[Event "Round 1: Flores Manuel - Granados Fidel"] [Site "https://lichess.org/study/w1St"] [Date "2022.03.05"] [Round "?"] [White "Flores Manuel"] [Black "Granados Fidel"] [Result "1/2-1/2"] [ECO "E01"] [PlyCount "79"] [EventDate "2022.??.??"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 O-O 7. e3 b6 8. Ne2 Bb7 9. O-O Nbd7 10. Rc1 c5 11. Nf4 Rb8 12. Qa4 dxc4 13. Nxc4 b5 14. Qa5 Bxg2 15. Kxg2 bxc4 16. Qxa7 Rxb2 17. Rxc4 Ng4 18. Kg1 e5 19. Nd3 Rd2 20. Nxc5 Nxc5 21. dxc5 Qd5 22. Rxg4 Rxa2 23. Qe7 Rc2 24. Qf6 g6 25. h4 Rxc5 26. h5 Rc6 27. Qg5 Rfc8 28. e4 Qd7 29. Rh4 f6 30. Qg4 Qxg4 31. Rxg4 g5 32. h6 Kf7 33. f4 Kg6 34. fxg5 fxg5 35. Rf5 Rc1+ 36. Kf2 R8c2+ 37. Ke3 Rc3+ 38. Kd2 R1c2+ 39. Kd1 Rc1+ 40. Kd2 1/2-1/2 [Event "Round 1: Norlan Miguel Gaitan Rivas - Ro"] [Site "https://lichess.org/study/w1St"] [Date "2022.03.05"] [Round "?"] [White "Norlan Miguel Gaitan Rivas"] [Black "Rodolfo Izaba"] [Result "0-1"] [ECO "C86"] [Annotator "AI Gerardo Avellán"] [PlyCount "112"] [EventDate "2022.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 {[#] Las blancas se decantan por el ataque Worrall o variante inglesa.} b5 7. Bb3 d6 ({Una variante más es emprendedora, que recuerda el ataque Marschall es} 7... d5 { que solía jugar el GM Nigel Short.}) 8. c3 Bg4 9. h3 Bxf3 10. Qxf3 O-O 11. a4 Na5 12. Bc2 c5 13. axb5 axb5 14. b3 Qc7 ({Si} 14... b4 15. d3 Nc6 16. Ra4 Qd7 17. Be3 $15) 15. Na3 Qb7 16. Qe2 Nc6 17. Bb2 Ra5 18. Rfb1 Rfa8 19. Bd3 { Las blancas están jugando bien frente a un adversario más fuerte.} b4 20. Nb5 (20. Nc4 Rxa1 21. Rxa1 Rxa1+ 22. Bxa1 bxc3 23. dxc3 Qxb3 24. Qc2 Qxc2 25. Bxc2 $15) 20... Rxa1 21. Rxa1 Rxa1+ 22. Bxa1 Qa8 23. Qd1 Qa2 24. Nc7 Na5 25. Bc2 c4 {Hasta esta jugada, las blancas han jugado bien, pero es difícil que mantenga la igualdad.} 26. Nd5 $2 {[#]} (26. cxb4 Nxb3 27. Bc3 Qa7 28. Nb5 Qa4 29. Qe2 Nc1 30. Qd1 Nb3 31. Nc7 Qa7 32. Nd5 $11) 26... Nxd5 27. exd5 Nxb3 28. Bxb3 cxb3 29. Qc1 ({Las negras pudieron jugar} 29. cxb4 {pero su situación siguiría siendo crítica.}) 29... Qc2 30. Bb2 Bg5 31. Qa1 {[#] Las blancas buscan contrajuego y ahora amenazan mate en a8.} h6 {pero las negras se dan cuenta y adelantan este peón para que su rey pueda escapar.} 32. cxb4 Qxd2 33. b5 e4 ({ Era mejor} 33... Qxd5) 34. Bxg7 e3 35. fxe3 Bxe3+ 36. Kh1 Qa2 37. Bh8 Qxa1+ 38. Bxa1 f5 ({Más fuerte era} 38... Kf8 39. g3 Ke7 40. Bb2 Kd7 41. Kg2 $19) 39. g3 f4 40. gxf4 Bxf4 41. b6 $1 {[#] La última esperanza de las blancas.