[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 "1994.06.10"]
[Round "?"]
[White "Marrero, Guzman"]
[Black "Cardosa, Narciso"]
[Result "0-1"]
[ECO "B89"]
[PlyCount "65"]
[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. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 a6 6. Bc4 d6 7. Be3 Qc7 8. Bb3 Nf6 9. Qe2 Na5 10. 0-0-0 b5 11. g4 Nxb3+ 12. axb3 Bb7 13. f3 Be7 14. h4 Nd7 15. g5 Nc5 16. Kb1 b4 17. Na4 Nxa4 18. bxa4 d5 19. exd5 Bxd5 20. b3 0-0 21. Rhg1 Rfc8 22. Rd2 Qe5 23. Rg4 Rc3 24. Rd3 Rac8 25. f4 Qd6 26. Bd2 Rxd3 27. Qxd3 Bb7 28. Rg3 Rd8 29. Ne2 Qc6 30. Nd4 Qd5 31. Ne2 Qh1+ 32. Rg1 Rxd3 33. cxd3 0-1

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.09"]
[Round "?"]
[White "Gongora Reyes, Maikel"]
[Black "Marrero, Guzman"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "49"]
[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. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. 0-0 Bxf3 7. Bxf3 dxe5 8. dxe5 e6 9. Nd2 Nd7 10. Re1 Qc7 11. Nc4 b5 12. Bxd5 cxd5 13. Nd6+ Bxd6 14. Qxd5 Rb8 15. Qxd6 Qxd6 16. exd6 0-0 17. Bd2 Rfc8 18. Rec1 Rc6 19. Bb4 Nb6 20. b3 Nd5 21. a3 a6 22. Ba5 Nb6 23. Rd1 Rd8 24. c4 f6 25. c5 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.08"]
[Round "?"]
[White "Marrero, Guzman"]
[Black "Lopez, Angel1111"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "89"]
[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. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. exf6 Nxf6 7. d4 Be7 8. Bg5 c6 9. Bxf6 Bxf6 10. 0-0-0 0-0 11. Qe2 Qb6 12. Nf3 Bg4 13. Qd3 Na6 14. a3 Bxf3 15. gxf3 Bg5+ 16. Kb1 Rae8 17. Na4 Qc7 18. Bg2 Re3 19. Qf1 Qa5 20. Nc3 b5 21. Na2 b4 22. axb4 Nxb4 23. Nxb4 Qxb4 24. Rd3 Rb8 25. b3 a5 26. f4 Bxf4 27. Qxf4 Rxd3 28. cxd3 Qxb3+ 29. Kc1 Qc3+ 30. Kd1 Qxd3+ 31. Ke1 Rb2 32. Bf3 Qc2 33. Bd1 Qc3+ 34. Kf1 Qd3+ 35. Ke1 a4 36. Rg1 Qc3+ 37. Kf1 Qd3+ 38. Ke1 Qc3+ 39. Kf1 Qd3+ 40. Ke1 g6 41. Rg3 Qb5 42. Rf3 Qb4+ 43. Kf1 Qe7 44. Re3 Qd7 45. Bg4 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.07"]
[Round "?"]
[White "Guerrero, Douglas"]
[Black "Marrero, Guzman"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "60"]
[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. g3 c6 4. Bg2 Nd7 5. 0-0 e6 6. Nbd2 Ngf6 7. c4 Bd6 8. Nh4 Bg6 9. Nxg6 hxg6 10. e4 Nxe4 11. Nxe4 dxe4 12. Bxe4 0-0 13. Re1 Nf6 14. Bg2 Qc7 15. b3 Rfd8 16. Qf3 Qa5 17. Bb2 Be7 18. Re5 Qc7 19. Rae1 Rd7 20. Bc3 Nh7 21. Qe3 Bf6 22. Re4 Rad8 23. h4 Be7 24. Bf3 Nf6 25. Re5 Bd6 26. Rg5 Nh7 27. Rg4 Nf6 28. Rg5 Nh7 29. Rg4 Nf6 30. Rg5 Nh7 1/2-1/2

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.06"]
[Round "?"]
