[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.31"]
[Round "9"]
[White "Castillo Coca, Mairebys"]
[Black "Bregadze, Levan"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2043"]
[BlackElo "2435"]
[PlyCount "52"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Nbd2 d5 5. b3 Nc6 6. Bb2 Bd6 7. Bd3 cxd4 8. exd4 0-0 9. 0-0 Qc7 10. a3 b6 11. Re1 Bb7 12. Ne5 Rac8 13. Qf3 Ne7 14. h4 Ne4 15. Rad1 f6 16. Nec4 Bh2+ 17. Kh1 f5 18. Ne5 Bxe5 19. dxe5 Ng6 20. h5 Nxe5 21. Bxe5 Qxe5 22. Kg1 Qf6 23. Qh3 e5 24. c4 Nc3 25. Rc1 e4 26. Bf1 d4 0-1

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.31"]
[Round "8"]
[White "Diaz Charpentier, Kristel Melissa"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "1990"]
[BlackElo "2043"]
[PlyCount "19"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nge2 c6 6. g3 Be7 7. Bg2 0-0 8. 0-0 Qc7 9. a3 Re8 10. Qc2 1/2-1/2

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.30"]
[Round "6"]
[White "Castillo Coca, Mairebys"]
[Black "Becerra Rivero, Julio"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2043"]
[BlackElo "2411"]
[PlyCount "64"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 Bg4 6. f3 Bd7 7. Qd2 e6 8. Nb5 Bxb5 9. Bxb5+ Nc6 10. c3 Be7 11. Ne2 0-0 12. Bd3 Nd7 13. Bc2 Re8 14. Qd3 Nf8 15. h4 Rc8 16. h5 a6 17. a4 Na5 18. b3 Nc6 19. Kf2 e5 20. dxe5 Bc5+ 21. Kg3 Nxe5 22. Qf5 Rc6 23. Bg5 Qd6 24. Bf4 Qd8 25. Bg5 Be7 26. Bf4 Rf6 27. Qh3 Bd6 28. Kf2 Qb6+ 29. Kf1 Nc4 30. bxc4 Bxf4 31. Bd3 Re3 32. Rd1 Rxd3 0-1

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.30"]
[Round "7"]
[White "Narayanan, Samrug"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2343"]
[BlackElo "2043"]
[PlyCount "71"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 a6 6. Ba4 e6 7. c3 Bc5 8. cxd4 Bxd4 9. Nc3 b5 10. Bc2 g6 11. Ne2 Bg7 12. d4 d6 13. a4 Bb7 14. Bd3 b4 15. a5 Nf6 16. f3 Rb8 17. Bd2 0-0 18. Ra4 b3 19. Rb4 Bc6 20. Qxb3 Rxb4 21. Qxb4 Qb8 22. Qxb8 Rxb8 23. b4 Bb7 24. Rb1 Rc8 25. b5 axb5 26. Bxb5 Ra8 27. Ra1 Ba6 28. Bxa6 Rxa6 29. Rb1 Kf8 30. Rb6 Ra8 31. Rxd6 Ke8 32. Nc1 Nd7 33. Nd3 Bf8 34. Rc6 Kd8 35. a6 Bg7 36. e5 1-0

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.29"]
[Round "4"]
[White "Castillo Coca, Mairebys"]
[Black "Chirilov, James A"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2043"]
[BlackElo "2082"]
[PlyCount "101"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 4. e3 Bg7 5. h4 h5 6. Nf3 0-0 7. Be2 c5 8. Nb5 Na6 9. c3 Bf5 10. Ne5 Nb8 11. dxc5 Nbd7 12. Nd4 Bg4 13. f3 Nxe5 14. Bxe5 Bd7 15. Qb3 Qc8 16. 0-0-0 Bh6 17. Bf4 Bxf4 18. exf4 Qxc5 19. g4 hxg4 20. fxg4 Nxg4 21. Rhg1 f5 22. Bf3 Kg7 23. h5 gxh5 24. Qxb7 Qd6 25. Kb1 Kh6 26. Qxd5 Qxd5 27. Bxd5 Ne3 28. Bxa8 Nxd1 29. Bf3 Nf2 30. Re1 Rf7 31. Bd5 Rg7 32. Be6 Nd3 33. Nxf5+ Kh7 34. Rh1 Bxe6 35. Rxh5+ Kg8 36. Nxg7 Kxg7 37. Ra5 Nxf4 38. Rxa7 Kf6 39. a4 Bf5+ 40. Kc1 Nd3+ 41. Kc2 e5 42. Ra8 e4 43. a5 Kg5 44. Rf8 Nc5 45. b4 Ne6 46. Rxf5+ Kxf5 47. a6 Nc7 48. a7 Ke5 49. Kd2 Na8 50. Ke2 Kd5 51. Ke3 1/2-1/2

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.29"]
[Round "5"]
[White "Nandhakumar, Vaseegaran"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2251"]
[BlackElo "2043"]
[PlyCount "113"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. 0-0 0-0 6. b3 c5 7. Bb2 Qc7 8. c4 a6 9. Nc3 cxd4 10. Nxd4 Nc6 11. Rc1 Bd7 12. Nd5 Qd8 13. Nxc6 Bxc6 14. Nxf6+ Bxf6 15. Bxf6 exf6 16. Bxc6 bxc6 17. Qd4 Qe7 18. e3 Rfd8 19. Qb6 Qe4 20. Rfd1 Kg7 21. Rd4 Qf3 22. Rf4 Qh5 23. Qxc6 Qc5 24. Qd5 Rac8 25. Rd1 a5 26. Rfd4 Qa3 27. R4d2 a4 28. Qa5 Ra8 29. Qc3 axb3 30. axb3 Rab8 31. Rd3 h5 32. e4 Qc5 33. Rf3 Qe5 34. Qxe5 fxe5 35. Rd5 Kf8 36. Rfd3 Ke7 37. c5 f6 38. cxd6+ Kd7 39. Kf1 Rdc8 40. Rf3 Rf8 41. Ke1 Rb4 42. Rxe5 Kxd6 43. Rd5+ Ke6 44. Re3 Rxe4 45. Rxe4+ Kxd5 46. Re3 Ra8 47. Ke2 Ra2+ 48. Kf3 Rb2 49. h3 g5 50. Rd3+ Ke5 51. Rc3 g4+ 52. hxg4 hxg4+ 53. Kxg4 Rxf2 54. Re3+ Kd4 55. Rf3 Rb2 56. Kf5 Rg2 57. g4 1-0

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.28"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Tang, Benjamin"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2043"]
[BlackElo "2324"]
[PlyCount "58"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 Bg4 6. Nf3 Nc6 7. Nb5 Rc8 8. c3 Qa5 9. h3 Bxf3 10. Qxf3 a6 11. b4 Qb6 12. Nc7+ Rxc7 13. Bxc7 Qxc7 14. b5 axb5 15. Bxb5 e6 16. 0-0 Bd6 17. Rfd1 0-0 18. Rab1 Na5 19. Bd3 Rc8 20. Rdc1 h6 21. g3 e5 22. Bf5 e4 23. Qd1 Ra8 24. Rb5 Nc4 25. Qb3 b6 26. Kg2 Ra3 27. Qc2 Bxg3 28. Qe2 Qf4 29. fxg3 Qxc1 0-1

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.28"]
[Round "3"]
[White "Jiang, Andrew"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2181"]
[BlackElo "2043"]
[PlyCount "55"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Nf3 h6 6. Be3 c6 7. Qd2 Qa5 8. h3 Nfd7 9. Bd3 b5 10. 0-0 b4 11. Ne2 c5 12. a3 Nc6 13. axb4 Qxb4 14. c3 Qb8 15. Rfc1 a5 16. Ng3 cxd4 17. cxd4 Nb4 18. Bc4 Nb6 19. Bb5+ Bd7 20. Bxd7+ Nxd7 21. Ra3 h5 22. Bf4 Qb5 23. Rc7 Nb6 24. Qc1 h4 25. Nf1 Nd3 26. Rxd3 Qxd3 27. Qc6+ Kf8 28. Qxa8+ 1-0

[Event "Charlotte Spring IMB 2024"]
[Site "Charlotte"]
[Date "2024.03.27"]
[Round "1"]
[White "Lima, Darcy Gustavo Macha"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2364"]
[BlackElo "2043"]
[PlyCount "105"]
[EventDate "2024.03.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Be7 4. Nf3 d6 5. 0-0 0-0 6. Nc3 c6 7. e4 Nbd7 8. d4 a6 9. h3 b5 10. c5 Bb7 11. cxd6 Bxd6 12. Be3 Re8 13. Qc2 Qc7 14. Rad1 Rac8 15. dxe5 Nxe5 16. Nh4 Nc4 17. Bd4 Be5 18. Bxe5 Qxe5 19. b3 Nb6 20. Nf5 Rcd8 21. f4 Qc5+ 22. Qf2 Qxf2+ 23. Kxf2 Nc8 24. e5 Nd5 25. Ne4 g6 26. Ne3 Nxe3 27. Nf6+ Kh8 28. Kxe3 Rf8 29. Nd7 Rfe8 30. Nc5 Ba8 31. Nxa6 Ne7 32. Be4 Bb7 33. Nc5 Bc8 34. g4 Kg7 35. a4 bxa4 36. bxa4 h5 37. Rxd8 Rxd8 38. f5 Nd5+ 39. Kf3 hxg4+ 40. hxg4 Nc3 41. f6+ Kh6 42. Rc1 Nxe4 43. Nxe4 Rd3+ 44. Kf4 g5+ 45. Nxg5 Rd4+ 46. Ke3 Rxa4 47. Nxf7+ Kg6 48. Nd6 Bd7 49. Rf1 Ra3+ 50. Kd4 Ra4+ 51. Kc5 Be6 52. f7 Bxf7 53. Nxf7 1-0

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.03"]
[Round "6"]
[White "Castillo Coca, Mairebys"]
[Black "Aadit, Bhatia"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2110"]
[BlackElo "2065"]
[PlyCount "100"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Ne7 6. Bg2 0-0 7. 0-0 Nd7 8. d4 exd4 9. Nxd4 Nf6 10. exd5 Bg4 11. f3 Nexd5 12. Nc4 Bc5 13. Kh1 Bh5 14. Nb3 Be7 15. Ne3 Bg6 16. Nd4 Re8 17. a3 Bf8 18. Nxd5 Qxd5 19. c3 Rad8 20. f4 Be4 21. Bxe4 Rxe4 22. Qf3 c5 23. Nc2 Re2 24. Qxd5 Rxd5 25. Ne3 Rh5 26. Ng2 Ng4 27. h4 Rd5 28. f5 Rd3 29. Bf4 Rxb2 30. Rab1 Rxb1 31. Rxb1 b6 32. Ne1 Rxc3 33. a4 Ra3 34. Kg2 Rxa4 35. Kf3 Nf6 36. Nc2 Rc4 37. Ne3 Rd4 38. Bb8 Rd7 39. Nc4 Rb7 40. Be5 b5 41. g4 Nd5 42. Ke4 Nb4 43. Nd6 Re7 44. Nc8 Re8 45. Nxa7 Bd6 46. Nxb5 Bxe5 47. Rd1 Bg3+ 48. Kf3 Bxh4 49. Rd7 Nc6 50. Rc7 Nd4+ 0-1

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.03"]
[Round "5"]
[White "Fong, Kevin"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1898"]
[BlackElo "2110"]
[PlyCount "125"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Na6 7. 0-0 Bg4 8. h3 Bxf3 9. Rxf3 c5 10. d5 Nc7 11. a4 Na6 12. Bc4 Nd7 13. a5 Rb8 14. Nb5 Ra8 15. c3 Nc7 16. Qe2 a6 17. Nxc7 Qxc7 18. Bd2 Rfb8 19. Be1 b5 20. axb6 Rxb6 21. Rxa6 Rbxa6 22. Bxa6 Qb6 23. Bc4 Ra1 24. Kh2 Rb1 25. b4 Qa7 26. Rf1 Qa1 27. bxc5 Nxc5 28. e5 Rb2 29. Qe3 Qa4 30. Be2 dxe5 31. Bf3 Qxf4+ 32. Qxf4 exf4 33. Rf2 Bxc3 34. Rxb2 Bxb2 35. Bd2 Be5 36. Kg1 Kg7 37. Kf1 f5 38. Bb4 Bd4 39. Ke2 Kf6 40. Ba5 e5 41. dxe6 Kxe6 42. Bc7 Be5 43. Bb6 Nd7 44. Bf2 g5 45. Kd3 Nf6 46. Bd1 Ne4 47. Bb6 Kf6 48. Bh5 Ng3 49. Bd8+ Ke6 50. Bd1 h6 51. Bb6 h5 52. Bb3+ Kf6 53. Bd8+ Kg6 54. Ba4 Ne4 55. Be8+ Kh6 56. Bc6 f3 57. gxf3 Nf2+ 58. Kc4 Nxh3 59. Kd5 Bb8 60. Ke6 g4 61. Kxf5 g3 62. f4 Nxf4 63. Bg5+ 1/2-1/2

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.02"]
[Round "4"]
[White "Castillo Coca, Mairebys"]
[Black "Mieles Palau, Daniel Alberto"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2110"]
[BlackElo "2369"]
[PlyCount "30"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 Bg4 6. Be2 e6 7. h3 Bh5 8. 0-0 Bb4 9. Bd2 c6 10. a3 Bxc3 11. Bxc3 Qc7 12. Bd2 Nbd7 13. c4 0-0 14. b4 Bxf3 15. Bxf3 e5 1/2-1/2

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.02"]
[Round "3"]
[White "Handigol, Abhishek"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1872"]
[BlackElo "2110"]
[PlyCount "73"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. h3 Bg7 5. Nf3 0-0 6. Be2 c5 7. 0-0 Qb6 8. Nbd2 Nbd7 9. a4 cxd4 10. Nc4 Qc7 11. exd4 Nd5 12. Bh2 N7f6 13. c3 Be6 14. Ng5 Bd7 15. Nd2 Qb6 16. Nc4 Qc6 17. Nd2 Bf5 18. Qb3 h6 19. Ngf3 g5 20. Rfe1 a6 21. Bf1 Rfe8 22. Rac1 Rab8 23. c4 Nf4 24. c5 Qd7 25. Bc4 e6 26. Bf1 dxc5 27. Rxc5 b6 28. Rcc1 b5 29. axb5 axb5 30. Rc5 b4 31. Nc4 Ne4 32. Ra5 Bxd4 33. Nxd4 Qxd4 34. Qe3 Red8 35. Bxf4 gxf4 36. Qxf4 Nd2 37. Nxd2 0-1

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.01"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Maheshwari, Vedant"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2110"]
[BlackElo "1781"]
[PlyCount "71"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 h6 6. Bg2 Nf6 7. 0-0 0-0 8. d4 dxe4 9. Nxe5 Bf5 10. Ndc4 b5 11. Ne3 Bh7 12. a4 Nfd7 13. Nxd7 Nxd7 14. d5 bxa4 15. dxc6 Nb6 16. Qd4 Be7 17. Rxa4 Qc7 18. Nd5 Nxd5 19. Qxd5 Rfd8 20. Qc4 Bg5 21. Bxg5 hxg5 22. Rb4 Rac8 23. Bh3 Rb8 24. Rxb8 Rxb8 25. Rd1 Bg6 26. Rd7 Qe5 27. c7 Rc8 28. Rd8+ Kh7 29. Rxc8 e3 30. f4 e2 31. Rh8+ Kxh8 32. c8Q+ Kh7 33. fxe5 e1Q+ 34. Qf1 Qe3+ 35. Qf2 Qc1+ 36. Bf1 1-0

