[Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.1"] [White "Munoz Triana, Joseph Steve"] [Black "Hernandez Guarin, Samuel Andres"] [Result "1-0"] [WhiteElo "1888"] [BlackElo "1554"] [PlyCount "73"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nge2 d5 6. exd5 exd5 7. d4 cxd4 8. Nxd4 Bc5 9. Qe2+ Qe7 10. Qxe7+ Kxe7 11. Nb3 Bb4 12. O-O Bxc3 13. bxc3 Be6 14. Re1 Rhe8 15. Ba3+ Kd7 16. Nc5+ Kc7 17. Bc1 Na5 18. Bf4+ Kc6 19. Nd3 b6 20. Be5 Rac8 21. Nb4+ Kc5 22. Rad1 Red8 23. a4 Nc4 24. Bd4+ Kd6 25. Bxf6 gxf6 26. Bxd5 Bxd5 27. Rxd5+ Kc7 28. Re7+ Kb8 29. Nc6+ Rxc6 30. Rxd8+ Rc8 31. Rxc8+ Kxc8 32. Rxf7 Kb8 33. Rxh7 Nb2 34. h4 Nxa4 35. h5 Nxc3 36. h6 Ne4 37. Rg7 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.2"] [White "Gonzalez Bolivar, Juan Jose"] [Black "Hernandez Serrano, Cristhian Daniel"] [Result "0-1"] [WhiteElo "1544"] [BlackElo "1849"] [PlyCount "64"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. Be3 e5 8. Nxc6 bxc6 9. Be2 Be7 10. O-O O-O 11. Kh1 Rb8 12. Rb1 Qa5 13. Bd2 Be6 14. a3 Nd7 15. Qe1 f5 16. Bd3 f4 17. f3 Qd8 18. Qe2 Nb6 19. Rg1 Bh4 20. g4 fxg3 21. hxg3 Bg5 22. Kg2 Bxd2 23. Qxd2 Qf6 24. Qe2 Qg5 25. Rh1 Rf6 26. Rbg1 Rbf8 27. Rh2 Rxf3 28. Qxf3 Rxf3 29. Kxf3 Bg4+ 30. Kg2 Qd2+ 31. Kh1 Bf3+ 32. Rhg2 Qh6# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.3"] [White "Caballero Marrugo, David Jose"] [Black "Pilonieta Forero, Andres Felipe"] [Result "1-0"] [WhiteElo "1837"] [BlackElo "1514"] [PlyCount "121"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. Qa4 Bd7 5. b4 a6 6. Qb3 e5 7. a3 dxe3 8. dxe3 e4 9. Nd4 Ne5 10. Nd2 f5 11. Bb2 Qf6 12. Qc3 Nc6 13. Qc2 Nxd4 14. exd4 Nh6 15. Be2 Be7 16. Bh5+ Nf7 17. h4 Qh6 18. Be2 e3 19. fxe3 Qxe3 20. Nf3 O-O-O 21. Bc1 Qe4 22. Qxe4 fxe4 23. Ng5 Nxg5 24. hxg5 h6 25. gxh6 gxh6 26. Rxh6 Rxh6 27. Bxh6 Rh8 28. Be3 Rh1+ 29. Bf1 Bh4+ 30. Kd2 Bg4 31. Rc1 Bg3 32. Be2 Rh4 33. Bg5 Bf4+ 34. Bxf4 Bxe2 35. Kxe2 Rxf4 36. Rc3 Rg4 37. Kf2 e3+ 38. Rxe3 Rxd4 39. c5 Kd7 40. Kf3 b6 41. cxb6 cxb6 42. g4 a5 43. bxa5 bxa5 44. Kg3 Kd6 45. Kh4 Rd2 46. g5 Rh2+ 47. Kg4 Rg2+ 48. Kf5 Rf2+ 49. Kg6 Kd7 50. Kh7 Rh2+ 51. Kg7 Rh4 52. g6 Rf4 53. Kh7 Rh4+ 54. Kg8 Rf4 55. g7 Rh4 56. Rd3+ Ke7 57. Re3+ Kd7 58. Re5 a4 59. Kf7 Rh7 60. Kg6 Rh2 61. g8=Q 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.4"] [White "Sarmiento, Juan Diego"] [Black "Brito Carrascal, Camilo Andres"] [Result "0-1"] [WhiteElo "1489"] [BlackElo "1832"] [PlyCount "164"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nc3 Qc7 7. a3 b5 8. f3 Bb7 9. Be2 Nc6 10. O-O Rc8 11. Qd2 Nxd4 12. Bxd4 Bc5 13. Kh1 Bxd4 14. Qxd4 O-O 15. Rad1 d5 16. exd5 Nxd5 17. Nxd5 Bxd5 18. Rd2 f5 19. f4 Rcd8 20. Qe3 Qc6 21. Bf3 Bxf3 22. Rxf3 Qe4 23. Rd3 Rxd3 24. Qxd3 Qxd3 25. Rxd3 Rc8 26. c3 Kf7 27. Rd6 a5 28. Rb6 Rd8 29. h3 Rd5 30. Kh2 a4 31. c4 bxc4 32. Rb4 Ra5 33. g4 fxg4 34. hxg4 h5 35. gxh5 Rxh5+ 36. Kg3 Rc5 37. Rxa4 Kf6 38. Rb4 c3 39. bxc3 Rxc3+ 40. Kg4 Rxa3 41. Rb8 Ra4 42. Rb5 Rd4 43. Rc5 Rd5 44. Rc6 Rd1 45. Rc5 Rg1+ 46. Kf3 Rh1 47. Kg4 Rd1 48. Rb5 Rd5 49. Rb6 g6 50. Rc6 Rd4 51. Rc5 Rd5 52. Rc6 g5 53. fxg5+ Rxg5+ 54. Kf4 Ra5 55. Rc4 Rf5+ 56. Ke4 Rg5 57. Kf4 e5+ 58. Kf3 Kf5 59. Rb4 Rh5 60. Kg3 Rh1 61. Kf3 Rh3+ 62. Kf2 e4 63. Ke2 Kf4 64. Rb8 Rh2+ 65. Kf1 Kf3 66. Rf8+ Ke3 67. Re8 Rc2 68. Rb8 Rc1+ 69. Kg2 Ke2 70. Rb2+ Kd3 71. Rb3+ Rc3 72. Rb6 Ke3 73. Re6 Rd3 74. Kf1 Rd1+ 75. Kg2 Re1 76. Re8 Kd2 77. Kf2 e3+ 78. Kf3 Rf1+ 79. Kg2 e2 80. Rd8+ Kc3 81. Rc8+ Kb4 82. Rb8+ Kc5 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.5"] [White "Diaz Larrea, Juan Manuel"] [Black "Luna Velandia, Juan Sebastian"] [Result "1-0"] [WhiteElo "1819"] [BlackElo "1473"] [PlyCount "103"] [EventDate "2023.05.11"] [EventRounds "7"] [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. Kb1 Ne5 12. h4 h5 13. Bg5 hxg4 14. f4 Nc6 15. Nde2 Na5 16. Ng3 Nh5 17. Nxh5 Bxc3 18. bxc3 gxh5 19. Bh6 Re8 20. f5 e5 21. Bg5 Qb6+ 22. Kc1 d5 23. Be7 f6 24. Bb4 Kg7 25. Qxd5 Bc6 26. Qxa5 Qe3+ 27. Kb2 Qxe4 28. Bd3 Qxh1 29. Rxh1 Bxh1 30. Qxa7 Bd5 31. Qe3 Kh7 32. Be4 Bxe4 33. Qxe4 Rc7 34. c4 Rd8 35. Bc3 Rdc8 36. Kb3 b5 37. Qd5 bxc4+ 38. Kb2 Rg7 39. Be1 Rb8+ 40. Kc3 Re8 41. Qc6 Rf8 42. Bg3 Ra7 43. a4 Rff7 44. Bf2 Rac7 45. Qb5 Rg7 46. a5 g3 47. Bg1 g2 48. a6 Rg8 49. Qb6 Rf7 50. a7 Rff8 51. Qb7+ Kh8 52. Qf3 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.6"] [White "Moreno Hernandez, Andres Mauricio"] [Black "Molina Ballesteros, Juan Sebastian"] [Result "0-1"] [WhiteElo "1470"] [BlackElo "1805"] [PlyCount "60"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Be2 Nbd7 10. O-O Nb6 11. Nd2 d5 12. exd5 Nfxd5 13. Nxd5 Nxd5 14. Bf2 O-O 15. Bc4 b5 16. Bb3 Nf4 17. Bxe6 Nxe6 18. Re1 Qc7 19. c3 Rad8 20. Qc2 Nf4 21. Be3 Nd3 22. Re2 f5 23. a4 b4 24. Qb3+ Kh8 25. cxb4 f4 26. Bf2 Nc1 27. Qd1 Nxe2+ 28. Qxe2 Qc2 29. Rd1 Bxb4 30. Be1 Rd5 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.7"] [White "Guarin Fonseca, Nobel Alfredo"] [Black "Cuartas Lozano, Santiago"] [Result "1-0"] [WhiteElo "1773"] [BlackElo "1413"] [PlyCount "53"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Bd6 5. O-O Nbd7 6. b3 O-O 7. c4 c6 8. Nc3 b6 9. Nd2 Bb4 10. Bb2 Re8 11. e4 Bxc3 12. Bxc3 Nf8 13. f4 a5 14. g4 g6 15. e5 N6d7 16. f5 Qg5 17. Qf3 h5 18. fxe6 fxe6 19. Qf7+ Kh8 20. Qxe8 Qe3+ 21. Kh1 Bb7 22. Qe7 Qxc3 23. Nf3 hxg4 24. Ng5 Qb4 25. Nf7+ Kg7 26. Qh4 Nh7 27. Qh6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.8"] [White "Perez Latorre, Juan Sebastian"] [Black "Carrero, Oscar David"] [Result "1-0"] [WhiteElo "1408"] [BlackElo "1740"] [PlyCount "77"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d6 6. h3 Bd7 7. Bc4 e6 8. Bf4 b5 9. Bb3 Qb6 10. O-O Nc6 11. Bxd6 Nxd4 12. e5 Nxf3+ 13. Qxf3 Bc6 14. Qe2 Ne7 15. Nd2 Qb7 16. Rac1 Rc8 17. Qg4 Nf5 18. Bb4 Rd8 19. Qe2 Bxg2 20. Rfd1 Nd4 21. Qe3 Nf5 22. Qe2 Bxh3 23. Nf3 Nd4 24. Rxd4 Rxd4 25. Bd6 Rxd6 26. exd6 O-O 27. Rc7 Qb6 28. Qd2 Rd8 29. a3 Qxd6 30. Qxd6 Rxd6 31. Ng5 Bf5 32. Nxf7 a5 33. Nxd6 Bxb2 34. Nxf5 gxf5 35. Bxe6+ Kf8 36. Bxf5 Bxa3 37. Rxh7 Be7 38. Bg6 Bd8 39. Rf7+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.9"] [White "Pabon Arevalo, Emmanuel Alejandro"] [Black "Sanchez Fonseca, Alejandro"] [Result "1-0"] [ECO "C65"] [WhiteElo "1717"] [BlackElo "1228"] [PlyCount "81"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 a6 5. Bxc6 dxc6 6. Nxe5 Qd4 7. Nf3 Qb6 8. O-O Bg4 9. Nbd2 Bb4 10. Nc4 Qc5 11. h3 Bh5 12. Be3 Qb5 13. a4 Bxf3 14. Qxf3 Qh5 15. g4 Qh4 16. Bf4 O-O 17. Ne3 h5 18. g5 Nh7 19. Nf5 Nxg5 20. Nxh4 Nxf3+ 21. Nxf3 Bd6 22. Bxd6 cxd6 23. Nd4 c5 24. Nf5 Rfe8 25. Nxd6 Re6 26. Nxb7 Rg6+ 27. Kh2 Rb8 28. Nxc5 Rxb2 29. Rac1 Rc6 30. d4 Rb4 31. c3 Rb8 32. Rb1 Re8 33. a5 Rf6 34. Rb6 Rf3 35. Rb3 Ra8 36. Kg2 Rf6 37. f4 Rg6+ 38. Kf2 Rc6 39. Rb6 Rxb6 40. axb6 g6 41. b7 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.10"] [White "Carvajal Barreto, Gian Lucas"] [Black "Rueda Rojas, Richard Alejandro"] [Result "0-1"] [ECO "B02"] [WhiteElo "1069"] [BlackElo "1708"] [PlyCount "96"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bg4 6. Be2 e6 7. d4 Nc6 8. c3 Be7 9. O-O O-O 10. Bf4 Bd6 11. Bxd6 Qxd6 12. h3 Bh5 13. Nd2 Bg6 14. Bh5 Bd3 15. Re1 Rad8 16. Be2 Bxe2 17. Rxe2 e5 18. Nc4 Qf6 19. Nxe5 Nxe5 20. Rxe5 b6 21. Qg4 c5 22. Qf5 Qxf5 23. Rxf5 cxd4 24. cxd4 Rxd4 25. a4 Rb4 26. Ra2 Rd8 27. Rb5 Rxb5 28. axb5 Rd7 29. Ra3 Kf8 30. Kf1 Ke7 31. Re3+ Kd8 32. Rc3 Rd5 33. Rb3 Kd7 34. Ke2 Kd6 35. Ra3 Rxb5 36. Rxa7 Rxb2+ 37. Kf3 Ke6 38. Ra6 h5 39. Ra4 Rb5 40. Re4+ Kf6 41. Rf4+ Rf5 42. Rxf5+ Kxf5 43. Ke3 Ke5 44. f3 b5 45. f4+ Kd5 46. Kd3 h4 47. Kc3 Kc5 48. Kd2 Kb4 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.11"] [White "Garces Suaza, Carlos Daniel"] [Black "Dulcey Buitrago, John Jairo"] [Result "1-0"] [ECO "C01"] [WhiteElo "1704"] [BlackElo "1586"] [PlyCount "45"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nc6 6. O-O Nge7 7. c3 Bg4 8. Nbd2 Qd7 9. b4 O-O-O 10. a4 Rdg8 11. a5 h5 12. b5 Nd8 13. Qb3 g5 14. b6 a6 15. Rb1 h4 16. Ne5 Qe6 17. bxc7 Bxc7 18. Ba3 Bxe5 19. dxe5 Qxe5 20. Rfe1 Qb8 21. Rxe7 Be6 22. Qb6 Re8 23. Bd6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.12"] [White "Giraldo Guevara, Juan Diego"] [Black "Cifuentes Camacho, Miguel Angel"] [Result "0-1"] [ECO "B28"] [WhiteElo "1583"] [BlackElo "1644"] [PlyCount "54"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. exd5 e4 9. O-O Bxc3 10. bxc3 O-O 11. Bxe4 Nxe4 12. Qd4 Bf5 13. Rb1 b5 14. Ne5 Re8 15. Re1 f6 16. Nd3 Nd7 17. f3 Nd6 18. Bf4 Rxe1+ 19. Rxe1 Nc4 20. Qf2 Qb6 21. Be3 Nxe3 22. Rxe3 Bxd3 23. cxd3 Qc5 24. Qe2 Qxc3 25. Re8+ Rxe8 26. Qxe8+ Nf8 27. d6 Qd4+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.13"] [White "Claro Molinares, Samuel David"] [Black "Gomez Gomez, Elvis Naid"] [Result "1-0"] [ECO "C56"] [WhiteElo "1638"] [BlackElo "1548"] [PlyCount "47"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 exd4 6. e5 Ng4 7. Bf4 Qe7 8. c3 dxc3 9. Nxc3 Bxf2+ 10. Kh1 O-O 11. h3 Be3 12. Nd5 Qc5 13. Qc2 Bxf4 14. Nxf4 Kh8 15. hxg4 Nxe5 16. Nxe5 Qxe5 17. Rae1 Qg5 18. Re3 d5 19. Rh3 h6 20. Rh5 Qxg4 21. Be2 Qd7 22. Ng6+ fxg6 23. Rxf8+ Kh7 24. Bd3 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.14"] [White "Ortega Rueda, Nicolas"] [Black "Hurtado Paez, Andres Jesus"] [Result "1/2-1/2"] [ECO "C02"] [WhiteElo "1246"] [BlackElo "1590"] [PlyCount "106"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. O-O cxd4 8. cxd4 Nxd4 9. Nxd4 Qxd4 10. Nc3 Qxe5 11. Re1 Qd6 12. Nb5 Qb8 13. Qf3 Be7 14. Bf4 Qd8 15. Nc7+ Kf8 16. Nxa8 Qxa8 17. Rac1 Bc6 18. Bg3 Nf6 19. Qf4 Bb4 20. Qxb4+ Kg8 21. Be5 Qd8 22. Bb5 a5 23. Qc5 Nd7 24. Qd6 Bxb5 25. Qc7 Qxc7 26. Rxc7 f6 27. Rc8+ Kf7 28. Rxh8 Nxe5 29. Rb8 Ba6 30. Rc1 Nc6 31. Ra8 Nb4 32. Rc7+ Kg6 33. Rg8 Kf5 34. Rgxg7 d4 35. Rc5+ e5 36. a3 Nd3 37. Rc2 Nf4 38. g3 Nh3+ 39. Kg2 Ng5 40. h4 Ne4 41. f3 Nd6 42. g4+ Kf4 43. Rd7 Nc4 44. Rxc4 Bxc4 45. Kf2 Bd3 46. Rf7 f5 47. gxf5 Bxf5 48. Rxb7 a4 49. Rf7 h5 50. b4 axb3 51. Rb7 Bc2 52. Rf7+ Bf5 53. Rb7 Bc2 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.15"] [White "Negron Lizarazo, Juan Sebastian"] [Black "Chaparro Velandia, Joan Sebastian"] [Result "0-1"] [ECO "A80"] [WhiteElo "1587"] [PlyCount "66"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 f5 2. Nf3 e6 3. g3 Nf6 4. b3 c6 5. Bb2 d5 6. Nbd2 Bd6 7. Bg2 Qe7 8. c4 Nbd7 9. Qc2 Nf8 10. O-O-O Ba3 11. Ne1 a5 12. c5 Bxb2+ 13. Kxb2 N8d7 14. a3 O-O 15. Nd3 Rb8 16. Nf3 b6 17. Nfe5 Nxe5 18. Nxe5 Qb7 19. cxb6 Qxb6 20. Nxc6 Rb7 21. Rc1 Bd7 22. Ka1 Bxc6 23. Qxc6 Qxb3 24. Qc3 Rfb8 25. Bf3 Ne4 26. Bxe4 fxe4 27. Rhd1 Qa4 28. Rb1 Rb3 29. Rxb3 Rxb3 30. Qc8+ Kf7 31. Qc7+ Kg6 32. Qc5 Rxa3+ 33. Kb2 Qb3+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.16"] [White "Gualdron Pulido, Deyson Yesid"] [Black "Vargas Villalobos, Daniel Fernando"] [Result "0-1"] [ECO "B23"] [BlackElo "1581"] [PlyCount "84"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nc3 e6 3. d3 d5 4. f3 Bd6 5. Nh3 h6 6. Bf4 e5 7. Bg3 d4 8. Nd5 Ne7 9. f4 Nxd5 10. exd5 Bxh3 11. fxe5 O-O 12. gxh3 Bxe5 13. Bxe5 Qxd5 14. Rg1 Qxe5+ 15. Qe2 Re8 16. Rg2 Nc6 17. O-O-O Qf4+ 18. Qd2 Qxd2+ 19. Kxd2 Ne5 20. Re2 Re6 21. Rde1 Nf3+ 22. Kd1 Nxe1 23. Kxe1 Rae8 24. Rxe6 Rxe6+ 25. Kd1 Rf6 26. Be2 Rf2 27. Ke1 Rxh2 28. Kd2 Rxh3 29. c3 f5 30. cxd4 cxd4 31. b4 f4 32. Bf1 Rh2+ 33. Ke1 Rxa2 34. b5 g5 35. Bh3 Kf7 36. Kf1 h5 37. Bg2 Ke6 38. Bxb7 g4 39. Be4 f3 40. Bh7 Ke5 41. Bg6 g3 42. Bxh5 Ra1# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.11"] [Round "1.17"] [White "Becker Newmark, Jeronimo"] [Black "Silva Barajas, Jose Alejandro"] [Result "1-0"] [ECO "D00"] [WhiteElo "1572"] [PlyCount "51"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 Bd6 6. Qb3 b6 7. Bxd6 Qxd6 8. Nf3 Nbd7 9. Rc1 a6 10. Nh4 Bg6 11. Nxg6 fxg6 12. cxd5 Nxd5 13. Nxd5 exd5 14. Be2 c6 15. O-O b5 16. Bf3 Nf6 17. Rfe1 Ra7 18. e4 Re7 19. e5 Qe6 20. Qc3 Nd7 21. Qxc6 O-O 22. Bxd5 Qxd5 23. Qxd5+ Kh8 24. Rc7 Nb6 25. Qc5 Nd7 26. Qxe7 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.1"] [White "Rueda Rojas, Richard Alejandro"] [Black "Munoz Triana, Joseph Steve"] [Result "1/2-1/2"] [WhiteElo "1708"] [BlackElo "1888"] [PlyCount "61"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. d4 cxd4 6. Nxd4 Bxg2 7. Kxg2 g6 8. c4 Bg7 9. Nc3 O-O 10. e4 Nc6 11. Nxc6 dxc6 12. Qf3 e5 13. Bg5 h6 14. Rad1 Qe7 15. Bxf6 Bxf6 16. Rd3 Rad8 17. Rfd1 Qe6 18. b3 Rxd3 19. Rxd3 Be7 20. Qd1 f5 21. exf5 gxf5 22. Rd7 Bb4 23. Ne2 f4 24. f3 fxg3 25. Nxg3 Rf7 26. Rxf7 Qxf7 27. Qd8+ Bf8 28. Qc8 Qg6 29. Qg4 Kf7 30. Qd7+ Be7 31. Qxa7 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.2"] [White "Hernandez Serrano, Cristhian Daniel"] [Black "Garces Suaza, Carlos Daniel"] [Result "1-0"] [WhiteElo "1849"] [BlackElo "1704"] [PlyCount "65"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Qc2 O-O 7. Bg2 c6 8. O-O Nbd7 9. Bg5 h6 10. Bxf6 Nxf6 11. Nbd2 b6 12. e4 dxe4 13. Nxe4 Bb7 14. Rfd1 Qc7 15. Nc3 Rfd8 16. Qe2 c5 17. Nb5 Qc8 18. d5 a6 19. Nc3 Rd6 20. Bh3 g5 21. Ne5 h5 22. dxe6 Rxe6 23. Bf5 Ng4 24. Bxe6 Qxe6 25. Nxg4 Qxe2 26. Nxe2 hxg4 27. Rd7 Bf3 28. Rxe7 Kf8 29. Re3 Rd8 30. Nc3 Rd2 31. b3 Rc2 32. Ne4 f5 33. Nxg5 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.3"] [White "Cifuentes Camacho, Miguel Angel"] [Black "Caballero Marrugo, David Jose"] [Result "0-1"] [WhiteElo "1644"] [BlackElo "1837"] [PlyCount "94"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 c5 3. dxc5 Qa5+ 4. Qd2 Qxc5 5. Nc3 d6 6. e4 a6 7. O-O-O Nbd7 8. Be3 Qc6 9. f3 b5 10. Nge2 Bb7 11. Nd4 Qc7 12. g4 Nb6 13. a3 Nfd7 14. Qf2 Rc8 15. Be2 g6 16. Rhf1 Bg7 17. f4 Na4 18. Bd2 Bxe4 19. Qe3 d5 20. Bd3 Ndc5 21. Bxe4 dxe4 22. Kb1 O-O 23. h4 Rfd8 24. Nde2 Nxb2 25. Kxb2 Na4+ 26. Kc1 Nxc3 27. Bxc3 Rxd1+ 28. Rxd1 Bxc3 29. Qxe4 Bf6 30. g5 Bg7 31. h5 Qc5 32. hxg6 Qxa3+ 33. Kd2 Rd8+ 34. Ke1 Qa5+ 35. c3 Bxc3+ 36. Kf2 Rxd1 37. gxf7+ Kxf7 38. Qxh7+ Ke8 39. Qh5+ Kd8 40. Nxc3 Rd2+ 41. Ne2 Qb6+ 42. Ke1 Qe3 43. g6 Rxe2+ 44. Qxe2 Qxe2+ 45. Kxe2 Ke8 46. Kd3 Kf8 47. Kd4 b4 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.4"] [White "Brito Carrascal, Camilo Andres"] [Black "Claro Molinares, Samuel David"] [Result "1-0"] [WhiteElo "1832"] [BlackElo "1638"] [PlyCount "117"] [EventDate "2023.05.11"] [EventRounds "7"] [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 cxd5 9. O-O O-O 10. h3 c6 11. Qf3 Bd6 12. Re1 Rb8 13. Rb1 h6 14. Be3 c5 15. Bf4 Bxf4 16. Qxf4 Rb4 17. Qf3 Qd6 18. Ne2 Re8 19. a3 Rh4 20. Qg3 Qxg3 21. Nxg3 g6 22. Rxe8+ Nxe8 23. Re1 Be6 24. Bxg6 Nd6 25. Bd3 c4 26. Be2 Ne4 27. Rd1 Nxg3 28. fxg3 Re4 29. Bf3 Re5 30. Kf2 Kg7 31. Rd4 Kg6 32. b4 f6 33. a4 Bg8 34. b5 f5 35. a5 Kf6 36. b6 axb6 37. axb6 Re7 38. Rd1 Rb7 39. Bxd5 Bxd5 40. Rxd5 Rxb6 41. Rc5 Rb4 42. Kf3 Kg5 43. g4 Rb2 44. Rxc4 fxg4+ 45. Rxg4+ Kf5 46. Rc4 h5 47. g4+ hxg4+ 48. hxg4+ Ke5 49. Re4+ Kf6 50. Rc4 Ke5 51. Rc8 Rb1 52. Kg3 Rg1+ 53. Kh4 Kf6 54. Rc6+ Ke5 55. Kg5 Rh1 56. Rh6 Rc1 57. Rh2 Rg1 58. c4 Rc1 59. Re2+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.5"] [White "Vargas Villalobos, Daniel Fernando"] [Black "Diaz Larrea, Juan Manuel"] [Result "0-1"] [WhiteElo "1581"] [BlackElo "1819"] [PlyCount "70"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. c4 c5 2. e3 Nf6 3. d4 cxd4 4. exd4 d5 5. Nc3 e6 6. Nf3 Nc6 7. Be2 Be7 8. O-O O-O 9. Bg5 a6 10. Rc1 dxc4 11. Bxc4 b5 12. Bd3 Nb4 13. Bxf6 Bxf6 14. Be4 Nd5 15. Ne5 Bb7 16. Qf3 Qd6 17. Rfe1 Rad8 18. Ng4 Bg5 19. Nxd5 exd5 20. Qf5 Qg6 21. Rc7 dxe4 22. Qxg6 fxg6 23. Rxb7 Rxd4 24. Ne5 Rd2 25. Nd7 Rd8 26. Nc5 Re2 27. Rf1 e3 28. f4 Rdd2 29. Rb8+ Bd8 30. Rxd8+ Rxd8 31. Ne4 Rxb2 32. Re1 e2 33. Kf2 Rxa2 34. Nc3 Rc2 35. Nxe2 Rdd2 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.6"] [White "Molina Ballesteros, Juan Sebastian"] [Black "Becker Newmark, Jeronimo"] [Result "1-0"] [WhiteElo "1805"] [BlackElo "1572"] [PlyCount "97"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. b4 cxd4 8. cxd4 Nf5 9. Be3 f6 10. exf6 gxf6 11. Nc3 Bd7 12. Bd3 Nxe3 13. fxe3 Bh6 14. Qe2 O-O 15. O-O a5 16. Na4 Qc7 17. b5 Ne7 18. b6 Qd6 19. Nc5 Bc6 20. Nd2 Kh8 21. Rae1 f5 22. Nf3 Ng8 23. Ne5 Bg7 24. Nxc6 Qxc6 25. Bb5 Qxb6 26. Nd7 Qd8 27. Nxf8 Bxf8 28. a4 Nf6 29. Rc1 Bd6 30. Bd3 Bxh2+ 31. Kxh2 Ng4+ 32. Kh3 Qg5 33. Rf4 Qh5+ 34. Kg3 Qh2+ 35. Kf3 Rg8 36. Rxg4 fxg4+ 37. Kf2 Rf8+ 38. Ke1 Qh4+ 39. Kd1 Rf2 40. Qe1 g3 41. Rc8+ Kg7 42. Rc7+ Kf6 43. Rc2 Qh5+ 44. Kc1 Rxc2+ 45. Kxc2 Qh2 46. Qf1+ Ke7 47. Kd2 h5 48. Be2 h4 49. Bg4 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.7"] [White "Perez Latorre, Juan Sebastian"] [Black "Guarin Fonseca, Nobel Alfredo"] [Result "1/2-1/2"] [WhiteElo "1408"] [BlackElo "1773"] [PlyCount "122"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 Bd6 5. g3 c6 6. b3 Bb4 7. Bd2 O-O 8. Bg2 Nbd7 9. O-O Re8 10. a3 Bd6 11. Re1 e5 12. e4 exd4 13. Nxd4 Be5 14. Nf3 Bxc3 15. Bxc3 Nxe4 16. Bb2 Ndf6 17. cxd5 cxd5 18. Nd4 Be6 19. Qd3 Qb6 20. Re3 Nc5 21. Qd2 Ng4 22. Nxe6 fxe6 23. Qd4 Nf6 24. Rae1 Qd6 25. g4 Re7 26. g5 Ne8 27. b4 Ne4 28. Bxe4 dxe4 29. Qxe4 Rf7 30. Rh3 Rf5 31. Qh4 Qf4 32. Qxf4 Rxf4 33. Rxe6 Rg4+ 34. Rg3 Rxg3+ 35. hxg3 Kf7 36. Re3 Rd8 37. Be5 Rd1+ 38. Kg2 Nd6 39. Bxd6 Rxd6 40. Rc3 Rd7 41. f4 a6 42. Kf3 Kg6 43. Kg4 h5+ 44. gxh6 Kxh6 45. Rc5 Kg6 46. b5 axb5 47. Rxb5 Rd3 48. a4 Rd4 49. a5 Rd7 50. Rb6+ Kh7 51. Re6 Rd5 52. Re5 Rd6 53. Re7 Rg6+ 54. Kf3 Ra6 55. Rxb7 Rxa5 56. Rb6 g6 57. Kg4 Rc5 58. Kh4 Rh5+ 59. Kg4 Rc5 60. Re6 Kh6 61. Re5 Rc3 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.8"] [White "Chaparro Velandia, Joan Sebastian"] [Black "Pabon Arevalo, Emmanuel Alejandro"] [Result "0-1"] [BlackElo "1717"] [PlyCount "56"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. e3 g6 3. Bd3 d5 4. Nd2 Bg7 5. f4 c5 6. c3 Nc6 7. Ngf3 cxd4 8. exd4 Nh5 9. Nb3 Bh6 10. f5 Nf4 11. Bxf4 Bxf4 12. fxg6 hxg6 13. Qc2 Qd6 14. Nbd2 Bg3+ 15. Kd1 Bg4 16. h3 O-O-O 17. Qa4 Kb8 18. Kc2 Bd7 19. Rad1 e5 20. dxe5 Nxe5 21. Qd4 Nxd3 22. Kxd3 Bf5+ 23. Ke2 Qa6+ 24. c4 dxc4 25. Qc3 Bd3+ 26. Ke3 Rhe8+ 27. Ne4 Rxe4+ 28. Kd2 Re2+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.9"] [White "Hurtado Paez, Andres Jesus"] [Black "Carrero, Oscar David"] [Result "1-0"] [ECO "B23"] [WhiteElo "1590"] [BlackElo "1740"] [PlyCount "59"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nc3 g6 3. f4 d6 4. Bb5+ Nc6 5. Bxc6+ bxc6 6. Nf3 Bg7 7. O-O Qb6 8. Qe1 Ba6 9. d3 c4+ 10. d4 Bxd4+ 11. Nxd4 Qxd4+ 12. Be3 Qg7 13. Qd2 Nh6 14. f5 Ng4 15. f6 Nxf6 16. Bh6 Qg8 17. Rxf6 O-O-O 18. Rf2 f6 19. Be3 Rd7 20. b4 d5 21. exd5 cxd5 22. Qd4 e5 23. Qc5+ Kb8 24. Rxf6 Bb7 25. Nb5 Qg7 26. Qxa7+ Kc8 27. Nd6+ Kd8 28. Nxb7+ Rxb7 29. Bb6+ Ke8 30. Qa8+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.10"] [White "Hernandez Guarin, Samuel Andres"] [Black "Ortega Rueda, Nicolas"] [Result "1-0"] [ECO "D66"] [WhiteElo "1554"] [BlackElo "1246"] [PlyCount "75"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Be7 7. Bd3 O-O 8. Qc2 Re8 9. O-O Nf8 10. Rac1 h6 11. Bh4 Qc7 12. Bxf6 Bxf6 13. cxd5 exd5 14. Nxd5 Qd6 15. Nxf6+ Qxf6 16. Bc4 Bf5 17. Qb3 b5 18. Bd3 Bg4 19. Ne5 Be6 20. Qa3 Bd7 21. Be4 Re6 22. Rc2 Rxe5 23. dxe5 Qe6 24. f4 f5 25. Bf3 Ng6 26. Rd1 Nh4 27. Be2 Ng6 28. Rd6 Qf7 29. Bh5 Qe7 30. Bxg6 Qh4 31. g3 Qg4 32. Qd3 b4 33. Rxd7 Qxg6 34. Rd6 Qf7 35. b3 Qf8 36. Rcxc6 Re8 37. Rc7 a5 38. Rdd7 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.11"] [White "Sanchez Fonseca, Alejandro"] [Black "Negron Lizarazo, Juan Sebastian"] [Result "0-1"] [ECO "B30"] [WhiteElo "1228"] [BlackElo "1587"] [PlyCount "54"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nc6 5. d3 d6 6. Ng5 e6 7. O-O Nge7 8. Qf3 O-O 9. Qh3 h6 10. Nf3 h5 11. Bg5 d5 12. exd5 exd5 13. Bb5 Bxh3 14. gxh3 Qd7 15. Bxc6 Nxc6 16. Rfe1 Qxh3 17. Nd2 Qg4+ 18. Kf1 Qxg5 19. Re2 Rfe8 20. Rae1 Rxe2 21. Rxe2 Nd4 22. f4 Qxf4+ 23. Rf2 Qg4 24. Nxd5 Qh3+ 25. Rg2 Qf5+ 26. Rf2 Qxd5 27. c4 Qh1# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.12"] [White "Dulcey Buitrago, John Jairo"] [Black "Gonzalez Bolivar, Juan Jose"] [Result "0-1"] [ECO "D02"] [WhiteElo "1586"] [BlackElo "1544"] [PlyCount "96"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. e3 c5 5. c3 Nc6 6. Bd3 c4 7. Bc2 Bd6 8. Ne5 Qc7 9. Qf3 Nxe5 10. dxe5 Bxe5 11. Bxe5 Qxe5 12. O-O O-O 13. Qh3 Qh5 14. Qxh5 Nxh5 15. f4 f5 16. Nd2 Nf6 17. Rf3 b6 18. Raf1 Bb7 19. Rh3 Ng4 20. Rg3 h5 21. Bd1 b5 22. Bxg4 hxg4 23. h3 gxh3 24. gxh3 Rae8 25. Nf3 a5 26. a3 Rf6 27. Rf2 Rh6 28. Ne5 Re7 29. Rh2 Rc7 30. h4 Bc6 31. h5 Be8 32. Rgh3 Rb7 33. Kf2 b4 34. cxb4 axb4 35. axb4 Rxb4 36. Kf3 Rb3 37. Rd2 Rxh5 38. Rg3 Rh1 39. Rdg2 Bh5+ 40. Ng4 Bxg4+ 41. Rxg4 fxg4+ 42. Kxg4 Rxe3 43. Kg5 Rf1 44. Rd2 Rg3+ 45. Kh4 Rd3 46. Re2 Rxf4+ 47. Kg5 Rf5+ 48. Kg4 Kf7 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.13"] [White "Pilonieta Forero, Andres Felipe"] [Black "Carvajal Barreto, Gian Lucas"] [Result "1-0"] [ECO "B32"] [WhiteElo "1514"] [BlackElo "1069"] [PlyCount "57"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Be3 e5 7. Qd2 Nf6 8. f3 Be7 9. Nc3 O-O 10. O-O-O h6 11. g4 Be6 12. h4 Nh7 13. Qh2 f6 14. Nd5 Bxd5 15. Rxd5 g5 16. Bc4 Kg7 17. hxg5 Nxg5 18. Qxh6+ Kf7 19. Rxd6+ Ke8 20. Qg6+ Nf7 21. Bxf7+ Rxf7 22. Rh8+ Bf8 23. Rxd8+ Rxd8 24. Bc5 b6 25. Rxf8+ Kd7 26. Qxf7+ Kc8 27. Rxd8+ Kxd8 28. Bd6 Kc8 29. Qc7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.14"] [White "Gomez Gomez, Elvis Naid"] [Black "Sarmiento, Juan Diego"] [Result "0-1"] [ECO "D02"] [WhiteElo "1548"] [BlackElo "1489"] [PlyCount "104"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Bf4 e6 3. Nf3 Nf6 4. e3 c5 5. c3 Bd6 6. Bg3 Nc6 7. Bd3 O-O 8. Nbd2 Re8 9. Bxd6 Qxd6 10. O-O cxd4 11. exd4 e5 12. dxe5 Nxe5 13. Nxe5 Rxe5 14. Nf3 Re8 15. Qb3 a6 16. Rfe1 Be6 17. Nd4 b5 18. Qc2 b4 19. Re3 Bd7 20. Rae1 Rxe3 21. Rxe3 bxc3 22. bxc3 h6 23. Qd2 Ng4 24. Rg3 Re8 25. h3 Ne5 26. Bf5 Qf6 27. Qf4 g6 28. h4 Nd3 29. Rxd3 Re1+ 30. Kh2 Re4 31. Qb8+ Re8 32. Qg3 Bxf5 33. Rf3 Re5 34. h5 Kh7 35. Nxf5 Rxf5 36. hxg6+ Qxg6 37. Qxg6+ Kxg6 38. Kg3 Rg5+ 39. Kh3 Re5 40. Re3 Rxe3+ 41. fxe3 Kf5 42. Kg3 Ke4 43. Kh4 Kxe3 44. Kh5 Kd3 45. Kxh6 Kxc3 46. g4 d4 47. g5 d3 48. Kg7 d2 49. Kxf7 d1=Q 50. g6 Qd5+ 51. Kf8 Qxa2 52. g7 a5 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.15"] [White "Luna Velandia, Juan Sebastian"] [Black "Giraldo Guevara, Juan Diego"] [Result "1-0"] [ECO "B63"] [WhiteElo "1473"] [BlackElo "1583"] [PlyCount "49"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. f4 h6 9. Bxf6 Bxf6 10. Ndb5 Be7 11. O-O-O e5 12. Nd5 O-O 13. Nxe7+ Qxe7 14. f5 Rd8 15. Bc4 d5 16. Bxd5 Bd7 17. f6 Qf8 18. fxg7 Qxg7 19. Qf2 Nb4 20. Nc3 Nxd5 21. Nxd5 Qg5+ 22. Kb1 Kg7 23. Rd3 Kf8 24. Rf1 Qg6 25. Rg3 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.16"] [White "Silva Barajas, Jose Alejandro"] [Black "Moreno Hernandez, Andres Mauricio"] [Result "0-1"] [ECO "D00"] [BlackElo "1470"] [PlyCount "104"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 4. Nb5 Na6 5. e3 c6 6. Nc3 Nc7 7. Nf3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bg5 h6 11. Bh4 Be7 12. O-O O-O 13. Rfe1 Nd7 14. Bg3 c5 15. Ne5 c4 16. Qd2 Nxe5 17. Bxe5 Bd6 18. Bxd6 Qxd6 19. b3 b5 20. e4 a6 21. a3 Rfd8 22. e5 Qe7 23. b4 a5 24. Ne2 Ra7 25. c3 Rda8 26. Qb2 Ne8 27. Ng3 axb4 28. axb4 g6 29. Rxa7 Qxa7 30. h3 Ng7 31. Qd2 Kh7 32. Ne2 Qa2 33. Qxa2 Rxa2 34. Kf1 Nf5 35. Rc1 Nh4 36. Ng1 g5 37. g3 Ng6 38. Nf3 Kg7 39. h4 gxh4 40. gxh4 Nf4 41. Ne1 Kg6 42. Rc2 Ra1 43. f3 Kh5 44. Kf2 Kxh4 45. Ng2+ Kg5 46. Nxf4 Kxf4 47. Ke2 h5 48. Kf2 h4 49. Kg2 Kg5 50. Kh3 Kf4 51. Kxh4 Rh1+ 52. Rh2 Rxh2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "2.17"] [White "Cuartas Lozano, Santiago"] [Black "Gualdron Pulido, Deyson Yesid"] [Result "1-0"] [ECO "C01"] [WhiteElo "1413"] [PlyCount "57"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 Nc6 2. d4 e6 3. Nf3 d6 4. Bd3 Be7 5. O-O f5 6. exf5 exf5 7. Re1 Nf6 8. Nc3 Nb4 9. Bc4 c6 10. a3 Nbd5 11. Ne2 Nc7 12. Ng3 b5 13. Bd3 g6 14. Qe2 Ncd5 15. c4 Nc7 16. Bg5 Be6 17. Bxf6 Bxf6 18. d5 cxd5 19. cxd5 Nxd5 20. Qxe6+ Be7 21. Bxb5+ Kf8 22. Qxd5 Rc8 23. Bc4 Qe8 24. Ng5 Rc5 25. Ne6+ Kf7 26. Nxc5+ Kg7 27. Ne6+ Kf6 28. Qd4+ Kf7 29. Qg7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.1"] [White "Diaz Larrea, Juan Manuel"] [Black "Hernandez Serrano, Cristhian Daniel"] [Result "1-0"] [WhiteElo "1819"] [BlackElo "1849"] [PlyCount "121"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. h3 e5 7. Nde2 Be6 8. f4 d5 9. f5 d4 10. fxe6 fxe6 11. Bg5 Be7 12. Qd2 dxc3 13. Qxd8+ Rxd8 14. Nxc3 h6 15. Be3 Nh5 16. Bf2 O-O 17. Bc4 Rxf2 18. Kxf2 Bc5+ 19. Ke1 Ng3 20. Rf1 Nd4 21. Rf2 b5 22. Bd3 Nh1 23. Rf1 Ng3 24. Rf2 Nh1 25. Rd2 b4 26. Na4 Be7 27. c3 bxc3 28. bxc3 Bh4+ 29. Kd1 Nc6 30. Be2 Nf2+ 31. Kc2 Rxd2+ 32. Kxd2 Bg5+ 33. Kc2 Nd8 34. Bf3 Nf7 35. Nc5 Nd6 36. Nxe6 Be3 37. Re1 Bb6 38. a4 Nc4 39. Re2 Nh1 40. Kb3 Na5+ 41. Kb4 Kf7 42. Nc5 Ke7 43. Kb5 Ng3 44. Re1 g5 45. Rd1 h5 46. Rd7+ Ke8 47. Rg7 g4 48. hxg4 hxg4 49. Rxg4 Nf1 50. Rg5 Bc7 51. Ne6 Bb6 52. Rxe5 Kd7 53. Nc5+ Kd6 54. Rd5+ Kc7 55. Rd7+ Kc8 56. Bg4 Ne3 57. Bh3 Kb8 58. Rg7 Nc2 59. Na6+ Ka8 60. Rg8+ Kb7 61. Rb8# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.2"] [White "Caballero Marrugo, David Jose"] [Black "Molina Ballesteros, Juan Sebastian"] [Result "1-0"] [WhiteElo "1837"] [BlackElo "1805"] [PlyCount "107"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. e3 e6 3. Bd3 b6 4. f4 Bb7 5. Nf3 c5 6. c3 Be7 7. O-O O-O 8. Qe2 d5 9. Ne5 Ne4 10. Nd2 Nd7 11. Nxd7 Qxd7 12. g4 f5 13. g5 h6 14. Qh5 hxg5 15. Bxe4 fxe4 16. fxg5 Rxf1+ 17. Nxf1 Qd8 18. g6 Bf6 19. Bd2 Kf8 20. Be1 Ke7 21. Qg4 Bc8 22. Bh4 Qf8 23. Ng3 Bxh4 24. Qxh4+ Qf6 25. Qg4 Ba6 26. Nh5 Qf3 27. Qxf3 exf3 28. Nf4 Rh8 29. h3 Kf6 30. Kf2 Be2 31. Rg1 Rh6 32. a4 a5 33. Rb1 cxd4 34. cxd4 Bc4 35. b3 Be2 36. Rc1 e5 37. Rc6+ Kf5 38. dxe5 Kxe5 39. Re6+ Kf5 40. Rd6 Ke4 41. Rxd5 Rh8 42. Rd7 b5 43. axb5 Bxb5 44. Rd4+ Ke5 45. Rd5+ Kf6 46. Rxb5 Ra8 47. Rb7 a4 48. bxa4 Rxa4 49. Rf7+ Kg5 50. Rxg7 Kh6 51. Rh7+ Kg5 52. g7 Kf5 53. g8=Q Ra5 54. Qg6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.3"] [White "Pabon Arevalo, Emmanuel Alejandro"] [Black "Brito Carrascal, Camilo Andres"] [Result "0-1"] [WhiteElo "1717"] [BlackElo "1832"] [PlyCount "52"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Nf6 6. Bd3 Be7 7. dxc5 Bxc5 8. O-O O-O 9. Bg5 Bg4 10. Nbd2 Nbd7 11. Qc2 Qc7 12. Rfe1 h6 13. Bh4 Rac8 14. h3 Bxf3 15. Nxf3 g5 16. Bg3 Qxg3 17. b4 Bb6 18. Re7 Qd6 19. Rae1 Rce8 20. Rxe8 Rxe8 21. Rd1 Ne5 22. Be2 Nxf3+ 23. Bxf3 Qe5 24. c4 dxc4 25. Qxc4 Qb2 26. Rf1 Re1 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.4"] [White "Munoz Triana, Joseph Steve"] [Black "Hurtado Paez, Andres Jesus"] [Result "1-0"] [WhiteElo "1888"] [BlackElo "1590"] [PlyCount "79"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. a3 cxd4 6. cxd4 Nc6 7. Nf3 Nge7 8. b4 Nf5 9. Bb2 Be7 10. Bd3 Bd7 11. Bxf5 exf5 12. Nc3 Be6 13. O-O O-O 14. Qd3 Qc7 15. Rac1 Qd7 16. Ne2 g5 17. Nxg5 Bxg5 18. Qg3 h6 19. h4 Kh7 20. hxg5 Rg8 21. f4 Qe7 22. Qh3 Rg6 23. Ng3 Rag8 24. Nxf5 Bxf5 25. Qxf5 R8g7 26. Qd3 Kh8 27. Rc2 Rg8 28. Qh3 Kh7 29. g4 Rh8 30. Rh2 Kg8 31. b5 Na5 32. Bc1 Nc4 33. f5 Rxg5 34. f6 Qd7 35. Bxg5 Qxb5 36. Bxh6 Qb6 37. Qd3 Nxe5 38. Qe3 Rxh6 39. Rxh6 Ng6 40. Rxg6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.5"] [White "Guarin Fonseca, Nobel Alfredo"] [Black "Rueda Rojas, Richard Alejandro"] [Result "1/2-1/2"] [WhiteElo "1773"] [BlackElo "1708"] [PlyCount "105"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. b3 Ne4 8. Bb2 Na6 9. Nfd2 Nxd2 10. Nxd2 Bf5 11. Rc1 Qd7 12. Re1 Rac8 13. Nf3 Rfd8 14. Ne5 Bxe5 15. dxe5 dxc4 16. e4 Qxd1 17. Rexd1 Be6 18. bxc4 Rxd1+ 19. Rxd1 Bxc4 20. Rd7 Nc5 21. Rd2 Nd3 22. Ba3 c5 23. f4 Ba6 24. Rc2 b5 25. Bf1 b4 26. Bc1 c4 27. Bxd3 cxd3 28. Rxc8+ Bxc8 29. Kf2 Be6 30. a3 b3 31. Ke3 Bc4 32. Bb2 e6 33. Bd4 Kf8 34. Kd2 Ke7 35. Ke3 Kd7 36. Kd2 Kc6 37. Ke3 Ba6 38. Bb2 Kc5 39. Ba1 Kc4 40. Bb2 Bb7 41. Ba1 Bxe4 42. Bb2 h5 43. h4 a5 44. Ba1 b2 45. Bxb2 Kb3 46. Bc1 Kc2 47. Bd2 a4 48. Bb4 