[Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.1"] [White "Hernandez, Jeronimo"] [Black "Borre Meza, Orlando David"] [Result "1-0"] [ECO "A00"] [WhiteElo "2141"] [BlackElo "1498"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 O-O 6. a3 Bxc3+ 7. bxc3 a5 8. a4 d6 9. g3 Ne7 10. Bg2 Ng6 11. O-O c6 12. Qb3 Qc7 13. Be3 Bd7 14. Rab1 Rfb8 15. Bb6 Qc8 16. Kh1 Nh5 17. c5 Be6 18. Qd1 dxc5 19. Bxc5 Qd7 20. Ng5 Nf6 21. Nxe6 Qxe6 22. Qb3 Qd7 23. Rfd1 b6 24. Ba3 b5 25. d4 exd4 26. cxd4 b4 27. Bb2 Re8 28. f3 Rac8 29. Rbc1 Ra8 30. Rc5 Qa7 31. Rdc1 Ne7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.2"] [White "Pena De Lima, Carlos Andres"] [Black "Cordoba Roa, Angel Gabriel"] [Result "0-1"] [ECO "A48"] [WhiteElo "1455"] [BlackElo "2106"] [PlyCount "66"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. Bd3 Bg7 5. O-O O-O 6. b3 Nc6 7. Bb2 d6 8. a3 Qc7 9. c4 cxd4 10. exd4 Bg4 11. h3 Bxf3 12. Qxf3 Nd7 13. Be4 Nxd4 14. Bxd4 Bxd4 15. Ra2 Bg7 16. Nc3 Ne5 17. Qe3 Nc6 18. Re2 Qa5 19. Nb5 a6 20. b4 Qd8 21. Nc3 e6 22. Rd1 Qc7 23. f4 Ne7 24. Rc2 Rac8 25. Na4 Bh6 26. Qf2 Rcd8 27. g3 Nc8 28. g4 f5 29. gxf5 gxf5 30. Qh4 Bg7 31. Bd3 Ne7 32. c5 Ng6 33. Qf2 dxc5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.3"] [White "Ospina Castro, Santiago"] [Black "Rivera Fernandez, Fredy Alejandro"] [Result "0-1"] [ECO "A00"] [WhiteElo "2088"] [BlackElo "1391"] [PlyCount "82"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bc5 8. Be3 d6 9. Qd3 O-O 10. f4 Nbd7 11. Bf3 e5 12. fxe5 Nxe5 13. Qe2 b5 14. Nb3 Bxe3+ 15. Qxe3 Nc4 16. Qg5 Bb7 17. e5 h6 18. Qg3 Nh7 19. exd6 Qb6+ 20. Kh1 Bxf3 21. Rxf3 Ng5 22. Nd5 Qxd6 23. Qxd6 Nxd6 24. Rf2 Nde4 25. Re2 Rfd8 26. Nf4 Rd7 27. Kg1 Rad8 28. Nd3 f5 29. a4 bxa4 30. Rxa4 Rxd3 31. cxd3 Rxd3 32. h4 Rd1+ 33. Kh2 Ne6 34. Rxa6 Nf4 35. Rc2 Nf6 36. Nc5 Ng4+ 37. Kg3 Rf1 38. Ra1 Nh5+ 39. Kh3 Rxa1 40. g3 Rh1+ 41. Kg2 Rh2+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.4"] [White "Gamarra Pardo, Sebastian Andres"] [Black "Sanchez Arroyave, Juan Pablo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1369"] [BlackElo "2079"] [PlyCount "52"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 c5 6. Nge2 d5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bd3 Rd8 12. Bb2 Nc6 13. Qc2 b6 14. O-O Bb7 15. Rfd1 Rac8 16. Rac1 Qe7 17. Qb1 h6 18. h3 a6 19. Ng3 b5 20. Ne4 Nxe4 21. Bxe4 Ne5 22. Rxd8+ Rxd8 23. Bxb7 Qxb7 24. Rd1 Rd5 25. Kf1 Nc4 26. Rd4 Rxd4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.5"] [White "Londono Lopez, Donaldo"] [Black "Norena Marin, Jeronimo"] [Result "1-0"] [ECO "A00"] [WhiteElo "2070"] [BlackElo "1368"] [PlyCount "49"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. h4 Nbd7 6. h5 Nxh5 7. Rxh5 gxh5 8. Qxh5 Nf6 9. Qg5 Rg8 10. f3 c6 11. O-O-O a6 12. Bd3 h6 13. Qh4 b5 14. g4 Rh8 15. Nh3 Nd7 16. Qf2 a5 17. Nf4 Ba6 18. Nh5 Bf6 19. f4 b4 20. Bxa6 Rxa6 21. Ne2 a4 22. e5 Bxe5 23. fxe5 b3 24. cxb3 Kf8 25. Rf1 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.6"] [White "De La Hoz Paternina, Felix Daniel"] [Black "Gonzalez Mojica, Renan Arturo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1362"] [BlackElo "1981"] [PlyCount "76"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bd3 Bg7 5. Nf3 O-O 6. O-O Nc6 7. Re1 Bg4 8. Be3 Nd7 9. Be2 e5 10. dxe5 dxe5 11. Nd5 Ne7 12. Nd2 Bxe2 13. Qxe2 Nxd5 14. exd5 f5 15. f3 Nf6 16. c4 Nh5 17. Rad1 Re8 18. Qd3 Qf6 19. b4 Nf4 20. Bxf4 exf4 21. a3 Qb2 22. c5 Re3 23. Rxe3 fxe3 24. d6 cxd6 25. cxd6 Qd4 26. Qc4+ Kh8 27. Qxd4 Bxd4 28. Kf1 Re8 29. Ne4 fxe4 30. Rxd4 exf3 31. gxf3 Kg7 32. Ke2 Kf6 33. d7 Rd8 34. Kxe3 Ke6 35. Kf4 h6 36. a4 a6 37. h4 Rf8+ 38. Kg4 Rd8 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.7"] [White "Moreno Marino, Juan Nicolas"] [Black "Varela Sanchez, David Yoel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1928"] [BlackElo "1342"] [PlyCount "103"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. g3 c6 5. Bg2 Nf6 6. O-O Bd6 7. Nh4 Bg4 8. Nc3 Nbd7 9. Qb3 Qb6 10. c5 Qxb3 11. axb3 Bc7 12. b4 O-O 13. f3 Bh5 14. e4 a6 15. e5 Ne8 16. Bh3 Bd8 17. Ng2 Bg6 18. f4 Nc7 19. Re1 Re8 20. Bd2 Nb5 21. Nxb5 cxb5 22. f5 Bxf5 23. Bxf5 exf5 24. h4 Nb8 25. Ne3 g6 26. Nxd5 Nc6 27. Bc3 Rc8 28. Rad1 Be7 29. Nb6 Rcd8 30. d5 Nb8 31. d6 Bf8 32. Nd5 Bg7 33. Nc7 Re6 34. Nxe6 fxe6 35. d7 Bf8 36. g4 Be7 37. gxf5 gxf5 38. Kg2 Bxh4 39. Rg1 Be7 40. Kf3+ Kf7 41. Rh1 Rxd7 42. Rxh7+ Ke8 43. Rh8+ Bf8 44. Rd6 Kf7 45. Rxd7+ Nxd7 46. Kf4 Bg7 47. Ra8 Bh6+ 48. Kf3 Bg7 49. Ra7 Nxe5+ 50. Bxe5 Bxe5 51. Rxb7+ Kf6 52. c6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.8"] [White "Diaz Avila, Jarett Alexander"] [Black "Mesa Baez, Samuel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1298"] [BlackElo "1907"] [PlyCount "42"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Ng3 e4 8. Ng1 Bc5 9. N1e2 Qf6 10. Nh5 Qe5 11. Nhg3 Rf8 12. O-O Kg8 13. d3 Bg4 14. h3 Qxg3 15. hxg4 Bxf2+ 16. Rxf2 Qxf2+ 17. Kh2 Ne5 18. Ng3 Rf3 19. Nf1 Nxg4+ 20. Kh1 Qxf1+ 21. Qxf1 Rxf1# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.9"] [White "Vargas Viscaino, Jesus Daniel"] [Black "Conto Garcia, Nicolas Alberto"] [Result "1-0"] [ECO "A00"] [WhiteElo "1892"] [BlackElo "1281"] [PlyCount "75"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nge7 7. Bg5 f6 8. Bh4 Ng6 9. Bg3 d6 10. Bc4 Nge5 11. Be2 Be6 12. Nd5 Qd7 13. Qd2 Ne7 14. Nxb6 axb6 15. Nd4 Bf7 16. f4 N5g6 17. h3 Nf8 18. Bg4 Ne6 19. h4 Nc6 20. Nf5 h5 21. Nxg7+ Kf8 22. Nxe6+ Bxe6 23. Bf3 Bg4 24. Qc3 Kf7 25. O-O Rag8 26. e5 Rg6 27. Bd5+ Ke7 28. exf6+ Kd8 29. Rae1 Rf8 30. f7 Bf5 31. Qa3 Ne7 32. Qa8+ Nc8 33. Re3 c6 34. Rfe1 Rxg3 35. Re8+ Kc7 36. R1e7 cxd5 37. Rxd7+ Bxd7 38. Rxf8 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.10"] [White "Viasus, Juan Diego"] [Black "Loaiza Cuervo, Santiago"] [Result "0-1"] [ECO "A00"] [WhiteElo "1272"] [BlackElo "1880"] [PlyCount "58"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d5 5. e5 Ne4 6. Nxe4 dxe4 7. Qd2 c5 8. Bb5+ Bd7 9. Bxd7+ Nxd7 10. O-O-O O-O 11. Bh6 Bxh6 12. Qxh6 Qa5 13. Kb1 Rfd8 14. Ne2 Nb6 15. c3 Qb5 16. Ng3 cxd4 17. cxd4 Rac8 18. Rc1 Qd3+ 19. Ka1 Qxd4 20. h4 Na4 21. Rb1 Rc2 22. Qe3 Rxf2 23. Qxe4 Qxe4 24. Nxe4 Rxg2 25. b3 Rd4 26. bxa4 Rxe4 27. Rxb7 Rxa4 28. Rb2 Rxb2 29. Kxb2 Re4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.11"] [White "Cordoba Perez, Jeronimo"] [Black "Serrano Arrieta, Cristian"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1838"] [BlackElo "1234"] [PlyCount "87"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. d3 Be7 8. Be3 Bf5 9. a3 a5 10. O-O h6 11. Na4 Nxa4 12. Qxa4 O-O 13. Rac1 Re8 14. Qb5 Qc8 15. Rfd1 Bf8 16. Nd2 Nd4 17. Bxd4 exd4 18. Bxb7 Rb8 19. Bxc8 Rxb5 20. Bxf5 Rxf5 21. Re1 Rb5 22. Rc2 Reb8 23. Nc4 a4 24. e4 dxe3 25. fxe3 g6 26. d4 Bg7 27. Ree2 Re8 28. Kf2 f5 29. Nd2 c5 30. Rxc5 Rxc5 31. dxc5 Rc8 32. Nc4 Rxc5 33. Nb6 Ra5 34. Rd2 Ra6 35. Nd5 Kf7 36. Rc2 Be5 37. Ke2 Bd6 38. Rc4 Be5 39. Rb4 Rc6 40. Rb7+ Ke6 41. Nb4 Rd6 42. Nd3 Rc6 43. Kd2 Bd6 44. Ra7 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.12"] [White "Sepulveda Brango, Alberto Enrique"] [Black "Rico Duran, Juan Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1231"] [BlackElo "1828"] [PlyCount "104"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O cxd5 10. Bg5 c6 11. Qf3 h6 12. Bd2 Bd6 13. Bf5 Bxf5 14. Qxf5 Rb8 15. Rab1 Re8 16. Qd3 Ng4 17. h3 Ne5 18. Qd4 Nc4 19. b3 Be5 20. Qd3 Nxd2 21. Qxd2 Qa5 22. Ne4 Qxd2 23. Nxd2 Bc3 24. Nf3 Re2 25. Rfc1 g5 26. Kf1 Rbe8 27. b4 R2e4 28. a3 a6 29. Rb3 Rc4 30. Rd1 Bf6 31. Rd2 h5 32. g3 g4 33. hxg4 hxg4 34. Ne1 Bc3 35. Re2 Rxe2 36. Kxe2 Re4+ 37. Kd3 Bxe1 38. Rb2 Bxf2 39. c3 Bxg3 40. Rg2 Be5 41. a4 f5 42. a5 g3 43. Rg1 f4 44. c4 Rxc4 45. Ke2 Rc3 46. b5 cxb5 47. Rd1 f3+ 48. Kf1 Bd4 49. Ke1 g2 50. Kd2 f2 51. Ke2 g1=Q 52. Rxd4 Qe1# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.13"] [White "Ramirez Andrade, Leonardo Jesus"] [Black "Alzate Araujo, Miguel Angel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1795"] [BlackElo "1217"] [PlyCount "87"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 c6 6. Nc3 Ne7 7. Be3 Bf5 8. cxd5 cxd5 9. Qb3 Qd7 10. Be2 O-O 11. O-O Nbc6 12. Nb5 Bb8 13. Rac1 a6 14. Na3 Ba7 15. Bd3 Rfe8 16. Nb1 Rac8 17. Nbd2 Bxd3 18. Qxd3 Nf5 19. Rfe1 Nce7 20. Ne5 Qd6 21. Rxc8 Rxc8 22. Nb3 f6 23. Nf3 Bb8 24. Bd2 Nh4 25. g3 Nxf3+ 26. Qxf3 Ng6 27. Nc5 Rxc5 28. dxc5 Ne5 29. Qb3 Qc6 30. Bf4 Kf8 31. Bxe5 fxe5 32. Qf3+ Ke7 33. Qh5 h6 34. Rxe5+ Bxe5 35. Qxe5+ Kf7 36. b4 Qe6 37. Qd4 Qe1+ 38. Kg2 Qe4+ 39. Qxe4 dxe4 40. f3 e3 41. f4 Ke6 42. Kf3 e2 43. Kxe2 Kd5 44. Kd3 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.14"] [White "Zapata Polo, Orlando Jose"] [Black "Rodriguez Valencia, Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1195"] [BlackElo "1786"] [PlyCount "48"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Nf3 Nc6 8. O-O O-O 9. Bf4 Qa5 10. h3 Rd8 11. Qe2 e6 12. Bxd6 Rxd6 13. e5 Nxe5 14. Qxe5 Qxe5 15. Nxe5 Nd5 16. Bxd5 exd5 17. Nd3 Bxc3 18. bxc3 Rc6 19. Nb4 Rxc3 20. Nxd5 Rxc2 21. Rfb1 Be6 22. Nb4 Rd2 23. a3 a5 24. Nd3 Rxd3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.15"] [White "Carvajal Barreto, Johan Sebastian"] [Black "Merino Vanegas, Santiago Andres"] [Result "1-0"] [ECO "A00"] [WhiteElo "1771"] [BlackElo "1136"] [PlyCount "93"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 c6 4. f3 dxc4 5. a4 Bb4 6. e4 b5 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 bxc4 12. d5 f6 13. Qa4+ Qd7 14. dxe6 Qxa4 15. Rxa4 Nc6 16. Bxc4 Nge7 17. Ne2 O-O 18. O-O Rfc8 19. Rfa1 Ba6 20. Nf4 Kf8 21. Nd5 Ra7 22. Nb6 Rcc7 23. Nd7+ Ke8 24. Bd5 Bc8 25. Nb6 Ra6 26. Nc4 Kd8 27. Nxa5 Nxd5 28. exd5 Ne5 29. Bxe5 fxe5 30. d6 Rxd6 31. Re4 Rxe6 32. Rae1 Rc5 33. Nb3 Rb5 34. Nd2 Ke7 35. Nc4 Kf6 36. Ne3 Bb7 37. Rc4 Bd5 38. Rc7 Bc6 39. Ng4+ Kf5 40. Rxg7 Rb7 41. Rg8 Rf7 42. h4 e4 43. fxe4+ Rxe4 44. Nh6+ Kf6 45. Rxe4 Bxe4 46. Nxf7 Kxf7 47. Rg5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.16"] [White "Balza Gil, Salvatore"] [Black "Caballero Marrugo, David Jose"] [Result "0-1"] [ECO "A00"] [WhiteElo "1033"] [BlackElo "1759"] [PlyCount "54"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Nc3 a6 6. h3 b5 7. b4 Nc6 8. a3 Bb7 9. Rb1 Nb8 10. Rb2 Nbd7 11. Ne2 Nd5 12. Bh2 O-O 13. c3 N7b6 14. Nd2 Rc8 15. Rc2 c5 16. Nb3 cxd4 17. exd4 Nc4 18. Bf4 Nxa3 19. Ra2 Nc4 20. Bc1 Re8 21. h4 e5 22. Rc2 exd4 23. cxd4 Nxb4 24. Rc3 Na5 25. Rxc8 Bxc8 26. Nxa5 Qxa5 27. Bd2 Nd3# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.17"] [White "Olivella Fonseca, Fabio Junior"] [Black "Sanchez Cabarcas, Samuel Alejandro"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1753"] [BlackElo "1652"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 e5 8. d5 Ne7 9. Qd2 Bd7 10. g4 c6 11. Ng3 cxd5 12. cxd5 a6 13. g5 Ne8 14. h4 b5 15. h5 f5 16. gxf6 Nxf6 17. Bh6 Rf7 18. Bxg7 Rxg7 19. O-O-O Rc8 20. Kb1 b4 21. Nce2 Qb6 22. Rc1 b3 23. Rxc8+ Nxc8 24. Bh3 Bxh3 25. Rxh3 Nxh5 26. Nxh5 gxh5 27. Rxh5 Ne7 28. Rh2 Ng6 29. Rg2 Nf4 30. Rxg7+ Kxg7 31. Nc1 bxa2+ 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.18"] [White "Rueda Ahumada, Gabriel Omar"] [Black "Diaz Larrea, Juan Manuel"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1482"] [BlackElo "1748"] [PlyCount "114"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3 O-O 9. h3 Be6 10. Bc2 d5 11. exd5 Qxd5 12. Bb3 Qd6 13. Bxe6 fxe6 14. Qb3 Nd5 15. d4 Rxf3 16. gxf3 exd4 17. Nd2 Na5 18. Qc2 Nf4 19. Ne4 Qe5 20. cxd4 Nxh3+ 21. Kg2 Nf4+ 22. Bxf4 Qxf4 23. Rac1 Rf8 24. Qe2 Bb4 25. Rh1 Nc4 26. b3 Nb6 27. Ng3 Rf6 28. Qe4 Nd5 29. Qxh7+ Kf8 30. Qh8+ Kf7 31. Qh5+ Ke7 32. Rcd1 Bd6 33. Rde1 Kd7 34. Qg4 Qxg4 35. fxg4 Nf4+ 36. Kf1 Nd3 37. Re2 Nxf2 38. Rxf2 Bxg3 39. Rxf6 gxf6 40. Kg2 Bf4 41. Kf3 Bg5 42. Ke4 Kd6 43. Rh8 Kc6 44. Ra8 Kb7 45. Re8 f5+ 46. gxf5 exf5+ 47. Kxf5 Bc1 48. Ke6 Ba3 49. d5 Bd6 50. Kd7 b4 51. Re6 Bf4 52. Rc6 Be5 53. Rc5 Bd6 54. Rc4 a5 55. Rc6 Be5 56. Rc5 Kb6 57. Rc6+ Kb7 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.19"] [White "Padilla, Daniel Eduardo"] [Black "Payares Diaz, Alejandro"] [Result "1-0"] [ECO "D31"] [WhiteElo "1708"] [BlackElo "1427"] [PlyCount "44"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bf4 Bb4 6. a3 Ba5 7. b4 Bb6 8. e3 O-O 9. Nf3 Ne4 10. Nxe4 dxe4 11. Nd2 Bf5 12. Rc1 a5 13. b5 Nd7 14. a4 Rc8 15. Nc4 c6 16. Nd6 Qf6 17. Nxc8 Rxc8 18. Be2 c5 19. dxc5 Bxc5 20. O-O Qg6 21. Bg3 Nf6 22. Rxc5 Re8 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.21"] [White "Carvajal Barreto, Misael Camilo"] [Black "Mercado Florez, Diego Armando"] [Result "1-0"] [ECO "D12"] [WhiteElo "1685"] [BlackElo "1263"] [PlyCount "47"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 Bf5 5. Nf3 e6 6. Qb3 Qc7 7. cxd5 exd5 8. Bd2 Bd6 9. g3 Nbd7 10. Rc1 Be4 11. Bg2 Bd3 12. Nxd5 Nxd5 13. Qxd3 O-O-O 14. Ng5 N7b6 15. e4 Nb4 16. Qb3 Qe7 17. Nxf7 Nd3+ 18. Qxd3 Qxf7 19. e5 Bxe5 20. Be3 Rhe8 21. O-O Qxa2 22. Qf5+ Qe6 23. Qxe6+ Rxe6 24. Bh3 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.22"] [White "De La Ossa, Madera Ethan"] [Black "Brito Carrascal, Camilo Andres"] [Result "0-1"] [ECO "B20"] [WhiteElo "1473"] [BlackElo "1678"] [PlyCount "130"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nc3 e6 3. Bc4 a6 4. a4 Nc6 5. d3 Nf6 6. Bg5 Be7 7. Nf3 Qc7 8. h3 b6 9. O-O Bb7 10. Qd2 d6 11. Rfe1 O-O 12. Qf4 Nd4 13. Nxd4 cxd4 14. Ne2 h6 15. Bxf6 Bxf6 16. Ng3 Qc5 17. Qd2 Qg5 18. Qxg5 hxg5 19. Bb3 Rfc8 20. Re2 Rc7 21. f3 g6 22. Kf2 Rac8 23. Rc1 b5 24. axb5 axb5 25. Nf1 Ra8 26. g3 Bc8 27. Nh2 e5 28. Ng4 Bg7 29. Rf1 Be6 30. Bxe6 fxe6 31. b3 Rc3 32. Rd1 Kf7 33. Rdd2 Ra2 34. Kg2 Bf8 35. Kf2 Be7 36. Kg2 Bd8 37. Kf2 Ba5 38. Kf1 Ra1+ 39. Kg2 Rc1 40. Rf2 Ke7 41. Rde2 Rc7 42. Kh2 Be1 43. Rg2 Ra7 44. Rg1 Raa1 45. Kg2 Bc3 46. Rxc1 Rxc1 47. Kf2 Ba5 48. Kg2 Bd8 49. Rf2 Kd7 50. f4 gxf4 51. gxf4 exf4 52. e5 g5 53. exd6 Kxd6 54. Kf3 Rg1 55. Rg2 Re1 56. Re2 Rg1 57. Rg2 Rxg2 58. Kxg2 Kc5 59. Nf2 Kb4 60. Nd1 Ka3 61. Kf3 Ka2 62. Ke2 Kb1 63. c4 Kc2 64. cxb5 f3+ 65. Kxf3 Kxd1 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.23"] [White "Echeverry Betancur, Jorge Andres"] [Black "Gonzalez Rodriguez, Jose David"] [Result "1-0"] [ECO "A00"] [WhiteElo "1648"] [PlyCount "101"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be6 9. Bg5 Be7 10. Be2 Nd4 11. O-O O-O 12. h3 Rc8 13. Be3 Nxe2+ 14. Qxe2 Qc7 15. Rfd1 Qc6 16. f3 Rfd8 17. a5 d5 18. exd5 Nxd5 19. Nxd5 Bxd5 20. c3 Bb3 21. Nc2 e4 22. Rxd8+ Rxd8 23. Nd4 Qc4 24. Qxc4 Bxc4 25. fxe4 Bd3 26. e5 Rd5 27. Nf3 Be4 28. Bd4 Bxf3 29. gxf3 Bc5 30. Rd1 h6 31. b4 Bxd4+ 32. cxd4 Kf8 33. Kf2 Ke7 34. Ke3 Rb5 35. Rb1 Ke6 36. Ke4 b6 37. axb6 Rxb6 38. d5+ Kd7 39. Kd4 Rb5 40. Kc4 Rb7 41. Ra1 Rb6 42. Rg1 g6 43. Ra1 h5 44. Ra5 Ke7 45. Kc5 Rb5+ 46. Rxb5 axb5 47. Kc6 Kd8 48. Kxb5 Kd7 49. Kc5 g5 50. b5 g4 51. fxg4 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.24"] [White "Marquez Leon, Jaime Jatnyel"] [Black "Puerta Rendon, Jacobo"] [Result "0-1"] [ECO "A00"] [BlackElo "1636"] [PlyCount "58"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. c4 Nf6 3. d3 Nc6 4. Ne2 Bc5 5. Bg5 Bxf2+ 6. Kxf2 Ng4+ 7. Ke1 Qxg5 8. Qd2 Qxd2+ 9. Nxd2 Nb4 10. Ng3 Nc2+ 11. Ke2 Nxa1 12. h3 Nc2 13. hxg4 d6 14. Rh4 g5 15. Rh6 Bxg4+ 16. Kf2 Kf8 17. Nb1 Kg7 18. Rh2 Nd4 19. Nc3 c6 20. b4 h5 21. Kg1 h4 22. Nh1 Be6 23. Nf2 a5 24. b5 cxb5 25. cxb5 Rac8 26. Nd5 Rc1 27. Ne3 Ne2+ 28. Kh1 Ng3+ 29. Kg1 Re1 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.25"] [White "Orostegui Cardona, David Eduardo"] [Black "Ramirez Girado, Joshua Daid"] [Result "1-0"] [ECO "A00"] [WhiteElo "1633"] [PlyCount "51"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. Bb3 b6 7. Bg5 h6 8. Bh4 Bb7 9. Nbd2 Re8 10. Qe2 Be7 11. Nc4 d5 12. Bxf6 Bxf6 13. Ne3 d4 14. Nf5 Na5 15. Ba4 c6 16. b4 b5 17. Bc2 dxc3 18. bxa5 a6 19. O-O Qxa5 20. N3h4 Bxh4 21. Nxh4 Rad8 22. f4 exf4 23. Rxf4 g5 24. Nf5 gxf4 25. Qg4+ Kh8 26. Qg7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.26"] [White "Rivera Crespo, Victor"] [Black "Salcedo Rodelo, Brayan"] [Result "0-1"] [ECO "A00"] [BlackElo "1619"] [PlyCount "82"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Bg5 h6 8. Bd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bxb4 Qe4+ 12. Be2 Nxb4 13. O-O O-O 14. c3 Nc6 15. Re1 Bg4 16. Nd2 Bxe2 17. Nxe4 Bxd1 18. Raxd1 Rad8 19. h3 b6 20. f3 f5 21. Nf2 Kf7 22. Kf1 Kf6 23. Rxd8 Rxd8 24. Rd1 Rxd1+ 25. Nxd1 Ke6 26. Ke2 g5 27. Ne3 h5 28. g4 hxg4 29. hxg4 Ne7 30. b4 b5 31. Kd3 fxg4 32. Nxg4 Kf5 33. Ne3+ Kf4 34. Ke2 e4 35. fxe4 Kxe4 36. Kd2 Nf5 37. Ng4 Nd6 38. Ke2 Kf4 39. Nf2 Ne4 40. Nh3+ Kg4 41. Nxg5 Nxg5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.06"] [Round "1.27"] [White "Ortiz Monsalve, Sebastian"] [Black "Sepulveda Navarro, Danilson David"] [Result "1-0"] [ECO "A00"] [WhiteElo "1563"] [PlyCount "37"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 Nc6 2. d4 d5 3. e5 f6 4. f4 fxe5 5. fxe5 Bf5 6. Nf3 e6 7. c4 dxc4 8. Bxc4 Bg4 9. Be3 Bb4+ 10. Nc3 Bxf3 11. Qxf3 Qh4+ 12. Bf2 Bxc3+ 13. bxc3 Qe7 14. Rb1 Na5 15. Bd3 Qa3 16. O-O Qxc3 17. Bb5+ Qc6 18. Bxc6+ Nxc6 19. Rxb7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.1"] [White "Caballero Marrugo, David Jose"] [Black "Hernandez, Jeronimo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1759"] [BlackElo "2141"] [PlyCount "76"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. Nc3 Be7 5. b3 O-O 6. Bb2 c5 7. cxd5 exd5 8. d4 Be6 9. Rc1 Nbd7 10. Bd3 c4 11. bxc4 dxc4 12. Bb1 Bg4 13. Qc2 Bh5 14. Nh4 Bg6 15. Nxg6 hxg6 16. h4 Qa5 17. Kf1 Rfe8 18. h5 gxh5 19. e4 Ba3 20. Bxa3 Qxa3 21. e5 Nxe5 22. dxe5 Rxe5 23. Ne2 b5 24. Nf4 Rae8 25. Rh3 Qe7 26. g3 g6 27. Qc3 Ng4 28. Kg2 Qb7+ 29. Qf3 Qxf3+ 30. Kxf3 Rd8 31. Rc2 Rd1 32. Rb2 c3 33. Rb4 Ree1 34. Be4 Ne5+ 35. Kg2 c2 36. Ne2 c1=Q 37. Nxc1 Rg1+ 38. Kh2 Ng4# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.2"] [White "Cordoba Roa, Angel Gabriel"] [Black "Carvajal Barreto, Johan Sebastian"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "2106"] [BlackElo "1771"] [PlyCount "92"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 