[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "6"]
[White "Alonso, Jose"]
[Black "Yong, Alberto"]
[Result "0-1"]
[ECO "D04"]
[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. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Nbd2 Nbd7 5. Be2 e6 6. 0-0 c5 7. c3 Bd6 8. h3 Rc8 9. Nh4 Bg6 10. f4 Be4 11. Nhf3 Qc7 12. Ne5 0-0 13. g4 Ne8 14. Nxe4 dxe4 15. Qc2 Bxe5 16. fxe5 Qc6 17. Rf4 f5 18. gxf5 exf5 19. Bc4+ Kh8 20. d5 Qg6+ 21. Kh2 Nxe5 22. Qxe4 Nd6 23. Qc2 Nexc4 24. b3 Ne5 25. Ba3 Ne4 26. Rg1 Qd6 27. Kh1 Rf6 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "12"]
[White "Diaz Castellanos, Jose"]
[Black "Yong, Alberto"]
[Result "1/2-1/2"]
[ECO "B00"]
[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. e4 d6 2. d4 Nc6 3. Be3 Nf6 4. Nc3 Ng4 5. Bf4 e5 6. dxe5 Ngxe5 7. Be2 Be7 8. Qd2 Be6 9. a3 0-0 10. Nd5 f5 11. Nxe7+ Qxe7 12. exf5 Bxf5 13. Be3 Qe6 14. b3 Qg6 15. f4 Nf7 16. 0-0-0 Rae8 17. c3 Qe6 18. Bf2 Qxb3 19. Qb2 Qa4 20. Rd4 Nxd4 21. Bxd4 c5 22. Bxg7 Qxf4+ 23. Kd1 Kxg7 24. Nh3 Qa4+ 25. Kc1 Rxe2 26. Qxe2 Qxa3+ 27. Qb2 Qxb2+ 28. Kxb2 Ne5 29. Nf4 Nd3+ 30. Nxd3 Bxd3 31. Rd1 c4 32. Re1 Kf6 33. Re3 a5 34. g4 d5 35. h4 Be4 36. Re1 Ke5 37. h5 Rf2+ 38. Ka1 Rg2 39. Rf1 Rxg4 40. h6 b5 41. Kb2 b4 42. Rf8 Rg2+ 43. Ka1 b3 44. Rf5+ Kd6 45. Rf6+ Kc5 46. Rc6+ Kb5 47. Rc5+ Kb6 48. Rc6+ Kb7 49. Rc7+ Ka8 50. Rc8+ Ka7 51. Rc7+ Ka6 52. Rc6+ Kb5 53. Rc5+ Ka4 54. Rxa5+ 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "16"]
[White "Estevez Morales, Guillermo"]
[Black "Yong, Alberto"]
[Result "1-0"]
[ECO "C72"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 d6 6. 0-0 Be6 7. c3 Qd7 8. a4 Rb8 9. d4 Bg4 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Qe1 Bd6 13. f4 Be6 14. Bxe6 Qxe6 15. axb5 axb5 16. Qg3 Qg6 17. Qd3 Nf6 18. fxe5 Bxe5 19. Rf5 Bxh2+ 20. Kxh2 Ng4+ 21. Kg1 Qb6+ 22. Qd4 Qxd4+ 23. cxd4 0-0 24. Bf4 Rbd8 25. d5 g6 26. Rg5 Nf6 27. Nd2 Rd7 28. Ra3 Nh5 29. Be3 f6 30. Rg4 f5 31. exf5 Rxf5 32. Bh6 Rfxd5 33. Ra8+ Rd8 34. Rxd8+ Rxd8 35. Nf3 Nf6 36. Rd4 Ra8 37. Bg5 c5 38. Rd2 Ra1+ 39. Kh2 Ne4 40. Rd8+ Kf7 41. Rd7+ Ke6 42. Re7+ Kd5 43. Re5+ Kc6 44. Rxe4 Ra2 45. Bf6 Ra7 46. Re6+ Kd5 47. Re5+ Kc4 48. Rxc5+ 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "10"]
