[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.31"]
[Round "8"]
[White "Hernandez, Jose de Jesus"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2310"]
[PlyCount "95"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. cxd5 exd5 8. Bxf6 gxf6 9. Be2 Be6 10. Bf3 Bb4 11. Nge2 Qb6 12. 0-0 Rd8 13. Re1 0-0 14. Qd2 Ne7 15. Rad1 Nf5 16. g3 Kh8 17. Nf4 Rg8 18. Kh1 Ng7 19. Re2 Rd6 20. Re3 Rc8 21. Nfe2 Nf5 22. Rd3 Qd8 23. a3 Bxc3 24. Rxc3 Rdc6 25. Rdc1 Qb6 26. Rxc6 Rxc6 27. Rxc6 bxc6 28. b4 Qa6 29. Qc3 Kg7 30. Kg2 Bd7 31. Nf4 Qc4 32. Qxc4 dxc4 33. Ne2 Nd6 34. a4 Kf8 35. Kf1 Nc8 36. Ke1 Nb6 37. a5 Nd5 38. Bxd5 cxd5 39. Nc3 Bc6 40. b5 Ba8 41. Kd2 Ke7 42. Ke3 Bb7 43. Kf4 Ke6 44. h4 Bc8 45. Kg4 Kd6+ 46. Kh5 Bf5 47. Kh6 Bc2 48. Kg7 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.29"]
[Round "6"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2345"]
[PlyCount "51"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[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 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 Bf5 7. e4 Bg4 8. Be2 Nbd7 9. 0-0 a6 10. a4 b6 11. Nd2 Bxe2 12. Qxe2 Be7 13. f4 Qb8 14. Nc4 0-0 15. e5 Ne8 16. b3 Ra7 17. Bb2 f5 18. Kh1 Kh8 19. e6 Ndf6 20. Ne3 g6 21. g4 fxg4 22. f5 g5 23. Ne4 Kg8 24. Nxg4 Qb7 25. Rad1 Nxd5 26. Nh6# 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.28"]
[Round "4"]
[White "Morejon, Jorge L"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "C99"]
[PlyCount "89"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[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 0-0 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. d5 Nb4 15. Bb1 a5 16. a3 Na6 17. b4 axb4 18. axb4 Bd7 19. Qb3 Qb7 20. Bd3 Nh5 21. Nf1 g6 22. Bh6 Rfc8 23. Ne3 Bf8 24. Bxf8 Kxf8 25. Qb2 f6 26. Ra3 Nf4 27. Bf1 Nc7 28. Rea1 Rxa3 29. Rxa3 Ra8 30. Nd2 f5 31. Rxa8+ Qxa8 32. Qc2 Qc8 33. g3 Nh5 34. exf5 gxf5 35. g4 Ng7 36. gxf5 Nxf5 37. Nxf5 Bxf5 38. Qc6 Qd7 39. Qxd7 Bxd7 40. Ne4 Ke7 41. Nc3 Kf6 42. Bd3 h6 43. h4 Bc8 44. f3 Ke7 45. Kf2 1/2-1/2

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.27"]
[Round "3"]
[White "Calero, Carlos"]
[Black "Alvarez, Alexis"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "79"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 b6 5. d3 Bb7 6. e4 d6 7. Bg2 Nbd7 8. 0-0 0-0 9. Nh4 Rb8 10. f4 e6 11. Nd2 c5 12. Rb1 b5 13. a3 Nb6 14. Re1 Qc7 15. c4 a6 16. Qe2 Rbd8 17. Bf3 Qe7 18. Nf1 Qd7 19. Qf2 Rc8 20. g4 d5 21. e5 Ne8 22. Rbd1 f5 23. gxf5 gxf5 24. Ng3 d4 25. Qg2 Bxf3 26. Qxf3 Kh8 27. Rd2 Bh6 28. Qh5 Bg7 29. Ng6+ Kg8 30. Nxf8 Bxf8 31. Rg2 Kh8 32. Qf3 bxc4 33. bxc4 Na4 34. Bc1 Rb8 35. Kh1 Ng7 36. Reg1 Qb7 37. Qxb7 Rxb7 38. Nh5 h6 39. Nf6 Nc3 40. Rg6 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.27"]
[Round "2"]
[White "Calero, Carlos"]
[Black "Hernandez Padron, Jose"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "93"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 Nc6 5. d4 cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8. c4 Be7 9. Nc3 Be6 10. cxd5 cxd5 11. Bg5 e4 12. Qa4+ Qd7 13. Qxd7+ Nxd7 14. Bxe7 Kxe7 15. Rfd1 Nb6 16. Rd4 Rhd8 17. e3 Nc4 18. b3 Nb6 19. Rb4 Rac8 20. Ne2 Rc5 21. h3 Rd6 22. a4 Bd7 23. a5 Na8 24. Rb7 Rc7 25. Rb8 Rc8 26. Rxc8 Bxc8 27. Rc1 Bd7 28. Nd4 Kd8 29. b4 Nc7 30. Bf1 a6 31. h4 g6 32. Be2 Kc8 33. b5 axb5 34. Bxb5 Kd8 35. Bf1 Na6 36. Bxa6 Rxa6 37. Rc5 Rd6 38. Kf1 Ke7 39. Ke2 Bg4+ 40. Ke1 Rd7 41. a6 Kd6 42. Rc6+ Ke7 43. Rb6 Kd8 44. Nb5 Kc8 45. a7 Rxa7 46. Nxa7+ Kc7 47. Rb4 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.26"]
[Round "1"]
[White "Gomez Segura, Adalberto"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2220"]
[PlyCount "85"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. e3 Bg7 7. Be2 0-0 8. 0-0 d6 9. b3 Bd7 10. Bb2 Nxd4 11. Qxd4 Bc6 12. Qd2 Qa5 13. Ne4 Qxd2 14. Nxd2 Ne4 15. Bxg7 Kxg7 16. Nxe4 Bxe4 17. Rfd1 Rac8 18. f3 Bc6 19. Rac1 b6 20. Kf2 Rc7 21. a4 a5 22. Rd4 Rfc8 23. Rcd1 Bd7 24. e4 Be6 25. Ke3 g5 26. h4 h6 27. Rh1 f6 28. g3 Rc5 29. Rdd1 f5 30. hxg5 hxg5 31. Rh5 fxe4 32. fxe4 Bf7 33. Rh2 Bg6 34. Bh5 Rh8 35. Rdh1 Rxh5 36. Rxh5 Re5 37. R5h2 Bxe4 38. Ra1 g4 39. Rf2 Bf3+ 40. Kd2 Rf5 41. Re1 e5 42. Kc3 Kf6 43. b4 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "20"]