h6 6. Qe2 c6 7. a4 a5 8. h3 Qc7 9. O-O Be7 10. Be3 g5 11. Kh1 Nf8 12. Rad1 Ng6 13. dxe5 dxe5 14. Bb3 O-O 15. Nd2 Nd7 16. Bc4 Nc5 17. Nb3 Ne6 18. g3 Kg7 19. Kg2 b6 20. Rd3 h5 21. Rdd1 Rh8 22. Kh1 g4 23. Kg2 Ng5 24. Bxg5 gxh3+ 25. Kh2 Bxg5 26. Qd3 Bg4 27. f3 Rad8 28. Qe2 Bc8 29. Rxd8 Rxd8 30. Rd1 h4 31. g4 Bf4+ 32. Kh1 Bg3 33. Rxd8 Qxd8 34. Qf1 Nf4 35. Nd1 Ng2 36. Bd3 Be6 37. Nc1 Qd4 38. b3 Ne3 39. Qg1 Nxd1 40. Qxd1 Qf2 41. Qe2 Qc5 42. Qf1 h2 43. c4 Qe3 44. Na2 Qd2 45. Qe2 Qf4 46. Qf1 Qd2 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.3"] [White "Sanchez Arroyave, Juan Pablo"] [Black "Padilla, Daniel Eduardo"] [Result "1-0"] [ECO "A00"] [WhiteElo "2079"] [BlackElo "1708"] [PlyCount "91"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 c6 5. Qc2 Nbd7 6. Bg2 dxc4 7. Qxc4 Nb6 8. Qc2 Be7 9. O-O Bd7 10. Ne5 Rc8 11. Nc3 O-O 12. Rd1 Be8 13. e4 Nfd7 14. Nd3 f6 15. Nf4 Bf7 16. Bh3 e5 17. Ne6 Bxe6 18. Bxe6+ Kh8 19. Be3 exd4 20. Bxd4 c5 21. Be3 Rc6 22. Bf5 g6 23. Bh3 Bd6 24. Nb5 Bb8 25. a4 a6 26. Na3 Bd6 27. a5 Nc8 28. Nc4 Qe7 29. Bxd7 Qxd7 30. e5 fxe5 31. Nxe5 Qe8 32. Nxc6 Qxc6 33. Qc3+ Kg8 34. Qc4+ Kg7 35. Rac1 Ne7 36. Bd4+ Kh6 37. Bxc5 Bxc5 38. Qxc5 Qf3 39. Rd7 Rf5 40. Qd4 Nc6 41. Qd2+ g5 42. Rd6+ Kh5 43. h3 Ne5 44. Rc3 Qe4 45. g4+ Kh4 46. Rh6# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.4"] [White "Brito Carrascal, Camilo Andres"] [Black "Londono Lopez, Donaldo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1678"] [BlackElo "2070"] [PlyCount "100"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. Bxf6 gxf6 9. exd5 Qxd5 10. Qxd5 Bxd5 11. Nc3 Be6 12. O-O-O Nc6 13. Bb5 Rc8 14. Ne4 Ke7 15. Nec5 Nd4 16. Nxd4 Rxc5 17. Nxe6 Bh6+ 18. Kb1 Rxb5 19. Nc7 Rc5 20. Nd5+ Ke6 21. Nb4 Rhc8 22. c3 Rb5 23. Rhe1 f5 24. a4 Ra5 25. Nd3 Rd5 26. b4 Rxc3 27. Nc5+ Rdxc5 28. bxc5 Rxc5 29. Rd3 Rc4 30. Rb3 b6 31. Rb5 f6 32. a5 Rc6 33. Re2 Bf8 34. Rc2 Bc5 35. axb6 axb6 36. Ka2 e4 37. f4 Rd6 38. Rb1 Rd3 39. Re1 Kd5 40. Ree2 e3 41. Kb1 Ke4 42. Rc4+ Bd4 43. Kc2 Ra3 44. Kd1 b5 45. Rc1 b4 46. Rb1 Kd3 47. Rc2 Bc3 48. h3 b3 49. Rxc3+ Kxc3 50. g4 b2 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.5"] [White "Puerta Rendon, Jacobo"] [Black "Moreno Marino, Juan Nicolas"] [Result "1-0"] [ECO "B43"] [WhiteElo "1636"] [BlackElo "1928"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be2 Qc7 8. Be3 Nf6 9. Bd3 Nc6 10. O-O Ne5 11. Bf4 Bc5 12. Nf3 d6 13. Nxe5 dxe5 14. Bg3 Bd4 15. Qd2 Rc8 16. Ne2 Bxb2 17. Ra2 Bc3 18. Nxc3 Qxc3 19. Qxc3 Rxc3 20. Bxe5 Rc8 21. f3 O-O 22. a4 bxa4 23. Rxa4 Rc6 24. Rb1 Nd7 25. Rxb7 Nxe5 26. Rxa6 Rc3 27. Rd6 g5 28. Rb5 f6 29. Rxe6 Nxd3 30. cxd3 Rxd3 31. Rf5 Kg7 32. e5 Rd1+ 33. Kf2 Rd2+ 34. Kg3 Re2 35. exf6+ Kg6 36. Rxg5+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.6"] [White "Mesa Baez, Samuel"] [Black "Carvajal Barreto, Misael Camilo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1907"] [BlackElo "1685"] [PlyCount "153"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 Be7 8. Be3 b6 9. Qd2 Ba6 10. Ng3 Bxf1 11. Kxf1 Qc7 12. Ke2 Qb7 13. Rhc1 Qa6+ 14. Qd3 Qxd3+ 15. Kxd3 O-O 16. Nd2 f6 17. f4 c4+ 18. Ke2 b5 19. b3 Rfb8 20. bxc4 bxc4 21. exf6 Bxf6 22. Rcb1 Rxb1 23. Rxb1 Nb6 24. Nf3 g6 25. Bc1 Be7 26. Nf1 Bd6 27. Ne5 Nxe5 28. fxe5 Be7 29. Ne3 Rf8 30. Ng4 h5 31. Nf2 Kg7 32. Bd2 g5 33. Nh3 Kg6 34. g3 Rb8 35. Rb5 Kf5 36. Nf2 Bd8 37. Ra5 Rb7 38. h3 Nc8 39. g4+ Kg6 40. Ra6 Rb6 41. Rxb6 Nxb6 42. Nd1 Na4 43. Bc1 hxg4 44. hxg4 a6 45. Ba3 Kf7 46. Kd2 Ke8 47. Kc2 Be7 48. Bxe7 Kxe7 49. Ne3 Nb6 50. Nf1 a5 51. Ng3 Na8 52. Nh5 Kf7 53. Nf6 Nb6 54. Kd2 a4 55. Kc1 a3 56. Kc2 Nc8 57. Nd7 Ne7 58. Kd2 Nc8 59. Nb8 Na7 60. Na6 Ke7 61. Nb4 Kd7 62. Nc2 Nb5 63. Ne1 Ke7 64. Nf3 Nc7 65. Nxg5 Kf8 66. Nh3 Kg7 67. Nf4 Kh6 68. Ke3 Kg5 69. Kf3 Kh4 70. Ng6+ Kg5 71. Nf4 Kh4 72. Ng2+ Kg5 73. Ne3 Nb5 74. Nd1 Nc7 75. Nf2 Nb5 76. Nd1 Nc7 77. Nf2 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.7"] [White "Salcedo Rodelo, Brayan"] [Black "Vargas Viscaino, Jesus Daniel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1619"] [BlackElo "1892"] [PlyCount "94"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. c4 O-O 6. d4 c5 7. Nbd2 b6 8. Qc2 Nc6 9. a3 Bb7 10. dxc5 bxc5 11. cxd5 exd5 12. Bd3 h6 13. O-O Re8 14. Rac1 Bf8 15. Rfd1 Qe7 16. Bf5 Rad8 17. Re1 Ne4 18. Nxe4 dxe4 19. Nd2 Ne5 20. Nxe4 g6 21. Bh3 Bxe4 22. Qxe4 Nd3 23. Qxe7 Bxe7 24. Bc3 Nxe1 25. Bxe1 Rd3 26. b4 cxb4 27. axb4 Rb8 28. g3 Bxb4 29. Bxb4 Rxb4 30. Ra1 Rb7 31. Bg2 Rbd7 32. Bf3 Rd2 33. Kg2 Rb2 34. Bc6 Rd6 35. Ba8 Rdd2 36. Kg1 Rxf2 37. h4 Rfe2 38. e4 Re3 39. Bd5 Rxg3+ 40. Kh1 Rh3+ 41. Kg1 Rxh4 42. Rxa7 Rf4 43. Rc7 Re2 44. Re7 h5 45. Re5 h4 46. Rg5 h3 47. Rxg6+ Kh7 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.8"] [White "Loaiza Cuervo, Santiago"] [Black "Echeverry Betancur, Jorge Andres"] [Result "1-0"] [ECO "A00"] [WhiteElo "1880"] [BlackElo "1648"] [PlyCount "47"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O Bd7 10. g4 Rc8 11. Be2 Ne5 12. h4 Nc4 13. Bxc4 Rxc4 14. Kb1 Qb8 15. h5 b5 16. hxg6 fxg6 17. Qh2 Rf7 18. Nd5 Bh8 19. Nf5 gxf5 20. gxf5 Nxd5 21. Rdg1+ Kf8 22. Bh6+ Bg7 23. Bxg7+ Ke8 24. Qxh7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.9"] [White "Rico Duran, Juan Sebastian"] [Black "Orostegui Cardona, David Eduardo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1828"] [BlackElo "1633"] [PlyCount "94"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 c6 5. e3 h6 6. Bh4 Be7 7. Nf3 Nbd7 8. Bd3 O-O 9. cxd5 exd5 10. Qc2 Re8 11. O-O Ne4 12. Bxe7 Qxe7 13. b4 b5 14. a4 bxa4 15. Bxe4 dxe4 16. Nd2 Ba6 17. Rfc1 Bd3 18. Qxa4 Nb6 19. Qa5 Reb8 20. Qc5 Qe6 21. Qe5 Qxe5 22. dxe5 Nd7 23. Ra4 c5 24. bxc5 Nxc5 25. Ra5 Nb3 26. Nxb3 Rxb3 27. Nd5 a6 28. Rca1 Rab8 29. h4 Rb1+ 30. Kh2 Rxa1 31. Rxa1 Rb5 32. Nc7 Rxe5 33. Nxa6 Rh5 34. Kg3 g5 35. hxg5 Rxg5+ 36. Kh2 Rb5 37. Ra4 Rh5+ 38. Kg3 Rg5+ 39. Kh2 Rh5+ 40. Kg1 Bxa6 41. Rxa6 Kg7 42. g3 Re5 43. Kg2 Rc5 44. Ra4 f5 45. Ra6 Rb5 46. Re6 Rc5 47. Rd6 Rb5 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.10"] [White "Rivera Fernandez, Fredy Alejandro"] [Black "Ramirez Andrade, Leonardo Jesus"] [Result "0-1"] [ECO "A00"] [WhiteElo "1391"] [BlackElo "1795"] [PlyCount "56"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. b3 d5 2. Bb2 c5 3. e3 Nc6 4. Nf3 Nf6 5. d4 Bf5 6. Bb5 e6 7. Ne5 Rc8 8. c4 Bxb1 9. Rxb1 cxd4 10. Bxd4 Bb4+ 11. Kf1 O-O 12. Bxc6 bxc6 13. Nd3 Be7 14. c5 Nd7 15. f4 f6 16. b4 a5 17. b5 cxb5 18. Rxb5 e5 19. Bc3 Nxc5 20. Nxc5 Rxc5 21. Bxa5 Qc8 22. Rxc5 Qxc5 23. Qd2 Rc8 24. Ke2 exf4 25. exf4 Ra8 26. Bb6 Qc4+ 27. Kf3 Rxa2 28. Qe3 Ra3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.11"] [White "Rodriguez Valencia, Sebastian"] [Black "Castro Herrera, Juan Sebastian"] [Result "1-0"] [ECO "A00"] [WhiteElo "1786"] [BlackElo "1375"] [PlyCount "31"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Bb4 6. Qc2 Bxc3+ 7. Qxc3 Ne4 8. Qa3 Nf6 9. Bd2 b6 10. Ne5 Bd7 11. Bd3 dxc4 12. Nxc4 Qe7 13. Bb4 Qd8 14. Nd6+ Ke7 15. Nf5+ Ke8 16. Nxg7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.12"] [White "Gonzalez Mojica, Renan Arturo"] [Black "Ortiz Monsalve, Sebastian"] [Result "1/2-1/2"] [ECO "C12"] [WhiteElo "1981"] [BlackElo "1563"] [PlyCount "38"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Bg5 e6 3. e4 d5 4. Nc3 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. Qd2 Qf6 9. O-O-O Bd7 10. h4 gxh4 11. Nf3 Nc6 12. Kb1 O-O-O 13. Bb5 Rxg7 14. Bxc6 Bxc6 15. Nxh4 e5 16. dxe5 Qxe5 17. Nf3 Bxc3 18. Nxe5 Bxd2 19. Rxd2 Rxg2 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.13"] [White "Sanchez Cabarcas, Samuel Alejandro"] [Black "Cordoba Perez, Jeronimo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1652"] [BlackElo "1838"] [PlyCount "80"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Qd3 Nxe4 7. Qxe4 Bd7 8. Nf3 Bc6 9. Qd3 Nd7 10. Bg5 Be7 11. Bxe7 Qxe7 12. O-O-O O-O-O 13. Qe3 Rhe8 14. Rhe1 Nb6 15. Ne5 Bd5 16. Nxd5 Rxd5 17. c4 Ra5 18. Qc3 Ra4 19. Kb1 f6 20. b3 Qa3 21. Qb2 Qxb2+ 22. Kxb2 Ra5 23. Nd3 Rh5 24. h3 e5 25. dxe5 fxe5 26. f4 Nd7 27. g4 Rxh3 28. Nxe5 Nxe5 29. fxe5 Rh4 30. Re4 h5 31. Rg1 Re6 32. Kc3 c5 33. Rg3 Rg6 34. e6 Rgxg4 35. Rexg4 Rxg4 36. Re3 Kd8 37. e7+ Ke8 38. Kd3 Rd4+ 39. Ke2 Rd7 40. Kf3 Rxe7 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.14"] [White "Serrano Arrieta, Cristian"] [Black "Olivella Fonseca, Fabio Junior"] [Result "0-1"] [ECO "A00"] [WhiteElo "1234"] [BlackElo "1753"] [PlyCount "126"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Be6 6. Nge2 Nc6 7. h3 Bc5 8. O-O Qd7 9. Kh2 O-O 10. d3 h6 11. Na4 Be7 12. Nac3 Rad8 13. f4 exf4 14. Nxf4 Nxf4 15. Bxf4 Nd4 16. Ne2 c5 17. Nxd4 Qxd4 18. Qe2 Rfe8 19. Be5 Qd7 20. b3 Bd5 21. Qf2 Bf8 22. Bb2 Bxg2 23. Qxg2 Re3 24. Rae1 Rde8 25. Rxe3 Rxe3 26. Bc1 Re6 27. Bb2 Bd6 28. Bc1 h5 29. h4 Qe7 30. Bg5 f6 31. Bf4 Bxf4 32. Rxf4 Re2 33. Rf2 Re5 34. Qf3 b6 35. a4 Qd7 36. Re2 Rxe2+ 37. Qxe2 g6 38. Qe4 Kg7 39. c3 Kf7 40. Kg2 Qe6 41. Qb7+ Qe7 42. Qd5+ Kg7 43. Kf2 Qf7 44. Qxf7+ Kxf7 45. Kf3 Ke7 46. Ke4 Ke6 47. b4 cxb4 48. cxb4 a6 49. a5 b5 50. Kd4 g5 51. Kc5 gxh4 52. gxh4 f5 53. d4 f4 54. d5+ Kd7 55. Kb6 f3 56. Kxa6 f2 57. Kb7 f1=Q 58. a6 Qf3 59. a7 Qxd5+ 60. Kb8 Qg8+ 61. Kb7 Qc8+ 62. Kb6 Qc6+ 63. Ka5 Qb7 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.15"] [White "Diaz Larrea, Juan Manuel"] [Black "De La Hoz Paternina, Felix Daniel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1748"] [BlackElo "1362"] [PlyCount "47"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e6 7. Nf3 h6 8. O-O Bd6 9. Re1 O-O 10. Ne5 Rb8 11. Nd2 Qc7 12. Ndf3 b5 13. Nxc6 Qxc6 14. Ne5 Qc7 15. Qf3 Nd7 16. Qh5 Nf6 17. Qh4 Ne4 18. Bxe4 dxe4 19. Rxe4 Bxe5 20. Rxe5 b4 21. Rc5 Qd8 22. Qg3 Bb7 23. Bxh6 Qf6 24. Bxg7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.16"] [White "Ramirez Oviedo, Christian Camilo"] [Black "Rueda Ahumada, Gabriel Omar"] [Result "0-1"] [ECO "A00"] [WhiteElo "1689"] [BlackElo "1482"] [PlyCount "72"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5 11. f3 f4 12. c5 g5 13. Bd2 Nf6 14. Rc1 Rf7 15. cxd6 cxd6 16. Nb5 Ng6 17. Bb4 Qb6+ 18. Kh1 Qxb5 19. Nxe5 Qxb4 20. Nxf7 Kxf7 21. Rc7+ Bd7 22. Qb3 Qxb3 23. axb3 Rb8 24. b4 Ke7 25. b5 Ne8 26. Rc2 Bd4 27. b4 Bb6 28. g3 Nc7 29. Kg2 Nxb5 30. h4 Nd4 31. Rb2 fxg3 32. Kxg3 gxh4+ 33. Kh2 Nf4 34. Bd1 Rg8 35. Rg1 Nxf3+ 36. Bxf3 Rxg1 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.17"] [White "Merino Vanegas, Santiago Andres"] [Black "Ospina Castro, Santiago"] [Result "0-1"] [ECO "B67"] [WhiteElo "1136"] [BlackElo "2088"] [PlyCount "48"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Be7 10. h4 h6 11. Bxf6 Bxf6 12. Nxc6 Bxc6 13. Qxd6 Qa5 14. Bc4 Rd8 15. Qg3 Bxc3 16. bxc3 Qxc3 17. Rxd8+ Kxd8 18. Rd1+ Kc8 19. Bd3 Rd8 20. Kb1 Ba4 21. Qf2 Rd4 22. a3 Bb5 23. Ka2 Ra4 24. Kb1 Rxa3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.18"] [White "Borre Meza, Orlando David"] [Black "Zapata Polo, Orlando Jose"] [Result "1-0"] [ECO "D43"] [WhiteElo "1498"] [BlackElo "1195"] [PlyCount "39"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 g5 7. Bg3 dxc4 8. Bxb8 Rxb8 9. Ne5 Bb4 10. e3 Qc7 11. Bxc4 b5 12. Bd3 c5 13. O-O cxd4 14. exd4 Bxc3 15. bxc3 Qxc3 16. Qf3 Nd7 17. Qxf7+ Kd8 18. Rac1 Rf8 19. Qg7 Bb7 20. Qxd7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.19"] [White "Payares Diaz, Alejandro"] [Black "Pena De Lima, Carlos Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1427"] [BlackElo "1455"] [PlyCount "142"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. f4 Nc6 3. Nf3 exf4 4. d4 d5 5. e5 Bg4 6. Bxf4 Bxf3 7. gxf3 Qh4+ 8. Bg3 Qxd4 9. Qxd4 Nxd4 10. Kd1 Nxf3 11. Bg2 Ng5 12. Re1 O-O-O 13. Nd2 Ne6 14. c3 Bc5 15. Bh3 Kb8 16. b4 Be7 17. Bxe6 fxe6 18. Kc2 Nh6 19. Rab1 Nf5 20. Bf2 Rhf8 21. Rf1 Bh4 22. Nf3 Bxf2 23. Rxf2 h6 24. Kd2 b6 25. a4 Kc8 26. Rbf1 c5 27. b5 g5 28. Ke2 Kd7 29. a5 Ra8 30. a6 Ke7 31. Rg1 Rg8 32. h3 Rad8 33. Ne1 d4 34. c4 Ne3 35. Rf6 Rh8 36. Ng2 Nxc4 37. h4 Nxe5 38. hxg5 hxg5 39. Rgf1 Rhf8 40. Rxf8 Rxf8 41. Rh1 Ng4 42. Rh7+ Rf7 43. Rh8 Rf2+ 44. Ke1 Rxg2 45. Rh7+ Kf6 46. Rxa7 Rb2 47. Ra8 Rxb5 48. a7 Ra5 49. Rf8+ Ke5 50. a8=Q Rxa8 51. Rxa8 c4 52. Rb8 Ke4 53. Rxb6 e5 54. Rg6 Nh2 55. Kd2 Nf3+ 56. Kc2 Kf5 57. Rc6 g4 58. Rc8 g3 59. Rf8+ Ke4 60. Rg8 g2 61. Kd1 g1=Q+ 62. Rxg1 Nxg1 63. Kc1 Kd3 64. Kd1 e4 65. Kc1 e3 66. Kd1 Nf3 67. Kc1 e2 68. Kb2 e1=Q 69. Ka3 Qa5+ 70. Kb2 c3+ 71. Kb3 Nd2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.20"] [White "Mercado Florez, Diego Armando"] [Black "Gamarra Pardo, Sebastian Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1263"] [BlackElo "1369"] [PlyCount "47"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Bf4 d6 6. Nd2 g6 7. Ngf3 Bg7 8. Qb3 Nf6 9. Bc4 O-O 10. Ng5 e6 11. O-O-O Na5 12. Qb4 Nxc4 13. Qxc4 Qe7 14. Ndf3 e5 15. Be3 Be6 16. Qb4 Rfe8 17. Qxd6 Qxd6 18. Rxd6 Nxe4 19. Rdd1 Bxa2 20. Nxe4 a6 21. Rhe1 Rad8 22. h3 Rxd1+ 23. Rxd1 f5 24. Rd5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.21"] [White "Norena Marin, Jeronimo"] [Black "Balza Gil, Salvatore"] [Result "1-0"] [ECO "A00"] [WhiteElo "1368"] [BlackElo "1033"] [PlyCount "69"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Nf3 Ne4 7. Nxe4 dxe4 8. Nd2 c5 9. Nb3 cxd4 10. Qxd4 Nc6 11. Qd1 Qxd1+ 12. Rxd1 Ke7 13. Bd6+ Kf6 14. c5 Rd8 15. Rg1 h6 16. g4 Bh7 17. h4 g5 18. h5 b6 19. Bb5 Nb4 20. Be5+ Ke7 21. Rxd8 Kxd8 22. Bxh8 Nc2+ 23. Kd2 Nb4 24. Bf6+ Kc7 25. cxb6+ Kxb6 26. Be8 Nd5 27. Bd4+ Ka6 28. Rc1 Bb4+ 29. Ke2 f5 30. Nc5+ Ka5 31. a3 Nf4+ 32. exf4 Bxc5 33. Rxc5+ Ka6 34. Rc7 gxf4 35. Rxa7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.22"] [White "Varela Sanchez, David Yoel"] [Black "De La Ossa, Madera Ethan"] [Result "1-0"] [ECO "C45"] [WhiteElo "1342"] [BlackElo "1473"] [PlyCount "73"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Bd3 Nf6 8. O-O Bg4 9. Qe1 Qd7 10. Na4 O-O-O 11. Nxb6+ axb6 12. a4 Be6 13. Bd2 Bxb3 14. cxb3 Ne5 15. Bc2 Qc6 16. Rc1 Rhe8 17. f3 d5 18. f4 Ng6 19. e5 Nd7 20. Bf5 Qd6 21. exd6 Rxe1 22. Rxc7+ Kb8 23. Rxe1 Nc5 24. Rxf7 Rxd6 25. b4 Na6 26. Rxg7 d4 27. Bxg6 hxg6 28. f5 gxf5 29. Bf4 d3 30. Bxd6+ Nc7 31. Bxc7+ Ka7 32. Bf4 d2 33. Bxd2 f4 34. Ree7 b5 35. Rxb7+ Ka8 36. Bxf4 bxa4 37. Rb8# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.23"] [White "Gonzalez Rodriguez, Jose David"] [Black "Diaz Avila, Jarett Alexander"] [Result "0-1"] [ECO "A00"] [BlackElo "1298"] [PlyCount "52"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Nxb4 5. Nxe5 Qf6 6. d4 Nc6 7. Nxc6 dxc6 8. e5 Qh4 9. Qf3 Qxd4 10. Qxf7+ Kd8 11. O-O Qxe5 12. Rd1+ Bd6 13. Bf4 Qe7 14. Bxd6 cxd6 15. Nc3 Qxf7 16. Bxf7 Nf6 17. Rxd6+ Ke7 18. Rxf6 gxf6 19. Bc4 b5 20. Bb3 a5 21. a4 bxa4 22. Nxa4 Re8 23. Nc5 Kf8 24. Rd1 Bf5 25. f3 Rad8 26. Ra1 Rd2 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.24"] [White "Conto Garcia, Nicolas Alberto"] [Black "Marquez Leon, Jaime Jatnyel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1281"] [PlyCount "69"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. c3 h6 5. d3 Be7 6. Bb3 d5 7. Qe2 dxe4 8. dxe4 Be6 9. Bc2 Qd7 10. Be3 Ng4 11. Nbd2 a6 12. Nf1 Bf6 13. Bc5 O-O-O 14. h3 Be7 15. Bxe7 Qxe7 16. hxg4 Bxg4 17. Ne3 Be6 18. Nd2 Rd7 19. Bb3 Rhd8 20. Nd5 Bxd5 21. Bxd5 Na5 22. O-O-O c6 23. Bb3 b5 24. Bc2 Qf6 25. Nb3 Rxd1+ 26. Rxd1 Rxd1+ 27. Kxd1 Nxb3 28. Bxb3 Qd6+ 29. Qd2 Qg6 30. f3 h5 31. c4 f5 32. exf5 Qxf5 33. cxb5 axb5 34. Qc2 Qxc2+ 35. Kxc2 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.25"] [White "Ramirez Girado, Joshua Daid"] [Black "Viasus, Juan Diego"] [Result "0-1"] [ECO "A00"] [BlackElo "1272"] [PlyCount "76"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nc3 Nc6 3. Bc4 g6 4. d3 Bg7 5. Nge2 e6 6. O-O Nge7 7. a3 d5 8. exd5 exd5 9. Bb5 O-O 10. Bxc6 Nxc6 11. Re1 Re8 12. h3 Bf5 13. Ng3 Be6 14. Nce2 Qd7 15. Nf4 Rad8 16. Rb1 Nd4 17. c3 Nf5 18. Nxe6 fxe6 19. Nxf5 exf5 20. Bg5 Rxe1+ 21. Qxe1 Re8 22. Qd2 Qe6 23. Kf1 Kf7 24. Re1 Qxe1+ 25. Qxe1 Rxe1+ 26. Kxe1 Ke6 27. f4 b5 28. Kd2 a5 29. b4 axb4 30. axb4 cxb4 31. cxb4 d4 32. g4 Bf8 33. gxf5+ Kxf5 34. Kc2 Bxb4 35. Kb3 Bd2 36. Bh6 Bxf4 37. Bxf4 Kxf4 38. Kb4 Ke3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.26"] [White "Sepulveda Navarro, Danilson David"] [Black "Sepulveda Brango, Alberto Enrique"] [Result "0-1"] [ECO "A00"] [BlackElo "1231"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. e5 Ng4 5. d4 cxd4 6. Nxd4 Ngxe5 7. Bb5 e6 8. Bf4 Be7 9. Qe2 Nxd4 10. Qxe5 Nxc2+ 11. Ke2 Bf6 12. Qe4 Nxa1 13. Rxa1 O-O 14. Bd6 Be7 15. Be5 d5 16. Qd4 Bf6 17. Bxf6 Qxf6 18. Qd3 Qe5+ 19. Kd2 d4 20. Ne2 Qg5+ 21. f4 Qxg2 22. h3 Qg6 23. Qf3 e5 24. Rg1 e4 25. Qb3 e3+ 26. Kd1 Be6 27. Qa3 Qb1+ 28. Nc1 Rac8 29. b3 Qc2+ 30. Ke1 Qf2+ 31. Kd1 Qd2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "2.27"] [White "Alzate Araujo, Miguel Angel"] [Black "Rivera Crespo, Victor"] [Result "0-1"] [ECO "D90"] [WhiteElo "1217"] [PlyCount "56"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Nc6 5. Bg5 e6 6. e3 Be7 7. Bd3 Nb4 8. Be2 c5 9. cxd5 exd5 10. O-O cxd4 11. Nxd4 O-O 12. Bxf6 Bxf6 13. Qb3 Nc6 14. Rfd1 Ne7 15. Bf3 Be6 16. Qxb7 Rb8 17. Qxa7 Rxb2 18. Qa3 Rb8 19. Rac1 Qd7 20. e4 dxe4 21. Nxe6 Qxe6 22. Nxe4 Bb2 23. Nc5 Bxa3 24. Nxe6 fxe6 25. Rc7 Rb2 26. Re1 Nd5 27. Ra7 Bc5 28. Ra6 Bxf2+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.1"] [White "Hernandez, Jeronimo"] [Black "Loaiza Cuervo, Santiago"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "2141"] [BlackElo "1880"] [PlyCount "61"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 Ngf6 5. Nc3 e6 6. O-O Be7 7. d4 cxd4 8. Nxd4 O-O 9. Bxd7 Qxd7 10. b3 b6 11. Bb2 Bb7 12. Qe2 d5 13. cxd5 exd5 14. e5 Ne4 15. Nxe4 dxe4 16. Qh5 Rfd8 17. Nf5 Bf8 18. Rfd1 Qe6 19. Qg5 h6 20. Qg4 Rd3 21. Ba3 g6 22. Bxf8 Kxf8 23. Nxh6 Qxe5 24. Qh4 Rad8 25. Re1 Kg7 26. Rac1 Rh8 27. Ng4 Qf5 28. Qe7 Qxg4 29. Qxb7 Qh4 30. Qc7 Rhd8 31. h3 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.2"] [White "Ramirez Andrade, Leonardo Jesus"] [Black "Sanchez Arroyave, Juan Pablo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1795"] [BlackElo "2079"] [PlyCount "82"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Nc6 6. Nb3 Qc7 7. Bd3 Nf6 8. f4 d6 9. Qf3 b5 10. a4 b4 11. Ne2 Bb7 12. Bd2 Be7 13. g4 Nd7 14. h4 Nc5 15. Nxc5 dxc5 16. b3 Na5 17. O-O c4 18. bxc4 Nxc4 19. Be1 Rd8 20. g5 f5 21. gxf6 Bxf6 22. Rb1 a5 23. Qh5+ Kf8 24. e5 Qc6 25. Rf3 Be7 26. Kg2 Qxf3+ 27. Qxf3 Bxf3+ 28. Kxf3 Na3 29. Rb2 Kf7 30. Bf2 Rc8 31. Bb6 Bd8 32. Bf2 Nc4 33. Ra2 g6 34. Nd4 Be7 35. Nb5 Rhd8 36. h5 gxh5 37. Bxh7 Rh8 38. Bd3 h4 39. Kg2 h3+ 40. Kh2 Nd2 41. Be2 Rcg8 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.3"] [White "Londono Lopez, Donaldo"] [Black "Rodriguez Valencia, Sebastian"] [Result "1-0"] [ECO "A00"] [WhiteElo "2070"] [BlackElo "1786"] [PlyCount "59"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 d5 9. Bb5 Bd7 10. exd5 Nxd4 11. Bxd7+ Qxd7 12. Bxd4 O-O 13. O-O-O Rfc8 14. Rhe1 b5 15. Be5 b4 16. Ne4 a5 17. Kb1 Rd8 18. Qd4 Qb7 19. Nxf6+ exf6 20. Bg3 a4 21. d6 b3 22. cxb3 axb3 23. a3 Rd7 24. Rd3 Rb8 25. Re7 Qc6 26. Rc3 Qb5 27. Qc4 Qf5+ 28. Qd3 Rbd8 29. Qxf5 gxf5 30. Rxd7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.4"] [White "Vargas Viscaino, Jesus Daniel"] [Black "Puerta Rendon, Jacobo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1892"] [BlackElo "1636"] [PlyCount "84"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Bb6 7. Bc4 Nf6 8. O-O O-O 9. Nxc6 bxc6 10. Bxb6 axb6 11. e5 Ne4 12. Nd2 d5 13. exd6 Nxd6 14. Bd3 Qg5 15. Kh1 Qd5 16. Qf3 Bg4 17. Qg3 Be2 18. Bxe2 Qxd2 19. Qd3 Qxb2 20. Rfb1 Qa3 21. Bf3 Qc5 22. Qd4 Ra5 23. Rb4 Nf5 24. Qd3 Qxf2 25. Be4 Ne3 26. Bxh7+ Kh8 27. Be4 Rh5 28. Bf3 Qg3 29. h4 Rxh4+ 30. Rxh4+ Qxh4+ 31. Kg1 Ng4 32. Bxg4 Qxg4 33. Rf1 Kg8 34. Rf3 Re8 35. Rg3 Qe4 36. Qd7 Qe5 37. Qxc6 Rd8 38. Qf3 Qe6 39. a4 Qd7 40. Qf4 Qd1+ 41. Kh2 Rd6 42. Qg5 Rh6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.5"] [White "Olivella Fonseca, Fabio Junior"] [Black "Cordoba Roa, Angel Gabriel"] [Result "0-1"] [ECO "A70"] [WhiteElo "1753"] [BlackElo "2106"] [PlyCount "76"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. h3 O-O 9. Bd3 b5 10. Bxb5 Nxe4 11. Nxe4 Qa5+ 12. Bd2 Qxb5 13. Nxd6 Qxb2 14. Rc1 Qxa2 15. Rxc5 Ba6 16. Qc2 Qa1+ 17. Qc1 Qf6 18. Nc4 Nd7 19. Rc6 Qe7+ 20. Be3 Qb4+ 21. Nfd2 Bb5 22. O-O Bxc6 23. dxc6 Nc5 24. Qc2 a5 25. Rb1 Qa4 26. Qxa4 Nxa4 27. Rb5 Bc3 28. Ne4 Rfc8 29. Nxc3 Nxc3 30. Rb3 Nd5 31. Rb5 Nxe3 32. fxe3 a4 33. Nb6 Rab8 34. Nxc8 Rxb5 35. Ne7+ Kg7 36. c7 Rc5 37. c8=Q Rxc8 38. Nxc8 a3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.6"] [White "Orostegui Cardona, David Eduardo"] [Black "Mesa Baez, Samuel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1633"] [BlackElo "1907"] [PlyCount "52"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Bg4 7. Be2 Be7 8. Be3 Nc6 9. Nc3 O-O 10. b3 Re8 11. Rc1 Bxf3 12. Bxf3 Bg5 13. Qd2 Bxe3 14. fxe3 Qh4+ 15. g3 Qxd4 16. Qxd4 Nxd4 17. Bxb7 Rxe3+ 18. Kf2 Rae8 19. Rhd1 Ne2 20. Ne4 R3xe4 21. Bxe4 Nxc1 22. Bb1 Re2+ 23. Kf3 Rxh2 24. Rxc1 Nd7 25. b4 Rb2 26. b5 g6 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.7"] [White "Cordoba Perez, Jeronimo"] [Black "Diaz Larrea, Juan Manuel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1838"] [BlackElo "1748"] [PlyCount "47"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 c5 2. Nc3 Nf6 3. e4 Nc6 4. d3 e6 5. f4 d6 6. Nge2 Be7 7. g3 a6 8. Bg2 e5 9. O-O Rb8 10. a4 b6 11. h3 h5 12. Nd5 Bd7 13. Nec3 Nd4 14. Nxe7 Qxe7 15. fxe5 Qxe5 16. Bf4 Qe6 17. Nd5 O-O 18. Nxf6+ Qxf6 19. Qxh5 Nc2 20. e5 dxe5 21. Bxe5 Qg6 22. Qxg6 fxg6 23. Bxb8 Nxa1 24. Bd5+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.8"] [White "Ortiz Monsalve, Sebastian"] [Black "Rico Duran, Juan Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1563"] [BlackElo "1828"] [PlyCount "94"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Be7 7. f3 Nc6 8. Qd2 O-O 9. g4 Nxd4 10. Bxd4 e5 11. Be3 Be6 12. O-O-O Qa5 13. Kb1 Rfc8 14. Nd5 Qxd2 15. Nxe7+ Kf8 16. Rxd2 Kxe7 17. Be2 Bc4 18. g5 Ne8 19. Bd1 b5 20. f4 b4 21. Bg4 Be6 22. f5 Bd7 23. Rhd1 Rd8 24. h4 f6 25. Bh5 Bc6 26. Bxe8 Bxe8 27. gxf6+ gxf6 28. Rg2 h5 29. Bd2 Rab8 30. c3 a5 31. Kc2 Bf7 32. b3 bxc3 33. Kxc3 a4 34. b4 Rdc8+ 35. Kb2 a3+ 36. Kb1 Rc4 37. Re2 d5 38. Rde1 Rd8 39. Rc1 dxe4 40. Rg2 Rxc1+ 41. Bxc1 Rd3 42. b5 Kd6 43. Rc2 Bd5 44. b6 e3 45. Rc7 e2 46. Kc2 e1=Q 47. Kxd3 Be4+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.9"] [White "Carvajal Barreto, Johan Sebastian"] [Black "Rueda Ahumada, Gabriel Omar"] [Result "1-0"] [ECO "A00"] [WhiteElo "1771"] [BlackElo "1482"] [PlyCount "73"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Bg5 c5 7. d5 Nbd7 8. Nf3 h6 9. Bf4 g5 10. Bg3 Nh5 11. Qc2 Nxg3 12. hxg3 Nf6 13. O-O-O a6 14. e5 dxe5 15. Nxe5 Qd6 16. f4 gxf4 17. gxf4 Ng4 18. Ne4 Qb6 19. Nxg4 Bxg4 20. Rd2 Bd4 21. Nf2 Bd7 22. Re2 Qd6 23. Qd2 f5 24. Rhe1 Bf6 25. Qc2 Qxf4+ 26. Kb1 Qg5 27. Nh3 Qg6 28. g4 Kh8 29. gxf5 Qf7 30. Nf4 Rfe8 31. Rh2 Kg7 32. Ng6 Rad8 33. Rg1 Bg5 34. Rxh6 Kxh6 35. Qh2+ Kg7 36. Rxg5 Kf6 37. Rh5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.10"] [White "Carvajal Barreto, Misael Camilo"] [Black "Ospina Castro, Santiago"] [Result "0-1"] [ECO "A00"] [WhiteElo "1685"] [BlackElo "2088"] [PlyCount "82"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. a3 Nf6 4. Nf3 Be7 5. e3 O-O 6. Nc3 b6 7. cxd5 exd5 8. h3 c5 9. Be2 Be6 10. b3 Nbd7 11. Bb2 Ne4 12. dxc5 Nxc3 13. Bxc3 bxc5 14. O-O Bf6 15. Qc2 Qb6 16. Bxf6 Nxf6 17. Rab1 a5 18. a4 Rfd8 19. Rfc1 Rac8 20. Bd3 d4 21. e4 h6 22. Nd2 Nh5 23. Nc4 Bxc4 24. bxc4 Qc7 25. Rb5 Ra8 26. Rcb1 Nf4 27. R1b3 Qe5 28. Bf1 d3 29. Bxd3 Qg5 30. Bf1 Rd2 31. Qb1 Rad8 32. Rg3 Qe5 33. Re3 Kh7 34. Rbb3 g6 35. Re1 Ne6 36. Rd3 R8xd3 37. Bxd3 Qd4 38. Re3 Nf4 39. Bc2 Qxc4 40. Bd1 Qd4 41. Bf3 Qxa4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.11"] [White "Gamarra Pardo, Sebastian Andres"] [Black "Gonzalez Mojica, Renan Arturo"] [Result "0-1"] [ECO "A46"] [WhiteElo "1369"] [BlackElo "1981"] [PlyCount "48"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 c5 2. Nf3 Nf6 3. Bf4 cxd4 4. c3 dxc3 5. Nxc3 g6 6. e4 Bg7 7. Bc4 Nc6 8. O-O O-O 9. Rc1 d6 10. Qd2 Bg4 11. Be2 Qb6 12. Be3 Qa5 13. Rfd1 Rac8 14. a3 Bxf3 15. Bxf3 Ne5 16. Be2 Nc4 17. Bxc4 Rxc4 18. Qd3 Rc6 19. h3 Rfc8 20. g4 h6 21. f4 a6 22. Nd5 Rxc1 23. Nxe7+ Kh7 24. Nxc8 Rxc8 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.12"] [White "Moreno Marino, Juan Nicolas"] [Black "Norena Marin, Jeronimo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1928"] [BlackElo "1368"] [PlyCount "61"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 g6 2. c4 Bg7 3. Nc3 d6 4. d4 Nf6 5. h3 O-O 6. Be3 e5 7. d5 Nh5 8. g3 Nd7 9. Be2 Nhf6 10. Nf3 Re8 11. Qc2 a6 12. O-O-O b6 13. g4 Nc5 14. Rdg1 Bb7 15. h4 Qc8 16. Nd2 Kf8 17. g5 Ng8 18. h5 Rb8 19. Nf3 Ne7 20. Nh2 c6 21. hxg6 Nxg6 22. Ng4 cxd5 23. cxd5 b5 24. Nf6 Re7 25. Rxh7 b4 26. Bg4 Qc7 27. Ne2 b3 28. axb3 Nxb3+ 29. Kb1 Na5 30. Qxc7 Rxc7 31. Bb6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.13"] [White "Diaz Avila, Jarett Alexander"] [Black "Caballero Marrugo, David Jose"] [Result "0-1"] [ECO "A00"] [WhiteElo "1298"] [BlackElo "1759"] [PlyCount "44"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d6 2. Nf3 g6 3. d4 Bg7 4. Bc4 a6 5. O-O Nf6 6. Nc3 b5 7. Bd3 O-O 8. e5 Ne8 9. Be3 Bb7 10. Be2 Nc6 11. exd6 exd6 12. d5 Ne5 13. Nxe5 dxe5 14. Bf3 Nd6 15. Bc5 Re8 16. Bxd6 Qxd6 17. a3 f5 18. Be2 Rad8 19. Qe1 Bxd5 20. Rd1 Qc5 21. Nxd5 Rxd5 22. Rxd5 Qxd5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.14"] [White "Padilla, Daniel Eduardo"] [Black "Varela Sanchez, David Yoel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1708"] [BlackElo "1342"] [PlyCount "79"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 Na6 9. Ba5 b6 10. Bc3 f6 11. Qd6 Bd7 12. O-O-O O-O-O 13. Rd4 Qg6 14. Bf3 Qe8 15. Ne2 Ne7 16. Qa3 Kb7 17. Rhd1 Nb8 18. c5 b5 19. Ba5 Rc8 20. Qd3 Nd5 21. Nc3 f5 22. Re1 Qf7 23. Nxb5 cxb5 24. Rxd5 Bc6 25. Rd6 a6 26. Rexe6 Rhe8 27. Rxe8 Qxe8 28. Qxf5 g6 29. Qd3 Qe7 30. Bxc6+ Rxc6 31. Rxc6 Nxc6 32. Qd5 h5 33. Bd2 Qc7 34. h3 Ka7 35. Be3 a5 36. Qd3 Nb4 37. Qxb5 Nxa2+ 38. Kb1 Nb4 39. c6+ Ka8 40. Bf4 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.15"] [White "Viasus, Juan Diego"] [Black "Brito Carrascal, Camilo Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1272"] [BlackElo "1678"] [PlyCount "60"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 Bd6 5. Bg3 O-O 6. Nbd2 c5 7. c3 Qc7 8. Ne5 b6 9. Bd3 Bb7 10. f4 Nbd7 11. O-O Ne4 12. Bxe4 dxe4 13. Ndc4 Bxe5 14. Nxe5 f5 15. Bh4 Nf6 16. Qe2 cxd4 17. cxd4 Rfc8 18. Be1 a5 19. Bc3 Ba6 20. Qd2 Bxf1 21. Rxf1 Nd5 22. Rc1 b5 23. Qe1 Qb7 24. Bd2 Rxc1 25. Qxc1 Rc8 26. Qd1 Qc7 27. Qh5 Nf6 28. Qd1 Qc2 29. Qxc2 Rxc2 30. Bc3 b4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.16"] [White "Echeverry Betancur, Jorge Andres"] [Black "Conto Garcia, Nicolas Alberto"] [Result "0-1"] [ECO "A00"] [WhiteElo "1648"] [BlackElo "1281"] [PlyCount "56"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. O-O Nf6 5. Re1 O-O 6. d4 d6 7. Nc3 Bg4 8. Be3 Bxf3 9. gxf3 exd4 10. Bxd4 Nxd4 11. Qxd4 Nh5 12. e5 Bg5 13. Qg4 g6 14. e6 fxe6 15. Rxe6 Kh8 16. Rae1 Nf4 17. Nd5 Nxe6 18. Rxe6 Bf6 19. Nf4 Re8 20. Qh3 Rxe6 21. Bxe6 Bh4 22. Kf1 Qf6 23. Nd5 Qd8 24. Nxc7 Qxc7 25. Qxh4 Qg7 26. c3 Rf8 27. Ke2 Qf6 28. Qxf6+ Rxf6 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.17"] [White "Sepulveda Brango, Alberto Enrique"] [Black "Salcedo Rodelo, Brayan"] [Result "0-1"] [ECO "A00"] [WhiteElo "1231"] [BlackElo "1619"] [PlyCount "70"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Bc4 Nf6 7. Bg5 Be7 8. Nc3 Qa5 9. O-O Rb8 10. Bb3 Ba6 11. Re1 O-O 12. Bxf6 Bxf6 13. Qxd7 Qc5 14. Rad1 Rbd8 15. Qg4 Rd4 16. Rxd4 exd4 17. Ne2 Be5 18. Nf4 Qd6 19. g3 c5 20. Rd1 c4 21. Ba4 Bb7 22. Ng2 g6 23. f4 Bg7 24. e5 Qd5 25. Qe2 Rd8 26. b3 d3 27. Qf1 Bf8 28. bxc4 Qd4+ 29. Kh1 d2 30. h3 Qe3 31. Kh2 Qf3 32. c3 Bc5 33. Rb1 Bf2 34. g4 Qg3+ 35. Kh1 Qxh3# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.18"] [White "Castro Herrera, Juan Sebastian"] [Black "Borre Meza, Orlando David"] [Result "0-1"] [ECO "C55"] [WhiteElo "1375"] [BlackElo "1498"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 O-O 6. O-O d6 7. Be3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Qe2 Qd7 11. Bb5 Nxg4 12. Bxc6 bxc6 13. Rfe1 Nf6 14. Qf1 Bh5 15. Qg2 Bxf3 16. Qxf3 d5 17. Red1 d4 18. Qf5 dxe3 19. Qxd7 exf2+ 20. Kxf2 Nxd7 21. d4 f5 22. Kf3 fxe4+ 23. Kxe4 exd4 24. Rxd4 Nc5+ 25. Ke3 Bg5+ 26. Ke2 Rae8+ 27. Ne4 Nxe4 28. Kd3 Rf3+ 29. Kc4 Nd6+ 30. Kb4 Re5 31. a4 a5# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.19"] [White "Toncel Diaz, Carlos De Jesus"] [Black "Pena De Lima, Carlos Andres"] [Result "0-1"] [ECO "A00"] [BlackElo "1455"] [PlyCount "60"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. Nf3 e6 5. e3 Bb4 6. a3 Bxc3+ 7. bxc3 b6 8. h3 O-O 9. c4 Bb7 10. Bd3 c5 11. cxd5 exd5 12. c4 dxc4 13. Bxc4 cxd4 14. Nxd4 b5 15. Bd3 Qa5+ 16. Kf1 Nbd7 17. Bg5 h6 18. Bxf6 Nxf6 19. Rg1 Rac8 20. g4 Be4 21. f4 Qc3 22. Ke2 Rfd8 23. g5 Qb2+ 24. Ke1 Rxd4 25. exd4 Qc3+ 26. Ke2 Bxd3+ 27. Kf2 Qxd4+ 28. Kg3 Qe3+ 29. Kh4 Qxf4+ 30. Rg4 hxg5# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.21"] [White "Rivera Crespo, Victor"] [Black "Serrano Arrieta, Cristian"] [Result "1/2-1/2"] [ECO "A00"] [BlackElo "1234"] [PlyCount "59"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Ng1 Bd6 11. Ne2 Qc7 12. Nbc3 O-O 13. Ng3 Re8 14. O-O Bg4 15. Qe1 Rab8 16. d3 exd3 17. Qd2 dxc2 18. Qxc2 Nb7 19. Be3 Nc5 20. Bxc5 Bxc5 21. Nge4 Nxe4 22. Nxe4 Bd4 23. Nc3 Qa5 24. Bb3 Bf5 25. Qd2 Rbd8 26. Qf4 Bg6 27. Qf3 Rd6 28. Rad1 Rf6 29. Qg4 Bxc3 30. bxc3 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.23"] [White "Mercado Florez, Diego Armando"] [Black "Ramirez Oviedo, Christian Camilo"] [Result "0-1"] [ECO "B21"] [WhiteElo "1263"] [BlackElo "1689"] [PlyCount "34"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 d6 7. O-O Nf6 8. Qe2 Be7 9. Bf4 a6 10. Rfd1 Qc7 11. Rac1 O-O 12. Qd2 Rd8 13. Bg5 Qa5 14. Bxf6 Bxf6 15. Qf4 Ne5 16. b4 Nxf3+ 17. Qxf3 Qxb4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.24"] [White "De La Ossa, Madera Ethan"] [Black "Alzate Araujo, Miguel Angel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1473"] [BlackElo "1217"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Qb3 Qc7 7. Be3 Nh6 8. Nbd2 Nf5 9. Be2 Nxe3 10. fxe3 b6 11. Qc2 Bb7 12. O-O Be7 13. Rac1 O-O 14. a3 f6 15. Bb5 fxe5 16. Bxc6 Bxc6 17. Nxe5 Bb5 18. Rxf8+ Rxf8 19. b4 Bd6 20. Ndf3 Be8 21. Ng5 Rf6 22. Qxh7+ Kf8 23. Qh8+ Ke7 24. Qxg7+ Kd8 25. Qxf6+ Be7 26. Nxe6+ Kc8 27. Nxc7 Bxf6 28. Nxe8 Bg5 29. Kf2 c4 30. g3 Kb7 31. h4 Be7 32. Nf7 Ka6 33. a4 Kb7 34. h5 Kc8 35. Nfd6+ Kd7 36. h6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.25"] [White "Zapata Polo, Orlando Jose"] [Black "Escorcia Bolano, Andrees Josee"] [Result "1-0"] [ECO "A00"] [WhiteElo "1195"] [PlyCount "19"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d5 2. Nc3 d4 3. Nce2 Nc6 4. Nf3 e5 5. c3 d3 6. Ng3 Nf6 7. Nh4 Ng4 8. Nhf5 Bc5 9. Qxg4 Bxf2+ 10. Kxf2 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.26"] [White "Gonzalez Rodriguez, Jose David"] [Black "Merino Vanegas, Santiago Andres"] [Result "0-1"] [ECO "A00"] [BlackElo "1136"] [PlyCount "84"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2 O-O 9. O-O-O Bd7 10. g4 Qa5 11. h4 h5 12. Be2 Rfc8 13. Nb3 Qc7 14. Bh6 Ne5 15. gxh5 Nxh5 16. Nd5 Qd8 17. Bxg7 Kxg7 18. f4 Ng4 19. f5 Ngf6 20. Kb1 Nxe4 21. Qd4+ Nef6 22. Bxh5 gxh5 23. Rdg1+ Kh7 24. Qd1 Qf8 25. Rg5 Ng8 26. Rxh5+ Nh6 27. Nd4 f6 28. Rg1 Rc5 29. Nf4 Bxf5 30. Nfe6 Bxe6 31. Nxe6 Qf7 32. Rg7+ Qxg7 33. Nxg7 Kxg7 34. Rxc5 dxc5 35. Qd5 Nf7 36. Qxc5 Nd6 37. Qc7 Kf7 38. b3 Rh8 39. c4 Rxh4 40. c5 Rh1+ 41. Kc2 Rh2+ 42. Kc3 Nb5+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.27"] [White "Balza Gil, Salvatore"] [Black "Malagon De Avila, Matias Alberto"] [Result "1-0"] [ECO "A00"] [WhiteElo "1033"] [PlyCount "37"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 e5 2. dxe5 Nc6 3. Nf3 d6 4. exd6 cxd6 5. e4 Bg4 6. Bc4 Nf6 7. Nc3 Be7 8. h3 Bxf3 9. Qxf3 O-O 10. g4 Nd4 11. Qd3 Nc6 12. g5 Ne5 13. Qe2 Rc8 14. gxf6 d5 15. fxg7 Kxg7 16. Rg1+ Kh8 17. Bh6 Nxc4 18. Bg7+ Kg8 19. Bf6# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.28"] [White "Marquez Leon, Jaime Jatnyel"] [Black "Payares Diaz, Alejandro"] [Result "0-1"] [ECO "A00"] [BlackElo "1427"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d4 Bxd4 5. Nxd4 Nxd4 6. f4 Nc6 7. Nc3 Nf6 8. O-O d6 9. f5 h6 10. Bd2 Bd7 11. Qe2 Nd4 12. Qd3 a6 13. a3 Bc6 14. h3 d5 15. Bxd5 Nxd5 16. Nxd5 Bxd5 17. exd5 Qxd5 18. f6 e4 19. Rae1 O-O-O 20. Rxe4 gxf6 21. Bc3 c5 22. b4 f5 23. Ref4 Rhg8 24. R1f2 Rde8 25. Bxd4 cxd4 26. Rxf5 Re1+ 27. Kh2 Qd6+ 28. g3 Re3 29. Qc4+ Kb8 30. Rg2 Rexg3 31. Rff2 Rxg2+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.07"] [Round "3.29"] [White "Rueda Ahumada, Daniel Alejandro"] [Black "Ramirez Girado, Joshua Daid"] [Result "1-0"] [ECO "D02"] [WhiteElo "1340"] [PlyCount "13"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 Bd7 (4... Ke7) 5. Bd3 Bc6 (5... Ne4 6. c3 c5 7. Qc2 (7. Qb3) 7... Bc6 8. Nbd2 c4 9. Bxe4 dxe4 10. Nxe4 Bxe4 11. Qxe4 Nc6 12. O-O Be7 13. Ne5 f5 14. Nxc6 fxe4 15. Nxd8 Rxd8 16. Be5 O-O 17. b3 b5 18. bxc4 bxc4 19. Rab1 Rd7 20. Rfc1 Ba3 21. Rd1 Rdf7 22. Rb5 Rxf2 23. Rb7 Bb2 24. Rxg7+ Kh8 25. Rg5+ R2f6 26. Rf1 h6 27. Rxf6 Rxf6 28. Bxf6+ Kh7 29. Rg7+ Kh8 30. Rb7+ Kg8 31. Rxb2) 6. c3 Bc5 7. dxc5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.1"] [White "Sanchez Arroyave, Juan Pablo"] [Black "Londono Lopez, Donaldo"] [Result "1-0"] [ECO "A00"] [WhiteElo "2079"] [BlackElo "2070"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Bg7 6. Nxd5 Qxd5 7. Ne2 O-O 8. Nc3 Qd8 9. Be2 c5 10. d5 e6 11. e4 exd5 12. exd5 b6 13. O-O Ba6 14. Re1 Bxe2 15. Rxe2 Na6 16. Bf4 Qd7 17. Be5 Bxe5 18. Rxe5 Rfe8 19. Ne4 Kg7 20. Qf3 Rxe5 21. Qf6+ Kg8 22. Qxe5 Qf5 23. Nf6+ Kf8 24. Nxh7+ Kg8 25. Nf6+ Kf8 26. Qc3 Nb4 27. a3 Nxd5 28. Nxd5 Qxd5 29. Qh8+ Ke7 30. Qh4+ Kf8 31. Qh8+ Ke7 32. Re1+ Kd7 33. Qh3+ Kc6 34. Qg4 Rd8 35. Qa4+ Kd6 36. Rd1 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.2"] [White "Cordoba Roa, Angel Gabriel"] [Black "Vargas Viscaino, Jesus Daniel"] [Result "0-1"] [ECO "A00"] [WhiteElo "2106"] [BlackElo "1892"] [PlyCount "60"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Nf6 7. O-O Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd6 11. Qd2 Nb4 12. Ne5 Nbd5 13. Bg5 O-O 14. Bf3 Rd8 15. Bh4 Nxc3 16. Qxc3 Qxd4 17. Qc7 Qd6 18. Qc3 Nd5 19. Bxe7 Qxe7 20. Bxd5 Rxd5 21. Rac1 f6 22. Nc4 Rc5 23. Qe3 Bd7 24. Nb6 Rxc1 25. Rxc1 Rd8 26. Rd1 Bc8 27. Re1 Re8 28. Rc1 Bd7 29. Rc7 Rd8 30. Rxb7 Bc6 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.3"] [White "Rico Duran, Juan Sebastian"] [Black "Hernandez, Jeronimo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1828"] [BlackElo "2141"] [PlyCount "70"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 g6 6. Nbd2 Bg7 7. h3 O-O 8. Be2 Nd7 9. O-O e5 10. dxe5 Ndxe5 11. Nb3 b6 12. a4 Be6 13. Nxe5 Nxe5 14. a5 Nc4 15. Bxc4 dxc4 16. Nd2 Qd3 17. Nf3 Bd5 18. Qxd3 cxd3 19. Nd2 b5 20. e4 Be6 21. a6 Rfc8 22. Ra5 b4 23. Rc1 c4 24. Bd6 bxc3 25. bxc3 Rc6 26. Bc5 Bh6 27. Rd1 Bf4 28. Bd4 Bc7 29. Ra4 Bb6 30. Bxb6 axb6 31. Rb1 b5 32. Rxb5 Rcxa6 33. Rxa6 Rxa6 34. Rc5 Ra2 35. Nxc4 Bxc4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.4"] [White "Mesa Baez, Samuel"] [Black "Cordoba Perez, Jeronimo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1907"] [BlackElo "1838"] [PlyCount "83"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 O-O 8. Bd3 Nd7 9. Bg5 f5 10. Qh4 Rf7 11. Bxf5 Rxf5 12. Bxe7 Qa5 13. Ne2 cxd4 14. Bb4 Qa4 15. Qd8+ Nf8 16. Nxd4 Rf7 17. Nxe6 Qd7 18. Qxd7 Nxd7 19. Nc7 Nb6 20. Nxa8 Nxa8 21. O-O-O Be6 22. c4 Nc7 23. cxd5 Bxd5 24. c4 Bc6 25. Rd8+ Ne8 26. f3 Rf4 27. Kb2 Kf7 28. e6+ Kf6 29. Kb3 a5 30. Bxa5 Kxe6 31. Re1+ Kf7 32. Bb4 Nf6 33. Rf8+ Kg6 34. Bc3 Rh4 35. h3 b5 36. Bxf6 gxf6 37. Re6 bxc4+ 38. Kc3 Bb5 39. Rexf6+ Kg7 40. R6f7+ Kg6 41. Rf4 Rh5 