[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "1"]
[White "Cabrera Escanelles, Armando"]
[Black "Mesa, Antonio"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "123"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Ne2 Bg7 5. 0-0 0-0 6. c3 c5 7. Bg5 a6 8. Qd2 b5 9. a4 c4 10. Bc2 Bb7 11. Ng3 Nbd7 12. Re1 e5 13. Na3 Qa5 14. Rad1 Rac8 15. axb5 axb5 16. h3 exd4 17. cxd4 c3 18. Qc1 b4 19. Nb1 cxb2 20. Qd2 Rxc2 21. Qxc2 Qxg5 22. Qxb2 Qa5 23. Nd2 Rb8 24. Ra1 Qb5 25. Nb3 Nb6 26. Qe2 Qxe2 27. Rxe2 Nc4 28. Ra7 Nd7 29. Rc2 Ndb6 30. f3 Bf6 31. Ne2 Bc6 32. Nec1 Bb5 33. Na2 Ra8 34. Rxa8+ Nxa8 35. Nxb4 Nab6 36. Na2 Ba4 37. Nac1 h5 38. f4 h4 39. Kf2 Kg7 40. Ra2 Be7 41. Nd2 Nxd2 42. Rxd2 Bc6 43. d5 Bd7 44. Rb2 Bd8 45. g4 hxg3+ 46. Kxg3 Kf8 47. Ne2 f5 48. exf5 Bxf5 49. Nc3 Bd3 50. h4 Bc4 51. Rb4 Ke7 52. Na4 Nxa4 53. Rxc4 Nb6 54. Rd4 Kf6 55. Kg4 Nd7 56. Re4 Nc5 57. Re8 Ba5 58. Rf8+ Kg7 59. Ra8 Bb4 60. h5 gxh5+ 61. Kxh5 Ne4 62. Ra4 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "18"]
[White "Cobo Arteaga, Eldis"]
[Black "Mesa, Antonio"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "81"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Nbd7 5. cxd5 cxd5 6. Bf4 a6 7. e3 e6 8. h3 Be7 9. Bd3 0-0 10. 0-0 Re8 11. Rc1 Nf8 12. Qb3 Ng6 13. Bxg6 hxg6 14. Na4 b5 15. Nc5 Bd6 16. Bxd6 Qxd6 17. Rc2 Ne4 18. Rfc1 Nxc5 19. Rxc5 Bd7 20. Ne5 Rec8 21. Qb4 Rxc5 22. Rxc5 Be8 23. Qa5 f6 24. Nd3 Bd7 25. Qc7 Qxc7 26. Rxc7 Be8 27. f4 a5 28. Nc5 Bf7 29. Rb7 b4 30. Kf2 Kf8 31. Ke2 e5 32. fxe5 fxe5 33. Nd7+ Kg8 34. Nxe5 Be6 35. g4 Rc8 36. Re7 Rc2+ 37. Kd3 Rxb2 38. Rxe6 Rxa2 39. Re8+ Kh7 40. g5 Rf2 41. Ra8 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "22"]
[White "Fernandez Migoya, Jose"]
[Black "Mesa, Antonio"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "113"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 0-0 6. Be3 c6 7. Bd3 Qc7 8. 0-0 Nbd7 9. Ne2 e5 10. c3 Re8 11. dxe5 dxe5 12. Ng3 Nb6 13. Qc2 Be6 14. b3 Nbd7 15. Rad1 Nf8 16. Nh2 N6d7 17. Nf3 Nf6 18. Qc1 Rad8 19. Rfe1 Bc8 20. Bf1 Ne6 21. Ng5 Nf4 22. Bc4 Be6 23. Nxe6 Nxe6 24. Bxe6 fxe6 25. Bg5 Qa5 26. a4 Qb6 27. b4 Rxd1 28. Rxd1 Rd8 29. a5 Rxd1+ 30. Qxd1 Qc7 31. Qd2 Qd7 32. Nf1 Qxd2 33. Nxd2 Nd7 34. Nc4 c5 35. b5 Bf6 36. Bxf6 Nxf6 37. Nd6 b6 38. a6 Kf8 39. f3 Ne8 40. Nc8 Nc7 41. c4 Ke8 42. Nxa7 Kd7 43. Nc6 Kd6 44. a7 Kd7 45. Kf2 Kc8 46. Nxe5 Kb7 47. Nc6 Ka8 48. f4 Ne8 49. Ke3 Ng7 50. g4 Kb7 51. Ne7 Kxa7 52. f5 exf5 53. gxf5 gxf5 54. exf5 Kb7 55. Ke4 Kc7 56. Nd5+ Kd6 57. Nxb6 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "16"]