[White "Cabrera Escanelles, Armando"]
[Black "Calero, Carlos"]
[Result "0-1"]
[ECO "D45"]
[PlyCount "132"]
[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. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. b3 Bb4 7. Bd2 Bd6 8. Be2 Ne4 9. Nxe4 dxe4 10. Ng1 Qg5 11. g3 Qh6 12. Qc2 f5 13. 0-0-0 0-0 14. f4 Nf6 15. h4 Qg6 16. Be1 Qe8 17. Nh3 h6 18. Rg1 h5 19. Ng5 Nh7 20. Bc3 Nf6 21. Kd2 Be7 22. Ke1 a6 23. Kf2 b5 24. Ra1 Bd7 25. a4 b4 26. Bb2 a5 27. Rad1 Rd8 28. Rd2 Bc8 29. Rc1 Ng4+ 30. Bxg4 hxg4 31. Rh1 Rf6 32. d5 cxd5 33. Rhd1 Bb7 34. Bxf6 Bxf6 35. cxd5 Rc8 36. Qb1 exd5 37. Rc2 Bc3 38. Qc1 Qc6 39. Kg2 Ba6 40. Kh2 Bd3 41. Rg2 Qa6 42. Kh1 d4 43. exd4 Bxd4 44. Qd2 Qc6 45. Kh2 Qb6 46. Rc1 Bc3 47. Qa2 e3 48. Kh1 Qa6 49. Rcc2 Qf6 50. Kh2 Re8 51. Rce2 Qa6 52. Kg1 Bxe2 53. Qxe2 Qxe2 54. Rxe2 Bd2 55. Kf1 Rd8 56. Ne6 Rd3 57. Nc5 Rc3 58. Nb7 Rxb3 59. Nxa5 Rc3 60. Rg2 b3 61. Nxb3 Rxb3 62. Ke2 Rb1 63. Kd3 Ra1 64. Kd4 Rxa4+ 65. Ke5 Re4+ 66. Kxf5 e2 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "7"]
[White "Calero, Carlos"]
[Black "Alonso, Jose"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "105"]
[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. f3 Bg7 5. Be3 c6 6. Qd2 b5 7. a3 a6 8. Nge2 Nbd7 9. g4 h5 10. g5 Ng8 11. h4 Nb6 12. b3 d5 13. e5 e6 14. f4 Bf8 15. Nc1 Ne7 16. Bh3 Nf5 17. Bf2 a5 18. Nd3 Qc7 19. Bxf5 exf5 20. 0-0 Be6 21. Ne2 Be7 22. Kg2 Kf8 23. Rfc1 Kg7 24. Qd1 Qd8 25. Nc5 Bxc5 26. dxc5 Nd7 27. Qd4 Qc7 28. Kg3 Kh7 29. Qc3 a4 30. Bd4 Rhb8 31. Qb4 Qa5 32. Rcb1 Qxb4 33. axb4 axb3 34. cxb3 Kg8 35. Kf3 Kf8 36. Ke3 Ke7 37. Kd3 Kd8 38. Kc3 Kc7 39. Nc1 Rxa1 40. Rxa1 Kb7 41. Ra5 Ra8 42. Ne2 Rxa5 43. bxa5 Nb8 44. Nc1 Na6 45. Nd3 Ka7 46. Be3 Kb7 47. Bd2 Kc7 48. Kd4 Kb7 49. Bb4 Kc7 50. Ba3 Kb7 51. Kc3 Kc7 52. Ne1 Kb7 53. Nc2 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "13"]
[White "Calero, Carlos"]
[Black "Diaz Castellanos, Jose"]
[Result "1-0"]
[ECO "E80"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 c6 7. Qd2 h5 8. g3 b6 9. Bd3 Bb7 10. Nge2 a6 11. a4 e5 12. d5 cxd5 13. cxd5 Nc5 14. Bc2 a5 15. Bxc5 bxc5 16. Nb5 0-0 17. 0-0-0 Ba6 18. Nec3 Kh7 19. Kb1 Rh8 20. h4 Qe7 21. Bd3 Bh6 22. Qe2 Bc8 23. b3 Bd7 24. Ka2 Rhc8 25. Nb1 Kg7 26. N5a3 Rab8 27. Bb5 Qe8 28. Nc3 Qe7 29. Nc4 Bxb5 30. Nxb5 Rxb5 31. axb5 Ra8 32. Ra1 Ne8 33. Kb2 Qb7 34. Nxa5 Qd7 35. Nc6 Rxa1 36. Rxa1 Qb7 37. Ra7 Qb6 38. Ra8 c4 39. Rxe8 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "17"]
[White "Calero, Carlos"]
[Black "Estevez Morales, Guillermo"]
[Result "1-0"]
[ECO "E24"]
[PlyCount "105"]
[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 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Ne4 6. Qc2 f5 7. Nh3 b6 8. f3 Nf6 9. Bg5 d6 10. Rd1 0-0 11. e3 Qe8 12. Bd3 Qg6 13. g4 h6 14. Bf4 Qf7 15. 0-0 e5 16. dxe5 dxe5 17. Bxe5 fxg4 18. Nf4 Nbd7 19. Ng6 Re8 20. f4 Bb7 21. Bxf6 Qxf6 22. c5 Bd5 23. Bb5 Be4 24. Qa2+ Kh7 25. Bxd7 Qxg6 26. Qf2 Red8 27. Qh4 Qf6 28. Qxf6 gxf6 29. c6 f5 30. Rd4 Kg7 31. Rxe4 fxe4 32. Rd1 Kf6 33. Rd4 Rf8 34. Rxe4 Rf7 35. Rd4 Re7 36. e4 h5 37. Kf2 Rf8 38. Kg3 Rh8 39. Kh4 Rh6 40. e5+ Kf7 41. Kg5 Kg7 42. Kf5 Rg6 43. Rd3 h4 44. Ke4 Kh6 45. Rd1 Rg8 46. Rg1 Kh5 47. Rg2 Rgg7 48. f5 Rg5 49. e6 Rg8 50. f6 Ree8 51. Bxe8+ Rxe8 52. Kf5 h3 53. Rg3 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "11"]
[White "Calero, Carlos"]
[Black "Gonzalez, Reynaldo"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "57"]
[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. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. 0-0 Nf6 7. Nc3 Bb4 8. Qd3 d6 9. Bd2 0-0 10. a3 Bc5 11. Nb3 Ba7 12. Bg5 Nbd7 13. Kh1 b5 14. Qg3 Kh8 15. f4 Bb7 16. Bd3 Ng8 17. Qh3 g6 18. f5 e5 19. f6 Qd8 20. Qh4 Nb6 21. Rf3 Bc8 22. g4 Nd7 23. Raf1 Re8 24. Nd5 Re6 25. Rh3 Nf8 26. Ne7 Qb6 27. Nxg8 Kxg8 28. Qh6 Rxf6 29. Bxf6 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "9"]
[White "Calero, Carlos"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "E59"]
[PlyCount "90"]