[White "Marrero, Guzman"]
[Black "Diaz, Augusto1111"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "79"]
[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. Nf3 Nf6 2. b3 d6 3. d4 g6 4. g3 Bg7 5. Bb2 0-0 6. Bg2 e5 7. dxe5 Ng4 8. 0-0 Nc6 9. Nbd2 Ngxe5 10. Rb1 Re8 11. Nxe5 Nxe5 12. Nf3 Nxf3+ 13. Bxf3 Bxb2 14. Rxb2 Qf6 15. Rb1 a5 16. a4 Rb8 17. Qd2 b6 18. c4 Re5 19. Bg2 Bd7 20. f4 Re7 21. e4 Rbe8 22. Rfe1 Bc6 23. Qd3 Re6 24. Re2 Qe7 25. Rbe1 f5 26. e5 dxe5 27. Rxe5 Be4 28. Bxe4 fxe4 29. R1xe4 Rxe5 30. Rxe5 Qf7 31. Rxe8+ Qxe8 32. Qd5+ Kg7 33. Kf2 Qc8 34. Kf3 h5 35. Ke4 Kh6 36. Qf7 Qh3 37. Ke5 Qg4 38. Kf6 Qf5+ 39. Ke7 Qd3 40. Qf6 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.05"]
[Round "?"]
[White "Mercantete Rodriguez, Edilberto"]
[Black "Marrero, Guzman"]
[Result "0-1"]
[ECO "D11"]
[PlyCount "114"]
[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. Qb3 Qc7 6. g3 Nd7 7. Bf4 Qb6 8. c5 Qxb3 9. axb3 Ngf6 10. Bg2 Be7 11. 0-0 0-0 12. b4 Ne4 13. h3 h6 14. g4 Bh7 15. Bh2 a6 16. Rfc1 Rfc8 17. Na4 Bd8 18. Ne5 Nef6 19. Nc3 Nxe5 20. Bxe5 Ne8 21. e4 Bc7 22. Bxc7 Nxc7 23. e5 Rf8 24. f4 Bd3 25. Rd1 Bc4 26. Bf1 Bxf1 27. Rxf1 f5 28. Ne2 g6 29. Kf2 Kf7 30. Ke3 Rg8 31. Ng3 Rg7 32. gxf5 gxf5 33. Nh5 Rg2 34. Rf2 Rag8 35. Raf1 Nb5 36. b3 Nc3 37. Rxg2 Rxg2 38. Kf3 Rh2 39. Nf6 Rxh3+ 40. Kg2 Rd3 41. Rh1 Kg6 42. Rh3 Rxh3 43. Kxh3 Ne2 44. Ne8 Nxf4+ 45. Kh4 Ne2 46. Nd6 Nxd4 47. Nxb7 Nxb3 48. Nd6 d4 49. Kg3 d3 50. Kf2 h5 51. b5 axb5 52. Nxb5 Nxc5 53. Nd4 h4 54. Nf3 h3 55. Ke3 Kh5 56. Kd4 Kg4 57. Nh2+ Kf4 0-1

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.04"]
[Round "?"]
