[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.02.03"]
[Round "9"]
[White "Gonzalez Parra, Harold Manuel"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2314"]
[BlackElo "2238"]
[PlyCount "30"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. e3 g6 5. d4 Bg7 6. Bd3 0-0 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Rd1 Nbd7 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Nb6 14. b3 Qf6 15. Qe2 Rfd8 1/2-1/2

[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.02.02"]
[Round "8"]
[White "Perez, Isael"]
[Black "Leyva Rivera, Yunier"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2238"]
[BlackElo "2288"]
[PlyCount "198"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Be2 Nbd7 7. 0-0 c5 8. c3 Re8 9. Re1 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. Bf4 Re7 13. Bf3 Be6 14. Rc1 Rd7 15. Be5 Qe7 16. Qe2 Rad8 17. a3 Bf5 18. Bf4 Ne4 19. Rcd1 h5 20. h3 a6 21. g4 Nxd2 22. Rxd2 hxg4 23. hxg4 Be6 24. Red1 d4 25. exd4 cxd4 26. cxd4 Bxd4 27. Be3 Bb3 28. Re1 Bxe3 29. Rxd7 Bxf2+ 30. Qxf2 Qxd7 31. Qb6 Qd4+ 32. Qxd4 Rxd4 33. Kf2 b6 34. Ke3 Rd6 35. Rc1 g5 36. Rc7 Kg7 37. Rb7 Kf6 38. Rb8 a5 39. Rb7 Ke5 40. Re7+ Be6 41. Rb7 f5 42. gxf5 Bxf5 43. Be2 Rh6 44. Re7+ Kf6 45. Rb7 Rh3+ 46. Kd2 Rb3 47. Kc1 g4 48. Bc4 g3 49. Rf7+ Kg6 50. Rf8 Rf3 51. Bd5 Rf2 52. Rg8+ Kf6 53. Rxg3 Rc2+ 54. Kd1 Rxb2 55. Re3 b5 56. Bg8 b4 57. axb4 axb4 58. Bd5 Kg5 59. Kc1 Rc2+ 60. Kd1 Rc5 61. Bb3 Kf4 62. Re1 Rc3 63. Bf7 b3 64. Bxb3 Rxb3 65. Kd2 Be4 66. Rf1+ Ke5 67. Ra1 Rb2+ 68. Kc3 Rc2+ 69. Kb3 Rc8 70. Kb2 Kd4 71. Ra4+ Kd3 72. Ra3+ Kd2 73. Kb3 Kd3 74. Kb2+ Kd4 75. Ra4+ Ke3 76. Rb4 Bd3 77. Rb7 Rc2+ 78. Kb3 Rc1 79. Re7+ Kd2 80. Kb4 Rc4+ 81. Ka5 Kc3 82. Kb6 Rh4 83. Kc6 Bc4 84. Kc5 Rh5+ 85. Kc6 Kb4 86. Rd7 Rh6+ 87. Rd6 Rh8 88. Rg6 Ra8 89. Rg5 Ra6+ 90. Kd7 Kc3 91. Ke7 Kd4 92. Rh5 Bd3 93. Kd7 Be4 94. Ke7 Ke3 95. Rh4 Rb6 96. Kf7 Kd4 97. Rh8 Ke5 98. Re8+ Kf5 99. Ke7 Bd5 1/2-1/2

[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.01.31"]
[Round "6"]
[White "Gongora Reyes, Liuber"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2257"]
[BlackElo "2238"]
[PlyCount "100"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 0-0 8. Qd2 Nd7 9. 0-0-0 Nc5 10. Re1 Bf6 11. h4 Re8 12. Ng5 h6 13. Bc4 Be6 14. Nxe6 Nxe6 15. Kb1 d5 16. Qxd5 Qxd5 17. Bxd5 c6 18. Bf3 a6 19. g3 Re7 20. Bb6 g6 21. Re3 Rae8 22. Rhe1 h5 23. c4 Rd7 24. Rd1 Rde7 25. c3 Kg7 26. Kc2 Kg8 27. Bg2 Bg7 28. Rde1 Bh6 29. f4 Bf8 30. b4 f5 31. a4 Kf7 32. b5 Rc8 33. bxa6 bxa6 34. a5 Ng7 35. Bf1 Rxe3 36. Rxe3 Ne6 37. Re1 Nc5 38. Re5 Nd7 39. Re1 Nc5 40. Bg2 Bd6 41. Bf3 Kf6 42. Re3 Kf7 43. Re1 Kf6 44. Bg2 Kf7 45. Bh1 Kf6 46. Bf3 Kf7 47. Rb1 Ke6 48. Ba7 Ke7 49. Rb2 Ke6 50. Rb1 Ke7 1/2-1/2

[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.01.29"]
[Round "5"]
[White "Perez, Isael"]
[Black "Parra Cabrera, Edilmar"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2238"]
[BlackElo "2244"]
[PlyCount "37"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. e3 b6 6. Bd3 Bb7 7. 0-0 c5 8. Nb3 cxd4 9. exd4 d5 10. Bg5 Nbd7 11. Rc1 dxc4 12. Rxc4 Bxf3 13. Qxf3 Be7 14. Rfc1 a6 15. Qh3 h6 16. Bxh6 gxh6 17. Qxh6 Re8 18. d5 Nf8 19. Rh4 1-0

[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.01.28"]
[Round "4"]
[White "Rosabal Contreras, Yonisbel"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2339"]
[BlackElo "2238"]
[PlyCount "115"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Nf6 9. Nc3 0-0 10. h3 Nb4 11. Be2 dxc4 12. Bxc4 Nbd5 13. Re1 c6 14. Bg5 Be6 15. Bd3 Re8 16. Ne5 h6 17. Bh4 Nxc3 18. bxc3 Nd5 19. Bxe7 Qxe7 20. Qc1 Qg5 21. Qxg5 hxg5 22. Rec1 Re7 23. a4 f6 24. Nc4 Kf8 25. Bf1 c5 26. Rab1 cxd4 27. cxd4 Rc8 28. Nd6 Rxc1 29. Rxc1 Rd7 30. Ne4 b6 31. Rc8+ Ke7 32. Bb5 Rd8 33. Rc1 Bd7 34. Re1 Kf8 35. Bxd7 Rxd7 36. a5 Nf4 37. axb6 axb6 38. g3 Nd3 39. Rb1 Rxd4 40. Nc3 Rb4 41. Rd1 Ne5 42. Rd8+ Kf7 43. Rb8 Nd7 44. Rd8 Ne5 45. Rb8 Rb3 46. Ne4 Nd7 47. Rd8 Nc5 48. Nxc5 bxc5 49. Rc8 Rc3 50. Rc7+ Kg6 51. g4 c4 52. Kg2 Kh6 53. Rc6 Kh7 54. Kf1 Kg8 55. Rc7 Rc2 56. Ke1 g6 57. Kf1 Kf8 58. Ke1 1/2-1/2

[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.01.27"]
[Round "3"]
[White "Perez, Isael"]
[Black "Gongora Reyes, Maikel"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2238"]
[BlackElo "2387"]
[PlyCount "135"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Be2 d5 6. 0-0 Bd6 7. Nc3 0-0 8. b3 Nbd7 9. Bb2 a6 10. Rc1 Qe7 11. Qc2 Ne4 12. Nxe4 dxe4 13. Ne5 Nxe5 14. dxe5 Bc5 15. Rcd1 Rfd8 16. Rxd8+ Rxd8 17. Rd1 a5 18. Bc3 Bc6 19. a4 Rd7 20. Rxd7 Qxd7 21. Kf1 Kf8 22. Ke1 Qd8 23. Qd2 Qg5 24. Kf1 Ke8 25. Qd1 Qe7 26. Bb2 Qh4 27. h3 Bd7 28. Bc3 Kd8 29. Qd2 Kc8 30. Bxa5 Bxa4 31. bxa4 bxa5 32. Qxa5 Qe7 33. Qa8+ Kd7 34. Qxe4 Bb6 35. Qxh7 f6 36. Qd3+ Kc8 37. Bf3 fxe5 38. Kg1 Qb4 39. Qc2 Bc5 40. Kh2 Bd6 41. g3 Kd7 42. Kg2 Be7 43. h4 c6 44. Qa2 Bd8 45. Qc2 Be7 46. Bd1 Qe1 47. Qd3+ Kc7 48. Bg4 Qb4 49. Bxe6 Qd6 50. Qxd6+ Kxd6 51. Bf7 Bd8 52. Kf3 Ba5 53. g4 Be1 54. g5 e4+ 55. Kxe4 Bxf2 56. h5 Be1 57. Kf5 Bc3 58. Be8 Kc5 59. e4 Kxc4 60. Bxc6 Kc5 61. Bb5 Kd6 62. Kg6 Ke7 63. a5 Bxa5 64. Kxg7 Bc3+ 65. Kg6 Kf8 66. Bc4 Ke7 67. h6 Bd2 68. e5 1-0