[Event "Sunnyvale Summer op"]
[Site "Sunnyvale"]
[Date "2023.07.01"]
[Round "1"]
[White "Patel, Kian"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1709"]
[BlackElo "2110"]
[PlyCount "73"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. Nc3 c6 4. g3 e5 5. d3 Be7 6. Bg2 0-0 7. 0-0 a5 8. c5 Na6 9. cxd6 Bxd6 10. Bg5 h6 11. Bxf6 Qxf6 12. Ne4 Qe7 13. Nxd6 Qxd6 14. a3 Be6 15. Qc2 Nc5 16. Nd2 a4 17. Nc4 Qc7 18. Qc3 Nb3 19. Rad1 f6 20. Qb4 b5 21. Nd2 Nd4 22. Bf3 Bh3 23. Rfe1 Nc2 24. Qc3 Nxe1 25. Rxe1 Rac8 26. Rc1 Bd7 27. Ne4 Be6 28. Nc5 Ba2 29. Na6 Qd6 30. Bxc6 Bd5 31. Bxd5+ Qxd5 32. Qxc8 Rxc8 33. Rxc8+ Kh7 34. Nb4 Qb3 35. Rc2 Kg6 36. Kg2 h5 37. h3 1/2-1/2

[Event "Sunnyvale 1000 GM Bona op"]
[Site "Sunnyvale"]
[Date "2023.04.24"]
[Round "5"]
[White "Wong, Andrew Yun"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1933"]
[BlackElo "2110"]
[PlyCount "108"]
[EventDate "2023.04.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Be2 c6 6. a4 Qa5 7. h3 Nxe4 8. Nf3 Nd7 9. 0-0 Nxc3 10. bxc3 Nf6 11. c4 0-0 12. Bd2 Qc7 13. Qc1 Re8 14. Bh6 Bh8 15. Ra3 e5 16. dxe5 dxe5 17. Ng5 c5 18. Qe3 Bf5 19. Rc1 Rad8 20. g4 Bc8 21. Ne4 Nxe4 22. Qxe4 Bg7 23. Bxg7 Kxg7 24. g5 Qe7 25. Qh4 h5 26. gxh6+ Kh7 27. Qg3 Kxh6 28. Kf1 Qg5 29. Qxg5+ Kxg5 30. h4+ Kxh4 31. Rg3 g5 32. Kg2 g4 33. f3 Rd2 34. Rh1+ Kg5 35. Kf2 Kf4 36. Rhg1 f5 37. fxg4 fxg4 38. Rc3 e4 39. Ke1 Rd6 40. Rf1+ Ke5 41. Rg3 Rg8 42. Rf7 Ra6 43. Re7+ Kf4 44. Kf2 Rxa4 45. Rf7+ Bf5 46. Rxb7 e3+ 47. Rxe3 g3+ 48. Rxg3 Rxg3 49. Rb5 Be4 50. Rxc5 Rg2+ 51. Ke1 Ke3 52. Rf5 Ra1+ 53. Bd1 Rg1+ 54. Rf1 Rxd1+ 0-1

[Event "Sunnyvale 1000 GM Bona op"]
[Site "Sunnyvale"]
[Date "2023.04.23"]
[Round "4"]
[White "Arutla, Aditya"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1909"]
[BlackElo "2110"]
[PlyCount "54"]
[EventDate "2023.04.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 h6 6. f3 c6 7. 0-0-0 b5 8. Bd3 Qa5 9. a3 Nbd7 10. Nge2 Rb8 11. Kb1 Qc7 12. f4 Nb6 13. d5 Nc4 14. Bxc4 bxc4 15. Qd4 Qb7 16. Na4 0-0 17. Qxc4 cxd5 18. exd5 Bd7 19. Nec3 Rfc8 20. Qd3 Bf5 21. Qd4 Rxc3 22. Qxc3 Nxd5 23. Qd2 Nc3+ 24. Ka1 Nxa4 25. c3 Qb3 26. Rb1 Be6 27. c4 Qxa3# 0-1

[Event "Sunnyvale 1000 GM Bona op"]
[Site "Sunnyvale"]
[Date "2023.04.23"]
[Round "3"]
[White "Castillo Coca, Mairebys"]
[Black "Champsi, Imran"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2110"]
[BlackElo "1891"]
[PlyCount "117"]
[EventDate "2023.04.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. c3 a6 6. Bb3 d6 7. Nbd2 0-0 8. Nf1 h6 9. Ng3 Re8 10. 0-0 Ba7 11. Be3 Bxe3 12. fxe3 Be6 13. Bc2 d5 14. exd5 Nxd5 15. Qe1 Qe7 16. Qf2 Rad8 17. Rad1 Nf6 18. h3 Nh7 19. d4 Ng5 20. Nxg5 Qxg5 21. Ne4 Qe7 22. Qg3 Kh8 23. b3 Bd5 24. Rde1 Nb8 25. Qg4 Nd7 26. c4 Be6 27. Qh5 f5 28. Ng3 Nf6 29. Qg6 Bf7 30. Qxf5 exd4 31. exd4 Qxe1 32. Rxe1 Rxe1+ 33. Kh2 Re7 34. Qf4 c6 35. Nf5 Red7 36. Nxh6 Rxd4 37. Qg5 Bg8 38. Nf5 R4d7 39. Nxg7 Rxg7 40. Qxf6 Rdd7 41. Bf5 Rdf7 42. Qh6+ Bh7 43. g4 Kg8 44. Be6 Be4 45. Bxf7+ Rxf7 46. Qg5+ Rg7 47. Qd8+ Kh7 48. Kg3 b5 49. Qe8 Bg6 50. Qxc6 bxc4 51. Qxc4 Bf7 52. Qxa6 Rg6 53. Qb7 Kh8 54. Qxf7 Rxg4+ 55. Kf3 Rg3+ 56. Ke4 Re3+ 57. Kd4 Re4+ 58. Kc5 Re5+ 59. Qd5 1-0

[Event "Sunnyvale 1000 GM Bona op"]
[Site "Sunnyvale"]
[Date "2023.04.22"]
[Round "1"]
[White "Castillo Coca, Mairebys"]
[Black "Nanugonda, Vishva"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2110"]
[BlackElo "1928"]
[PlyCount "105"]
[EventDate "2023.04.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nf6 6. Nc3 0-0 7. d3 e5 8. Bg5 h6 9. Bxf6 Bxf6 10. Nd5 Bg7 11. c3 d6 12. Nd2 Be6 13. Nc4 Bxd5 14. exd5 Ne7 15. Qb3 Rb8 16. a4 f5 17. f4 exf4 18. gxf4 Kh7 19. Rae1 Rf6 20. Re2 g5 21. fxg5 hxg5 22. Ref2 Qd7 23. Qd1 Rbf8 24. Qh5+ Bh6 25. Ne3 Kg7 26. Ng4 fxg4 27. Rxf6 Rxf6 28. Rxf6 Kxf6 29. Qxh6+ Ng6 30. Be4 Qg7 31. Qh5 Ne5 32. Qe8 Qe7 33. Qh8+ Qg7 34. Qc8 Qd7 35. Qf8+ Nf7 36. b3 Qc7 37. Qg8 Qb6 38. Qg6+ Ke7 39. Qe6+ Kf8 40. Bg6 Ne5 41. Qf6+ Kg8 42. Bf5 Qc7 43. Qxg5+ Kf8 44. Qh6+ Ke8 45. Qh8+ Ke7 46. Bxg4 Nxg4 47. Qg7+ Kd8 48. Qxg4 Qb6 49. Qg8+ Kd7 50. Qe6+ Kc7 51. Qe7+ Kc8 52. Qe8+ Kc7 53. Qb5 1-0

[Event "Sunnyvale 1000 GM Bona op"]
[Site "Sunnyvale"]
[Date "2023.04.22"]
[Round "2"]
[White "Penagalapati, Abhinav"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2238"]
[BlackElo "2110"]
[PlyCount "82"]
[EventDate "2023.04.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 h6 6. h4 h5 7. Nf3 Na6 8. Bc4 c6 9. e5 dxe5 10. Nxe5 e6 11. Bxa6 bxa6 12. 0-0 Ng4 13. Nxc6 Qb6 14. d5 0-0 15. Rab1 Re8 16. Na4 Qb5 17. b3 Qxd5 18. Qxd5 exd5 19. Rbd1 Bd7 20. Nb4 Bb5 21. Rxd5 Bxf1 22. Kxf1 Rad8 23. c4 Bf8 24. Rxd8 Rxd8 25. Nd5 Bg7 26. Nc5 Bd4 27. b4 Kg7 28. Ne4 f6 29. Nc7 Kf7 30. Nd5 Be5 31. Bd2 Bb2 32. Ke2 Ne5 33. Ne3 Rd4 34. f3 Ke6 35. Nc5+ Kd6 36. Na4 Ba3 37. Nc2 Rxd2+ 38. Kxd2 Nxc4+ 39. Kd3 Nb2+ 40. Kd4 Nxa4 41. Nxa3 Kc6 1/2-1/2

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.25"]
[Round "9"]
[White "Castillo Coca, Mairebys"]
[Black "Sandoval Mercado, Carlos"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2119"]
[BlackElo "2247"]
[PlyCount "126"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 e5 6. Nge2 c6 7. d4 d6 8. 0-0 Re8 9. b4 e4 10. Rb1 Nbd7 11. a4 Nb6 12. c5 Nc4 13. cxd6 Nxd6 14. Nf4 Bg4 15. Qb3 g5 16. Nfe2 Bf3 17. Ba3 Ng4 18. h3 Qf6 19. Bxf3 exf3 20. hxg4 fxe2 21. Nxe2 Qf3 22. Qd1 Ne4 23. Rb3 Nd2 24. Nc1 Qxd1 25. Rxd1 Nxb3 26. Nxb3 Bf8 27. Na5 Rab8 28. Rc1 Rec8 29. Kg2 Kg7 30. Kf3 Rd8 31. Rc3 Rd7 32. Nb3 b6 33. Rxc6 a5 34. Rc4 b5 35. axb5 Rxb5 36. Nc5 Ra7 37. bxa5 Raxa5 38. Bb4 Ra2 39. Bc3 Rc2 40. d5+ Rxc3 41. Rxc3 Rxc5 42. Rd3 Bd6 43. Ke4 Kf6 44. f4 Rc4+ 45. Kf3 Ke7 46. e4 f6 47. Re3 Bc5 48. Rb3 Kd6 49. Rb7 Rc2 50. e5+ fxe5 51. Rxh7 Kxd5 52. Rd7+ Ke6 53. Rc7 Rc3+ 54. Ke2 exf4 55. gxf4 gxf4 56. Kd2 Rc4 57. Kd3 Rd4+ 58. Kc3 Bd6 59. Rh7 Rd1 60. g5 Be5+ 61. Kc2 Rg1 62. Rh5 f3 63. Rh6+ Kd5 0-1

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.25"]
[Round "8"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2342"]
[BlackElo "2119"]
[PlyCount "124"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nd7 5. Bg5 h6 6. Be3 e5 7. d5 Ne7 8. g4 h5 9. gxh5 Rxh5 10. Nge2 Bh6 11. Ng3 Rh4 12. Bxh6 Rxh6 13. Qd2 Ng8 14. 0-0-0 Qh4 15. Kb1 Qf4 16. Qc2 a6 17. Bg2 Ngf6 18. h4 Rxh4 19. Nce2 Qh6 20. Rxh4 Qxh4 21. Rh1 Qg5 22. Rh8+ Nf8 23. c5 N6h7 24. Qa4+ Ke7 25. Qa5 b6 26. cxd6+ cxd6 27. Qxb6 Bd7 28. Bh3 Bxh3 29. Qb7+ Kf6 30. Qxa8 Kg7 31. Rxh7+ Nxh7 32. Qxa6 Qf6 33. Qb6 Ng5 34. a4 Bg2 35. Nc3 Nf3 36. Qe3 Qd8 37. Nb5 Qd7 38. b3 f5 39. exf5 gxf5 40. Nxd6 f4 41. Nh5+ Kg6 42. Nxf4+ exf4 43. Qxf4 Ng5 44. Qe5 Qh3 45. Qe8+ Kg7 46. Qe7+ Kg6 47. Qe8+ Kg7 48. Qe5+ Kg6 49. Kb2 Qf3 50. Qe8+ Kg7 51. Qe7+ Kg6 52. Qe8+ Kg7 53. Qe5+ Kg6 54. Qe8+ Kg7 55. Qe7+ Kg6 56. Ne8 Qxf2+ 57. Ka3 Qd4 58. Qd6+ Kf7 59. Qd7+ Kg6 60. Qc6+ Kf5 61. Nc7 Be4 62. Qc1 Nf3 1/2-1/2

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.24"]
[Round "7"]
[White "Castillo Coca, Mairebys"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2119"]
[BlackElo "2503"]
[PlyCount "82"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Be7 5. Nbd2 b6 6. Bd3 cxd4 7. exd4 Bb7 8. h3 d6 9. a3 Nbd7 10. 0-0 0-0 11. Re1 Re8 12. Qe2 a6 13. Rad1 Nf8 14. Bh2 Ng6 15. Ne4 Qd7 16. Nfg5 Nxe4 17. Nxe4 Qc6 18. c4 e5 19. d5 Qd7 20. Qh5 f5 21. Nc3 Rf8 22. Bc2 Rac8 23. Qe2 Qc7 24. Bb3 Bf6 25. f3 Rce8 26. Qd3 Bh4 27. Re2 Bc8 28. Ba4 Re7 29. Bc6 e4 30. fxe4 f4 31. Na4 Ne5 32. Qb3 f3 33. gxf3 Nxf3+ 34. Kh1 Nxh2 35. Kxh2 Ref7 36. Qxb6 Qe7 37. Qd4 Rf3 38. Rg2 Bf6 39. Qd2 Be5+ 40. Kg1 Bxh3 41. Kh1 Qd8 0-1

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.24"]
[Round "6"]
[White "Gracia Alvarez, Gerardo Antonio"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2292"]
[BlackElo "2119"]
[PlyCount "113"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nf3 Nd7 5. Be2 c5 6. d5 Ngf6 7. Nc3 0-0 8. 0-0 a6 9. a4 Rb8 10. Re1 h6 11. h3 Kh7 12. Bf1 Ne5 13. Nxe5 dxe5 14. a5 Bd7 15. Be3 Qc7 16. Qb3 Rfc8 17. Qa3 e6 18. dxe6 fxe6 19. Red1 Bf8 20. Bd3 Be7 21. Bc2 Be8 22. Ba4 Bf7 23. Bc2 Rd8 24. Na4 Rd4 25. Bxd4 exd4 26. e5 Qxe5 27. Re1 Qc7 28. Nb6 Rf8 29. Re2 Nh5 30. g3 Ng7 31. Rae1 Bd6 32. Qd3 Re8 33. Qf3 Rf8 34. Qd3 Re8 35. Ba4 Re7 36. g4 Kg8 37. Qf3 Kh7 38. Nd5 Qd8 39. Nxe7 Qxe7 40. Re5 Qc7 41. Qf6 Kg8 42. Rxe6 Bxe6 43. Rxe6 Nxe6 44. Qxe6+ Kg7 45. Be8 g5 46. Qg6+ Kf8 47. Ba4 Bh2+ 48. Kg2 Qd6 49. Qh7 d3 50. Qxb7 Bf4 51. Kf3 Bc1 52. Qc8+ Ke7 53. Qe8+ Kf6 54. Qh8+ Ke7 55. Qe8+ Kf6 56. Qh8+ Ke7 57. Qe8+ 1/2-1/2

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.23"]
[Round "5"]
[White "Castillo Coca, Mairebys"]
[Black "Figueredo Losada, Leonel"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2119"]
[BlackElo "2346"]
[PlyCount "34"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. gxf3 d4 6. Ne2 g6 7. h4 h5 8. d3 c5 9. f4 Nc6 10. Ng3 Qc7 11. Bh3 Bh6 12. f5 Qe5 13. Bg5 Bxg5 14. hxg5 gxf5 15. Bxf5 e6 16. Nxh5 exf5 17. Nf6+ Qxf6 0-1