[White "Garcia Martinez, Silvino"]
[Black "Mesa, Antonio"]
[Result "1-0"]
[ECO "A62"]
[PlyCount "83"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[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. g3 0-0 5. Bg2 c5 6. d5 d6 7. Nf3 e6 8. 0-0 exd5 9. cxd5 Bd7 10. a4 Re8 11. Nd2 Qc8 12. Nc4 Bf8 13. Bf4 Qc7 14. e4 Nh5 15. Be3 Bc8 16. f4 Nd7 17. Bf3 Nb6 18. Na3 Ng7 19. a5 Nd7 20. Nc4 f6 21. Qb3 Kh8 22. Rfe1 a6 23. Na4 Rb8 24. Rad1 Be7 25. Bd2 Nf8 26. Bc3 Bd7 27. e5 Bxa4 28. Qxa4 fxe5 29. fxe5 b5 30. axb6 Qd7 31. Qa1 Qf5 32. Be4 Qg5 33. b3 Kg8 34. exd6 Nh5 35. dxe7 Rxe7 36. d6 Rxe4 37. Rxe4 Nxg3 38. Re5 Qg4 39. Ne3 Ne2+ 40. Kf2 Qh4+ 41. Kxe2 Nd7 42. Rf1 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "3"]
[White "Menendez, Jose Carlos"]
[Black "Mesa, Antonio"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "85"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4 h6 6. Be3 0-0 7. Qd2 Kh7 8. f3 c6 9. g4 e5 10. g5 Ng8 11. gxh6 Bxh6 12. h5 g5 13. 0-0-0 Nd7 14. Nh3 f6 15. Nf2 Qa5 16. Ng4 b5 17. dxe5 dxe5 18. Qd6 b4 19. Nb1 Qxa2 20. Qxc6 Nb6 21. Bxb6 axb6 22. Bc4 Ne7 23. Qc7 Qa7 24. Qxa7 Rxa7 25. Rd6 Rc7 26. Bb5 Bxg4 27. fxg4 Rfc8 28. Rh2 Ng8 29. Rxb6 Bf8 30. Ba6 Rd8 31. Rd2 Bc5 32. Rxd8 Bxb6 33. Bd3 Nh6 34. Kd1 Ra7 35. Rd6 Bc5 36. Rxf6 Nxg4 37. Rg6 Ra1 38. c3 Nf2+ 39. Ke2 Nxd3 40. Kxd3 Rxb1 41. Rxg5 bxc3 42. bxc3 Bd6 43. Kc4 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "13"]
[White "Mesa, Antonio"]
[Black "Alonso, Jose"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "148"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4 h6 6. Be3 c6 7. f3 Nbd7 8. Nh3 a6 9. Nf2 Qc7 10. Qd2 b5 11. a4 b4 12. Na2 a5 13. c3 bxc3 14. bxc3 Nb6 15. Nc1 Be6 16. Nd1 Nc4 17. Bxc4 Bxc4 18. Nb2 Ba6 19. Ncd3 h5 20. Rg1 Nd7 21. Rc1 c5 22. Qf2 c4 23. Nf4 e6 24. g4 Nf6 25. gxh5 Nxh5 26. Nxh5 Rxh5 27. Rg5 Rxg5 28. hxg5 Ke7 29. d5 Rb8 30. dxe6 fxe6 31. Rc2 