[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.01.26"]
[Round "2"]
[White "Rodriguez, Dagoberto"]
[Black "Perez, Isael"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2218"]
[BlackElo "2238"]
[PlyCount "112"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 Bg4 7. Qb3 Na5 8. Qa4+ Nd7 9. Nd2 a6 10. Ngf3 Nc6 11. Qc2 Bh5 12. 0-0 Bg6 13. Rfe1 Bxd3 14. Qxd3 e6 15. Ng5 Qf6 16. Qg3 h6 17. Ngf3 g5 18. Bc7 Bg7 19. Re3 Ne7 20. Re2 Rc8 21. Be5 Nf5 22. Qg4 Nxe5 23. Nxe5 h5 24. Qf3 Nd6 25. Qe3 Qf5 26. Rae1 Rc7 27. Nf1 Qf4 28. Qd3 Bxe5 29. Rxe5 Kd8 30. Nd2 Kc8 31. Qe3 Qxe3 32. fxe3 Rg8 33. e4 dxe4 34. Re2 f5 35. Rxe6 Kd7 36. Rh6 h4 37. c4 Ke7 38. a4 Nf7 39. Rb6 Rd8 40. d5 Rd6 41. Rb4 Ne5 42. a5 Nd3 43. Rb6 Rcd7 44. Nf1 Kf6 45. Rxd6+ Rxd6 46. Ne3 f4 47. Ng4+ Kf5 48. h3 e3 49. Nh2 Ne5 50. b3 Ke4 51. Kf1 Kd3 52. Ke1 Kc3 53. Nf1 Nd3+ 54. Kd1 Kxb3 55. Nxe3 fxe3 56. Rxe3 Kxc4 0-1

[Event "Jose Marti Memorial"]
[Site "Las Tunas"]
[Date "2003.01.25"]
[Round "1"]
[White "Perez, Isael"]
[Black "Tineo, Federico"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2238"]
[BlackElo "2144"]
[PlyCount "111"]
[EventDate "2003.01.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 c5 2. d5 g6 3. Nc3 Bg7 4. Nf3 Bxc3+ 5. bxc3 f5 6. g3 d6 7. Bg2 Qa5 8. 0-0 Nf6 9. c4 Nbd7 10. Qd3 Nb6 11. Bb2 Bd7 12. Ng5 Qb4 13. Bxf6 exf6 14. Ne6 Kf7 15. Rfb1 Qa4 16. e4 fxe4 17. Qxe4 Rab8 18. Bf1 Rbe8 19. Re1 Qa6 20. Qf4 Bxe6 21. dxe6+ Ke7 22. Re3 Qa4 23. Rd1 Qc6 24. Bg2 Qc7 25. h4 Ref8 26. Rb1 h6 27. a4 Rb8 28. a5 Na4 29. Reb3 b5 30. Rxb5 Rxb5 31. cxb5 Nc3 32. b6 axb6 33. axb6 Qb8 34. Re1 Qxb6 35. Qg4 Rg8 36. h5 Qb4 37. Qf3 d5 38. hxg6 Qd4 39. Re3 Ne4 40. Qh5 Qa1+ 41. Kh2 Nxf2 42. Qxd5 Ng4+ 43. Kh3 Nf2+ 44. Kh4 Qd4+ 45. Qxd4 cxd4 46. Re2 Nd1 47. Kh5 Ne3 48. Bh3 f5 49. c3 d3 50. Rxe3 d2 51. Rd3 Rd8 52. Rxd2 Rxd2 53. g7 Rd8 54. Bxf5 Kf6 55. Kxh6 Rd1 56. Bg6 1-0

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.08.03"]
[Round "10"]
[White "Perez, Isael"]
[Black "Garcia, Omar Alejandro"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2264"]
[BlackElo "2336"]
[PlyCount "34"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Nbd7 8. Nc3 h6 9. Bh4 Qxe2+ 10. Bxe2 c6 11. 0-0-0 Be7 12. Rhe1 Kd8 13. Bf1 Re8 14. Ne4 Nxe4 15. Bxe7+ Rxe7 16. Rxe4 Rxe4 17. dxe4 Kc7 1/2-1/2

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.08.02"]
[Round "9"]
[White "Garcia, Omar Alejandro"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2336"]
[BlackElo "2264"]
[PlyCount "27"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 13. Ng5 Rf8 14. Nf3 1/2-1/2

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.08.01"]
[Round "8"]
[White "Gongora Reyes, Maikel"]
[Black "Perez, Isael"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2406"]
[BlackElo "2264"]
[PlyCount "142"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Nb4 9. Be2 0-0 10. a3 Nc6 11. Nc3 Nxc3 12. bxc3 Be6 13. cxd5 Bxd5 14. Be3 Na5 15. Qa4 b6 16. c4 Bc6 17. Qc2 Bf6 18. Rad1 Qe8 19. d5 Ba4 20. Qf5 Qd7 21. Qxd7 Bxd7 22. Bf4 Rfe8 23. Bd3 c5 24. Rb1 h6 25. h3 Rad8 26. Rfc1 Ba4 27. Bc7 Rc8 28. d6 Bd7 29. Re1 Kf8 30. Kf1 g6 31. Red1 Bd8 32. Bxd8 Rcxd8 33. Be2 Ba4 34. Rd2 Re6 35. d7 Rxd7 36. Rxd7 Bxd7 37. Ne1 Rd6 38. Nc2 Be6 39. Ne3 Rd4 40. Rc1 f5 41. g3 f4 42. gxf4 Bxh3+ 43. Kg1 Be6 44. Kg2 Rxf4 45. Kg3 Rd4 46. Bg4 Bf7 47. Be2 Kg7 48. Rc3 h5 49. f4 Kf6 50. Kf3 Be6 51. Bf1 Rd2 52. Rd3 Rxd3 53. Bxd3 Nb7 54. Be4 Nd6 55. Bd5 Bxd5+ 56. Nxd5+ Ke6 57. Ne3 Kf7 58. Ke2 g5 59. fxg5 Kg6 60. Kf3 Kxg5 61. a4 h4 62. Nd5 Nxc4 63. Nc7 Kf5 64. Nb5 Nb2 65. a5 bxa5 66. Nxa7 a4 67. Nb5 Nc4 68. Nc3 a3 69. Ke2 Kf4 70. Kd3 Nd6 71. Kc2 Kf3 0-1

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.07.31"]
[Round "7"]
[White "Perez, Isael"]
[Black "Gongora Reyes, Maikel"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2264"]
[BlackElo "2406"]
[PlyCount "156"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Ne5 Bd7 9. Nxd7 Qxd7 10. e3 a6 11. 0-0 b5 12. Qc2 Bxd2 13. Nxd2 0-0 14. Ne4 h6 15. b3 Ncb4 16. Qe2 cxb3 17. axb3 Qe7 18. Nc5 c6 19. Rfc1 a5 20. e4 Nb6 21. Qe3 Rfd8 22. Qc3 Ra7 23. h4 Nd7 24. Nd3 Nxd3 25. Qxd3 Qb4 26. Qe3 Ra6 27. e5 Nb8 28. Rd1 a4 29. bxa4 Rxa4 30. Rxa4 Qxa4 31. Bf3 Qb4 32. Be4 Qa4 33. Rd2 Qa1+ 34. Kh2 b4 35. Rd3 Qb2 36. Kg2 Rd7 37. Rd2 Qc3 38. Kf3 Kf8 39. Qxc3 bxc3 40. Rc2 Rxd4 41. Rxc3 Rd8 42. Ke3 Rc8 43. Kd4 Ke7 44. Rb3 Nd7 45. Rb7 Kd8 46. f4 Rc7 47. Rb3 Kc8 48. Kc4 h5 49. Ra3 Kd8 50. Ra1 c5 51. Ra8+ Ke7 52. Ra6 g6 53. Bf3 Nb8 54. Rb6 Rc8 55. Rb7+ Kf8 56. Rb6 Ke7 57. Rb7+ Nd7 58. Ra7 Kd8 59. Be4 Nb6+ 60. Kc3 Rc7 61. Ra3 Ke7 62. Rb3 Nc8 63. Kc4 Kd7 64. Rb5 Ne7 65. Rb8 Nc6 66. Ra8 Nd4 67. Ra2 Ke7 68. Ra3 Kd7 69. Ra2 Nf5 70. Ra3 Ke7 71. Rb3 Nh6 72. Ra3 Kf8 73. Rb3 Ng4 74. Bf3 Kg7 75. Be4 Nh6 76. Ra3 Rc8 77. Bf3 Ng4 78. Be2 Nh2 1/2-1/2