Bc6 49. Ba5 Bb5 50. Bb4 Kb3 51. Bf8 Kc4 52. Bb4 Kd5 53. Bc3 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.6"] [White "Garces Suaza, Carlos Daniel"] [Black "Perez Latorre, Juan Sebastian"] [Result "1/2-1/2"] [WhiteElo "1704"] [BlackElo "1408"] [PlyCount "139"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bg4 5. Be2 Bd6 6. O-O Ne7 7. c3 Nbc6 8. Nbd2 Qd7 9. b4 Ng6 10. Re1 O-O 11. Nb3 b6 12. h3 Bf5 13. Bd3 Rfe8 14. Be3 Nf4 15. Bxf5 Qxf5 16. Bxf4 Bxf4 17. b5 Ne7 18. Re2 Ng6 19. Qe1 Kf8 20. Ne5 Nxe5 21. dxe5 Bxe5 22. Nd4 Bxd4 23. cxd4 Rxe2 24. Qxe2 Re8 25. Qd2 Qe4 26. Rc1 Re7 27. Qb4 Kg8 28. a4 g6 29. a5 bxa5 30. Qxa5 Qxd4 31. Rxc7 Rxc7 32. Qxc7 Qb6 33. Qd7 d4 34. Qc6 Kf8 35. Qd5 h5 36. Qe5 d3 37. Qd5 d2 38. Qxd2 Qxb5 39. Qd8+ Qe8 40. Qd4 Qe1+ 41. Kh2 Qa5 42. Qd6+ Kg8 43. Qb8+ Kh7 44. Qb7 Qa2 45. f4 a6 46. f5 gxf5 47. Qf3 Qe6 48. Qxh5+ Kg7 49. Qf3 Qe5+ 50. Kh1 a5 51. Qa3 Kg6 52. Qa4 f4 53. Qc6+ Kg5 54. Qc8 Kh6 55. Qf8+ Kg6 56. Qg8+ Qg7 57. Qa8 Qa1+ 58. Kh2 Kg7 59. Qf3 Qf6 60. Qg4+ Kh6 61. Qg8 f3 62. gxf3 Qf4+ 63. Kh1 Qxf3+ 64. Kh2 Qf6 65. Qf8+ Kh7 66. Qa8 Qe5+ 67. Kg2 f5 68. Kf3 Qc7 69. Qd5 Kg6 70. Qe6+ 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.7"] [White "Gonzalez Bolivar, Juan Jose"] [Black "Cifuentes Camacho, Miguel Angel"] [Result "1/2-1/2"] [WhiteElo "1544"] [BlackElo "1644"] [PlyCount "55"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. f3 d5 8. Bd2 dxe4 9. Nxe4 Nxe4 10. Bxb4 Qb6 11. Qe2 Qxb4+ 12. c3 Nxc3 13. Qxe5+ Qe7 14. Qxe7+ Kxe7 15. bxc3 Bf5 16. Nd4 Bg6 17. Be2 Rc8 18. Kd2 Nc6 19. Bd3 Nxd4 20. cxd4 Bxd3 21. Kxd3 Rc7 22. Rac1 Rac8 23. Rxc7+ Rxc7 24. a4 Kd6 25. Rb1 f6 26. g4 h6 27. a5 Kd5 28. Rb4 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.8"] [White "Claro Molinares, Samuel David"] [Black "Pilonieta Forero, Andres Felipe"] [Result "1-0"] [WhiteElo "1638"] [BlackElo "1514"] [PlyCount "81"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. Be3 Nc6 8. f4 Qe7 9. Nc3 d6 10. f5 Bd7 11. Bg5 Qf8 12. Bxf6 gxf6 13. Nd5 O-O-O 14. b4 Qh6 15. a4 Rde8 16. Rf3 Ne7 17. Nxe7+ Rxe7 18. b5 Kb8 19. a5 Bc8 20. b6 Rd8 21. bxc7+ Rxc7 22. Bd5 Qf8 23. Rb3 Rc5 24. a6 Rd7 25. axb7 Bxb7 26. Qb1 Qc8 27. Qa2 a5 28. Rab1 Rcc7 29. c4 Qe8 30. Qxa5 Qe7 31. Ra3 Rc8 32. Rxb7+ Rxb7 33. Qa8+ Kc7 34. Qxb7+ Kd8 35. Qxc8+ Kxc8 36. Ra8+ Kc7 37. Ra7+ Kd8 38. Rxe7 Kxe7 39. Kf2 Kf8 40. Ke3 Kg7 41. Kd3 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.9"] [White "Negron Lizarazo, Juan Sebastian"] [Black "Luna Velandia, Juan Sebastian"] [Result "0-1"] [ECO "B26"] [WhiteElo "1587"] [BlackElo "1473"] [PlyCount "94"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. h3 Nc6 7. Be3 Bd7 8. Qd2 a6 9. Bh6 O-O 10. Bxg7 Kxg7 11. f4 e5 12. Nf3 Nh5 13. Ne2 exf4 14. gxf4 f5 15. Qc3+ Kg8 16. O-O-O Qe7 17. e5 dxe5 18. fxe5 Be6 19. d4 cxd4 20. Nexd4 Nf4 21. Bf1 Nd5 22. Qd2 Nb6 23. Qc3 Bd5 24. Nxc6 bxc6 25. Bg2 Rab8 26. b3 Qa3+ 27. Kd2 Rbd8 28. Ke2 Qe7 29. Rhe1 Be4 30. Kf2 Nd5 31. Qc4 Kh8 32. a4 Nf4 33. Qc3 Bxf3 34. Qxf3 Qc5+ 35. Kg3 Nxg2 36. Qxg2 Rxd1 37. Rxd1 Qxe5+ 38. Kf2 f4 39. Rd3 Re8 40. Kf3 Qe4+ 41. Kf2 f3 42. Qg1 h5 43. Qd1 Qh4+ 44. Kxf3 Qxh3+ 45. Kf2 Qh2+ 46. Kf3 Rf8+ 47. Ke4 Qf4# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.10"] [White "Sarmiento, Juan Diego"] [Black "Vargas Villalobos, Daniel Fernando"] [Result "0-1"] [ECO "B38"] [WhiteElo "1489"] [BlackElo "1581"] [PlyCount "80"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 g6 7. f3 Bg7 8. Be3 Nc6 9. Qd2 O-O 10. Be2 Bd7 11. g4 Nxd4 12. Bxd4 Bc6 13. h4 e5 14. Be3 h5 15. g5 Ne8 16. O-O-O b5 17. c5 b4 18. Nd5 Bxd5 19. Qxd5 Rc8 20. Kb1 Qc7 21. Bxa6 Rd8 22. c6 Qe7 23. Bb6 Nc7 24. Qa5 Ne6 25. Bxd8 Rxd8 26. Rc1 Nc7 27. Bb7 d5 28. Rhd1 d4 29. Rc5 Kh7 30. Qxb4 Bf8 31. Qb6 Qxc5 32. Qxc7 d3 33. Qxf7+ Bg7 34. Qb3 Qa5 35. Qc3 Qc7 36. Rxd3 Rd4 37. Rxd4 exd4 38. Qc4 Qh2 39. c7 d3 40. c8=Q Qxb2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.11"] [White "Becker Newmark, Jeronimo"] [Black "Cuartas Lozano, Santiago"] [Result "1-0"] [ECO "D02"] [WhiteElo "1572"] [BlackElo "1413"] [PlyCount "61"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Ngf3 O-O 6. Bd3 c5 7. c3 Qc7 8. Bxd6 Qxd6 9. Ne5 b6 10. f4 Ba6 11. Bxa6 Nxa6 12. Qf3 Nb8 13. g4 Nc6 14. g5 Nd7 15. Kf2 f6 16. gxf6 Rxf6 17. Rhg1 Ndxe5 18. dxe5 Nxe5 19. Qg3 Qf8 20. Ke2 Nc6 21. Nf3 Rd8 22. Rad1 d4 23. cxd4 cxd4 24. Rc1 Rg6 25. Qh3 Rh6 26. Qxh6 Kh8 27. Qxg7+ Qxg7 28. Rxg7 Kxg7 29. Rxc6 dxe3 30. Rc7+ Kf6 31. Kxe3 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.12"] [White "Moreno Hernandez, Andres Mauricio"] [Black "Hernandez Guarin, Samuel Andres"] [Result "0-1"] [ECO "C42"] [WhiteElo "1470"] [BlackElo "1554"] [PlyCount "52"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 Bb4 5. d3 h6 6. Bd2 d6 7. a3 Ba5 8. h3 Be6 9. O-O O-O 10. Nh2 Nd7 11. f4 f5 12. exf5 Bxf5 13. Bg4 Bb6+ 14. Kh1 Nd4 15. Nd5 Nf6 16. Nxb6 axb6 17. fxe5 Bxg4 18. Nxg4 dxe5 19. Nxe5 Qd5 20. Nf3 Nh5 21. Rf2 Ng3+ 22. Kg1 Rae8 23. Nxd4 Qxd4 24. Be1 Re2 25. c3 Rfxf2 26. Qxe2 Nxe2+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.13"] [White "Ortega Rueda, Nicolas"] [Black "Chaparro Velandia, Joan Sebastian"] [Result "0-1"] [ECO "B21"] [WhiteElo "1246"] [PlyCount "72"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 d6 5. Nf3 Nc6 6. O-O Nf6 7. Re1 Bg4 8. Nbd2 g6 9. h3 Be6 10. Ng5 Bd7 11. Qb3 e6 12. Ngf3 Bg7 13. Qxb7 Rb8 14. Qa6 O-O 15. Bb5 Rb6 16. Qa4 Qb8 17. Bxc6 Bxc6 18. Qa3 Qb7 19. Nc4 Ra6 20. Na5 Qb6 21. b4 Nxe4 22. Be3 Qc7 23. Bd2 Nxd2 24. Nxd2 Rb8 25. Rab1 Bh6 26. Red1 d5 27. c4 Bxd2 28. b5 Rxa5 29. Qd3 Bh6 30. bxc6 Rxb1 31. Rxb1 Qxc6 32. Rb8+ Bf8 33. cxd5 Qxd5 34. Qe3 Rxa2 35. Qh6 Qd1+ 36. Kh2 Qd6+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.14"] [White "Carrero, Oscar David"] [Black "Gomez Gomez, Elvis Naid"] [Result "1-0"] [ECO "A00"] [WhiteElo "1740"] [BlackElo "1548"] [PlyCount "58"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. h4 h6 2. e4 c5 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Nf3 e5 7. Bc4 Nf6 8. Qb3 Qe7 9. O-O d6 10. Nd5 Nxd5 11. exd5 Na5 12. Qb5+ Bd7 13. Qxa5 Qf6 14. Qc7 Rc8 15. Qxb7 Rxc4 16. Qb8+ Rc8 17. Qxa7 Qd8 18. Be3 Be7 19. Bb6 Qxb6 20. Qxb6 O-O 21. Qe3 Bf5 22. Rac1 Bf6 23. Rxc8 Rxc8 24. Rc1 Rb8 25. b3 Rb5 26. Qa7 Kh7 27. Qxf7 Be4 28. Rc7 Bxd5 29. Qxf6 Rb7 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.15"] [White "Giraldo Guevara, Juan Diego"] [Black "Sanchez Fonseca, Alejandro"] [Result "1-0"] [ECO "C65"] [WhiteElo "1583"] [BlackElo "1228"] [PlyCount "53"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 Bg4 6. O-O a6 7. Ba4 d5 8. exd5 Qxd5 9. Nbd2 Qxd3 10. Re1 Bc5 11. Rxe5+ Be7 12. Qe1 b5 13. Re3 Qd6 14. Bc2 O-O 15. Ne4 Nxe4 16. Bxe4 Bxf3 17. Rxf3 Qe5 18. Bf4 Qc5 19. Bxc6 Qxc6 20. Qxe7 Rad8 21. Qxc7 Qxc7 22. Bxc7 Rd7 23. Bg3 Rfd8 24. Re1 Rd1 25. Rfe3 Rxe1+ 26. Rxe1 Rd2 27. Re8# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.16"] [White "Carvajal Barreto, Gian Lucas"] [Black "Silva Barajas, Jose Alejandro"] [Result "0-1"] [ECO "C50"] [WhiteElo "1069"] [PlyCount "54"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. Nxd4 exd4 5. c3 dxc3 6. Nxc3 Bb4 7. O-O Ne7 8. a3 Bxc3 9. dxc3 O-O 10. Qf3 d6 11. Rd1 Be6 12. Bxe6 fxe6 13. Qe3 e5 14. b4 Ng6 15. c4 Qf6 16. Qg3 Rad8 17. Bg5 Qf7 18. Bxd8 Rxd8 19. Rd3 Nf4 20. Rf3 Ne2+ 21. Kh1 Nxg3+ 22. hxg3 Qxc4 23. Re1 Rf8 24. Ree3 Rxf3 25. Rxf3 Qxe4 26. Rc3 Qe1+ 27. Kh2 Qxc3 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.12"] [Round "3.17"] [White "Gualdron Pulido, Deyson Yesid"] [Black "Dulcey Buitrago, John Jairo"] [Result "0-1"] [ECO "A00"] [BlackElo "1586"] [PlyCount "86"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. Nc3 h5 2. Nf3 Nc6 3. e4 e6 4. d4 d5 5. Ne5 Nxe5 6. dxe5 Bb4 7. Bd2 dxe4 8. Nxe4 Bxd2+ 9. Qxd2 Qxd2+ 10. Nxd2 Bd7 11. O-O-O O-O-O 12. Bd3 Ne7 13. Rhe1 Nc6 14. c3 Ne7 15. Bc2 g5 16. h3 g4 17. a3 Ng6 18. Bxg6 fxg6 19. Ne4 Ba4 20. Rd4 Rxd4 21. cxd4 Rd8 22. Nc5 Rxd4 23. Nxa4 Rxa4 24. hxg4 Rxg4 25. g3 g5 26. Rh1 h4 27. gxh4 Rxh4 28. Rxh4 gxh4 29. Kd2 h3 30. Ke3 h2 31. Kf4 h1=Q 32. Kg5 Qc1+ 33. Kf6 Kd7 34. b4 Qf4+ 35. Kg6 Qxe5 36. f4 Qxf4 37. Kg7 e5 38. b5 e4 39. a4 e3 40. a5 e2 41. a6 e1=Q 42. axb7 Qg1+ 43. Kh7 Qh4# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.1"] [White "Brito Carrascal, Camilo Andres"] [Black "Caballero Marrugo, David Jose"] [Result "1-0"] [WhiteElo "1832"] [BlackElo "1837"] [PlyCount "153"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h6 6. Qd2 b5 7. O-O-O Bb7 8. f3 Nd7 9. d5 Rc8 10. Kb1 c5 11. dxc6 Bxc6 12. Bd4 Ngf6 13. Nh3 Nf8 14. Qf2 Qd7 15. Nf4 Qb7 16. Nfd5 b4 17. Nxf6+ exf6 18. Nd5 Nd7 19. h5 Bxd5 20. exd5 g5 21. Qe2+ Ne5 22. Qxa6 Qc7 23. Bd3 O-O 24. Qb6 Qd7 25. Qxb4 Rb8 26. Qd2 Qa4 27. b3 Rb7 28. Bb2 Qa7 29. Bf5 Ra8 30. a4 Qb6 31. Qd4 Qa5 32. f4 Rb4 33. Qc3 Rxf4 34. Qxa5 Rxa5 35. Bd3 f5 36. Bb5 Rg4 37. Rd2 Ra7 38. Re2 Rb4 39. Rf1 Rh4 40. Rxf5 Rxh5 41. Rf1 g4 42. Ba3 Bf8 43. Bb2 Bg7 44. Rd1 Rf5 45. c4 Rc7 46. a5 g3 47. a6 Rf2 48. Rxf2 gxf2 49. Rf1 Ng4 50. Bxg7 Kxg7 51. Bc6 Ra7 52. Bb7 Kf6 53. b4 Ke7 54. b5 Ne3 55. Rxf2 Nxc4 56. Ka2 f6 57. Rf4 Nb6 58. Kb3 Nd7 59. Kb4 Nc5 60. b6 Nxa6+ 61. Bxa6 Rxa6 62. Kb5 Ra8 63. b7 Rb8 64. Kc6 Rg8 65. Kc7 Rxg2 66. b8=Q Rc2+ 67. Kb7 Rb2+ 68. Kc8 Rxb8+ 69. Kxb8 h5 70. Kc7 h4 71. Rxh4 f5 