[White "Gonzalez, Reynaldo"]
[Black "Yong, Alberto"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "97"]
[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 e6 4. d5 exd5 5. exd5 Qe7+ 6. Be2 Ne5 7. 0-0 d6 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. Re1 f6 11. Nxe5 dxe5 12. f4 0-0-0 13. c4 Bd6 14. fxe5 Bxe5 15. Nc3 Ne7 16. Be3 Nf5 17. Bf2 Bd4 18. Bxd4 Nxd4 19. Ne4 Qc7 20. b4 b6 21. bxc5 bxc5 22. Rb1 f5 23. Ng5 Rd6 24. Qa4 Rb6 25. Rxb6 Qxb6 26. h3 f4 27. Re7 h6 28. Nf7 Rf8 29. Rxa7 Kb8 30. Ra8+ Kc7 31. Rxf8 Qb1+ 32. Kh2 Nf3+ 33. gxf3 Qb2+ 34. Kg1 Qc1+ 35. Kf2 Qd2+ 36. Kf1 Qd3+ 37. Ke1 Qe3+ 38. Kd1 Qd3+ 39. Kc1 Qe3+ 40. Kb1 Qe1+ 41. Kb2 Qd2+ 42. Qc2 Qb4+ 43. Kc1 Qa3+ 44. Kd1 Qxf3+ 45. Qe2 Qh1+ 46. Kc2 Kb6 47. Rb8+ Ka7 48. Rb1 Qxh3 49. Qe7+ 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "8"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Yong, Alberto"]
[Result "1/2-1/2"]
[ECO "B32"]
[PlyCount "36"]
[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 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qe7 8. Qd1 Nf6 9. Nc3 h6 10. Be2 Nd4 11. Bd3 d6 12. 0-0 Be6 13. f4 Qc7 14. Kh1 0-0-0 15. f5 Bc4 16. Be3 d5 17. b3 Bxd3 18. cxd3 Nc6 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "18"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Yong, Alberto"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "71"]
[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. g3 Nbd7 4. Bg2 c6 5. 0-0 Qc7 6. c4 dxc4 7. Qc2 b5 8. Bf4 Qb6 9. a4 Nd5 10. Bd2 e6 11. e4 Nb4 12. Bxb4 Bxb4 13. Nc3 Bb7 14. Rad1 0-0 15. d5 cxd5 16. exd5 Bxc3 17. dxe6 fxe6 18. Rxd7 Bxf3 19. Qxc3 Rf6 20. Bxf3 Raf8 21. Rb7 Qc5 22. Rxb5 Qc8 23. Be2 a6 24. Re5 Qc7 25. Bxc4 Kh8 26. b3 Rf3 27. Re3 Qb7 28. Rxf3 Rxf3 29. Qd4 Qe7 30. Re1 Rf6 31. Qb6 h6 32. Rxe6 Rxe6 33. Qxe6 Qd8 34. Qg6 Qd7 35. Be6 Qe7 36. Qf7 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "20"]
[White "Mestre, Orlando"]
[Black "Yong, Alberto"]
[Result "1-0"]
[ECO "A09"]
[PlyCount "111"]