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.07.30"]
[Round "5"]
[White "Illas Pueyo, Leonardo"]
[Black "Perez, Isael"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2243"]
[BlackElo "2264"]
[PlyCount "135"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. b3 Bg4 5. Bb2 e6 6. Nf3 Nbd7 7. 0-0 Bd6 8. d3 0-0 9. Nbd2 Qe7 10. Qc2 Rfd8 11. e4 dxe4 12. dxe4 e5 13. h3 Bxf3 14. Nxf3 a5 15. Rfd1 Nc5 16. Nh4 g6 17. Rd2 Bc7 18. Rad1 Rxd2 19. Rxd2 Rd8 20. Re2 Qd7 21. Nf3 Qd1+ 22. Kh2 Qxc2 23. Rxc2 Nd3 24. Re2 Nxb2 25. Rxb2 Rd1 26. Rd2 Ra1 27. Ng1 Kf8 28. Ne2 Ke7 29. Nc3 Rc1 30. Ne2 Re1 31. Nc3 Bb6 32. g4 Bd4 33. g5 Nh5 34. Nd1 Nf4 35. Bf3 Ne6 36. h4 Nc5 37. Nb2 Nxe4 38. Bxe4 Rxe4 39. Kg3 Re1 40. Nd3 Rg1+ 41. Kh2 Ra1 42. Kg2 Ke6 43. Nf4+ Kf5 44. Ne2 c5 45. Kf3 e4+ 46. Kg2 Ke5 47. Ng3 Re1 48. Ne2 Rb1 49. f4+ exf3+ 50. Kxf3 Rf1+ 51. Kg3 f5 52. gxf6 Rxf6 53. Nc1 Ke4 54. Rg2 Be3 55. Ne2 Rf3+ 56. Kh2 Kd3 57. h5 gxh5 58. Ng1 Rf2 59. Nh3 Rxg2+ 60. Kxg2 Kc2 61. Kf3 Bc1 62. Ke2 Kb2 63. Kd3 Kxa2 64. Kc2 Be3 65. Kc3 Ka3 66. Kd3 Kxb3 67. Kxe3 a4 68. Kd2 0-1

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.07.30"]
[Round "6"]
[White "Perez, Isael"]
[Black "Illas Pueyo, Leonardo"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2264"]
[BlackElo "2243"]
[PlyCount "68"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bf4 Nc6 6. e3 0-0 7. Be2 Nh5 8. Bg5 f5 9. d5 Nb8 10. Nd4 Nf6 11. Qc2 Na6 12. 0-0-0 Bd7 13. h4 c5 14. dxc6 bxc6 15. h5 c5 16. Nb3 Nb4 17. Qb1 Rb8 18. hxg6 hxg6 19. g4 Qb6 20. Nd2 Nxg4 21. a3 Nc6 22. Bxg4 fxg4 23. Rh6 Bf5 24. e4 Bxc3 25. bxc3 Qxb1+ 26. Nxb1 Rxb1+ 27. Kxb1 Bxe4+ 28. Kc1 Rxf2 29. Re1 Bf5 30. Bxe7 Nxe7 31. Rxe7 g3 32. Rhh7 Rh2 33. Rhg7+ Kh8 34. Rgf7 Kg8 1/2-1/2

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.07.29"]
[Round "4"]
[White "Gongora Reyes, Liuber"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2177"]
[BlackElo "2264"]
[PlyCount "103"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. d5 Nb8 13. Nf1 Nbd7 14. N3h2 Nc5 15. Bc2 c6 16. b4 Ncd7 17. dxc6 Bxc6 18. Bg5 Qc7 19. Ng3 g6 20. Bb3 h6 21. Bxf6 Nxf6 22. Ng4 Bg7 23. Qf3 Nxg4 24. hxg4 Rad8 25. Rad1 Qe7 26. Nf1 Qf6 27. Qe2 Rd7 28. Bd5 Bxd5 29. Rxd5 Rc8 30. Rd3 Qe6 31. Ne3 Bf6 32. Nd5 Bd8 33. a4 Rb7 34. Ra1 Bb6 35. Rh3 g5 36. g3 Kg7 37. Kg2 Rbb8 38. Rhh1 Rc4 39. Qf3 Qg6 40. axb5 axb5 41. Ra6 Bd8 42. Ne3 Qxe4 43. Nxc4 Qxf3+ 44. Kxf3 bxc4 45. Rxd6 Bf6 46. Ke4 Ra8 47. b5 Ra2 48. Rb1 Rxf2 49. b6 Be7 50. Rc6 Re2+ 51. Kd5 Rd2+ 52. Kxc4 1-0

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.07.28"]
[Round "3"]
[White "Perez, Isael"]
[Black "Gongora Reyes, Liuber"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2264"]
[BlackElo "2177"]
[PlyCount "104"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 Nc6 5. Nbd2 cxd4 6. cxd4 Be7 7. e3 0-0 8. Be2 Nd5 9. Bxe7 Qxe7 10. 0-0 b6 11. Nc4 Bb7 12. Rc1 f5 13. Nfe5 Nd8 14. Qb3 d6 15. Nd3 Rf6 16. Bf3 Rh6 17. Qd1 Qh4 18. h3 Nf7 19. Bxd5 Bxd5 20. Nf4 Bb7 21. Nd2 e5 22. Nf3 Qd8 23. dxe5 dxe5 24. Qxd8+ Rxd8 25. Ne2 Bxf3 26. gxf3 Rxh3 27. Rc7 f4 28. Kg2 Rh6 29. exf4 Rg6+ 30. Kh2 exf4 31. Nxf4 Rf6 32. Nh3 a5 33. f4 h6 34. Rfc1 Rd2 35. R1c2 Rfd6 36. Kg2 R6d3 37. Ng1 Nd6 38. Nf3 Rxc2 39. Rxc2 Nf5 40. Rc8+ Kh7 41. Rb8 Rd6 42. Rb7 Kg6 43. Ne5+ Kh5 44. Nc4 Rd4 45. Ne3 Rxf4 46. Nxf5 Rxf5 47. Rxb6 g5 48. a4 Rf7 49. Kg3 Rd7 50. b3 Rd3+ 51. f3 Rc3 52. Rb5 Rd3 1/2-1/2

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.07.28"]
[Round "2"]
[White "Tineo, Federico"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2109"]
[BlackElo "2264"]
[PlyCount "124"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. c3 Bb6 9. Re1 h6 10. Nbd2 0-0 11. h3 Be6 12. Bc2 Nh7 13. Nf1 Ne7 14. d4 Ng6 15. Ng3 Nh4 16. Be3 a5 17. d5 Bd7 18. Bxb6 cxb6 19. Nh2 Qg5 20. Re3 Rac8 21. Bd3 Rc5 22. Nf3 Nxf3+ 23. Rxf3 Qd8 24. Bf1 g6 25. Qd2 Kg7 26. b4 Rc8 27. Rb1 a4 28. c4 bxc4 29. b5 Rc5 30. Rb4 Qc7 31. Rc3 Rc8 32. Qb2 Qa7 33. f4 exf4 34. Ne2 Kg8 35. Nd4 Ng5 36. Nc6 Bxc6 37. dxc6 Qe7 38. Rcxc4 Rxc4 39. Rxc4 Nxe4 40. Qd4 Nc5 41. Qxf4 d5 42. Rc2 h5 43. Qd4 Rd8 44. Re2 Qd6 45. Re3 Qc7 46. Qf6 Ne4 47. Qd4 Nc5 48. Be2 Qd6 49. Bf3 a3 50. Kh1 Kh7 51. Qxd5 Qf6 52. Qe5 Kg7 53. Qxf6+ Kxf6 54. Rxa3 Ke5 55. Ra7 f5 56. h4 Ne6 57. a4 Rd4 58. a5 Rxh4+ 59. Kg1 bxa5 60. b6 Rb4 61. b7 Kf4 62. Ra8 Rb1+ 1-0