42. Rg4+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.5"] [White "Loaiza Cuervo, Santiago"] [Black "Carvajal Barreto, Johan Sebastian"] [Result "1-0"] [ECO "A00"] [WhiteElo "1880"] [BlackElo "1771"] [PlyCount "49"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d6 2. d4 Nd7 3. Nc3 Ngf6 4. f4 c5 5. e5 Ng8 6. Be3 dxe5 7. dxe5 e6 8. Qf3 Nh6 9. O-O-O a6 10. g4 g6 11. Nh3 Qa5 12. Ne4 Qxa2 13. Rxd7 Kxd7 14. Bg2 Qa1+ 15. Kd2 Qxb2 16. Nhf2 Be7 17. Nd3 Qb5 18. Bxc5 Bxc5 19. Ndxc5+ Kc7 20. Qc3 Rd8+ 21. Nd6 Rxd6+ 22. exd6+ Kxd6 23. Ne4+ Ke7 24. Qa3+ Kd7 25. Qd6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.6"] [White "Ospina Castro, Santiago"] [Black "Brito Carrascal, Camilo Andres"] [Result "1-0"] [ECO "A00"] [WhiteElo "2088"] [BlackElo "1678"] [PlyCount "105"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 b5 7. O-O Bb7 8. Re1 Nc6 9. Bf3 Ne5 10. Bf4 d6 11. Bg3 b4 12. Na4 Nf6 13. b3 Be7 14. Qd2 a5 15. Rac1 Ba6 16. c4 Rd8 17. Bd1 Bb7 18. Bc2 Nh5 19. f4 Nxg3 20. hxg3 Nd7 21. Nb5 Qb8 22. Qf2 Nc5 23. Nxc5 dxc5 24. Rcd1 O-O 25. e5 Rxd1 26. Rxd1 Rd8 27. Kh2 Rxd1 28. Bxd1 Bc6 29. Qf1 f6 30. Bg4 Kf7 31. Qd3 fxe5 32. Qxh7 Bf6 33. Bh5+ Ke7 34. Qg6 Be8 35. Qxe8+ Qxe8 36. Bxe8 Kxe8 37. Nd6+ Kd7 38. Ne4 exf4 39. Nxc5+ Kd6 40. Nd3 fxg3+ 41. Kxg3 Bc3 42. Kf3 Bd4 43. Ke4 Bf6 44. Nc1 Bb2 45. Ne2 Bf6 46. Nd4 g6 47. Ne2 g5 48. Nd4 Bh8 49. c5+ Kd7 50. c6+ Kd6 51. c7 Kxc7 52. Nxe6+ Kd6 53. Nxg5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.7"] [White "Gonzalez Mojica, Renan Arturo"] [Black "Puerta Rendon, Jacobo"] [Result "1-0"] [ECO "D61"] [WhiteElo "1981"] [BlackElo "1636"] [PlyCount "45"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Qc2 O-O 8. Bd3 h6 9. Bf4 a6 10. c5 Nh5 11. O-O Nxf4 12. exf4 Qc7 13. g3 b6 14. b4 a5 15. a3 Ba6 16. Bxa6 Rxa6 17. Qe2 b5 18. f5 Kh8 19. fxe6 fxe6 20. Qxe6 Rxf3 21. Nxd5 cxd5 22. Qxa6 Qb8 23. Qe6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.8"] [White "Salcedo Rodelo, Brayan"] [Black "Moreno Marino, Juan Nicolas"] [Result "1-0"] [ECO "A00"] [WhiteElo "1619"] [BlackElo "1928"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Be7 5. d4 cxd4 6. Nxd4 h5 7. h4 Qc7 8. Nb5 Qb8 9. Bf4 Ne5 10. Qd4 d6 11. Qc3 Nc6 12. Qxg7 Bf6 13. Nxd6+ Qxd6 14. Qxf6 Nxf6 15. Bxd6 e5 16. Nc3 Bg4 17. Nd5 Kd7 18. Nxf6+ Kxd6 19. Nxg4 hxg4 20. O-O-O+ Ke6 21. Rd5 Rac8 22. Rhd1 Rc7 23. c3 Ke7 24. Kd2 Rd8 25. Ke3 Rg8 26. f3 gxf3 27. Kxf3 f6 28. Bh3 Nb8 29. Bf5 Rh8 30. Rd6 Rc5 31. R1d5 Rc7 32. Ke3 Kf7 33. Rd8 Rxd8 34. Rxd8 Nc6 35. Rd7+ Rxd7 36. Bxd7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.9"] [White "Borre Meza, Orlando David"] [Black "Ramirez Andrade, Leonardo Jesus"] [Result "1-0"] [ECO "E16"] [WhiteElo "1498"] [BlackElo "1795"] [PlyCount "55"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Nh4 Na6 8. cxd5 g6 9. Nc3 Bg7 10. O-O O-O 11. e4 Re8 12. f4 d6 13. a3 Nc7 14. Re1 b5 15. a4 b4 16. Nb5 Nxb5 17. axb5 Qb6 18. e5 Nd7 19. Bh3 Qxb5 20. e6 Nb6 21. exf7+ Kxf7 22. Be6+ Kf8 23. f5 Nxd5 24. f6 Nxf6 25. Qxd6+ Re7 26. Bh6 Qe8 27. Bc4 Ne4 28. Rf1+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.10"] [White "Pena De Lima, Carlos Andres"] [Black "Rodriguez Valencia, Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1455"] [BlackElo "1786"] [PlyCount "74"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. g3 c6 5. Bg2 Bd6 6. O-O O-O 7. Qc2 b6 8. Nc3 Ba6 9. cxd5 cxd5 10. Re1 Nbd7 11. Nd2 Rc8 12. Qa4 Nb8 13. e4 dxe4 14. Ncxe4 Nxe4 15. Bxe4 Qd7 16. Qxd7 Nxd7 17. Bg2 Rc2 18. Be4 Rc7 19. Nb3 Nf6 20. Bf3 Bb4 21. Rd1 Rfc8 22. Bg5 Rc2 23. Bxf6 gxf6 24. Rab1 f5 25. a3 Be7 26. Rdc1 Bf6 27. Bd1 Rxc1 28. Rxc1 Rxc1 29. Nxc1 Bxd4 30. Nb3 Bxb2 31. a4 Bc4 32. Nd2 Bd5 33. Be2 Bc3 34. Nc4 Kf8 35. h4 Ke7 36. f3 Bc6 37. Bd1 b5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.11"] [White "Caballero Marrugo, David Jose"] [Black "Rivera Fernandez, Fredy Alejandro"] [Result "1-0"] [ECO "A00"] [WhiteElo "1759"] [BlackElo "1391"] [PlyCount "45"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 b6 2. c4 c5 3. b3 Bb7 4. Bb2 Nf6 5. d4 cxd4 6. Nxd4 e6 7. a3 Be7 8. e3 d6 9. Be2 O-O 10. O-O Nbd7 11. Nb5 Qb8 12. N1c3 a6 13. Nd4 d5 14. cxd5 Nxd5 15. Nxd5 Bxd5 16. Bf3 Bxf3 17. Qxf3 Ne5 18. Qe4 Bf6 19. Rac1 Qd6 20. Rfd1 Rfd8 21. f4 Ng6 22. Rc6 Qb8 23. Rdc1 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.12"] [White "Conto Garcia, Nicolas Alberto"] [Black "Padilla, Daniel Eduardo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1281"] [BlackElo "1708"] [PlyCount "79"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 c5 9. Bb5+ Bd7 10. Bxd7+ Nxd7 11. c3 O-O 12. O-O Rfd8 13. Qc2 cxd4 14. Nxd4 Rac8 15. Nf3 Ne5 16. Nxe5 Qxe5 17. Rfe1 Qg5 18. Rad1 g6 19. Rxd8+ Rxd8 20. Rd1 Kg7 21. Rxd8 Qxd8 22. Kf1 Qd5 23. c4 Qe5 24. g3 Kf6 25. Qe2 Qf5 26. Kg2 Ke7 27. Qe3 b6 28. b3 h5 29. h4 e5 30. c5 Qe6 31. cxb6 axb6 32. Kf3 f6 33. Ke2 Qc6 34. Kd3 Ke6 35. Qe4 Qd6+ 36. Kc3 f5 37. Qc4+ Kf6 38. a4 g5 39. hxg5+ Kxg5 40. Qg8+ 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.13"] [White "Ortiz Monsalve, Sebastian"] [Black "Olivella Fonseca, Fabio Junior"] [Result "1/2-1/2"] [ECO "C91"] [WhiteElo "1563"] [BlackElo "1753"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Be3 exd4 11. cxd4 Na5 12. Bc2 Nc4 13. Bc1 c5 14. b3 Nb6 15. Bb2 Nfd7 16. Nbd2 cxd4 17. h3 Bh5 18. g4 Bg6 19. Nxd4 Bg5 20. N2f3 Bf4 21. Ne2 Be5 22. Nxe5 dxe5 23. Ng3 Qh4 24. Kg2 Rac8 25. Rc1 Rfe8 26. Nf5 Bxf5 27. exf5 Qg5 28. Be4 Nc5 29. Bd5 Nxd5 30. Qxd5 Red8 31. Rxc5 Rxd5 32. Rxc8+ Rd8 33. Rxd8+ Qxd8 34. Bxe5 Qd5+ 35. Kg3 h6 36. Re3 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.14"] [White "Diaz Larrea, Juan Manuel"] [Black "Rivera Crespo, Victor"] [Result "1-0"] [ECO "A00"] [WhiteElo "1748"] [PlyCount "41"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. O-O Nxd4 6. Nxd4 exd4 7. Bxd7+ Qxd7 8. Qxd4 Ne7 9. c4 Nc6 10. Qc3 O-O-O 11. Be3 Kb8 12. b4 f6 13. a4 g6 14. b5 Ne5 15. a5 b6 16. Nd2 Bg7 17. Qa3 f5 18. axb6 cxb6 19. Bxb6 axb6 20. Qa8+ Kc7 21. Ra7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.15"] [White "Sanchez Cabarcas, Samuel Alejandro"] [Black "Carvajal Barreto, Misael Camilo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1652"] [BlackElo "1685"] [PlyCount "31"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. Qe2 b6 3. d4 Bb7 4. a3 d5 5. exd5 Bxd5 6. c4 Bc6 7. Nf3 Nf6 8. Nc3 Be7 9. g3 O-O 10. Bg2 Bb7 11. O-O c5 12. Rd1 Nbd7 13. Bf4 Qc8 14. d5 e5 15. Nxe5 Nxe5 16. Bxe5 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.16"] [White "Rueda Ahumada, Gabriel Omar"] [Black "Orostegui Cardona, David Eduardo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1482"] [BlackElo "1633"] [PlyCount "88"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 b6 2. c4 g6 3. g3 Bb7 4. Bg2 Bg7 5. Nc3 e6 6. d4 Ne7 7. b3 O-O 8. Bb2 d5 9. O-O Nd7 10. e3 c5 11. Ne2 dxc4 12. bxc4 cxd4 13. exd4 Rc8 14. Rc1 Re8 15. Qd2 Nf5 16. Qb4 Bf8 17. Qb3 Nd6 18. Rfd1 Ba6 19. Nd2 Bg7 20. Ba3 Nb8 21. Bf1 Nc6 22. Qa4 Na5 23. c5 Nf5 24. Nf3 Qd5 25. Kg2 g5 26. Nc3 Bxf1+ 27. Rxf1 Qb7 28. d5 exd5 29. Qc2 Nh6 30. Nb5 Nc4 31. Qd3 bxc5 32. Rb1 Qa6 33. Bc1 g4 34. Ng5 Qg6 35. Qxd5 Qxb1 36. Qxc4 Qg6 37. Bf4 Bf6 38. h4 gxh3+ 39. Nxh3 Nf5 40. Nc7 Nh4+ 41. Kh1 Qg4 42. Ng1 Rxc7 43. Qb5 Rce7 44. gxh4 Qxf4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.17"] [White "Ramirez Oviedo, Christian Camilo"] [Black "Zapata Polo, Orlando Jose"] [Result "1-0"] [ECO "C48"] [WhiteElo "1689"] [BlackElo "1195"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Bxc6 dxc6 7. Nxe5 Re8 8. Nd3 Qd4 9. Nxc5 Qxc5 10. d4 Qb6 11. e5 Nd5 12. Ne4 Re6 13. f4 Rg6 14. f5 Bxf5 15. Rxf5 Rd8 16. c3 Ne7 17. Rf1 c5 18. Qb3 Qc6 19. Qxf7+ Kh8 20. Qxe7 Rg8 21. Ng3 h5 22. Qxc5 Qe6 23. Rf5 h4 24. Rh5+ Rh6 25. Bxh6 gxh6 26. Nf5 Rxg2+ 27. Kxg2 Qg6+ 28. Ng3 hxg3 29. Qf8+ Kh7 30. Rf5 Qc6+ 31. Kxg3 Qg6+ 32. Kh3 h5 33. Rf7+ Qxf7 34. Qxf7+ Kh8 35. Rg1 h4 36. Qg7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.18"] [White "Merino Vanegas, Santiago Andres"] [Black "Echeverry Betancur, Jorge Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1136"] [BlackElo "1648"] [PlyCount "84"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Bb3 Bd7 10. h4 h5 11. Qd2 Na5 12. O-O-O Rc8 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Bh6 Nxe4 16. fxe4 Rxd4 17. Qe3 Rxd1+ 18. Rxd1 Bxh6 19. Qxh6 Be6 20. Qg5 Qc7 21. Nd5 Bxd5 22. exd5 Rc8 23. c3 Qd7 24. Ka1 Kg7 25. Re1 Re8 26. Qe3 Qa4 27. g3 e6 28. b3 Qa5 29. c4 a6 30. Rf1 Qd8 31. Qd4+ e5 32. Qf2 Qe7 33. Kb1 e4 34. Qe3 Qe5 35. Kc2 b5 36. Qc3 Qxc3+ 37. Kxc3 bxc4 38. bxc4 Rb8 39. Rf4 f5 40. Rf1 Kf6 41. Rf4 Rb1 42. Rf2 Rg1 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.19"] [White "Payares Diaz, Alejandro"] [Black "Gamarra Pardo, Sebastian Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1427"] [BlackElo "1369"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 g6 5. Nf3 Bg7 6. Be3 Nc6 7. Nbd2 d6 8. O-O Nf6 9. h3 O-O 10. Qc2 a6 11. Rad1 Bd7 12. Rfe1 Qc7 13. Bf4 Nh5 14. Bh2 Rac8 15. a3 b5 16. Rc1 e6 17. Red1 Rfd8 18. Be2 e5 19. Nf1 Be6 20. b4 h6 21. c4 Ne7 22. c5 dxc5 23. Rxd8+ Rxd8 24. Qxc5 Qxc5 25. bxc5 Nc6 26. N1d2 Nf4 27. Bxf4 exf4 28. Nb1 Rc8 29. a4 Nd4 30. Nxd4 Bxd4 31. c6 bxa4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.20"] [White "Norena Marin, Jeronimo"] [Black "Castro Herrera, Juan Sebastian"] [Result "1-0"] [ECO "A00"] [WhiteElo "1368"] [BlackElo "1375"] [PlyCount "51"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. h3 O-O 6. Bd3 Bd7 7. O-O Nc6 8. c3 a5 9. Nbd2 a4 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 a3 13. b3 e6 14. Re1 Re8 15. Qd2 f5 16. Bd3 Ne7 17. Bg5 Kf7 18. Bc4 Rh8 19. Qe2 Kf8 20. Bxe6 Bxe6 21. Qxe6 Qe8 22. Bxe7+ Qxe7 23. Qxe7+ Kg8 24. Ng5 Rf8 25. Qe6+ Rf7 26. Qxf7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.21"] [White "Varela Sanchez, David Yoel"] [Black "Balza Gil, Salvatore"] [Result "1-0"] [ECO "A00"] [WhiteElo "1342"] [BlackElo "1033"] [PlyCount "91"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qd2 a6 8. Bd3 d6 9. O-O Nge7 10. Kh1 Ne5 11. f3 Qg6 12. Qe2 N7c6 13. Nd5 O-O 14. Nxb6 cxb6 15. Be3 b5 16. Rad1 Be6 17. a3 Rad8 18. Nc1 Rd7 19. Qe1 Nxd3 20. Nxd3 Ne5 21. Nf4 Qf6 22. Qg3 Ng6 23. Nd3 Ne5 24. Bd4 Qg6 25. Nxe5 Qxg3 26. hxg3 dxe5 27. Bxe5 Rxd1 28. Rxd1 f6 29. Bc3 f5 30. e5 f4 31. Rd6 Bc8 32. gxf4 g5 33. fxg5 Re8 34. f4 Kf7 35. Rf6+ Kg8 36. f5 a5 37. g4 b4 38. axb4 axb4 39. Bxb4 Rxe5 40. Rf8+ Kg7 41. Rxc8 h6 42. Rc7+ Kg8 43. gxh6 Rxf5 44. gxf5 b5 45. h7+ Kh8 46. Bc3# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.22"] [White "Sepulveda Navarro, Danilson David"] [Black "Diaz Avila, Jarett Alexander"] [Result "0-1"] [ECO "A00"] [BlackElo "1298"] [PlyCount "30"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. f4 d6 3. fxe5 dxe5 4. Nf3 Nc6 5. Nc3 Bc5 6. Bb5 Bg4 7. h3 Bd7 8. Bxc6 Bxc6 9. Nxe5 Qh4+ 10. g3 Qxg3+ 11. Ke2 Qxe5 12. d3 Qh5+ 13. Ke1 Qh4+ 14. Kd2 Qf4+ 15. Ke1 Qf2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.23"] [White "Toncel Diaz, Carlos De Jesus"] [Black "Viasus, Juan Diego"] [Result "0-1"] [ECO "A00"] [BlackElo "1272"] [PlyCount "46"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nc3 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. e4 g6 7. Be3 d5 8. f3 Bg7 9. e5 Nd7 10. f4 e6 11. g4 a6 12. g5 c5 13. Bg2 Rb8 14. Bf2 Rxb2 15. h4 Qb6 16. Rb1 Qa5 17. Qd2 d4 18. Ke2 dxc3 19. Qd3 Qxa2 20. Bc6 Rxb1 21. Rxb1 Qxb1 22. Bxd7+ Bxd7 23. Bxc5 Bb5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.24"] [White "Serrano Arrieta, Cristian"] [Black "Rueda Ahumada, Daniel Alejandro"] [Result "1-0"] [ECO "A00"] [WhiteElo "1234"] [BlackElo "1340"] [PlyCount "67"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nf6 5. Nge2 O-O 6. O-O d6 7. h3 Be6 8. Kh2 d5 9. exd5 Nxd5 10. d3 Nxc3 11. bxc3 Bd5 12. f4 Bxg2 13. Kxg2 Qd5+ 14. Kh2 Rad8 15. f5 e4 16. d4 Bb6 17. c4 Qxc4 18. c3 Ba5 19. Qb3 Qxe2+ 20. Kg1 Rd6 21. Bf4 Rf6 22. Rae1 Qd3 23. Re3 Qd2 24. d5 Ne7 25. Rxe4 Qd3 26. Rxe7 Rxf5 27. Rd1 Bb6+ 28. Kg2 Qa6 29. c4 Ba5 30. Bxc7 Bxc7 31. Rxc7 Rf2+ 32. Kxf2 Qb6+ 33. Qxb6 axb6 34. Rxb7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.25"] [White "Torres Charris, Havid Jose"] [Black "Sepulveda Brango, Alberto Enrique"] [Result "1/2-1/2"] [ECO "A00"] [BlackElo "1231"] [PlyCount "30"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. O-O Bd6 6. Re1 O-O 7. Nbd2 Bg4 8. h3 Bh5 9. c4 d4 10. a3 a5 11. Nh2 Re8 12. Qa4 Qd7 13. Ndf1 e4 14. Bg5 Bg6 15. Bxf6 gxf6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.26"] [White "De La Hoz Paternina, Felix Daniel"] [Black "De La Ossa, Madera Ethan"] [Result "1-0"] [ECO "A00"] [WhiteElo "1362"] [BlackElo "1473"] [PlyCount "103"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 Nf6 3. cxd5 Bf5 4. Nc3 Nxd5 5. Nf3 e6 6. Qb3 Nc6 7. a3 Na5 8. Qa4+ c6 9. e3 a6 10. Be2 b5 11. Qd1 Bd6 12. Nd2 e5 13. e4 Nxc3 14. bxc3 Bg6 15. O-O O-O 16. f3 Qb6 17. Bb2 Rfe8 18. Kh1 f6 19. Bd3 Rad8 20. Nb3 Kh8 21. Nxa5 Qxa5 22. Qc2 Qb6 23. Qf2 Bc7 24. a4 a5 25. axb5 cxb5 26. d5 b4 27. Qxb6 Bxb6 28. Bb5 Re7 29. Rfd1 Rd6 30. cxb4 axb4 31. Ra4 h6 32. Rxb4 Be8 33. Bxe8 Rxe8 34. Rc4 Red8 35. Rdc1 Kh7 36. Rc6 R8d7 37. Ba3 Rxc6 38. Rxc6 Bd8 39. Rd6 Rxd6 40. Bxd6 Kg8 41. Kg1 Kf7 42. Kf2 g5 43. Kg3 h5 44. h4 Kg6 45. hxg5 Kxg5 46. f4+ exf4+ 47. Bxf4+ Kg6 48. Kf3 Kg7 49. Ke3 Kf7 50. Bb8 Ke7 51. Kf4 h4 52. Kf5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.27"] [White "Alzate Araujo, Miguel Angel"] [Black "Gonzalez Rodriguez, Jose David"] [Result "0-1"] [ECO "A00"] [WhiteElo "1217"] [PlyCount "60"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. a3 cxd4 6. axb4 dxc3 7. bxc3 d5 8. e3 O-O 9. Bd3 dxc4 10. Bxc4 Qc7 11. Ba2 b6 12. Bb2 Bb7 13. Nf3 Nbd7 14. O-O Be4 15. Qe2 Ng4 16. g3 Qb7 17. Nh4 Nge5 18. Bb1 Bf3 19. Qc2 f5 20. Ba2 Rf6 21. Nxf5 Be4 22. Nd6 Nf3+ 23. Kg2 Ng5+ 24. Nxe4 Nxe4 25. f3 Ng5 26. e4 Raf8 27. c4 Rxf3 28. Qd2 Rxf1 29. Rxf1 Qxe4+ 30. Kg1 Nh3# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "4.28"] [White "Malagon De Avila, Matias Alberto"] [Black "Mercado Florez, Diego Armando"] [Result "0-1"] [ECO "A00"] [BlackElo "1263"] [PlyCount "42"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d3 d6 6. Bg5 h6 7. Nc3 hxg5 8. Nxg5 Be6 9. Bxe6 fxe6 10. Nxe6 Qe7 11. Nxc5 dxc5 12. Nb5 O-O-O 13. Qe1 Ng4 14. Qe2 Qh4 15. h3 Nf6 16. Qe3 a6 17. Qxc5 axb5 18. Qxb5 Qf4 19. g3 Qf3 20. Rae1 Rxh3 21. Qa4 Qh1# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.1"] [White "Vargas Viscaino, Jesus Daniel"] [Black "Sanchez Arroyave, Juan Pablo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1892"] [BlackElo "2079"] [PlyCount "87"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. b3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bb2 Bb4+ 7. c3 Be7 8. c4 Nf6 9. Bd3 b6 10. O-O Bb7 11. Qe2 d6 12. Nc3 Nbd7 13. Rae1 O-O 14. Kh1 Rfe8 15. f4 Nc5 16. Bc2 d5 17. cxd5 exd5 18. exd5 Rad8 19. b4 Ncd7 20. Qd3 Bxb4 21. Nf5 Rxe1 22. Rxe1 Qxf4 23. Rf1 Qg4 24. Ne3 Qh4 25. Nf5 Qg4 26. Bd1 Qg5 27. h4 Qg6 28. Qc4 Bc5 29. Bc2 Kh8 30. Ne3 Qh5 31. Rf5 Qh6 32. Nf1 b5 33. Qf4 Qxf4 34. Rxf4 b4 35. Ne4 Nxd5 36. Rxf7 N5f6 37. Nxf6 gxf6 38. Ba4 Bc8 39. Rxf6 Kg8 40. Bb3+ Kg7 41. Rf5+ Kh6 42. Ng3 Rf8 43. Rh5+ Kg6 44. Rg5+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.2"] [White "Hernandez, Jeronimo"] [Black "Mesa Baez, Samuel"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "2141"] [BlackElo "1907"] [PlyCount "47"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. c4 e5 4. Nc3 g6 5. d3 Bg7 6. Be2 Nge7 7. O-O O-O 8. Nd5 h6 9. Bd2 d6 10. Rb1 a5 11. a3 Nxd5 12. cxd5 Nd4 13. Nxd4 cxd4 14. f4 f5 15. fxe5 Bxe5 16. Bf4 fxe4 17. Bxe5 dxe5 18. Rxf8+ Qxf8 19. dxe4 Bd7 20. Qd2 Rc8 21. Bd3 b6 22. Rf1 Qg7 23. h3 g5 24. Ba6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.4"] [White "Ospina Castro, Santiago"] [Black "Caballero Marrugo, David Jose"] [Result "0-1"] [ECO "A00"] [WhiteElo "2088"] [BlackElo "1759"] [PlyCount "66"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 Nf6 2. b3 b6 3. g3 Bb7 4. Bb2 g5 5. Bxf6 exf6 6. Bg2 h5 7. c4 h4 8. Nxh4 Qc8 9. Nf3 g4 10. Nh4 Rxh4 11. gxh4 Bxg2 12. Rg1 Qb7 13. Nc3 Bd6 14. f3 Bh3 15. Qc2 Na6 16. Nd5 O-O-O 17. fxg4 Bxh2 18. O-O-O Bxg1 19. Rxg1 c6 20. Nf4 Qc7 21. Nxh3 Qh2 22. Qd3 Re8 23. Re1 Nb4 24. Qf3 Nxa2+ 25. Kb1 Qd6 26. Kc2 Qa3 27. Ra1 Rxe2 28. Qxf6 Qa5 29. Qh8+ Kc7 30. Qd4 d6 31. Nf4 Rh2 32. h5 Nb4+ 33. Kb2 Qxa1+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.5"] [White "Salcedo Rodelo, Brayan"] [Black "Gonzalez Mojica, Renan Arturo"] [Result "0-1"] [ECO "B06"] [WhiteElo "1619"] [BlackElo "1981"] [PlyCount "64"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 a6 5. Nf3 b5 6. a3 Bb7 7. Bd3 Nd7 8. Be3 Ngf6 9. e5 Nd5 10. Nxd5 Bxd5 11. O-O O-O 12. Nd2 c5 13. c3 cxd4 14. cxd4 Nb6 15. Qe2 Rc8 16. Rac1 Qd7 17. f5 Rxc1 18. Rxc1 Rc8 19. Rf1 dxe5 20. dxe5 Bc4 21. Nxc4 Nxc4 22. Bxc4 Rxc4 23. f6 exf6 24. exf6 Bf8 25. Rd1 Qe6 26. Qf2 Re4 27. Bd4 h5 28. h3 Bd6 29. b4 Re2 30. Qf3 Re1+ 31. Rxe1 Qxe1+ 32. Qf1 Bh2+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.6"] [White "Rodriguez Valencia, Sebastian"] [Black "Borre Meza, Orlando David"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1786"] [BlackElo "1498"] [PlyCount "67"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nf3 Be7 4. Nc3 Nf6 5. Bg5 O-O 6. e3 b6 7. Bd3 Bb7 8. O-O Nbd7 9. Rc1 c5 10. Qe2 Ne4 11. Bf4 Ndf6 12. Rfd1 cxd4 13. exd4 Rc8 14. Ne5 Nd6 15. b3 Nde4 16. Ng4 Nxg4 17. Qxg4 f5 18. Qh5 Bf6 19. Ne2 Qe7 20. Bxe4 dxe4 21. Qh3 g5 22. Be5 Qg7 23. Bd6 Rfd8 24. c5 Ba6 25. Ng3 Bxd4 26. Nh5 Bxf2+ 27. Kxf2 Qb2+ 28. Kg1 Rxd6 29. Nf6+ Kf7 30. Qxh7+ Kxf6 31. Qh6+ Kf7 32. Qh7+ Kf6 33. Qh6+ Kf7 34. Qh7+ 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.7"] [White "Orostegui Cardona, David Eduardo"] [Black "Cordoba Roa, Angel Gabriel"] [Result "0-1"] [ECO "B51"] [WhiteElo "1633"] [BlackElo "2106"] [PlyCount "80"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. Nc3 g6 6. d3 Bg7 7. O-O O-O 8. Ne1 a6 9. Bc4 Rb8 10. f4 