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.23"]
[Round "4"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2327"]
[BlackElo "2119"]
[PlyCount "92"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h4 h5 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 Nc6 8. Be3 Bg7 9. Qd2 Qd7 10. 0-0-0 Ng4 11. Bxg4 Qxg4 12. f3 Qd7 13. Kb1 a6 14. Ne2 d5 15. e5 0-0-0 16. Nf4 b6 17. e6 fxe6 18. Nxg6 Rhg8 19. Nf4 e5 20. dxe5 d4 21. Qe2 Qf5 22. g4 hxg4 23. fxg4 Qxe5 24. Qxa6+ Kb8 25. Bc1 Qd6 26. Nd3 e5 27. Rhe1 Qd5 28. Nf2 Qc5 29. a3 Rdf8 30. Ne4 Qd5 31. g5 Rh8 32. c4 Qe6 33. c5 Nd8 34. cxb6 cxb6 35. Rh1 Rf7 36. Qe2 Nc6 37. h5 Ra7 38. Qb5 Kc7 39. h6 Ra5 40. Qd3 Bf8 41. Bd2 Ra7 42. Rc1 Kb8 43. Qc4 Qxc4 44. Rc3 Ne7 45. Rxc4 Nd5 46. Rf1 Bc5 1-0

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.22"]
[Round "3"]
[White "Castillo Coca, Mairebys"]
[Black "Otero Acosta, Diasmany"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2119"]
[BlackElo "2370"]
[PlyCount "94"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 a6 6. Nge2 Ba7 7. b3 Nge7 8. Bb2 0-0 9. 0-0 Rb8 10. Rc1 b5 11. Nd5 bxc4 12. Nxe7+ Nxe7 13. Rxc4 d5 14. Rc1 Qd6 15. d4 e4 16. Qc2 Bb6 17. Nc3 Bd7 18. Na4 Bxa4 19. bxa4 a5 20. Qc3 Qd7 21. Ba3 f5 22. Rb1 Rf6 23. Rb5 Rd8 24. Qb3 Nc8 25. f3 Na7 26. fxe4 Nxb5 27. axb5 fxe4 28. Qb1 Rxf1+ 29. Qxf1 Qf7 30. Qe2 Qf5 31. h4 Rd7 32. g4 Qe6 33. Qf2 Rf7 34. Qg3 Qe8 35. g5 Qxb5 36. h5 Qb1+ 37. Kh2 Qxa2 38. g6 Rf2 39. gxh7+ Kh8 40. Be7 a4 41. Qg6 Rxg2+ 42. Qxg2 Qxg2+ 43. Kxg2 Kxh7 44. Kg3 c6 45. Bb4 Kh6 46. Kg4 Bd8 47. Ba3 Bf6 0-1

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.22"]
[Round "2"]
[White "Hernandez Jimenez, Alexander Andres"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2145"]
[BlackElo "2119"]
[PlyCount "62"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c5 7. Re1 cxd4 8. Nxd4 Nc6 9. Nb3 Bd7 10. Bf1 Rc8 11. Nd5 a5 12. a4 Ne5 13. Bd2 b6 14. Bc3 Bc6 15. Ba6 Ra8 16. Bb5 Bb7 17. Nxf6+ exf6 18. f4 Nc6 19. Nd4 Qc7 20. Nxc6 Bxc6 21. Bxc6 Qxc6 22. Qd4 Rfd8 23. Rad1 Ra7 24. Rd3 Rad7 25. Kf1 d5 26. e5 f5 27. b3 Qe6 28. Qe3 Rc8 29. Red1 Bf8 30. Bd4 Rc6 31. c3 Rdc7 1/2-1/2

[Event "Mexico City Fenamac-B 3rd"]
[Site "Mexico City"]
[Date "2021.07.21"]
[Round "1"]
[White "Castillo Coca, Mairebys"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2119"]
[BlackElo "2168"]
[PlyCount "215"]
[EventDate "2021.07.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[EventCategory "2"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 c6 6. Nf3 d5 7. cxd5 cxd5 8. 0-0 d4 9. Nb5 Nc6 10. Bg5 Qb6 11. Qa4 Bd7 12. Nbxd4 Nd5 13. Nxc6 Bxc6 14. Qh4 Qxb2 15. e4 Nc3 16. Bxe7 Rfe8 17. Kh1 h6 18. e5 Qe2 19. Rae1 Qxd3 20. Re3 Qd7 21. Bf6 Nd5 22. Bxg7 Kxg7 23. Ree1 Qe7 24. Qd4 Nc7 25. Rd1 Ne6 26. Qb2 Rad8 27. Rd6 Rxd6 28. exd6+ Qf6 29. Qa3 Rd8 30. Rd1 g5 31. Qe3 Nf8 32. Qd3 Kg8 33. h3 Ne6 34. Nh2 h5 35. Qe3 Qf5 36. g4 Bxg2+ 37. Kxg2 Nf4+ 38. Kg1 Qc2 39. Re1 Qc6 40. Nf3 Nxh3+ 41. Kh2 hxg4 42. Nxg5 Qxd6+ 43. Kg2 Nf4+ 44. Kg1 Ng6 45. Ne4 Qf4 46. Qxf4 Nxf4 47. Nf6+ Kg7 48. Nxg4 Ne6 49. Rb1 b6 50. Rb3 Rd5 51. Ne3 Ra5 52. Rb2 Kf6 53. Kf1 Nf4 54. Rd2 Rc5 55. f3 b5 56. Rd6+ Ne6 57. Ra6 Ke5 58. Rxa7 Kf4 59. Kf2 Ng5 60. Ng2+ Kf5 61. Ne3+ Kf4 62. Ng2+ Kf5 63. Ne1 Rd5 64. Ke3 Re5+ 65. Kd2 Rd5+ 66. Ke2 Re5+ 67. Kf1 Rd5 68. Ke2 Kf4 69. Nd3+ Kf5 70. f4 Ne4 71. Rxf7+ Ke6 72. Ra7 Kf5 73. Ke3 Nf6 74. Nf2 b4 75. Ra6 Rd8 76. Ra5+ Rd5 77. Ra6 Rd8 78. Ra5+ Rd5 79. Ra7 Rd8 80. Rf7 Ra8 81. Ne4 Ra3+ 82. Kd4 Kxf4 83. Rxf6+ Kg4 84. Rf2 b3 85. Rg2+ Kf4 86. Rf2+ Kg4 87. axb3 Rxb3 88. Nd2 Rb4+ 89. Ke3 Kg5 90. Ne4+ Kg6 91. Rf6+ Kg7 92. Rc6 Ra4 93. Kf4 Ra5 94. Nc5 Ra1 95. Ne6+ Kf7 96. Kf5 Ke7 97. Nd4 Ra5+ 98. Kg6 Kd7 99. Rf6 Kc7 100. Kf7 Re5 101. Rc6+ Kd7 102. Rc4 Re1 103. Nf5 Rd1 104. Kf6 Rd2 105. Ng3 Rd6+ 106. Kf5 Rd5+ 107. Ke4 Ra5 108. Rd4+ 1/2-1/2

[Event "Chihuahua Bionext op"]
[Site "Chihuahua City"]
[Date "2019.12.01"]
[Round "6"]
[White "Rascon Vega, Alfonso Carlos"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2077"]
[BlackElo "2134"]
[PlyCount "111"]
[EventDate "2019.11.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 Nc6 9. Be3 Qb4 10. 0-0 0-0 11. Rab1 Ng4 12. Nd5 Qa5 13. b4 Qd8 14. Bd2 e6 15. Ne3 Nxe3 16. Bxe3 d5 17. e5 a5 18. b5 Nb4 19. Bd4 Bd7 20. a4 Qe7 21. Qe3 Nxd3 22. cxd3 Rfc8 23. Rf2 Bf8 24. g4 Rc7 25. h4 Rac8 26. h5 Qa3 27. Rbf1 Rc2 28. hxg6 fxg6 29. f5 Rxf2 30. Kxf2 Rc2+ 31. Kg1 exf5 32. Ne1 Ra2 33. gxf5 Bxf5 34. Rxf5 gxf5 35. Qg5+ Kf7 36. Qxf5+ Ke8 37. Qc8+ Kf7 38. Qf5+ Ke8 39. Qh5+ Kd8 40. Bb6+ Kd7 41. Qf7+ Be7 42. Qxd5+ Ke8 43. e6 Rh2 44. Kxh2 Qd6+ 45. Qxd6 Bxd6+ 46. Kh3 Ke7 47. Bxa5 Kxe6 48. Kg4 Kd5 49. Bc3 Bc5 50. Nf3 Be3 51. Ng5 h6 52. Ne4 Bc1 53. Kf5 b6 54. Nf6+ Kd6 55. Bb4+ Kc7 56. d4 1-0

[Event "Chihuahua Bionext op"]
[Site "Chihuahua City"]
[Date "2019.11.30"]
[Round "5"]
[White "Castillo Coca, Mairebys"]
[Black "Cuenca Jimenez, Jose Fernando"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2134"]
[BlackElo "2523"]
[PlyCount "142"]
[EventDate "2019.11.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Bg3 0-0 8. Ne5 Ne7 9. Bd3 b6 10. f4 Bb7 11. Qf3 Nf5 12. Bf2 Be7 13. Qh3 Ne4 14. Rd1 f6 15. Nef3 Qc8 16. Bb1 c4 17. 0-0 b5 18. g4 Nfd6 19. a3 a5 20. Bg3 Ra6 21. f5 exf5 22. gxf5 Nxf5 23. Bf2 Nfd6 24. Qg2 Rb6 25. Be1 Nf5 26. Qe2 Re8 27. Nxe4 dxe4 28. Nd2 Nd6 29. Bg3 Bd5 30. Qh5 Qe6 31. Kh1 g6 32. Qe2 b4 33. axb4 axb4 34. Rf4 bxc3 35. bxc3 Rb2 36. Qe1 f5 37. Kg1 Nb5 38. Nf1 Ra8 39. Rf2 Rxf2 40. Kxf2 Ra3 41. Rc1 Rxc3 42. Rxc3 Bb4 43. Bc2 Nxc3 44. Qa1 Qb6 45. Be5 Qa5 46. Qxa5 Bxa5 47. Ng3 Nb5 48. Ba4 Nc3 49. Bc2 Bb4 50. h4 Nb5 51. Ne2 Na3 52. Ba4 c3 53. Nf4 Bf7 54. d5 c2 55. Bb2 Nc4 56. Bc1 Ba3 57. Ne2 Bxc1 58. Nxc1 Na3 59. d6 Kf8 60. Kg3 Nc4 61. d7 Ke7 62. Kf4 Nb6 63. Bxc2 Nd5+ 64. Kg5 Nxe3 65. Ba4 Be6 66. Kf4 Ng2+ 67. Kg3 Ne1 68. Kf4 Nd3+ 69. Nxd3 exd3 70. Ke3 Bxd7 71. Bd1 Bb5 0-1

[Event "Chihuahua Bionext op"]
[Site "Chihuahua City"]
[Date "2019.11.30"]
[Round "4"]
[White "Castillo Coca, Mairebys"]
[Black "Martinez Castaneda, Allan"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2134"]
[BlackElo "2045"]
[PlyCount "167"]
[EventDate "2019.11.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. d3 Nc6 4. Nbd2 d5 5. c3 g6 6. e5 Ng4 7. d4 Bg7 8. h3 Nh6 9. dxc5 Nxe5 10. Nxe5 Bxe5 11. Nf3 Bg7 12. Bb5+ Bd7 13. Be2 Bc6 14. Nd4 0-0 15. Nxc6 bxc6 16. Qa4 Qc7 17. 0-0 e5 18. Qa6 Rfe8 19. Bd2 Bf8 20. b4 Nf5 21. Rae1 h5 22. Bd1 e4 23. Bb3 Re6 24. Qa3 Rd8 25. Qc1 Bg7 26. Bf4 Be5 27. Bxe5 Qxe5 28. Qg5 Rd7 29. Qc1 Kg7 30. a4 g5 31. Bd1 Rh6 32. Qxg5+ Rg6 33. Qxh5 Qf6 34. b5 Rg5 35. Qe2 Qxc3 36. f4 exf3 37. Rxf3 Qxc5+ 38. Qf2 Qxf2+ 39. Rxf2 Re7 40. Rxe7 Nxe7 41. bxc6 Nxc6 42. Rc2 Rg6 43. Rc5 Rd6 44. Bf3 Nb4 45. Rb5 Rb6 46. Ra5 d4 47. Rxa7 Rd6 48. Rb7 Nd3 49. a5 Ne5 50. Bd1 Nc4 51. Bb3 Nxa5 52. Rxf7+ Kg6 53. Rf3 Kg7 54. Bc2 Nc4 55. g4 Ne5 56. Rf5 d3 57. Bd1 Nc4 58. Kf2 Nb2 59. Ke1 d2+ 60. Ke2 Re6+ 61. Kxd2 Rd6+ 62. Ke2 Nxd1 63. Rf3 Nb2 64. Rb3 Nc4 65. Rd3 Re6+ 66. Kf2 Ra6 67. Kg3 Ne5 68. Re3 Ra5 69. Rb3 Rc5 70. Ra3 Rb5 71. h4 Rb4 72. g5 Rg4+ 73. Kh3 Re4 74. Ra7+ Kg6 75. Ra6+ Kg7 76. h5 Nf7 77. Ra7 Kf8 78. g6 Ne5 79. g7+ Kg8 80. h6 Re3+ 81. Kg2 Kh7 82. Ra8 Re2+ 83. Kf1 Rf2+ 84. Kg1 1-0

[Event "Chihuahua Bionext op"]
[Site "Chihuahua City"]
[Date "2019.11.29"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Rubio Ramos, Jorge Yadir"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2134"]
[BlackElo "1819"]
[PlyCount "104"]
[EventDate "2019.11.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 e6 4. Nbd2 d5 5. g3 Nf6 6. Bg2 Be7 7. 0-0 b6 8. Re1 Bb7 9. e5 Nd7 10. Nf1 g5 11. h3 h5 12. c3 g4 13. hxg4 hxg4 14. N3h2 Ndxe5 15. d4 Nf3+ 16. Nxf3 gxf3 17. Bxf3 Qd7 18. Bf4 0-0-0 19. a4 Bd6 20. Bxd6 Qxd6 21. a5 Nxa5 22. dxc5 Qc7 23. b4 Nc4 24. Rxa7 Kb8 25. Qa4 bxc5 26. Ra1 Nb6 27. Qb5 cxb4 28. Qxb4 Qd6 29. Qa5 Nc8 30. Rxb7+ Kxb7 31. c4 Qb6 32. Qa2 Kc7 33. cxd5 Kd7 34. Rb1 Qd6 35. Rb7+ Ke8 36. Qb2 Rg8 37. Rb5 Ne7 38. dxe6 Qxe6 39. Re5 Qd6 40. Ne3 Kf8 41. Nd5 Rb8 42. Qc3 Ng6 43. Re1 Nh4 44. Be4 f5 45. Bh1 f4 46. Qf6+ Qxf6 47. Nxf6 fxg3 48. Nxg8 gxf2+ 49. Kxf2 Kxg8 50. Be4 Kg7 51. Rg1+ Kf6 52. Rg4 Nf5 1/2-1/2

[Event "Chihuahua Bionext op"]
[Site "Chihuahua City"]
[Date "2019.11.29"]
[Round "3"]
[White "Valle Caballero, Julio Cesar"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "1661"]
[BlackElo "2134"]
[PlyCount "89"]
[EventDate "2019.11.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. g3 0-0 6. Bg2 c6 7. Nge2 Nbd7 8. 0-0 e5 9. d5 c5 10. Bg5 h6 11. Bxf6 Nxf6 12. a3 Bg4 13. h3 Bd7 14. Kh2 a6 15. a4 b6 16. Qd3 Nh5 17. f4 exf4 18. Nxf4 Nxf4 19. gxf4 g5 20. f5 Be5+ 21. Kh1 Qf6 22. Ra2 Rab8 23. Nd1 b5 24. axb5 axb5 25. b3 bxc4 26. bxc4 Rb7 27. Ne3 h5 28. Bf3 Qh6 29. Rg2 Rfb8 30. Rfg1 Bf4 31. Bd1 Kf8 32. Nf1 Rb4 33. Ng3 g4 34. Nxh5 Qxh5 35. Rxg4 Qh6 36. Qf3 Be5 37. h4 Rb2 38. Be2 Rxe2 39. Qxe2 Rb2 40. Qxb2 Bxb2 41. Rb1 Be5 42. Rb8+ Be8 43. Rxe8+ Kxe8 44. Rg8+ Kd7 45. Rg5 0-1