[Event "Las Tunas"]
[Site "Las Tunas"]
[Date "2002.07.27"]
[Round "1"]
[White "Perez, Isael"]
[Black "Tineo, Federico"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2264"]
[BlackElo "2109"]
[PlyCount "73"]
[EventDate "2002.07.27"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. e3 0-0 6. Be2 d6 7. 0-0 Nbd7 8. c3 b6 9. a4 Bb7 10. Bh4 Re8 11. Re1 h6 12. Nc4 g5 13. Bg3 Ne4 14. Nfd2 Nxg3 15. hxg3 d5 16. Na3 a6 17. Nf3 c4 18. g4 Nf6 19. Nd2 Qd7 20. e4 b5 21. e5 Nh7 22. axb5 axb5 23. Nf1 Bc6 24. Ng3 Reb8 25. Nc2 Nf8 26. Nh5 Ne6 27. Qd2 Ra4 28. Nb4 Rba8 29. Rxa4 Rxa4 30. Bd1 Ra1 31. Bc2 Rxe1+ 32. Qxe1 Nd8 33. Bf5 Qa7 34. e6 f6 35. Qb1 Bf8 36. Bh7+ Kh8 37. Qg6 1-0

[Event "Villa Clara Ajeduni op"]
[Site "Villa Clara"]
[Date "1999.??.??"]
[Round "?"]
[White "Bezanilla Sanchez, Alexis"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2300"]
[BlackElo "2291"]
[PlyCount "129"]
[EventDate "1999.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Na6 9. Be3 Nc5 10. f3 Re8 11. Qd2 c6 12. Nc2 Qe7 13. Rad1 Bf8 14. Rfe1 Ne6 15. Bf1 b6 16. b4 Bb7 17. b5 cxb5 18. Nxb5 Red8 19. Nb4 Qd7 20. Qb2 Ne8 21. Nd5 Bxd5 22. cxd5 Nc5 23. Nd4 Bg7 24. Bb5 Qe7 25. Qd2 Qf8 26. Nc6 Rdc8 27. Bg5 f6 28. Bh4 Nc7 29. Bc4 Kh8 30. f4 b5 31. Bf1 Nd7 32. Bf2 Nb6 33. Nxa7 Rxa7 34. Bxb6 Rb7 35. Bf2 b4 36. Rb1 Rcb8 37. Bc4 Qe8 38. Bg3 Qd8 39. Re3 Ne8 40. h4 Qc7 41. Bb3 Rc8 42. Rbe1 Bh6 43. Qe2 Ng7 44. Bh2 Nh5 45. Qf2 Bf8 46. e5 f5 47. Bd1 Ng7 48. h5 gxh5 49. Bg3 Rb5 50. Bh4 dxe5 51. fxe5 Rxd5 52. Bb3 Rc5 53. Bf6 Rc3 54. Qxf5 Rd8 55. Kh1 Rd2 56. Qe6 Rxb3 57. Qxb3 h6 58. Rg3 h4 59. Rg6 Kh7 60. Rxh6+ Kxh6 61. Qe3+ Kg6 62. Qxd2 Ne6 63. Qd3+ Kf7 64. Rf1 Qc3 65. Bxh4+ 1-0

[Event "Las Tunas provincial"]
[Site "Las Tunas"]
[Date "1999.??.??"]
[Round "?"]
[White "Marrero Lopez, Yaniet"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2082"]
[BlackElo "2291"]
[PlyCount "139"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nc6 6. Be3 Qc7 7. Nc3 a6 8. a4 Nf6 9. f4 Bb4 10. Bd3 d5 11. e5 Nd7 12. 0-0 Ne7 13. Qg4 g6 14. Ne2 h5 15. Qh4 Nf5 16. Bxf5 gxf5 17. Ned4 Nf8 18. Rf3 Ng6 19. Qf2 Bd7 20. c3 Be7 21. Nc2 Bh4 22. Qe2 Be7 23. Qf2 Kf8 24. Bb6 Qc8 25. Bc5 Qc7 26. Bb6 Qc8 27. Bc5 h4 28. Bxe7+ Kxe7 29. Qc5+ Qxc5+ 30. Nxc5 b6 31. Nd3 a5 32. Nd4 Rhb8 33. Nc1 b5 34. axb5 Bxb5 35. b4 a4 36. Nxb5 Rxb5 37. Ne2 Rb7 38. Rff1 Kd7 39. Kf2 Kc7 40. Ke3 Kb6 41. Nd4 Rba7 42. Ra3 Nf8 43. Rfa1 Nd7 44. Nf3 Kb5 45. Kd3 Nb6 46. Nd4+ Ka6 47. b5+ Kb7 48. Nc6 Nc4 49. R3a2 Kb6 50. Nxa7 Rxa7 51. Rb1 Kc5 52. Rb4 Nb6 53. Ke3 Ra8 54. Kf3 a3 55. Rb3 Nc4 56. b6 Kc6 57. b7 Rb8 58. g3 hxg3 59. Kxg3 Kd7 60. h4 Ke7 61. h5 f6 62. exf6+ Kxf6 63. Kh4 Kf7 64. Re2 Nd6 65. h6 Ne4 66. Rg2 Rh8 67. Rg7+ Kf6 68. Kh5 a2 69. b8Q Ng3+ 70. Kh4 1-0

[Event "Las Tunas provincial"]
[Site "Las Tunas"]
[Date "1999.??.??"]
[Round "?"]
[White "Perez, Isael"]
[Black "Arias Garcia, Vladimir"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2291"]
[BlackElo "2155"]
[PlyCount "79"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. a3 Bxc3+ 6. Qxc3 Bb7 7. Bg5 d6 8. f3 Nbd7 9. Nh3 h6 10. Bh4 Qe7 11. Bf2 e5 12. e4 0-0 13. d5 a5 14. Be2 a4 15. 0-0 Bc8 16. Be3 Ra5 17. Nf2 Re8 18. Nd3 Nc5 19. Nxc5 dxc5 20. Rae1 Ra8 21. Bd3 Nd7 22. Kh1 Qd6 23. g3 c6 24. f4 cxd5 25. exd5 e4 26. Be2 Nf6 27. f5 Bb7 28. Rd1 Rac8 29. Bf4 Qd8 30. Qe3 Nd7 31. g4 b5 32. g5 hxg5 33. Bxg5 f6 34. Bh6 Re7 35. Rg1 g5 36. fxg6 Ne5 37. Bf4 Nxc4 38. Qh3 Rg7 39. Qe6+ Kh8 40. Rg3 1-0

[Event "Las Tunas provincial"]
[Site "Las Tunas"]
[Date "1999.??.??"]
[Round "?"]
[White "Perez, Isael"]
[Black "Perea, Osmany"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2291"]
[BlackElo "2321"]
[PlyCount "78"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. Nh3 h6 9. Bh4 c5 10. e3 d5 11. dxc5 Nbd7 12. cxd5 Nxd5 13. Bxd8 Nxc3 14. Be7 Rfe8 15. Bd6 Ne4 16. f3 Nexc5 17. b4 Na6 18. Bb5 Red8 19. 0-0-0 Nf6 20. e4 Rac8+ 21. Kb2 Nc7 22. Bxc7 Rxd1 23. Rxd1 Rxc7 24. Rd8+ Kh7 25. Nf4 g5 26. Ne2 Kg7 27. Nd4 a6 28. Ba4 b5 29. Bc2 Nd7 30. Nb3 Ne5 31. Nc5 a5 32. Kc3 Nc4 33. Nxb7 Nxa3+ 34. Nc5 Nxc2 35. bxa5 Rxc5+ 36. Kb3 Rc6 37. Rd2 Ne3 38. Kb4 Nc4 39. Kxb5 Rc8 0-1