[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 d5 2. c4 d4 3. d3 Nc6 4. g3 e5 5. Bg2 Nf6 6. 0-0 Bg4 7. Nbd2 Qd7 8. Re1 0-0-0 9. a3 Bh3 10. Bh1 h5 11. b4 Re8 12. b5 Nd8 13. Qa4 Kb8 14. Qc2 h4 15. a4 hxg3 16. fxg3 Bb4 17. Ba3 Bc3 18. Bb2 Bxd2 19. Qxd2 Ng4 20. e4 dxe3 21. Rxe3 Nxe3 22. Qxe3 f6 23. a5 Bf5 24. Ne1 e4 25. d4 Qf7 26. d5 Qh5 27. h4 Qh6 28. Qf2 Bd7 29. Bd4 e3 30. Qf3 Qh5 31. b6 axb6 32. axb6 Qxf3 33. bxc7+ Kxc7 34. Bxf3 Nf7 35. c5 Ra8 36. d6+ Kb8 37. Rb1 Nd8 38. Bxe3 Ra3 39. Bf2 Re8 40. Kg2 Ra2 41. Nd3 Nc6 42. Nb4 Nxb4 43. Rxb4 Ree2 44. Rxb7+ Kc8 45. Rc7+ Kd8 46. Bxe2 Rxe2 47. c6 Be6 48. Rxg7 Rd2 49. c7+ Kc8 50. Kf1 Rxd6 51. h5 f5 52. Be3 Rd7 53. Rxd7 Kxd7 54. h6 Bg8 55. Bf4 Bh7 56. Ke2 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "14"]
[White "Meylan, Alejandro"]
[Black "Yong, Alberto"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "38"]
[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 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 Ne4 7. Bxe7 Qxe7 8. Rc1 c6 9. Bd3 f5 10. 0-0 0-0 11. Ne5 Nxe5 12. dxe5 Rd8 13. Qe2 Nc5 14. Bb1 Nd7 15. f4 Nf8 16. Rfd1 a6 17. c5 Bd7 18. Qc2 Be8 19. Ne2 Bh5 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "2"]
[White "Ortega, Rogelio"]
[Black "Yong, Alberto"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "97"]
[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 Nc6 3. Be3 Nf6 4. f3 e5 5. d5 Ne7 6. Bd3 Ng6 7. Ne2 Nh5 8. Qd2 Be7 9. Nbc3 Bd7 10. 0-0-0 a6 11. g3 b5 12. Rdf1 b4 13. Nd1 a5 14. f4 Qb8 15. f5 Nf8 16. g4 Nf6 17. Nf2 Bb5 18. Kb1 N8d7 19. Ng3 h6 20. h4 Nc5 21. g5 Ng8 22. Nh5 Bf8 23. f6 gxf6 24. gxf6 Qb7 25. Rhg1 0-0-0 26. Qe2 Nxd3 27. cxd3 Qa6 28. Rc1 Kb8 29. Ka1 Nxf6 30. Nxf6 Be7 31. N6g4 Bxh4 32. Nxh6 Rh7 33. Nf5 Bxf2 34. Qxf2 Bxd3 35. Ne7 Rdh8 36. Qf5 Bb5 37. Rg8+ Rxg8 38. Qxh7 Re8 39. Qxf7 a4 40. Rxc7 a3 41. Ra7 Rh8 42. Bg1 Qb6 43. Qg7 axb2+ 44. Kxb2 Rh2+ 45. Ka1 Rh1 46. Qg8+ Kxa7 47. Nc8+ Ka6 48. Nxb6 Bd3 49. Qa8+ 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "4"]
[White "Paz la Torre, Jose M"]
[Black "Yong, Alberto"]
[Result "0-1"]
[ECO "D12"]
[PlyCount "52"]
[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 Bf5 4. Nc3 c6 5. e3 e6 6. a3 Nbd7 7. cxd5 exd5 8. Bd3 Bxd3 9. Qxd3 Bd6 10. h3 Qe7 11. g4 Nb6 12. Nd2 0-0 13. b3 Rae8 14. Qf5 Ne4 15. Ndxe4 dxe4 16. h4 g6 17. Qa5 Qe6 18. Qxa7 Nd5 19. Nxd5 Qxd5 20. Qb6 f5 21. g5 f4 22. h5 fxe3 23. fxe3 Rf7 24. Bd2 Ra8 25. a4 gxh5 26. Rxh5 Ra6 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "22"]