Ne8 11. Nd5 b5 12. axb5 axb5 13. Bb3 Nb6 14. c3 Nxd5 15. Bxd5 c4 16. Be3 Bd7 17. e5 dxe5 18. Ba7 Rc8 19. Bb7 Rc7 20. Bb6 Qb8 21. Bxc7 Qxc7 22. Ba8 exf4 23. dxc4 bxc4 24. Qe2 Be5 25. Nf3 Bd6 26. Kh1 Nf6 27. Nd2 Rc8 28. Bf3 h5 29. h3 Kg7 30. Ne4 Nxe4 31. Bxe4 f5 32. Bd5 Qc5 33. Be6 Bxe6 34. Qxe6 Rb8 35. Ra4 Rxb2 36. Rxc4 f3 37. Rxc5 fxg2+ 38. Kg1 Bh2+ 39. Kxh2 gxf1=Q+ 40. Kg3 Qf2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.8"] [White "Cordoba Perez, Jeronimo"] [Black "Conto Garcia, Nicolas Alberto"] [Result "1-0"] [ECO "A00"] [WhiteElo "1838"] [BlackElo "1281"] [PlyCount "97"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 b6 2. Nc3 Bb7 3. e4 e6 4. d4 g6 5. f4 Bg7 6. Nf3 Nf6 7. Bd3 O-O 8. O-O d6 9. Qe1 Nc6 10. h3 Ba6 11. b3 Nb4 12. Bb1 d5 13. e5 Nd7 14. a3 Nc6 15. cxd5 Bxf1 16. dxc6 Nb8 17. Kxf1 Nxc6 18. Be3 Ne7 19. Be4 Rc8 20. b4 c6 21. Nd2 Nd5 22. Nc4 f6 23. Kg1 Bh6 24. Nd6 Rc7 25. g3 f5 26. Bxd5 cxd5 27. h4 a6 28. Bd2 Qb8 29. Qe2 Qa7 30. a4 Rd8 31. Kf2 Bf8 32. Ncb5 axb5 33. Nxb5 Qb8 34. Nxc7 Qxc7 35. Rc1 Qb7 36. Qb5 Rc8 37. Rxc8 Qxc8 38. Qd3 Be7 39. a5 bxa5 40. bxa5 Qa8 41. a6 Bd8 42. Qb5 Qa7 43. Ke3 Bb6 44. Bc3 Kf7 45. Kd3 Ke7 46. Bb4+ Kd8 47. Bc5 Kc7 48. Kc3 Qb8 49. Bd6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.9"] [White "Padilla, Daniel Eduardo"] [Black "Rico Duran, Juan Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1708"] [BlackElo "1828"] [PlyCount "78"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Be2 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O Nbd7 11. Re1 a6 12. b4 Nd5 13. Nxd5 cxd5 14. Rc1 Rc8 15. Qd2 Nb6 16. Rxc8 Bxc8 17. Rc1 Nc4 18. Bxc4 dxc4 19. a4 Bb7 20. Ne1 e5 21. Bg3 exd4 22. exd4 Qxd4 23. Qxd4 Bxd4 24. axb5 axb5 25. Nc2 Bf6 26. Rd1 Be4 27. Ne3 c3 28. f3 c2 29. Rc1 Bb2 30. Rxc2 Bxc2 31. Nxc2 Rc8 32. Ne3 Bd4 33. Bf2 Rc1+ 34. Nf1 Bxf2+ 35. Kxf2 Rb1 36. Ne3 Rb2+ 37. Kg3 Rxb4 38. Nd5 Rc4 39. Nb6 Rd4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.10"] [White "Carvajal Barreto, Johan Sebastian"] [Black "Diaz Larrea, Juan Manuel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1771"] [BlackElo "1748"] [PlyCount "50"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nf3 O-O 9. O-O Re8 10. Qc2 Ne4 11. Nxe4 dxe4 12. Bxe4 Bxg5 13. Bxh7+ Kh8 14. Qf5 Bh6 15. Qxf7 Kxh7 16. Qf5+ Kg8 17. Rfe1 Ne5 18. Qe4 Nxf3+ 19. Qxf3 Qf6 20. Qe2 Bf5 21. Qc4+ Qf7 22. Qb4 Rad8 23. a3 Re6 24. Rac1 Rg6 25. f3 Bh3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.11"] [White "Moreno Marino, Juan Nicolas"] [Black "Pena De Lima, Carlos Andres"] [Result "1-0"] [ECO "A00"] [WhiteElo "1928"] [BlackElo "1455"] [PlyCount "67"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 Nf6 2. Nc3 d6 3. d4 g6 4. e4 Bg7 5. h3 O-O 6. Be3 e5 7. d5 Na6 8. Nf3 Nc5 9. Nd2 a5 10. Be2 h6 11. g4 c6 12. h4 Nh7 13. Qc2 cxd5 14. cxd5 f5 15. gxf5 gxf5 16. O-O-O f4 17. Bxc5 dxc5 18. Rdg1 Bd7 19. a4 Rf6 20. Bg4 Rg6 21. Bxd7 Rxg1+ 22. Rxg1 Qxd7 23. Qd1 Qe7 24. Qg4 Kh8 25. d6 Qf7 26. Nd5 Nf8 27. Nc4 Ne6 28. Qf5 Qxf5 29. exf5 Nd4 30. Re1 Nxf5 31. d7 Rd8 32. Ncb6 Kg8 33. Nxf4 Kf7 34. Nd3 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.12"] [White "Ramirez Andrade, Leonardo Jesus"] [Black "Gamarra Pardo, Sebastian Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1795"] [BlackElo "1369"] [PlyCount "56"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. Nc3 d6 8. O-O Nf6 9. Qd3 O-O 10. Be3 Bd7 11. Rad1 Qc7 12. f4 Ng4 13. f5 Nxe3 14. Qxe3 Qb6 15. Qxb6 axb6 16. Rf3 b5 17. Bb3 Be5 18. a3 Kg7 19. Rdf1 e6 20. g4 c5 21. Nd1 c4 22. Ba2 Bc6 23. Re1 exf5 24. gxf5 Rae8 25. c3 Bxe4 26. Rxe4 Bxh2+ 27. Kxh2 Rxe4 28. Ne3 Rfe8 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.13"] [White "Rivera Fernandez, Fredy Alejandro"] [Black "Olivella Fonseca, Fabio Junior"] [Result "0-1"] [ECO "A00"] [WhiteElo "1391"] [BlackElo "1753"] [PlyCount "76"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. O-O b5 8. Bc2 Bg7 9. h3 O-O 10. Re1 h6 11. Nbd2 Nh7 12. Nf1 Kh8 13. d4 f5 14. Ne3 f4 15. Nd5 Ne7 16. Nh4 Rf6 17. Nxf6 Bxf6 18. Nf3 Qe8 19. Kh2 g5 20. g4 fxg3+ 21. fxg3 g4 22. dxe5 dxe5 23. Nxe5 Bxe5 24. hxg4 Qg8 25. Bb3 Qg7 26. Qd8+ Nf8 27. Rf1 Bb7 28. Qd2 Ng8 29. Bxg8 Kxg8 30. Qxh6 Qxg4 31. Bf4 Qe2+ 32. Kg1 Qxe4 33. Rf2 Bxf4 34. gxf4 Kf7 35. Kh2 Ng6 36. Qh7+ Kf6 37. Qxc7 Rh8+ 38. Kg3 Qe3+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.14"] [White "Diaz Avila, Jarett Alexander"] [Black "Ramirez Oviedo, Christian Camilo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1298"] [BlackElo "1689"] [PlyCount "85"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 c5 3. Nf3 Nf6 4. Nc3 cxd4 5. Nxd4 d6 6. Bg5 Nc6 7. Bb5 Bd7 8. O-O Be7 9. Kh1 O-O 10. Re1 Nxe4 11. Nxe4 Bxg5 12. Nxd6 Qb6 13. Bxc6 Bxc6 14. Nxc6 bxc6 15. Ne4 Rfd8 16. Qf3 Bd2 17. Red1 Qxb2 18. Nxd2 Rxd2 19. Rxd2 Qxa1+ 20. Rd1 Qf6 21. Qxc6 Rd8 22. Rxd8+ Qxd8 23. Qf3 h6 24. h3 Qd4 25. c3 Qa4 26. Qe2 a5 27. c4 Qa3 28. Qc2 Qc5 29. Kg1 Kf8 30. Qb3 Qb4 31. Qd3 Qe1+ 32. Kh2 Ke7 33. Qg3 Kf6 34. Qf4+ Ke7 35. c5 e5 36. Qg3 g6 37. Qh4+ Kd7 38. Qf6 Ke8 39. c6 Qc3 40. f4 h5 41. fxe5 h4 42. Qh8+ Ke7 43. Qxh4+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.15"] [White "Carvajal Barreto, Misael Camilo"] [Black "Norena Marin, Jeronimo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1685"] [BlackElo "1368"] [PlyCount "87"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 g6 2. g3 Bg7 3. Bg2 d6 4. Nf3 Nd7 5. O-O e5 6. dxe5 dxe5 7. Nc3 Ne7 8. e4 O-O 9. Qe2 c6 10. b3 f5 11. Ng5 Nb6 12. Be3 Qe8 13. Rad1 h6 14. Nf3 g5 15. Nd2 f4 16. Bc5 Nd7 17. Ba3 b5 18. g4 Nf6 19. h3 a5 20. Bc5 Ba6 21. b4 axb4 22. Bxb4 c5 23. Ncb1 cxb4 24. Nb3 Rc8 25. Rd2 Nd7 26. Rd6 Bb7 27. Qxb5 Bc6 28. Qxb4 Rf6 29. Rd2 Bf8 30. Rfd1 Ng6 31. Qa5 f3 32. Bf1 Ra8 33. Qc7 Rc8 34. Qa7 Ra8 35. Qe3 Rxa2 36. Nc3 Ra8 37. Bc4+ Kg7 38. Bd5 Bxd5 39. Nxd5 Rc6 40. Qxf3 Nf4 41. Nxf4 exf4 42. Rxd7+ Be7 43. Qd3 Rd8 44. Rxd8 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.16"] [White "Brito Carrascal, Camilo Andres"] [Black "Varela Sanchez, David Yoel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1678"] [BlackElo "1342"] [PlyCount "53"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nb5 Bc5 6. f4 Qd8 7. N5c3 Nge7 8. Nd2 O-O 9. Nb3 Bb4 10. Bd2 d5 11. Bd3 dxe4 12. Nxe4 Re8 13. O-O Nf5 14. Re1 Nh6 15. h3 Be6 16. Qh5 f6 17. Bxb4 Nxb4 18. Rad1 Qc8 19. Nxf6+ gxf6 20. Qxh6 Nxd3 21. Rxd3 Bf5 22. Rg3+ Bg6 23. Rxe8+ Qxe8 24. f5 Qe5 25. fxg6 Qxg3 26. Qxh7+ Kf8 27. Qf7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.17"] [White "Echeverry Betancur, Jorge Andres"] [Black "Serrano Arrieta, Cristian"] [Result "1-0"] [ECO "A00"] [WhiteElo "1648"] [BlackElo "1234"] [PlyCount "95"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Bb7 9. Ba4 h6 10. Ne4 Nxe4 11. Qxe4 Qd4 12. Qxd4 exd4 13. d3 Kd7 14. Bd2 Re8+ 15. Kd1 Re5 16. b4 Rf5 17. f3 Be7 18. bxa5 Bg5 19. Re1 Rd8 20. Bb3 Kc7 21. Na3 Bxd2 22. Kxd2 Rxa5 23. Nc4 Rg5 24. g3 f6 25. Re7+ Rd7 26. Rae1 Rf5 27. f4 g5 28. Rxd7+ Kxd7 29. Nb2 Kc7 30. Re7+ Kb8 31. Nc4 Rd5 32. fxg5 hxg5 33. Rf7 f5 34. Rg7 g4 35. c3 dxc3+ 36. Kxc3 Ba6 37. d4 Bxc4 38. Bxc4 Rd6 39. Rf7 Rh6 40. Rxf5 Rxh2 41. Rg5 Rh1 42. Rxg4 Rc1+ 43. Kb4 a5+ 44. Kc5 Kc7 45. Rg7+ Kc8 46. g4 Kd8 47. g5 Ke8 48. g6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.18"] [White "Puerta Rendon, Jacobo"] [Black "Sanchez Cabarcas, Samuel Alejandro"] [Result "1-0"] [ECO "C89"] [WhiteElo "1636"] [BlackElo "1652"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Qf3 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Bxd5 cxd5 16. d4 Be6 17. Bf4 Qf5 18. Nd2 Be7 19. Rac1 g5 20. Qh5 f6 21. Re3 Ra7 22. Qe2 Bf7 23. Rxe7 Rxe7 24. Qxe7 gxf4 25. Qd6 Re8 26. gxf4 Re2 27. Nf1 Qg4+ 28. Ng3 Qf3 29. Nxe2 Qxe2 30. Qxf6 Qg4+ 31. Kf1 Qh3+ 32. Ke2 Bg6 33. Qd8+ Kf7 34. Qxd5+ Kf8 35. f5 Bxf5 36. Qf3 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.19"] [White "Viasus, Juan Diego"] [Black "Ortiz Monsalve, Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1272"] [BlackElo "1563"] [PlyCount "102"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 Bd6 5. Bg3 c5 6. c3 Qc7 7. Ne5 Nbd7 8. f4 Ne4 9. Nd2 Nxd2 10. Qxd2 f6 11. Nf3 c4 12. Be2 b5 13. O-O O-O 14. Rae1 a5 15. Bd1 f5 16. Ne5 Nxe5 17. fxe5 Be7 18. Bf3 Bd7 19. Be2 Be8 20. Rb1 b4 21. Bd1 Ra7 22. Bc2 g5 23. h3 h5 24. Bh2 h4 25. Bd1 Rb7 26. Be2 Bd8 27. Rfc1 b3 28. a3 Qh7 29. Rf1 Rg7 30. Qd1 Qh6 31. Qd2 g4 32. hxg4 fxg4 33. Rxf8+ Kxf8 34. Rf1+ Kg8 35. Bf4 Qh5 36. Qd1 h3 37. g3 Kh8 38. Kh2 Bf7 39. Rf2 Bg8 40. Qg1 a4 41. Rf1 Bh7 42. Re1 Rb7 43. Rc1 Be7 44. Ra1 Qf5 45. Bd1 Bf8 46. Kh1 Qd3 47. Qf2 Bf5 48. Kh2 Bxa3 49. Rxa3 Qxd1 50. Rxa4 Be4 51. Ra8+ Kh7 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.20"] [White "Rivera Crespo, Victor"] [Black "De La Hoz Paternina, Felix Daniel"] [Result "0-1"] [ECO "A00"] [BlackElo "1362"] [PlyCount "76"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nc6 5. Nf3 Bg4 6. Be2 Nf6 7. O-O e6 8. Bg5 Be7 9. Ne5 Bxe2 10. Nxe2 O-O 11. c3 Rb8 12. Bf4 Bd6 13. Nd3 b5 14. Bxd6 Qxd6 15. Nc5 b4 16. Rb1 bxc3 17. bxc3 Na5 18. Qa4 Nc4 19. Nb3 Ne4 20. f3 Nf6 21. Nec1 Nd7 22. Nd3 Rfc8 23. Nbc5 Ndb6 24. Qd1 Ne3 25. Qe2 Nxf1 26. Qxf1 Nc4 27. Qc1 Rxb1 28. Qxb1 Qb8 29. Qb3 Na5 30. Qc2 Qb6 31. Nb4 Nb7 32. Nbd3 Nxc5 33. Nxc5 Rb8 34. Qb3 Qd6 35. Qc2 f6 36. g3 e5 37. Kf2 g6 38. g4 exd4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.21"] [White "Sepulveda Brango, Alberto Enrique"] [Black "Rueda Ahumada, Gabriel Omar"] [Result "1-0"] [ECO "A00"] [WhiteElo "1231"] [BlackElo "1482"] [PlyCount "109"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 dxc6 7. Nc3 Bd7 8. Bd3 O-O-O 9. Qe2 Kb8 10. Bd2 Nh6 11. f3 Rhe8 12. O-O-O Nf5 13. Na4 Bd4 14. Bc3 Bxc3 15. Nxc3 Nd4 16. Qf2 c5 17. Kb1 Qb6 18. Nd5 Qa5 19. Qd2 Qxd2 20. Rxd2 f5 21. c3 fxe4 22. Bxe4 Nf5 23. Rhd1 Nd6 24. Nf4 Kc8 25. Bc2 Nc4 26. Rxd7 Rxd7 27. Bf5 Red8 28. Bxd7+ Rxd7 29. Rxd7 Kxd7 30. Kc1 Kd6 31. b3 Ne3 32. Kd2 Nf5 33. g4 Ne7 34. Ke3 Ke5 35. Nd3+ Kd5 36. c4+ Kd6 37. h4 g6 38. Nf4 c6 39. h5 Ke5 40. hxg6 hxg6 41. Nd3+ Kd6 42. Kf4 b5 43. Kg5 a5 44. Nf4 Ke5 45. Nxg6+ Nxg6 46. Kxg6 Kd4 47. f4 bxc4 48. bxc4 Kxc4 49. f5 Kd3 50. f6 c4 51. f7 c3 52. f8=Q c2 53. Qf1+ Kd2 54. Qf2+ Kd1 55. Qd4+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.22"] [White "Zapata Polo, Orlando Jose"] [Black "Torres Charris, Havid Jose"] [Result "0-1"] [ECO "A00"] [WhiteElo "1195"] [PlyCount "42"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nc6 5. d4 cxd4 6. Nxd4 e6 7. Nxc6 bxc6 8. Bc4 d5 9. Bd3 Bb7 10. O-O Nf6 11. Bg5 h6 12. Bf4 Nd7 13. exd5 cxd5 14. Re1 Bb4 15. Re2 Rc8 16. Nxd5 Bxd5 17. Bxa6 Ra8 18. Qxd5 Rxa6 19. Qd4 Bf8 20. b4 Be7 21. Qc4 Qa8 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.23"] [White "De La Ossa, Madera Ethan"] [Black "Merino Vanegas, Santiago Andres"] [Result "1/2-1/2"] [ECO "B50"] [WhiteElo "1473"] [BlackElo "1136"] [PlyCount "95"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 Nc6 5. d3 a6 6. a4 e6 7. h3 Be7 8. Bf4 d5 9. Bb3 O-O 10. O-O b6 11. e5 Nd7 12. Re1 Na5 13. Ba2 Rb8 14. b3 b5 15. Qd2 b4 16. Ne2 Nb6 17. Rac1 d4 18. Ng3 Bb7 19. Ne4 Bxe4 20. Rxe4 Nd5 21. Ree1 Nxf4 22. Qxf4 Nc6 23. Rcd1 h6 24. Qe4 Na5 25. Nd2 Qd7 26. Nc4 Nxc4 27. dxc4 a5 28. Rd3 Qb7 29. Qg4 Kh7 30. Rg3 Rg8 31. f4 Rbf8 32. f5 Qc8 33. fxe6 Qxe6 34. Qe4+ f5 35. exf6+ Qxe4 36. Rxe4 Bxf6 37. h4 Re8 38. Rgg4 Re5 39. Rxe5 Bxe5 40. g3 Re8 41. Bb1 Kg8 42. Kg2 Re7 43. Re4 Bf6 44. Kf3 Kf7 45. Rxe7+ Kxe7 46. h5 Ke6 47. Ke4 Bg5 48. g4 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.24"] [White "Balza Gil, Salvatore"] [Black "Gonzalez Rodriguez, Jose David"] [Result "1-0"] [ECO "A00"] [WhiteElo "1033"] [PlyCount "82"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c4 e6 5. Nf3 Qb6 6. Qb3 Nc6 7. cxd5 exd5 8. Qxb6 axb6 9. Bc7 Nb4 10. Na3 Be7 11. Be2 Bf5 12. Bxb6 Rxa3 13. bxa3 Nc2+ 14. Kd2 Nxa1 15. Rxa1 cxd4 16. Nxd4 Bg6 17. Rc1 O-O 18. Rc7 Bxa3 19. Rxb7 Rc8 20. Ba6 Ra8 21. Ra7 Rxa7 22. Bxa7 Ne4+ 23. Kc2 Nxf2+ 24. Kb3 Bd6 25. Bc8 Ng4 26. Bxg4 Bxh2 27. Bb6 h5 28. Bc8 Be4 29. g4 h4 30. g5 Bg2 31. a4 h3 32. a5 Bb8 33. Bxh3 Bxh3 34. Nc6 Bd6 35. Kc3 Bf1 36. Kd4 Ba6 37. Kxd5 Bg3 38. Nb4 Bb7+ 39. Kc5 Bf2 40. Kd6 Bf3 41. Nc6 Bg3+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.26"] [White "Castro Herrera, Juan Sebastian"] [Black "Marquez Leon, Jaime Jatnyel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1375"] [PlyCount "78"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. Nf3 d5 3. d3 Nc6 4. e5 Bd7 5. Bg5 f6 6. exf6 Nxf6 7. Be3 b6 8. b3 Na5 9. Ne5 c5 10. Nxd7 Qxd7 11. Be2 Bd6 12. O-O O-O 13. Bd2 Nc6 14. Re1 Rae8 15. Nc3 Nd4 16. Bf1 e5 17. Be3 Nf5 18. Bd2 a6 19. Bg5 Qc6 20. Qc1 e4 21. Bd2 d4 22. Na4 Ng4 23. g3 e3 24. fxe3 Ngxe3 25. Bxe3 Nxe3 26. Bh3 Rf5 27. Nb2 Rh5 28. Nc4 Bxg3 29. Nxe3 Rxh3 30. Re2 Rxe3 31. Qd2 Qh6 32. Rae1 Bxh2+ 33. Rxh2 Rxh2 34. Qxh2 Rxe1+ 35. Kg2 Re2+ 36. Kf3 Qxh2 37. Kg4 h5+ 38. Kf5 Qe5+ 39. Kg6 Rg2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.27"] [White "Rueda Ahumada, Daniel Alejandro"] [Black "Sepulveda Navarro, Danilson David"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1340"] [PlyCount "13"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nf3 e6 3. Bf4 Nc6 4. e3 d5 5. Bd3 Bd6 6. Bg3 Bxg3 7. hxg3 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.28"] [White "Mercado Florez, Diego Armando"] [Black "Toncel Diaz, Carlos De Jesus"] [Result "1-0"] [ECO "A00"] [WhiteElo "1263"] [PlyCount "113"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Nbd2 Nge7 7. Nb3 Nf5 8. Be3 cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 h6 12. O-O-O Bd7 13. Nc5 Ncxd4 14. Nxd7 Qc6+ 15. Kb1 Qxd7 16. Nxd4 Nxd4 17. Qxd4 O-O 18. Rc1 b6 19. Bd3 Rfc8 20. Ba6 Rc6 21. Rc3 Rb8 22. Bb5 Rbc8 23. Rxc6 Rxc6 24. Bxc6 Qxc6 25. Rc1 Qd7 26. Qc3 Qb5 27. Qb3 Qe2 28. Rc8+ Kh7 29. Qc2+ Qxc2+ 30. Kxc2 a6 31. Rc7 Kg6 32. Rc6 Kf5 33. Rxb6 Kxe5 34. Rxa6 f5 35. b4 d4 36. b5 Kd5 37. b6 Kc6 38. b7+ Kxb7 39. Rxe6 Kc7 40. Kd3 Kd7 41. Re1 g5 42. a4 Kc7 43. a5 Kb7 44. Ra1 h5 45. a6+ Ka7 46. Kxd4 f4 47. Ke4 h4 48. h3 g4 49. hxg4 f3 50. g5 fxg2 51. g6 h3 52. Kf3 Ka8 53. g7 h2 54. g8=Q+ Ka7 55. Qxg2 Ka8 56. Ke3+ Ka7 57. Qb7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.08"] [Round "5.29"] [White "Escorcia Bolano, Andrees Josee"] [Black "Alzate Araujo, Miguel Angel"] [Result "1-0"] [ECO "A00"] [BlackElo "1217"] [PlyCount "41"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. e5 b6 4. g3 Ba6 5. Bg2 c5 6. c3 Nc6 7. Nf3 cxd4 8. Nxd4 Nxe5 9. Qa4+ Nd7 10. Qxa6 Bc5 11. O-O Bxd4 12. cxd4 h5 13. Nc3 h4 14. g4 Nh6 15. Qe2 Qb8 16. Nxd5 h3 17. Bxh3 Nf5 18. gxf5 Rxh3 19. Bf4 Qb7 20. Qe4 Nf8 21. Nc7+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.1"] [White "Loaiza Cuervo, Santiago"] [Black "Vargas Viscaino, Jesus Daniel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1880"] [BlackElo "1892"] [PlyCount "91"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 e6 7. Be3 cxd4 8. cxd4 Nc6 9. Nc3 Qd6 10. O-O Be7 11. Qd2 O-O 12. Bf4 Qd8 13. Rfd1 Nb4 14. Bg5 b6 15. Ne5 Bb7 16. Rac1 Rc8 17. a4 Nfd5 18. Bxe7 Qxe7 19. a5 b5 20. Ne4 f6 21. Nf3 Rxc1 22. Rxc1 Rc8 23. Nc5 Bc6 24. Ne1 Qd6 25. Ned3 Nxd3 26. Bxd3 Qf4 27. Qe1 Bd7 28. Rc2 Qd6 29. Qe4 g6 30. g3 Re8 31. Re2 e5 32. Nxd7 Qxd7 33. dxe5 Rxe5 34. Qf3 Rxe2 35. Bxe2 Kg7 36. Qd3 Qe6 37. Bf3 Ne7 38. Kg2 Qe5 39. Qe4 Qd6 40. Qb7 Kh6 41. Qb6 Nc8 42. Qe3+ Kg7 43. Qe4 Kh6 44. h4 b4 45. Qa8 Ne7 46. Qf8# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.4"] [White "Caballero Marrugo, David Jose"] [Black "Cordoba Perez, Jeronimo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1759"] [BlackElo "1838"] [PlyCount "94"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 d5 2. e3 Bg4 3. c4 e6 4. cxd5 exd5 5. Qa4+ Bd7 6. Qb3 Bc8 7. Nc3 Nf6 8. d4 c6 9. Bd3 Bd6 10. Bd2 O-O 11. Rc1 b5 12. Bb1 Re8 13. Ne2 Bg4 14. a4 a6 15. Qa2 b4 16. b3 Qc8 17. Ng3 a5 18. Qc2 g6 19. Ng5 Bf4 20. Nf3 Bxf3 21. gxf3 Qh3 22. Ke2 Re6 23. Rcg1 Nbd7 24. Kd1 Bh6 25. Qb2 Bg7 26. Bd3 c5 27. Bf1 Qh4 28. Ne2 Qxf2 29. Nf4 Rxe3 30. Be2 Re7 31. dxc5 Nxc5 32. Rf1 Qh4 33. Qc2 Rc8 34. Rhg1 Rcc7 35. Qb1 Ne6 36. Nd3 Nd4 37. Rg2 Nc2 38. Rfg1 Qd4 39. Rg5 Bh6 40. h4 Ne3+ 41. Ke1 Bxg5 42. hxg5 Nh5 43. Qb2 Qh4+ 44. Nf2 Rc2 45. Qa1 Rc6 46. Qb1 Nf4 47. Rh1 Nfg2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.5"] [White "Cordoba Roa, Angel Gabriel"] [Black "Rodriguez Valencia, Sebastian"] [Result "1-0"] [ECO "B01"] [WhiteElo "2106"] [BlackElo "1786"] [PlyCount "87"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. a3 c6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nbd7 9. b4 Qd8 10. Bd3 Nb6 11. Ne2 Qd5 12. Qg3 e6 13. Be3 Nh5 14. Qg4 g6 15. Nc3 Qd7 16. b5 Bg7 17. bxc6 bxc6 18. Ne2 O-O 19. O-O Nd5 20. Bd2 Rfd8 21. Rfd1 c5 22. Ba5 Re8 23. a4 a6 24. c4 Ne7 25. Qf3 Rab8 26. g4 Nc6 27. Be1 Nf6 28. dxc5 Ne5 29. Qe3 Nfxg4 30. hxg4 Nxg4 31. Qg3 Bxa1 32. Rxa1 f5 33. Qd6 Red8 34. Ba5 Qg7 35. Bxd8 Qxa1+ 36. Kg2 Rb3 37. Qxe6+ Kg7 38. Qe7+ Kg8 39. Qe8+ Kg7 40. Nf4 Qe5 41. Ne6+ Kh6 42. Qf8+ Kh5 43. Ng7+ Kh6 44. Nxf5+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.6"] [White "Rico Duran, Juan Sebastian"] [Black "Diaz Larrea, Juan Manuel"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1828"] [BlackElo "1748"] [PlyCount "91"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3 O-O 9. h3 Be6 10. d4 Bxb3 11. Qxb3 exd4 12. cxd4 Na5 13. Qc2 c5 14. b3 Rc8 15. d5 Nd7 16. Bb2 Bf6 17. Bxf6 Qxf6 18. Nbd2 c4 19. b4 Nb7 20. a4 Ra8 21. a5 Rae8 22. Ra3 Qd8 23. Rae3 f6 24. Nd4 Rf7 25. f4 Nxa5 26. Ne6 Qb6 27. bxa5 Qxa5 28. Nxc4 bxc4 29. Qxc4 f5 30. Qd4 fxe4 31. Ng5 Rxf4 32. Ne6 Rf7 33. Ng5 Rfe7 34. Rxe4 Rxe4 35. Rxe4 Ne5 36. Ne6 Qa2 37. Qa7 Qa1+ 38. Kh2 Ng6 39. Rd4 Re7 40. Qb8+ Kf7 41. Rf4+ Nxf4 42. Qf8+ Kg6 43. Nxf4+ Kg5 44. Qxe7+ Kxf4 45. Qxd6+ Ke4 46. Qc6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.7"] [White "Borre Meza, Orlando David"] [Black "Ospina Castro, Santiago"] [Result "0-1"] [ECO "A00"] [WhiteElo "1498"] [BlackElo "2088"] [PlyCount "104"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Qc2 c5 8. Bd3 dxc4 9. Bxc4 cxd4 10. exd4 Nb6 11. Bd3 Nbd5 12. Bg3 Nb4 13. Qb1 Nxd3+ 14. Qxd3 b6 15. O-O Bb7 16. Rac1 Bxf3 17. Qxf3 Qxd4 18. a3 Qc4 19. Rfd1 Qa6 20. Bd6 Bxd6 21. Rxd6 Rad8 22. Rcd1 Qc8 23. h3 Rxd6 24. Rxd6 Rd8 25. Qb7 g6 26. Rxd8+ Qxd8 27. Qxa7 Qd4 28. Qb8+ Kg7 29. Qb7 h5 30. Qa6 Nd7 31. Qe2 Ne5 32. Qd1 Nd3 33. Qd2 e5 34. Kf1 e4 35. Qe3 Qxe3 36. fxe3 Nxb2 37. Nxe4 Nc4 38. a4 Nxe3+ 39. Kf2 Nd5 40. g4 hxg4 41. hxg4 Nf6 42. Kf3 Nxe4 43. Kxe4 Kh6 44. Kf4 f6 45. Ke4 Kg5 46. Kd5 f5 47. gxf5 gxf5 48. Kc6 f4 49. Kxb6 f3 50. a5 f2 51. a6 f1=Q 52. Ka7 Qb5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.8"] [White "Echeverry Betancur, Jorge Andres"] [Black "Londono Lopez, Donaldo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1648"] [BlackElo "2070"] [PlyCount "88"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. a4 O-O 9. Kh1 b6 10. f4 Qc7 11. Qe2 Nbd7 12. b3 Bb7 13. Bb2 Rfe8 14. Nf3 d5 15. Bd3 Bb4 16. Na2 dxe4 17. Nxb4 exf3 18. Rxf3 Bxf3 19. Qxf3 Nc5 20. Qg3 Nh5 21. Qf3 Nxf4 22. Qg3 e5 23. Bc4 Ne4 24. Qe3 Nd6 25. Bxe5 Nxc4 26. Bxc7 Nxe3 27. Bxf4 a5 28. Bxe3 Rxe3 29. Nd5 Re2 30. Nxb6 Rb8 31. Nc4 Rxc2 32. Nxa5 Rc5 33. Nc4 Rxb3 34. Nd2 Rb2 35. Nf3 Rcc2 36. Ne1 Re2 37. Kg1 g6 38. Kf1 Red2 39. Rc1 Ra2 40. Rc4 Ra1 41. Rc8+ Kg7 42. Ra8 Rd4 43. Kf2 Rdxa4 44. Rxa4 Rxa4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.9"] [White "Gamarra Pardo, Sebastian Andres"] [Black "Moreno Marino, Juan Nicolas"] [Result "0-1"] [ECO "A00"] [WhiteElo "1369"] [BlackElo "1928"] [PlyCount "47"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 Bb4 7. Bf4 Nge7 8. Qe2 d5 9. O-O-O Bxc3 10. exd5 Bxb2+ 11. Kxb2 Qb6+ 12. Ka1 exd5 13. Bxd5 O-O 14. Bd6 Nxd5 15. Rxd5 Qd8 16. Qb2 Re8 17. Rg5 f6 18. Rd5 Be6 19. Rd2 Qb6 20. Qa3 a5 21. Rb1 Qa6 22. h4 Bf5 23. Rbd1 Rac8 24. h5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.10"] [White "Olivella Fonseca, Fabio Junior"] [Black "Salcedo Rodelo, Brayan"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1753"] [BlackElo "1619"] [PlyCount "111"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. Rc1 c6 7. a3 Ba5 8. b4 Bc7 9. Bxf6 Qxf6 10. e3 h5 11. Bd3 Bf5 12. Bxf5 Qxf5 13. Qc2 Qg5 14. Kf1 Rh6 15. Nf3 Qd8 16. h4 Bd6 17. Qf5 Qd7 18. Qxd7+ Nxd7 19. Na4 a5 20. Nc5 axb4 21. axb4 b6 22. Nd3 Ra3 23. Ke2 Ra2+ 24. Nd2 Be7 25. Ra1 Rxa1 26. Rxa1 Bxh4 27. b5 cxb5 28. Nf4 Rd6 29. Nxh5 g6 30. Nf4 Bg5 31. Nd3 Rc6 32. Nb4 Rd6 33. Ra8+ Ke7 34. Nb1 Nf6 35. Nc3 Rd7 36. Rb8 Bh6 37. Rxb6 Ne4 38. Nbxd5+ Kf8 39. Rb8+ Kg7 40. Nxe4 Rxd5 41. Rg8+ Kxg8 42. Nf6+ Kg7 43. Nxd5 Bg5 44. Nc7 b4 45. Kd3 Bh4 46. g3 Bd8 47. Nd5 Ba5 48. f3 b3 49. Nc3 Kf6 50. Nb1 Ke6 51. Kc4 b2 52. e4 f5 53. g4 fxg4 54. fxg4 Kd6 55. Kb3 Bb6 56. Kc4 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.12"] [White "Brito Carrascal, Camilo Andres"] [Black "Ortiz Monsalve, Sebastian"] [Result "0-1"] [ECO "C09"] [WhiteElo "1678"] [BlackElo "1563"] [PlyCount "64"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. O-O Nge7 8. dxc5 Bxc5 9. Nb3 Bb6 10. Re1 O-O 11. Bxc6 bxc6 12. Be3 Qd6 13. a4 Nf5 14. Bd4 Nxd4 15. Nbxd4 a6 16. Qd3 Qf6 17. a5 Bxd4 18. Qxd4 Qxd4 19. Nxd4 c5 20. Nb3 Rb8 21. Ra2 Rb5 22. Nc1 Bf5 23. b3 f6 24. Rd1 Re8 25. Kf1 Rd8 26. c4 Rb4 27. cxd5 Rd4 28. Rad2 R8xd5 29. Rxd4 cxd4 30. b4 d3 31. Nb3 Bd7 32. f3 Ba4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.14"] [White "Sepulveda Brango, Alberto Enrique"] [Black "Padilla, Daniel Eduardo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1231"] [BlackElo "1708"] [PlyCount "26"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Be3 c5 6. Nf3 Nc6 7. Be2 cxd4 8. Bxd4 Nxd4 9. Qxd4 Bc5 10. Qf4 O-O 11. O-O f6 12. Qg4 Nxe5 13. Nxe5 fxe5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.16"] [White "Torres Charris, Havid Jose"] [Black "De La Hoz Paternina, Felix Daniel"] [Result "0-1"] [ECO "A00"] [BlackElo "1362"] [PlyCount "74"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 Nf6 6. O-O Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Bg5 Be7 10. Bxc6+ bxc6 11. Nd2 O-O 12. Nb3 Nd7 13. Bf4 c5 14. dxc5 Nxc5 15. Nxc5 Bxc5 16. Rad1 Qb6 17. b3 Rad8 18. Rfe1 f6 19. Be3 d4 20. Bc1 Bb4 21. Bd2 a5 22. Qe4 e5 23. Kh1 Rfe8 24. h4 g6 25. Rg1 f5 26. Qd3 Bxd2 27. Qxd2 Qb4 28. a4 Qxd2 29. Rxd2 Rc8 30. g4 Kf7 31. gxf5 gxf5 32. Rg5 Kf6 33. Kh2 Re6 34. f3 Rd6 35. Rdg2 Rd7 36. h5 Rc3 37. Rf2 Kxg5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.18"] [White "Ramirez Oviedo, Christian Camilo"] [Black "Viasus, Juan Diego"] [Result "0-1"] [ECO "A00"] [WhiteElo "1689"] [BlackElo "1272"] [PlyCount "65"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. O-O Nge7 7. Qe1 O-O 8. d3 d5 9. Bb3 Nd4 10. Nxd4 Bxd4+ 11. Kh1 Bg7 12. f5 gxf5 13. exd5 Nxd5 14. Qg3 Nxc3 15. bxc3 Kh8 16. Bg5 Qa5 17. Qh4 Qxc3 18. Rad1 f6 19. Bd2 Qd4 20. Rf4 Qd7 21. Qh3 Rf7 22. Qh5 Bf8 23. Bc3 Bd6 24. Rxf5 exf5 25. Bxf7 Be5 26. Re1 Qc7 27. Qh6 Qxf7 28. Rxe5 fxe5 29. Bxe5+ Kg8 30. Qg5+ Qg6 31. Qd8+ Kf7 32. Qc7+ Ke8 33. Bd6 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.19"] [White "Pena De Lima, Carlos Andres"] [Black "Balza Gil, Salvatore"] [Result "1-0"] [ECO "A00"] [WhiteElo "1455"] [BlackElo "1033"] [PlyCount "34"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Nf3 Nc6 3. e3 Bf5 4. b3 g6 5. Bb2 e6 6. a3 Bg7 7. Nbd2 Qe7 8. c4 Rd8 9. Be2 e5 10. cxd5 Rxd5 11. Bc4 Rd7 12. e4 Be6 13. d5 Nd8 14. dxe6 Nxe6 15. Bxe6 Qxe6 16. Qe2 Nh6 17. O-O f5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.20"] [White "Rivera Fernandez, Fredy Alejandro"] [Black "Mercado Florez, Diego Armando"] [Result "1-0"] [ECO "A00"] [WhiteElo "1391"] [BlackElo "1263"] [PlyCount "31"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 f6 6. fxe5 fxe5 7. Nf3 Bd7 8. Bxc6 Bxc6 9. Nxe5 Bxe5 10. Qh5+ Kd7 11. Qf5+ Ke8 12. Qxe5+ Ne7 13. Qxg7 Ng6 14. O-O Qe7 15. Qxe7+ Kxe7 16. Bxh8 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.21"] [White "Norena Marin, Jeronimo"] [Black "Marquez Leon, Jaime Jatnyel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1368"] [PlyCount "91"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 d6 3. Nf3 g6 4. h3 Bg7 5. e3 Nbd7 6. c4 b6 7. Nc3 Bb7 8. Be2 h6 9. O-O O-O 10. Rc1 Rc8 11. a3 Nh7 12. b4 e5 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Bg3 Qxd1 16. Rfxd1 a6 17. Nd5 Bxd5 18. Rxd5 Rfe8 19. Rcd1 Ng5 20. f3 f5 21. Bf2 Nf7 22. c5 b5 23. Rd7 Ng5 24. h4 Ne6 25. g3 Ra8 26. R1d2 e4 27. fxe4 a5 28. exf5 axb4 29. axb4 gxf5 30. Bxb5 Ra1+ 31. Kg2 Rb1 32. Rxg7+ Nxg7 33. Bxe8 Nxe8 34. Rd4 Rb2 35. Kf3 Nf6 36. Be1 Kf7 37. Rf4 Rb1 38. Bc3 Rf1+ 39. Ke2 Rxf4 40. exf4 Nd5 41. Kd3 Kg6 42. Kd4 c6 43. b5 cxb5 44. Kxd5 Kh5 45. c6 Kg4 46. c7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.22"] [White "Varela Sanchez, David Yoel"] [Black "Ramirez Girado, Joshua Daid"] [Result "1-0"] [ECO "A00"] [WhiteElo "1342"] [PlyCount "89"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 Nf6 4. Nc3 d5 5. dxe5 Nxe4 6. Qxd5 Nxc3 7. Qxd8+ Nxd8 8. bxc3 Be7 9. Bc4 Be6 10. Bb3 O-O 11. O-O h6 12. Nd4 c6 13. f4 Bc5 14. Kh1 Bxd4 15. cxd4 Bxb3 16. axb3 Ne6 17. c3 f5 18. Be3 b6 19. Rfd1 g5 20. g3 gxf4 21. gxf4 Rf7 22. c4 c5 23. d5 Nd4 24. Bxd4 cxd4 25. Rxd4 Kf8 26. Rg1 a5 27. Rg6 a4 28. Rxb6 a3 29. Rd1 Rg7 30. Rxh6 Kg8 31. Rh5 a2 32. Ra1 Ra3 33. Rg5 Rxg5 34. fxg5 f4 35. Kg2 Kf7 36. h4 f3+ 37. Kf2 Kg6 38. d6 Kf5 39. d7 Ra8 40. Kxf3 Kxe5 41. Rxa2 Rf8+ 42. Kg3 Rb8 43. b4 Rxb4 44. d8=Q Rb3+ 45. Kh2 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.25"] [White "Rueda Ahumada, Gabriel Omar"] [Black "De La Ossa, Madera Ethan"] [Result "1-0"] [ECO "A00"] [WhiteElo "1482"] [BlackElo "1473"] [PlyCount "81"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O d6 5. c3 a6 6. Ba4 b5 7. Bc2 Bg4 8. d3 h6 9. Nbd2 Nge7 10. Re1 O-O 11. h3 Bxf3 12. Nxf3 Ng6 13. d4 Bb6 14. Be3 Nce7 15. Qd2 c5 16. Rad1 Qc7 17. d5 a5 18. Nh2 Nh8 19. f4 f6 20. Ng4 c4 21. fxe5 fxe5 22. Nxe5 dxe5 23. d6 Bxe3+ 24. Rxe3 Qb7 25. dxe7 Qxe7 26. Rg3 Rad8 27. Qxh6 Rxd1+ 28. Bxd1 Qa7+ 29. Qe3 Qxe3+ 30. Rxe3 Rd8 31. Bf3 Rd2 32. Re2 Rd1+ 33. Kf2 Ra1 34. a3 b4 35. axb4 axb4 36. cxb4 Ra4 37. Bg4 Rxb4 38. Be6+ Kh7 39. Rc2 c3 40. bxc3 Rxe4 41. Bf5+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.27"] [White "Toncel Diaz, Carlos De Jesus"] [Black "Zapata Polo, Orlando Jose"] [Result "0-1"] [ECO "A00"] [BlackElo "1195"] [PlyCount "63"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Bf4 Nc6 3. Nf3 Nf6 4. e3 Bf5 5. c3 e6 6. Nbd2 Bd6 7. Ne5 Bxe5 8. Bxe5 Nxe5 9. dxe5 Nd7 10. f4 f6 11. Nf3 O-O 12. Bd3 Bg4 13. h3 Bxf3 14. Qxf3 fxe5 15. Bc2 e4 16. Qe2 a6 17. O-O-O c5 18. c4 b5 19. cxb5 axb5 20. Rhg1 c4 21. b4 cxb3 22. Bxb3 Qa5 23. g4 Rfc8+ 24. Kb1 Nc5 25. Rc1 Nxb3 26. Rxc8+ Rxc8 27. axb3 Qc3 28. Qxb5 Qc2+ 29. Ka1 Ra8+ 30. Qa4 Rxa4+ 31. bxa4 Qxa4+ 32. Kb2 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.28"] [White "Payares Diaz, Alejandro"] [Black "Malagon De Avila, Matias Alberto"] [Result "1-0"] [ECO "A00"] [WhiteElo "1427"] [PlyCount "46"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 d6 5. Nxf7 Qd7 6. Nxh8 d5 7. d3 Bb4+ 8. c3 Nc6 9. cxb4 Nd4 10. Qh5+ g6 11. Qe5+ Qe6 12. Qxd4 Ng3+ 13. Qe3 Nf5 14. Qxe6+ Bxe6 15. Na3 Nd4 16. Be3 Nc2+ 17. Nxc2 O-O-O 18. Nd4 Rxh8 19. Nxe6 Re8 20. Be2 Rxe6 21. Bg4 Kd7 22. Bxe6+ Kxe6 23. O-O-O Kf5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "6.29"] [White "Gonzalez Rodriguez, Jose David"] [Black "Escorcia Bolano, Andrees Josee"] [Result "0-1"] [ECO "A00"] [PlyCount "50"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d5 2. exd5 Nf6 3. d4 Ne4 4. Bd3 Nxf2 5. Kxf2 Qxd5 6. Nf3 g6 7. Nc3 Qd7 8. Re1 e6 9. d5 Bc5+ 10. Be3 Be7 11. Bd4 Rf8 12. Ne5 Qd6 13. Kg1 f6 14. Nc4 Qf4 15. Re4 Qg5 16. Qe2 f5 17. Re3 f4 18. Rf3 c6 19. dxe6 c5 20. Bf2 Rf6 21. Ne4 Qg4 22. Nxf6+ Bxf6 23. Nd6+ Kd8 24. Bc4 Nc6 25. Bxc5 Bd4+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.1"] [White "Mesa Baez, Samuel"] [Black "Loaiza Cuervo, Santiago"] [Result "0-1"] [ECO "A00"] [WhiteElo "1907"] [BlackElo "1880"] [PlyCount "59"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe4 5. cxd6 Nc6 6. Bf4 Qb6 7. Be3 Qxb2 8. Nbd2 Nc3 9. Qc1 Qxc1+ 10. Rxc1 Nxa2 11. Ra1 Nab4 12. Kd1 exd6 13. Bb5 Bd7 14. Re1 Kd8 15. Ng5 Be6 16. Bb6+ Kd7 17. Rxa7 Rxa7 18. Bxa7 Be7 19. Nxe6 fxe6 20. Ne4 Ra8 21. Bd4 e5 22. Bc3 Kc7 23. Bb2 Ra5 24. Nc3 Nd4 25. Bd3 Nxd3 26. cxd3 Bf6 27. Ne4 Ne6 28. g3 Nc5 29. Kc2 Nxe4 30. dxe4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.2"] [White "Vargas Viscaino, Jesus Daniel"] [Black "Gonzalez Mojica, Renan Arturo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1892"] [BlackElo "1981"] [PlyCount "79"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 O-O 6. Bd3 Nc6 7. Be3 Ng4 8. Bg1 e5 9. fxe5 dxe5 10. d5 Nd4 11. h3 Nh6 12. Be3 f5 13. Qd2 fxe4 14. Bxe4 Nhf5 15. Bg5 Qd6 16. Ne2 Nxe2 17. Bxf5 Bxf5 18. Kxe2 e4 19. Nh4 Qg3 20. Qf4 Qxf4 21. Bxf4 Bxh3 22. Ke3 Bg4 23. g3 Bf6 24. Bxc7 g5 25. Ng2 Bf3 26. Rhg1 Rac8 27. d6 Bxb2 28. Rab1 Ba3 29. Rb5 h6 30. Ra5 Bb4 31. Rb5 a5 32. a3 Bxa3 33. Rxa5 Ra8 34. Rd5 Kf7 35. c4 Ke6 36. Kd4 Bb2+ 37. Kc5 Kd7 38. Ne3 Ra6 39. Rb1 Rc6+ 40. Kb4 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.4"] [White "Cordoba Perez, Jeronimo"] [Black "Sanchez Arroyave, Juan Pablo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1838"] [BlackElo "2079"] [PlyCount "98"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. Bg2 Be7 5. e3 O-O 6. Nge2 c5 7. cxd5 exd5 8. d4 Be6 9. O-O Nc6 10. b3 Rc8 11. dxc5 Bxc5 12. Bb2 Re8 13. Rc1 Be7 14. Nf4 Bg4 15. f3 Be6 16. Nxe6 fxe6 17. f4 Bc5 18. Re1 d4 19. exd4 Qxd4+ 20. Kh1 Rcd8 21. Qf3 Qf2 22. Qxf2 Bxf2 23. Re2 Bd4 24. Nb5 Bxb2 25. Rxb2 Nd5 26. Be4 a6 27. Na3 e5 28. Rd2 Ndb4 29. Rxd8 Rxd8 30. fxe5 Nxe5 31. Bxb7 Rd2 32. Nc4 Nxc4 33. Rxc4 a5 34. a4 Nd3 35. h4 h5 36. Rc3 Kf7 37. Ba6 Ne5 38. Kg1 Ke6 39. Bf1 Kd5 40. Bg2+ Kd4 41. Rc8 Rb2 42. Rd8+ Ke3 43. Re8 Kd4 44. Ra8 Rb1+ 45. Kh2 Ng4+ 46. Kh3 Ke3 47. Rf8 Nf2+ 48. Kh2 Ng4+ 49. Kh3 Nf2+ 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.5"] [White "Diaz Larrea, Juan Manuel"] [Black "Ospina Castro, Santiago"] [Result "0-1"] [ECO "A00"] [WhiteElo "1748"] [BlackElo "2088"] [PlyCount "130"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. Re1 O-O 10. Nf1 Re8 11. dxc5 Nxc5 12. c3 Nce4 13. Be3 Qc7 14. h3 b5 15. Rc1 a5 16. a4 Qb7 17. axb5 Qxb5 18. Qe2 Qb7 19. Nd4 Rec8 20. Nf5 Bf8 21. Bd4 Qd7 22. N5e3 Bc5 23. Red1 Qe6 24. f3 Nd6 25. Qd3 Nc4 26. Rc2 Rab8 27. Nxc4 Bxd4+ 28. Nce3 Bc5 29. Kh1 Rd8 30. Re2 Qb6 31. Nf5 g6 32. Nd4 Kg7 33. Qd2 h6 34. Ng3 Kh7 35. Qf4 Re8 36. Rdd2 Qd6 37. Qxd6 Bxd6 38. Rxe8 Rxe8 39. Nge2 Ra8 40. Nb5 Bc5 41. b3 Rc8 42. Rd3 g5 43. Ned4 Kg6 44. Kg1 Nh5 45. Kf1 Nf4 46. Rd2 Kf6 47. Ne2 Be3 48. Ra2 Nxe2 49. Kxe2 Bb6 50. Kd3 Ke6 51. Nd4+ Kf6 52. Nb5 h5 53. Ra4 Re8 54. Nd4 Re1 55. b4 axb4 56. Ra6 bxc3 57. Rxb6+ Ke5 58. Kxc3 Re3+ 59. Kd2 Kxd4 60. Rf6 Ra3 61. Ke2 Ra2+ 62. Kf1 Ke3 63. Kg1 Ra1+ 64. Kh2 d4 65. Rxf7 d3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.6"] [White "Londono Lopez, Donaldo"] [Black "Puerta Rendon, Jacobo"] [Result "1-0"] [ECO "A00"] [WhiteElo "2070"] [BlackElo "1636"] [PlyCount "66"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. dxe5 dxe5 9. Qxd8+ Bxd8 10. a4 Bb7 11. axb5 axb5 12. Rxa8 Bxa8 13. Re1 Be7 14. Nc3 Bb4 15. Bd2 Nd4 16. Nxe5 Nxb3 17. cxb3 O-O 18. f3 Rd8 19. Be3 Bd6 20. Rd1 Re8 21. Nd3 Bc6 22. b4 Nd7 23. Kf2 f5 24. exf5 Bxh2 25. Bf4 Bxf4 26. Nxf4 Rf8 27. Nfd5 Kh8 28. Nxc7 Rxf5 29. N7xb5 Rxb5 30. Nxb5 Bxb5 31. Ke3 Kg8 32. Kd4 Kf7 33. Re1 Bc6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.7"] [White "Moreno Marino, Juan Nicolas"] [Black "Caballero Marrugo, David Jose"] [Result "1-0"] [ECO "A00"] [WhiteElo "1928"] [BlackElo "1759"] [PlyCount "89"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O Re8 8. e4 e5 9. d5 Nc5 10. Ne1 a5 11. Nd3 Nfd7 12. Be3 Nxd3 13. Qxd3 Rf8 14. a3 f5 15. f3 Rf7 16. b4 Nf6 17. Bf2 Nh5 18. c5 Bf8 19. Rfc1 Qg5 20. Nb5 axb4 21. axb4 Rxa1 22. Rxa1 f4 23. g4 Bxg4 24. h4 Qh6 25. fxg4 Ng3 26. cxd6 cxd6 27. Qf3 Qxh4 28. Rf1 Qd8 29. Bxg3 Qb6+ 30. Bf2 Qxb5 31. Rb1 Qa4 32. Qb3 Qd7 33. Qf3 Qa4 34. b5 g5 35. Qb3 Qa8 36. Bf3 h5 37. b6 Rh7 38. Rc1 Qa5 39. Qc3 Qa4 40. Qc8 h4 41. Qe6+ Kh8 42. Rc8 Qa1+ 43. Kh2 Kg7 44. Rc7+ Kh8 45. Qf6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.8"] [White "Diaz Avila, Jarett Alexander"] [Black "Rico Duran, Juan Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1298"] [BlackElo "1828"] [PlyCount "86"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. Bxc3 Bxc3+ 11. bxc3 Qg5 12. O-O Bg4 13. Qd2 Qxd2 14. Nxd2 O-O-O 15. f3 Bh5 16. Nc4 Bg6 17. Be4 Bxe4 18. fxe4 f6 19. Rfd1 Rxd1+ 20. Rxd1 Rd8 21. Rd3 Kc7 22. Rg3 Rd7 23. Ne3 Nd8 24. a4 Kb6 25. Nc4+ Ka6 26. Nb2 Ne6 27. c4 Nc5 28. Nd3 Nxd3 29. cxd3 Ka5 30. Kf2 Kxa4 31. Ke3 Kb3 32. Kd2 Kb2 33. Rf3 a5 34. Rf2 a4 35. Kd1+ Kb1 36. Kd2 Kb2 37. Kd1+ Kb3 38. Kc1 a3 39. Kb1 Rxd3 40. Rf1 f5 41. Ka1 a2 42. c5 fxe4 43. c6 bxc6 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.9"] [White "Ortiz Monsalve, Sebastian"] [Black "Padilla, Daniel Eduardo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1563"] [BlackElo "1708"] [PlyCount "38"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Qa5 6. Bd2 Bxc3 7. bxc3 Ne7 8. Qg4 O-O 9. h4 Qa4 10. Rh3 Nf5 11. Bd3 Nc6 12. Nf3 cxd4 13. Qf4 b5 14. cxd4 Nfxd4 15. Nxd4 Qxd4 16. Qxd4 Nxd4 17. Bc3 Nc6 18. Bxb5 Bd7 19. Bxc6 Bxc6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.10"] [White "Rodriguez Valencia, Sebastian"] [Black "Salcedo Rodelo, Brayan"] [Result "1-0"] [ECO "A00"] [WhiteElo "1786"] [BlackElo "1619"] [PlyCount "111"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e5 3. e3 exd4 4. exd4 Nf6 5. Nf3 Bg4 6. Qb3 Qe7+ 7. Be2 Qb4+ 8. Bd2 Qxb3 9. axb3 Nc6 10. cxd5 Nxd5 11. O-O O-O-O 12. Nc3 Bb4 13. h3 Bh5 14. g4 Bg6 15. Bb5 Nde7 16. Be3 a6 17. Be2 Na5 18. Ra4 Nac6 19. Rc1 Bxc3 20. bxc3 Nd5 21. c4 Nxe3 22. fxe3 Rhe8 23. Kf2 f5 24. gxf5 Bxf5 25. h4 Be4 26. b4 Rd6 27. b5 Nb8 28. Ne5 Rf6+ 29. Ke1 Ref8 30. c5 Rf2 31. bxa6 Nxa6 32. c6 h5 33. Rca1 Nb8 34. Ra8 Bxc6 35. Nxc6 bxc6 36. Rb1 Kd7 37. Rbxb8 Rxb8 38. Rxb8 Rh2 39. Bxh5 Rxh4 40. Bf3 c5 41. dxc5 Rc4 42. c6+ Ke7 43. Rg8 Kf6 44. Rc8 g5 45. Rxc7 g4 46. Bd5 Rc5 47. Bg2 Kg5 48. Kf2 Rc2+ 49. Kg3 Rc3 50. Re7 Kf6 51. Re4 Kf5 52. Kh4 Rc2 53. Rxg4 Rc3 54. Re4 Rc2 55. Kg3 Rc3 56. Re8 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.11"] [White "De La Hoz Paternina, Felix Daniel"] [Black "Olivella Fonseca, Fabio Junior"] [Result "0-1"] [ECO "A00"] [WhiteElo "1362"] [BlackElo "1753"] [PlyCount "66"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 e6 7. Bd3 Be7 8. h3 O-O 9. Nf3 a6 10. O-O h6 11. Ne5 Nxe5 12. Bxe5 Nd7 13. Bh2 b5 14. Rc1 Bb7 15. a3 Rc8 16. b4 Nb6 17. Bb1 Nc4 18. Qd3 g6 19. Ne2 a5 20. Nf4 Qe8 21. bxa5 Ra8 22. Qe2 Bf6 23. Qg4 Bg7 24. Rc3 Bc8 25. Qe2 Rxa5 26. Rfc1 Bd7 27. Nd3 Qe7 28. Nc5 Bc6 29. Qd3 Rfa8 30. f3 Rxa3 31. Rxa3 Rxa3 32. Rc3 Rxc3 33. Qxc3 Qxc5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.12"] [White "Orostegui Cardona, David Eduardo"] [Black "Borre Meza, Orlando David"] [Result "0-1"] [ECO "C55"] [WhiteElo "1633"] [BlackElo "1498"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 d6 6. Nbd2 O-O 7. Bb3 Na5 8. Bc2 c5 9. Nf1 Nc6 10. h3 d5 11. Qe2 b6 12. Ng3 dxe4 13. dxe4 a5 14. Bb3 Qc7 15. a4 Ne8 16. Nf5 Bxf5 17. exf5 Nd6 18. g4 e4 19. Ng5 Bxg5 20. Bxg5 Ne5 21. O-O-O c4 22. Bc2 Nd3+ 23. Bxd3 exd3 24. Qe7 Qc6 25. Be3 Qxa4 26. Kb1 Qc2+ 27. Ka1 Qa4+ 28. Kb1 Nb5 29. Rd2 Qb3 30. Ka1 Rfe8 31. Qg5 f6 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.13"] [White "Ramirez Andrade, Leonardo Jesus"] [Black "Norena Marin, Jeronimo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1795"] [BlackElo "1368"] [PlyCount "53"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Bc4 e5 6. O-O Ngf6 7. Be3 O-O 8. Qe2 a5 9. a4 Re8 10. Rae1 Nf8 11. dxe5 Ng4 12. exd6 Nxe3 13. Qxe3 Qxd6 14. Nb5 Qc6 15. Bd5 Qd7 16. Rd1 c6 17. Bb3 Qg4 