[Event "Tunas 14 June"]
[Site "Tunas"]
[Date "1998.??.??"]
[Round "?"]
[White "Perez, Isael"]
[Black "Gomez Segura, Adalberto"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2270"]
[BlackElo "2360"]
[PlyCount "85"]
[EventDate "1998.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Be7 4. Nc3 Nf6 5. Bf4 0-0 6. e3 b6 7. Rc1 Bb7 8. h3 Nbd7 9. Be2 c5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. 0-0 Nf6 13. Qa4 a6 14. dxc5 Bxc5 15. Be5 Nd7 16. Bd4 b5 17. Qd1 Rc8 18. a4 Qb6 19. axb5 axb5 20. Rxc5 Nxc5 21. b4 Qb7 22. Bxc5 Rfd8 23. Qa1 f6 24. Qa5 Rb8 25. Rd1 Rd7 26. Qa1 e5 27. Qb1 g6 28. Nh2 Rbd8 29. Bg4 f5 30. Bf3 e4 31. Be2 Be6 32. Bd4 Ra8 33. Nf1 Ra2 34. Ng3 h5 35. h4 Qa6 36. Bf1 Kf7 37. Ne2 Qa3 38. Be5 Rxd1 39. Qxd1 Qxb4 40. Qd8 Qe7 41. Qh8 Qxh4 42. Qg7+ Ke8 43. Bf6 1-0

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.21"]
[Round "11"]
[White "Perez, Isael"]
[Black "Gonzalez, Renier"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2190"]
[BlackElo "2380"]
[PlyCount "80"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. Bg5 c5 9. dxc5 Qxd1+ 10. Kxd1 Nbd7 11. Nxc4 Bxc5 12. e4 Bg6 13. Be2 a6 14. Kc2 Nd5 15. Rhd1 f6 16. Bc1 Nb4+ 17. Kb3 Nc6 18. Be3 Bxe3 19. Nxe3 Ke7 20. Rac1 Rhd8 21. Ka3 Bf7 22. b4 Nde5 23. f4 Ng6 24. g3 Rxd1 25. Rxd1 Rd8 26. b5 axb5 27. Bxb5 Nd4 28. Ncd5+ exd5 29. Rxd4 Kd6 30. exd5 Ne7 31. Bc4 Kc5 32. Re4 Nxd5 33. Bxd5 Bxd5 34. Nxd5 Rxd5 35. Re7 Rd3+ 36. Kb2 b6 37. Rxg7 Rd2+ 38. Kc3 Rxh2 39. Rc7+ Kd5 40. Rf7 Rg2 1/2-1/2

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.19"]
[Round "10"]
[White "Cabrera Pino, Alexis"]
[Black "Perez, Isael"]
[Result "0-1"]
[ECO "C35"]
[WhiteElo "2340"]
[BlackElo "2190"]
[PlyCount "80"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. Kf1 d6 6. d4 Bg4 7. Nc3 Ne7 8. Bxf4 Ng6 9. Be3 0-0 10. g3 Bh3+ 11. Kf2 Be7 12. Nd5 b5 13. Bb3 h6 14. Re1 c6 15. Nf4 Nxf4 16. Bxf4 Bg4 17. a4 bxa4 18. Rxa4 Nd7 19. Qd2 g5 20. Be3 d5 21. exd5 Nf6 22. Qd3 cxd5 23. Ne5 Be6 24. Kg1 Bd6 25. Qe2 Qc7 26. Bc1 Kg7 27. c3 Ne4 28. Qh5 Bxe5 29. dxe5 Qb6+ 30. Be3 Qxb3 31. Rxe4 dxe4 32. h4 Rh8 33. hxg5 Qc4 34. Rf1 hxg5 35. Qxg5+ Kf8 36. Rd1 Ke8 37. b4 Qe2 38. Rd2 Qe1+ 39. Kg2 Qh1+ 40. Kf2 Qf3+ 0-1

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.18"]
[Round "9"]
[White "Moreno, Alejandro"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "E82"]
[WhiteElo "2400"]
[BlackElo "2190"]
[PlyCount "103"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 b6 7. Bd3 Nbd7 8. Nge2 c5 9. 0-0 cxd4 10. Nxd4 Bb7 11. Qd2 Nc5 12. Be2 Rc8 13. b3 Re8 14. Rfd1 h5 15. Rac1 Qd7 16. Bf1 Red8 17. Qf2 Nh7 18. a4 Bc6 19. a5 Qb7 20. axb6 axb6 21. Nxc6 Rxc6 22. Nd5 Rb8 23. h3 Bf8 24. b4 Nd7 25. b5 Rcc8 26. Nb4 Nc5 27. Nc6 Ra8 28. e5 Ra3 29. exd6 exd6 30. Bf4 Qd7 31. Ra1 Rca8 32. Rxa3 Rxa3 33. Qb2 Ra8 34. Qd2 Nf6 35. Qd4 Ne8 36. Bh2 Ra2 37. Kh1 Ng7 38. Nb4 Nf5 39. Qc3 Bg7 40. Qe1 Ra3 41. Nd5 Qd8 42. g4 Nd4 43. Ne7+ Kh7 44. Nc6 Qh8 45. Nxd4 Bxd4 46. Qe7 hxg4 47. Qxf7+ Bg7 48. Rxd6 Qf8 49. Qxg6+ Kg8 50. Be5 Rxf3 51. Bg2 Rxh3+ 52. Bxh3 1-0

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.17"]
[Round "8"]
[White "Perez, Isael"]
[Black "Triana, Justo"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "2190"]
[BlackElo "2280"]
[PlyCount "112"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 Nc6 7. 0-0 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Bf5 11. e4 Bd7 12. b3 b5 13. Bb2 Rb8 14. Nd1 Re8 15. Bc3 e6 16. Ne3 exd5 17. cxd5 Ng4 18. Nxg4 Bxg4 19. Bxg7 Kxg7 20. Qc3+ Kg8 21. f4 b4 22. Qb2 Be2 23. Rf2 Bd3 24. Bf1 Bxe4 25. Nxe4 Rxe4 26. Bxa6 Ra8 27. Be2 Qe7 28. Raf1 Re8 29. Bb5 Rb8 30. Bd3 Re3 31. Qd2 f6 32. Kg2 Re8 33. h4 Qb7 34. Bb1 f5 35. Kh2 Qg7 36. Bd3 R8e7 37. Ba6 Kf8 38. Rf3 R3e4 39. R1f2 Qf6 40. Qd3 Rd4 41. Qb5 Nc4 42. bxc4 Rd1 43. Qb8+ Re8 44. Bc8 Ree1 45. Rb3 Rh1+ 46. Kg2 Kg7 47. Qc7+ Kh6 48. Kf3 Rhe1 49. g4 fxg4+ 50. Bxg4 Qd4 51. Bh3 Rd2 52. Rxd2 Qxd2 53. f5 Qe2+ 54. Kf4 Qf2+ 55. Rf3 Qxh4+ 56. Bg4 g5# 0-1

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.16"]
[Round "7"]
[White "Camacho Martinez, Guillermo"]
[Black "Perez, Isael"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2300"]
[BlackElo "2190"]
[PlyCount "118"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. Nd5 Ba5 7. d4 Nxd5 8. exd5 Nxd4 9. Nxd4 exd4 10. Qxd4 Bb6 11. Qf4 d6 12. Bd2 Bd7 13. Bd3 Re8 14. Bc3 h6 15. h4 Qe7 16. Rfe1 Qf8 17. a4 a5 18. Bd4 Bxd4 19. Qxd4 Re7 20. Qc3 c6 21. dxc6 bxc6 22. g3 Ree8 23. Bf1 Be6 24. Qxc6 Rec8 25. Qb6 Rxc2 26. Bd3 Rc5 27. Bb5 d5 28. Rad1 Qc8 29. Qd6 Rc2 30. b4 axb4 31. Qxb4 Qc7 32. Qd4 Qa5 33. Qe5 Rac8 34. Rd4 R8c3 35. Red1 Rf3 36. Bd3 Rb2 37. Rf4 Rxf4 38. gxf4 Qxa4 39. Re1 Rb4 40. Ra1 Qc6 41. f5 Bd7 42. Qe7 Rg4+ 43. Kf1 Qc3 44. Ra3 Qc1+ 45. Ke2 Bb5 46. Kf3 Qf4+ 47. Ke2 Bxd3+ 48. Rxd3 Qxf5 49. Qd8+ Kh7 50. Qxd5 Qxd5 51. Rxd5 Rxh4 52. Kf3 Rb4 53. Kg3 g5 54. Rd6 Kg7 55. Ra6 h5 56. f3 f6 57. Ra8 Rb3 58. Kg2 Kg6 59. Ra5 g4 0-1