[White "Marrero, Guzman"]
[Black "Rondon Montero, Ernesto Antonio"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "165"]
[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. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 a6 8. Qd2 b5 9. Nxc6 dxc6 10. Qxd8+ Kxd8 11. 0-0-0+ Ke8 12. Bd3 Nd7 13. f4 e5 14. Rhf1 Ke7 15. f5 f6 16. Be2 Bb7 17. fxg6 hxg6 18. Bg4 Rhd8 19. Rd2 Nf8 20. Bc5+ Ke8 21. Rdf2 Kf7 22. h4 Bc8 23. Be2 Rb8 24. h5 Ne6 25. hxg6+ Kxg6 26. Be7 Re8 27. Bxf6 Bh6+ 28. Kb1 Nf4 29. Bh4 b4 30. Na4 Nxe2 31. Rxe2 Bg4 32. Ref2 Rf8 33. Be7 Rxf2 34. Rxf2 Rb7 35. Bc5 Rd7 36. a3 Be6 37. b3 Rd1+ 38. Ka2 Re1 39. Bxb4 Rd1 40. Bc3 Be3 41. Re2 Ba7 42. Rd2 Bg4 43. Rxd1 Bxd1 44. Kb2 Kf6 45. Kc1 Be2 46. Nb2 Bf1 47. Nd3 Bxg2 48. Nxe5 Ke6 49. Nxc6 Be3+ 50. Bd2 Bxe4 51. Nb4 Bc5 52. Nxa6 Bxa3+ 53. Kb1 Bd6 54. Bb4 Bb7 55. Bxd6 Bxa6 56. Bg3 Kd5 57. Kb2 Bf1 58. Bf2 Kc6 59. c4 Kb7 60. Kc3 Kc6 61. b4 Kd6 62. b5 Kc7 63. Kb4 Be2 64. c5 Bf3 65. Bh4 Kb7 66. Bg3 Bg2 67. Kc3 Bf3 68. Bh4 Kc7 69. Be7 Bg2 70. Bd6+ Kb7 71. Kb4 Bf3 72. Bf4 Bg2 73. Bd2 Bf3 74. Be1 Bg2 75. Ka4 Bf3 76. Ba5 Bd5 77. Kb4 Bf3 78. Kc3 Kb8 79. c6 Be2 80. Kb4 Bf1 81. Kc5 Be2 82. Bd2 Bf3 83. b6 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.03"]
[Round "?"]
[White "Parra, Emiliano"]
[Black "Marrero, Guzman"]
[Result "0-1"]
[ECO "D12"]
[PlyCount "76"]
[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. c4 Bf5 3. Nc3 e6 4. Nf3 c6 5. e3 Nf6 6. Qb3 Qc7 7. Bd2 Nbd7 8. Rc1 Qb6 9. Nh4 Qxb3 10. axb3 Bg6 11. Nxg6 hxg6 12. Bd3 Ng4 13. h3 f5 14. Ke2 Ngf6 15. Ra1 Kf7 16. f3 Nh5 17. Kf2 Bd6 18. Ne2 a6 19. e4 dxe4 20. fxe4 Bc7 21. e5 Nxe5 22. dxe5 Rad8 23. Nc1 Bxe5 24. Bc3 Bg3+ 25. Ke2 Bf4 26. Be1 Bxc1 27. Bxf5 Bxb2 28. Rb1 exf5 29. Rxb2 Rhe8+ 30. Kf2 Nf4 31. Rd2 Rxd2+ 32. Bxd2 Re2+ 33. Kf3 Rxd2 34. Kxf4 Rd3 35. Ke5 Rxb3 36. Rd1 Ke7 37. g4 Re3+ 38. Kd4 Re4+ 0-1

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.02"]
[Round "?"]
[White "Marrero, Guzman"]
[Black "Ferreiro Garcia, Enrique"]
[Result "1/2-1/2"]
[ECO "C29"]
[PlyCount "25"]
[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. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 Nc6 6. Bb5 Nxc3 7. bxc3 Be7 8. d4 0-0 9. Bd3 Bh4+ 10. g3 Bg5 11. Qh5 h6 12. Ba3 Be7 13. Bc1 1/2-1/2

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1994.06.01"]
[Round "?"]