Qc6 32. Bd4 Bxd4 33. Qxd4 e5 34. Qg1 Qb6 35. Qxb6 Rxb6 36. Rh2 Kf8 37. Nd1 Kg7 38. Rd2 Bc8 39. Rd5 Ra6 40. Rb5 Kf7 41. Ne3 Bd7 42. Rb7 Ke8 43. Rb8+ Kf7 44. Rb7 Ke8 45. Nd5 Kd8 46. Rb8+ Bc8 47. Nb6 Kc7 48. Rxc8+ Kxb6 49. Rg8 Kc6 50. Rxg6 Kd7 51. Kf2 Rb6 52. Rf6 Ke7 53. Rf5 Rb3 54. g6 Rb8 55. Rf7+ Ke6 56. Ra7 Rg8 57. Rxa5 Rxg6 58. Ra7 Rg8 59. Rc7 Rb8 60. Rxc4 Rb3 61. Ke3 Ra3 62. Kd3 Kd7 63. Kc2 Ra2+ 64. Kd3 Rh2 65. Ke3 Rg2 66. f4 Rg3+ 67. Kf2 exf4 68. a5 Rh3 69. Kg2 Rd3 70. Ra4 Kc7 71. a6 Kb8 72. a7+ Ka8 73. Rd4 Rxc3 74. Rxd6 Re3 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "6"]
[White "Mesa, Antonio"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "119"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[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. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Na5 9. Bc2 c5 10. d4 cxd4 11. cxd4 Qc7 12. h3 Nc6 13. dxe5 dxe5 14. Bg5 Nb4 15. Bxf6 Bxf6 16. Bb3 0-0 17. Nc3 Rd8 18. Qe2 Bb7 19. Red1 Rab8 20. Rac1 Qe7 21. a3 Nc6 22. Nd5 Qd6 23. Rd2 g6 24. Ba2 Kg7 25. Rcd1 Nd4 26. Nxd4 exd4 27. Nxf6 Qxf6 28. Qf3 Qxf3 29. gxf3 f5 30. Rxd4 Re8 31. Re1 Kf6 32. Bb1 Re7 33. f4 fxe4 34. Bxe4 Bxe4 35. Rdxe4 Rxe4 36. Rxe4 Kf5 37. Rb4 Re8 38. Kg2 Re4 39. Kf3 Rxb4 40. axb4 h6 41. Ke3 Ke6 42. Ke4 Kf6 43. h4 Ke6 44. b3 Kf6 45. f5 gxf5+ 46. Kd5 Kg6 47. Ke5 Kh5 48. Kxf5 Kxh4 49. Ke5 Kg4 50. f4 h5 51. f5 h4 52. f6 h3 53. f7 h2 54. f8Q h1Q 55. Qg8+ Kh3 56. Qh7+ Kg2 57. Qxh1+ Kxh1 58. Kd5 Kg2 59. Kc6 Kf3 60. Kb6 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "19"]
[White "Mesa, Antonio"]
[Black "Diaz Castellanos, Jose"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "88"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[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 g6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 e6 9. 0-0 Qc7 10. f4 Bc5+ 11. Kh1 a5 12. Ne4 Be7 13. Be3 h5 14. Bd4 Rh7 15. Bc5 Bxc5 16. Nxc5 f5 17. Qd4 Ne7 18. Rf3 Nd5 19. Rd1 Bb7 20. Bxd5 cxd5 21. Rc3 Bc6 22. a3 Rc8 23. b4 axb4 24. axb4 Bb5 25. Ne4 fxe4 26. Rxc7 Rxc7 27. Qb6 Rxc2 28. Qxb5 Ke7 29. Qb8 Rf7 30. Ra1 Rc6 31. b5 Rf8 32. Qxf8+ Kxf8 33. bxc6 dxc6 34. Rc1 e3 35. Kg1 d4 36. Kf1 g5 37. fxg5 Kf7 38. Ke2 Kg6 39. Kd3 Kxg5 40. Kxd4 Kf5 41. Rxc6 e2 42. Rc1 h4 43. Re1 Kg4 44. Rxe2 h3 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "23"]