72. Rh7+ Kf6 73. Kxd6 f4 74. Kc7 f3 75. Rh3 Ke5 76. d6 Ke4 77. Rxf3 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.2"] [White "Munoz Triana, Joseph Steve"] [Black "Diaz Larrea, Juan Manuel"] [Result "1/2-1/2"] [WhiteElo "1888"] [BlackElo "1819"] [PlyCount "54"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 O-O 8. Be3 d5 9. O-O-O d4 10. Bg5 Qd6 11. e5 Nxe5 12. Nb5 d3 13. Qe1 Qe6 14. Nc3 Qd5 15. Bxf6 gxf6 16. Bxd3 Bd4 17. Nxd4 Qxa2 18. Qe4 Qa1+ 19. Kd2 Qa5 20. Kc1 Qa1+ 21. Kd2 Qa5 22. Kc1 Qa1+ 23. Kd2 Qa5 24. Kc1 Qa1+ 25. Kd2 Qa5 26. Kc1 Qa1+ 27. Kd2 Qa5 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.3"] [White "Hernandez Serrano, Cristhian Daniel"] [Black "Vargas Villalobos, Daniel Fernando"] [Result "1-0"] [WhiteElo "1849"] [BlackElo "1581"] [PlyCount "89"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 h6 5. Bg2 Bd6 6. Nbd2 b6 7. cxd5 exd5 8. O-O O-O 9. Qc2 Re8 10. Re1 Bb7 11. b3 c5 12. Bb2 Nc6 13. dxc5 bxc5 14. a3 Rc8 15. Rac1 Ne5 16. Nxe5 Bxe5 17. Nf3 Bxb2 18. Qxb2 Qb6 19. e3 Ne4 20. Nd2 Nf6 21. Red1 c4 22. b4 Ng4 23. Nf3 Rxe3 24. Nd4 Ree8 25. Bh3 Qg6 26. Nb5 Rc6 27. Qc2 Qh5 28. Bxg4 Qxg4 29. Rd4 Qe2 30. Rd2 Qe4 31. Qxe4 Rxe4 32. Rxd5 Rce6 33. Rdd1 Re2 34. Nd4 c3 35. Nxe2 Rxe2 36. Rxc3 g5 37. Rc7 Bf3 38. Rxa7 g4 39. Ra1 Rb2 40. Rc7 Kg7 41. Rc4 h5 42. a4 Kg6 43. a5 Be2 44. Rc6+ Kf5 45. a6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.4"] [White "Molina Ballesteros, Juan Sebastian"] [Black "Perez Latorre, Juan Sebastian"] [Result "1/2-1/2"] [WhiteElo "1805"] [BlackElo "1408"] [PlyCount "98"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Bb3 d6 10. h3 Bd7 11. f4 Nxd4 12. Bxd4 Bc6 13. e5 dxe5 14. Bxe5 Rad8 15. Qe2 Rd7 16. Kh2 Rfd8 17. Rad1 e6 18. Rxd7 Rxd7 19. Rd1 Qd8 20. Rxd7 Qxd7 21. Qe3 a6 22. Qd4 Qxd4 23. Bxd4 Ne4 24. Bxg7 Kxg7 25. Nd1 Nd2 26. Kg1 Nxb3 27. axb3 h5 28. g3 Kf6 29. Ne3 e5 30. h4 exf4 31. gxf4 Be4 32. c3 b5 33. b4 Ke6 34. Kf2 f6 35. Nf1 Bd5 36. Nd2 Kf5 37. Kg3 g5 38. fxg5 fxg5 39. hxg5 Kxg5 40. Nf3+ Bxf3 41. Kxf3 Kf5 42. b3 Ke5 43. Ke3 h4 44. Kf3 h3 45. Kg3 Ke4 46. c4 bxc4 47. bxc4 Kd4 48. c5 Kd5 49. Kxh3 a5 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.5"] [White "Hernandez Guarin, Samuel Andres"] [Black "Guarin Fonseca, Nobel Alfredo"] [Result "0-1"] [WhiteElo "1554"] [BlackElo "1773"] [PlyCount "62"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 O-O 6. Be3 c6 7. Qd2 b5 8. a3 Bb7 9. Bd3 Nbd7 10. e5 Ne8 11. Bh6 dxe5 12. dxe5 Nc5 13. O-O-O Nxd3+ 14. cxd3 b4 15. axb4 a5 16. bxa5 Rxa5 17. Kc2 c5 18. Ra1 Bxh6 19. Qxh6 Bxf3 20. gxf3 Ng7 21. Qd2 Nf5 22. Ne2 Rb5 23. Qc3 Qd7 24. Ra4 Rxb2+ 25. Kxb2 Qxa4 26. Ra1 Qc6 27. Ng1 Nd4 28. Ra5 Rb8+ 29. Ka2 Qb6 30. f4 Qb1+ 31. Ka3 Rb3+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.6"] [White "Luna Velandia, Juan Sebastian"] [Black "Pabon Arevalo, Emmanuel Alejandro"] [Result "1-0"] [WhiteElo "1473"] [BlackElo "1717"] [PlyCount "101"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. h3 O-O 10. O-O Bf5 11. Bf4 f6 12. Bxc6 bxc6 13. Nc3 Nxc3 14. bxc3 Be4 15. Nd2 Bf5 16. a4 Ba5 17. Rc1 Bb6 18. exf6 Qxf6 19. Be5 Qg6 20. Bg3 Rae8 21. Nf3 Be4 22. Nd2 Bd3 23. Re1 c5 24. Rxe8 Rxe8 25. Qf3 c6 26. Be5 cxd4 27. cxd4 Bc2 28. Nb3 Rf8 29. Qc3 Be4 30. Qg3 Qxg3 31. Bxg3 Rf6 32. a5 Bd8 33. Bh4 Rf8 34. Bxd8 Rxd8 35. Rxc6 Rb8 36. Nc5 Bg6 37. Ra6 Ra8 38. Kf1 Kf8 39. Ke1 Ke7 40. Kd2 Bf5 41. g4 Bc8 42. Rc6 Rb8 43. Rc7+ Kd6 44. Rxa7 Rb4 45. Kd3 h5 46. Rxg7 hxg4 47. hxg4 Rb2 48. f4 Ra2 49. a6 Kc6 50. Rg8 Bxa6+ 51. Nxa6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.7"] [White "Rueda Rojas, Richard Alejandro"] [Black "Becker Newmark, Jeronimo"] [Result "1-0"] [WhiteElo "1708"] [BlackElo "1572"] [PlyCount "33"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. Nf3 d5 2. d4 e6 3. c4 h6 4. Nc3 Nf6 5. g3 Nc6 6. Bg2 Bd6 7. O-O O-O 8. b3 dxc4 9. bxc4 e5 10. d5 Na5 11. Qa4 b6 12. Nd2 Nb7 13. Qc2 Qe7 14. Bb2 Bc5 15. Nb3 Ne8 16. Nxc5 Nxc5 17. d6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.8"] [White "Chaparro Velandia, Joan Sebastian"] [Black "Claro Molinares, Samuel David"] [Result "1/2-1/2"] [BlackElo "1638"] [PlyCount "99"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nd2 d6 5. c4 O-O 6. Ngf3 Nc6 7. a3 e5 8. O-O Nd7 9. dxe5 dxe5 10. e4 Nc5 11. Bc2 a5 12. Nb3 Nxb3 13. Bxb3 Bg4 14. h3 Qxd1 15. Bxd1 Be6 16. Be2 a4 17. Bd2 Rfd8 18. Bc3 h6 19. Rad1 f5 20. exf5 gxf5 21. Rxd8+ Rxd8 22. Rd1 Nd4 23. Bxd4 exd4 24. Bd3 Bf6 25. Re1 Kf7 26. Ne5+ Ke7 27. g4 Bxe5 28. gxf5 Bxc4 29. Bxc4 Kf6 30. Bd3 Rd6 31. Kf1 Rb6 32. Re2 Rb3 33. f4 Bxf4 34. Re6+ Kg7 35. f6+ Kf8 36. Be2 Re3 37. Rxe3 Bxe3 38. Bc4 Bc1 39. b3 axb3 40. Bxb3 Bxa3 41. Ke2 b5 42. Bd5 Bc5 43. Kd3 Bb6 44. Bc6 Kf7 45. Bxb5 Kxf6 46. h4 Kf5 47. h5 Kf4 48. Be8 Kg4 49. Bf7 c6 50. Bg6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.9"] [White "Cifuentes Camacho, Miguel Angel"] [Black "Garces Suaza, Carlos Daniel"] [Result "0-1"] [ECO "E43"] [WhiteElo "1644"] [BlackElo "1704"] [PlyCount "85"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. e3 c5 6. Nf3 b6 7. Bd3 Bb7 8. O-O d5 9. a3 Bxc3 10. Bxc3 Nbd7 11. Qe2 Rc8 12. cxd5 exd5 13. Rfd1 c4 14. Bf5 Re8 15. Qc2 Rc7 16. Ne5 g6 17. Nxd7 Nxd7 18. Bh3 Nf6 19. a4 Bc8 20. Bxc8 Qxc8 21. a5 b5 22. Bb4 a6 23. Re1 Qf5 24. Qxf5 gxf5 25. f3 Rc6 26. Kf2 Kg7 27. h3 h5 28. Rh1 Rce6 29. Rae1 h4 30. Rhg1 Nh5 31. Bc5 Ng3 32. Ba3 Kg6 33. Bb4 Rb8 34. Rc1 f4 35. Rc3 Rbe8 36. Re1 Nf5 37. Bc5 Nxe3 38. Kg1 Kf5 39. Re2 Rg8 40. b4 Reg6 41. Rcxe3 fxe3 42. Rxe3 Rxg2+ 43. Kf1 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.10"] [White "Hurtado Paez, Andres Jesus"] [Black "Gonzalez Bolivar, Juan Jose"] [Result "0-1"] [ECO "C45"] [WhiteElo "1590"] [BlackElo "1544"] [PlyCount "82"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bd3 d6 7. Nc3 Bd4 8. Qf3 Qf6 9. Qg3 Bxc3+ 10. Ke2 Bxb2 11. Bg5 Qg6 12. e5 Qh5+ 13. f3 Bxe5 14. Bf4 Bxf4 15. Qxf4 Qe5+ 16. Qxe5+ dxe5 17. Rhe1 Nh6 18. Kd2 f6 19. f4 Nf7 20. Bc4 Nd6 21. Bd3 O-O 22. fxe5 fxe5 23. Rxe5 Bf5 24. Rae1 Bxd3 25. cxd3 Rae8 26. Kc3 Rxe5 27. Rxe5 Rf2 28. a4 Rxg2 29. Ra5 Rxh2 30. Rxa7 Rh4 31. d4 g5 32. Rxc7 Rh6 33. Re7 g4 34. Kb4 g3 35. Re2 Rg6 36. Rg2 h5 37. a5 h4 38. a6 Nb5 39. d5 Na7 40. d6 Rxd6 41. Kc5 Rg6 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.11"] [White "Carrero, Oscar David"] [Black "Moreno Hernandez, Andres Mauricio"] [Result "1-0"] [ECO "B10"] [WhiteElo "1740"] [BlackElo "1470"] [PlyCount "51"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Bc4 Nxc3 7. bxc3 Nc6 8. d4 e6 9. Nf3 Bd6 10. O-O O-O 11. Bd3 h6 12. Be3 Qc7 13. Qd2 f5 14. Qc2 e5 15. h3 e4 16. Bc4+ Kh7 17. Ne1 Rf6 18. f3 f4 19. fxe4 fxe3 20. e5+ Bf5 21. Rxf5 Rxf5 22. Qxf5+ g6 23. exd6 Qxd6 24. Qf3 e2 25. Bxe2 Nxd4 26. Qxb7+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.12"] [White "Cuartas Lozano, Santiago"] [Black "Negron Lizarazo, Juan Sebastian"] [Result "1-0"] [ECO "B01"] [WhiteElo "1413"] [BlackElo "1587"] [PlyCount "75"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. h3 Bf5 6. Bc4 e6 7. Qe2 Nbd7 8. O-O O-O-O 9. d3 Nb6 10. Bb3 Nbd5 11. Ne4 c6 12. Bd2 Qc7 13. Rad1 Bg6 14. Bg5 Be7 15. c4 Nxe4 16. dxe4 Nf4 17. Qe3 Bxg5 18. Nxg5 f6 19. Nf3 Bh5 20. e5 fxe5 21. Rxd8+ Rxd8 22. Nxe5 Ne2+ 23. Kh1 Nd4 24. Re1 Qb6 25. Nd3 Bf7 26. Nc1 Nxb3 27. Qxb6 axb6 28. Nxb3 Kc7 29. Kg1 Ra8 30. a3 Ra4 31. Nd2 Ra5 32. Nf3 Kd6 33. Rd1+ Ke7 34. Re1 Ra8 35. Ng5 Bg8 36. Rd1 Ra4 37. Rc1 Ra5 38. Nf3 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.13"] [White "Pilonieta Forero, Andres Felipe"] [Black "Giraldo Guevara, Juan Diego"] [Result "0-1"] [ECO "B80"] [WhiteElo "1514"] [BlackElo "1583"] [PlyCount "76"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e6 7. Be3 a6 8. Qd2 Bd7 9. O-O-O Be7 10. g4 Qc7 11. h4 b5 12. h5 h6 13. Nxc6 Bxc6 14. Ne2 Rc8 15. Nd4 Bb7 16. Be2 Nd7 17. g5 hxg5 18. Kb1 g4 19. Rdg1 Nf6 20. Bg5 gxf3 21. Bxf3 Nxe4 22. Bxe4 Bxe4 23. Rh4 d5 24. Rhg4 e5 25. Bxe7 Kxe7 26. Qg5+ Kd6 27. Nf5+ Bxf5 28. Qxf5 Rxh5 29. Rg6+ Ke7 30. R6g5 Rxg5 31. Qxg5+ Kd6 32. c3 f6 33. Qh5 b4 34. Rg3 bxc3 35. Rxc3 Qb7 36. Rb3 Qd7 37. Qe2 Qf5+ 38. Rd3 Rc4 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.14"] [White "Dulcey Buitrago, John Jairo"] [Black "Sarmiento, Juan Diego"] [Result "0-1"] [ECO "E36"] [WhiteElo "1586"] [BlackElo "1489"] [PlyCount "44"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qd3 c5 8. f3 Qh4+ 9. g3 Nxg3 10. hxg3 Qxh1 11. Be3 cxd4 12. Qxd4 O-O 13. cxd5 exd5 14. Qxd5 Nc6 15. O-O-O Be6 16. Qb5 Qh2 17. Qg5 h6 18. Qh4 Qxh4 19. gxh4 Rfd8 20. Bd2 Nd4 21. Be3 Nb3+ 22. Kc2 Rac8+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.15"] [White "Silva Barajas, Jose Alejandro"] [Black "Ortega Rueda, Nicolas"] [Result "0-1"] [ECO "D00"] [BlackElo "1246"] [PlyCount "112"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 Nc7 7. Nf3 Be7 8. Bd3 O-O 9. O-O Re8 10. Ne5 Bd6 11. Qf3 g6 12. Bg5 Be7 13. Ng4 Nxg4 14. Bxe7 Rxe7 15. Qxg4 e5 16. Qg5 e4 17. Be2 Ne6 18. Qh4 Ng7 19. f3 Nf5 20. Qf6 Nxe3 21. Rfc1 Bf5 22. Qg5 Nc4 23. b3 Nd6 24. Qe3 exf3 25. Qxf3 Ne4 26. Nxe4 Bxe4 27. Qg3 Bf5 28. Bg4 Bxg4 29. Qxg4 Re4 30. Qd1 Qf6 31. c3 Rae8 32. Qd3 Re3 33. Qf1 Qg5 34. c4 R3e4 35. cxd5 cxd5 36. Re1 R8e6 37. Qf2 Rf6 38. Qb2 Rfe6 39. Qc3 Rc6 40. Qb2 Rce6 41. Qc3 Qh4 42. Red1 Qf4 43. Rd3 Rc6 