} Be3 { Todo hace indicar que el desenlace será el de unas tablas. Tras los cambios de todos los peones, las negras no tendrán material para ganar.} 42. b7 Ba7 43. Bd4 Bb8 44. Kg2 (44. h4 h5 $11) 44... Kf7 45. Kf3 Ke7 46. Kg4 Kd7 47. Kh5 Kc7 48. Kxh6 Kxb7 49. Kg6 Ba7 50. Bb2 Bf2 51. Kf6 Kb6 52. Ke7 Kc5 53. Ke6 Kc4 54. Kxd6 Bd4 55. Ba3 $4 {[#] Las tablas se desvanecen. Las blancas no se dieron cuenta de que hacían la única jugada perdedora.} (55. Bc1 Be3 56. Bb2 Bd4 57. Bc1) 55... Bc5+ 56. Kc6 Bxa3 0-1 [Event "Round 1: Abraham Hernandez Tellez - Rene"] [Site "https://lichess.org/study/w1St"] [Date "2022.03.05"] [Round "?"] [White "Abraham Hernandez Tellez"] [Black "Rene Ozmar Pilarte"] [Result "0-1"] [ECO "C02"] [PlyCount "66"] [EventDate "2022.??.??"] 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. Be2 Nh6 7. Bxh6 Qxb2 8. Nbd2 gxh6 9. Qc1 Qxc1+ 10. Rxc1 Bd7 11. O-O c4 12. Rb1 Rb8 13. Rfe1 b5 14. Nf1 a5 15. a4 bxa4 16. Rxb8+ Nxb8 17. Ra1 Be7 18. Ng3 a3 19. Bd1 Nc6 20. Nh5 O-O 21. Nf6+ Bxf6 22. exf6 Rb8 23. Bc2 Rb2 24. Ne1 a2 25. Kf1 e5 26. Ba4 exd4 27. cxd4 Kf8 28. g3 Ke8 29. Nc2 Rb1+ 30. Kg2 Rxa1 31. Nxa1 Nxd4 32. Bd1 a4 33. f4 Nb3 0-1 [Event "Round 1: Amor Simplina - Natanael Vanega"] [Site "https://lichess.org/study/w1St"] [Date "2022.03.05"] [Round "?"] [White "Amor Simplina"] [Black "Natanael Vanegas"] [Result "1/2-1/2"] [ECO "D05"] [PlyCount "69"] [EventDate "2022.??.??"] 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. b3 Bd6 6. Bb2 O-O 7. Nbd2 Qe7 8. a3 Nc6 9. Ne5 Qc7 10. f4 cxd4 11. exd4 Nd7 12. O-O f5 13. c4 Nf6 14. Rc1 Qe7 15. b4 Bxe5 16. dxe5 Ne4 17. Nf3 Bd7 18. cxd5 exd5 19. b5 Na5 20. Qa4 b6 21. Qb4 Qxb4 22. axb4 Nc4 23. Bxc4 dxc4 24. Nd4 Rac8 25. Rf3 Rfe8 26. Re3 Nd6 27. Ra3 Nxb5 28. Nxb5 Bxb5 29. Rxa7 Re6 30. Bc3 Kf8 31. Rd1 Re7 32. Ra2 Rd7 33. Rxd7 Bxd7 34. Ra7 Ke7 35. b5 1/2-1/2 [Event "Round 1: Josue Arevalo - Yanko Berrios"] [Site "https://lichess.org/study/w1St"] [Date "2022.03.05"] [Round "?"] [White "Josue Arevalo"] [Black "Yanko Berrios"] [Result "1-0"] [ECO "A28"] [PlyCount "71"] [EventDate "2022.??.??"] 