[Event "Cuernavaca Sisniega Memorial"]
[Site "Cuernavaca"]
[Date "2015.11.11"]
[Round "1"]
[White "Cordova, Emilio"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2611"]
[BlackElo "2181"]
[PlyCount "81"]
[EventDate "2015.11.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 g6 2. g3 Bg7 3. Bg2 Nf6 4. c4 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 a6 8. h3 Rb8 9. Be3 Bd7 10. Rc1 h6 11. Qd2 Kh7 12. Rfd1 Re8 13. b3 Qc8 14. d5 Ne5 15. Nxe5 dxe5 16. Kh2 Bf5 17. Ba7 Ra8 18. Bc5 h5 19. e4 Bd7 20. Be3 Ng8 21. Rf1 b5 22. f4 exf4 23. Rxf4 f6 24. e5 fxe5 25. Rf7 Rf8 26. Ne4 Kh8 27. Rxg7 Kxg7 28. Qb2 Rf5 29. g4 hxg4 30. hxg4 Nf6 31. gxf5 Ng4+ 32. Kg1 Qh8 33. Bf4 Kg8 34. Nc5 Bxf5 35. d6 Rc8 36. Bd5+ Kh7 37. Ne6 cxd6 38. Kg2 Nf6 39. Rh1+ Nh5 40. Ng5+ Kg7 41. Bxe5+ 1-0

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.11"]
[Round "9"]
[White "Castillo Coca, Mairebys"]
[Black "Medina Diaz, Rafael Alejandro"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2164"]
[BlackElo "2192"]
[PlyCount "157"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 f5 4. Nc3 Nf6 5. g3 c6 6. Bg2 Bd6 7. c5 Bc7 8. 0-0 0-0 9. Ne5 Bxe5 10. dxe5 Nfd7 11. Qd4 b6 12. b4 bxc5 13. bxc5 Qa5 14. Na4 Ba6 15. Bf3 Bb5 16. Nb2 Qa3 17. Nd3 Qa4 18. Qc3 Na6 19. Be3 Rab8 20. h4 Bxd3 21. exd3 f4 22. gxf4 Rxf4 23. Bxf4 Qxf4 24. d4 Nc7 25. a4 Rf8 26. Bg2 Qxh4 27. Rab1 Nb8 28. f4 Nba6 29. Qd2 Rf5 30. Rb3 Qg4 31. Qf2 Qg6 32. Rg3 Qh6 33. Rh3 Qg6 34. Qh4 Rf8 35. Kh2 Ne8 36. Qh5 Qxh5 37. Rxh5 g6 38. Rg5 Nb4 39. Bh3 Ng7 40. Rg3 a5 41. Bg4 Nc2 42. Rd3 Nb4 43. Rc3 Rb8 44. Rb3 Kf7 45. Rfb1 Ke7 46. Kg3 Kf7 47. Rh1 Kg8 48. Rhb1 Kf7 49. Kf3 Kf8 50. Ke2 Kf7 51. Rh1 Kg8 52. Kd2 Rb7 53. Rhb1 Kf7 54. Rxb4 axb4 55. a5 Ne8 56. a6 Rb5 57. Be2 Rb8 58. a7 Ra8 59. Ra1 Nc7 60. Kc2 Rc8 61. Ba6 Nxa6 62. Rxa6 Ra8 63. Kb3 Ke7 64. Rxc6 Rxa7 65. Kxb4 h5 66. Kb5 h4 67. Rc8 Ra1 68. Rh8 Kd7 69. c6+ Kc7 70. Rh7+ Kc8 71. Kc5 Kb8 72. Kd6 Rc1 73. Rxh4 Ka7 74. Rh7+ Kb6 75. Rb7+ Ka6 76. Rb2 g5 77. fxg5 Ka7 78. g6 Rc3 79. g7 1-0

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.10"]
[Round "8"]
[White "Castillo Coca, Mairebys"]
[Black "Pampren, Victor"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2164"]
[BlackElo "2165"]
[PlyCount "116"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Nc3 0-0 6. g3 Nc6 7. Bg2 d6 8. 0-0 Bxc3 9. Bxc3 Ne4 10. Be1 f5 11. d5 Nd8 12. Rc1 e5 13. b4 Nf7 14. Nd2 Nxd2 15. Bxd2 Bd7 16. c5 Rac8 17. Rc3 g5 18. Qc2 Qf6 19. cxd6 cxd6 20. Rc7 f4 21. Rc1 Nh6 22. Rxc8 Bxc8 23. e4 Bd7 24. Qb3 Bb5 25. a4 Be2 26. gxf4 gxf4 27. f3 b5 28. axb5 Bxb5 29. Rc7 Qd8 30. Qc3 Kh8 31. Kh1 a6 32. Bxf4 Nf7 33. Bg3 Qg5 34. f4 Qh5 35. Bf3 Qh3 36. Bg2 Qh5 37. h3 Rg8 38. fxe5 Nxe5 39. Bxe5+ dxe5 40. Re7 Qd1+ 41. Kh2 Rxg2+ 42. Kxg2 Qf1+ 43. Kg3 Qf4+ 44. Kg2 Qg5+ 45. Kh2 Qxe7 46. Qc8+ Kg7 47. Qg4+ Kf8 48. Qf5+ Kg8 49. Qg4+ Kh8 50. Qc8+ Qe8 51. Qf5 h6 52. Qf6+ Kh7 53. Qf5+ Kg7 54. d6 Bd7 55. Qf1 Qf7 56. Qxa6 Qf2+ 57. Kh1 Bxh3 58. Qb7+ Kg6 0-1

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.09"]
[Round "7"]
[White "Ruiz Aguilar, Pablo Alexander"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2283"]
[BlackElo "2164"]
[PlyCount "131"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb6 axb5 9. Nxb5 Bb4+ 10. c3 Ba5 11. Nc7+ Kf8 12. Nxa8 Qxa8 13. Qd6+ Nge7 14. Qa3 Qb8 15. Bxa5 Qe5 16. Bb6 Qxe4+ 17. Be2 Ke8 18. Qd6 Nd5 19. Be3 Nxe3 20. fxe3 Qxe3 21. Rf1 f6 22. Qf4 Qa7 23. Qg3 Kf8 24. h4 Ne7 25. Bd3 Qc5 26. 0-0-0 d5 27. Kb1 Kf7 28. Qf4 Bd7 29. g4 Ra8 30. g5 f5 31. Bc2 Bb5 32. Rfe1 Bc4 33. a4 Qb6 34. Rd4 Rc8 35. h5 Ba6 36. Rb4 Qc5 37. Qe5 Rc6 38. h6 gxh6 39. Qf6+ Ke8 40. Qxh6 Kd7 41. Qxh7 Qf2 42. Rh1 Qg2 43. Rbh4 Qxg5 44. Qf7 Qg6 45. Rh7 Qxf7 46. Rxf7 Kd6 47. Rh6 Be2 48. Kc1 Bg4 49. Kd2 Rb6 50. b4 Rc6 51. a5 d4 52. cxd4 Rc4 53. Bb3 Rxd4+ 54. Kc3 Re4 55. b5 Re3+ 56. Kb4 Be2 57. Rhh7 Re4+ 58. Kc3 Ng6 59. Rxb7 f4 60. a6 Re3+ 61. Kb4 f3 62. Rb6+ Ke5 63. Rxe6+ Kf4 64. Rf7+ Kg5 65. Rxe3 Nf4 66. Re5+ 1-0

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.08"]
[Round "6"]
[White "Castillo Coca, Mairebys"]
[Black "Carrazana Vazquez, Pedro A"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2164"]
[BlackElo "2212"]
[PlyCount "19"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Bxc6 dxc6 7. Nxe5 Be7 8. Nc3 0-0 9. d4 Be6 10. Bf4 1/2-1/2

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.07"]
[Round "5"]
[White "Infante Machin, Brian Jose"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2202"]
[BlackElo "2164"]
[PlyCount "82"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. d4 Bg7 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 0-0 7. Nc3 Nc6 8. Nb3 d6 9. h3 Bd7 10. a4 Rc8 11. a5 Qc7 12. Be3 Qb8 13. Nb5 Rfd8 14. c3 Be6 15. N3d4 Bd5 16. Qa4 Bxg2 17. Kxg2 Nd5 18. Bg5 h6 19. Bd2 a6 20. Na3 Ne5 21. f4 Nd7 22. f5 g5 23. h4 b5 24. axb6 Qxb6 25. hxg5 hxg5 26. Nc4 Qb7 27. Kg1 Nc5 28. Qa2 Ne4 29. Na5 Qa8 30. Ndc6 Nxd2 31. Qxd5 Nxf1 32. Rxf1 Rd7 33. f6 Bxf6 34. Qf5 Rxc6 35. Qxd7 Rc5 36. Nb7 Re5 37. Nd8 Qd5 38. Rf2 Re3 39. Kh2 Kg7 40. Qe8 g4 41. Qd7 Qh5+ 0-1

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.06"]
[Round "4"]
[White "Morales Romero, Pedro"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2356"]
[BlackElo "2164"]
[PlyCount "55"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Qd2 Nf6 8. 0-0-0 d6 9. h3 Bd7 10. g4 h6 11. f4 b5 12. Bd3 b4 13. Nce2 Nxd4 14. Nxd4 e5 15. Nf5 g6 16. g5 Nh5 17. Nxh6 Nxf4 18. Bxf4 exf4 19. Qxf4 Be6 20. e5 Be7 21. exd6 Bxd6 22. Bb5+ axb5 23. Rxd6 Rc8 24. Rh2 Qa7 25. Re2 Rh7 26. Qf6 b3 27. Rexe6+ fxe6 28. Qxe6+ 1-0

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.05"]
[Round "3"]
[White "Castillo Coca, Mairebys"]
[Black "Rodriguez Hernandez, Luis Daniel"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2164"]
[BlackElo "2223"]
[PlyCount "97"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 a6 8. Qc2 Bg4 9. d5 Na5 10. Nd2 c5 11. a3 Qc7 12. Qd3 Rab8 13. e4 b5 14. f4 Bc8 15. Kh1 Nd7 16. cxb5 c4 17. Qe2 axb5 18. Na2 Nc5 19. Nb4 Na4 20. Nf3 c3 21. bxc3 Qxc3 22. Rb1 Qc4 23. Qxc4 bxc4 24. Be3 Nc3 25. Rbc1 Bd7 26. Nd2 Rfc8 27. e5 dxe5 28. Na6 Rb2 29. fxe5 Bxe5 30. Nf3 Bf6 31. Nc5 Bf5 32. Nd4 Ne2 33. Nxf5 Nxc1 34. Nh6+ Kg7 35. Rxc1 Nb3 36. Nxb3 Rxb3 37. Bf4 Bb2 38. Rf1 c3 39. d6 c2 40. dxe7 c1Q 41. Bxc1 Bxc1 42. Nxf7 Bxa3 43. Bd5 Re3 44. Ng5 Rxe7 45. Ne6+ Kh6 46. Rf4 Rc1+ 47. Kg2 Rc2+ 48. Kh3 Rxe6 49. Bxe6 1/2-1/2

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.04"]
[Round "2"]
[White "Garcia Morales, Gaspar"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1759"]
[BlackElo "2164"]
[PlyCount "90"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c5 5. d3 Nc6 6. e3 0-0 7. Nge2 e6 8. 0-0 d5 9. cxd5 exd5 10. d4 cxd4 11. exd4 Bg4 12. Be3 Qd7 13. Qd2 Rfe8 14. Rfd1 Rac8 15. f3 Bf5 16. Rac1 h5 17. Nf4 Re7 18. Re1 Nb4 19. a3 Nc6 20. b4 Rce8 21. Bf2 Bh6 22. Rxe7 Rxe7 23. Re1 Kh7 24. Rxe7 Nxe7 25. Be3 Qc6 26. Nfxd5 Nexd5 27. Nxd5 Nxd5 28. Bxh6 Qa4 29. Qc1 Qb3 30. Kf2 Qd3 31. Be3 Nc3 32. Bf1 Nd1+ 33. Ke1 Qxe3+ 34. Kxd1 Qxd4+ 35. Qd2 Qa1+ 36. Qc1 Qd4+ 37. Qd2 Qg1 38. Qg2 Qe3 39. f4 Be6 40. Be2 Qd4+ 41. Kc2 Bf5+ 42. Kb3 Qe3+ 43. Kc4 Be6+ 44. Kb5 Bd7+ 45. Kc4 Bc6 0-1

[Event "Guillermo Garcia Memorial op 24th"]
[Site "Santa Clara"]
[Date "2015.06.03"]
[Round "1"]
[White "Castillo Coca, Mairebys"]
[Black "Fuentes Dominguez, Felix"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2164"]
[BlackElo "2317"]
[PlyCount "94"]
[EventDate "2015.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bf4 Bg7 8. Nf3 0-0 9. h3 Re8 10. Qc2 a6 11. Be2 b5 12. Nd2 Bb7 13. 0-0 Bf8 14. Rae1 Nbd7 15. Bg5 Bg7 16. f4 c4 17. Bf3 Nc5 18. Re2 Nd3 19. f5 Qc7 20. g4 Nd7 21. Bg2 Rac8 22. f6 Bf8 23. a3 N7e5 24. Nf3 Nxf3+ 25. Bxf3 Qd8 26. Bg2 a5 27. Be3 Ba6 28. a4 b4 29. Nb5 Bxb5 30. axb5 Qd7 31. b6 Qb5 32. Qd2 c3 33. bxc3 bxc3 34. Qc2 Nb4 35. Qd1 c2 36. Qd2 c1Q 37. Rxc1 Rxc1+ 38. Qxc1 Qxe2 39. b7 Nd3 40. Qd2 Qxd2 41. Bxd2 Nb4 42. Bc3 Rb8 43. e5 dxe5 44. d6 Bxd6 45. Kf1 a4 46. Ke2 a3 47. Kd2 Na6 0-1

[Event "Capablanca Memorial op 49th"]
[Site "Havana"]
[Date "2014.05.14"]
[Round "6"]
[White "Vargas Rodriguez, Wilver"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2247"]
[BlackElo "2121"]
[PlyCount "60"]
[EventDate "2014.04.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 Nf6 7. Ndb5 Qb8 8. Bf4 e5 9. Bg5 a6 10. Na3 b5 11. Bxf6 b4 12. Nd5 bxa3 13. Bg5 axb2 14. Rb1 Bc5 15. Bc4 a5 16. Qf3 d6 17. Rxb2 Qa7 18. c3 Be6 19. Bb5 Bd7 20. 0-0 Rb8 21. Nf6+ gxf6 22. Qxf6 Rg8 23. Bxc6 Rxg5 24. Rxb8+ Qxb8 25. Qh8+ Ke7 26. Qxb8 Bxc6 27. Qc7+ Bd7 28. Rb1 Rg8 29. Rb7 Rd8 30. Qxa5 Ke8 1-0