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.15"]
[Round "6"]
[White "Perez, Isael"]
[Black "Sariego Figueredo, Wilfredo"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "2190"]
[BlackElo "2400"]
[PlyCount "112"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 e6 4. c4 Nf6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 0-0 8. Be2 Na5 9. cxd5 exd5 10. 0-0 Bf5 11. Ne5 Ne4 12. Bb2 c6 13. a4 Re8 14. Bd3 f6 15. Nf3 Nd6 16. Bxf5 Nxf5 17. Ba3 b6 18. Nd2 Nd6 19. Bxd6 Qxd6 20. Qf3 Qe6 21. Rfe1 f5 22. g3 Rac8 23. Reb1 Red8 24. Qe2 Rd6 25. Qd3 Qf7 26. Ra2 Rh6 27. Qe2 Re8 28. Qf3 g5 29. Raa1 Rh3 30. Re1 Re6 31. Rad1 Reh6 32. Nf1 Nc4 33. Qe2 Re6 34. f3 Rhh6 35. Qf2 Re8 36. Re2 Rhe6 37. Rde1 Qe7 38. g4 fxg4 39. fxg4 Rf8 40. Qg2 Qa3 41. Ng3 Qxc3 42. Nf5 Nd6 43. Rf1 Ne4 44. h4 gxh4 45. Qh2 Ng3 46. Nxg3 hxg3 47. Rxf8+ Kxf8 48. Qxh7 Qc1+ 49. Kg2 Rf6 50. Qh8+ Ke7 51. Qg7+ Rf7 52. Qe5+ Kd7 53. Kxg3 Qh1 54. Qf4 Rxf4 55. exf4 Qd1 56. Rf2 Ke6 0-1

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.13"]
[Round "5"]
[White "Ortega Suarez, Luis"]
[Black "Perez, Isael"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2100"]
[BlackElo "2190"]
[PlyCount "110"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 exd4 7. Qxd4 f6 8. e5 fxe5 9. Nxe5 Nf6 10. Bg5 Be6 11. Qe3 0-0 12. Nc3 Bf5 13. Rac1 h6 14. Bxf6 Qxf6 15. f4 Rae8 16. Ne4 Bxe4 17. Qxe4 Bxe5 18. fxe5 Qxe5 19. Qxe5 Rxe5 20. Rxf8+ Kxf8 21. Kf2 Ke7 22. Rd1 b5 23. Kf3 c5 24. Rd2 Re1 25. a3 b4 26. a4 Ke6 27. b3 c4 28. bxc4 Ra1 29. Ke4 Rxa4 30. Rd8 Ra5 31. Ra8 Kd7 32. Rb8 Rg5 33. g3 a5 34. Kd4 Kc6 35. c3 bxc3 36. Kxc3 Rf5 37. Rb2 Rf8 38. Rb5 Rf3+ 39. Kb2 Rf2+ 40. Kb3 Rxh2 41. Rxa5 Kd6 42. Ra6+ c6 43. Ra7 g5 44. Rg7 Kc5 45. Rf7 Rh3 46. Rf5+ Kd4 47. Rf6 Rxg3+ 48. Kc2 h5 49. Rxc6 h4 50. Kd2 Rg2+ 51. Ke1 Ke3 52. Kf1 Rc2 53. Rf6 Rxc4 54. Kg2 g4 55. Rf2 Rd4 0-1

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.12"]
[Round "4"]
[White "Perez, Isael"]
[Black "Leyva Proenza, Ricardo"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "2190"]
[BlackElo "2370"]
[PlyCount "52"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 c6 6. Bg2 d5 7. 0-0 dxc4 8. a4 a5 9. e3 Nfd7 10. Qe2 e5 11. Rd1 exd4 12. exd4 Nb6 13. Bg5 f6 14. Be3 Re8 15. d5 Nxd5 16. Qxc4 Be6 17. Qh4 Na6 18. Ne4 g5 19. Nfxg5 fxg5 20. Bxg5 Qc7 21. Rxd5 Bxd5 22. Nf6+ Bxf6 23. Bxf6 Qf7 24. Bc3 Qg6 25. Rd1 Bxg2 26. Rd7 Bf3 0-1

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.11"]
[Round "3"]
[White "Delgado Crespo, Mairelys"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2275"]
[BlackElo "2190"]
[PlyCount "95"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 d6 7. Bg5 Ne7 8. Nh4 Bxc3 9. bxc3 Ng6 10. Nxg6 fxg6 11. Bc4+ Kh8 12. f4 Qe8 13. fxe5 dxe5 14. Qe1 Be6 15. Bb3 a5 16. Qg3 a4 17. Bxe6 Qxe6 18. h3 Nd7 19. c4 a3 20. Rxf8+ Rxf8 21. Rb1 Qc6 22. Qe3 Ra8 23. Rb5 b6 24. Qc1 Qd6 25. Be3 h6 26. Qa1 Kh7 27. Qc3 c6 28. Rb3 Nc5 29. Rxb6 Na4 30. Qb4 Qf6 31. Rb7 c5 32. Qxa3 Qh4 33. Rb1 Qg3 34. Bf2 Qg5 35. Qc1 Qf6 36. Qe1 Rf8 37. Be3 Ra8 38. Rb5 Qd8 39. Kh2 Ra6 40. Rb7 Nb6 41. Bxc5 Nd7 42. Be3 Rxa2 43. Qb1 Nf6 44. Qxa2 Ng4+ 45. Kg1 Qh4 46. Rb1 Nxe3 47. c3 Qd8 48. Qe2 1-0

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.10"]
[Round "2"]
[White "Perez, Isael"]
[Black "Martinez, Marcel"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2190"]
[BlackElo "2240"]
[PlyCount "96"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Bb2 bxc4 13. bxc4 Bh6 14. f4 e5 15. dxe6 Bxe6 16. Nd5 Rxb2 17. Qxb2 Bg7 18. Qa3 Nxc4 19. Nxc4 Nxd5 20. Rac1 Nb4 21. Rfd1 d5 22. Nb2 d4 23. Rxc5 d3 24. e3 Nc2 25. Qxd3 Qxd3 26. Rxd3 Nxe3 27. Rxe3 Bxb2 28. Rxe6 Bd4+ 29. Kh1 Bxc5 30. Rxa6 Rd8 31. Ra8 Rxa8 32. Bxa8 Ba3 33. Kg2 f5 34. Kf3 Kf7 35. h3 h5 36. Bc6 Ke7 37. Ba4 Kf7 38. Bc2 Kf6 39. g4 hxg4+ 40. hxg4 fxg4+ 41. Kxg4 Bb4 42. a4 Ba5 43. Bd3 Bb4 44. Bf1 Ba5 45. Bh3 Bb4 46. Kf3 Ba5 47. Ke4 Bb4 48. Kd3 Ba5 1/2-1/2

[Event "CUB-ch sf"]
[Site "Las Tunas"]
[Date "1996.12.09"]
[Round "1"]
[White "Bruzon Batista, Lazaro"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2320"]
[BlackElo "2190"]
[PlyCount "46"]
[EventDate "1996.12.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 exd4 7. Qxd4 f6 8. b3 Ne7 9. Ba3 0-0 10. Rd1 Bg4 11. Bxd6 Qxd6 12. Qxd6 cxd6 13. Rxd6 Bxf3 14. gxf3 Rfd8 15. Rd2 Ng6 16. Kf1 Nf4 17. Rxd8+ Rxd8 18. Nc3 Rd2 19. Rc1 Nh3 20. Ne2 Ng5 21. Ng1 f5 22. h4 Ne6 23. Ke1 Rd6 1/2-1/2

