[Event "Havana Giraldilla op"]
[White "Nunez Espinosa, Ervin"]
[Black "Dieguez Vidal, Jan Carlos"]
[Site "Havana"]
[Round "9"]
[Result "0-1"]
[Date "2024.08.17"]
[ECO "A21"]
[WhiteElo "1560"]
[BlackElo "1556"]
[PlyCount "82"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Nc3 Bb4 4. Bg2 Bxc3 5. bxc3 0-0 6. d4 d6 7. Ba3 Re8 8. e3 c6 9. Rb1 Qa5 10. Rb3 exd4 11. Qxd4 Rd8 12. Ne2 Be6 13. Qd2 Bxc4 14. Bb4 Qb5 15. Rb1 a5 16. Nd4 Qb6 17. Bf1 Bxf1 18. Kxf1 axb4 19. Rxb4 Qa6+ 20. Ne2 Qxa2 21. Qxa2 Rxa2 22. Rxb7 Ne4 23. Rb4 Ra1+ 24. Kg2 Rxh1 25. Kxh1 Nxf2+ 26. Kg2 Nd3 27. Rb3 g6 28. Rb6 c5 29. Nf4 Nxf4+ 30. exf4 d5 31. Kf2 d4 32. cxd4 cxd4 33. Ke2 d3+ 34. Kd2 Kg7 35. Rb3 Nc6 36. Rxd3 Rxd3+ 37. Kxd3 Kf6 38. Ke4 h6 39. h4 g5 40. hxg5+ hxg5 41. f5 Ne5 0-1

[Event "Havana Giraldilla op"]
[White "Gutierrez Marcillan, Eros"]
[Black "Nunez Espinosa, Ervin"]
[Site "Havana"]
[Round "8"]
[Result "1-0"]
[Date "2024.08.16"]
[ECO "B07"]
[WhiteElo "1611"]
[BlackElo "1560"]
[PlyCount "91"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Ng4 6. Bf4 e5 7. dxe5 Nxe5 8. 0-0-0 Be6 9. h4 h5 10. g3 Nbc6 11. Nh3 Nc4 12. Bxc4 Bxc4 13. Ng5 f6 14. Nf3 Be6 15. Nd4 Nxd4 16. Qxd4 0-0 17. Qe3 Kh7 18. Nb5 Qd7 19. Nd4 Bf7 20. Nf3 Rae8 21. Qd3 Qc6 22. Nd2 d5 23. exd5 Qxd5 24. Qxd5 Bxd5 25. Rhe1 c5 26. Nb3 Bf3 27. Rxe8 Rxe8 28. Rg1 c4 29. Nd4 Bd5 30. Nb5 Re7 31. Nxa7 Bh6 32. Bxh6 Kxh6 33. Nb5 Bc6 34. Nd4 Bd5 35. Kd2 Re5 36. Re1 Rf5 37. Nxf5+ gxf5 38. Kc3 f4 39. gxf4 Kg6 40. Kd4 Bc6 41. Kxc4 Kf5 42. b4 Kxf4 43. b5 Be4 44. Rxe4+ Kxe4 45. a4 Kf4 46. a5 1-0

[Event "Havana Giraldilla op"]
[White "Basulto Casanova, Laura"]
[Black "Nunez Espinosa, Ervin"]
[Site "Havana"]
[Round "7"]
[Result "0-1"]
[Date "2024.08.15"]
[ECO "B09"]
[WhiteElo "1425"]
[BlackElo "1560"]
[PlyCount "126"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 dxe5 7. fxe5 Nd5 8. Nxd5 Qxd5 9. Be2 Nc6 10. 0-0 b6 11. Be3 Bb7 12. Qe1 f6 13. Qh4 Nb4 14. c4 Qe4 15. Qxe4 Bxe4 16. Bd2 Nd3 17. Bxd3 Bxd3 18. Rfc1 c5 19. e6 f5 20. Bc3 Bxc4 21. dxc5 Bxc3 22. Rxc3 Bxe6 23. cxb6 axb6 24. Rc6 Bd5 25. Rxb6 Rxa2 26. Rd1 e6 27. Ng5 Re8 28. Rd3 h6 29. Nf3 Kf7 30. Ne5+ Kg7 31. h4 Re7 32. Rg3 g5 33. hxg5 hxg5 34. b4 Kf6 35. Nf3 g4 36. Nd4 Rb7 37. Rxb7 Bxb7 38. b5 Rb2 39. Kf1 e5 40. Ne2 Rxb5 41. Rd3 Rd5 42. Rc3 Rd6 43. Rc7 Ba6 44. Kf2 Bxe2 45. Kxe2 f4 46. Kf2 Kf5 47. Rc2 g3+ 48. Ke2 e4 49. Rc8 Ra6 50. Rf8+ Rf6 51. Rg8 Ke5 52. Rd8 f3+ 53. gxf3 exf3+ 54. Kf1 Rd6 55. Rxd6 Kxd6 56. Kg1 Ke5 57. Kh1 Ke4 58. Kg1 Ke3 59. Kf1 g2+ 60. Kg1 Ke2 61. Kh2 f2 62. Kxg2 f1Q+ 63. Kh2 Qf5 0-1