[White "Castell, Frank"]
[Black "Marrero, Guzman"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "97"]
[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 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. e3 f5 5. Ne2 Nd7 6. g3 Nf6 7. Bg2 c6 8. 0-0 Qb6 9. Qc1 h5 10. h4 Bd7 11. Nd2 Bh6 12. c4 e6 13. a3 Ng4 14. b4 Rg8 15. Rb1 Rc8 16. a4 a6 17. Qa3 Qd8 18. Rfc1 Qe7 19. Qd3 Kf8 20. b5 axb5 21. cxb5 Ra8 22. Nb3 Rxa4 23. Nc5 Ra5 24. Nxb7 Ra3 25. Rb3 Ra7 26. bxc6 Bxc6 27. Nc5 Kg7 28. Rb6 Bd7 29. Rcb1 Rc8 30. Qb3 Be8 31. Nc1 Kh7 32. Qd3 Kg7 33. Bf3 Nf6 34. Qe2 Kg6 35. N1d3 Ng4 36. Bxd5 Kg7 37. Bf3 Rac7 38. Bxg4 hxg4 39. Rb7 Bc6 40. Rxc7 Qxc7 41. Ne5 Bd5 42. e4 Ba8 43. exf5 exf5 44. Qd3 f4 45. Ne6+ fxe6 46. Qg6+ Kf8 47. Qf6+ Kg8 48. Qxe6+ Kh7 49. Qg6+ 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.10.01"]
[Round "10"]
[White "Gomez Segura, Adalberto"]
[Black "Marrero, Guzman"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2250"]
[PlyCount "99"]
[EventDate "1987.08.22"]
[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 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 d5 7. Qc2 b6 8. e3 Bb7 9. Rc1 c6 10. Bd3 0-0 11. 0-0 Na6 12. Rfe1 c5 13. cxd5 exd5 14. Bxa6 Bxa6 15. dxc5 Rfc8 16. Qa4 Bd3 17. cxb6 axb6 18. Qb3 Bc4 19. Nxc4 dxc4 20. Rxc4 Qd6 21. Rd4 Qc7 22. Red1 h6 23. e4 Ng4 24. Rd7 Qc4 25. Rd8+ Rxd8 26. Rxd8+ Rxd8 27. Qxc4 Rd1+ 28. Qf1 Rxf1+ 29. Kxf1 Nf6 30. Nd2 Ng4 31. Nc4 b5 32. Nd6 b4 33. a4 Ne5 34. a5 Nc6 35. a6 Na7 36. Ke2 Kf8 37. Kd3 Ke7 38. Nf5+ Kd7 39. Nxg7 Kc6 40. Nf5 h5 41. Nh6 Kb5 42. Nxf7 Kxa6 43. Kc4 Ka5 44. Nd6 Ka4 45. Nb7 Nc6 46. Nc5+ Ka5 47. f4 h4 48. g4 h3 49. g5 Ne7 50. f5 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.09.30"]
[Round "9"]
[White "Marrero, Guzman"]
[Black "Domenech Carpintero, Nestor"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "67"]
[EventDate "1987.08.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. e3 Nf6 5. 0-0 g6 6. b3 d6 7. Bb2 Qc7 8. d4 Bg7 9. c4 Nbd7 10. Nbd2 0-0 11. h3 e5 12. Rc1 Ne4 13. Nxe4 Bxe4 14. Nd2 Bxg2 15. Kxg2 h5 16. Qc2 f5 17. Rce1 a5 18. f4 e4 19. g4 hxg4 20. hxg4 Kf7 21. g5 Rh8 22. Rh1 Rxh1 23. Rxh1 Rh8 24. Rxh8 Bxh8 25. a3 cxd4 26. exd4 Qd8 27. b4 axb4 28. axb4 Qa8 29. Qb3 Bg7 30. c5+ d5 31. Qa3 Qxa3 32. Bxa3 Nb8 33. Nb3 Bf8 34. b5 0-1

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.09.28"]
[Round "7"]