[White "Mesa, Antonio"]
[Black "Estevez Morales, Guillermo"]
[Result "1/2-1/2"]
[ECO "C93"]
[PlyCount "113"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[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. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. dxe5 dxe5 13. Nf1 Bd7 14. Ng3 g6 15. Qe2 Bg7 16. Rd1 Qe7 17. Be3 Na5 18. Bc2 Nc4 19. Bc1 Nd6 20. Be3 Nc4 21. Bc1 Bc6 22. Nd2 Nd6 23. Ndf1 Rad8 24. f3 Nb7 25. Be3 Nc5 26. Qf2 Ne6 27. Ne2 Bb7 28. Qh4 Kh7 29. Rxd8 Rxd8 30. Rd1 Rxd1 31. Bxd1 b4 32. Qe1 c5 33. Bb3 bxc3 34. Bxe6 Qxe6 35. Nxc3 Nd7 36. Nd2 f5 37. exf5 gxf5 38. Qe2 e4 39. fxe4 fxe4 40. Qc4 Qxc4 41. Nxc4 Bxc3 42. bxc3 Bd5 43. Nd2 Bxa2 44. Nxe4 c4 45. Kf2 Bb1 46. Nd6 Bd3 47. g4 Kg6 48. Bd4 a5 49. h4 Nf6 50. Bxf6 Kxf6 51. Ke3 a4 52. Nb5 Ke5 53. Na3 Bf1 54. g5 hxg5 55. hxg5 Bd3 56. g6 Bxg6 57. Nxc4+ 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "8"]
[White "Mesa, Antonio"]
[Black "Garcia, Gilberto"]
[Result "1-0"]
[ECO "C99"]
[PlyCount "81"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[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. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Na5 9. Bc2 c5 10. h3 0-0 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. dxe5 dxe5 15. Nf1 Nb4 16. Bb3 Nh5 17. Ng5 Nf6 18. a3 Nc6 19. Qc2 Bd7 20. Bd2 Rac8 21. Rac1 Qb8 22. Qd3 h6 23. Nf3 Rfd8 24. Qe2 Bf8 25. Ng3 g6 26. Rc3 b4 27. axb4 Bxb4 28. Rd3 Bf8 29. Rb1 Nd4 30. Nxd4 exd4 31. Qf3 Qe5 32. Bf4 Qe7 33. Rxd4 Bb5 34. Rbd1 Rxd4 35. Rxd4 Bg7 36. Bd6 Qa7 37. Be5 Qe7 38. Bd6 Qb7 39. Be5 Rc1+ 40. Kh2 Ng4+ 41. Qxg4 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "17"]
[White "Mesa, Antonio"]
[Black "Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "92"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Qe2 Nc6 4. g3 Nge7 5. Bg2 g6 6. 0-0 Bg7 7. d3 0-0 8. c3 d6 9. Be3 f5 10. Qd2 e5 11. Bh6 f4 12. Bxg7 Kxg7 13. d4 Qc7 14. d5 Nd8 15. a4 Rf6 16. h3 Nf7 17. Na3 Bd7 18. Nc2 g5 19. Nh2 Ng6 20. Ng4 Bxg4 21. hxg4 Rh8 22. Bf3 Qd7 23. Qe2 Rf8 24. b4 cxb4 25. cxb4 Nh6 26. Ne1 fxg3 27. fxg3 Nxg4 28. Ng2 Nh6 29. Ne3 Qh3 30. Qg2 Qxg2+ 31. Bxg2 Rxf1+ 32. Rxf1 Rxf1+ 33. Kxf1 Ne7 34. Bh3 Kf6 35. Be6 Neg8 36. Nc4 Ke7 37. Ke2 Nf6 38. Kf3 g4+ 39. Ke3 Nh5 40. Kf2 Ng7 41. Bc8 b6 42. Ne3 Kf6 43. Bxg4 Nxg4+ 44. Nxg4+ Kg5 45. Ne3 h5 46. b5 h4 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "15"]