[White "Planas Garcia, Francisco"]
[Black "Yong, Alberto"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "75"]
[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. e3 Bg4 4. c4 c6 5. Nc3 e6 6. Qb3 Qb6 7. Qxb6 axb6 8. Ne5 Bf5 9. f3 h6 10. g4 Bh7 11. cxd5 exd5 12. Bd3 Bxd3 13. Nxd3 Nbd7 14. Bd2 Bd6 15. Kf2 0-0-0 16. h3 Kb8 17. Rad1 Rde8 18. Rde1 Nh7 19. e4 dxe4 20. fxe4 f6 21. Bf4 Bxf4 22. Nxf4 g5 23. Nh5 Re7 24. Ng3 Nhf8 25. Nf5 Reh7 26. Ne2 h5 27. Nfg3 hxg4 28. hxg4 Rxh1 29. Rxh1 Rxh1 30. Nxh1 c5 31. Ke3 Ng6 32. Nf2 Kc7 33. d5 Nde5 34. b3 Nh4 35. Ng3 Kd7 36. Nf1 b5 37. Nd2 Ng2+ 38. Ke2 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "25"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Yong, Alberto"]
[Result "1-0"]
[ECO "A08"]
[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. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 f5 6. c4 Nf6 7. cxd5 Nxd5 8. Nc3 Nc7 9. Nd2 Be7 10. Bxc6+ bxc6 11. Nc4 Bf6 12. Be3 Nd5 13. Bxc5 Be7 14. Bxe7 Qxe7 15. Qa4 Bd7 16. Qa5 Nxc3 17. bxc3 e4 18. Qc7 0-0 19. Ne5 Rfc8 20. Qxd7 Qxe5 21. dxe4 fxe4 22. Rab1 Rc7 23. Qd4 Qe6 24. Rb4 Re8 25. Qc4 Qd5 26. Rd1 Qxc4 27. Rxc4 Re6 28. Rdd4 Kf7 29. Rxe4 c5 30. Rxe6 Kxe6 31. e4 Kd6 32. Kg2 Kc6 33. a4 Rd7 34. Kf3 Kd6 35. Ke3 Re7 36. f4 Rb7 37. f5 Rb1 38. e5+ Kd5 39. Rg4 Re1+ 40. Kd2 Rxe5 41. c4+ Kd6 42. Rxg7 Rxf5 43. Rxh7 a5 44. Ke3 Re5+ 45. Kd3 Re1 46. Rh6+ Kc7 47. Ra6 Rh1 48. Rxa5 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "19"]
[White "Yong, Alberto"]
[Black "Cabrera Escanelles, Armando"]
[Result "0-1"]
[ECO "B10"]
[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 c6 2. f4 e5 3. Nf3 exf4 4. d4 Nf6 5. Bd3 d5 6. e5 Nh5 7. Nc3 Bg4 8. 0-0 Nd7 9. h3 Be6 10. Nh2 g6 11. Bxf4 Nxf4 12. Rxf4 Bh6 13. Rf3 Qb6 14. Ne2 Nxe5 15. b3 Nxf3+ 16. Nxf3 0-0 17. Qe1 Rae8 18. Qg3 Bc8 19. Kh1 f5 20. Qh4 Bg7 21. c4 Qd8 22. Qf2 dxc4 23. Bxc4+ Be6 24. Rd1 Bxc4 25. bxc4 Qe7 26. Nf4 Qe3 27. Qxe3 Rxe3 28. d5 Rd8 29. Ng5 Bh6 30. Nge6 Re8 31. Nd3 R3xe6 32. dxe6 Rxe6 33. Nc5 Re7 34. Nd3 Be3 35. g3 Re4 36. Ne1 Bf2 37. Nf3 Bxg3 38. Rd7 Rxc4 39. Rxb7 Ra4 40. Kg2 Bf4 41. Rb2 c5 42. Rc2 Be3 43. Ne5 Bd4 44. Nc4 Ra6 45. Kf3 Kf7 46. h4 h6 47. Nd2 Ke6 48. Nc4 Kd5 49. Ke2 Re6+ 50. Kd3 Re4 51. Rg2 Rxh4 52. Ne3+ Bxe3 53. Kxe3 g5 54. Rd2+ Ke5 55. Rd7 Rh3+ 56. Kf2 Rh2+ 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-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "11"]