[Event "Havana Giraldilla op"]
[White "Nunez Espinosa, Ervin"]
[Black "Hernandez Balboa, Jimmy"]
[Site "Havana"]
[Round "6"]
[Result "0-1"]
[Date "2024.08.15"]
[ECO "A17"]
[WhiteElo "1560"]
[BlackElo "1690"]
[PlyCount "94"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Nc3 d5 4. cxd5 exd5 5. Bg2 c6 6. d4 Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bg2 Be6 11. Ne2 Bd5 12. f3 Qb6 13. 0-0 Be7 14. Re1 0-0 15. Nf4 Rfe8 16. Nxd5 Nxd5 17. f4 Rad8 18. Be3 Bf6 19. Bxd5 Rxd5 20. Qb3 Qxb3 21. axb3 a6 22. Rad1 Red8 23. Rd2 Kf8 24. Red1 Be7 25. Kf2 c5 26. Ke2 cxd4 27. Rxd4 Rxd4 28. Rxd4 Rxd4 29. Bxd4 g6 30. Kd3 Ke8 31. Kc4 Kd7 32. b4 b5+ 33. Kd5 Bxb4 34. Bc3 Bxc3 35. bxc3 a5 36. Kc5 a4 37. Kb4 Kc6 38. c4 bxc4 39. Kxc4 a3 40. Kb3 Kd5 41. Kxa3 Ke4 42. Kb4 Kf3 43. Kc4 Kg2 44. Kd5 Kxh2 45. g4 Kg3 46. f5 Kxg4 47. f6 Kf5 0-1

[Event "Havana Giraldilla op"]
[White "Nunez Espinosa, Ervin"]
[Black "Alpizar Gonzalez, Nestor"]
[Site "Havana"]
[Round "5"]
[Result "0-1"]
[Date "2024.08.14"]
[ECO "A22"]
[WhiteElo "1560"]
[BlackElo "1654"]
[PlyCount "110"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 c6 6. Nf3 f6 7. d4 Bb4 8. Bd2 exd4 9. Nxd5 Bxd2+ 10. Nxd2 cxd5 11. Nb3 Nc6 12. 0-0 0-0 13. Nxd4 Ne7 14. Qb3 Kh8 15. Rfd1 Qb6 16. Qe3 Ng6 17. Bxd5 Bh3 18. Ne6 Qxe3 19. fxe3 Bxe6 20. Bxe6 Ne5 21. Bd5 Rab8 22. Rac1 h5 23. Rc7 Rfd8 24. Rd4 Nc6 25. Bxc6 Rxd4 26. exd4 bxc6 27. Rxc6 Rxb2 28. Ra6 Rxe2 29. Rxa7 Rd2 30. Ra4 Kh7 31. h4 Kg6 32. Kf1 Kf5 33. Ke1 Rg2 34. Ra5+ Ke4 35. d5 Rxg3 36. Kd2 Rd3+ 37. Ke2 Rxd5 38. Rxd5 Kxd5 39. Kf3 g5 40. hxg5 fxg5 41. a4 Kc4 42. a5 Kb5 43. a6 g4+ 44. Kg3 Kxa6 45. Kf4 Kb5 46. Kg3 Kc4 47. Kf4 Kd4 48. Kg3 Ke3 49. Kg2 h4 50. Kh2 g3+ 51. Kg2 Ke2 52. Kh1 h3 53. Kg1 g2 54. Kh2 Kf2 55. Kxh3 g1Q 0-1

[Event "Havana Giraldilla op"]
[White "Davila Rodriguez, Nataly"]
[Black "Nunez Espinosa, Ervin"]
[Site "Havana"]
[Round "4"]
[Result "0-1"]
[Date "2024.08.13"]
[ECO "B08"]
[BlackElo "1560"]
[PlyCount "116"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bf4 0-0 6. Bc4 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 Nc6 10. c3 Re8 11. d5 Na5 12. b4 Nc4 13. 0-0 e5 14. Bc1 Nd6 15. Re1 f5 16. Bg5 Qd7 17. Bc2 e4 18. Nd4 Qf7 19. f3 b5 20. Qc1 Qxd5 21. Bh6 Bf6 22. Bb3 Nc4 23. Nc2 Bxc3 24. Ne3 Qe5 25. Nxc4 bxc4 26. Bxc4+ Be6 27. Bxe6+ Rxe6 28. Bf4 Qd4+ 29. Be3 Qxb4 30. Rb1 Qa5 31. Rd1 Rd6 32. Rxd6 cxd6 33. Rb3 Be5 34. Bd2 Qc5+ 35. Be3 Qxc1+ 36. Bxc1 Bd4+ 37. Be3 Bxe3+ 38. Rxe3 d5 39. fxe4 fxe4 40. Re1 Kf7 41. Kf2 Ke6 42. h4 Rf8+ 43. Ke2 Rf4 44. g3 Rf3 45. Rc1 Rxg3 46. a4 Rh3 47. a5 Rh2+ 48. Ke3 Ra2 49. Rc6+ Kf5 50. a6 h5 51. Kd4 Ra4+ 52. Kxd5 e3 53. Kc5 e2 54. Kb5 Re4 55. Rc5+ Re5 56. Rxe5+ Kxe5 57. Kc6 e1Q 58. Kb7 Qe3 0-1