[White "Mesa, Antonio"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "54"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Qe2 Nc6 4. g3 g6 5. Bg2 Bg7 6. c3 e5 7. 0-0 Nge7 8. d3 0-0 9. Be3 b6 10. Na3 d5 11. Rad1 d4 12. cxd4 cxd4 13. Bg5 h6 14. Bd2 Be6 15. b3 Qd7 16. Ne1 Rae8 17. f4 f5 18. Nc4 fxe4 19. Nxe5 Nxe5 20. fxe5 e3 21. Bxe3 dxe3 22. Qxe3 Rxf1+ 23. Kxf1 Nf5 24. Qe4 Qd4 25. Qc6 Ne3+ 26. Ke2 Bg4+ 27. Nf3 Rxe5 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "25"]
[White "Mesa, Antonio"]
[Black "Lebredo Zaragoitia, Gerardo"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "95"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c3 Nf6 2. d3 d5 3. e3 e5 4. f3 Nc6 5. Qc2 Bd6 6. Ne2 0-0 7. e4 Bc5 8. Bg5 Be6 9. Nd2 h6 10. Bh4 Qe7 11. g4 Rad8 12. exd5 Bxd5 13. Ng3 Qe6 14. Nge4 Bxe4 15. Nxe4 Nxe4 16. fxe4 g5 17. Bf2 Bxf2+ 18. Qxf2 Qxg4 19. Be2 Qf4 20. Qg2 Qh4+ 21. Qg3 Qxg3+ 22. hxg3 Kg7 23. g4 Ne7 24. Rd1 c5 25. Kf2 Ng6 26. Ke3 Nf4 27. Rd2 Rd6 28. Bd1 Rfd8 29. Bc2 c4 30. d4 exd4+ 31. cxd4 Rxd4 32. Rhd1 Rxd2 33. Rxd2 Rxd2 34. Kxd2 Kf6 35. Kc3 Ke5 36. Kxc4 h5 37. gxh5 Nxh5 38. Kd3 Nf4+ 39. Ke3 Ne6 40. a4 Nd4 41. Bd3 a5 42. Bf1 Ne6 43. Bd3 Nc5 44. Bc2 f6 45. Kf3 b6 46. Ke3 g4 47. Bd1 g3 48. Bc2 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "2"]
[White "Mesa, Antonio"]
[Black "Mestre, Orlando"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "77"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[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. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Bg4 9. d3 Na5 10. Bc2 c5 11. Nbd2 0-0 12. Nf1 Re8 13. h3 Bd7 14. Kh1 Nc6 15. g4 Be6 16. Ng3 d5 17. Qe2 d4 18. Bd2 Nd7 19. Bb3 c4 20. dxc4 d3 21. Qxd3 Nc5 22. Qe2 bxc4 23. Bxc4 Bxc4 24. Qxc4 Na5 25. Qe2 Nd3 26. Reb1 Nc4 27. Be3 Nxe3 28. fxe3 Nc5 29. Rd1 Qb8 30. Qc2 g6 31. Rd5 Qc7 32. Rad1 Bf8 33. R1d2 Qc6 34. Kg2 Ne6 35. Ne2 Rac8 36. a3 Bc5 37. Kf2 Nf4 38. Nxf4 exf4 39. Ke2 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "21"]