[Event "Capablanca Memorial op 49th"]
[Site "Havana"]
[Date "2014.05.10"]
[Round "3"]
[White "Vega Chirino, Lemay"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2282"]
[BlackElo "2121"]
[PlyCount "82"]
[EventDate "2014.04.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c5 6. 0-0 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd2 Rb8 11. Rd1 Bd7 12. b3 Bc6 13. Bb2 Bxg2 14. Kxg2 a6 15. Rac1 Qc8 16. Nd5 Qe6 17. Rc2 Rfc8 18. Bxf6 Bxf6 19. Rdc1 h5 20. Qf4 Kg7 21. h4 Rc5 22. Qf3 Be5 23. b4 Rc6 24. Qd3 Rbc8 25. e4 Bf6 26. f4 a5 27. a3 axb4 28. axb4 Ra6 29. c5 Kh7 30. cxd6 Rxc2+ 31. Rxc2 Rxd6 32. b5 Rd7 33. Rd2 Bg7 34. Nf6+ Bxf6 35. Qxd7 Qxe4+ 36. Kh2 Kg7 37. Qd3 Qe6 38. Qd5 Qe3 39. Qd3 Qe6 40. Qd5 Qe3 41. Qd3 Qe6 1/2-1/2

[Event "Capablanca Memorial op 49th"]
[Site "Havana"]
[Date "2014.05.09"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Hernandez Marquez, Noel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2121"]
[BlackElo "2353"]
[PlyCount "90"]
[EventDate "2014.04.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e3 c5 6. Be2 Nc6 7. 0-0 d6 8. h3 h6 9. Bh4 b6 10. Re1 Bb7 11. c3 Rc8 12. a3 Rc7 13. Qb3 Qa8 14. Rad1 cxd4 15. exd4 Nh5 16. Bd3 Na5 17. Qc2 e5 18. dxe5 dxe5 19. Be4 g5 20. Bxb7 Qxb7 21. Bxg5 hxg5 22. Nxg5 f5 23. Ne6 Nf4 24. Nxf4 exf4 25. Nf3 Re7 26. Qa4 Re4 27. Rxe4 fxe4 28. Ng5 Qc6 29. Qc2 Re8 30. Re1 Nc4 31. Qe2 e3 32. f3 Rd8 33. Qc2 Qh6 34. Qf5 Qf6 35. Qh7+ Kf8 36. Ne4 Qe5 37. Qg6 Rd5 38. Qc6 Nd2 39. Qa8+ Ke7 40. Qxa7+ Rd7 41. Qxb6 Nxe4 42. fxe4 Qxe4 43. Qb4+ Qxb4 44. axb4 Bh6 45. Kf1 Bg5 0-1

[Event "Capablanca Memorial op 49th"]
[Site "Havana"]
[Date "2014.05.08"]
[Round "1"]
[White "Ordunez Echarte, Dennys"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2341"]
[BlackElo "2121"]
[PlyCount "73"]
[EventDate "2014.04.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 d6 4. Bb5+ Nd7 5. 0-0 a6 6. Bxd7+ Bxd7 7. d4 cxd4 8. Qxd4 Qc7 9. Ba3 Nf6 10. Nbd2 Bc6 11. Rfe1 Rd8 12. c4 Be7 13. Rad1 0-0 14. h3 Rfe8 15. Nb1 h6 16. Nc3 Qa5 17. Bb2 Qh5 18. Rd2 Qg6 19. Qe3 Nh5 20. Kh2 f5 21. Ba3 fxe4 22. Nxe4 e5 23. g3 Rf8 24. Nxe5 dxe5 25. Bxe7 Rxd2 26. Nxd2 Rf7 27. Bc5 Nf4 28. Ne4 Ne6 29. Bb6 Qh5 30. g4 Qg6 31. f3 Rf4 32. Nd2 Ng5 33. Rf1 Qd6 34. Bc5 Qc7 35. Bb6 Qd6 36. Bc5 Qc7 37. Bb6 1/2-1/2

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.05.01"]
[Round "10"]
[White "Castillo Coca, Mairebys"]
[Black "Miranda Llanes, Yerisbel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2094"]
[BlackElo "2267"]
[PlyCount "21"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 a6 7. Nbd2 0-0 8. Re1 Ba7 9. Nf1 Na5 10. Ng3 Nxc4 11. dxc4 1/2-1/2

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.30"]
[Round "9"]
[White "Lopez Gari, Osvaldo"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2291"]
[BlackElo "2094"]
[PlyCount "83"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 Nbd7 7. Nc3 c5 8. d5 a6 9. a4 Ng4 10. h3 Nge5 11. Nd2 Nf6 12. f4 Ned7 13. e4 Rb8 14. Kh2 Ne8 15. Qe2 Qa5 16. Ra3 Qc7 17. Nf3 h6 18. Re1 Bd4 19. e5 Ng7 20. e6 Bxc3 21. exf7+ Rxf7 22. Rxc3 Nf6 23. Nh4 Kh7 24. Re3 Ng8 25. Be4 Bf5 26. Bg2 Bd7 27. Be4 Bf5 28. Nxf5 Nxf5 29. Bxf5 Rxf5 30. g4 Rf6 31. Kg3 b5 32. h4 Qd7 33. Bd2 bxc4 34. Bc3 Rf7 35. Re6 Nf6 36. Qxc4 Qb7 37. Rd1 Qb3 38. Qd3 Qxa4 39. Rde1 Qd7 40. f5 Rg8 41. fxg6+ Rxg6 42. Bxf6 1-0

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.29"]
[Round "8"]
[White "Castillo Coca, Mairebys"]
[Black "Campos Vila, Milena"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2094"]
[BlackElo "2253"]
[PlyCount "147"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d5 6. Bd3 dxe4 7. Nxe4 Nxe4 8. Bxe4 c5 9. Qd2 cxd4 10. 0-0-0 Nc6 11. Bh6 Qb6 12. h4 Nb4 13. Kb1 Qe6 14. Qxb4 Bxh6 15. Bd3 a5 16. Qa3 Bg7 17. h5 Qf6 18. Rde1 Be6 19. hxg6 hxg6 20. Nd2 Bd5 21. Ne4 Bxe4 22. Rxe4 e6 23. Qd6 b5 24. Qh2 Rfd8 25. Rh4 Rac8 26. g4 Rc5 27. f4 g5 28. fxg5 Rxg5 29. Rf1 Qe7 30. Rh8+ Bxh8 31. Qh7+ Kf8 32. Qxh8+ Rg8 33. Qh6+ Ke8 34. Bxb5+ Rd7 35. Qh7 Rf8 36. Qe4 Qd6 37. Rd1 Ke7 38. Bxd7 Qxd7 39. Rxd4 Qa7 40. c3 Rb8 41. Qc6 Rd8 42. Rxd8 Kxd8 43. Qd6+ Ke8 44. Qd4 Qa6 45. Qe4 Ke7 46. a4 Kf6 47. Qd4+ Ke7 48. Qc5+ Kf6 49. g5+ Kg7 50. Qe5+ Kf8 51. Kc2 Qb6 52. Qh8+ Ke7 53. Qf6+ Ke8 54. g6 fxg6 55. Qxg6+ Ke7 56. Qg5+ Kf7 57. Qf4+ Ke8 58. b4 axb4 59. Qxb4 Qf2+ 60. Kb3 Qd2 61. a5 Qd1+ 62. Kb2 Qd2+ 63. Ka3 Qd3 64. Ka4 Kf7 65. c4 Qd1+ 66. Qb3 Qd7+ 67. Qb5 Qd1+ 68. Kb4 Qd6+ 69. Qc5 Qb8+ 70. Qb6 Qf8+ 71. c5 Qh8 72. Kb5 Qb2+ 73. Ka6 Qe2+ 74. Qb5 1-0

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.28"]
[Round "7"]
[White "Pachon Gutierrez, Adriana Paola"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2055"]
[BlackElo "2094"]
[PlyCount "148"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 Nc6 7. Nc3 Nxc3 8. bxc3 Be7 9. Bd3 d6 10. Qe2 dxe5 11. dxe5 b6 12. 0-0 Bb7 13. Rd1 Qc7 14. Bf4 Rc8 15. Nd4 Nxd4 16. cxd4 0-0 17. Rac1 Qd7 18. Qg4 Rxc1 19. Bxc1 Rc8 20. h4 Qa4 21. h5 Kh8 22. Re1 Qxa2 23. Bg5 Qa3 24. Re3 Bxg5 25. Qxg5 h6 26. Qf4 Qe7 27. Rg3 a5 28. Qd2 Qh4 29. Be2 Qd8 30. Bd1 Qc7 31. Qf4 Qe7 32. Bb3 b5 33. Qg4 Qf8 34. Qe2 Qb4 35. Qg4 Rg8 36. Qf4 Qe7 37. Qd2 b4 38. Qd3 Rc8 39. Bc2 Rxc2 40. Qxc2 Qd8 41. Qc5 Bd5 42. Re3 Kg8 43. Qd6 Qh4 44. Rh3 Qg4 45. Rg3 Qd1+ 46. Kh2 Qxh5+ 47. Kg1 Qd1+ 48. Kh2 Qxd4 49. Qd8+ Kh7 50. Qf8 Qxe5 51. Qxf7 Qf6 52. Qc7 b3 53. Qxa5 Qxf2 54. Qc3 Qf6 55. Qd3+ Kg8 56. Rg4 Qe5+ 57. Kh3 Qf5 58. Qd4 g5 59. Qa4 e5 60. Kh2 e4 61. Qe8+ Kg7 62. Qe7+ Qf7 63. Qe5+ Kg6 64. Rg3 Qf5 65. Qe8+ Bf7 66. Qc6+ Qe6 67. Qc3 Qf6 68. Qb4 Qe5 69. Qb6+ Be6 70. Qc6 Kh5 71. Qc1 Kh4 72. Qe1 b2 73. Qe3 b1Q 74. Qf3 exf3 0-1

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.27"]
[Round "6"]
[White "Fernandez Rivero, Karla July"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2055"]
[BlackElo "2094"]
[PlyCount "43"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Na6 7. Qd2 e5 8. d5 Qe8 9. f3 Nh5 10. Be3 f5 11. exf5 gxf5 12. 0-0-0 Bd7 13. Bd3 Nb4 14. Bb1 a5 15. Nge2 Nf6 16. a3 Na6 17. Bc2 Rb8 18. Ba7 Ra8 19. Be3 Rb8 20. Ba7 Ra8 21. Be3 Rb8 22. Ba7 1/2-1/2

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.25"]
[Round "5"]
[White "Castillo Coca, Mairebys"]
[Black "Gil Alba, Hector Luis"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2094"]
[BlackElo "2236"]
[PlyCount "64"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d6 3. e4 Bg4 4. c3 Nf6 5. h3 Bh5 6. Bd3 e5 7. d5 Nb8 8. Be3 Nbd7 9. Nbd2 Be7 10. 0-0 0-0 11. a4 a5 12. Re1 c6 13. c4 Bg6 14. Rb1 cxd5 15. cxd5 Nxd5 16. Bc4 Nxe3 17. Rxe3 Kh8 18. Bd5 Rb8 19. b4 Nf6 20. Ba2 axb4 21. Rxb4 Nd7 22. Bd5 Nc5 23. Nb3 f6 24. Nh4 Be8 25. Qg4 g6 26. Rg3 Nxb3 27. Rbxb3 f5 28. Nxf5 Bd7 29. Rxb7 Rxb7 30. Bxb7 Bf6 31. Bd5 Qc8 32. Nxd6 Qc1+ 0-1

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.24"]
[Round "4"]
[White "Ragolta Franco, Eduardo"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2301"]
[BlackElo "2094"]
[PlyCount "75"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Be2 Be7 8. 0-0 Qc7 9. Be3 0-0 10. Rc1 a6 11. b3 Bd7 12. Nc2 Rac8 13. f4 Rfe8 14. Qe1 Qa5 15. a3 Qc7 16. b4 b6 17. g4 d5 18. cxd5 exd5 19. Nxd5 Nxd5 20. exd5 Nb8 21. Nd4 Qd6 22. Bf3 Bf6 23. Qd2 g6 24. Rxc8 Bxc8 25. Rc1 Bb7 26. Ne2 Nd7 27. Ng3 Bg7 28. Ne4 Qb8 29. g5 Bf8 30. Rc6 Qd8 31. Bxb6 Nxb6 32. Nf6+ Kh8 33. Nxe8 Bxc6 34. Qc3+ Kg8 35. Nf6+ Kh8 36. Ne8+ Kg8 37. Qxc6 Nd7 38. Qxd7 1-0

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.23"]
[Round "3"]
[White "Bacallao Alonso, Yusnel"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2542"]
[BlackElo "2094"]
[PlyCount "105"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d6 3. d4 g6 4. Bb2 Bg7 5. Nbd2 b6 6. e4 Bb7 7. Bb5+ c6 8. Bd3 0-0 9. Qe2 Nh5 10. Qe3 c5 11. c3 Nc6 12. d5 Nb8 13. 0-0-0 Qd7 14. h3 b5 15. g4 Nf6 16. Qe2 b4 17. c4 a5 18. e5 dxe5 19. Nxe5 Qd6 20. Rhe1 a4 21. Bb1 e6 22. g5 a3 23. Ba1 Nh5 24. Ne4 Qb6 25. dxe6 fxe6 26. Qe3 Bxe4 27. Bxe4 Ra7 28. Rd2 Qc7 29. Bc2 Nf4 30. Red1 Qe7 31. h4 Qc7 32. Kb1 Ng2 33. Qe4 Nxh4 34. Rd6 Nf5 35. Rxe6 Rd8 36. Rxd8+ Qxd8 37. Nxg6 Nd6 38. Ne7+ Rxe7 39. Qxh7+ Kf8 40. Bxg7+ Rxg7 41. Qh8+ Rg8 42. Qh6+ Rg7 43. Rg6 Ne8 44. Qh8+ Ke7 45. Rxg7+ Nxg7 46. Qxg7+ Ke6 47. Qg6+ Ke5 48. Qe4+ Kd6 49. Qf4+ Ke7 50. Qe5+ Kd7 51. g6 Qh4 52. Bf5+ Kc6 53. Qe4+ 1-0

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.22"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Trent, Lawrence"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2094"]
[BlackElo "2425"]
[PlyCount "60"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. Bd3 Bg4 5. Nbd2 Nbd7 6. h3 Bh5 7. b3 e6 8. Bb2 Bd6 9. 0-0 Qe7 10. c4 0-0 11. c5 Bc7 12. Qc2 Bxf3 13. Nxf3 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Bd4 g6 17. Rad1 Bxd4 18. exd4 Nh5 19. Rfe1 Qc7 20. Re5 Rae8 21. Rde1 Ng7 22. f4 Qa5 23. f5 Qxe1+ 24. Rxe1 Rxe1+ 25. Kf2 Rfe8 26. g4 gxf5 27. gxf5 R1e3 28. f6 Rxh3 29. Kg2 Ree3 30. Bf5 Reg3+ 0-1

[Event "Capablanca Memorial op-A 48th"]
[Site "Havana"]
[Date "2013.04.21"]
[Round "1"]
[White "Castillo Coca, Mairebys"]
[Black "Figueredo Losada, Leonel"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2094"]
[BlackElo "2347"]
[PlyCount "61"]
[EventDate "2013.04.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 c5 2. e3 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 0-0 6. Bd3 b6 7. 0-0 Bb7 8. Nbd2 d6 9. c4 e6 10. Qc2 Nbd7 11. Rad1 Qe7 12. Rfe1 Rac8 13. Qb1 Rfd8 14. Ne4 cxd4 15. exd4 Nxe4 16. Bxe4 Bxe4 17. Qxe4 d5 18. Qe2 Nf6 19. Ne5 dxc4 20. bxc4 Qb7 21. Rd3 Ne8 22. h4 Nd6 23. h5 Nxc4 24. hxg6 hxg6 25. Nxc4 Rxc4 26. Rh3 Qd5 27. Qg4 Bxd4 28. Re4 Rb4 29. Bxd4 Rxd4 30. Qh4 Kf8 31. Qf6 1-0