[Event "Havana Giraldilla op"]
[White "Nunez Espinosa, Ervin"]
[Black "Gomez Herrera, Marcelo"]
[Site "Havana"]
[Round "3"]
[Result "1-0"]
[Date "2024.08.13"]
[ECO "A29"]
[WhiteElo "1560"]
[BlackElo "1447"]
[PlyCount "79"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. e3 Be7 8. 0-0 0-0 9. d4 exd4 10. Nxd4 Nxd4 11. exd4 c6 12. Qd3 Be6 13. b3 Bf6 14. Ba3 Re8 15. Rfd1 Qd7 16. d5 cxd5 17. Rac1 Bf5 18. Qb5 Bxc3 19. Qxd7 Bxd7 20. Rxc3 Bc6 21. Bc5 Rac8 22. Bxb6 axb6 23. Bxd5 Bxd5 24. Rxc8 Rxc8 25. Rxd5 f6 26. Rd7 Rb8 27. Kf1 Kf8 28. b4 b5 29. Ke2 Re8+ 30. Kd3 Re7 31. Rd5 Kf7 32. Rxb5 Ke6 33. Kc4 Rc7+ 34. Rc5 Kd6 35. Rxc7 Kxc7 36. Kb5 h5 37. a4 Kb8 38. a5 Ka7 39. Kc5 Ka6 40. f4 1-0

[Event "Havana Giraldilla op"]
[White "Martinez Herrera, Alexis"]
[Black "Nunez Espinosa, Ervin"]
[Site "Havana"]
[Round "2"]
[Result "1-0"]
[Date "2024.08.12"]
[ECO "B07"]
[WhiteElo "1799"]
[BlackElo "1560"]
[PlyCount "83"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 Nf6 3. c3 Nxe4 4. Bxf7+ Kxf7 5. Qh5+ g6 6. Qd5+ e6 7. Qxe4 Bg7 8. Nf3 Rf8 9. d4 Kg8 10. 0-0 Nc6 11. d5 Ne5 12. Nbd2 b5 13. Nxe5 Bxe5 14. f4 Bf6 15. dxe6 Rb8 16. Qd5 Qe7 17. Re1 Bb7 18. Qb3 Kh8 19. Ne4 a6 20. Nxf6 Rxf6 21. c4 Rxe6 22. Bd2 h5 23. cxb5 Rxe1+ 24. Rxe1 Qd7 25. bxa6 Qc6 26. Qc3+ Qxc3 27. Bxc3+ Kh7 28. Re7+ Kg8 29. Rg7+ Kf8 30. axb7 Rxb7 31. Rxg6 Kf7 32. Rh6 Ke7 33. Rxh5 Ke6 34. f5+ Kf7 35. Rh7+ Kg8 36. Rg7+ Kf8 37. f6 Rb5 38. Rxc7 Rf5 39. Rd7 d5 40. Bb4+ Ke8 41. Re7+ Kf8 42. Re5+ 1-0

[Event "Havana Giraldilla op"]
[White "Nunez Espinosa, Ervin"]
[Black "Valdes Rosell, Jenifer De la Cari"]
[Site "Havana"]
[Round "1"]
[Result "0-1"]
[Date "2024.08.12"]
[ECO "A29"]
[WhiteElo "1560"]
[BlackElo "1847"]
[PlyCount "86"]
[EventDate "2024.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d4 exd4 8. Nxd4 Nxd4 9. e3 Ne6 10. Qc2 g6 11. 0-0 Bg7 12. Rd1 Qe7 13. b3 0-0 14. a4 Rd8 15. Bb2 c6 16. a5 Nd7 17. a6 Ndc5 18. Ba3 Qf6 19. Ne4 Nxe4 20. Bxe4 Ng5 21. Bb2 Qe7 22. Rxd8+ Qxd8 23. Rd1 Qe7 24. Bg2 Bf5 25. Qc1 Be4 26. f3 Bxf3 27. Ba3 Qc7 28. axb7 Qxb7 29. Bxf3 Nxf3+ 30. Kg2 Ng5 31. h4 c5+ 32. Kh2 Nf3+ 33. Kh3 Qxb3 34. Bxc5 Rc8 35. Rf1 Qd5 36. Qa3 Nd2 37. Rd1 Qf5+ 38. Kg2 Qf3+ 39. Kh3 Qxd1 40. Qxa7 Qh1+ 41. Kg4 h5+ 42. Kg5 Qd5+ 43. Kf4 Qf5# 0-1