[White "Yong, Alberto"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "B30"]
[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. Nc3 Nc6 4. Bb5 Qc7 5. 0-0 Nge7 6. Re1 a6 7. d4 axb5 8. Nxb5 Qb8 9. d5 Na7 10. Nc3 Ng6 11. e5 d6 12. exd6 Bxd6 13. Ne4 e5 14. Nxd6+ Qxd6 15. Nxe5 0-0 16. Nc4 Qf6 17. a4 Bd7 18. a5 Nc8 19. Be3 b5 20. axb6 Nxb6 21. Rxa8 Rxa8 22. Nxb6 Qxb6 23. b3 Qb4 24. h3 c4 25. Re2 cxb3 26. cxb3 Rb8 27. Rb2 h6 28. Qc1 Rc8 29. Qd1 Qc3 30. Bd4 Qc1 31. Qxc1 Rxc1+ 32. Kh2 Rd1 33. Be3 Rxd5 34. b4 Bb5 35. Rc2 Ne5 36. Rc7 Nd7 37. Rc8+ Kh7 38. Rc7 Kg6 39. h4 f5 40. Rc3 Kf7 41. Rc7 Kf6 42. Bc1 g5 43. Rc8 f4 44. Bb2+ Kf5 45. hxg5 hxg5 46. f3 Rd2 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "15"]
[White "Yong, Alberto"]
[Black "Fernandez Migoya, Jose"]
[Result "0-1"]
[ECO "A85"]
[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. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Nf3 c6 5. g3 Qc7 6. Bg2 e5 7. d5 g6 8. Bg5 Nbd7 9. Qd2 Bg7 10. dxc6 bxc6 11. Rd1 e4 12. Bxf6 Bxf6 13. Nd4 Ne5 14. b3 0-0 15. 0-0 Qe7 16. Na4 Bd7 17. Qa5 Rfc8 18. Nc2 Be8 19. Rfe1 Nf7 20. Qd2 d5 21. c5 Rd8 22. Nd4 Ng5 23. e3 Rdb8 24. Qc3 Rb7 25. Rd2 Rab8 26. Rb1 Ne6 27. Bf1 Rb4 28. Rbd1 Bd7 29. Ba6 Ng5 30. Be2 Qg7 31. Kg2 Ne6 32. Kh1 h5 33. Bf1 h4 34. gxh4 Qh6 35. Bg2 Qxh4 36. f4 exf3 37. Bxf3 Ng5 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "1"]
[White "Yong, Alberto"]
[Black "Garcia, Gilberto"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "118"]
[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 Nc6 3. Nc3 dxc4 4. d5 Na5 5. e4 Bd7 6. Nf3 e6 7. Ne5 exd5 8. Nxd7 Qxd7 9. exd5 0-0-0 10. Be2 Nf6 11. Bg5 Kb8 12. Qc2 Re8 13. Bxf6 gxf6 14. 0-0 Bb4 15. Bf3 b6 16. Rad1 Rhg8 17. Rfe1 Bd6 18. Rxe8+ Qxe8 19. g3 Rh8 20. Rd2 h5 21. Re2 Qd7 22. Qe4 h4 23. Bg4 Qd8 24. Kg2 hxg3 25. hxg3 a6 26. a4 Qf8 27. Qf5 Qh6 28. Bh3 Be5 29. Re4 Qc1 30. Qd7 Nb7 31. Rxc4 Rd8 32. Qxf7 Qxb2 33. Bg4 Na5 34. d6 Bxd6 35. Bf3 Nxc4 36. Qxc4 Bc5 37. Nd1 Qe5 38. Qxa6 c6 39. Bxc6 Qe7 40. Bf3 Qa7 41. Qc4 Qh7 42. Qa6 Qa7 43. Qb5 Qd7 44. Qa6 Qa7 45. Qc4 Qh7 46. a5 Qd3 47. Qe6 Qd7 48. Qe4 Re8 49. Qa8+ Kc7 50. axb6+ Kxb6 51. Qa2 Qd4 52. Qb3+ Ka5 53. Bc6 Bb4 54. Qa4+ Kb6 55. Bxe8 Qe4+ 56. f3 Qe2+ 57. Nf2 Be1 58. Qd4+ Kc7 59. Bg6 Bxf2 1-0