1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. e4 Bc5 5. Be2 d6 6. O-O a6 7. d3 h6 8. Be3 Bxe3 9. fxe3 O-O 10. a3 Ne7 11. Nh4 c6 12. Nf5 Nxf5 13. exf5 d5 14. cxd5 cxd5 15. d4 e4 16. Qb3 Qd6 17. a4 Rb8 18. Rac1 Bd7 19. a5 b5 20. Na2 Rfc8 21. Qb4 Qxb4 22. Nxb4 Rxc1 23. Rxc1 Ra8 24. g4 Rc8 25. Rc5 Kf8 26. h3 Rxc5 27. dxc5 Ke7 28. Nxa6 Kd8 29. Nb4 Kc7 30. a6 Be8 31. Kf2 g6 32. fxg6 fxg6 33. h4 Bd7 34. Kg3 g5 35. hxg5 hxg5 36. a7 1-0 [Event "Round 2: Granados Fidel - Yanko Berrios"] [Site "https://lichess.org/study/pV40"] [Date "2022.03.06"] [Round "?"] [White "Granados Fidel"] [Black "Yanko Berrios"] [Result "1-0"] [ECO "C44"] [PlyCount "61"] [EventDate "2022.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 d6 6. Nxc6 bxc6 7. e5 dxe5 8. Qh5 g6 9. Qxe5 Nf6 10. Bh6 Qd6 11. Qe2 Be6 12. Nd2 Bxc4 13. Nxc4 Qe6 14. Qxe6 fxe6 15. Ne5 c5 16. O-O-O Bd6 17. Bg7 Ke7 18. Nc6+ Kf7 19. Bxh8 Rxh8 20. Rd3 a6 21. Rb3 Ne4 22. g3 c4 23. Rb7 Nc5 24. Ra7 e5 25. Re1 Kf6 26. Nb4 Ne6 27. Nd5+ Kg5 28. f4+ Kf5 29. Ne3+ Kf6 30. fxe5+ Bxe5 31. Ng4+ 1-0 [Event "Round 2: Natanael Vanegas - Josue Areval"] [Site "https://lichess.org/study/pV40"] [Date "2022.03.06"] [Round "?"] [White "Natanael Vanegas"] [Black "Josue Arevalo"] [Result "0-1"] [ECO "E32"] [PlyCount "100"] [EventDate "2022.??.??"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Qa5 7. Bd2 Na6 8. e4 Qxc5 9. Bd3 d6 10. a3 Bxc3 11. Bxc3 e5 12. b4 Qc7 13. O-O Bg4 14. Nh4 Rac8 15. Rac1 Be6 16. Qb2 Nd7 17. Nf5 Nb6 18. c5 Na4 19. Qa1 Bxf5 20. exf5 Nxc3 21. Bxa6 bxa6 22. Rxc3 a5 23. Rd1 Rfd8 24. Rcd3 dxc5 25. Rxd8+ Rxd8 26. Rxd8+ Qxd8 27. bxc5 Kf8 28. h3 Qc7 29. Qd1 h5 30. Qd5 h4 31. c6 Ke7 32. Qc5+ Kf6 33. Kf1 Kxf5 34. Qd5 Kf6 35. Ke2 Ke7 36. Qc5+ Ke6 37. Kd3 Qd6+ 38. Kc4 Qxc5+ 39. Kxc5 a4 40. f3 f6 41. c7 Kd7 42. c8=Q+ Kxc8 43. Kd6 Kb7 44. Kc5 Kc7 45. Kd5 Kb6 46. f4 exf4 47. Ke4 Kc5 48. Kxf4 Kc4 49. Kg4 Kb3 50. Kxh4 Kxa3 0-1 [Event "Round 2: Rene Ozmar Pilarte - Amor Simpl"] [Site "https://lichess.org/study/pV40"] [Date "2022.03.06"] [Round "?"] [White "Rene Ozmar Pilarte"] [Black "Amor Simplina"] [Result "0-1"] [ECO "D78"] [PlyCount "72"] [EventDate "2022.??.??"] 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 c6 6. d4 O-O 7. b3 Re8 8. Bb2 Bf5 9. Nc3 Na6 10. Nd2 Qd7 11. a3 Bh3 12. Re1 Bxg2 13. Kxg2 Rad8 14. e3 h5 15. h3 c5 16. dxc5 Nxc5 17. Qc2 dxc4 18. Nxc4 Nd3 19. Red1 Qc6+ 20. Kg1 Nxb2 21. Rxd8 Rxd8 22. Nxb2 Rc8 23. Rc1 Ne4 24. Nxe4 Qxc2 25. Rxc2 Rxc2 26. Nc4 f5 27. Ng5 Bf6 28. Ne6 Rc3 29. Nf4 Kf7 30. Nd2 e5 31. Nd5 Rd3 32. Nxf6 Kxf6 33. Nc4 Rxb3 34. Kf1 b5 35. Nd6 a6 36. Ne8+ Kf7 0-1 [Event "Round 2: Rodolfo Izaba - Abraham Hernand"] [Site "https://lichess.org/study/pV40"] [Date "2022.03.06"] [Round "?"] [White "Rodolfo Izaba"] [Black "Abraham Hernandez Tellez"] [Result "1-0"] [ECO "C65"] [PlyCount "37"] [EventDate "2022.