18. Nd6 Re7 19. Nxf7 Rxf7 20. Ng5 Be6 21. Nxf7 Bxf7 22. Bxf7+ Kxf7 23. Qb3+ Kf6 24. Qxb7 Rc8 25. Rd6+ Ke5 26. Qe7+ Kf4 27. Qxg7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.14"] [White "Carvajal Barreto, Misael Camilo"] [Black "Rivera Fernandez, Fredy Alejandro"] [Result "1-0"] [ECO "A00"] [WhiteElo "1685"] [BlackElo "1391"] [PlyCount "139"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nf3 d5 5. Nc3 Nc6 6. h3 h6 7. b3 cxd4 8. Nxd4 Bb4 9. Bd2 Nxd4 10. exd4 dxc4 11. bxc4 Qxd4 12. Qa4+ Bd7 13. Qxb4 Ne4 14. Nxe4 Qxa1+ 15. Ke2 Qe5 16. Kd3 Bc6 17. Nd6+ Kd7 18. c5 b6 19. Qd4 Qxd4+ 20. Kxd4 Ke7 21. Nc4 Rhd8+ 22. Kc3 Bd5 23. cxb6 axb6 24. Nxb6 Ra3+ 25. Kb4 Rxa2 26. Be3 Rb2+ 27. Kc3 Rb3+ 28. Kc2 Rb8 29. Nxd5+ exd5 30. Bd4 Rb1 31. g3 f6 32. Bg2 Rxh1 33. Bxh1 Kd6 34. Bf3 Rb4 35. Bb2 Ke6 36. Bc3 Rc4 37. Kd3 Ra4 38. Bd1 Ra2 39. Bc2 h5 40. g4 hxg4 41. hxg4 g6 42. f4 f5 43. g5 Ra3 44. Kd4 Kd7 45. Bb4 Ra2 46. Bd1 Ke6 47. Bf3 Kd7 48. Bxd5 Re2 49. Kd3 Rb2 50. Bc3 Rb6 51. Bf6 Rb4 52. Ke3 Ke8 53. Bc3 Rb1 54. Kd4 Kf8 55. Ke5 Kg7 56. Ke6+ Kh7 57. Be5 Rb5 58. Bd6 Ra5 59. Bc6 Ra1 60. Be8 Re1+ 61. Kf7 Rd1 62. Be7 Rd4 63. Kf6 Rxf4 64. Bxg6+ Kg8 65. Bxf5 Rf1 66. Kg6 Re1 67. Bc5 Re8 68. Kh6 Re5 69. Bh7+ Kh8 70. g6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.15"] [White "Gamarra Pardo, Sebastian Andres"] [Black "Brito Carrascal, Camilo Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1369"] [BlackElo "1678"] [PlyCount "52"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. h4 Ne4 7. Bd2 Bxc3 8. Bxc3 Nxc3 9. bxc3 d6 10. h5 h6 11. Rg1 Nd7 12. Bd3 e5 13. e4 Qe7 14. Qe2 O-O-O 15. a4 a5 16. Nd2 exd4 17. cxd4 Rhe8 18. d5 Nc5 19. Qg4+ Kb8 20. Ra3 Qe5 21. Bb1 f5 22. Qg3 Qb2 23. Ra2 Qc1+ 24. Ke2 Qxg1 25. Nf1 Nxe4 26. Bxe4 Rxe4+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.16"] [White "Viasus, Juan Diego"] [Black "Echeverry Betancur, Jorge Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1272"] [BlackElo "1648"] [PlyCount "88"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Bf4 Bf5 3. c4 e6 4. Nc3 Nf6 5. e3 Be7 6. Qb3 b6 7. Nf3 O-O 8. Be2 dxc4 9. Bxc4 Nc6 10. Qd1 Nh5 11. Bg3 Nxg3 12. hxg3 Nb4 13. Rc1 c5 14. O-O cxd4 15. Nxd4 Bg6 16. a3 e5 17. Nf3 Nd3 18. Bxd3 Bxd3 19. Re1 e4 20. Ne5 Bf6 21. Nxd3 Qxd3 22. Qxd3 exd3 23. Red1 Rfd8 24. Rd2 Rac8 25. f4 a5 26. e4 Bd4+ 27. Kf1 Be3 28. Ke1 b5 29. Rcd1 Bxd2+ 30. Rxd2 b4 31. axb4 axb4 32. Nd5 Rc1+ 33. Kf2 b3 34. Ke3 Re1+ 35. Kxd3 f5 36. Kc3 Rc8+ 37. Kxb3 Rxe4 38. Ka3 Kf7 39. Nb6 Re3+ 40. Ka4 Rc7 41. Rd5 Ke6 42. b4 Rb7 43. Rb5 Re2 44. Kb3 g6 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.17"] [White "Pena De Lima, Carlos Andres"] [Black "Sanchez Cabarcas, Samuel Alejandro"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1455"] [BlackElo "1652"] [PlyCount "56"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 Nbd7 6. O-O O-O 7. c3 Qe8 8. h3 e5 9. dxe5 Nxe5 10. Bh2 b6 11. a4 Bb7 12. Nbd2 Qe7 13. Qc2 Rfd8 14. b4 Nfd7 15. a5 a6 16. axb6 cxb6 17. Rfd1 d5 18. Nd4 b5 19. Bxe5 Nxe5 20. N2b3 Rac8 21. Nc5 Rd6 22. Ra3 Nc4 23. Bxc4 dxc4 24. Rda1 Rxc5 25. bxc5 Qg5 26. f4 Qxc5 27. Qf2 b4 28. Ra5 Qb6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.18"] [White "Varela Sanchez, David Yoel"] [Black "Sepulveda Brango, Alberto Enrique"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1342"] [BlackElo "1231"] [PlyCount "70"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e5 6. Bc4 Nf6 7. O-O Bb4 8. Qe2 O-O 9. Bg5 Be7 10. Rfd1 d6 11. Nb5 a6 12. Bxf6 axb5 13. Bxe7 Qxe7 14. Bxb5 Bg4 15. Bxc6 bxc6 16. h3 Bxf3 17. Qxf3 Rfd8 18. Qc3 Rac8 19. Rac1 Qe6 20. a4 d5 21. a5 d4 22. Qc4 Qxc4 23. Rxc4 Ra8 24. b4 Rdb8 25. Kf1 Kf8 26. f4 f6 27. fxe5 fxe5 28. Rxc6 Rxb4 29. Rc5 Ra4 30. Rxe5 R8xa5 31. Rxa5 Rxa5 32. Rxd4 Ke7 33. Kf2 Ke6 34. Ke3 g5 35. g4 Ke5 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.19"] [White "Conto Garcia, Nicolas Alberto"] [Black "Carvajal Barreto, Johan Sebastian"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1281"] [BlackElo "1771"] [PlyCount "102"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Bc4 e5 5. Nf3 Be7 6. O-O h6 7. Be3 c6 8. Qd2 Qc7 9. Bd3 g5 10. Ne2 Nf8 11. dxe5 dxe5 12. Qc3 Ng6 13. Bc5 O-O 14. Bxe7 Qxe7 15. Nd2 Be6 16. Ng3 Rfe8 17. Nc4 Bd7 18. Ne3 Nh4 19. Rad1 Rac8 20. Be2 b5 21. h3 Kh7 22. Bg4 Bxg4 23. hxg4 Qe6 24. f3 Ng6 25. Nef5 Red8 26. Qc5 Rd7 27. Rxd7 Qxd7 28. Nd6 Rd8 29. Ngf5 Qc7 30. Kf2 Qb6 31. Qxb6 axb6 32. Rh1 Nh4 33. Ke2 Nxf5 34. Nxf5 Ng8 35. g3 Kg6 36. Rd1 Rxd1 37. Kxd1 h5 38. gxh5+ Kxh5 39. g4+ Kg6 40. Kd2 Kf6 41. Kd3 Ke6 42. c4 bxc4+ 43. Kxc4 Nf6 44. b4 Ne8 45. a4 Nd6+ 46. Nxd6 Kxd6 47. Kd3 Kc7 48. Kc3 Kd6 49. Kc4 f6 50. Kb3 Kc7 51. Kc3 b5 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.20"] [White "Rueda Ahumada, Gabriel Omar"] [Black "Torres Charris, Havid Jose"] [Result "1-0"] [ECO "A00"] [WhiteElo "1482"] [PlyCount "71"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 b5 8. Nd5 Ne5 9. Be2 h6 10. Bh4 Ng6 11. Bg3 e6 12. Ne3 Ne7 13. Nb3 Nec6 14. Qd2 Be7 15. O-O O-O 16. Rad1 e5 17. Nd5 Bh4 18. Ne3 Bxg3 19. hxg3 Bb7 20. Qxd6 Qxd6 21. Rxd6 Nb4 22. c3 N4c6 23. Nc5 Bc8 24. Rfd1 Kh7 25. f4 f6 26. Bf3 a5 27. f5 b4 28. Nd5 Ra7 29. Be2 Kg8 30. Bc4 Kh8 31. Bb5 Ne7 32. Nxe7 Rxe7 33. Rd8 Ref7 34. Bc4 Nd7 35. Bxf7 Rxd8 36. Be6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.22"] [White "Mercado Florez, Diego Armando"] [Black "Serrano Arrieta, Cristian"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1263"] [BlackElo "1234"] [PlyCount "53"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 d6 6. O-O O-O 7. Be3 Na5 8. Nbd2 Nxc4 9. Nxc4 b5 10. Ncd2 Re8 11. Qb3 Qd7 12. Ng5 Bf8 13. c4 h6 14. Ngf3 c6 15. Rac1 Bb7 16. cxb5 cxb5 17. Rc2 a5 18. Rfc1 a4 19. Qb4 Rec8 20. Rxc8 Rxc8 21. Rc3 Ng4 22. Nf1 Nxe3 23. Nxe3 Rxc3 24. bxc3 g6 25. Nd5 Bxd5 26. exd5 Qc7 27. c4 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.23"] [White "Marquez Leon, Jaime Jatnyel"] [Black "Zapata Polo, Orlando Jose"] [Result "1/2-1/2"] [ECO "A00"] [BlackElo "1195"] [PlyCount "60"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. O-O Nxc3 6. dxc3 d6 7. Ng5 Be6 8. Nxe6 fxe6 9. Qg4 a6 10. Qxe6+ Qe7 11. f4 Qxe6 12. Bxe6 Be7 13. f5 Nd8 14. Be3 Nxe6 15. fxe6 O-O-O 16. Rf7 Bf6 17. Rf1 Rhf8 18. g4 Rxf7 19. exf7 Rf8 20. g5 Bd8 21. h4 g6 22. Kg2 Kd7 23. h5 gxh5 24. g6 hxg6 25. Bh6 Be7 26. Bxf8 Bxf8 27. Kg3 Ke7 28. a4 Bh6 29. b4 Bf4+ 30. Kf3 Kxf7 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.24"] [White "Escorcia Bolano, Andrees Josee"] [Black "Merino Vanegas, Santiago Andres"] [Result "0-1"] [ECO "A00"] [BlackElo "1136"] [PlyCount "45"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. d4 cxd4 3. c3 Nc6 4. Bd2 Nf6 5. Bd3 g6 6. g3 Bg7 7. Nf3 dxc3 8. Nxc3 d6 9. Bf1 O-O 10. Bg2 Be6 11. O-O Qd7 12. Re1 a6 13. Be3 Bh3 14. Bh1 h5 15. Qd2 Ng4 16. Bg5 f6 17. Qd5+ Kh7 18. Re2 Nce5 19. Nh4 fxg5 20. Nd1 gxh4 21. gxh4 Nf6 22. Qd2 Qg4+ 23. Bg2 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.25"] [White "Ramirez Girado, Joshua Daid"] [Black "Balza Gil, Salvatore"] [Result "1-0"] [ECO "C24"] [BlackElo "1033"] [PlyCount "49"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. h3 Nf6 5. d3 d5 6. exd5 Nxd5 7. O-O Be6 8. Bb5 Qd7 9. Nxe5 Qc8 10. Nxc6 Bd6 11. c4 Bd7 12. Re1+ Kf8 13. cxd5 bxc6 14. dxc6 Bxh3 15. Qf3 Bg4 16. Qd5 Be6 17. Qd4 Bg4 18. Qd5 Be6 19. Qd4 h6 20. Nc3 Qd8 21. Bf4 Qh4 22. Bxd6+ Kg8 23. Qxh4 g5 24. Qe4 f6 25. Qg6# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.26"] [White "Rivera Crespo, Victor"] [Black "Payares Diaz, Alejandro"] [Result "1/2-1/2"] [ECO "A00"] [BlackElo "1427"] [PlyCount "42"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 h6 6. Nc3 d6 7. h3 O-O 8. Qe2 Bd7 9. Be3 Nd4 10. Bxd4 exd4 11. Nb5 Re8 12. Nbxd4 d5 13. Bb3 dxe4 14. dxe4 Nxe4 15. Qc4 Qf6 16. Rfe1 Bxd4 17. Qxd4 Qxd4 18. Nxd4 Nd6 19. c3 c5 20. Nf3 Be6 21. Bc2 b5 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.27"] [White "De La Ossa, Madera Ethan"] [Black "Sepulveda Navarro, Danilson David"] [Result "1-0"] [ECO "A00"] [WhiteElo "1473"] [PlyCount "76"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. Bc4 e5 4. Nc3 d6 5. d3 h6 6. a3 Nf6 7. Bd2 Nd4 8. h3 a6 9. Nxd4 exd4 10. Nd5 b5 11. Nxf6+ Qxf6 12. Bd5 Rb8 13. Ba5 Bd7 14. Qf3 Be7 15. Qxf6 Bxf6 16. Bc7 Rc8 17. Bxd6 c4 18. dxc4 bxc4 19. Bb7 Rc6 20. Bxc6 Bxc6 21. O-O-O Kd7 22. e5 Bg5+ 23. Kb1 Bxg2 24. Rh2 Bc6 25. Rxd4 Ke6 26. h4 Be7 27. Bxe7 Kxe7 28. Rxc4 Bd5 29. Rd4 Ke6 30. c4 Kxe5 31. Rxd5+ Ke6 32. f4 f5 33. Rg2 Rc8 34. Rg6+ Kf7 35. Rxa6 Rxc4 36. Rxf5+ Kg8 37. h5 Rd4 38. Ra8+ Kh7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.28"] [White "Alzate Araujo, Miguel Angel"] [Black "Rueda Ahumada, Daniel Alejandro"] [Result "1-0"] [ECO "A00"] [WhiteElo "1217"] [BlackElo "1340"] [PlyCount "65"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Bd3 b6 8. O-O Bb7 9. Re1 Rc8 10. e4 c5 11. e5 Nh5 12. Bd2 cxd4 13. Nxd4 g6 14. cxd5 exd5 15. e6 Nc5 16. exf7+ Rxf7 17. Bc2 Bg5 18. Bxg5 Qxg5 19. Nf3 Qg4 20. Ne5 Qxd1 21. Raxd1 Re7 22. Nf3 Rxe1+ 23. Rxe1 Rd8 24. Nd4 Nf4 25. Re5 Ncd3 26. Bxd3 Nxd3 27. Re7 Rf8 28. Rxb7 Re8 29. g3 Nc5 30. Rxa7 h5 31. Nxd5 Rd8 32. Nf6+ Kh8 33. Rh7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.09"] [Round "7.29"] [White "Malagon De Avila, Matias Alberto"] [Black "Gonzalez Rodriguez, Jose David"] [Result "0-1"] [ECO "A00"] [PlyCount "51"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. O-O Be7 5. d3 Nf6 6. Bf4 d5 7. exd5 exd5 8. Nc3 dxc4 9. Qe1 O-O 10. Rb1 Re8 11. Nd5 Nxd5 12. dxc4 Nxf4 13. Rd1 Qb6 14. Ng5 Bf5 15. g3 Bxg5 16. Qc3 Ne2+ 17. Kh1 Nxc3 18. Rde1 Qxb2 19. Rxe8+ Rxe8 20. h4 Bd2 21. f3 Re1 22. Rxe1 Bxe1 23. Kg1 Qc1 24. g4 Bxc2 25. g5 Bxh4+ 26. Kg2 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.1"] [White "Loaiza Cuervo, Santiago"] [Black "Moreno Marino, Juan Nicolas"] [Result "0-1"] [ECO "A00"] [WhiteElo "1880"] [BlackElo "1928"] [PlyCount "38"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 Nc6 7. a3 d6 8. Bd3 dxe5 9. dxe5 Qa5+ 10. Nbd2 Nf4 11. Bc4 b5 12. Bf1 Bb7 13. b4 Bxb4 14. axb4 Qxa1 15. Nb3 Qc3+ 16. Bd2 Nd3+ 17. Ke2 Qc4 18. Ke3 Ncxb4 19. Nbd4 Nd5+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.2"] [White "Rico Duran, Juan Sebastian"] [Black "Vargas Viscaino, Jesus Daniel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1828"] [BlackElo "1892"] [PlyCount "70"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 Be7 10. e5 Nd5 11. Ne4 h6 12. Bd2 Nd7 13. Rc1 Bb7 14. O-O Rc8 15. a4 Qb6 16. Qb3 O-O 17. Rc2 b4 18. Qc4 c5 19. dxc5 Nxc5 20. Nxc5 Bxc5 21. Qg4 f5 22. Qh5 Ne7 23. Bxh6 gxh6 24. Qxh6 Bxf3 25. gxf3 Rf7 26. Kh1 Rg7 27. Rcc1 Ng6 28. Rg1 Kf7 29. Bc4 Qc6 30. Qh5 Rf8 31. Bxe6+ Qxe6 32. Rxc5 Rh8 33. Rc7+ Kf8 34. Rxg6 Rxh5 35. Rgxg7 Qxe5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.3"] [White "Ospina Castro, Santiago"] [Black "Hernandez, Jeronimo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "2088"] [BlackElo "2141"] [PlyCount "77"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 O-O 7. h3 h6 8. Re1 a6 9. Bb3 Bb6 10. Nbd2 Na5 11. Bc2 c5 12. Nf1 Nc6 13. Ng3 d5 14. exd5 Qxd5 15. Bb3 Qd6 16. Ne4 Nxe4 17. dxe4 Qg6 18. Kh1 c4 19. Bxc4 Bxf2 20. Rf1 Bg3 21. Qe2 Kh8 22. Bd2 f5 23. Be1 f4 24. Bxg3 Qxg3 25. Bd5 Re8 26. Bxc6 bxc6 27. Qf2 Qg6 28. Qc5 Rb8 29. Nxe5 Qh5 30. Nd3 Qxc5 31. Nxc5 Rxb2 32. Rxf4 Rb5 33. Nb3 Rbe5 34. Re1 Bf5 35. Nd2 g5 36. Rf2 Bxe4 37. Nxe4 Rxe4 38. Rxe4 Rxe4 39. Rf6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.4"] [White "Cordoba Roa, Angel Gabriel"] [Black "Cordoba Perez, Jeronimo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "2106"] [BlackElo "1838"] [PlyCount "101"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. Nf3 Bf5 5. e3 e6 6. h3 Bb4 7. Nd2 O-O 8. Bd3 Nbd7 9. O-O Re8 10. Ne2 Bxd3 11. cxd3 e5 12. dxe5 Nxe5 13. Bxe5 Rxe5 14. Nf3 Re7 15. a3 Bd6 16. Qa4 Nd7 17. b4 a5 18. Qb3 Qb6 19. Rab1 axb4 20. axb4 g6 21. d4 Nf6 22. Nc3 Ne4 23. Nxe4 dxe4 24. Nd2 Qb5 25. Nc4 Re6 26. Rfc1 Bf8 27. Nd2 Ra4 28. Rc4 Re8 29. Qc2 f5 30. Rc3 Rxb4 31. Rcb3 Rxb3 32. Rxb3 Qa6 33. Nc4 b5 34. Nd2 b4 35. Rb2 Ra8 36. Qb3+ Kg7 37. Qe6 Qa1+ 38. Rb1 Qa2 39. Qxc6 Ra3 40. Qc7+ Kh6 41. Qf4+ Kg7 42. Rc1 Rc3 43. Rxc3 Qa1+ 44. Kh2 bxc3 45. Qe5+ Kg8 46. Qe6+ Kg7 47. Nc4 Qa2 48. Qd7+ Kg8 49. Ne5 c2 50. d5 Qa3 51. Qf7+ 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.5"] [White "Gonzalez Mojica, Renan Arturo"] [Black "Londono Lopez, Donaldo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1981"] [BlackElo "2070"] [PlyCount "87"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 O-O 8. Nf3 Qa5 9. Bd2 Bxa6 10. Bxa6 Qxa6 11. Qe2 d6 12. a4 Nbd7 13. Nb5 Rfb8 14. O-O Ne8 15. Bg5 Nc7 16. h4 Nxb5 17. axb5 Qxa1 18. Rxa1 Rxa1+ 19. Kh2 Kf8 20. Bf4 Ra4 21. g3 f6 22. h5 Ke8 23. hxg6 hxg6 24. e5 Nxe5 25. Nxe5 dxe5 26. Qc2 Raa8 27. Qxg6+ Kf8 28. Be3 Rc8 29. b6 Rab8 30. Qc2 Rxb6 31. Bxc5 Kf7 32. b4 Rbb8 33. Qf5 Bf8 34. Qe6+ Kg7 35. g4 Rd8 36. Kh3 Rb7 37. Kh4 Rbd7 38. Kh5 Rxd5 39. Bxe7 e4+ 40. g5 Bxe7 41. Qxe7+ Kh8 42. Qxf6+ Kg8 43. Qg6+ Kf8 44. Qxe4 {Disney} 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.6"] [White "Mesa Baez, Samuel"] [Black "Rodriguez Valencia, Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1907"] [BlackElo "1786"] [PlyCount "156"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d6 5. Bg2 g6 6. O-O Bg7 7. c3 e5 8. Be3 Qb6 9. Nbd2 Be6 10. Ng5 Nd8 11. b4 Qc6 12. f4 cxb4 13. f5 Bd7 14. fxg6 hxg6 15. cxb4 Qa4 16. Qxa4 Bxa4 17. Nc4 Ke7 18. Rac1 Nh6 19. h3 Bd7 20. Nxd6 b6 21. Nc4 Rc8 22. Bd2 Ne6 23. Nf3 Nd4 24. Nxd4 exd4 25. Bf4 Be6 26. a4 Rhd8 27. Ne5 Ke8 28. Nc6 Rd7 29. b5 Bb3 30. Ra1 Bc2 31. Nb4 Bf8 32. Nd5 Ng8 33. Rfc1 Rc5 34. Bf1 f6 35. Bd2 Bb3 36. Rxc5 Bxc5 37. Nf4 Kf7 38. Be2 Ne7 39. Bd1 Bxd1 40. Rxd1 g5 41. Ne2 Ng6 42. Rf1 Ke6 43. h4 gxh4 44. gxh4 Nxh4 45. Nf4+ Ke5 46. Be1 Rg7+ 47. Kh2 Ng6 48. Nh5 Rf7 49. Rf5+ Ke6 50. Bg3 Ne7 51. Nf4+ Kd7 52. Rh5 Bd6 53. Ne2 Be5 54. Kg2 Rg7 55. Kf3 Ng6 56. Bf4 Bxf4 57. Nxf4 Ne5+ 58. Ke2 Rg4 59. Rf5 Rg1 60. Rxf6 Ra1 61. Rf5 Ra2+ 62. Kd1 Kd6 63. Rf6+ Kd7 64. Rf5 Kd6 65. Rf8 Rxa4 66. Rd8+ Ke7 67. Rd5 Ng4 68. Ke2 Kf6 69. Rf5+ Ke7 70. Nd5+ Kd6 71. Nf6 Ra2+ 72. Ke1 Ne5 73. Ne8+ Ke6 74. Nc7+ Kd6 75. Ne8+ Ke6 76. Ng7+ Kd6 77. Ne8+ Ke6 78. Rf6+ Ke7 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.7"] [White "Sanchez Arroyave, Juan Pablo"] [Black "Ortiz Monsalve, Sebastian"] [Result "1-0"] [ECO "A00"] [WhiteElo "2079"] [BlackElo "1563"] [PlyCount "69"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 Nf6 2. g3 g6 3. Bg2 c5 4. O-O Bg7 5. c4 Nc6 6. Nc3 e5 7. d3 O-O 8. Ne1 d6 9. Nc2 Be6 10. Bg5 Qd7 11. Re1 Ne8 12. Rb1 h6 13. Bd2 a5 14. a3 a4 15. b3 axb3 16. Rxb3 Na5 17. Rb6 Qd8 18. Qb1 Bxc4 19. Nd5 Bxd5 20. Bxd5 Nc7 21. Bxb7 Nxb7 22. Rxb7 Nd5 23. Qb3 Nf6 24. Rb1 Qc8 25. Kg2 Qc6+ 26. f3 d5 27. Bc3 c4 28. dxc4 d4 29. Bd2 Rfc8 30. c5 Nd5 31. e4 Qxc5 32. Rc1 Nc7 33. Ne3 Qxa3 34. Qxa3 Rxa3 35. Nf1 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.8"] [White "Olivella Fonseca, Fabio Junior"] [Black "Borre Meza, Orlando David"] [Result "0-1"] [ECO "A00"] [WhiteElo "1753"] [BlackElo "1498"] [PlyCount "66"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. e3 O-O 6. Bd3 b6 7. cxd5 exd5 8. O-O Bb7 9. b3 Nbd7 10. Bb2 Ne4 11. Rc1 c5 12. Nd2 Nxd2 13. Qxd2 cxd4 14. exd4 Bd6 15. Nb5 Nf6 16. Nxd6 Qxd6 17. f3 Rfe8 18. Rfe1 a5 19. Rxe8+ Rxe8 20. Re1 Rc8 21. a4 Nh5 22. Re5 Nf6 23. Qe3 Qb4 24. Re7 Bc6 25. Bf5 Rd8 26. Bc1 g6 27. Bh3 b5 28. Bd2 Qa3 29. axb5 Bxb5 30. Qe5 Qa1+ 31. Be1 Ne4 32. Qxe4 dxe4 33. Rxe4 Rxd4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.9"] [White "Brito Carrascal, Camilo Andres"] [Black "Ramirez Andrade, Leonardo Jesus"] [Result "1-0"] [ECO "A00"] [WhiteElo "1678"] [BlackElo "1795"] [PlyCount "95"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Nc3 Nbd7 8. Be3 a6 9. Be2 Qc7 10. Rc1 b6 11. a3 Bb7 12. b4 Rc8 13. O-O h5 14. Na4 h4 15. Qd2 Nh5 16. Bf2 g5 17. Nb3 Nf4 18. Rfe1 h3 19. g3 Ng2 20. Red1 Rg8 21. c5 dxc5 22. Qxd7+ Qxd7 23. Rxd7 Kxd7 24. Nxb6+ Kc7 25. Nxc8 Kxc8 26. Nxc5 Bxc5 27. Bxc5 Kd7 28. Rd1+ Kc7 29. a4 f5 30. e5 f4 31. g4 Nh4 32. Kf2 Ng6 33. Bc4 Re8 34. b5 axb5 35. axb5 Nh4 36. Be2 Ra8 37. b6+ Kc8 38. Be7 Bd5 39. Bxg5 Nxf3 40. Rxd5 Nxg5 41. Rd4 Ra2 42. Rxf4 Kb7 43. Rb4 Nf7 44. Rb5 Nh6 45. Ke3 Ng8 46. Bf3+ Kb8 47. Kf4 Rxh2 48. Ra5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.10"] [White "Caballero Marrugo, David Jose"] [Black "Carvajal Barreto, Misael Camilo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1759"] [BlackElo "1685"] [PlyCount "35"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. e4 Nc6 5. Bg2 d6 6. Nge2 e5 7. O-O Nd4 8. d3 a6 9. a4 Bd7 10. f4 Be7 11. f5 h6 12. h3 b5 13. axb5 axb5 14. Rxa8 Qxa8 15. Nxd4 cxd4 16. Nxb5 Bxb5 17. cxb5 Qb7 18. b6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.11"] [White "Diaz Larrea, Juan Manuel"] [Black "Echeverry Betancur, Jorge Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1748"] [BlackElo "1648"] [PlyCount "34"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 O-O 8. Rc1 Re8 9. Be2 Bg5 10. Bxg5 Qxg5 11. Nf3 Qxg2 12. Rg1 Qxf3 13. Kf1 Bh3+ 14. Ke1 Nc6 15. c5 dxc5 16. dxc5 Rad8 17. Qb3 Nd4 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.12"] [White "Padilla, Daniel Eduardo"] [Black "Diaz Avila, Jarett Alexander"] [Result "1-0"] [ECO "A00"] [WhiteElo "1708"] [BlackElo "1298"] [PlyCount "53"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bd7 5. e3 Nc6 6. Qc2 Be7 7. a3 a5 8. Bd2 O-O 9. cxd5 exd5 10. Bd3 Bg4 11. Ne5 Nxe5 12. dxe5 Nd7 13. Nxd5 Nxe5 14. Nxe7+ Qxe7 15. Bxh7+ Kh8 16. Bc3 f5 17. h3 Bh5 18. g4 Nf3+ 19. Ke2 Nh4 20. Bxf5 Nxf5 21. gxh5 Rf7 22. Rhg1 b5 23. Rg6 Qh4 24. Rag1 Nd4+ 25. Bxd4 Rxf2+ 26. Kd3 Rxc2 27. Rh6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.13"] [White "Puerta Rendon, Jacobo"] [Black "Orostegui Cardona, David Eduardo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1636"] [BlackElo "1633"] [PlyCount "67"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 