44. Qd2 Qg4 45. h3 Qe6 46. Kh2 Qd6+ 47. Kh1 Qe6 48. Kh2 Re2 49. Qd1 Rcc2 50. Rg3 Qd6 51. Qg1 Rc3 52. Rf1 Qxg3+ 53. Kh1 Qxh3+ 54. gxh3 Rxh3+ 55. Qh2 Rhxh2+ 56. Kg1 Reg2# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.16"] [White "Sanchez Fonseca, Alejandro"] [Black "Gualdron Pulido, Deyson Yesid"] [Result "1-0"] [ECO "C50"] [WhiteElo "1228"] [PlyCount "98"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Qf6 3. Bc4 Nc6 4. d3 Bc5 5. Bg5 Qg6 6. Bb5 Nd4 7. Nxd4 Bxd4 8. Qd2 Bxb2 9. c3 Bxa1 10. O-O f6 11. Be3 c6 12. Bc4 d5 13. exd5 Bh3 14. f3 O-O-O 15. Bxa7 cxd5 16. Bb3 d4 17. Na3 Bxc3 18. Qc2 Kd7 19. Nb5 Rc8 20. Ba4 Ke7 21. Kh1 Bd7 22. Qe2 Ra8 23. Bc5+ Ke8 24. Nc7+ Kd8 25. Nxa8 Bxa4 26. Rb1 Qh6 27. Qe4 Bc6 28. Bb6+ Kc8 29. Qf5+ Bd7 30. Qe4 Ne7 31. Bc5 Bc6 32. Qg4+ f5 33. Qg3 Kd8 34. Qxe5 Qf6 35. Bxe7+ Qxe7 36. Qb8+ Kd7 37. Qxh8 Be1 38. Nb6+ Kc7 39. Qc8+ Kd6 40. Nc4+ Kc5 41. Qxf5+ Bd5 42. Nb6 Qd6 43. Nxd5 g6 44. Qc8+ Kxd5 45. Rxe1 h5 46. Qxb7+ Qc6 47. Qf7+ Kc5 48. Rc1+ Kd6 49. Rxc6+ Kxc6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "4.17"] [White "Gomez Gomez, Elvis Naid"] [Black "Carvajal Barreto, Gian Lucas"] [Result "1-0"] [ECO "D00"] [WhiteElo "1548"] [BlackElo "1069"] [PlyCount "95"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Bf4 Bf5 3. e3 a6 4. c4 e6 5. Nc3 Nc6 6. Nf3 Nb4 7. Rc1 Nc6 8. a3 Nf6 9. Bd3 Bxd3 10. Qxd3 Bd6 11. Bg3 Ng4 12. c5 Bxg3 13. hxg3 h6 14. Ne2 e5 15. Qb3 Rb8 16. Nxe5 Ngxe5 17. dxe5 Nxe5 18. Rd1 c6 19. Qc3 Qf6 20. Rd4 O-O 21. Nf4 Rbd8 22. a4 Ng6 23. Nh5 Qe5 24. f4 Qe6 25. Re4 Ne5 26. Rxe5 Qg6 27. Kf2 Rfe8 28. Rxe8+ Rxe8 29. Qd4 Qc2+ 30. Kf3 Qh7 31. g4 f6 32. Rd1 Qg6 33. Qd3 Qf7 34. Ng3 g6 35. Re1 h5 36. gxh5 gxh5 37. Nf5 Qh7 38. Rh1 Kf7 39. Nd6+ Kg8 40. Qxh7+ Kxh7 41. Nxe8 Kg6 42. g4 hxg4+ 43. Kxg4 f5+ 44. Kf3 Kf7 45. Nd6+ Ke6 46. Nxb7 Kf6 47. Rh6+ Kf7 48. Rxc6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.1"] [White "Diaz Larrea, Juan Manuel"] [Black "Brito Carrascal, Camilo Andres"] [Result "0-1"] [WhiteElo "1819"] [BlackElo "1832"] [PlyCount "88"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be2 Bb7 9. f3 Be7 10. Be3 d6 11. O-O Nbd7 12. Rc1 O-O 13. g4 g6 14. Bh6 Rfc8 15. g5 Ne8 16. Rf2 e5 17. Nc2 d5 18. Nxd5 Bxd5 19. exd5 Bc5 20. Nb4 Bxf2+ 21. Kxf2 Qc5+ 22. Kg2 Nd6 23. Nc6 Nf5 24. Qd2 Re8 25. Bd3 Qe3 26. Qxe3 Nxe3+ 27. Kf2 Nf5 28. Bxf5 gxf5 29. g6 fxg6 30. Bg5 Kf7 31. d6 Ke6 32. Be7 Rec8 33. Nb4 b5 34. b3 a5 35. Nd5 bxc4 36. bxc4 Rc6 37. Ke3 Rac8 38. Kd3 Nc5+ 39. Kc3 Rb8 40. Nc7+ Kd7 41. Nb5 Na4+ 42. Kd2 Nb2 43. Nc7 Nxc4+ 44. Ke2 Nxd6 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.2"] [White "Guarin Fonseca, Nobel Alfredo"] [Black "Munoz Triana, Joseph Steve"] [Result "1/2-1/2"] [WhiteElo "1773"] [BlackElo "1888"] [PlyCount "161"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. O-O-O c6 11. Nxe5 Nxe4 12. Nxe4 Bxe5 13. Bf3 Be6 14. Rhe1 Na6 15. b3 Bf5 16. Nf6+ Bxf6 17. Bxf6 Nb4 18. Rxe8+ Rxe8 19. g4 Nd3+ 20. Kd2 Nxf2 21. gxf5 Nxd1 22. Bxd1 gxf5 23. Bc2 Re6 24. Bh4 f4 25. Bg5 f3 26. Bd3 Kg7 27. Be3 b6 28. Bf5 Re8 29. Bg4 Kg6 30. Bxf3 c5 31. Bd5 Re7 32. Ke2 Kf5 33. Kf3 h5 34. Kf2 f6 35. Bg2 Ke5 36. Kg3 Rg7+ 37. Kh3 f5 38. Bd5 f4 39. Bf2 Kf5 40. Kh4 Re7 41. Bf3 Rd7 42. Be1 Re7 43. Bf2 Rd7 44. Bd5 Re7 45. Bf3 Rg7 46. Kh3 Rd7 47. Bd5 Re7 48. Bf3 a5 49. Kg2 Rg7+ 50. Kf1 Rd7 51. Be1 Rd3 52. Ke2 Re3+ 53. Kf2 Rd3 54. h4 Rd6 55. Ke2 Re6+ 56. Kd2 Rg6 57. Bf2 Rh6 58. Kc3 Ke5 59. a3 Rh7 60. b4 axb4+ 61. axb4 Ra7 62. Kb3 Ra1 63. Bg2 Rb1+ 64. Kc3 Rxb4 65. Bf3 Rb1 66. Be2 f3 67. Bg3+ Kf5 68. Bd3+ Kg4 69. Bxb1 Kxg3 70. Kd2 Kxh4 71. Ke3 Kg3 72. Be4 f2 73. Ke2 h4 74. Bc6 h3 75. Bd5 h2 76. Bc6 h1=Q 77. Bxh1 Kh2 78. Kxf2 Kxh1 79. Kf1 Kh2 80. Kf2 Kh1 81. Kf1 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.3"] [White "Rueda Rojas, Richard Alejandro"] [Black "Hernandez Serrano, Cristhian Daniel"] [Result "1-0"] [WhiteElo "1708"] [BlackElo "1849"] [PlyCount "72"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. g3 O-O 7. Bg2 Bxc3 8. Bxc3 Ne4 9. Qc2 Nxc3 10. Ng5 Be4 11. Nxe4 Nxe4 12. Bxe4 Nc6 13. d5 Nb4 14. Bxh7+ Kh8 15. Qb3 Kxh7 16. Qxb4 exd5 17. cxd5 Re8 18. Qc4 c5 19. dxc6 dxc6 20. Qxf7 Qd4 21. O-O Qxb2 22. e3 Rf8 23. Qc4 Rxf2 24. Qe4+ Kh8 25. Rxf2 Qxa1+ 26. Rf1 Qxa2 27. Rf4 Kg8 28. Rh4 Qa1+ 29. Kg2 Qa2+ 30. Kh3 Rd8 31. Qh7+ Kf7 32. Rf4+ Ke6 33. Qg6+ Kd7 34. Rf7+ Qxf7 35. Qxf7+ Kd6 36. Qxa7 Kd5 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.4"] [White "Caballero Marrugo, David Jose"] [Black "Luna Velandia, Juan Sebastian"] [Result "1-0"] [WhiteElo "1837"] [BlackElo "1473"] [PlyCount "97"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. f4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d5 6. Be2 c5 7. O-O Nc6 8. Bb5 Na5 9. Be2 d4 10. b4 Qb6 11. exd4 cxb4 12. a3 Nc6 13. axb4 Nd5 14. c3 Nxf4 15. Na3 Nxe2+ 16. Qxe2 Bg4 17. Nc4 Qb5 18. d3 e6 19. Ba3 Rad8 20. Kh1 e5 21. dxe5 Bxf3 22. Rxf3 Nxe5 23. Nxe5 Qxe5 24. Qxe5 Bxe5 25. d4 Bb8 26. Bb2 Rfe8 27. c4 Re4 28. Rc1 Rde8 29. Bc3 Re3 30. Rxe3 Rxe3 31. d5 Be5 32. Bxe5 Rxe5 33. Kg1 Kf8 34. b5 b6 35. Kf2 Re7 36. Rc3 Rc7 37. Ke3 Ke7 38. Kd4 Kd6 39. Re3 Rc8 40. g4 h6 41. Rh3 Rh8 42. g5 h5 43. Rf3 Rf8 44. Rf6+ Kd7 45. h4 Kc7 46. d6+ Kb8 47. Kd5 Kb7 48. Rf4 Kc8 49. Kc6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.5"] [White "Gonzalez Bolivar, Juan Jose"] [Black "Molina Ballesteros, Juan Sebastian"] [Result "0-1"] [WhiteElo "1544"] [BlackElo "1805"] [PlyCount "170"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Be2 Nbd7 10. f4 Qc7 11. f5 Bc4 12. Nd2 Bxe2 13. Qxe2 Rc8 14. O-O b5 15. a3 Nb6 16. a4 b4 17. Qxa6 bxc3 18. Bxb6 Qc6 19. bxc3 d5 20. Qb5 dxe4 21. Rfe1 O-O 22. Qxc6 Rxc6 23. Bf2 Rxc3 24. Nxe4 Nxe4 25. Rxe4 Rxc2 26. a5 Ra8 27. a6 Rc7 28. a7 f6 29. Rb1 Kf7 30. h3 Bd6 31. Ra4 Ke7 32. Ra6 Kd7 33. Rbb6 Bc5 34. Bxc5 Rxc5 35. Rb8 Rc8 36. Rb7+ Rc7 37. Rb2 Raxa7 38. Re6 Kd8 39. Rb8+ Rc8 40. Rb2 Rd7 41. Ra2 Re7 42. Rd6+ Ke8 43. Kf2 Rd8 44. Rb6 Red7 45. Ke2 h5 46. Rc2 Rd6 47. Rb7 R6d7 48. Rb6 Rd4 49. Rb7 R8d7 50. Rc8+ Ke7 51. Rg8 Kf7 52. Rbb8 Re4+ 53. Kf1 Rf4+ 54. Ke2 Rxf5 55. Rgf8+ Kg6 56. g3 Rg5 57. Rb3 e4 58. Re8 Rd3 59. Rb4 Rdxg3 60. Rbxe4 Rxh3 61. Kf1 Rf3+ 62. Ke2 Rff5 63. Ke3 Re5 64. R8xe5 Rxe5 65. Rxe5 fxe5 66. Kf2 Kf5 67. Kf3 e4+ 68. Ke2 h4 69. Kf2 Kf4 70. Kg2 Ke3 71. Kh3 Kf2 72. Kh2 e3 73. Kh3 e2 74. Kxh4 e1=Q 75. Kg5 Qe5+ 76. Kg6 Kg3 77. Kh7 g5 78. Kg6 g4 79. Kh6 Qf5 80. Kg7 Qe6 81. Kh7 Qf6 82. Kg8 Qe7 83. Kh8 Kh4 84. Kg8 Kg5 85. Kh8 Kg6 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.6"] [White "Garces Suaza, Carlos Daniel"] [Black "Chaparro Velandia, Joan Sebastian"] [Result "1/2-1/2"] [WhiteElo "1704"] [PlyCount "112"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nf3 h6 8. Nc3 Ne7 9. Rc1 a6 10. Bd3 Nbc6 11. O-O Ng6 12. Rfe1 Nce7 13. e5 O-O 14. Bb1 dxe5 15. Nxe5 Nxe5 16. Rxe5 Nc6 17. Re3 Qxd4 18. Rd3 Qh4 19. Re1 f5 20. Rh3 Qf6 21. f4 Ne7 22. Rd3 Ng6 23. a3 Re8 24. Ba2 Kh7 25. Rd6 Qf8 26. Bxe6 Bxe6 27. Rexe6 Rxe6 28. Rxe6 Qc5+ 29. Qe3 Qxe3+ 30. Rxe3 Nxf4 31. Rf3 g5 32. g3 Nh3+ 33. Kg2 g4 34. Rxf5 Kg6 35. Rd5 Rf8 36. Rd2 Rf3 37. Nd5 h5 38. Nf4+ Nxf4+ 39. gxf4 Rxf4 40. h3 Rf6 41. hxg4 hxg4 42. Rd4 Kg5 43. Rd7 Rb6 44. b4 Rb5 45. Kg3 b6 46. Rg7+ Kf5 47. Rxg4 a5 48. Rf4+ Ke6 49. bxa5 Rxa5 50. a4 Rg5+ 51. Kh4 Rg8 52. Rb4 Rb8 53. Rb5 Kd6 54. a5 Kc6 55. Rxb6+ Rxb6 56. axb6 Kxb6 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.7"] [White "Perez Latorre, Juan Sebastian"] [Black "Claro Molinares, Samuel David"] [Result "0-1"] [WhiteElo "1408"] [BlackElo "1638"] [PlyCount "60"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. O-O Bg7 6. h3 O-O 7. d3 Nc6 8. Be3 Rb8 9. Nbd2 Nd7 10. d4 Qc7 11. Rc1 e6 12. Nb3 b6 13. Qd3 Rd8 14. Rfd1 Bb7 15. Qc2 h6 16. Rd2 Nf6 17. Rcd1 Ne7 18. e5 dxe5 19. dxc5 Nfd5 20. cxb6 axb6 21. Qc1 Nf5 22. Bb5 e4 23. Nfd4 Ndxe3 24. fxe3 Nxe3 25. Nxe6 Rxd2 26. Qxd2 Qg3 27. Nxg7 Nxd1 28. Qxd1 e3 29. Qe2 Kxg7 30. Nd4 Rd8 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.8"] [White "Sarmiento, Juan Diego"] [Black "Carrero, Oscar David"] [Result "1-0"] [WhiteElo "1489"] [BlackElo "1740"] [PlyCount "45"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Qd4 Nf6 7. e5 Nd5 8. c4 Nb4 9. Qc3 e6 10. a3 Na6 11. Nd2 Bg7 12. Ne4 O-O 13. Bg5 Qc7 14. f4 d5 15. Nf6+ Kh8 16. Qh3 h5 17. g4 Qa5+ 18. Ke2 Qb6 19. Rb1 Bxf6 20. Bxf6+ Kh7 21. gxh5 g5 22. Qd3+ Kg8 23. h6 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.9"] [White "Pabon Arevalo, Emmanuel Alejandro"] [Black "Hernandez Guarin, Samuel Andres"] [Result "1-0"] [ECO "C65"] [WhiteElo "1717"] [BlackElo "1554"] [PlyCount "57"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d6 6. O-O Bg4 7. Bg5 Qd7 8. d4 exd4 9. cxd4 Bxf3 10. gxf3 h6 11. Be3 Nh7 12. dxc5 Ng5 13. Kh1 Qh3 14. Bxc6+ bxc6 15. Nd2 dxc5 16. Rg1 O-O-O 17. Rg3 Qh4 18. Qa4 f5 19. f4 Nh3 20. Nf3 Qh5 21. Qa6+ Kd7 22. Ne5+ Ke7 23. Bxc5+ Kf6 24. Rg6+ Qxg6 25. Nxg6 Kxg6 26. Rg1+ Kf7 27. Qxc6 Nxf4 28. Qxc7+ Ke8 29. Qe7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.10"] [White "Vargas Villalobos, Daniel Fernando"] [Black "Cuartas Lozano, Santiago"] [Result "1/2-1/2"] [ECO "C01"] [WhiteElo "1581"] [BlackElo "1413"] [PlyCount "58"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. c4 e5 2. e3 Nf6 3. Nc3 Be7 4. d4 exd4 5. exd4 d5 