[White "Marrero, Guzman"]
[Black "Riveron, Ricardo"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "78"]
[EventDate "1987.08.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 f5 5. 0-0 Nf6 6. Bg5 Be7 7. c3 0-0 8. Nbd2 e4 9. Nd4 Nxd4 10. cxd4 exd3 11. e3 h6 12. Bxf6 Bxf6 13. Qb3 c6 14. Qxd3 Qd6 15. Rac1 Bd7 16. Nb3 b6 17. Rc2 Rac8 18. Rfc1 h5 19. Nd2 h4 20. Nf3 hxg3 21. hxg3 Kf7 22. Kf1 g5 23. g4 fxg4 24. Qh7+ Ke8 25. Qg6+ Ke7 26. Nxg5 Bxg5 27. Qxg5+ Qf6 28. Qxf6+ Rxf6 29. Bxd5 g3 30. f4 Rh8 31. Bxc6 Bf5 32. Rc3 Rxc6 33. Rxc6 Be4 34. Rc7+ Kd6 35. Rc8 Rh1+ 36. Ke2 Rh2+ 37. Kf1 Rh1+ 38. Ke2 Rh2+ 39. Kf1 Rh1+ 1/2-1/2

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.09.26"]
[Round "5"]
[White "Mercantete Rodriguez, Edilberto"]
[Black "Marrero, Guzman"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "113"]
[EventDate "1987.08.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Bxf6 gxf6 10. Nd5 Bxd5 11. exd5 Ne7 12. c3 Bg7 13. Qh5 Rc8 14. Bd3 b5 15. Nc2 Nxd5 16. Qg4 Kf8 17. Bf5 Rc4 18. Qd1 Ne7 19. Ne3 Rc5 20. 0-0 h5 21. a4 Bh6 22. Qxh5 Kg7 23. Qg4+ Ng6 24. Bxg6 fxg6 25. axb5 Bxe3 26. fxe3 axb5 27. Qe6 Rc7 28. Ra6 Rd7 29. Rxf6 Qxf6 30. Qxd7+ Kh6 31. Rxd6 Qh4 32. Qh3 Qxh3 33. gxh3 Kg5 34. Rd5 Kf5 35. Kg2 b4 36. c4 Ke4 37. b3 Rh5 38. Rd6 Kxe3 39. Rxg6 Kd4 40. Rg3 e4 41. Kf2 Ra5 42. Rg7 e3+ 43. Kf3 Rf5+ 44. Ke2 Rf2+ 45. Kd1 Rxh2 46. Rd7+ Kc3 47. c5 Rxh3 48. c6 Rh6 49. c7 Rc6 50. Ke2 Kxb3 51. Kxe3 Ka3 52. Kd4 b3 53. Kd5 Rc3 54. Kd6 b2 55. Rd8 b1Q 56. Ra8+ Kb2 57. Rb8+ 1/2-1/2

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.09.25"]
[Round "4"]
[White "Marrero, Guzman"]
[Black "De la Rosa Solorzano, Jose Guillermo"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "119"]
[EventDate "1987.08.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 c5 5. c4 e6 6. d3 d5 7. b3 Bd6 8. Bb2 Nbd7 9. Nbd2 0-0 10. e4 d4 11. b4 e5 12. b5 Ne8 13. Qe2 g6 14. g4 Ng7 15. Rae1 h5 16. g5 Ne6 17. Nb3 Nxg5 18. Nxg5 Qxg5 19. Bc1 Qh4 20. Nd2 f5 21. Nf3 Qe7 22. Bg5 Qg7 23. Qd2 f4 24. Bh3 Nf6 25. Be6+ Kh8 26. h3 Rae8 27. Bxf6 Rxf6 28. Bd5 Bxd5 29. cxd5 g5 30. Kh2 g4 31. Rg1 Rg8 32. Nh4 Qg5 33. Nf3 Qh6 34. Nh4 Rf7 35. Nf5 Rxf5 36. exf5 e4 37. f3 g3+ 38. Kg2 exf3+ 39. Kxf3 h4 40. Qe2 Qh5+ 41. Kg2 Qxf5 42. Qe4 f3+ 43. Qxf3 Qxf3+ 44. Kxf3 Rf8+ 45. Kg4 Rf2 46. Rgf1 Kg7 47. Rxf2 gxf2 48. Rf1 Bg3 49. Kf5 Kf7 50. d6 Ke8 51. Ke6 Kd8 52. d7 c4 53. dxc4 d3 54. a3 d2 55. a4 Bf4 56. Kf5 Bd6 57. Ke4 Kxd7 58. Kd3 Bb4 59. Ke2 Bc5 60. Kxd2 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.09.24"]