Nfd7 6. Bc4 c5 7. Be3 O-O 8. Qd2 a6 9. O-O-O Nc6 10. Bh6 cxd4 11. Bxg7 Kxg7 12. Nxd4 Qa5 13. f4 Qc5 14. Bd5 Nxd4 15. Qxd4+ Qxd4 16. Rxd4 Rb8 17. Bb3 Nc5 18. Nd5 Be6 19. Nb6 Bxb3 20. axb3 Ne6 21. Rc4 Rfd8 22. f5 Nc5 23. Nd5 b5 24. Rd4 e6 25. f6+ Kf8 26. Ne7 e5 27. Rdd1 Nxe4 28. Nc6 Nf2 29. Nxb8 Rxb8 30. Rhf1 Nxd1 31. Rxd1 Rb6 32. g4 h6 33. Rf1 Ke8 34. Rf5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.14"] [White "Salcedo Rodelo, Brayan"] [Black "Rueda Ahumada, Gabriel Omar"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1619"] [BlackElo "1482"] [PlyCount "69"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. Nf3 g6 2. b3 Nf6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 c5 6. h4 d5 7. h5 d4 8. c3 Nc6 9. hxg6 hxg6 10. d3 e5 11. Ng5 Bf5 12. Nd2 Nd5 13. Nge4 b6 14. c4 Nde7 15. f3 Re8 16. a3 a5 17. Bc1 Bd7 18. Nd6 Rf8 19. N2e4 Be6 20. Rb1 Rb8 21. Nb5 Nf5 22. Bh3 Ne3 23. Bxe3 Bxh3 24. Bd2 Be6 25. Qc1 f5 26. Bg5 Qd7 27. Ned6 e4 28. Bh6 exd3 29. exd3 Na7 30. Bxg7 Qxg7 31. Nxa7 Qxa7 32. Qg5 Qg7 33. Rh6 Bf7 34. Nxf7 Kxf7 35. Kf2 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.16"] [White "Sanchez Cabarcas, Samuel Alejandro"] [Black "Varela Sanchez, David Yoel"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1652"] [BlackElo "1342"] [PlyCount "83"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. d3 d6 6. c3 g6 7. Nbd2 Bg7 8. Nf1 O-O 9. Ng3 d5 10. Qe2 Bg4 11. O-O d4 12. h3 Be6 13. Rd1 b5 14. Bc2 Qd6 15. a3 Rfd8 16. Bd2 Nc8 17. Rac1 Nb6 18. cxd4 Nxd4 19. Nxd4 Qxd4 20. Bc3 Qd6 21. Ba5 c5 22. Qe3 Rdc8 23. b4 Nd7 24. Ne2 cxb4 25. Bxb4 Qb6 26. Qxb6 Nxb6 27. Bb1 Rxc1 28. Rxc1 Rc8 29. Rxc8+ Nxc8 30. f4 exf4 31. Nxf4 Bd4+ 32. Kf1 Bb3 33. Nd5 Bxd5 34. exd5 Bb6 35. d6 a5 36. d7 Na7 37. Bc5 Bd8 38. Bxa7 f6 39. Ba2+ Kg7 40. Bc5 h6 41. Bd5 h5 42. Bc6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.17"] [White "Castro Herrera, Juan Sebastian"] [Black "Carvajal Barreto, Johan Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1375"] [BlackElo "1771"] [PlyCount "78"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 7. d5 Ne5 8. Bb5+ c6 9. dxc6 bxc6 10. Be2 Nf6 11. Nxe5 dxe5 12. Qxd8+ Bxd8 13. O-O Rb8 14. Nc3 Ba5 15. Bf3 Ba6 16. Rd1 Ke7 17. b3 Bxc3 18. Ba3+ Bb4 19. Bb2 Bd6 20. h3 Rhd8 21. Rac1 Bb7 22. Bc3 c5 23. Bd2 Bxe4 24. Bxe4 Nxe4 25. Be3 f5 26. Rc2 f4 27. Bc1 Ke6 28. f3 Ng3 29. Bd2 Bc7 30. Re1 Kf5 31. Kh2 Rxd2 32. Rxd2 Ba5 33. Rd7 Bxe1 34. Rf7+ Ke6 35. Rxg7 h5 36. Kg1 Rd8 37. Rg6+ Kf5 38. Rg7 Rd1 39. Rxg3 Bxg3# 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.18"] [White "Rivera Fernandez, Fredy Alejandro"] [Black "Viasus, Juan Diego"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1391"] [BlackElo "1272"] [PlyCount "70"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. f3 d6 8. Nc3 O-O 9. Be2 Bd7 10. O-O a5 11. Ndb5 Rb8 12. Nd5 Nxd5 13. cxd5 Ne5 14. f4 Bxb5 15. Bxb5 Nd7 16. Bxd7 Qxd7 17. Bd4 b5 18. Bxg7 Kxg7 19. Qd4+ Kg8 20. f5 f6 21. Rf3 Rbc8 22. Rg3 Kg7 23. h4 Rc2 24. h5 g5 25. Rxg5+ Kf7 26. Rg3 Rfc8 27. h6 Rg8 28. Rxg8 Kxg8 29. Qd3 Qa7+ 30. Kh2 Qf2 31. Qh3 Rxb2 32. Qg4+ Kf7 33. Rc1 Rc2 34. Qg7+ Ke8 35. Rxc2 Qh4+ 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.19"] [White "Merino Vanegas, Santiago Andres"] [Black "Gamarra Pardo, Sebastian Andres"] [Result "0-1"] [ECO "A00"] [WhiteElo "1136"] [BlackElo "1369"] [PlyCount "57"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 Nf6 8. f3 Qb6 9. Bb3 Nxe4 10. Nf5 Bxc3+ 11. bxc3 Qa5 12. fxe4 gxf5 13. O-O Qxc3 14. Bh6 Qd4+ 15. Kh1 Qxd1 16. Raxd1 Be6 17. exf5 Bxb3 18. cxb3 f6 19. Rfe1 Rg8 20. Rxd6 Rd8 21. Rxd8+ Kxd8 22. Rd1+ Ke8 23. h3 Rg3 24. Kh2 Rc3 25. Rc1 Rd3 26. Rc4 Kf7 27. Bf4 a5 28. Ra4 b5 29. Ra3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.20"] [White "Norena Marin, Jeronimo"] [Black "Sepulveda Brango, Alberto Enrique"] [Result "0-1"] [ECO "A00"] [WhiteElo "1368"] [BlackElo "1231"] [PlyCount "88"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Bg3 Nf6 5. Nf3 Nbd7 6. Bd3 O-O 7. c3 Qe7 8. O-O e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Bxe5 Qxe5 12. Nd2 Bg4 13. Be2 Bxe2 14. Qxe2 c6 15. Nf3 Qd6 16. Rad1 Qe6 17. Nd4 Qe7 18. Nf5 Qe5 19. Qf3 Rad8 20. Rd3 Qe4 21. Qxe4 Nxe4 22. Rfd1 Rfe8 23. c4 g6 24. Nh4 Nf6 25. cxd5 Rxd5 26. Rxd5 Nxd5 27. Rd4 f5 28. Nf3 Kg7 29. Kf1 Kf6 30. Nd2 Ke6 31. Nb3 b6 32. Rh4 Re7 33. Rc4 c5 34. Nc1 Kd6 35. Nd3 Rxe3 36. Nf4 Re4 37. Rxe4 fxe4 38. Nxd5 Kxd5 39. Ke2 Kd4 40. Kd2 h5 41. Ke2 c4 42. Kd2 b5 43. h3 b4 44. g3 c3+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.21"] [White "Ramirez Girado, Joshua Daid"] [Black "Conto Garcia, Nicolas Alberto"] [Result "0-1"] [ECO "A00"] [BlackElo "1281"] [PlyCount "28"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d3 Nf6 5. h3 O-O 6. O-O d5 7. exd5 Nxd5 8. Bd2 Bf6 9. Bxd5 Qxd5 10. Nc3 Qd8 11. Ne4 Bf5 12. Neg5 Nd4 13. Bb4 Bxg5 14. Bxf8 Kxf8 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.22"] [White "Serrano Arrieta, Cristian"] [Black "Marquez Leon, Jaime Jatnyel"] [Result "1-0"] [ECO "A00"] [WhiteElo "1234"] [PlyCount "36"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 c5 4. exd5 exd5 5. dxc5 Nf6 6. Nf3 Bxc5 7. Qe2+ Qe7 8. Qxe7+ Kxe7 9. Bg5 Nc6 10. Nxd5+ Kd7 11. Bxf6 gxf6 12. O-O-O Rb8 13. Nxf6+ Kc7 14. Bc4 Bxf2 15. Bxf7 Be3+ 16. Kb1 Rf8 17. Nd5+ Kd7 18. Nxe3+ Ke7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.23"] [White "Zapata Polo, Orlando Jose"] [Black "Rivera Crespo, Victor"] [Result "1-0"] [ECO "A00"] [WhiteElo "1195"] [PlyCount "49"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Nxe5 5. d4 Bb6 6. dxe5 Ne7 7. Bc4 O-O 8. O-O Ng6 9. Qh5 Qh4 10. Qxh4 Nxh4 11. Bf4 Ng6 12. Bg3 c6 13. Kh1 Bd4 14. Rad1 Bxe5 15. Bxe5 Nxe5 16. Bb3 b5 17. a3 Ba6 18. Rfe1 Rad8 19. a4 b4 20. Na2 c5 21. Bd5 Rb8 22. b3 Bb7 23. Bxb7 Rxb7 24. Rd5 Ng4 25. Rxc5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.24"] [White "Payares Diaz, Alejandro"] [Black "De La Ossa, Madera Ethan"] [Result "1-0"] [ECO "A00"] [WhiteElo "1427"] [BlackElo "1473"] [PlyCount "33"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Bd6 5. d4 Nf6 6. Nc3 O-O 7. Be2 Bg4 8. O-O Re8 9. Ne1 Bxe2 10. Nxe2 Nxd5 11. Nxf4 Nxf4 12. Bxf4 Nc6 13. c3 Qf6 14. Nd3 Rad8 15. Qd2 Nxd4 16. Bg5 Qe5 17. Nxe5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.25"] [White "Torres Charris, Havid Jose"] [Black "Mercado Florez, Diego Armando"] [Result "1-0"] [ECO "A00"] [BlackElo "1263"] [PlyCount "100"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 a6 7. Ba4 b5 8. Bb3 Na5 9. Nbd2 Bb7 10. Nxe5 Nxb3 11. axb3 d5 12. exd5 Qxd5 13. Nef3 Bd6 14. Nf1 Rfe8 15. Ne3 Qh5 16. Bd2 Bxf3 17. Qxf3 Qxh2+ 18. Kf1 Qh1+ 19. Ke2 Qh5 20. Rh1 Qxf3+ 21. Kxf3 Re6 22. Ra5 Bc5 23. Rha1 Bd4 24. c3 Bb6 25. Rxa6 Rxa6 26. Rxa6 Bxe3 27. Ra8+ Re8 28. Rxe8+ Nxe8 29. Bxe3 Nf6 30. c4 c6 31. g4 h5 32. gxh5 Nxh5 33. Bd4 f5 34. Be3 Kf7 35. Kg2 Kf6 36. f4 Kg6 37. Kf3 Nf6 38. Bd4 Ng4 39. Kg3 Kh6 40. b4 g6 41. b3 Kh5 42. Bg1 g5 43. d4 gxf4+ 44. Kxf4 Kg6 45. d5 bxc4 46. bxc4 cxd5 47. cxd5 Nf6 48. Ke5 Ng4+ 49. Ke6 f4 50. d6 f3 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.27"] [White "Alzate Araujo, Miguel Angel"] [Black "Toncel Diaz, Carlos De Jesus"] [Result "1-0"] [ECO "A00"] [WhiteElo "1217"] [PlyCount "79"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bf4 c5 5. Nf3 a6 6. e3 Nc6 7. Be2 Be7 8. O-O Ne4 9. cxd5 Nxc3 10. bxc3 exd5 11. Qc2 g5 12. Bg3 g4 13. Nd2 h5 14. f3 h4 15. Be1 Rg8 16. Qh7 Kf8 17. fxg4 Be6 18. Nf3 Bf6 19. Bxh4 Rh8 20. Qxh8+ Bxh8 21. Bxd8 Rxd8 22. Ng5 Ke7 23. Nxe6 Kxe6 24. Rf2 cxd4 25. exd4 Rb8 26. Rf4 b5 27. Raf1 Nd8 28. Re1 Kd6 29. Rf5 a5 30. Bf3 b4 31. Rxd5+ Kc7 32. Re7+ Kc8 33. Rc5+ Nc6 34. Rxc6+ Kd8 35. Rcc7 bxc3 36. Rcd7+ Kc8 37. Bc6 Rb1+ 38. Kf2 Bf6 39. Re8+ Bd8 40. Rexd8# 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "8.28"] [White "Balza Gil, Salvatore"] [Black "Escorcia Bolano, Andrees Josee"] [Result "1-0"] [ECO "A00"] [WhiteElo "1033"] [PlyCount "85"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 e5 2. Nf3 Nc6 3. dxe5 d6 4. exd6 Bxd6 5. Nbd2 Nf6 6. e4 O-O 7. Bb5 Nb4 8. O-O Bg4 9. c3 Qe7 10. cxb4 c6 11. Ba4 b5 12. Bc2 h6 13. Qe1 Rae8 14. a3 Nh5 15. Qe3 Nf4 16. e5 Nh3+ 17. Kh1 Ng5 18. Nxg5 hxg5 19. Nf3 Bxe5 20. Qe4 f5 21. Qxe5 Qxe5 22. Nxe5 Rxe5 23. Bxg5 f4 24. Bh4 f3 25. Bg3 fxg2+ 26. Kxg2 Rh5 27. Kg1 Rf3 28. Rfe1 Bd7 29. Re7 Rd5 30. Be4 Bg4 31. Bxd5+ cxd5 32. Rxa7 Bh3 33. Be5 Be6 34. Rxg7+ Kf8 35. Re1 Rf5 36. Ra7 Rg5+ 37. Kh1 d4 38. Bd6+ Kg8 39. Rxe6 Rg7 40. Re8+ Kh7 41. Be5 Rxa7 42. Bxd4 Kg6 43. Bxa7 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.1"] [White "Vargas Viscaino, Jesus Daniel"] [Black "Moreno Marino, Juan Nicolas"] [Result "1-0"] [ECO "A00"] [WhiteElo "1892"] [BlackElo "1928"] [PlyCount "43"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 a6 5. d4 cxd4 6. Nxd4 Qc7 7. Bd3 Nf6 8. Nxc6 dxc6 9. e5 Nd5 10. O-O b5 11. Nd2 Bb7 12. c4 Nb6 13. Qe2 Rd8 14. Rfd1 Nd7 15. Rac1 b4 16. f4 Bc5+ 17. Kh1 O-O 18. Ne4 Be7 19. Nf6+ gxf6 20. Bxh7+ Kxh7 21. Qh5+ Kg7 22. Qg4+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.3"] [White "Hernandez, Jeronimo"] [Black "Sanchez Arroyave, Juan Pablo"] [Result "1-0"] [ECO "A00"] [WhiteElo "2141"] [BlackElo "2079"] [PlyCount "45"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. a3 Be7 8. Bd3 Nc6 9. O-O O-O 10. Qc2 h6 11. Qe2 dxe5 12. dxe5 Bd7 13. Nc3 Nxc3 14. bxc3 h5 15. Qe4 g6 16. Bh6 Re8 17. Rad1 Qa5 18. Bc4 Qc7 19. Qf4 Rad8 20. Ng5 Bxg5 21. Bxg5 Rb8 22. Bf6 Kh7 23. Qg5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.4"] [White "Borre Meza, Orlando David"] [Black "Cordoba Roa, Angel Gabriel"] [Result "0-1"] [ECO "A70"] [WhiteElo "1498"] [BlackElo "2106"] [PlyCount "74"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 O-O 9. O-O Bg4 10. h3 Bxf3 11. Qxf3 a6 12. a4 Nbd7 13. Qe2 Re8 14. f4 c4 15. Bb1 Rc8 16. Qf3 b5 17. axb5 axb5 18. Be3 b4 19. Nb5 Nc5 20. Na7 Nfxe4 21. Bxe4 Nxe4 22. Nxc8 Qxc8 23. Ra4 Qb7 24. f5 gxf5 25. Rd1 c3 26. Qxf5 Qe7 27. Ra7 Qf6 28. Qd7 Rd8 29. Qb7 cxb2 30. Qxb4 Nc3 31. Re1 Nxd5 32. Qd2 Nxe3 33. Qxe3 Qd4 34. Rb7 Qxe3+ 35. Rxe3 Bd4 36. Kf2 Re8 37. Rxb2 Rxe3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.5"] [White "Cordoba Perez, Jeronimo"] [Black "Ospina Castro, Santiago"] [Result "0-1"] [ECO "A00"] [WhiteElo "1838"] [BlackElo "2088"] [PlyCount "114"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Be7 5. Be2 c5 6. cxd5 Nxd5 7. O-O O-O 8. Bb2 b6 9. Na3 Bb7 10. Nc4 Nc6 11. d4 cxd4 12. Nxd4 Nxd4 13. Bxd4 Bf6 14. Bf3 Qe7 15. Ne5 Rfd8 16. Qe2 Nf4 17. exf4 Rxd4 18. Bxb7 Qxb7 19. g3 Rad8 20. Rad1 Bxe5 21. fxe5 g6 22. Rxd4 Rxd4 23. Re1 Qd5 24. Qa6 Qd7 25. Rc1 Kg7 26. h4 Re4 27. Qc8 Re1+ 28. Kh2 Qxc8 29. Rxc8 Rxe5 30. Kg2 Re2 31. a4 Rb2 32. Rc7 a5 33. Rc3 Kf6 34. Kf3 Ke5 35. Rd3 h5 36. Ke3 Rc2 37. f4+ Kf5 38. Kf3 Rc5 39. Re3 Kf6 40. Kg2 Ke7 41. Kf3 Kd6 42. Ke4 Rc1 43. Rd3+ Kc5 44. Ke5 Kb4 45. Kf6 Rc3 46. Rd4+ Kxb3 47. Kxf7 Rxg3 48. Kxe6 Rg4 49. Kf6 Kc3 50. Re4 Kd3 51. Re6 Rxf4+ 52. Kxg6 Rxh4 53. Rxb6 Rxa4 54. Kxh5 Rd4 55. Kg5 a4 56. Kf5 Rd5+ 57. Ke6 Ra5 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.6"] [White "Rodriguez Valencia, Sebastian"] [Black "Caballero Marrugo, David Jose"] [Result "0-1"] [ECO "A00"] [WhiteElo "1786"] [BlackElo "1759"] [PlyCount "39"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e3 e5 6. Nge2 c6 7. d4 d6 8. O-O Nbd7 9. b3 Re8 10. Ba3 Nf8 11. Qd2 Bf5 12. Rad1 e4 13. d5 c5 14. b4 b6 15. Rb1 N8d7 16. bxc5 bxc5 17. Nb5 Ne5 18. Qc2 a6 19. Nbc3 Nxc4 20. Bc1 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.7"] [White "Londono Lopez, Donaldo"] [Black "Padilla, Daniel Eduardo"] [Result "1-0"] [ECO "A00"] [WhiteElo "2070"] [BlackElo "1708"] [PlyCount "23"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 O-O 9. dxc5 Bxc5 10. Bd3 Nb6 11. Bxc5 Re8 12. Ng5 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.9"] [White "Echeverry Betancur, Jorge Andres"] [Black "Rico Duran, Juan Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1648"] [BlackElo "1828"] [PlyCount "128"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nf6 5. Nc3 Qa5 6. d4 e6 7. O-O Nbd7 8. Re1 c6 9. h3 Bh5 10. a3 Bd6 11. Bc4 O-O 12. Qd3 Rad8 13. Qe3 Nd5 14. Nxd5 exd5 15. Bd2 Qb6 16. Bd3 c5 17. c3 c4 18. Bf5 Bg6 19. Bxg6 hxg6 20. Rab1 Nf6 21. Ng5 Rde8 22. Qf3 Rxe1+ 23. Bxe1 Bxa3 24. Qd1 Bd6 25. Bd2 Re8 26. Be3 Qc6 27. Qf3 Qa4 28. b3 cxb3 29. Qd1 Rc8 30. Qxb3 Qxb3 31. Rxb3 b6 32. Kf1 Rc6 33. Ke2 a6 34. Kd3 Nd7 35. Rb1 b5 36. Nf3 f6 37. g3 Nb6 38. Nd2 Na4 39. Rb3 g5 40. Nf3 Kf7 41. h4 gxh4 42. Nxh4 g6 43. Ng2 Rc8 44. Nf4 Bxf4 45. Bxf4 Ke6 46. Ra3 Kf5 47. Bd2 Kg4 48. Ke2 Kf5 49. Kd3 Rc6 50. Ra2 Kg4 51. Be1 Re6 52. Re2 Rxe2 53. Kxe2 Nb2 54. c4 Nxc4 55. f3+ Kh3 56. g4 Kg2 57. f4 f5 58. gxf5 gxf5 59. Bh4 b4 60. Kd1 b3 61. Bf6 Kf2 62. Be5 Ke3 63. Kc1 Kd3 64. Kb1 Kc3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.11"] [White "Ortiz Monsalve, Sebastian"] [Black "De La Hoz Paternina, Felix Daniel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1563"] [BlackElo "1362"] [PlyCount "80"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c6 2. d4 d5 3. e5 f6 4. Bd3 g6 5. f4 Bg7 6. Nf3 Bg4 7. O-O Nd7 8. c4 e6 9. Nc3 Ne7 10. h3 Bxf3 11. Qxf3 O-O 12. g4 fxe5 13. dxe5 Nxe5 14. Qe3 d4 15. Qe2 Nxd3 16. Qxe6+ Kh8 17. Ne4 Nc8 18. Ng5 Qe8 19. f5 Qxe6 20. Nxe6 Rf7 21. Bg5 gxf5 22. Nd8 Rd7 23. gxf5 Nb6 24. f6 Bf8 25. Ne6 Nc5 26. Nf4 d3 27. Nh5 Ne4 28. Bh4 Bc5+ 29. Kh1 d2 30. Rad1 Nxc4 31. f7 Ne3 32. Nf6 Nxf1 33. Nxd7 Bf8 34. Nxf8 Rxf8 35. Rxf1 Rxf7 36. Rd1 Rf4 37. Bg5 Rf1+ 38. Rxf1 Ng3+ 39. Kg2 Nxf1 40. Bxd2 Nxd2 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.14"] [White "Gamarra Pardo, Sebastian Andres"] [Black "Diaz Larrea, Juan Manuel"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1369"] [BlackElo "1748"] [PlyCount "39"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. Nc3 e5 7. d3 Be7 8. h3 Be6 9. Bd2 O-O 10. O-O h6 11. Kh2 a6 12. Rc1 f5 13. Nxd5 Bxd5 14. a3 Nd4 15. Bc3 b5 16. Bxd4 cxd4 17. Nd2 Bxg2 18. Kxg2 Bf6 19. Rc5 Qb6 20. Qc2 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.15"] [White "Carvajal Barreto, Misael Camilo"] [Black "Diaz Avila, Jarett Alexander"] [Result "1-0"] [ECO "A00"] [WhiteElo "1685"] [BlackElo "1298"] [PlyCount "65"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. a3 a5 4. Nf3 Nf6 5. Nc3 Be7 6. e3 O-O 7. Bd2 h6 8. Ne5 Nbd7 9. f4 Nxe5 10. fxe5 Nh7 11. Qc2 f5 12. g3 Ng5 13. O-O-O Ne4 14. Nxe4 fxe4 15. Bh3 Bg5 16. Rhf1 Be7 17. Rxf8+ Bxf8 18. Kb1 c6 19. Rf1 b5 20. cxb5 cxb5 21. Qc6 Kh8 22. Qxa8 Qe8 23. Bxe6 b4 24. Qxc8 Qxc8 25. Bxc8 Be7 26. Be6 bxa3 27. bxa3 a4 28. Bxd5 h5 29. Bxe4 h4 30. gxh4 g5 31. hxg5 Kg7 32. d5 Bxg5 33. d6 1-0 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.16"] [White "Sepulveda Brango, Alberto Enrique"] [Black "Puerta Rendon, Jacobo"] [Result "0-1"] [ECO "C45"] [WhiteElo "1231"] [BlackElo "1636"] [PlyCount "70"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Bb6 7. Bc4 Nf6 8. O-O O-O 9. Nxc6 bxc6 10. Qf3 d5 11. exd5 cxd5 12. Bd3 Ng4 13. Bxb6 axb6 14. Nd2 Ne5 15. Bxh7+ Kxh7 16. Qh5+ Kg8 17. Qxe5 Re8 18. Qf4 Qe7 19. Nf3 c6 20. a3 Qc5 21. Rfe1 Bd7 22. Ne5 Be6 23. Qb4 Qxb4 24. axb4 c5 25. bxc5 bxc5 26. Nd3 c4 27. Nb4 d4 28. cxd4 Rxa1 29. Rxa1 Rb8 30. Nc6 Rxb2 31. h3 c3 32. Kh2 c2 33. d5 Rb1 34. dxe6 Rxa1 35. e7 Re1 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.17"] [White "Conto Garcia, Nicolas Alberto"] [Black "Salcedo Rodelo, Brayan"] [Result "0-1"] [ECO "A00"] [WhiteElo "1281"] [BlackElo "1619"] [PlyCount "104"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 h5 5. d3 e5 6. Be3 Bg4 7. Qd2 Nd4 8. h3 Be6 9. Nf3 Be7 10. Ng5 Bxg5 11. Bxg5 f6 12. Be3 b5 13. Bxd4 cxd4 14. Ne2 g5 15. O-O Qd7 16. Kh2 Nh6 17. f4 gxf4 18. gxf4 a5 19. f5 Bf7 20. Qe1 Ke7 21. c3 dxc3 22. Nxc3 b4 23. Ne2 Rac8 24. a3 Rc2 25. axb4 a4 26. d4 Bc4 27. Rf2 Rxb2 28. dxe5 dxe5 29. Nc3 Rxf2 30. Qxf2 Qd4 31. Qxd4 exd4 32. Nd1 Bb3 33. Nb2 Rb8 34. Nd3 Nf7 35. Rc1 Kd6 36. e5+ Nxe5 37. Nf2 Bd5 38. Bxd5 Kxd5 39. Rc5+ Kd6 40. Ne4+ Ke7 41. Rc7+ Kd8 42. Rh7 Nd7 43. Rh6 a3 44. Nxf6 Nxf6 45. Rxf6 Rxb4 46. Ra6 Rb2+ 47. Kg3 a2 48. Kf4 d3 49. f6 Ke8 50. Kf5 Rf2+ 51. Ke6 Rxf6+ 52. Kxf6 d2 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.22"] [White "Balza Gil, Salvatore"] [Black "Alzate Araujo, Miguel Angel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1033"] [BlackElo "1217"] [PlyCount "42"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qb3 c4 6. Qc2 g6 7. Nd2 Bf5 8. Qa4+ Nbd7 9. Qb4 e6 10. Qxb6 axb6 11. Ngf3 Ra5 12. Ne5 Bc2 13. Rc1 Bf5 14. Ra1 Be7 15. Nxd7 Kxd7 16. Be2 Rha8 17. a3 Bxa3 18. b4 Bxb4 19. Rxa5 Bxa5 20. Be5 Ne4 21. f3 Nxc3 0-1 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.23"] [White "Merino Vanegas, Santiago Andres"] [Black "Ramirez Girado, Joshua Daid"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1136"] [PlyCount "62"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 h6 5. d4 exd4 6. cxd4 Bb6 7. Nc3 d6 8. O-O Nge7 9. Be3 O-O 10. h3 a6 11. a3 Ba7 12. Qd2 b5 13. Ba2 b4 14. Nd5 a5 15. axb4 Ba6 16. Rfc1 axb4 17. Nxb4 Nxb4 18. Qxb4 Bb6 19. Bc4 Bxc4 20. Qxc4 d5 21. exd5 Nxd5 22. Bd2 Nf6 23. Bb4 Re8 24. Bc5 Qd5 25. Qxd5 Nxd5 26. Nd2 Nf4 27. Re1 Ne2+ 28. Kh2 Rxa1 29. Rxa1 Nxd4 30. Bxb6 cxb6 31. Ra4 Ne6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub-20"] [Site "Pabellón de Cristal, Malecón"] [Date "2022.07.10"] [Round "9.28"] [White "Toncel Diaz, Carlos De Jesus"] [Black "Malagon De Avila, Matias Alberto"] [Result "1-0"] [ECO "A00"] [PlyCount "61"] [EventDate "2022.07.06"] [EventRounds "9"] [EventCountry "COL"] 1. d4 e5 2. dxe5 d6 3. Nf3 dxe5 4. Qxd8+ Kxd8 5. Nxe5 Nf6 6. Nxf7+ Ke8 7. Nxh8 Bb4+ 8. Bd2 Nd5 9. Bxb4 Nxb4 10. Kd1 Bf5 11. Nd2 Nxc2 12. Rc1 Nc6 13. e4 Ne3+ 14. fxe3 Kd7 15. exf5 Rxh8 16. Bb5 a6 17. Bxc6+ bxc6 18. Rf1 Rd8 19. g4 Ke7 20. g5 h6 21. f6+ Kf7 22. Rxc6 gxf6 23. Rfxf6+ Kg7 24. Rxc7+ Kg8 25. gxh6 Rb8 26. h7+ Kh8 27. b3 Ra8 28. Nf3 Rd8+ 29. Ke2 Re8 30. Nh4 a5 31. Ng6# 1-0