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.11"]
[Round "?"]
[White "Perez, Isael"]
[Black "Marrero, Guzman"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "31"]
[EventDate "1994.06.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6 5. e3 Nf6 6. Be2 Nbd7 7. 0-0 Bb4 8. Qb3 Bxc3 9. bxc3 Qb6 10. Qa3 Ne4 11. Nh4 Bg6 12. f3 Nef6 13. Bd2 Qc7 14. Be1 Nb6 15. Bg3 Nc8 16. Bxc7 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1993.09.04"]
[Round "11"]
[White "Pecorelli Garcia, Humberto"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2405"]
[PlyCount "59"]
[EventDate "1993.08.26"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 d6 6. Bg5 Nbd7 7. Qd2 a6 8. Nh3 c5 9. d5 Re8 10. Be2 Qa5 11. 0-0 Rb8 12. a4 h5 13. Nf2 Nh7 14. Be3 e5 15. dxe6 Rxe6 16. f4 Qd8 17. Rad1 Bf8 18. f5 Re8 19. Nh3 Ndf6 20. Ng5 gxf5 21. Nxh7 Nxh7 22. exf5 b6 23. Bh6 Bb7 24. Bxf8 Rxf8 25. f6 Kh8 26. Bxh5 Nxf6 27. Qh6+ Nh7 28. Bxf7 Qg5 29. Qxg5 Nxg5 30. Bd5 1-0

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "7"]
[White "Becerra Rivero, Julio"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2470"]
[BlackElo "2250"]
[PlyCount "131"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. c4 Bg7 4. Nc3 Nc6 5. Be3 e6 6. d5 Nce7 7. Qd2 f5 8. f3 Nf6 9. h3 h5 10. Bd3 f4 11. Bf2 g5 12. 0-0-0 b6 13. Kb1 Ng6 14. Nge2 Kf7 15. Nc1 Bh6 16. Bc2 Qe7 17. Ba4 Bb7 18. Nd3 a5 19. Qc2 g4 20. hxg4 hxg4 21. Qb3 Ba6 22. Bb5 Bxb5 23. Qxb5 Bg5 24. Qc6 Qd7 25. Qxd7+ Nxd7 26. Nb5 gxf3 27. gxf3 Rac8 28. Rxh8 Nxh8 29. b4 axb4 30. Nxb4 Ng6 31. Rh1 Kg7 32. Na6 Bd8 33. Kb2 Nc5 34. Nb4 Be7 35. Kc2 Bf6 36. Bxc5 dxc5 37. Nc6 Kg8 38. Rg1 Kh7 39. Rg4 Kh6 40. a4 Kh7 41. Rg1 Nh8 42. Kd3 Nf7 43. Rg2 Kh6 44. Nca7 Ra8 45. a5 bxa5 46. Ra2 Be7 47. Rxa5 Bd6 48. Ra1 Kh5 49. Ke2 Ng5 50. Rh1+ Kg6 51. Kf2 Nf7 52. Kg2 Kg5 53. Ra1 Kh4 54. Kf2 Ng5 55. Kg2 Nh3 56. Kh2 Rg8 57. Nxd6 cxd6 58. Nb5 Rg3 59. Ra8 Rxf3 60. Rh8+ Kg4 61. Rg8+ Ng5 62. Nxd6 Kh5 63. Rh8+ Kg6 64. Rg8+ Kh5 65. Rh8+ Kg4 66. Rg8 1/2-1/2

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "1"]
[White "Diaz Diaz, Joaquin Carlos"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2440"]
[BlackElo "2250"]
[PlyCount "54"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 c6 6. 0-0 0-0 7. a4 Na6 8. Re1 Nc7 9. h3 d5 10. e5 Ne4 11. Nxe4 dxe4 12. Ng5 Ne6 13. Nxe6 Bxe6 14. Bf1 c5 15. Rxe4 Qd5 16. Re1 Rad8 17. c4 Qxd4 18. Qxd4 Rxd4 19. Be3 Bxe5 20. Bxd4 Bxd4 21. Rad1 Bxb2 22. Rb1 Bc3 23. Re3 Bb4 24. Rd1 b6 25. g4 g5 26. Be2 Kg7 27. Kh1 Re8 1/2-1/2

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "9"]
[White "Hedman Senarega, Jose Antonio"]
[Black "Perez, Isael"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2320"]
[BlackElo "2250"]
[PlyCount "48"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. d3 c6 5. h3 Bh5 6. Nbd2 Nbd7 7. e4 e5 8. 0-0 Bd6 9. Re1 0-0 10. g4 Bg6 11. Nh4 Re8 12. Nf5 Bf8 13. Nf1 Qc7 14. N1g3 dxe4 15. dxe4 Nc5 16. Qf3 Nfd7 17. Bf1 a5 18. h4 b5 19. g5 Ne6 20. a4 Bxf5 21. exf5 Nd4 22. Qd1 Nc5 23. Be3 Rad8 24. axb5 Ndb3 1/2-1/2

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "6"]
[White "Medina, Miguel"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2245"]
[BlackElo "2250"]
[PlyCount "69"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. Be2 Bd6 9. dxc5 Bxc5 10. 0-0 0-0 11. b4 Ba7 12. Bb2 Bg4 13. Nd4 Bxe2 14. Ncxe2 Ne5 15. Nf5 Re8 16. Rc1 Qd7 17. Neg3 Rad8 18. h3 Qe6 19. Rc7 Rd7 20. Nxg7 Kxg7 21. f4 Bxe3+ 22. Kh1 d4 23. fxe5 Rxc7 24. Nf5+ Kh8 25. exf6 Rg8 26. Qf3 Rd7 27. Ne7 Rg5 28. Re1 Qa2 29. Bc1 Qf2 30. Qxf2 Bxf2 31. Bxg5 h6 32. Re5 Bg3 33. Rc5 Rd6 34. Bxh6 Rxf6 35. Nf5 1-0

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "5"]
[White "Perez, Isael"]
[Black "Armas Gutierrez, Jorge Enrique"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2250"]
[BlackElo "2455"]
[PlyCount "82"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nf3 h6 4. Bxf6 Qxf6 5. e4 d6 6. Nc3 Nd7 7. Qd2 a6 8. 0-0-0 Qd8 9. Kb1 b5 10. h4 Bb7 11. Qe3 Rc8 12. g4 b4 13. Ne2 Nb6 14. d5 exd5 15. exd5+ Be7 16. Nf4 Nc4 17. Qa7 Rb8 18. Re1 0-0 19. Rg1 Ne5 20. Qd4 Bf6 21. Nh5 Kh8 22. Qe4 Re8 23. Re3 Ng6 24. Qc4 Rxe3 25. fxe3 Ne5 26. Qe4 Nxf3 27. Qxf3 Qe7 28. Bd3 Be5 29. Qe4 g6 30. Nf4 Bf6 31. Qxb4 Qxe3 32. Re1 Qb6 33. Qa3 Qd4 34. Rf1 Bxd5 35. c3 Qe3 36. Qxa6 Bxc3 37. b3 Bxb3 38. axb3 Rxb3+ 39. Ka2 Rb2+ 40. Ka3 Qc5+ 41. Ka4 Qb4# 0-1

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "3"]
[White "Perez, Isael"]
[Black "Diaz Labrada, Augusto"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2250"]
[BlackElo "2285"]
[PlyCount "136"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bd3 c5 5. Nf3 cxd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. 0-0 d5 9. e5 Nd7 10. Bxe7 Qxe7 11. f4 Qb4 12. Nd2 Qxb2 13. Qg4 g6 14. Rab1 Qd4+ 15. Kh1 Nxe5 16. Qh4 Nxd3 17. Nb3 g5 18. Nxd4 gxh4 19. cxd3 Ba6 20. Rb3 c5 21. Ra3 Bxd3 22. Rxd3 cxd4 23. Rxd4 Ke7 24. Ra4 Rhd8 25. h3 d4 26. Rd1 d3 27. Rd2 Rd7 28. Ra3 Rad8 29. Kg1 Kf6 30. Kf2 Kf5 31. Ke3 f6 32. Ra5+ e5 33. fxe5 fxe5 34. Rf2+ Ke6 35. Rd2 h5 36. Ra6+ Rd6 37. Ra4 Rd4 38. Ra6+ R8d6 39. Rxa7 e4 40. Rh7 R6d5 41. Rh6+ Kd7 42. Rxh5 Kc6 43. Rxh4 Kc5 44. Rxe4 Rxe4+ 45. Kxe4 Kc4 46. Rd1 d2 47. h4 Rd8 48. h5 Re8+ 49. Kf5 Kd3 50. g4 Rf8+ 51. Ke6 Rg8 52. Kf5 Rf8+ 53. Ke6 Rg8 54. Kf5 Rf8+ 55. Kg5 Rg8+ 56. Kf4 Rf8+ 57. Kg3 Ke2 58. Rxd2+ Kxd2 59. g5 Ke3 60. h6 Ke4 61. Kg4 Rf1 62. h7 Rg1+ 63. Kh5 Kf5 64. Kh6 Rh1+ 65. Kg7 Kxg5 66. a4 Kf5 67. a5 Rg1+ 68. Kf7 Rh1 1/2-1/2