6. Nf3 O-O 7. Be2 Nc6 8. h3 Re8 9. O-O Bf5 10. cxd5 Nxd5 11. Bc4 Be6 12. Bb5 Nxc3 13. bxc3 Bd7 14. Bd3 Bf6 15. Bf4 Ne7 16. Be5 Ng6 17. Re1 Bc6 18. Bxg6 hxg6 19. c4 Bxf3 20. Qxf3 Bxe5 21. dxe5 c6 22. Qg4 Re6 23. Red1 Qa5 24. Rd7 Qxe5 25. Rad1 Re7 26. Rd8+ Rxd8 27. Rxd8+ Re8 28. Qc8 Rxd8 29. Qxd8+ Kh7 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.11"] [White "Becker Newmark, Jeronimo"] [Black "Giraldo Guevara, Juan Diego"] [Result "0-1"] [ECO "D00"] [WhiteElo "1572"] [BlackElo "1583"] [PlyCount "62"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Nd7 6. Ngf3 e6 7. Bd3 Nf6 8. O-O Be7 9. h3 O-O 10. Ne5 Nxe5 11. dxe5 Nd7 12. Qh5 f5 13. Nf3 Qe8 14. Qxe8 Rxe8 15. a4 b6 16. Bb5 a6 17. Bc6 Ra7 18. c4 dxc4 19. Nd2 c3 20. bxc3 Rc7 21. Bxd7 Rxd7 22. Nc4 b5 23. axb5 axb5 24. Nb6 Rd3 25. Rfd1 Rxd1+ 26. Rxd1 Bb7 27. Rd7 Be4 28. f3 Bc2 29. Rd2 Bb3 30. Rb2 c4 31. e4 Bc5+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.12"] [White "Ortega Rueda, Nicolas"] [Black "Cifuentes Camacho, Miguel Angel"] [Result "0-1"] [ECO "A00"] [WhiteElo "1246"] [BlackElo "1644"] [PlyCount "54"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 d6 6. Nf3 Nc6 7. Bb5 Qa5+ 8. Bd2 Qxb5 9. b3 Bg4 10. Be3 Ncb4 11. Na3 Qa6 12. Nc4 Nxe3 13. fxe3 d5 14. Nb2 Rc8 15. Rc1 Rxc1 16. Qxc1 Qc6 17. Qxc6+ Nxc6 18. O-O e6 19. Ng5 Bh5 20. Nd1 Be7 21. Nf3 O-O 22. Nc3 a6 23. Na4 f6 24. Nb6 fxe5 25. Nd7 Rf5 26. dxe5 Be8 27. g4 Rf7 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.13"] [White "Negron Lizarazo, Juan Sebastian"] [Black "Hurtado Paez, Andres Jesus"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1587"] [BlackElo "1590"] [PlyCount "118"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Nf3 e6 3. e3 c5 4. Bd3 Nf6 5. O-O Be7 6. b3 cxd4 7. exd4 O-O 8. Nbd2 b6 9. Bb2 Bb7 10. Qe2 Nc6 11. a3 Bd6 12. Ne5 Ne7 13. f4 Ng6 14. Rf3 Re8 15. Raf1 Ne4 16. Nxe4 dxe4 17. Bxe4 Bxe4 18. Qxe4 f5 19. Qe2 Bxe5 20. dxe5 Rc8 21. c4 Qe7 22. g3 Rcd8 23. Rd1 Qc5+ 24. Kg2 Qc6 25. Bd4 Rd7 26. Kg1 a6 27. Bf2 Rxd1+ 28. Qxd1 b5 29. Rc3 Re7 30. Qd6 Qe4 31. Qd3 Qb7 32. c5 Qc6 33. Qd6 Qe4 34. Qd4 Qxd4 35. Bxd4 Rc7 36. Bf2 Ne7 37. Rc2 Kf7 38. b4 Nd5 39. Be1 h6 40. a4 Ne3 41. Ra2 Nc4 42. axb5 axb5 43. Ra8 Rb7 44. Rc8 Ne3 45. Bf2 Nd5 46. c6 Rc7 47. Rxc7+ Nxc7 48. Bc5 g6 49. Kf2 Ke8 50. h4 h5 51. Ke3 Na6 52. Bd6 Kd8 53. Kd4 Kc8 54. Kd3 Kd8 55. Ke3 Kc8 56. Kf3 Kd8 57. Ke2 Kc8 58. Kd3 Kd8 59. Kd4 Kc8 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.14"] [White "Dulcey Buitrago, John Jairo"] [Black "Pilonieta Forero, Andres Felipe"] [Result "0-1"] [ECO "C53"] [WhiteElo "1586"] [BlackElo "1514"] [PlyCount "82"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d3 Nf6 6. Bb3 d6 7. Nbd2 Be6 8. Nf1 h6 9. Qe2 O-O-O 10. Ng3 Rhe8 11. Ba4 Bd7 12. b4 Bb6 13. Bb3 a5 14. b5 Na7 15. a4 Kb8 16. Be3 Bxe3 17. Qxe3 b6 18. h3 Bc8 19. Nh4 d5 20. Nhf5 Qf8 21. O-O Bb7 22. Rfd1 Nc8 23. Rac1 h5 24. f3 g6 25. Nh4 Qe7 26. f4 Nxe4 27. Ngf5 gxf5 28. Nxf5 Qf6 29. dxe4 dxe4 30. Ng3 exf4 31. Nxh5 Qe5 32. Nxf4 Nd6 33. c4 Nf5 34. Qf2 e3 35. Qf1 Ng3 36. Nd3 e2 37. Qf2 exd1=Q+ 38. Rxd1 Ne2+ 39. Kh1 Rh8 40. h4 Rxh4+ 41. Qxh4 Rh8 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.15"] [White "Moreno Hernandez, Andres Mauricio"] [Black "Gomez Gomez, Elvis Naid"] [Result "1-0"] [ECO "A00"] [WhiteElo "1470"] [BlackElo "1548"] [PlyCount "93"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Qf6 5. Nf3 Nd4 6. d3 d6 7. Nd5 Nxf3+ 8. Qxf3 Qxf3 9. gxf3 Bb6 10. Be3 Kd8 11. Bxb6 axb6 12. Rg1 g6 13. f4 Ne7 14. Nxe7 Kxe7 15. d4 Ra4 16. c3 c5 17. b3 Ra5 18. d5 Bd7 19. Rg2 Bh3 20. Rg3 Bxf1 21. Kxf1 Rha8 22. a4 b5 23. Rb1 bxa4 24. bxa4 R8a7 25. Ke2 Rxa4 26. Ke3 Ra3 27. Kd3 Ra2 28. Rf3 f6 29. f5 gxf5 30. Rxf5 Kf7 31. Rg1 b5 32. Rh5 Kf8 33. Rf5 Kf7 34. h4 b4 35. cxb4 cxb4 36. Kc4 Rb7 37. h5 b3 38. h6 Kf8 39. Rxf6+ Rf7 40. Rxf7+ Kxf7 41. Kxb3 Rxf2 42. Rg7+ Kf6 43. Kc4 Rc2+ 44. Kd3 Rc1 45. Rxh7 Kg6 46. Rd7 Kxh6 47. Rxd6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.16"] [White "Silva Barajas, Jose Alejandro"] [Black "Sanchez Fonseca, Alejandro"] [Result "1-0"] [ECO "C44"] [BlackElo "1228"] [PlyCount "111"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. dxe5 Bg4 5. exd5 Nxe5 6. Be2 Bd6 7. Nxe5 Bxe2 8. Qxe2 Qe7 9. Nd3 Qxe2+ 10. Kxe2 Nf6 11. Nc3 O-O 12. Re1 Rfe8+ 13. Kf1 Rxe1+ 14. Nxe1 Bb4 15. Bg5 Bxc3 16. bxc3 Nxd5 17. Rb1 f6 18. Bd2 b6 19. c4 Ne7 20. Bb4 c5 21. Bd2 Nf5 22. Nf3 Nd4 23. Nxd4 cxd4 24. c3 dxc3 25. Bxc3 Rc8 26. Rb4 b5 27. Rxb5 Rxc4 28. Bb2 Rc2 29. Rb8+ Kf7 30. Rb7+ Kg6 31. Ba3 Rxa2 32. Rxa7 Kh6 33. Bc1+ g5 34. Rxa2 Kh5 35. Ra7 h6 36. f3 f5 37. g4+ fxg4 38. fxg4+ Kxg4 39. Rh7 h5 40. Rg7 Kh4 41. Rxg5 Kh3 42. Rxh5+ Kg4 43. Rh8 Kf3 44. Rg8 Ke4 45. h4 Kd3 46. h5 Kc2 47. h6 Kxc1 48. h7 Kd2 49. h8=Q Kd3 50. Re8 Kc4 51. Rd8 Kc5 52. Qd4+ Kb5 53. Qd3+ Kc6 54. Qd6+ Kb5 55. Rc8 Ka5 56. Rb8 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.13"] [Round "5.17"] [White "Carvajal Barreto, Gian Lucas"] [Black "Gualdron Pulido, Deyson Yesid"] [Result "1-0"] [ECO "C55"] [WhiteElo "1069"] [PlyCount "139"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 a6 5. Ng5 Qe7 6. Bxf7+ Kd8 7. Bc4 Ne8 8. Nf7+ Qxf7 9. Bxf7 Nd6 10. Qf3 Nd4 11. Qd3 Nxf7 12. O-O b6 13. Ne2 Bc5 14. Nxd4 Bxd4 15. c3 Bc5 16. b4 Bd6 17. Qd5 Ra7 18. Qxf7 Rf8 19. Bb2 Rxf7 20. Rfe1 a5 21. bxa5 Rxa5 22. Re3 Bc5 23. d4 exd4 24. cxd4 Ba3 25. Rxa3 Rxa3 26. Bxa3 c6 27. Rd1 Kc7 28. d5 Ba6 29. d6+ Kb7 30. g3 c5 31. f4 Bc4 32. Rd2 g5 33. fxg5 Be6 34. Kg2 Kc6 35. Bc1 b5 36. a3 b4 37. axb4 cxb4 38. Bb2 Bg4 39. Bf6 h6 40. h4 hxg5 41. hxg5 b3 42. Rb2 Kxd6 43. Rxb3 Rf8 44. e5+ Kc7 45. Rb4 Be6 46. g6 Bd5+ 47. Kf2 d6 48. g7 Re8 49. Rd4 Kc6 50. exd6 Kxd6 51. Rh4 Rb8 52. Rh8 Rg8 53. Ke3 Bf7 54. Kf4 Ke6 55. Kg5 Kd6 56. Kh6 Ke6 57. Bc3 Ke7 58. Kh7 Re8 59. Rxe8+ Kxe8 60. g4 Ke7 61. g5 Be6 62. g8=Q Bxg8+ 63. Kxg8 Ke6 64. g6 Kf5 65. g7 Kg6 66. Kf8 Kh5 67. g8=Q Kh4 68. Be1+ Kh5 69. Kf7 Kh6 70. Qg6# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.1"] [White "Brito Carrascal, Camilo Andres"] [Black "Rueda Rojas, Richard Alejandro"] [Result "1-0"] [WhiteElo "1832"] [BlackElo "1708"] [PlyCount "111"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 Nc6 3. c4 e5 4. Nc3 Nf6 5. d3 Be7 6. a3 O-O 7. Be2 d6 8. Rb1 a5 9. O-O h6 10. h3 Be6 11. Bd2 Ne8 12. Nd5 f5 13. b4 fxe4 14. dxe4 axb4 15. axb4 b6 16. Nh2 Bxd5 17. exd5 Nd4 18. Bd3 Ra3 19. Bc1 Ra2 20. Rb2 Ra1 21. Rb1 Ra2 22. Rb2 Ra3 23. bxc5 bxc5 24. Rb7 Ra2 25. Qg4 Nf6 26. Qg6 e4 27. Bxh6 Rf7 28. Rfb1 Ra8 29. Bf1 Nc2 30. Bd2 Nd4 31. Ng4 Nxg4 32. Qxg4 Qf8 33. Be3 Re8 34. Qxe4 Bg5 35. Rxf7 Qxf7 36. Qd3 Bxe3 37. fxe3 Nf5 38. e4 Nd4 39. Re1 Qf4 40. Qe3 Qh4 41. g3 Qf6 42. Rb1 Qe5 43. Bg2 Nf5 44. Qf4 Qd4+ 45. Qf2 Qd3 46. Rf1 Nh6 47. g4 Re5 48. Qf8+ Kh7 49. Qxd6 Qe3+ 50. Kh1 Qg3 51. Qxc5 Qd3 52. Qd6 Qg3 53. c5 Qc3 54. c6 Re8 55. Qf4 Ng8 56. Qf5+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.2"] [White "Guarin Fonseca, Nobel Alfredo"] [Black "Caballero Marrugo, David Jose"] [Result "0-1"] [WhiteElo "1773"] [BlackElo "1837"] [PlyCount "88"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Nc3 a6 5. Nf3 b5 6. Bd3 Bb7 7. Qd2 Nd7 8. a4 b4 9. Ne2 a5 10. c3 bxc3 11. Nxc3 Ngf6 12. d5 Ng4 13. Bd4 Nge5 14. Nxe5 Nxe5 15. Bb5+ Kf8 16. f4 c5 17. dxc6 Nxc6 18. Bxg7+ Kxg7 19. Nd5 f6 20. O-O e6 21. Nc3 Qb6+ 22. Kh1 Nd4 23. Qf2 e5 24. Rad1 Rhf8 25. Ne2 Bxe4 26. Nxd4 exd4 27. Rxd4 Bb7 28. f5 Rac8 29. Re1 Rf7 30. fxg6 hxg6 31. Be8 Rfc7 32. h3 Rc1 33. Rxc1 Rxc1+ 34. Kh2 d5 35. Qe3 Qc7+ 36. g3 Rc2+ 37. Rd2 Qe5 38. Qd3 Rxd2+ 39. Qxd2 Qxe8 40. Qf4 d4 41. Qc7+ Qf7 42. Qd6 d3 43. h4 d2 44. Kg1 Bd5 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.3"] [White "Molina Ballesteros, Juan Sebastian"] [Black "Munoz Triana, Joseph Steve"] [Result "0-1"] [WhiteElo "1805"] [BlackElo "1888"] [PlyCount "96"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Be7 7. Bg2 h5 8. h3 Nc6 9. O-O g5 10. Be3 d6 11. Qd2 f6 12. Rad1 Nh6 13. f4 gxf4 14. gxf4 Nf7 15. f5 Nxd4 16. Bxd4 Ne5 17. b3 Bd7 18. Ne2 exf5 19. exf5 Rg8 20. Nf4 Bxf5 21. Nd5 Qxc2 22. Bxe5 dxe5 23. Qxc2 Bxc2 24. Nc7+ Kf7 25. Rd2 Be4 26. Nxa8 Bxg2 27. Rxg2 Rxa8 28. Rf5 Rh8 29. Kf1 Ke6 30. Rff2 f5 31. Rg6+ Bf6 32. Rc2 f4 33. Rc7 Kf5 34. Rg2 f3 35. Rgc2 b6 36. R2c6 Rf8 37. Rc8 Rxc8 38. Rxc8 e4 39. Kf2 Bd4+ 40. Kg3 h4+ 41. Kxh4 e3 42. Kg3 e2 43. Rf8+ Kg6 44. Re8 f2 45. Re6+ Kf5 46. Rxe2 f1=Q 47. Rc2 Qe1+ 48. Kh2 Qg1# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.4"] [White "Claro Molinares, Samuel David"] [Black "Diaz Larrea, Juan Manuel"] [Result "0-1"] [WhiteElo "1638"] [BlackElo "1819"] [PlyCount "98"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Nf3 c5 5. c3 Qc7 6. Bg3 Nd7 7. Nbd2 Ngf6 8. Bd3 O-O 9. Qe2 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bxe5 Qxe5 13. Nf3 Qe7 14. h3 b6 15. O-O Bb7 16. Rad1 Rfe8 17. Rfe1 Rad8 18. Bb5 Rf8 19. a4 c4 20. Nd4 Qc5 21. b4 Qc7 22. a5 bxa5 23. bxa5 a6 24. Ba4 Qxa5 25. Bc6 Qc7 26. Bxb7 Qxb7 27. Rb1 Qc7 28. Ra1 Rd6 29. Ra3 Ne4 30. Qh5 Qb7 31. Rea1 Rb6 32. f3 Rb1+ 33. Rxb1 Qxb1+ 34. Kh2 Qb8+ 35. f4 Qd6 36. Nc2 Rb8 37. Qd1 Rb2 38. Qa1 Rb6 39. Nd4 g6 40. Ra5 Nc5 41. Qd1 Nb3 42. Nxb3 cxb3 43. Rxd5 Qf6 44. Rd8+ Kg7 45. Qd7 b2 46. Rc8 b1=Q 47. Qe8 Qd6 48. Qh8+ Kh6 49. Rg8 Qf6 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.5"] [White "Hernandez Serrano, Cristhian Daniel"] [Black "Sarmiento, Juan Diego"] [Result "0-1"] [WhiteElo "1849"] [BlackElo "1489"] [PlyCount "90"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Qc2 Nbd7 7. Nf3 O-O 8. O-O c5 9. cxd5 exd5 10. Nc3 h6 11. Rfe1 cxd4 12. Nxd4 Nc5 13. Rad1 Bg4 14. Bf4 Ne6 15. Be5 Nxd4 16. Bxd4 Qc7 17. Qb3 Be6 18. Nxd5 Nxd5 19. Bxd5 Bxd5 20. Qxd5 Bb4 21. Rc1 Rad8 22. Rxc7 Rxd5 23. Bc3 Bxc3 24. bxc3 Ra5 25. Rxb7 Rxa2 26. Rd1 Rc2 27. Rc7 a5 28. Ra1 Ra8 29. e3 a4 30. Rc4 a3 31. h4 a2 32. g4 Rb8 33. Rb4 Rxb4 34. cxb4 Rb2 35. Kg2 Kf8 36. Kf3 Ke7 37. e4 Kd6 38. Ke3 Kc6 39. f4 Kb5 40. e5 Kxb4 41. f5 Ka3 42. e6 fxe6 43. fxe6 Rb1 44. Kf2 Rxa1 45. e7 Re1 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.6"] [White "Giraldo Guevara, Juan Diego"] [Black "Pabon Arevalo, Emmanuel Alejandro"] [Result "1-0"] [WhiteElo "1583"] [BlackElo "1717"] [PlyCount "85"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 d6 7. c3 Be7 8. O-O O-O 9. Nbd2 h6 10. Re1 Bg4 11. Nf1 Na5 12. Bc2 c5 13. h3 Be6 14. a4 Qc7 15. Bd2 Rfd8 16. Rc1 Rdb8 17. b4 Nc6 18. a5 d5 19. bxc5 Bxc5 20. d4 Bd6 21. dxe5 Nxe5 22. Nxe5 Bxe5 23. exd5 Bxd5 24. Qe2 Re8 25. Ne3 Bc6 26. c4 Qb7 27. cxb5 Bxg2 28. Nxg2 Bh2+ 29. Kxh2 Rxe2 30. Rxe2 Qxb5 31. Rce1 Rc8 32. Re5 Qb8 33. Bf5 Rd8 34. Bf4 Qb4 35. Bg3 g6 36. Bb1 Kf8 37. Bf4 g5 38. Be3 Qb8 39. Bc5+ Kg7 40. f4 Rd2 41. fxg5 Nd7 42. gxh6+ Kf6 43. Be7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.7"] [White "Luna Velandia, Juan Sebastian"] [Black "Garces Suaza, Carlos Daniel"] [Result "1/2-1/2"] [WhiteElo "1473"] [BlackElo "1704"] [PlyCount "62"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. d4 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 e6 10. Bf4 Be7 11. h3 Bxf3 12. Qxf3 Qd5 13. Qxd5 Nxd5 14. Bg3 Rd8 15. O-O O-O 16. Rad1 Bf6 17. Bc2 g6 18. Rd3 Kg7 19. Rfd1 b5 20. a3 Rd7 21. b4 Nb6 22. Bb3 Rfd8 23. f4 Be7 24. Kf2 Ra8 25. Ke2 a5 26. Bf2 a4 27. Ba2 Nd5 28. Bxd5 cxd5 29. g4 Rc8 30. Rf3 f5 31. g5 Rdc7 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.8"] [White "Chaparro Velandia, Joan Sebastian"] [Black "Cifuentes Camacho, Miguel Angel"] [Result "0-1"] [BlackElo "1644"] [PlyCount "73"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. e3 Nf6 3. Bd3 Bg4 4. Nf3 Nbd7 5. Be2 e6 6. Nbd2 Bd6 7. h3 Bf5 8. c4 c6 9. Nh4 Be4 10. Nhf3 O-O 11. Nxe4 Nxe4 12. c5 Bc7 13. Bd2 e5 14. O-O Re8 15. Bc3 Nxc3 16. bxc3 e4 17. Nd2 b5 18. f4 exf3 19. Rxf3 Qg5 20. Nf1 Nf6 21. Bd3 Reb8 22. Rf5 Qh6 23. Qf3 Re8 24. g4 Ne4 25. Bxe4 dxe4 26. Qg2 Qe6 27. Nd2 g6 28. Rf2 Ba5 29. Rc1 Kh8 30. Nb3 Bc7 31. Rcf1 f5 32. gxf5 gxf5 33. Rxf5 Rg8 34. Rg5 Rxg5 35. Qxg5 Rg8 36. Rf8 Rxf8 37. Qg7+ 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.9"] [White "Vargas Villalobos, Daniel Fernando"] [Black "Perez Latorre, Juan Sebastian"] [Result "0-1"] [ECO "A00"] [WhiteElo "1581"] [BlackElo "1408"] [PlyCount "48"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Bd6 5. b3 c6 6. Bb2 Nbd7 7. d3 O-O 8. Nbd2 e5 9. e3 Nc5 10. Qe2 Bf5 11. e4 Nxd3+ 12. Qxd3 dxe4 13. Qe2 exf3 14. Bxf3 Bb4 15. O-O-O Qe7 16. Qxe5 Qxe5 17. Bxe5 Nd7 18. Bd4 Rfe8 19. Kb2 Rad8 20. a3 Bc5 21. Bc3 Ne5 22. Bxe5 Rxe5 23. Ne4 Rxd1 24. Rxd1 Bxe4 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.10"] [White "Cuartas Lozano, Santiago"] [Black "Gonzalez Bolivar, Juan Jose"] [Result "0-1"] [ECO "C45"] [WhiteElo "1413"] [BlackElo "1544"] [PlyCount "46"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Qe2 d6 7. Nc3 Be6 8. Be3 Ne5 9. f4 Bc4 10. Qf3 Nxf3+ 11. gxf3 Bxf1 12. Bxb6 axb6 13. Rxf1 c6 14. O-O-O Ne7 15. Rf2 b5 16. Nd4 b4 17. Nb1 Rxa2 18. e5 d5 19. f5 Nxf5 20. f4 Nxd4 21. Rxd4 Qb6 22. Rdd2 Ra1 23. c3 bxc3 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.11"] [White "Carrero, Oscar David"] [Black "Silva Barajas, Jose Alejandro"] [Result "1-0"] [ECO "A00"] [WhiteElo "1740"] [PlyCount "79"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. d4 d5 2. c4 c6 3. Nf3 Bg4 4. Bf4 e6 5. h3 Bxf3 6. exf3 Bd6 7. Bxd6 Qxd6 8. c5 Qd8 9. Qb3 b6 10. Bd3 Nf6 11. O-O O-O 12. Nd2 Nbd7 13. Rac1 b5 14. Rfe1 Qa5 15. Qc2 Rfe8 16. g4 Nf8 17. f4 Qc7 18. f5 exf5 19. Bxf5 g6 20. Bd3 Qc8 21. Rxe8 Qxe8 22. Nf3 N8d7 23. Re1 Qc8 24. Re7 Kf8 25. Qe2 Qd8 26. Re3 a6 27. Ne5 Qc8 28. f4 Kg7 29. f5 Qc7 30. fxg6 hxg6 31. a3 Rb8 32. b4 Ra8 33. Bxg6 fxg6 34. Nxd7 Nxd7 35. Re7+ Kf8 36. Kg2 Qd8 37. Re6 Qc8 38. Qf2+ Kg7 39. Re7+ Kh6 40. Qh4# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.12"] [White "Hurtado Paez, Andres Jesus"] [Black "Moreno Hernandez, Andres Mauricio"] [Result "1-0"] [ECO "A00"] [WhiteElo "1590"] [BlackElo "1470"] [PlyCount "61"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c3 Nf6 5. Nf3 Nc6 6. Bf4 e6 7. Bd3 Bd6 8. Bg3 Bxg3 9. hxg3 Qc7 10. Qe2 h6 11. Nbd2 Bd7 12. Ne5 Nxe5 13. dxe5 Ng8 14. Nf3 Ne7 15. O-O O-O 16. Rfe1 Rac8 17. g4 Ng6 18. Bxg6 fxg6 19. g5 h5 20. Nd4 Rf7 21. Qc2 Kh7 22. Re3 Rcf8 23. Rh3 Rxf2 24. Rxh5+ Kg8 25. Qxg6 R8f7 26. Qh7+ Kf8 27. g6 R7f4 28. Qh8+ Ke7 29. Qxg7+ Kd8 30. Rh8+ Be8 31. Nxe6+ 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.13"] [White "Hernandez Guarin, Samuel Andres"] [Black "Becker Newmark, Jeronimo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1554"] [BlackElo "1572"] [PlyCount "96"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 c6 6. Bd3 Bg4 7. h3 Bh5 8. Qe2+ Qe7 9. Qxe7+ Nxe7 10. g4 Bg6 11. Ne5 f6 12. Nxg6 Nxg6 13. Ne2 Kf7 14. Bd2 Re8 15. O-O-O Nd7 16. f4 Re7 17. h4 Rae8 18. h5 Ngf8 19. Ng3 g6 20. hxg6+ hxg6 21. Rh3 b5 22. Nf1 Ne6 23. f5 gxf5 24. Bxf5 Nxd4 25. Bxd7 Ne2+ 26. Kb1 Rxd7 27. Rh7+ Ke6 28. Rh3 Rg7 29. Re1 Kd7 30. Rf3 Re6 31. Ne3 Nd4 32. Rf2 Bg3 33. Ref1 Bxf2 34. Rxf2 Rge7 35. c3 Rxe3 36. Bxe3 Rxe3 37. cxd4 Ke6 38. Kc1 Re4 39. Rc2 Kd6 40. Rf2 Ke7 41. Rc2 Rxg4 42. Rxc6 Rxd4 43. Rc7+ Ke6 44. Rxa7 f5 45. Kc2 f4 46. Ra8 Kf5 47. Kc3 Re4 48. Rd8 f3 1/2-1/2 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.14"] [White "Pilonieta Forero, Andres Felipe"] [Black "Ortega Rueda, Nicolas"] [Result "1-0"] [ECO "C89"] [WhiteElo "1514"] [BlackElo "1246"] [PlyCount "93"] [EventDate "2023.05.11"] [EventRounds "7"] [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. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Re4 h6 16. Rh4 Qe6 17. Bf4 Bxf4 18. Rxf4 Qd6 19. Re4 Bf5 20. Re5 Ne7 21. Nd2 Kh8 22. Qe2 Rae8 23. Re1 Nd5 24. Rxe8 Nf6 25. Rxf8+ Qxf8 26. Qe7 Kg8 27. Nf3 Be4 28. Qxf8+ Kxf8 29. Ne5 Bd5 30. c4 bxc4 31. Bxc4 Be6 32. Ng6+ Kg8 33. Bxe6 fxe6 34. Ne7+ Kf7 35. Nxc6 Ne8 36. Nd8+ Ke7 37. Nxe6 Kf7 38. d5 Nd6 39. Nd8+ Kf8 40. Re6 Ne8 41. d6 Nf6 42. Re7 Nd5 43. Ne6+ Kg8 44. Rxg7+ Kh8 45. d7 Nf6 46. d8=N Ng8 47. Nf7# 1-0 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.15"] [White "Carvajal Barreto, Gian Lucas"] [Black "Negron Lizarazo, Juan Sebastian"] [Result "0-1"] [ECO "B34"] [WhiteElo "1069"] [BlackElo "1587"] [PlyCount "104"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nxc6 bxc6 7. Bd2 d6 8. Be2 e6 9. O-O Ne7 10. Re1 O-O 11. Rb1 d5 12. exd5 exd5 13. b3 Be6 14. Bg5 Bxc3 15. Rf1 Qd7 16. Qd3 Bg7 17. b4 a6 18. a4 Rab8 19. Qxa6 Ra8 20. Qb6 Rfb8 21. Qc5 Nf5 22. Bf4 Bd4 23. Qxd4 Nxd4 24. Bxb8 Nxe2+ 25. Kh1 Rxb8 26. Rfe1 Nc3 27. Rb2 Nxa4 28. Rbb1 Bf5 29. Rec1 Qd6 30. Rb3 Rxb4 31. Rxb4 Qxb4 32. h3 Qb2 33. Re1 Qc3 34. Re8+ Kg7 35. Kh2 Qd4 36. f3 Qf4+ 37. Kg1 Qg3 38. Kf1 Bxc2 39. Kg1 Bf5 40. Kf1 Nc5 41. Re3 Nd3 42. Re2 Nf4 43. Rd2 Bd3+ 44. Kg1 Qe1+ 45. Kh2 Qxd2 46. Kg3 h6 47. h4 c5 48. Kg4 Qxg2+ 49. Kxf4 f6 50. Ke3 Qe2+ 51. Kf4 Qe5+ 52. Kg4 Bf5# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.16"] [White "Sanchez Fonseca, Alejandro"] [Black "Dulcey Buitrago, John Jairo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1228"] [BlackElo "1586"] [PlyCount "80"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. Nc3 cxd4 7. Nxd4 Nxe5 8. Bxd7+ Nxd7 9. O-O Ngf6 10. Bg5 a6 11. Re1 Be7 12. Nf3 Ng4 13. Qd4 Ndf6 14. h3 h6 15. Bxf6 Nxf6 16. Ne5 O-O 17. Ng4 Nxg4 18. Qxg4 Bc5 19. Na4 Ba7 20. Rad1 Qf6 21. Rd2 b5 22. Nc3 Rad8 23. Qg3 Bb6 24. a3 Rc8 25. b3 Rxc3 26. Qd6 Bc7 27. Qxa6 Rxh3 28. gxh3 Qg5+ 29. Kf1 Qxd2 30. Qc6 Rc8 31. Qxb5 Bd8 32. Qe8+ Kh7 33. Qxf7 Bh4 34. Re2 Qd1+ 35. Re1 Qxc2 36. Qf4 Qd3+ 37. Re2 Qxh3+ 38. Ke1 Qh1+ 39. Kd2 Qc1+ 40. Kd3 Qc3# 0-1 [Event "Campeonato Nacional de Ajedrez Sub18 Abs"] [Site "Liga Santandereana de Ajedrez "] [Date "2023.05.14"] [Round "6.17"] [White "Gualdron Pulido, Deyson Yesid"] [Black "Gomez Gomez, Elvis Naid"] [Result "0-1"] [ECO "A00"] [BlackElo "1548"] [PlyCount "110"] [EventDate "2023.05.11"] [EventRounds "7"] [EventCountry "COL"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. d3 d6 5. Be3 Nd4 6. Bxd4 exd4 7. Nd5 c6 8. b4 cxd5 9. bxc5 dxc5 10. Qe2 dxe4 11. Qxe4+ Be6 12. g3 Nf6 13. Qe2 O-O 14. Bg2 Bg4 15. O-O Qd5 16. h3 Rfe8 17. Qd1 Bxf3 18. Bxf3 Qd7 19. Rb1 Rab8 20. Bg2 Nd5 21. Bxd5 Qxd5 22. Re1 b6 23. Re4 Rxe4 24. dxe4 Qxe4 25. f3 Qd5 26. Qe2 h6 27. a4 Qd7 28. g4 Qxa4 29. h4 Re8 30. Qf2 Qa3 31. g5 Qe3 32. gxh6 Qxf2+ 33. Kxf2 gxh6 34. f4 f5 35. Ra1 a5 36. Rg1+ Kf7 37. h5 Re6 38. Kf3 a4 39. Ra1 b5 40. Kf2 Ke7 41. Rg1 a3 42. Rg7+ Kd8 43. Rg8+ Kc7 44. Rg7+ Kb6 45. Rg6 Rc6 46. Ke2 c4 47. Kd2 Kc5 48. Kc1 d3 49. c3 a2 50. Kb2 d2 51. Rg1 Re6 52. Kxa2 Re1 53. Rg8 d1=Q 54. Rc8+ Kb6 55. Ka3 Qb3# 0-1