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.21"]
[Round "10"]
[White "Rasmussen, Karsten"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2434"]
[BlackElo "2087"]
[PlyCount "45"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 Bg4 5. Ne5 Bf5 6. cxd5 Nxd5 7. Qb3 Qb6 8. Qxb6 Nxb6 9. e4 Be6 10. Be3 f6 11. d5 Bxd5 12. Bxb6 axb6 13. Nxd5 fxe5 14. Nc7+ Kd8 15. Nxa8 Nd7 16. 0-0-0 Kc8 17. a4 g6 18. Bc4 Bh6+ 19. Kb1 Nc5 20. Nxb6+ Kc7 21. a5 Nxe4 22. Rd7+ Kb8 23. Rhd1 1-0

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.20"]
[Round "9"]
[White "Soppe, Guillermo"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2430"]
[BlackElo "2087"]
[PlyCount "79"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 c6 5. Na3 d5 6. Rb1 0-0 7. Bg2 a5 8. b5 c5 9. 0-0 b6 10. c4 Bb7 11. d4 Nbd7 12. Ne5 Nxe5 13. dxe5 Ng4 14. e4 Nxe5 15. cxd5 Qc7 16. f4 Nd7 17. Bxg7 Kxg7 18. Nc4 Nf6 19. Rb2 Rad8 20. Rd2 Ne8 21. e5 Kg8 22. a4 Ng7 23. g4 Bc8 24. h3 f5 25. g5 Nh5 26. Qe1 e6 27. d6 Qa7 28. Qe3 Rf7 29. Bc6 Rdd7 30. Qb3 Kh8 31. Kh2 Qb8 32. Ne3 Rd8 33. Qc4 Ng7 34. d7 Bxd7 35. Rfd1 Qc7 36. Qd3 Nh5 37. Qd6 Qxd6 38. Rxd6 Nxf4 39. Bxd7 Re7 40. Bc6 1-0

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.19"]
[Round "8"]
[White "Castillo Coca, Mairebys"]
[Black "Illas Pueyo, Leonardo"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2087"]
[BlackElo "2310"]
[PlyCount "57"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. e3 d6 5. Be2 h6 6. Bh4 g5 7. Bg3 Nh5 8. Nbd2 Nxg3 9. hxg3 e6 10. c3 Nd7 11. Qc2 Qe7 12. 0-0-0 Nf6 13. Nh2 Bd7 14. f4 0-0-0 15. e4 Kb8 16. Qb3 Bc6 17. Bd3 d5 18. e5 Nd7 19. Ng4 Nb6 20. Qc2 h5 21. Ne3 f5 22. exf6 Bxf6 23. Nf3 Be8 24. Rde1 gxf4 25. gxf4 c5 26. Nf5 Qf7 27. dxc5 Na4 28. Nd6 Qd7 29. Bb5 1-0

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.18"]
[Round "7"]
[White "Estrada Nieto, Julian"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2316"]
[BlackElo "2087"]
[PlyCount "66"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. Bc4 b6 6. 0-0 Bb7 7. d4 cxd4 8. Nxd4 Qc7 9. Qe2 a6 10. Rd1 Nc6 11. Nxc6 Qxc6 12. Bxd5 exd5 13. Rd4 Be7 14. Nd2 0-0 15. Nf3 Rfe8 16. Bf4 d6 17. Qd2 dxe5 18. Bxe5 f6 19. Bf4 Bc5 20. Rd3 Re4 21. Nd4 Bxd4 22. Rxd4 Rae8 23. Be3 Rxd4 24. Qxd4 b5 25. f3 Qc4 26. Kf2 Qxd4 27. Bxd4 Kf7 28. g4 h5 29. h3 hxg4 30. hxg4 Rh8 31. Kg3 Re8 32. Kf2 Rh8 33. Kg3 Re8 1/2-1/2

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.17"]
[Round "6"]
[White "Castillo Coca, Mairebys"]
[Black "Lopez Vilier, Luis Angel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2087"]
[BlackElo "2316"]
[PlyCount "118"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 c5 5. c3 Qb6 6. Qb3 cxd4 7. exd4 Bd7 8. Nbd2 Bc6 9. Bd3 Nbd7 10. 0-0 Be7 11. Rfe1 0-0 12. h3 Rfc8 13. Ne5 Nxe5 14. Bxe5 Nd7 15. Bf4 Qa5 16. Qc2 Nf8 17. Nb3 Qb6 18. Qe2 a5 19. Rab1 a4 20. Nd2 a3 21. b4 Be8 22. Rbc1 Ng6 23. Bg3 Bg5 24. h4 Bh6 25. h5 Nf4 26. Bxf4 Bxf4 27. g3 Bh6 28. f4 Rc6 29. Kg2 f6 30. Nb3 Qc7 31. Nc5 Bf7 32. Qc2 b6 33. Bxh7+ Kh8 34. b5 Rd6 35. Na6 Qd7 36. Bg6 Bxg6 37. hxg6 Re8 38. Re5 fxe5 39. dxe5 d4 40. exd6 Qxd6 41. cxd4 Qd5+ 42. Kg1 Qxd4+ 43. Qf2 Qd3 44. Kh2 Qxg6 45. Qxb6 Qh5+ 46. Kg1 e5 47. Re1 exf4 48. Rxe8+ Qxe8 49. Qb8 Qxb8 50. Nxb8 fxg3 51. Nd7 Kg8 52. b6 Bf4 53. b7 Kf7 54. b8Q Bxb8 55. Nxb8 Ke6 56. Nc6 Kd5 57. Nb4+ Kc4 58. Nc2 Kc3 59. Nxa3 Kb2 1/2-1/2

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.15"]
[Round "5"]
[White "Garcia Pantoja, Roberto"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2411"]
[BlackElo "2087"]
[PlyCount "59"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 Nf6 7. Ndb5 Qb8 8. Bf4 Ne5 9. Be2 a6 10. Qd4 d6 11. Rd1 Bd7 12. Nxd6+ Bxd6 13. Qxd6 Qxd6 14. Rxd6 Ng6 15. Be3 Rc8 16. f3 Ne5 17. 0-0 Nc4 18. Bxc4 Rxc4 19. Rfd1 Rc6 20. R6d2 Rc8 21. Bb6 0-0 22. Rxd7 Nxd7 23. Rxd7 Rb8 24. Kf2 Rfc8 25. Bc7 Ra8 26. Na4 Kf8 27. Nb6 Ke8 28. b4 a5 29. b5 a4 30. a3 1-0

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.14"]
[Round "4"]
[White "Castillo Coca, Mairebys"]
[Black "De la Paz Perdomo, Frank"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2087"]
[BlackElo "2452"]
[PlyCount "46"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. c3 Bc5 5. Nf3 d6 6. 0-0 0-0 7. Re1 a6 8. Nbd2 Ba7 9. Bb3 Ng4 10. Re2 Kh8 11. h3 Nh6 12. Nf1 f5 13. Bxh6 gxh6 14. d4 fxe4 15. Rxe4 Bf5 16. Re1 Qf6 17. Bd5 exd4 18. Qd2 dxc3 19. bxc3 Ne5 20. Nxe5 dxe5 21. Bxb7 Rad8 22. Qb2 Rb8 23. Ne3 Bc8 0-1

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.13"]
[Round "3"]
[White "Quesada Vera, Liordis"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2438"]
[BlackElo "2087"]
[PlyCount "109"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Be7 4. Bg2 c6 5. e4 0-0 6. Nge2 a6 7. d4 d6 8. a4 a5 9. 0-0 Na6 10. h3 Nb4 11. f4 Qb6 12. Kh2 exd4 13. Nxd4 Qc7 14. Be3 Be6 15. b3 Rad8 16. Rc1 Bc8 17. Rf2 Rfe8 18. Rd2 Bf8 19. Qg1 Na6 20. Nde2 Nc5 21. Bxc5 dxc5 22. Rxd8 Rxd8 23. Qe3 Bg4 24. e5 Bxe2 25. Qxe2 Ne8 26. Ne4 Rd4 27. Ng5 h6 28. Nf3 Rd8 29. Rc2 Qc8 30. Qe4 g6 31. h4 Ng7 32. Bh3 Qc7 33. Re2 Re8 34. Qd3 Rd8 35. Qc2 Re8 36. Kg2 Qe7 37. Rd2 Rd8 38. Qd1 Rxd2+ 39. Qxd2 Qc7 40. Qd7 Qxd7 41. Bxd7 Nf5 42. Bxf5 gxf5 43. h5 Be7 44. Nd2 Kf8 45. Nf1 f6 46. e6 Bd6 47. Ne3 Ke7 48. Nxf5+ Kxe6 49. Nxd6 Kxd6 50. g4 Ke6 51. Kg3 Kf7 52. Kh4 Kg7 53. g5 f5 54. Kg3 Kh7 55. gxh6 1/2-1/2

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.12"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Garrido Dominguez, Jesus"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2087"]
[BlackElo "2417"]
[PlyCount "85"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. Bg5 g6 4. e3 Bg7 5. Be2 0-0 6. 0-0 b6 7. h3 Bb7 8. c4 c5 9. Nc3 Nh5 10. Ne1 h6 11. Bh4 cxd4 12. exd4 Nf4 13. Bf3 Qd7 14. Bg3 Ne6 15. Nc2 Bxf3 16. Qxf3 Nxd4 17. Nxd4 Bxd4 18. Rad1 Bxc3 19. Qxc3 Nc6 20. Rfe1 Rad8 21. b4 Rde8 22. c5 bxc5 23. bxc5 d5 24. Qd2 d4 25. Qxh6 e5 26. Re4 f5 27. Qxg6+ Qg7 28. Qxc6 fxe4 29. Qxe4 Qh7 30. Qg4+ Qg7 31. Qe4 Qg5 32. Qd5+ Kg7 33. Rxd4 Rd8 34. Qxe5+ Qxe5 35. Bxe5+ Kf7 36. Bd6 Rfe8 37. Kf1 Kg6 38. g4 Rh8 39. Kg2 Rde8 40. Ra4 Rh7 41. c6 Re2 42. c7 Rc2 43. Rxa7 1-0

[Event "Capablanca Memorial op-A 46th"]
[Site "Havana"]
[Date "2011.05.11"]
[Round "1"]
[White "Marrero Lopez, Yaniet"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2328"]
[BlackElo "2087"]
[PlyCount "64"]
[EventDate "2011.05.11"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 Nf6 5. e5 Nd5 6. Bb5 Be7 7. 0-0 0-0 8. d3 f6 9. Bxc6 bxc6 10. Nbd2 Qc7 11. c4 Nf4 12. exf6 Bxf6 13. Bxf6 gxf6 14. Ne4 d6 15. d4 f5 16. Ng3 cxd4 17. Qxd4 e5 18. Qd2 Bb7 19. c5 d5 20. Rfe1 Rae8 21. Qc3 Ng6 22. Nf1 Ba6 23. N1d2 Qg7 24. Kh1 Nf4 25. Nh4 Nd3 26. Rf1 Qg4 27. g3 Qe2 28. Kg1 f4 29. Ndf3 fxg3 30. hxg3 Rxf3 31. Nxf3 Qxf3 32. Qd2 Nf4 0-1

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.02.04"]
[Round "8"]
[White "Castillo Coca, Mairebys"]
[Black "Llaudy Pupo, Lisandra"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2166"]
[BlackElo "2238"]
[PlyCount "86"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. Nbd2 Bb7 5. h3 Be7 6. e3 0-0 7. Bd3 c5 8. 0-0 Nc6 9. c3 cxd4 10. exd4 Nd5 11. Bh2 f5 12. c4 Nf6 13. a3 Kh8 14. Re1 a6 15. d5 exd5 16. Bxf5 dxc4 17. Nxc4 d5 18. Nce5 Nxe5 19. Nxe5 Bc5 20. Bg3 a5 21. Be6 Qe8 22. Qf3 Ra7 23. Rad1 d4 24. Qb3 Bc8 25. Bc4 a4 26. Qa2 Qh5 27. Nc6 Ra8 28. Nxd4 Rd8 29. Ne2 Rxd1 30. Rxd1 Bb7 31. b4 axb3 32. Qxb3 Ne4 33. Nf4 Qh6 34. Ne6 Re8 35. Nxc5 Nxc5 36. Qb5 Ra8 37. Rd6 Qc1+ 38. Kh2 Ba6 39. Qc6 Bb7 40. Qb5 Ba6 41. Qc6 Bb7 42. Qb5 Ba6 43. Qc6 Bb7 1/2-1/2

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.02.03"]
[Round "7"]
[White "Castillo Coca, Mairebys"]
[Black "Hernandez Moya, Yuleisis"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2166"]
[BlackElo "2206"]
[PlyCount "52"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Nbd2 d5 4. e3 Bd6 5. Bd3 b6 6. b3 Bb7 7. Bb2 Ne4 8. 0-0 0-0 9. c4 f5 10. Ne5 Nd7 11. f3 Nxd2 12. Qxd2 Nf6 13. Rac1 c5 14. Rfd1 Qe7 15. Bb1 Rad8 16. Qe1 Nh5 17. dxc5 bxc5 18. Qa5 f4 19. Qc3 Qg5 20. Qd3 g6 21. h4 Qf6 22. exf4 Nxf4 23. Qe3 d4 24. Ng4 Qxh4 25. Qf2 Nxg2 26. Qxg2 Bxf3 0-1

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.02.02"]
[Round "6"]
[White "Frometa Castillo, Zirka"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2128"]
[BlackElo "2166"]
[PlyCount "120"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 d6 3. Nf3 Nbd7 4. Bc4 e6 5. Nc3 Be7 6. 0-0 0-0 7. b3 a6 8. a4 b6 9. Bb2 Bb7 10. Bd3 h6 11. Nd2 c5 12. Ne2 Qc7 13. c4 Nb8 14. Ng3 Nc6 15. Rc1 Nb4 16. Bb1 Rfd8 17. Bc3 a5 18. Nh5 Rac8 19. Nxf6+ Bxf6 20. dxc5 Bxc3 21. Rxc3 dxc5 22. Qe2 Qe5 23. Rfc1 Rd7 24. f4 Qc7 25. Nf3 Rcd8 26. h3 Rd6 27. e4 Nc6 28. e5 Nd4 29. Nxd4 Rxd4 30. Qg4 Be4 31. Rg3 g6 32. Bxe4 Rxe4 33. Qh4 Rdd4 34. Rf1 Qxe5 35. Qxh6 Rxf4 36. Rxf4 Qxf4 37. Qxf4 Rxf4 38. Rd3 Rd4 39. Re3 Kf8 40. Kf2 Ke7 41. Kf3 f5 42. g3 Kf6 43. h4 e5 44. Rc3 g5 45. hxg5+ Kxg5 46. Kf2 Kg4 47. Re3 e4 48. Re1 Rd2+ 49. Ke3 Rd3+ 50. Kf2 Rxb3 51. Rh1 e3+ 52. Ke2 Kxg3 53. Rh5 f4 54. Rg5+ Kh4 55. Rg1 Rb2+ 56. Kd3 Rf2 57. Rg6 e2 58. Kd2 f3 59. Rxb6 Rf1 60. Rh6+ Kg5 0-1