[White "Mesa, Antonio"]
[Black "Meylan, Alejandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "81"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c3 d5 2. d3 e5 3. e3 c5 4. f3 Nf6 5. Ne2 Nc6 6. Qc2 Be6 7. e4 Be7 8. Bg5 0-0 9. Nd2 Rc8 10. g4 Ne8 11. Bxe7 Qxe7 12. h4 Nd6 13. Ng3 Rfd8 14. Be2 b5 15. exd5 Bxd5 16. Nde4 Ne8 17. Nf5 Qf8 18. Qc1 Nc7 19. Qe3 Ne6 20. h5 f6 21. Kf2 Rd7 22. Nh4 Rcd8 23. Ng3 c4 24. Rhd1 Qc5 25. Ng2 Na5 26. Qxc5 Nxc5 27. dxc4 bxc4 28. Ne3 Be6 29. Rxd7 Rxd7 30. Rd1 Rxd1 31. Nxd1 Kf7 32. Nf1 Na4 33. Nd2 Nb6 34. Ne3 g6 35. hxg6+ hxg6 36. Kg3 f5 37. gxf5 gxf5 38. Kf2 Kf6 39. Bf1 Kg5 40. Be2 Kf6 41. Bd1 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "10"]
[White "Mesa, Antonio"]
[Black "Montesinos, Jose"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "49"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 dxe4 8. dxe4 Ne8 9. Qe2 e5 10. b3 f6 11. Bb2 Nb6 12. Rad1 Bd7 13. Nh4 Qc8 14. f4 Bg4 15. Ndf3 exf4 16. gxf4 g6 17. Qe1 Ng7 18. Rd3 Nh5 19. Nd4 c5 20. Ne2 c4 21. Rd2 Qc7 22. Bf3 Bh3 23. Bg2 Bg4 24. Bf3 Bh3 25. Bg2 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "4"]
[White "Mesa, Antonio"]
[Black "Planas Garcia, Francisco"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "112"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nc6 4. g3 Nf6 5. Bg2 Bc5 6. Ne2 Bxf2+ 7. Kxf2 Ng4+ 8. Kg1 Ne3 9. Qe1 Nxc2 10. Qd1 Nxa1 11. exd5 exd5 12. Nf3 0-0 13. Bg5 Qd6 14. Qxa1 Qc5+ 15. d4 Qc2 16. Nc3 Bg4 17. Qc1 Qxc1+ 18. Bxc1 Rad8 19. Bf4 Rd7 20. Kf2 f6 21. Re1 Nb4 22. Rd1 g5 23. Bc1 c6 24. a3 Na6 25. Re1 Rdd8 26. Bf1 Nc7 27. Bd3 Rfe8 28. Rxe8+ Rxe8 29. Be3 h6 30. Ng1 Re7 31. h3 Bc8 32. Nce2 Ne8 33. Bd2 Nd6 34. Bb4 Ne4+ 35. Kf3 Re8 36. g4 f5 37. gxf5 Bxf5 38. Bxe4 Rxe4 39. Bd6 Bxh3 40. Nxh3 g4+ 41. Kf2 gxh3 42. a4 Kf7 43. b4 h5 44. a5 h4 45. Kf3 Ke6 46. Bb8 Kf5 47. Bd6 a6 48. Bc7 Rxe2 49. Kxe2 Ke4 50. Be5 h2 51. Bxh2 Kxd4 52. Bd6 Kc4 53. Be7 h3 54. Bd6 Kc3 55. Kd1 d4 56. Ke2 Kc2 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "9"]
[White "Ortega, Rogelio"]