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "9"]
[White "Yong, Alberto"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "A49"]
[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 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nbd2 d6 6. 0-0 c6 7. c3 Qc7 8. Nc4 b5 9. Ncd2 Nbd7 10. Re1 e5 11. a4 Bb7 12. Qb3 a6 13. e4 Rab8 14. Qc2 Rfe8 15. axb5 cxb5 16. Qd3 Rbc8 17. d5 Nb6 18. Nf1 Nbxd5 19. exd5 e4 20. Qd1 exf3 21. Rxe8+ Rxe8 22. Bxf3 Nd7 23. Ne3 Nc5 24. Ng4 h5 25. Ne3 a5 26. Rb1 Ba6 27. Bd2 a4 28. Nc2 Bc8 29. Nd4 Bxd4 30. cxd4 Nb3 31. Be3 Bf5 32. Qf1 Rxe3 33. fxe3 Nd2 34. Rc1 Nxf3+ 35. Kf2 Qe7 36. Kxf3 Qe4+ 37. Kf2 Bg4 38. Qe1 b4 39. Kg1 Bh3 40. Qe2 b3 41. Re1 1/2-1/2

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "21"]
[White "Yong, Alberto"]
[Black "Menendez, Jose Carlos"]
[Result "0-1"]
[ECO "E38"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 0-0 6. Qc2 d5 7. a3 Bxc3+ 8. bxc3 Nc6 9. Bd3 dxc4 10. Bxc4 Qc7 11. Rb1 e5 12. d5 Ne7 13. Ng5 e4 14. Qb2 Qd6 15. Nh3 Nexd5 16. Ng1 Be6 17. Ne2 Nxe3 18. Bxe3 Bxc4 19. 0-0 Bd3 20. Rfd1 Qa6 21. Ng3 Bxb1 22. Rxb1 Qd6 23. h3 Qe5 24. Qc2 b6 25. c4 Rfd8 26. Bc1 Rd3 27. Bb2 Qf4 28. Bxf6 gxf6 29. Nh5 Qg5 30. Qe2 Rad8 31. Ng3 f5 32. Nf1 Rxh3 33. Ne3 Rh6 34. Rd1 Rd4 0-1

[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

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "3"]
[White "Yong, Alberto"]
[Black "Montesinos, Jose"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "110"]
[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 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Bxf6 Nxf6 9. Qc2 0-0 10. Bd3 Re8 11. f4 c5 12. 