[Round "3"]
[White "Bernal Lara, Luis E"]
[Black "Marrero, Guzman"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "39"]
[EventDate "1987.08.22"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Bg5 c5 6. e3 h6 7. Bh4 Nc6 8. Nf3 g5 9. Bg3 cxd4 10. Nxd4 d5 11. a3 Qa5 12. Nb3 Bxc3+ 13. bxc3 Qd8 14. cxd5 Nxd5 15. Be2 Qf6 16. Rc1 Nde7 17. Nc5 Qf5 18. Ne4 Ng6 19. 0-0 e5 20. Bg4 1-0

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.09.23"]
[Round "2"]
[White "Marrero, Guzman"]
[Black "Arango, Jorge"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "108"]
[EventDate "1987.08.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 d6 7. Nge2 Rb8 8. d4 cxd4 9. Nxd4 a6 10. 0-0 Nge7 11. f4 0-0 12. Kh1 Qc7 13. Qd2 Rd8 14. Nce2 b5 15. c3 Bb7 16. f5 exf5 17. exf5 Nxd4 18. Nxd4 Bxg2+ 19. Kxg2 Qb7+ 20. Kg1 Qe4 21. Rf4 Qe5 22. Nf3 Qd5 23. f6 Qxd2 24. Bxd2 Nd5 25. fxg7 Nxf4 26. Bxf4 Kxg7 27. Rd1 b4 28. Rxd6 bxc3 29. Rxd8 Rxd8 30. Be5+ f6 31. Bxc3 h5 32. Kf2 Rd5 33. Ke3 Kf7 34. Nd2 Ke7 35. Ne4 f5 36. Nf6 Rd8 37. Kf4 Rd1 38. h4 Rf1+ 39. Ke3 Ke6 40. Ne8 Kd7 41. Nf6+ Ke6 42. Nh7 f4+ 43. gxf4 Kf5 44. Be5 Kg4 45. Nf8 Kxh4 46. Nxg6+ Kg4 47. a3 h4 48. Nxh4 Kxh4 49. Kd3 Rc1 50. b4 Kg4 51. a4 Kf5 52. b5 axb5 53. axb5 Rc5 54. b6 Rb5 1/2-1/2

[Event "Las Tunas Province-ch"]
[Site "Las Tunas"]
[Date "1987.09.22"]
[Round "1"]
[White "Alvarez Ruiz, Esteban"]
[Black "Marrero, Guzman"]
[Result "1/2-1/2"]
[ECO "E00"]
[PlyCount "108"]
[EventDate "1987.08.22"]
[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 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 d5 5. a3 Bxd2+ 6. Bxd2 dxc4 7. Nf3 0-0 8. Qa4 Qd5 9. Bg2 Bd7 10. Qc2 Nc6 11. e3 b5 12. 0-0 Qh5 13. a4 a6 14. h3 Nd5 15. e4 Ndb4 16. Bxb4 Nxb4 17. Qc3 Nd3 18. b3 c5 19. bxc4 bxc4 20. Qxc4 Nb2 21. Qc2 Rab8 22. Rfb1 Nxa4 23. Rxb8 Rxb8 24. Rxa4 Bxa4 25. Qxa4 cxd4 26. Nxd4 Qc5 27. Qd7 h5 28. Kh2 Rc8 29. e5 h4 30. Nc6 hxg3+ 31. fxg3 Rf8 32. Qd6 Qe3 33. Ne7+ Kh7 34. Nf5 exf5 35. Qxf8 f4 36. Qxf7 Qxg3+ 37. Kg1 Qe1+ 38. Bf1 Qg3+ 39. Kh1 f3 40. Bd3+ Kh6 41. Qe6+ g6 42. Qg4 Qe1+ 43. Qg1 f2 44. Qf1 Qxe5 45. Kg2 Qg5+ 46. Kxf2 a5 47. Qe2 a4 48. Qe3 Qxe3+ 49. Kxe3 Kh5 50. Kf3 Kh4 51. Kg2 g5 52. Bf5 a3 53. Be6 a2 54. Bxa2 g4 1/2-1/2