[Black "Mesa, Antonio"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "101"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bg5 f6 8. Bf4 Nc6 9. Qd2 Qe7+ 10. Be2 Bg4 11. 0-0 0-0-0 12. Re1 g5 13. Nxg5 Bxe2 14. Rxe2 Ne4 15. Qe1 fxg5 16. Bd2 Qc5 17. Rxe4 Qxc2 18. Re2 Nd4 19. Re4 Bc5 20. Nc3 Qxd2 21. Qxd2 Nf3+ 22. gxf3 Rxd2 23. Re2 Rxe2 24. Nxe2 Rd8 25. Rc1 Rd2 26. Rxc5 Rxe2 27. Rxg5 Rxb2 28. a4 Kd7 29. Rh5 Rb4 30. Rxh7+ Kd6 31. Rh6+ Kd7 32. Rh7+ Kd6 33. Rh6+ Kd5 34. Rh5+ Kc6 35. Rh6+ Kd5 36. Rh5+ Kc6 37. Rh6+ Kc5 38. Rh5+ Kb6 39. Rb5+ Rxb5 40. axb5 c5 41. h4 Kxb5 42. h5 c4 43. Kf1 Kb4 44. h6 c3 45. Ke2 Kb3 46. h7 b5 47. h8Q a5 48. Qe5 Kc4 49. Qc7+ Kb3 50. Qxa5 Kc2 51. Qb4 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "11"]
[White "Paz la Torre, Jose M"]
[Black "Mesa, Antonio"]
[Result "1/2-1/2"]
[ECO "E73"]
[PlyCount "63"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[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 d6 5. Be2 0-0 6. h4 c5 7. d5 h5 8. f3 Bd7 9. Nh3 Na6 10. Be3 Nc7 11. Qd2 a6 12. a4 b5 13. Bh6 Rb8 14. Bxg7 Kxg7 15. Nf2 bxc4 16. Bxc4 e6 17. 0-0 exd5 18. exd5 Bf5 19. g3 Nd7 20. f4 Rb4 21. b3 Nb6 22. Na2 Nxc4 23. Qc3+ Qf6 24. Qxf6+ Kxf6 25. Nxb4 cxb4 26. bxc4 b3 27. Nd1 a5 28. Rf3 Rb8 29. Nb2 Na6 30. Re3 Nc5 31. Rae1 Rb4 32. Ra1 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "14"]
[White "Perez Perez, Francisco Jose"]
[Black "Mesa, Antonio"]
[Result "1-0"]
[ECO "C24"]
[PlyCount "69"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 0-0 7. e5 d5 8. exf6 dxc4 9. Qa4 cxb2 10. Bxb2 Nc6 11. a3 Bd6 12. fxg7 Re8 13. Nbd2 Ne5 14. Bxe5 Bxe5 15. Nxe5 Rxe5 16. Nxc4 b5 17. Qa5 Rh5 18. Ne3 Qd6 19. f4 Bb7 20. Qc3 Qc5 21. Rac1 Qxc3 22. Rxc3 c5 23. f5 Rc8 24. Rd1 a5 25. Rd7 Be4 26. g4 Rg5 27. h4 Rxg7 28. f6 Rg6 29. Rxc5 Re8 30. Re5 Rc8 31. g5 Kf8 32. Rxe4 h6 33. Re5 hxg5 34. hxg5 Kg8 35. Rxb5 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "7"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Mesa, Antonio"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "107"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Nbd7 5. cxd5 cxd5 6. Bf4 a6 7. e3 e6 8. Bd3 Be7 9. h3 0-0 10. 