[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 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 0-0 7. Bd3 d5 8. Nf3 dxc4 9. Bxc4 Qc7 10. Bd3 Nc6 11. 0-0 e5 12. Qc2 Re8 13. e4 c4 14. Bxc4 exd4 15. cxd4 Na5 16. Bd3 Qxc2 17. Bxc2 Nxe4 18. Ne5 Nd6 19. Ba4 Rd8 20. Bg5 f6 21. Bd2 Ndc4 22. Nxc4 Nxc4 23. Bb3 Be6 24. Be3 Bd5 25. Bxc4 Bxc4 26. Rfc1 b5 27. Rc3 a6 28. f4 Rd7 29. Kf2 f5 30. g3 Kf7 31. Re1 Re8 32. h3 h5 33. h4 Ree7 34. Rcc1 Re4 35. Rc3 Ke6 36. Rb1 Kd5 37. Kf3 Ree7 38. Rb2 Rb7 39. Bf2 a5 40. Re3 Rxe3+ 41. Bxe3 b4 42. axb4 a4 43. Bd2 a3 44. Rb1 a2 45. Re1 Ra7 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "19"]
[White "Calero, Carlos"]
[Black "Lebredo Zaragoitia, Gerardo"]
[Result "1-0"]
[ECO "E00"]
[PlyCount "86"]
[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 e6 3. a3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Nf3 0-0 9. Bg2 Re8 10. 0-0 Na6 11. Nd2 Nc7 12. a4 Nd7 13. Nc4 Ne5 14. Na3 Na6 15. h3 f5 16. Bd2 Nb4 17. f4 Nf7 18. Nc4 Rb8 19. Kh2 b6 20. Nb1 a5 21. Bc3 Ba6 22. Nba3 Rb7 23. Qd2 h5 24. Rae1 Na2 25. Bxg7 Kxg7 26. b3 Nb4 27. e4 fxe4 28. f5 Qf6 29. Bxe4 g5 30. Bb1 Rbe7 31. Re6 Rxe6 32. dxe6 Ne5 33. Rf2 Nxc4 34. Nxc4 Bxc4 35. bxc4 Rd8 36. Be4 Kf8 37. Kg2 Ke7 38. Bd5 Rf8 39. Qd1 Rh8 40. Qe2 Rh7 41. Be4 h4 42. Qf3 hxg3 43. Rd2 Qe5 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "21"]
[White "Calero, Carlos"]
[Black "Mestre, Orlando"]
[Result "1-0"]
[ECO "E64"]
[PlyCount "108"]
[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. g3 Bg7 4. Bg2 c5 5. d5 d6 6. Nc3 0-0 7. Nf3 Na6 8. 0-0 Nc7 9. h3 Rb8 10. a4 b6 11. e4 Nd7 12. Nd2 a6 13. Qe2 e5 14. Kh2 f5 15. f4 exf4 16. gxf4 fxe4 17. Ndxe4 Re8 18. Ra3 Nf6 19. Qd1 b5 20. axb5 axb5 21. Nxf6+ Bxf6 22. Ne4 Bg7 23. b3 bxc4 24. bxc4 Rb4 25. Ra4 Qd7 26. Rxb4 cxb4 27. Ng3 Na6 28. f5 Be5 29. fxg6 hxg6 30. Bf4 Nc5 31. Qb1 Qg7 32. Bxe5 Rxe5 33. Qxb4 Qc7 34. Qd2 Kg7 35. Qd4 Ba6 36. Rf4 Nb3 37. Qd3 Nc5 38. Qc3 Bc8 39. h4 Kh7 40. Qf3 Kg7 41. h5 Bf5 42. Nxf5+ gxf5 43. Rxf5 Rxf5 44. Qxf5 Qe7 45. Kh3 Qe3+ 46. Kg4 Qe2+ 47. Kg3 Qe1+ 48. Kh3 Qe3+ 49. Qf3 Qe7 50. Qg4+ Kh8 51. Qd4+ Kh7 52. Bf3 Qe1 53. Kg4 Qe7 54. Qf4 Qg7+ 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "15"]
[White "Calero, Carlos"]
[Black "Meylan, Alejandro"]
[Result "1/2-1/2"]
[ECO "D55"]
[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. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bxf6 Bxf6 8. Qb3 c6 9. Rd1 Qa5 10. Be2 Nd7 11. 0-0 dxc4 12. Qxc4 Be7 13. a3 c5 14. Ne4 cxd4 15. Nxd4 Nf6 16. Nc3 Bd7 17. Bf3 Rab8 18. Qa2 Rfc8 19. Nde2 Bb5 20. Nxb5 Qxb5 21. Nd4 Qb6 22. Rc1 Bc5 23. Rc4 Bxd4 24. Rxd4 Rc2 25. Rb4 Qc7 26. Qb1 b6 27. Bd1 Rc5 28. Rd4 Rd8 29. Rxd8+ Qxd8 30. Bf3 Qc7 31. Rd1 g6 32. g3 Kg7 33. Kg2 Rc2 34. Re1 e5 35. Bd1 Rd2 36. Re2 Qc6+ 37. Kg1 Qd6 38. Rxd2 Qxd2 39. Qc2 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "3"]
[White "Calero, Carlos"]
[Black "Ortega, Rogelio"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "98"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. Be2 Nbd7 9. 0-0 h6 10. Bh4 Nc5 11. Qe3 0-0 12. Rad1 Ng4 13. Bxg4 Bxh4 14. e5 f5 15. Bh3 Qb6 16. Nb3 Qa7 17. g3 Bg5 18. f4 Bd8 19. exd6 Bb6 20. Nd4 Bd7 21. Bg2 Rfe8 22. Qe5 Rac8 23. Kh1 Kh8 24. Rd2 Ba5 25. a3 Bxc3 26. bxc3 Ne4 27. Bxe4 Rc5 28. Bg2 Rxe5 29. fxe5 Qc5 30. Rd3 Qxe5 31. Nf3 Qc5 32. Re1 e5 33. Nh4 e4 34. Rdd1 Kh7 35. g4 g6 36. Rf1 e3 37. Rf3 e2 38. Re1 Qxd6 39. Rd3 Qc7 40. gxf5 gxf5 41. Nf3 Bb5 42. c4 Bxc4 43. Rd4 Bb5 44. a4 Bc6 45. Rd2 Qf4 46. Rd3 Bxf3 47. Bxf3 Qh4 48. Rd7+ Kh8 49. Rxe2 Rxe2 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "5"]
[White "Calero, Carlos"]
[Black "Paz la Torre, Jose M"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "105"]
[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. Nd2 g6 4. c3 Nbd7 5. f4 e5 6. fxe5 dxe5 7. Ngf3 Bg7 8. Bc4 Qe7 9. 0-0 0-0 10. Qe2 c6 11. Bd3 Re8 12. Re1 Nh5 13. Nb3 a5 14. a4 Nf4 15. Bxf4 exf4 16. Qf2 Nf6 17. h3 Nh5 18. Nbd2 Bd7 19. e5 Be6 20. Ne4 Bf5 21. Nfd2 Reb8 22. Be2 Ng3 23. Nxg3 fxg3 24. Qxg3 b5 25. axb5 cxb5 26. Bf3 Ra7 27. Nb3 a4 28. Nc5 Qc7 29. Qf2 Bf8 30. g4 Be6 31. Ne4 b4 32. Kg2 bxc3 33. bxc3 a3 34. Nf6+ Kh8 35. Qe3 Bc4 36. h4 a2 37. Be4 Rb2+ 38. Kg3 Ra3 39. Rec1 Re2 40. Qf4 Be6 41. Bf3 Rb2 42. d5 Qc5 43. dxe6 Qf2+ 44. Kh3 Ra4 45. Ne4 f5 46. Nxf2 Rxf4 47. Kg3 Ra4 48. gxf5 gxf5 49. Nd3 Rb6 50. Rc2 Rba6 51. Rb2 Rxe6 52. Rbxa2 Rg6+ 53. Kh3 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "23"]
[White "Calero, Carlos"]
[Black "Planas Garcia, Francisco"]