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "2"]
[White "Perez, Isael"]
[Black "Kuan, Luis"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2250"]
[PlyCount "59"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. Be3 exd4 8. Nxd4 Re8 9. f3 c6 10. Qd2 d5 11. exd5 cxd5 12. 0-0 dxc4 13. Rad1 Nc6 14. Nxc6 Qxd2 15. Bxd2 bxc6 16. Bxc4 Rb8 17. b3 Nd5 18. Nxd5 cxd5 19. Bxd5 Ba6 20. Rfe1 Be2 21. Bc6 Re6 22. Bf4 Rf8 23. Rd7 Bxf3 24. Rxe6 fxe6 25. Rxg7+ Kxg7 26. Be5+ Kf7 27. Bxf3 Rc8 28. Be4 Rd8 29. Bc3 Rc8 30. Bd4 1-0

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "8"]
[White "Perez, Isael"]
[Black "Martinez, Orlando"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2250"]
[PlyCount "119"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Be2 0-0 6. Bg5 Nbd7 7. f3 c6 8. Qd2 a6 9. a4 e5 10. d5 Nc5 11. Bd1 a5 12. Nge2 h6 13. Be3 Ne8 14. 0-0 Kh7 15. Bc2 cxd5 16. cxd5 Bd7 17. Nc1 Rc8 18. Nd3 Na6 19. Qf2 f5 20. Bb6 Qg5 21. Bxa5 Nf6 22. exf5 gxf5 23. Bb6 Kh8 24. Rae1 Nh5 25. f4 exf4 26. Nxf4 Be5 27. Be3 Rg8 28. Nxh5 Qxh5 29. Bf4 Bf6 30. Bxd6 Rc4 31. Bd1 Qg6 32. Bf3 Nb4 33. Qe2 b5 34. Be5 Re8 35. Bxf6+ Qxf6 36. Qd2 Rg8 37. axb5 Rd4 38. Qe2 Nd3 39. Rd1 Nf4 40. Qe3 Rb4 41. Qd2 Nh3+ 42. Kh1 Ng5 43. d6 Qg7 44. Bc6 Be6 45. d7 Rd8 46. Rf4 Rb3 47. h4 Nf7 48. Qe2 Qf6 49. Re1 Bxd7 50. Bxd7 Qd6 51. Be6 Re8 52. Rxf5 Rb4 53. Qf2 Nd8 54. Rf6 Qe7 55. Rxh6+ Kg7 56. Rh7+ Kxh7 57. Bf5+ Kg7 58. Rxe7+ Rxe7 59. Qg3+ Kf8 60. Nd5 1-0

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "11"]
[White "Perez, Isael"]
[Black "Mendez Fortes, Eduardo Jesus"]
[Result "1-0"]
[ECO "A72"]
[WhiteElo "2250"]
[PlyCount "74"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bf4 0-0 9. Be2 b5 10. Nd2 a6 11. Qc2 Qe7 12. 0-0 Nbd7 13. Rae1 Rb8 14. Bg3 Ne5 15. h3 Nh5 16. Bxh5 gxh5 17. f4 Nc4 18. Nxc4 bxc4 19. e5 h4 20. Bh2 Re8 21. Re2 Bd7 22. Kh1 Qd8 23. Qe4 Qc8 24. a3 Rb3 25. Qxc4 Qb7 26. Ne4 Qb5 27. Nxd6 Qxc4 28. Nxc4 Bb5 29. Rc1 Rd3 30. Rec2 Rxd5 31. Nd6 Rd8 32. Rxc5 R5xd6 33. exd6 Rxd6 34. Rc8+ Bf8 35. f5 Rd2 36. Bf4 Re2 37. Rd8 Re4 1-0

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "10"]
[White "Perez, Isael"]
[Black "Valdes, Luis Enrique"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2250"]
[BlackElo "2315"]
[PlyCount "23"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Bxe4 7. Bxe4 c6 8. 0-0 Nf6 9. Bg5 Be7 10. Bd3 Nbd7 11. Bxf6 Bxf6 12. Re1 1/2-1/2

[Event "CUB-ch"]
[Site "Colon"]
[Date "1993.??.??"]
[Round "4"]
[White "Vera Gonzalez Quevedo, Reynaldo"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "D28"]
[WhiteElo "2525"]
[BlackElo "2250"]
[PlyCount "45"]
[EventDate "1993.10.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. Qe2 a6 7. dxc5 Bxc5 8. 0-0 Nc6 9. e4 Ng4 10. e5 Nd4 11. Nxd4 Qxd4 12. Nd2 Nxe5 13. Nb3 Qxc4 14. Qxe5 Bf8 15. Rd1 f6 16. Qg3 e5 17. f4 Bc5+ 18. Nxc5 Qxc5+ 19. Be3 Qe7 20. Rac1 Qf7 21. Bc5 b6 22. Bd6 Bd7 23. fxe5 1-0

[Event "Cuba"]
[Site "Cuba"]
[Date "1991.??.??"]
[Round "?"]
[White "Estevez Morales, Guillermo"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2350"]
[PlyCount "67"]
[EventDate "1991.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "CUB"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Ne2 Bg4 12. c3 Be7 13. Qa4 Bd7 14. Nd4 c5 15. Nc6 Bxc6 16. Qxc6 Rb8 17. b3 Rb6 18. Qa4 h6 19. Bh4 Ne4 20. Bxe4 Bxh4 21. Bxd5 Qxd5 22. Qxh4 f5 23. Rad1 Qf7 24. Rfe1 Re6 25. Rxe6 Qxe6 26. Qf4 Re8 27. g3 Qa6 28. Qd2 f4 29. c4 Rf8 30. Qd5+ Rf7 31. Re1 Qf6 32. Re8+ Kh7 33. Qe4+ Qg6 34. Rh8+ 1-0

[Event "Manila op"]
[Site "Manila"]
[Date "1991.??.??"]
[Round "?"]
[White "Roca, Petronio"]
[Black "Perez, Isael"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2370"]
[PlyCount "73"]
[EventDate "1991.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "PHI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nge7 7. dxc5 Qc7 8. Bf4 Ng6 9. Bg3 Bxc5 10. 0-0 Bd7 11. b4 Be7 12. Re1 0-0 13. Bd3 Rfd8 14. Nbd2 a5 15. b5 Na7 16. a4 Qxc3 17. Nb3 Rdc8 18. h4 Qc7 19. h5 Nf8 20. Nfd4 Qd8 21. Re3 Bg5 22. f4 Bh6 23. Qf3 b6 24. Bf2 f5 25. g4 fxg4 26. Qxg4 Qe7 27. Bh4 Qf7 28. Bg5 Bxg5 29. fxg5 Qe7 30. Rf1 Re8 31. Ref3 Rac8 32. h6 Rc3 33. Bxh7+ Nxh7 34. Rxc3 Nxg5 35. hxg7 Nc8 36. Rg3 Nf7 37. Qh5 1-0

[Event "Pinar del Rio"]
[Site "Pinar del Rio"]
[Date "1988.??.??"]
[Round "?"]
[White "Perez, Isael"]
[Black "Valdes, Luis Enrique"]
[Result "1/2-1/2"]
[ECO "C78"]
[BlackElo "2310"]
[PlyCount "52"]
[EventDate "1988.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "CUB"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Bg5 0-0 11. Qd3 h6 12. Bh4 g5 13. Nxg5 hxg5 14. Bxg5 exd4 15. Qg3 Kg7 16. f4 Rg8 17. e5 dxc3+ 18. Kh1 dxe5 19. fxe5 Nh5 20. Qg4 Nd4 21. Nxc3 Kf8 22. Bh6+ Ke7 23. Bg5+ Kf8 24. Bh6+ Ke7 25. Qh4+ Kd7 26. Qh3+ Ke7 1/2-1/2