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.02.01"]
[Round "5"]
[White "Castillo Coca, Mairebys"]
[Black "Corrales Jimenez, Zenia"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2166"]
[BlackElo "2197"]
[PlyCount "147"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Ne4 4. Bf4 d5 5. e3 Bg7 6. Bd3 Nf6 7. h3 c5 8. c3 b6 9. Ne5 0-0 10. 0-0 Nfd7 11. Nf3 Nc6 12. e4 dxe4 13. Bxe4 Bb7 14. d5 Nce5 15. Nbd2 f5 16. Bc2 Bxd5 17. Re1 Nxf3+ 18. Nxf3 Nf6 19. Ng5 Qd7 20. Qe2 Nh5 21. Bh2 Bf6 22. Ne6 Bxe6 23. Qxe6+ Qxe6 24. Rxe6 Ng7 25. Rc6 Rfd8 26. Rd1 Ne8 27. Kf1 Rxd1+ 28. Bxd1 Rd8 29. Bb3+ Kf8 30. Bf4 g5 31. Bc1 e5 32. a4 Ke7 33. a5 Rb8 34. Be6 Nd6 35. Bd5 Kd7 36. b4 cxb4 37. cxb4 bxa5 38. Ra6 axb4 39. Rxa7+ Kd8 40. Bb2 Rc8 41. Be6 Rc7 42. Ra4 Rb7 43. Bd5 Rb5 44. Ra8+ Kc7 45. Bb3 Ne4 46. Ke1 Nc5 47. Bc4 Rb8 48. Ra7+ Rb7 49. Ra8 Rb8 50. Ra7+ Nb7 51. Bd3 f4 52. Bxh7 Kb6 53. Ra1 Rd8 54. Rb1 Ka5 55. Rc1 Kb5 56. Ke2 Nc5 57. Bg6 Na4 58. Ba1 b3 59. Rb1 Kb4 60. Bf7 Nc5 61. Rc1 Ra8 62. Bc3+ Kb5 63. Bc4+ Kxc4 64. Bxe5+ Kd5 65. Bxf6 Ra2+ 66. Kf3 Rxf2+ 67. Kxf2 Nd3+ 68. Ke2 Nxc1+ 69. Kd2 Na2 70. Bxg5 Ke4 71. Be7 f3 72. gxf3+ Kxf3 73. h4 Kg4 74. Bg5 1/2-1/2

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.01.31"]
[Round "4"]
[White "Fleites Marti, Yuleikys"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2155"]
[BlackElo "2166"]
[PlyCount "41"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. c4 Nc6 6. Qe3 Nf6 7. h3 g6 8. Be2 Bg7 9. 0-0 0-0 10. Rd1 Qc7 11. Nc3 b6 12. Rb1 Rac8 13. b3 Qb7 14. Bb2 Rfe8 15. Bf1 Rcd8 16. g4 Qb8 17. Nd5 Bc8 18. b4 Ne5 19. Nxe5 dxe5 20. Nxe7+ Kh8 21. Rxd8 1-0

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.01.30"]
[Round "3"]
[White "Forgas Moreno, Yaniela"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2130"]
[BlackElo "2166"]
[PlyCount "57"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. f4 0-0 9. Kh1 b5 10. Bf3 Bb7 11. e5 Nd5 12. Nxd5 exd5 13. e6 f5 14. Qd3 g6 15. a4 bxa4 16. Rxa4 Qc8 17. Ra3 a5 18. Rc3 Qd8 19. Re1 Na6 20. Qb5 Nc5 21. Ra3 Qc7 22. Bd2 a4 23. b4 axb3 24. Ba5 Qc8 25. cxb3 Ba6 26. Qc6 Bb7 27. Qxc8 Rfxc8 28. b4 Nd3 29. Rxd3 1-0

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.01.29"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Miranda Rodriguez, Tania"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2166"]
[BlackElo "2129"]
[PlyCount "110"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 b5 8. Qd2 Nbd7 9. a4 b4 10. Na2 d5 11. Be2 Bb7 12. Nxb4 dxe4 13. 0-0 Ne5 14. c3 Bc5 15. Kh1 exf3 16. Nxf3 Qxd2 17. Bxd2 Nxf3 18. Bxf3 Bxf3 19. Rxf3 Bxb4 20. cxb4 Nd5 21. Rb3 Kd7 22. b5 Rhb8 23. Raa3 axb5 24. axb5 Nc7 25. Bf4 Rxa3 26. Rxa3 Rxb5 27. Ra7 e5 28. Bc1 Rd5 29. Be3 Rd1+ 30. Bg1 Rb1 31. Rb7 e4 32. Rb4 e3 33. Re4 Nd5 34. g4 g5 35. b4 Nf4 36. Rxe3 Rxb4 37. Bf2 Rb2 38. Bg3 Rb1+ 39. Be1 Rd1 40. Kg1 Nd3 41. Kf1 Kd6 42. Rxd3+ Rxd3 43. Ke2 Rb3 44. Bd2 f6 45. Kf2 Kd5 46. Ba5 Ke4 47. Bc7 Rb7 48. Bd6 Rb2+ 49. Kg3 Rd2 50. Be7 Rd3+ 51. Kg2 Ke5 52. Bc5 Kf4 53. Be7 Rd2+ 54. Kg1 Kf3 55. h3 Kg3 0-1

[Event "CUB-ch (Women)"]
[Site "Ciudad de Holguin"]
[Date "2011.01.28"]
[Round "1"]
[White "Arribas Robaina, Maritza"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2296"]
[BlackElo "2166"]
[PlyCount "76"]
[EventDate "2011.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 0-0 7. c4 Nc6 8. Nc3 a6 9. Nb3 d6 10. Bg5 h6 11. Bd2 Ne5 12. c5 Nc4 13. Qc1 Nxd2 14. Qxd2 dxc5 15. Qf4 Qd6 16. Qc4 Nd7 17. Rad1 Qe5 18. Bxb7 Bxb7 19. Rxd7 Bc8 20. Nxc5 Rb8 21. Nd3 Qg5 22. Rc7 e5 23. Ne4 Qg4 24. f3 Qe6 25. Qxe6 Bxe6 26. b3 Rb6 27. Rfc1 Rd8 28. R1c6 Rxc6 29. Rxc6 a5 30. Ra6 Rc8 31. Rxa5 Rc2 32. Kf1 f5 33. Nec5 Bf7 34. Ra8+ Kh7 35. Ra7 Kg8 36. Ke1 Bd5 37. Kd1 Rc3 38. Kd2 e4 1-0

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.16"]
[Round "9"]
[White "Castillo Coca, Mairebys"]
[Black "Faife, Yenisleidy"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2166"]
[PlyCount "21"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. 0-0 0-0 6. c3 d6 7. Re1 h6 8. Nbd2 Re8 9. h3 a6 10. Bb3 Be6 11. Bc2 1/2-1/2

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.15"]
[Round "8"]
[White "Sanchez Comesana, Angelica Maria"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1945"]
[BlackElo "2166"]
[PlyCount "108"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 Be7 8. h4 h6 9. Bd2 Nfd7 10. 0-0-0 b5 11. a3 Ne5 12. f4 Nc4 13. Be1 Bd7 14. g4 Nc6 15. Bg2 Qc7 16. Ndxb5 axb5 17. Nxb5 Qb8 18. Qxc4 0-0 19. Qd3 Ne5 20. fxe5 Bxb5 21. Qb3 dxe5 22. Bc3 Rc8 23. Rh3 Be2 24. Qxb8 Raxb8 25. Rd7 Bf6 26. Bf3 Bb5 27. Rd2 Bf1 28. Bg2 Bb5 29. Kd1 Ra8 30. Ke1 Rc4 31. Bb4 Rac8 32. Kd1 Ra8 33. Bd6 Rd8 34. b3 Rc6 35. Bb4 Rcc8 36. c4 Bc6 37. Bc3 Be7 38. b4 Ba4+ 39. Ke1 Rxd2 40. Kxd2 Rxc4 41. Ke1 Bxh4+ 42. Rxh4 Rxc3 43. Rh3 Rc1+ 44. Kf2 Kf8 45. Bf1 Rc2+ 46. Ke1 Rc1+ 47. Kf2 Ke7 48. Ba6 Rc2+ 49. Ke1 Kf6 50. Rf3+ Kg6 51. Be2 f6 52. Bd1 Rc1 53. Rd3 Ra1 54. Ke2 Bb5 0-1

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.14"]
[Round "7"]
[White "Castillo Coca, Mairebys"]
[Black "Balanza Llama, Claudia de la C"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2166"]
[PlyCount "49"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bg5 Nbd7 4. h3 e5 5. e3 g6 6. Be2 Bg7 7. 0-0 0-0 8. c4 e4 9. Nfd2 h6 10. Bh4 c6 11. Nxe4 Qb6 12. Nxd6 Qxb2 13. Nd2 Qa3 14. Bg3 Nb6 15. c5 Nbd5 16. N2c4 Qa6 17. Nb6 Nc3 18. Bxa6 Nxd1 19. Nxa8 bxa6 20. Rfxd1 Nd5 21. e4 Nc3 22. Rd2 Bxd4 23. Rc1 Bg7 24. Nc7 Rd8 25. e5 1-0

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.13"]
[Round "6"]
[White "Perez Rodriguez, Jennifer"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2215"]
[BlackElo "2166"]
[PlyCount "81"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Be3 Bg7 4. Nc3 Nf6 5. h3 0-0 6. Qd2 Re8 7. Nf3 c6 8. Bd3 e5 9. dxe5 dxe5 10. 0-0 Nbd7 11. Rad1 b5 12. Rfe1 Qc7 13. Ne2 Bb7 14. Ng3 a6 15. c3 Rad8 16. Qc1 Nf8 17. Ng5 Ne6 18. Nxe6 Rxe6 19. b4 Red6 20. Bc2 Rxd1 21. Rxd1 Rxd1+ 22. Qxd1 Nd7 23. Bb3 c5 24. Bd5 cxb4 25. cxb4 Bf8 26. a3 Qd6 27. Ne2 Bxd5 28. exd5 a5 29. Nc3 axb4 30. Nxb5 Qa6 31. a4 Qc8 32. Qb3 Bc5 33. Bd2 Nf6 34. Bxb4 Bxb4 35. Qxb4 Qc1+ 36. Kh2 Nxd5 37. Qe4 Nb6 38. a5 Qc5 39. axb6 Qxb6 40. Qxe5 Qxf2 41. Nd6 1-0

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.12"]
[Round "5"]
[White "Castillo Coca, Mairebys"]
[Black "Sanchez, Loyola Anabel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2166"]
[BlackElo "2005"]
[PlyCount "43"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Bc5 4. Nf3 d6 5. c3 Nf6 6. 0-0 h6 7. d4 exd4 8. cxd4 Bb6 9. Re1 0-0 10. h3 d5 11. exd5 Nxd5 12. Nc3 Be6 13. Ne4 Re8 14. Nc5 Bxc5 15. dxc5 Qf6 16. Bxd5 Rad8 17. Qb3 Rxd5 18. Qxb7 Rxc5 19. Qxc7 Rc8 20. Qg3 Nb4 21. Be3 R5c7 22. Bd4 1-0

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.11"]
[Round "4"]
[White "Diaz Suarez, Maibelys"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B95"]
[BlackElo "2166"]
[PlyCount "58"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 Be7 8. h4 h6 9. Be3 Nfd7 10. h5 b5 11. a3 Ne5 12. 0-0-0 Nc4 13. Qg4 Nxe3 14. fxe3 0-0 15. Rh3 Bf6 16. Rg3 Be5 17. Rf3 Bd7 18. Bd3 Nc6 19. Nce2 Rb8 20. Nxc6 Bxc6 21. Rdf1 Bd7 22. Nd4 a5 23. R3f2 b4 24. axb4 Rxb4 25. c3 Rb7 26. Nf3 Qb6 27. Nxe5 Qxe3+ 28. Kc2 dxe5 29. Re2 Ba4+ 0-1

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.10"]
[Round "3"]
[White "Castillo Coca, Mairebys"]
[Black "Gutierrez Garcia, Amanda"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2166"]
[BlackElo "2008"]
[PlyCount "85"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Ne5 Nbd7 6. Nd2 0-0 7. Bd3 Ne8 8. Qh5 f5 9. Ndf3 Ndf6 10. Qh3 c6 11. Nd2 Qc7 12. g4 fxg4 13. Qh4 c5 14. c3 c4 15. Bc2 b5 16. h3 g3 17. Qxg3 b4 18. Rg1 a5 19. h4 a4 20. a3 bxc3 21. bxc3 Qa5 22. Nb1 Qb5 23. Ra2 Ne4 24. Bxe4 dxe4 25. Nd2 Bxe5 26. Bxe5 Ra7 27. Ke2 Qc6 28. Rb2 Nf6 29. Rb4 g6 30. Bd6 Nh5 31. Qh2 Rf5 32. Ke1 Rb7 33. Ke2 Nf6 34. Rxb7 Bxb7 35. Bc5 Nd7 36. Bb4 Kf7 37. Rg5 Qd5 38. Rg4 Nf6 39. Qb8 Nd7 40. Qh8 Rh5 41. Rf4+ Rf5 42. Qxh7+ Ke8 43. Qe7# 1-0

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.09"]
[Round "2"]
[White "Campos Vila, Milena"]
[Black "Castillo Coca, Mairebys"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2223"]
[BlackElo "2166"]
[PlyCount "41"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Qxd4 e6 7. Bc4 Nc6 8. Qe4 Nb6 9. Bb3 d6 10. exd6 Bxd6 11. 0-0 Ne7 12. Rd1 Qc7 13. Qd3 Nbd5 14. c4 Nf4 15. Qxd6 Qxd6 16. Rxd6 Ne2+ 17. Kf1 Nxc1 18. Bc2 b5 19. Rd1 Nxa2 20. Rxa2 bxc4 21. Ba4+ 1-0

[Event "CUB-ch sf (Women)"]
[Site "Santa Clara"]
[Date "2010.11.08"]
[Round "1"]
[White "Fleites Marti, Yuleikys"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2179"]
[BlackElo "2166"]
[PlyCount "44"]
[EventDate "2010.11.08"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. c4 Nc6 6. Qe3 Nf6 7. Be2 e6 8. 0-0 Be7 9. h3 0-0 10. Rd1 Qc7 11. Nc3 a6 12. b3 Rfd8 13. Bb2 Ne5 14. Rac1 h6 15. Nd4 Rac8 16. f4 Ng6 17. f5 Ne5 18. Qg3 Qb6 19. Kh1 Nc6 20. Nf3 Nh5 21. Qg4 Nf6 22. Qg3 Nh5 1/2-1/2

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.11.04"]
[Round "14"]
[White "Castillo Coca, Mairebys"]
[Black "Cordero Suarez, Greisy"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2166"]
[BlackElo "2024"]
[PlyCount "44"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. c3 d6 6. 0-0 a6 7. Bb3 Ba7 8. Bg5 0-0 9. Re1 Be6 10. Bc2 h6 11. Bh4 Re8 12. Nbd2 d5 13. Nf1 dxe4 14. dxe4 Qxd1 15. Raxd1 Rad8 16. Rxd8 Rxd8 17. Rd1 Rxd1 18. Bxd1 g5 19. Bg3 Nxe4 20. Bc2 Nf6 21. Nxe5 Nxe5 22. Bxe5 Nd7 1/2-1/2

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.11.03"]
[Round "13"]
[White "Espinosa Garcia, Sandra"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2132"]
[BlackElo "2166"]
[PlyCount "42"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Bd3 Bd6 7. Bg3 Bxg3 8. hxg3 0-0 9. 0-0 cxd4 10. exd4 Bd7 11. Nbd2 Rc8 12. Re1 Qe7 13. b4 a6 14. a4 Na7 15. Qc2 h6 16. Reb1 b5 17. axb5 Bxb5 18. Bxb5 Nxb5 19. Rb3 Rc6 20. Ne5 Rb6 21. Ndf3 Ne4 1/2-1/2

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.11.02"]
[Round "12"]
[White "Castillo Coca, Mairebys"]
[Black "Fonte Sanchez, Paula"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2166"]
[BlackElo "1971"]
[PlyCount "67"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c3 Nf6 4. Bf4 Bf5 5. e3 e6 6. Ne5 Nbd7 7. Nd2 Be7 8. g4 Bg6 9. h4 h6 10. Nxg6 fxg6 11. Bd3 Nf8 12. Qf3 N6d7 13. Bg3 Qb6 14. 0-0-0 c5 15. Bb1 Rc8 16. dxc5 Nxc5 17. Be5 Na4 18. Nb3 Nd7 19. Bxg7 Rg8 20. Bxg6+ Kd8 21. Qf7 Rxg7 22. Qxg7 Bf6 23. Qg8+ Kc7 24. Qf7 Rf8 25. Qh7 Bxc3 26. bxc3 Rxf2 27. Rd2 Qxe3 28. Be8 Nac5 29. Rhd1 Kd6 30. Bxd7 Ne4 31. Bb5 Qxc3+ 32. Kb1 Rxd2 33. Qd7+ Ke5 34. Qg7+ 1-0