[Result "1-0"]
[ECO "D61"]
[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 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 0-0 7. Qc2 c6 8. a3 Ne8 9. Bf4 h6 10. Bd3 b6 11. cxd5 exd5 12. b4 Bb7 13. Rb1 Bd6 14. Bg3 Qe7 15. 0-0 Bxg3 16. fxg3 Qxe3+ 17. Kh1 Qe7 18. Rbe1 Qd8 19. g4 Nd6 20. Re3 Re8 21. Rxe8+ Qxe8 22. Re1 Qd8 23. h4 c5 24. g5 cxd4 25. Ne2 Ne4 26. Nexd4 Rc8 27. Qa2 hxg5 28. Bxe4 dxe4 29. Nxg5 Ne5 30. Nf5 Qf6 31. Rf1 Ba6 32. Nxe4 Qd8 33. Qa1 Bxf1 34. Qxe5 f6 35. Ne7+ Kf8 36. Ng6+ Kg8 37. Qe6+ Kh7 38. Ne7 Bxg2+ 39. Kxg2 Rc2+ 40. Kh3 Qd3+ 41. Ng3 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "1"]
[White "Calero, Carlos"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "96"]
[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 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Bg5 h6 7. Bh4 Bg7 8. Bd3 0-0 9. Qd2 Na6 10. Rd1 Nc7 11. f3 a6 12. Nge2 Rb8 13. 0-0 b5 14. b3 g5 15. Bf2 Nh5 16. g4 b4 17. Na4 Nf4 18. Nxf4 exf4 19. Bb1 Bd7 20. Nxc5 dxc5 21. Bxc5 Be5 22. Bxb4 Qf6 23. Bxf8 Kxf8 24. h3 h5 25. Kg2 Kg7 26. Qf2 a5 27. Qc5 Na6 28. Qxa5 hxg4 29. hxg4 Bxg4 30. Qd2 Bd7 31. Rh1 g4 32. Rdg1 Rg8 33. Kf1 Bd4 34. Rg2 Kf8 35. Qd1 g3 36. Rh5 Rh8 37. e5 Bxe5 38. Bh7 Kg7 39. Qd3 Nc5 40. Qc2 Bd4 41. Re2 Be3 42. Kg2 Qa1 43. Rxe3 fxe3 44. Rh1 Qd4 45. Kxg3 f5 46. Rh4 Qf6 47. f4 Ne4+ 48. Kh3 Qxh4+ 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "12"]
[White "Cobo Arteaga, Eldis"]
[Black "Calero, Carlos"]
[Result "0-1"]
[ECO "A44"]
[PlyCount "60"]
[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 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. Nf3 e5 6. e4 Ne7 7. Be2 a6 8. h4 Bg4 9. Ng5 Bxe2 10. Qxe2 h6 11. Nh3 f5 12. f4 Nd7 13. fxe5 dxe5 14. h5 Qb6 15. Be3 g5 16. 0-0-0 f4 17. Bd2 Qd6 18. Nf2 0-0 19. Kb1 Rfb8 20. Ka1 b5 21. Rb1 Kh8 22. Nfd1 Nf6 23. cxb5 axb5 24. Nxb5 Rxa2+ 25. Kxa2 Qa6+ 26. Kb3 Rxb5+ 27. Kc2 Rxb2+ 28. Rxb2 Qxe2 29. Nc3 Qxg2 30. Ra1 Nxe4 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "16"]
[White "Fernandez Migoya, Jose"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "205"]
[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. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. c3 Nc6 6. e5 Nd7 7. Ne2 Qb6 8. Nf3 Be7 9. 0-0 a6 10. b3 cxd4 11. cxd4 0-0 12. Be3 Re8 13. a3 Nf8 14. b4 Bd7 15. Qd2 Rec8 16. Rfc1 Na7 17. h3 Qd8 18. Nc3 b5 19. Ne2 Be8 20. Ra2 Rxc1+ 21. Nxc1 Nc8 22. Nb3 Nb6 23. Nc5 Nc4 24. Qe2 Nd7 25. Nd2 Ndb6 26. Ndb3 Nd7 27. Bc1 Nxc5 28. dxc5 Qc7 29. f4 a5 30. Nd4 Qa7 31. Bb1 Rc8 32. Be3 g6 33. Bf2 a4 34. Bd3 Qc7 35. g3 Bf8 36. Nf3 Bg7 37. Bd4 Bd7 38. Nh2 Re8 39. Ng4 h5 40. Nf2 Qd8 41. h4 Bf8 42. Nh3 Be7 43. Qf3 f5 44. Nf2 Kg7 45. Nd1 Bc6 46. Nc3 Qd7 47. Ne2 Rh8 48. Qf2 Ba8 49. Kh1 Kh7 50. Nc3 Bc6 51. Kh2 Rd8 52. Ne2 Rf8 53. Bc3 Ba8 54. Nd4 Bc6 55. Ra1 Qc8 56. Qf3 Bd7 57. Qe2 Kh6 58. Be1 Bc6 59. Bf2 Qd7 60. Bg1 Qc8 61. Nc2 Qd8 62. Bd4 Bxh4 63. Rh1 Be7 64. Kg1 Kg7 65. Rh2 Kf7 66. Kf1 Ke8 67. Ke1 Kd7 68. Kd1 Kc7 69. Kc1 Rh8 70. Bf2 Qe8 71. Bxc4 dxc4 72. Nd4 Qd7 73. Qe3 Qd5 74. Be1 Qd7 75. Rd2 Qc8 76. Bf2 Rd8 77. Kb2 Rd5 78. Kc3 Qd7 79. Qe2 Bd8 80. Qd1 Kb7 81. Qe2 Bc7 82. Be3 Bb8 83. Qh2 Qe7 84. Qh4 Rd7 85. Qxe7 Rxe7 86. Nxc6 Kxc6 87. Rd8 Rd7 88. Rxd7 Kxd7 89. Kd4 Kc6 90. Bd2 Bc7 91. Bc1 Bd8 92. Be3 h4 93. gxh4 Bxh4 94. Bd2 Bf2+ 95. Be3 Be1 96. Bc1 c3 97. Kd3 Kd5 98. Be3 Bg3 99. Bc1 g5 100. fxg5 Bxe5 101. g6 f4 102. Bxf4 Bg7 103. Be3 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "2"]
[White "Garcia, Gilberto"]
[Black "Calero, Carlos"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "152"]
[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. Nf3 g6 2. e4 d6 3. d4 Bg7 4. Nc3 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 Bg4 8. Be3 Nf6 9. h3 Bd7 10. Qd2 0-0 11. Rfe1 Rb8 12. Rab1 Kh8 13. Bg5 Ng8 14. e5 h6 15. Bh4 Qc8 16. Qe3 Bf5 17. g4 Be6 18. b3 Bd7 19. Rbd1 f6 20. e6 Be8 21. Kh2 g5 22. Bg3 Bg6 23. d5 cxd5 24. Nxd5 Qb7 25. c4 c6 26. Nc3 f5 27. gxf5 Rxf5 28. Nd4 Rff8 29. Nde2 Nf6 30. c5 d5 31. Be5 Rbd8 32. f4 Nh7 33. Rg1 Rf5 34. Bxg7+ Kxg7 35. Ne4 Rdf8 36. N4g3 R5f6 37. f5 Rxf5 38. Nxf5+ Rxf5 39. Nd4 Qc7+ 40. Qg3 Rf2+ 41. Rg2 Rxg2+ 42. Kxg2 Be4+ 43. Kh2 Qa5 44. Qf2 Qc7+ 45. Kg1 Nf6 46. b4 Bg6 47. Qh2 Qb7 48. a3 Bh5 49. Rf1 a5 50. Nf5+ Kh7 51. Qe5 axb4 52. Qb2 b3 53. Qc3 Bg6 54. Qb2 Qb5 55. Nd4 Qxc5 56. Rc1 Bc2 57. Kg2 Qc4 58. Rxc2 bxc2 59. Qxc2+ Qxc2+ 60. Nxc2 c5 61. a4 Ne8 62. Ne3 Nc7 63. Nf5 Nxe6 64. Nxe7 Nc7 65. a5 Kg7 66. Kf3 h5 67. Nc6 Kf6 68. Nb8 Kf5 69. a6 g4+ 70. hxg4+ hxg4+ 71. Kg3 c4 72. a7 c3 73. Nc6 Ke4 74. Nb4 d4 75. Kf2 g3+ 76. Kxg3 d3 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "10"]