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O a6 6. Bxc6 bxc6 7. Nxe5 d6 8. Nxc6 Qd7 9. d4 Qxc6 10. dxc5 Qxc5 11. Nc3 O-O 12. Be3 Qc6 13. f3 a5 14. Bd4 Ba6 15. Bxf6 Bxf1 16. Nd5 Kh8 17. Qd4 Qc5 18. Bxg7+ Kg8 19. Ne7# 1-0 [Event "Round 2: Flores Manuel - Norlan Miguel G"] [Site "https://lichess.org/study/pV40"] [Date "2022.03.06"] [Round "?"] [White "Flores Manuel"] [Black "Norlan Miguel Gaitan Rivas"] [Result "1-0"] [ECO "D10"] [PlyCount "84"] [EventDate "2022.??.??"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 e6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 Nc6 9. f4 O-O 10. Rc1 Rd8 11. Nh3 b6 12. O-O Bb7 13. g4 g6 14. Nf2 Qe7 15. g5 Nh5 16. Be2 Ng7 17. Ng4 Nf5 18. Nf6+ Kg7 19. Rf3 Rh8 20. Bd3 h6 21. Bxf5 gxf5 22. Nh5+ Kf8 23. Rg3 hxg5 24. Rxg5 Ke8 25. Qa4 Kd7 26. Kf2 Qb4 27. Qc2 Rh6 28. Rcg1 Rah8 29. Qe2 Qe7 30. R1g2 R8h7 31. Kg1 a6 32. a3 Kc7 33. b4 a5 34. b5 Nd8 35. Ng3 Qxa3 36. Qc2 Kd7 37. Na4 Qd6 38. Rg8 Rg6 39. Nxf5 Rxg2+ 40. Rxg2 Qc7 41. Qd3 Qc1+ 42. Kf2 Rh8 1-0 [Event "Round 3: Norlan Miguel Gaitan Rivas - Gr"] [Site "https://lichess.org/study/3RiP"] [Date "2022.03.06"] [Round "?"] [White "Norlan Miguel Gaitan Rivas"] [Black "Granados Fidel"] [Result "0-1"] [ECO "B27"] [PlyCount "88"] [EventDate "2022.??.??"] 1. e4 c5 2. Nf3 g6 3. g3 d6 4. Bg2 Nc6 5. O-O Bg7 6. c3 Bg4 7. Qb3 Qc8 8. Ng5 Ne5 9. f4 c4 10. Qb5+ Nd7 11. d4 a6 12. Qa4 b5 13. Qc2 h6 14. Nh3 Nb6 15. Nf2 Bd7 16. e5 Bf5 17. Qe2 d5 18. g4 Be6 19. b3 h5 20. g5 Bf5 21. bxc4 bxc4 22. a4 Bxb1 23. Rxb1 Nxa4 24. Qc2 Qc6 25. Bxd5 Qxd5 26. Qxa4+ Qd7 27. Qxc4 h4 28. h3 e6 29. Ba3 Bf8 30. Bxf8 Kxf8 31. Ne4 Kg7 32. Rb6 Rc8 33. Qxa6 Qd5 34. Qxc8 Qxe4 35. Rb2 Qe3+ 36. Rff2 Ne7 37. Qb7 Nd5 38. c4 Qc1+ 39. Kh2 Qxc4 40. Qa7 Qc1 41. Qc5 Qe3 42. Rbe2 Qg3+ 43. Kh1 Qxh3+ 44. Rh2 Qf1# 0-1 [Event "Round 3: Abraham Hernandez Tellez - Flor"] [Site "https://lichess.org/study/3RiP"] [Date "2022.03.06"] [Round "?"] [White "Abraham Hernandez Tellez"] [Black "Flores Manuel"] [Result "0-1"] [ECO "B31"] [PlyCount "101"] [EventDate "2022.??.??"