0-0 b6 11. Rc1 Bb7 12. Nd2 Ne8 13. Qh5 Ndf6 14. Qe2 Qd7 15. Nf3 Nd6 16. Ne5 Qe8 17. Nb1 g6 18. Bh6 Nh5 19. Bxf8 Bxf8 20. Nd2 Be7 21. Rc2 f6 22. Ng4 Bd8 23. Qd1 Nf7 24. Be2 Qd7 25. Nh2 Ng7 26. Qc1 Nf5 27. Rd1 Rc8 28. Rxc8 Bxc8 29. Qc2 Bb7 30. Qc3 Bc7 31. Rc1 Bb8 32. Qb4 Qd8 33. Qa4 a5 34. Nhf1 h5 35. b4 axb4 36. Qxb4 Ng5 37. Qa4 Nd6 38. Ba6 Bxa6 39. Qxa6 Bc7 40. Qa7 Ne8 41. Qb7 h4 42. Qc6 Qe7 43. f4 Nf7 44. Nf3 g5 45. fxg5 fxg5 46. N1h2 Bg3 47. Ng4 Kg7 48. Rf1 Ned6 49. Qxb6 Ne4 50. Nfe5 Nxe5 51. dxe5 Kg6 52. Qb8 Qg7 53. Qe8+ Kh7 54. Rf7 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "24"]
[White "Santa Cruz, Hugo"]
[Black "Mesa, Antonio"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "47"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 c6 7. 0-0 Qc7 8. e5 Nd5 9. Nxd5 cxd5 10. Qe1 Nc6 11. c3 Rb8 12. Qh4 f5 13. exf6 Bxf6 14. Qg3 e5 15. fxe5 dxe5 16. Bh6 Bg7 17. Bxg7 Qxg7 18. Nxe5 Rxf1+ 19. Rxf1 Nxe5 20. dxe5 Be6 21. Rf6 Bf5 22. Bxf5 gxf5 23. Qxg7+ Kxg7 24. Rxf5 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "20"]
[White "Torres, Rafael"]
[Black "Mesa, Antonio"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "46"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. d3 c6 7. 0-0 Na6 8. d4 Nc7 9. a4 d5 10. c5 a5 11. Ne5 Bf5 12. f4 h5 13. e3 Na6 14. Na2 Qc7 15. h3 b6 16. g4 hxg4 17. hxg4 Be4 18. cxb6 Qxb6 19. g5 Bxg2 20. Kxg2 Ne4 21. Nd7 Qc7 22. Nxf8 Kxf8 23. Nc3 Nd6 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "5"]
[White "Yong, Alberto"]
[Black "Mesa, Antonio"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "120"]
[EventDate "1966.03.05"]
[EventType "tourn"]
[EventRounds "24"]
[EventCountry "CUB"]
[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 Bc5 5. d3 d6 6. Bg5 h6 7. Bh4 a6 8. Ba4 b5 9. Bb3 Bg4 10. Bxf6 Qxf6 11. Nd5 Qd8 12. c3 0-0 13. h3 Bh5 14. g4 Bg6 15. Qe2 Rb8 16. h4 b4 17. h5 Bh7 18. g5 hxg5 19. Rg1 Na5 20. Nxg5 Nxb3 21. Nxh7 Kxh7 22. Qg4 Rg8 23. axb3 c6 24. Qf5+ Kh8 25. Nxb4 Bxb4 26. cxb4 Rxb4 27. Qxf7 Qf8 28. Qxf8 Rxf8 29. Ra3 Rfb8 30. Kd2 Rxb3 31. Rxb3 Rxb3 32. Kc2 Rb4 33. Rg6 Rd4 34. f3 a5 35. Kc3 c5 36. h6 gxh6 37. Rxh6+ Kg7 38. Re6 Kf7 39. Rh6 Ke7 40. Rh7+ Kf6 41. Rh5 Ke6 42. Rh4 Kf6 43. f4 exf4 44. Rxf4+ Ke6 45. Rh4 Ke5 46. b3 Ke6 47. Rh5 Kd7 48. Rh6 a4 49. bxa4 Rxa4 50. Rh5 Ra3+ 51. Kc4 Ra4+ 52. Kb3 Rd4 53. Kc3 Kc6 54. Rh6 Kd7 55. Rh7+ Ke6 56. Rh5 Kd7 57. e5 Rd5 58. Rh7+ Ke6 59. exd6 Kxd6 60. Rh6+ Ke5 1/2-1/2