[White "Garcia Martinez, Silvino"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B12"]
[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. e4 c6 2. d4 d5 3. e5 e6 4. Nf3 c5 5. c3 Nc6 6. a3 Bd7 7. Bd3 c4 8. Bc2 Na5 9. 0-0 Be7 10. Kh1 Qc7 11. Ng5 Bxg5 12. Bxg5 h6 13. Bc1 g6 14. Nd2 Ne7 15. Qf3 Rh7 16. Qd1 Nf5 17. Nf3 Qd8 18. h3 a6 19. Nh2 Ne7 20. g3 Ng8 21. h4 h5 22. Nf3 Qb6 23. Bg5 Bc6 24. Bf6 Nxf6 25. exf6 Rh8 26. Ne5 Qd8 27. Qf3 Kf8 28. Rae1 Be8 29. Qf4 Nc6 30. Kg2 Nxe5 31. Rxe5 Rh7 32. Rh1 Qb6 33. Re2 Bd7 34. g4 e5 35. Rxe5 Qxb2 36. Rxh5 Kg8 37. Rxh7 Kxh7 38. h5 Qxc2 39. hxg6+ Kg8 40. Rh8+ Kxh8 41. Qh6+ Kg8 42. Qg7# 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "22"]
[White "Menendez, Jose Carlos"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "D87"]
[PlyCount "109"]
[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 g6 2. d4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. Be3 Qc7 10. Rc1 Nc6 11. 0-0 Na5 12. Bd3 c4 13. Bb1 b6 14. f4 Bg4 15. h3 Bd7 16. f5 Rad8 17. Qe1 Nb7 18. e5 Bc6 19. Qh4 Bxe5 20. dxe5 Qxe5 21. Qg3 Qxg3 22. Nxg3 Kg7 23. Bd4+ f6 24. Rce1 Rd7 25. h4 Nd6 26. h5 gxh5 27. Nxh5+ Kf7 28. Nf4 Rg8 29. Rf2 Nb5 30. Ne6 Rg4 31. Bc2 Nd6 32. Bd1 Rh4 33. Rf4 Rxf4 34. Bh5+ Kg8 35. Nxf4 Be4 36. g4 Bb7 37. Kh2 Kf8 38. Ne6+ Kg8 39. Kg3 Bd5 40. Kf4 Nf7 41. g5 fxg5+ 42. Nxg5 Nxg5 43. Kxg5 Bf7 44. Bf3 Kf8 45. Rh1 Bd5 46. Bxd5 Rxd5 47. Rxh7 Ra5 48. Kg6 Ke8 49. Rh2 Rd5 50. Re2 Kd8 51. Re5 Rd6+ 52. Kf7 Rf6+ 53. Kg7 Rc6 54. Re6 Rc7 55. Kf8 1-0

[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 "4"]
[White "Montesinos, Jose"]
[Black "Calero, Carlos"]
[Result "0-1"]
[ECO "D49"]
[PlyCount "68"]
[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 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Nxe5 12. Nxe5 axb5 13. Qf3 Bb4+ 14. Ke2 Qc7 15. Bxb5+ Kf8 16. Nc6 Bb7 17. Qb3 Bc5 18. Nb4 Bxg2 19. Re1 Qxh2 20. Kd1 Ke7 21. Bd2 Bd6 22. Bc6 Rab8 23. Qa3 Rhc8 24. Rc1 Kf8 25. Bxg2 Rxc1+ 26. Kxc1 Qxg2 27. Qa6 Bxb4 28. Bxb4+ Kg8 29. Qd6 Rc8+ 30. Kb1 Qxf2 31. a4 Qc2+ 32. Ka1 Nd5 33. a5 d3 34. a6 Qa4+ 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "8"]
[White "Perez Perez, Francisco Jose"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B63"]
[PlyCount "169"]
[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 d6 6. Bg5 h6 7. Bxf6 gxf6 8. Qd2 a6 9. 0-0-0 e6 10. f4 Qb6 11. Nb3 Bd7 12. Be2 0-0-0 13. Bh5 Be8 14. Rhf1 Be7 15. f5 Ne5 16. fxe6 fxe6 17. Bxe8 Rhxe8 18. Qxh6 Ng4 19. Qf4 Qe3+ 20. Nd2 f5 21. exf5 Qxf4 22. Rxf4 exf5 23. Nd5 Bg5 24. Rxf5 Re5 25. Rxg5 Rxg5 26. Nf3 Rg7 27. Rd2 Rh8 28. h3 Ne5 29. Nd4 Rf7 30. Nf5 Kb8 31. Nde3 Rd8 32. Nxd6 Rfd7 33. Nef5 Kc7 34. Ne4 Rxd2 35. Nxd2 Ng6 36. g3 Kd7 37. Kd1 Ke6 38. Ne3 Ne5 39. Ke2 Rh8 40. Ne4 b6 41. h4 Kf7 42. Nd5 b5 43. b3 Kg6 44. Ne7+ Kh6 45. Ke3 Rf8 46. Kd4 Nf3+ 47. Kc5 Ne1 48. c4 bxc4 49. bxc4 Nd3+ 50. Kd6 Rd8+ 51. Ke6 Rb8 52. c5 Rb4 53. Nf5+ Kg6 54. Nfd6 Rb2 55. a3 Ra2 56. c6 Rc2 57. Kd5 Nb2 58. Nc5 Rd2+ 59. Ke6 Rc2 60. Kd5 Rd2+ 61. Ke6 Rc2 62. Nde4 Na4 63. Nxa4 Rxc6+ 64. Ke5 Rc2 65. Nac5 a5 66. g4 a4 67. Nxa4 Ra2 68. Nac5 Rxa3 69. Ne6 Ra5+ 70. Kf4 Ra1 71. N6g5 Rh1 72. Nf3 Ra1 73. Ne5+ Kh6 74. Ng3 Ra2 75. g5+ Kh7 76. Ne4 Ra1 77. Nf6+ Kg7 78. h5 Rf1+ 79. Nf3 Rh1 80. Ke5 Ra1 81. Kf5 Kh8 82. Ne5 Ra5 83. g6 Kg7 84. Nfg4 Ra6 85. h6+ 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "18"]
[White "Santa Cruz, Hugo"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B97"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 Nfd7 12. Bc4 Bb4 13. Rb3 Qa5 14. 0-0 0-0 15. Bf6 Nxf6 16. exf6 Nd7 17. fxg7 Kxg7 18. Bxe6 fxe6 19. Nxe6+ Kg8 20. Nxf8 Nxf8 21. Qf4 Bc5+ 22. Kh1 Be6 23. Rxb7 Qxc3 24. Qh6 Bf5 25. Qg5+ Bg6 26. Qd5+ Kh8 27. Rb3 Qd4 28. Qxa8 Be4 29. Rxf8+ Kg7 30. Rg8+ Kf6 31. Qd8+ Qxd8 32. Rxd8 Bxc2 33. Rc3 Be7 34. Rxc2 Bxd8 35. Rc6+ 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "14"]