0-0 Qd8 13. a3 cxd4 14. axb4 dxc3 15. bxc3 e5 16. c5 e4 17. Be2 Ng4 18. Bxg4 Bxg4 19. Nb3 Qc7 20. Qd2 Red8 21. Ra2 Bd7 22. Rfa1 a6 23. Na5 Bb5 24. Qd4 Bd3 25. Rf2 f5 26. Qe5 Qd7 27. Nb3 Re8 28. Qd4 Qf7 29. Nc1 Bc4 30. Ne2 Qh5 31. Qd2 Re6 32. Ng3 Qg4 33. Qd1 Qxd1+ 34. Rxd1 g6 35. Ne2 a5 36. Nd4 Ree8 37. Rb2 a4 38. Ra1 a3 39. Rba2 Bxa2 40. Rxa2 Rec8 41. Kf1 Kf7 42. Ke1 Kf6 43. Kd1 g5 44. Kd2 h5 45. fxg5+ Kxg5 46. Ne6+ Kf6 47. Nf4 Ke5 48. Ng6+ Kf6 49. Nf4 h4 50. Ke1 Rd8 51. Nh5+ Ke5 52. Nf4 Rg8 53. Kf2 Rg4 54. g3 hxg3+ 55. hxg3 Rg7 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "7"]
[White "Yong, Alberto"]
[Black "Perez Perez, Francisco Jose"]
[Result "0-1"]
[ECO "A68"]
[PlyCount "66"]
[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. f4 0-0 6. Nf3 c5 7. d5 e6 8. Bd3 exd5 9. cxd5 b5 10. Bxb5 Nxe4 11. Nxe4 Qa5+ 12. Kf2 Qxb5 13. Nxd6 Qb6 14. Nc4 Qa6 15. Ne3 Nd7 16. Qc2 Rb8 17. Rd1 Rb4 18. g3 Nf6 19. a3 Re4 20. Ne5 Re8 21. Kg1 Bh3 22. Re1 c4 23. Bd2 Bf8 24. Kh1 Qb5 25. a4 Qb7 26. Ng2 Qxd5 27. Rxe4 Bxg2+ 28. Kxg2 Nxe4 29. Qxc4 Qxd2+ 30. Kh1 Rxe5 31. fxe5 Nf2+ 32. Kg1 Ng4 33. Qf4 Bc5+ 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "17"]
[White "Yong, Alberto"]
[Black "Santa Cruz, Hugo"]
[Result "0-1"]
[ECO "C42"]
[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. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 d6 5. d3 h6 6. Qe2 Nc6 7. Be3 Bg4 8. a3 Ba5 9. h3 Nd4 10. Qd1 Nxf3+ 11. gxf3 Bh5 12. Rg1 g5 13. b4 Bb6 14. Rg3 Bg6 15. Qd2 Nh5 16. Rg1 Nf4 17. Bxf4 gxf4 18. Nd5 c6 19. Nxb6 Qxb6 20. Rd1 0-0-0 21. Qc3 Rhe8 22. d4 d5 23. Be2 exd4 24. Rxd4 dxe4 25. Rxd8+ Qxd8 26. fxe4 Bxe4 27. Kf1 Qh4 28. Rg4 Qe7 29. Rxf4 f5 30. Qg3 Bxc2 31. Bf3 Qf7 32. Bg2 Rg8 33. Qc3 Qg6 34. Qxc2 Qxg2+ 35. Ke1 Re8+ 36. Kd2 Qd5+ 37. Kc3 Qe5+ 38. Rd4 Rd8 39. Qd3 Kc7 40. Qe3 Qxd4+ 41. Qxd4 Rxd4 42. Kxd4 Kd6 43. a4 b6 44. h4 h5 45. f3 a6 46. a5 c5+ 47. bxc5+ bxc5+ 48. Kc4 f4 49. Kc3 Kd5 50. Kd3 c4+ 51. Kc2 Kd4 52. Kd2 c3+ 53. Kc2 Kc4 54. Kd1 Kd3 0-1

[Event "CUB-ch"]
[Site "Havana"]
[Date "1966.??.??"]
[Round "13"]
[White "Yong, Alberto"]
[Black "Torres, Rafael"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "48"]
[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. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 c6 10. 0-0 h6 11. Be3 Nbd7 12. Rad1 Re8 13. Rd3 Ng4 14. Bc1 Nc5 15. Rdd1 f5 16. exf5 gxf5 17. h3 Nf6 18. Rd6 Nce4 19. Nxe4 Nxe4 20. Rdd1 Be6 21. Rfe1 Rad8 22. Nh2 Bf7 23. Nf1 f4 24. f3 Nd6 1/2-1/2