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.31"]
[Round "11"]
[White "Rodriguez Caballero, Mayrelis"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1992"]
[BlackElo "2166"]
[PlyCount "70"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 Nc6 7. Nc3 Nxc3 8. bxc3 d6 9. Bg5 Qa5 10. Qd2 Bd7 11. exd6 Bxd6 12. Bd3 Nb4 13. Be2 Nd5 14. 0-0 Qxc3 15. Qxc3 Nxc3 16. Bd3 0-0 17. Ne5 Bb5 18. Bxb5 Nxb5 19. Nc4 Bc7 20. Rab1 Nxd4 21. Rxb7 Rfc8 22. Be3 Bxh2+ 23. Kxh2 Rxc4 24. Rd1 e5 25. Rd7 Ne6 26. Bxa7 Ra4 27. Be3 Rxa2 28. Re7 h6 29. Rdd7 Rf8 30. Rd5 e4 31. Rb5 Ra6 32. Rb4 f5 33. Rbb7 f4 34. Bd4 Rf5 35. Bb2 Rd6 0-1

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.30"]
[Round "10"]
[White "Castillo Coca, Mairebys"]
[Black "Fonte Sanchez, Claudia"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2166"]
[BlackElo "1984"]
[PlyCount "99"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c3 Nf6 4. Bf4 Bf5 5. Nbd2 e6 6. e3 Bd6 7. Ne5 Ne4 8. Nb3 f6 9. Nd3 0-0 10. Be2 Bg6 11. f3 Ng5 12. Nbc5 Bxc5 13. Nxc5 Qe7 14. 0-0 Nf7 15. Re1 e5 16. Bg3 b6 17. Nb3 Nd7 18. c4 dxc4 19. Bxc4 Kh8 20. Rc1 Nd6 21. Ba6 Nb8 22. Bf1 e4 23. Nd2 f5 24. Qb3 Bf7 25. Qa3 Rd8 26. fxe4 fxe4 27. Be2 Bd5 28. Rf1 Nc8 29. Qxe7 Nxe7 30. Bh4 g5 31. Bxg5 Re8 32. Nc4 Ng6 33. Nd6 Rf8 34. h4 Nd7 35. Bg4 Rxf1+ 36. Rxf1 Ngf8 37. a3 Kg8 38. h5 a5 39. Rf4 Kg7 40. Bf5 h6 41. Bh4 Nf6 42. Bxf6+ Kxf6 43. Bxe4+ Ke6 44. Bxd5+ cxd5 45. Nf7 Nd7 46. Nxh6 Rh8 47. Nf5 Nf6 48. h6 Ng8 49. Ng7+ Kd7 50. Rf8 1-0

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.28"]
[Round "9"]
[White "Pages Roman, Seidy"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1973"]
[BlackElo "2166"]
[PlyCount "84"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. e3 c6 4. Bd3 Nbd7 5. c4 e5 6. Nbd2 g6 7. 0-0 Bg7 8. b3 0-0 9. Bb2 Re8 10. Qc2 Qc7 11. Rac1 Nh5 12. c5 exd4 13. Bxd4 Nxc5 14. Bxc5 dxc5 15. Qxc5 Nf6 16. Bc4 h6 17. Bd3 Nd7 18. Qc2 Ne5 19. Nxe5 Qxe5 20. Nf3 Qf6 21. Rfd1 Bg4 22. Be2 Rad8 23. h3 Bf5 24. Bd3 Bxd3 25. Rxd3 Rxd3 26. Qxd3 Rd8 27. Qc4 Qb2 28. a4 Rd5 29. e4 Rd7 30. b4 a6 31. e5 Bxe5 32. Nxe5 Qxe5 33. Qg4 Qd4 34. Qg3 Qxb4 35. Qb8+ Qf8 36. Qf4 Qd8 37. Qxh6 Rd1+ 38. Rxd1 Qxd1+ 39. Kh2 Qd6+ 40. g3 b5 41. axb5 axb5 42. Qe3 b4 0-1

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.27"]
[Round "8"]
[White "Castillo Coca, Mairebys"]
[Black "Romero Nunez, Wendy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2166"]
[BlackElo "2091"]
[PlyCount "95"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. e6 Qd6 7. exf7+ Bxf7 8. Bd3 Nd7 9. Nc3 e5 10. Bg5 Be7 11. Qd2 h6 12. Bxe7 Nxe7 13. Nge2 0-0-0 14. 0-0-0 Rhf8 15. dxe5 Nxe5 16. f4 Nxg4 17. Nd4 Kb8 18. Rde1 c5 19. Ndb5 Qd7 20. f5 Nxf5 21. Qf4+ Nd6 22. Nxd6 Bh5 23. Nf5+ Ka8 24. Nb5 Rf7 25. Qa4 a6 26. Qa5 c4 27. Qb6 axb5 28. Nd4 Rf6 29. Re6 Rxe6 30. Nxe6 Rc8 31. Bf5 Qe7 32. Nd4 Re8 33. Qa5+ Kb8 34. Nxb5 Qe3+ 35. Kb1 Qc5 36. Bd7 Rf8 37. Qc3 Rf7 38. Bxg4 Bxg4 39. Qe5+ Ka8 40. Qe8+ Bc8 41. Qxf7 Qxb5 42. Qxg7 h5 43. Qe5 Bg4 44. Qd4 b6 45. Re1 Qc6 46. Re7 Kb8 47. Re5 Bf3 48. Qf4 1-0

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.26"]
[Round "7"]
[White "Cordero Suarez, Greisy"]
[Black "Castillo Coca, Mairebys"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2024"]
[BlackElo "2166"]
[PlyCount "48"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 d6 5. d3 g6 6. Be3 Bg7 7. Qd2 Nd4 8. Nd1 Rb8 9. c3 Nc6 10. Ne2 Ne5 11. 0-0 b5 12. h3 Qc7 13. f4 Nc6 14. d4 Na5 15. b3 Ne7 16. Nf2 0-0 17. g4 f5 18. dxc5 dxc5 19. Rad1 Nb7 20. Ng3 a5 21. gxf5 exf5 22. exf5 Nxf5 23. Nxf5 Bxf5 24. Ne4 Kh8 1/2-1/2

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.24"]
[Round "6"]
[White "Castillo Coca, Mairebys"]
[Black "Espinosa Garcia, Sandra"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2166"]
[BlackElo "2132"]
[PlyCount "89"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 a5 9. a4 Ng4 10. Qxg4 Nxd4 11. Qd1 Nxb3 12. cxb3 d6 13. 0-0 Bd7 14. f4 Kh8 15. Qd2 Rc8 16. Rac1 Bc6 17. Rfe1 Qd7 18. h3 Rfd8 19. Kh1 Qe6 20. Bf2 h5 21. Nd5 f5 22. b4 axb4 23. Bd4 fxe4 24. Bxg7+ Kxg7 25. Qd4+ Kh7 26. Nxb4 Bxa4 27. Rxc8 Rxc8 28. Rxe4 Qf6 29. Qxf6 exf6 30. Kh2 Bc6 31. Re6 Rf8 32. Rxd6 Be4 33. g4 hxg4 34. hxg4 Kg7 35. Kg3 Re8 36. Nd3 Kf7 37. Nc5 Bc6 38. Kf2 Ke7 39. Re6+ Kf7 40. Rxe8 Kxe8 41. Ke3 Ke7 42. g5 fxg5 43. fxg5 Kd6 44. Ne4+ Bxe4 45. Kxe4 1/2-1/2

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.23"]
[Round "5"]
[White "Fonte Sanchez, Paula"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1971"]
[BlackElo "2166"]
[PlyCount "96"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 e6 4. g3 d6 5. Bg2 g6 6. Be3 Bg7 7. Qd2 Nd4 8. f4 Ne7 9. Nf3 Nec6 10. a3 Rb8 11. 0-0 0-0 12. Nd1 Nxf3+ 13. Bxf3 Nd4 14. Bg2 b5 15. g4 f5 16. exf5 gxf5 17. g5 Bb7 18. Bxb7 Rxb7 19. Qg2 Rc7 20. c3 Nc6 21. Nf2 Ne7 22. h4 Qe8 23. Qh3 Qh5 24. Kg2 Ng6 25. Rh1 b4 26. Rac1 bxc3 27. bxc3 Rb7 28. Qf3 Qxf3+ 29. Kxf3 Rb3 30. Nd1 Rxa3 31. Rb1 Ra8 32. h5 Nf8 33. Re1 a5 34. Bc1 Ra2 35. Re2 Rxe2 36. Kxe2 a4 37. Ba3 Ra6 38. Rb7 e5 39. Kf3 Ne6 40. h6 Bf8 41. fxe5 dxe5 42. Ne3 Nxg5+ 43. Kg2 Rf6 44. Ra7 Ne6 45. Nd5 Rxh6 46. Rxa4 Rg6+ 47. Kf2 f4 48. Ra7 h5 0-1

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.22"]
[Round "4"]
[White "Castillo Coca, Mairebys"]
[Black "Rodriguez Caballero, Mayrelis"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2166"]
[BlackElo "1992"]
[PlyCount "75"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 d6 5. 0-0 0-0 6. h3 Be6 7. c3 Bxc4 8. dxc4 Nxe4 9. Qc2 Nf6 10. Bg5 h6 11. Bh4 Nbd7 12. b4 Bb6 13. Nbd2 Re8 14. Rad1 a5 15. a3 axb4 16. axb4 Qe7 17. Rfe1 g5 18. Bg3 Nh5 19. Bh2 Ndf6 20. c5 Ba7 21. Nc4 Rad8 22. Nd4 Ng7 23. Nb5 Bb8 24. Na5 c6 25. Nxd6 Bxd6 26. cxd6 Rxd6 27. Rxd6 Qxd6 28. Nxb7 Qe7 29. Na5 Qc7 30. Nc4 Nd7 31. Ne3 Qd6 32. Rd1 Qe6 33. c4 f5 34. c5 f4 35. Rd6 Qf7 36. Ng4 Nf5 37. Qxf5 Qxf5 38. Nxh6+ 1-0

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.21"]
[Round "3"]
[White "Fonte Sanchez, Claudia"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1984"]
[BlackElo "2166"]
[PlyCount "84"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 c6 4. Bg2 g6 5. Nf3 Bg7 6. 0-0 0-0 7. d3 Nbd7 8. Rb1 e5 9. Nd2 a5 10. a3 Nc5 11. b4 Ne6 12. b5 Bd7 13. a4 Ne8 14. Nf3 f5 15. Qc2 f4 16. Ba3 g5 17. bxc6 bxc6 18. Ne4 g4 19. Nfd2 Nd4 20. Qd1 f3 21. exf3 gxf3 22. Bxf3 Nxf3+ 23. Nxf3 Bg4 24. Ned2 Qf6 25. Kg2 Qf5 26. Qe2 Bh6 27. Qe4 Bh3+ 28. Kg1 Qxe4 29. dxe4 Bxf1 30. Kxf1 Ra7 31. Ke2 Raf7 32. Rf1 c5 33. Bc1 Rb7 34. Ba3 Nf6 35. h3 Nd7 36. g4 Bf4 37. Ra1 Nb6 38. Bc1 Rbf7 39. Kd3 Bxd2 40. Nxd2 Rxf2 41. Kc3 Rh2 42. Bb2 Rxh3+ 0-1

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.20"]
[Round "2"]
[White "Castillo Coca, Mairebys"]
[Black "Pages Roman, Seidy"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2166"]
[BlackElo "1973"]
[PlyCount "76"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. 0-0 d6 6. c3 a6 7. Bb3 Ba7 8. h3 h6 9. Nbd2 0-0 10. Re1 Nh5 11. Nf1 Qf6 12. Ne3 Nf4 13. Nd5 Nxd5 14. exd5 Ne7 15. d4 exd4 16. Nxd4 Nf5 17. Nxf5 Bxf5 18. Be3 Bxe3 19. Rxe3 Rfe8 20. Qe2 Kf8 21. Re1 Rxe3 22. Qxe3 Bd7 23. Qg3 Re8 24. Rxe8+ Kxe8 25. Qe3+ Qe5 26. Qa7 Qe1+ 27. Kh2 Ke7 28. Qxb7 Qxf2 29. Qxa6 Qxb2 30. Qc4 Qf2 31. Ba4 g5 32. Bxd7 Kxd7 33. a4 Qe3 34. Qg4+ Kd8 35. Qc4 Qe5+ 36. Kg1 Qe1+ 37. Kh2 Qe5+ 38. Kg1 Qe1+ 1/2-1/2

[Event "Havana Province-ch 1st Cat (Women)"]
[Site "Havana"]
[Date "2010.10.19"]
[Round "1"]
[White "Romero Nunez, Wendy"]
[Black "Castillo Coca, Mairebys"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2091"]
[BlackElo "2166"]
[PlyCount "126"]
[EventDate "2010.10.19"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. Nc3 Bc5 6. Bf4 Nbc6 7. Qd2 d6 8. 0-0-0 Be6 9. Nd5 Qd7 10. Be3 Bxe3 11. Nxe3 f5 12. f4 Ng6 13. exf5 Bxf5 14. Nxf5 Qxf5 15. Bd3 Qf6 16. Re1+ Nge7 17. Nf3 0-0-0 18. Ng5 g6 19. Re6 Qg7 20. Rhe1 Nf5 21. Bxf5 gxf5 22. Qd5 h6 23. Nf3 Qxg2 24. Qxf5 Kb8 25. Nh4 Qxh2 26. Qf6 Rhg8 27. R6e2 Qg3 28. Re3 Qg4 29. Qxh6 a6 30. Nf3 Rgf8 31. Qg5 Qxf4 32. Qxf4 Rxf4 33. b3 Rdf8 34. Ng5 Rf2 35. Ne6 Rg8 36. R3e2 Rgg2 37. Kd2 Ne5 38. Rxf2 Rxf2+ 39. Re2 Rf3 40. Re3 Rf6 41. Ng5 b5 42. Ne4 Rf5 43. cxb5 axb5 44. Kc3 Kb7 45. a3 Kb6 46. Ng3 Rf2 47. Ne2 Ng4 48. Re4 Rf3+ 49. Kc2 Ne3+ 50. Kd2 Nd5 51. Kc2 c5 52. Re8 Re3 53. Rxe3 Nxe3+ 54. Kd3 Nf5 55. Nc3 Kc6 56. a4 bxa4 57. Nxa4 d5 58. Kc3 Kb5 59. Nb2 d4+ 60. Kd3 Kb4 61. Na4 c4+ 62. bxc4 Kxa4 63. Ke4 Kb4 0-1

[Event "Capablanca Memorial op 45th"]
[Site "Havana"]
[Date "2010.06.20"]
[Round "10"]
[White "Castillo Coca, Mairebys"]
[Black "Juarez Flores, Carlos Armando"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2106"]
[BlackElo "2374"]
[PlyCount "55"]
[EventDate "2010.06.10"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Qb6 4. Qc1 Bf5 5. e3 e6 6. Nbd2 h6 7. c4 c5 8. Be2 Nc6 9. dxc5 Bxc5 10. a3 d4 11. b4 dxe3 12. fxe3 Bxe3 13. c5 Bxd2+ 14. Nxd2 Qd8 15. Nc4 Nd4 16. Nd6+ Kf8 17. Bd1 Ne7 18. Qb2 Nec6 19. b5 Qf6 20. Ra2 Ne5 21. 0-0 Nd3 22. Qd2 Nxc5 23. Be3 Nxb5 24. Nxf5 exf5 25. Bxc5+ Kg8 26. Qd3 Nc3 27. Bd4 Rd8 28. Rd2 1-0