[White "Torres, Rafael"]
[Black "Calero, Carlos"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "74"]
[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 c5 3. Nf3 Nc6 4. g3 Be7 5. Bg2 d6 6. 0-0 Nf6 7. Re1 e5 8. Nbd2 Bg4 9. h3 Bd7 10. Nc4 0-0 11. a4 Rb8 12. Rf1 Ne8 13. Ne1 g6 14. Bh6 Ng7 15. f4 exf4 16. Bxf4 Be6 17. Nf3 Nh5 18. Bh6 Nxg3 19. Bxf8 Bxf8 20. Re1 Bh6 21. Ne3 Qd7 22. Nd5 Bg7 23. c3 Bxh3 24. Qd2 Nh5 25. Bxh3 Qxh3 26. Qg2 Qxg2+ 27. Kxg2 Nf6 28. Nxf6+ Bxf6 29. Rad1 g5 30. Rh1 Kg7 31. Rh5 h6 32. Rdh1 Rh8 33. Kh3 Nd8 34. Ng1 Kg6 35. Kg4 Ne6 36. Ne2 Ng7 37. R5h2 h5+ 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "24"]
[White "Yong, Alberto"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "E30"]
[PlyCount "173"]
[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 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bxf6 Qxf6 6. a3 Bxc3+ 7. bxc3 c5 8. Nf3 Nc6 9. e3 b6 10. Be2 0-0 11. Rc1 Qe7 12. d5 Na5 13. d6 Qf6 14. e4 Qg6 15. 0-0 Qxe4 16. Re1 Qf4 17. Bd3 Bb7 18. Ne5 Bc6 19. Re3 Qg5 20. g3 f5 21. f4 Qf6 22. Qh5 Kh7 23. Kf2 g6 24. Qh3 Kg7 25. Be2 h5 26. Bf3 Rac8 27. Qg2 Bxf3 28. Qxf3 Rcd8 29. h4 Kh6 30. Rce1 Rfe8 31. Rd1 Qg7 32. Red3 Rc8 33. Qe3 Nc6 34. Nf3 Kh7 35. Re1 Kg8 36. Kg2 Rf8 37. Qd2 Rce8 38. Rde3 Qf6 39. Ng5 Nd8 40. Nf3 Nf7 41. Qd1 Qd8 42. Rd3 Qb8 43. Qa4 Qb7 44. Kf2 Rc8 45. Qb3 Rc6 46. Qd1 Qa6 47. Qb3 Kg7 48. Red1 Qb7 49. a4 Qb8 50. Ne5 Nxe5 51. fxe5 f4 52. Rg1 Qd8 53. Qc2 Rc8 54. Kg2 Rf5 55. Qe2 Qf8 56. Rf1 fxg3 57. Rdf3 Qf7 58. Kxg3 Rf8 59. Rxf5 gxf5 60. Rg1 Kh6 61. Kf4 Rg8 62. Rg5 Rxg5 63. hxg5+ Kg6 64. Qg2 Qe8 65. Qb7 Qd8 66. Kf3 h4 67. Qc7 Qa8+ 68. Kf2 h3 69. Qxd7 Qg2+ 70. Ke1 Qg1+ 71. Ke2 Qg4+ 72. Kf2 Qf4+ 73. Kg1 Qxg5+ 74. Kf2 Qf4+ 75. Kg1 Qg3+ 76. Kf1 Qg2+ 77. Ke1 Qg1+ 78. Ke2 h2 79. Qxe6+ Kg5 80. Qf6+ Kg4 81. Qg6+ Kf4 82. Qh6+ Ke4 83. Qh4+ f4 84. Qh7+ Kxe5 85. Qe7+ Kf5 86. Qf7+ Kg5 87. Qg7+ 1/2-1/2

[Event "CUB-ch6"]
[Site "Cuba"]
[Date "1965.??.??"]
[Round "?"]
[White "Calero, Carlos"]
[Black "Zamora, F."]
[Result "1-0"]
[ECO "C51"]
[PlyCount "25"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. cxd4 Bb4+ 8. Kf1 Qe7 9. e5 d5 10. Bxd5 Be6 11. Bxc6+ bxc6 12. a3 Bc4+ 13. Kg1 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "11"]
[White "Calero, Carlos"]
[Black "Cadena, Juan Manuel"]
[Result "0-1"]
[ECO "B96"]
[PlyCount "130"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bxf6 Nxf6 11. Bd3 Bb7 12. Rhe1 Be7 13. g4 b4 14. Nce2 Nd7 15. g5 Nc5 16. Ng3 g6 17. h4 0-0-0 18. Kb1 Kb8 19. Qf1 Rd7 20. Rc1 Qb6 21. Nb3 Rc8 22. f5 Rdc7 23. Nxc5 Qxc5 24. f6 Bf8 25. Qf4 Qa5 26. Ne2 d5 27. e5 Bc5 28. Nd4 Qb6 29. Nb3 Bf8 30. h5 a5 31. hxg6 hxg6 32. Rh1 a4 33. Nd4 Bc5 34. Rh4 Ba6 35. Bxa6 Qxa6 36. Qd2 Qb6 37. Rd1 Rb7 38. Rh3 Qc7 39. Nf3 Be3 40. Qe2 b3 41. c3 bxa2+ 42. Kxa2 a3 43. b3 Qxc3 44. Nd4 Qb2+ 45. Qxb2 axb2 46. Kxb2 Bxg5 47. Nf3 Bf4 48. Rh4 g5 49. Rg4 Rc4 50. Ka2 Rc2+ 51. Kb1 Rc3 52. Nd4 Bxe5 53. Kb2 Rcxb3+ 54. Kc2 Bxd4 55. Rdxd4 Rf3 56. Rxg5 Rxf6 57. Rg8+ Kc7 58. Rh4 Kd6 59. Rh5 Rf3 60. Rd8+ Ke7 61. Rdh8 d4 62. Rh4 d3+ 63. Kc1 Rf2 64. Rc8 d2+ 65. Kc2 d1Q+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "7"]
[White "Calero, Carlos"]
[Black "Estrada Degrandi, Walter"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "138"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nde2 Be6 8. Bb3 Nbd7 9. Bxe6 fxe6 10. Ng3 Be7 11. Be3 0-0 12. f3 Nb6 13. Qe2 Rc8 14. Nd1 Nfd7 15. 0-0 d5 16. c3 Nc4 17. Bf2 Bg5 18. b3 Na3 19. Qb2 Qa5 20. Be1 b5 21. Kh1 Bf4 22. exd5 exd5 23. Ne2 Bg5 24. Nf2 b4 25. Nd3 bxc3 26. Bxc3 Qb5 27. Rad1 Be7 28. Rf2 d4 29. Be1 Rc2 30. Qa1 Nf6 31. Ng3 Rfc8 32. Rxc2 Rxc2 33. Nf2 Nh5 34. Nfe4 Nxg3+ 35. Bxg3 Qe2 36. Rg1 Bf6 37. h4 h5 38. Qe1 Qxe1 39. Rxe1 Rxa2 40. Nc5 Nc2 41. Re2 Ra1+ 42. Kh2 Ne3 43. Bf2 Nd5 44. Bg3 Nc3 45. Re1 Ra2 46. Bxe5 Bxh4 47. Bg3 Bxg3+ 48. Kxg3 Ne2+ 49. Kh4 g6 50. g4 hxg4 51. Kxg4 a5 52. Rd1 Kf7 53. f4 Rc2 54. Ne4 Rb2 55. Rd2 Rxd2 56. Nxd2 Ke6 57. Kf3 Nc1 58. Ke4 d3 59. Kd4 Kf5 60. Ke3 Kg4 61. Nc4 Nxb3 62. Ne5+ Kf5 63. Kxd3 g5 64. Kc4 a4 65. Kb4 Nc5 66. Nc4 Kxf4 67. Kxc5 g4 68. Kd4 g3 69. Ne3 a3 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "2"]
[White "Calero, Carlos"]