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e6 6. d3 Nge7 7. Bg5 h6 8. Be3 b6 9. d4 cxd4 10. Nxd4 Bb7 11. f3 O-O 12. Re1 Qc7 13. Nd2 e5 14. Nxc6 dxc6 15. Be2 Rad8 16. Qc1 Kh7 17. Nf1 f5 18. Rd1 c5 19. exf5 Nxf5 20. Bd3 Nh4 21. Qc2 Qf7 22. Be4 Nf5 23. Bxb7 Qxb7 24. Rxd8 Rxd8 25. Rd1 Nd6 26. Ng3 Qe7 27. Ne4 Nxe4 28. Rxd8 Qxd8 29. Qxe4 Qd1+ 30. Kf2 Qa1 31. b4 Qxa2+ 32. Kg3 cxb4 33. cxb4 Qe2 34. h4 Qe1+ 35. Kh3 h5 36. Bg5 Qxe4 37. fxe4 a5 38. bxa5 bxa5 39. Be7 Kg8 40. g4 Bf8 41. Bf6 Bd6 42. Bg5 Kf7 43. Bd2 a4 44. Bc3 Ke6 45. gxh5 gxh5 46. Kg3 a3 47. Kf3 Bc5 48. Ke2 Bd4 49. Kd2 a2 50. Bxd4 exd4 51. Kc2 0-1 [Event "Round 3: Amor Simplina - Rodolfo Izaba"] [Site "https://lichess.org/study/3RiP"] [Date "2022.03.06"] [Round "?"] [White "Amor Simplina"] [Black "Rodolfo Izaba"] [Result "1-0"] [ECO "A47"] [PlyCount "85"] [EventDate "2022.??.??"] 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O c5 6. c4 cxd4 7. Nxd4 Bxg2 8. Kxg2 Qc8 9. b3 Nc6 10. Bb2 Nxd4 11. Qxd4 Qc6+ 12. f3 h5 13. e4 h4 14. Nd2 Bb4 15. Rad1 hxg3 16. hxg3 d6 17. a3 e5 18. Qd3 Bxd2 19. Rxd2 O-O-O 20. Rdd1 g5 21. Bc1 Rhg8 22. g4 Rg7 23. Rh1 Ne8 24. Rh8 f6 25. Be3 Rgd7 26. Rf8 Rh7 27. a4 Kd7 28. Rh1 Rxh1 29. Kxh1 Ke7 30. Rh8 Rd7 31. Qd2 Kd8 32. Kg2 Re7 33. Qb4 Kc7 34. a5 Kb7 35. Rf8 Ka6 36. axb6 axb6 37. Qa3+ Kb7 38. Rh8 Rf7 39. Kf2 Nc7 40. Ke2 Ne8 41. Rh1 Kc8 42. Qa6+ Rb7 43. Qa8+ 1-0 [Event "Round 3: Josue Arevalo - Rene Ozmar Pila"] [Site "https://lichess.org/study/3RiP"] [Date "2022.03.06"] [Round "?"] [White "Josue Arevalo"] [Black "Rene Ozmar Pilarte"] [Result "1-0"] [ECO "C02"] [PlyCount "57"] [EventDate "2022.??.??"] 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Nc3 Nf5 9. Na4 Qa5+ 10. Kf1 h5 11. a3 a6 12. b4 Qc7 13. Bg5 Be7 14. Bxe7 Kxe7 15. Rc1 b6 16. Nc3 Bb7 17. a4 Qd7 18. Na2 f6 19. Qd2 Nd8 20. b5 a5 21. g3 Nf7 22. Bd3 fxe5 23. Bxf5 e4 24. Nh4 exf5 25. Ng6+ Kf6 26. Nxh8 Rxh8 27. Qf4 g5 28. Qc7 Rd8 29. h4 1-0 [Event "Round 3: Yanko Berrios - Natanael Vanega"] [Site "https://lichess.org/study/3RiP"] [Date "2022.03.06"] [Round "?"] [White "Yanko Berrios"] [Black "Natanael Vanegas"] [Result "1/2-1/2"] [ECO "C53"] [PlyCount "52"] [EventDate "2022.??.??"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O d5 7. exd5 Nxd5 8. h3 Nb6 9. Bb3 Bf5 10. Bc2 a5 11. Be3 Qe7 12. Qe2 Rfe8 13. Nbd2 Nd5 14. Rac1 Bd6 15. Rfe1 Qd7 16. Qf1 h6 17. a3 Rad8 18. Ne4 Bxe4 19. dxe4 Nf4 20. Rcd1 Qe6 21. Ba4 Qf6 22. Bxf4 Qxf4 23. Bxc6 bxc6 24. Qa6 Rb8 25. Qxc6 Red8 26. b4 Rb6 1/2-1/2