[Black "Foguelman, Alberto"]
[Result "1-0"]
[ECO "D96"]
[PlyCount "145"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. Bf4 c6 8. e3 Be6 9. Qb4 Qb6 10. Qxb6 axb6 11. Ng5 Bc8 12. Bc4 Nbd7 13. 0-0 Nh5 14. Bc7 Nhf6 15. Rfd1 Ne8 16. Bg3 b5 17. Bb3 Nb6 18. Nge4 b4 19. Ne2 Na4 20. Bxa4 Rxa4 21. Nc5 Ra5 22. Nd3 Rb5 23. Rac1 Nd6 24. b3 Bf5 25. Nc5 Ra8 26. Rd2 Bf8 27. Re1 Rba5 28. Nc1 b6 29. Bxd6 exd6 30. N5d3 d5 31. f3 Bxd3 32. Rxd3 Bh6 33. Kf2 Kf8 34. Re2 Ke7 35. Rc2 Kd6 36. Rdd2 c5 37. f4 cxd4 38. Rxd4 Rc5 39. Rdd2 Rac8 40. Rxc5 bxc5 41. e4 d4 42. Kf3 Bg7 43. Ne2 Kc6 44. g4 Ra8 45. Nc1 Rf8 46. Nd3 f5 47. gxf5 gxf5 48. e5 Kb5 49. Nb2 Rf7 50. Nc4 Bf8 51. Rg2 Kc6 52. h4 Kd5 53. h5 Ke6 54. Rg8 Kd7 55. Ke2 Ke6 56. Kd3 Kd7 57. Ke2 Ke6 58. Kf3 Kd5 59. Nb2 Ke6 60. Nd3 Kd5 61. Nb2 Ke6 62. Na4 Kd5 63. Nb6+ Ke6 64. Rh8 Ke7 65. Nd5+ Ke6 66. Nf6 h6 67. Kf2 Bg7 68. Re8+ Re7 69. Rd8 Ra7 70. Rd6+ Kf7 71. Nd5 Rxa2+ 72. Kf3 Ra7 73. e6+ 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "4"]
[White "Calero, Carlos"]
[Black "Garcia, Gilberto"]
[Result "0-1"]
[ECO "E18"]
[PlyCount "100"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Be7 5. g3 Bb7 6. Bg2 0-0 7. Qc2 d5 8. cxd5 exd5 9. 0-0 Nbd7 10. Nh4 g6 11. Bg5 Re8 12. Rac1 Nf8 13. e3 Ne6 14. Bxf6 Bxf6 15. Nf3 c5 16. dxc5 bxc5 17. Rfd1 d4 18. Ne4 Bxe4 19. Qxe4 Qb6 20. b3 dxe3 21. fxe3 Nd4 22. Qd3 c4 23. Qf1 Nf5 24. Qf2 Nxe3 25. Re1 c3 26. Kh1 Rad8 27. Bf1 Kg7 28. Re2 c2 29. Rexc2 Nxc2 30. Qxb6 axb6 31. Rxc2 Rc8 32. Rf2 Rc5 33. a4 Rf5 34. Kg2 Re3 35. Bc4 Be7 36. g4 Rf4 37. h3 Rc3 38. Bd5 Bc5 39. Rd2 h6 40. Kg3 Rd4 41. Rxd4 Bxd4 42. Kf4 Bc5 43. h4 f6 44. Kg3 Rc2 45. h5 Bd6+ 46. Kh3 Rc5 47. Bc4 gxh5 48. Nd4 hxg4+ 49. Kxg4 Kh8 50. Nf5 h5+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "9"]
[White "Calero, Carlos"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "134"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. Be3 Nf6 7. Nd2 b6 8. 0-0 Bb7 9. Bf3 d5 10. exd5 Nxd5 11. c4 Nxe3 12. fxe3 Be7 13. Bxb7 Qxb7 14. Qg4 0-0 15. Rf3 Nc6 16. Rh3 Nxd4 17. exd4 Rad8 18. Nb3 a5 19. Rd1 Qc6 20. d5 exd5 21. Qh5 Qg6 22. cxd5 a4 23. Nc1 Bc5+ 24. Kf1 Qf6+ 25. Qf3 Qxb2 26. Qe2 Qf6+ 27. Rf3 Qd6 28. g3 Rfe8 29. Qc4 Re5 30. Qxa4 Rxd5 31. Rdd3 Qe6 32. Qc2 Re8 33. Rxd5 Qxd5 34. Qb3 Qd7 35. g4 Rf8 36. h3 Qd4 37. Ne2 Qe5 38. Rf5 Qh2 39. Ke1 Kh8 40. Qd3 Qh1+ 41. Kd2 Ra8 42. Nc1 Bb4+ 43. Kc2 Rc8+ 44. Kb3 Rc3+ 45. Kxb4 Rxd3 46. Nxd3 Qb1+ 47. Kc3 Qxa2 48. Rb5 Qe6 49. Re5 Qc6+ 50. Kd4 h6 51. Nb4 Qd6+ 52. Nd5 b5 53. Re7 Qg3 54. Re3 Qd6 55. Rb3 f6 56. Re3 Qa6 57. Kc5 Qa5 58. Re8+ Kh7 59. Re7 b4+ 60. Kc4 Qa2+ 61. Kc5 b3 62. Rb7 Qf2+ 63. Kc4 b2 64. Nc3 Qf4+ 65. Kc5 Qe3+ 66. Kc4 Qxh3 67. Rxb2 Qxg4+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "13"]
[White "Calero, Carlos"]
[Black "Ortega, Rogelio"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "100"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 d6 4. Nf3 Nbd7 5. Nc3 Be7 6. g3 e5 7. e4 0-0 8. Bg2 a5 9. b3 Qe8 10. 0-0 exd4 11. Nxd4 Nc5 12. Re1 Bd8 13. Bb2 Bd7 14. h3 Qe5 15. Kh2 Qg5 16. Bc1 Qg6 17. f3 Re8 18. g4 h5 19. g5 h4 20. Ra2 Nh5 21. f4 Ng3 22. f5 Qh7 23. Rf2 c6 24. Bf4 Bb6 25. Bxg3 hxg3+ 26. Kxg3 d5 27. cxd5 Bc7+ 28. Kg4 g6 29. h4 Be5 30. dxc6 bxc6 31. Nce2 Rad8 32. b4 axb4 33. axb4 Nb7 34. Qb1 Nd6 35. Ref1 f6 36. Qb3+ Kh8 37. Rh1 gxf5+ 38. Nxf5 Qg6 39. Neg3 Bxg3 40. Kxg3 Bxf5 41. exf5 Nxf5+ 42. Kh2 Rd4 43. Qb1 Rxh4+ 44. Bh3 Re3 45. Kg1 Qxg5+ 46. Rg2 Ng3 47. Qa1 Ne2+ 48. Kf1 Rf4+ 49. Ke1 Ng3+ 50. Kd2 Qd5+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "8"]
[White "Cobo Arteaga, Eldis"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "D81"]
[PlyCount "42"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Be3 0-0 9. Be2 Nd7 10. Nf3 Nf6 11. Nd2 Qc7 12. 0-0 Ng4 13. Bxg4 Bxg4 14. f3 Be6 15. Qb2 Rad8 16. a4 b6 17. a5 b5 18. Nb3 a6 19. Nc5 Bc8 20. f4 e6 21. e5 f5 1/2-1/2

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "12"]
[White "De Greif, Boris"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "E85"]
[PlyCount "75"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 c6 11. Bc4 b5 12. Bb3 Bb7 13. Rc1 a5 14. dxc6 Bxc6 15. Nh3 a4 16. Bd1 Rc8 17. Be2 Nd7 18. 0-0 Nf8 19. Rfd1 Bd7 20. Nf2 Rxc1 21. Rxc1 Ne6 22. Kf1 Bf8 23. Nd3 f6 24. Nc5 Nxc5 25. Bxc5 Rc8 26. Be3 Rxc1+ 27. Bxc1 Bc5 28. b3 a3 29. Bd2 Bd4 30. Bb4 Bb2 31. Ke1 Be6 32. Bxb5 Bxb3 33. Bxa3 Bc3+ 34. Ke2 Bxa2 35. Kd3 Ba5 36. Bc4+ Bxc4+ 37. Kxc4 Kf7 38. Kd5 1/2-1/2

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "3"]
[White "Etcheverry, Eduardo"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "D60"]
[PlyCount "157"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. Qc2 Be7 7. e3 0-0 8. Bd3 h6 9. Bh4 Re8 10. 0-0 dxc4 11. Bxc4 Nd5 12. Bxe7 Qxe7 13. e4 N5b6 14. Bb3 Nf6 15. Rac1 Rd8 16. Rfd1 Bd7 17. e5 Nfd5 18. Ne4 Nf4 19. Nd6 Be8 20. g3 Ng6 21. Nd2 Rxd6 22. exd6 Qxd6 23. Ne4 Qe7 24. Qc5 Nd7 25. Qd6 Ndf8 26. Qxe7 Nxe7 27. Nd6 Rb8 28. f4 g6 29. g4 Bd7 30. Kf2 Kg7 31. Rg1 Nc8 32. Nc4 Kf6 33. g5+ hxg5 34. fxg5+ Ke7 35. Ke3 Nd6 36. Nxd6 Kxd6 37. Rcf1 Ke7 38. Rg4 Be8 39. Re4 Rd8 40. Rc1 Kd6 41. a4 a5 42. Rc5 b6 43. Rc1 Nd7 44. Bd1 Nb8 45. h4 Ke7 46. Be2 Bd7 47. Rf1 Rh8 48. Rh1 c5 49. d5 Kd6 50. dxe6 Bxe6 51. Rd1+ Kc7 52. Bc4 Bxc4 53. Rxc4 Nc6 54. Rf1 Rh7 55. Rcf4 Nd8 56. Ke4 Kd7 57. Kd5 Ke7 58. Re4+ Kd7 59. Rf6 Ne6 60. b3 Nc7+ 61. Kc4 Ne6 62. Kb5 Nc7+ 63. Kc4 Ne6 64. Kd5 Nc7+ 65. Ke5 Ne6 66. Rxe6 fxe6 67. Kf6 Rh8 68. Kxg6 Ke7 69. Kg7 Rd8 70. h5 Rd4 71. h6 Rxe4 72. h7 Rh4 73. h8Q Rxh8 74. Kxh8 b5 75. g6 c4 76. bxc4 bxc4 77. g7 Kd6 78. g8Q Kd5 79. Qd8+ 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "10"]
[White "Gadia, Olicio"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "107"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. g3 d6 4. Bg2 Nc6 5. Nge2 f5 6. d3 Nf6 7. 0-0 0-0 8. Na4 Bb6 9. Nxb6 axb6 10. h3 fxe4 11. dxe4 Be6 12. Nc3 Qd7 13. Kh2 Rf7 14. f4 g6 15. Be3 Re8 16. Qd3 Ref8 17. f5 gxf5 18. exf5 Nb4 19. fxe6 Nxd3 20. exd7 Nxb2 21. Rxf6 Rxf6 22. d8Q Rxd8 23. Bg5 Kg7 24. Bxf6+ Kxf6 25. Bxb7 Nc4 26. Rf1+ Kg7 27. Nd5 c5 28. Ba6 Nd2 29. Rf2 Ne4 30. Re2 Ng5 31. Nxb6 d5 32. a4 e4 33. a5 Kf6 34. Bb7 Nf3+ 35. Kg2 Nd4 36. Nxd5+ Ke5 37. Kf2 Rf8+ 38. Nf4 Nxe2 39. Kxe2 Rg8 40. Kf2 e3+ 41. Kf3 h5 42. h4 Kd6 43. a6 Kc7 44. Bd5 e2 45. Kxe2 Re8+ 46. Ne6+ Kb6 47. Kf3 Re7 48. Bc4 Rf7+ 49. Nf4 Rh7 50. Nd5+ Ka7 51. Nf6 Rh6 52. Ng8 Rd6 53. Ne7 Rd1 54. Nc8+ 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "6"]
[White "Letelier Martner, Rene"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "83"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. c4 dxc4 4. Na3 g6 5. Nxc4 Bg7 6. Nf3 Nf6 7. 0-0 0-0 8. d3 Nbd7 9. Bd2 Nd5 10. Qc1 N7b6 11. Bh6 Nxc4 12. dxc4 Nf6 13. Bxg7 Kxg7 14. Qc3 Qc7 15. e4 Kg8 16. e5 Nh5 17. Rad1 Ng7 18. h3 h6 19. Rd2 Be6 20. b3 Rad8 21. Rfd1 a6 22. a4 Kh7 23. a5 Qc8 24. Kh2 Rxd2 25. Qxd2 Qc7 26. Kg1 Bc8 27. Qe1 Ne6 28. Nd4 Rd8 29. Nxe6 Bxe6 30. Rxd8 Qxd8 31. Qb4 Qd7 32. Qb6 Kg7 33. Kh2 h5 34. h4 Bg4 35. Qe3 Bf5 36. Bf3 Qd3 37. Qxd3 Bxd3 38. g4 hxg4 39. Bxg4 e6 40. Kg3 Bc2 41. b4 Bd3 42. c5 1/2-1/2

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "5"]
[White "Lopez, Mario D"]
[Black "Calero, Carlos"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "88"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 Nge7 7. Nf5 Bxe3 8. Nxe3 d6 9. Bc4 0-0 10. Nd2 Ne5 11. Be2 Qh6 12. g3 f5 13. f4 fxe4 14. Nxe4 Nf7 15. Qd2 c6 16. 0-0-0 d5 17. Nf2 a5 18. h4 b5 19. Rde1 Qd6 20. Kb1 Nf5 21. Nxf5 Bxf5+ 22. Bd3 Nh6 23. Re5 Bxd3+ 24. Qxd3 Nf7 25. Re3 Rae8 26. Rhe1 Qd8 27. Ng4 Nd6 28. Ne5 Qc8 29. h5 Ne4 30. h6 gxh6 31. Qd4 Qb7 32. Rh1 c5 33. Qd1 Nf2 34. Qh5 Nxh1 35. Qxh1 Re7 36. Qxh6 d4 37. Re2 d3 38. Rd2 Rxe5 39. b3 Re1+ 40. Kb2 Qh1 41. Qg5+ Kh8 42. Rd1 Qg2+ 43. Ka3 b4+ 44. cxb4 axb4+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1963.??.??"]
[Round "1"]
[White "Vergara, Alejandro"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "87"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Qc7 7. 0-0 Nc6 8. Nde2 Bd6 9. Kh1 Bc5 10. Bf4 Ne5 11. h3 0-0 12. Bh2 b5 13. f4 Nxd3 14. cxd3 Bb7 15. Rc1 Qb6 16. f5 Be3 17. Rc2 d6 18. Ng3 Rac8 19. Re2 b4 20. Na4 Qd4 21. Qb3 e5 22. Rd1 d5 23. Nf1 Bf2 24. Rdd2 Rc1 25. Rxf2 dxe4 26. dxe4 Rxf1+ 27. Rxf1 Qxd2 28. Nc5 Bxe4 29. Nxe4 Nxe4 30. Bxe5 Re8 31. Qc4 Qe3 32. Qc6 Nf2+ 33. Rxf2 Qxe5 34. Qxa6 h6 35. f6 Qg3 36. Rf1 Re6 37. Qc8+ Kh7 38. Qxe6 fxe6 39. f7 b3 40. axb3 Qxb3 41. f8Q Qxb2 42. Qf7 Qe5 43. Qf4 Qd5 44. Re1 1-0

