[Event "Lima Santisimo op"]
[Site "Lima"]
[Date "2014.09.05"]
[Round "5"]
[White "Pena, Gustavo"]
[Black "Arroyo Valenzuela, Luigi"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2003"]
[BlackElo "1568"]
[PlyCount "48"]
[EventDate "2014.08.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bf4 Bd6 6. Qd2 0-0 7. h3 Qc7 8. Bxd6 Qxd6 9. c5 Qc7 10. Ne5 Nbd7 11. f4 Nxe5 12. fxe5 Nd7 13. 0-0-0 b6 14. cxb6 axb6 15. e4 Rd8 16. Qg5 Bb7 17. Kb1 c5 18. Nb5 Qc6 19. exd5 Qxd5 20. b3 Qe4+ 21. Bd3 Qxg2 22. Qe7 Rxa2 23. Qxd8+ Nf8 24. Bxh7+ Kxh7 0-1

[Event "Lima Santisimo op"]
[Site "Lima"]
[Date "2014.08.31"]
[Round "4"]
[White "Landa, Jonathan"]
[Black "Pena, Gustavo"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "2003"]
[PlyCount "30"]
[EventDate "2014.08.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. Qe2+ Be7 5. d4 Nf6 6. Be3 0-0 7. 0-0-0 Bb4 8. Qd3 Nc6 9. a3 Ba5 10. b4 Bb6 11. b5 Na5 12. Be2 Qd6 13. Nf3 Nc4 14. Bd2 Qxa3+ 15. Kb1 Qb2# 0-1

[Event "Lima Santisimo op"]
[Site "Lima"]
[Date "2014.08.31"]
[Round "3"]
[White "Pena, Gustavo"]
[Black "Venegas, Gabriel"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2003"]
[PlyCount "47"]
[EventDate "2014.08.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 c6 3. e4 Qc7 4. Bd3 d5 5. e5 Bd7 6. Ng5 f5 7. exf6 gxf6 8. Qh5+ Kd8 9. Nf7+ Kc8 10. Nxh8 Qd8 11. Bxh7 Ne7 12. Bf4 Na6 13. Nf7 Qe8 14. Nd6+ Kc7 15. Nxe8+ Kd8 16. Qf7 Bxe8 17. Qxf8 Kd7 18. Qxf6 Nb4 19. 0-0 b6 20. Re1 Kd8 21. Qxe6 Na6 22. Qxe7+ Kc8 23. Bf5+ Bd7 24. Qxd7# 1-0

[Event "Lima Santisimo op"]
[Site "Lima"]
[Date "2014.08.30"]
[Round "2"]
[White "Bejarano, Miguel Angel"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "2003"]
[PlyCount "65"]
[EventDate "2014.08.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. h3 g6 4. Bf4 Bg7 5. e3 Nd5 6. Bh2 0-0 7. c4 Nf6 8. Bd3 Nfd7 9. Nc3 e5 10. dxe5 dxe5 11. e4 Nc5 12. Bc2 Nc6 13. 0-0 Be6 14. Qe2 f6 15. Rfd1 Qe7 16. Nd5 Bxd5 17. cxd5 Kh8 18. dxc6 bxc6 19. Qc4 f5 20. b4 Nxe4 21. Bxe4 fxe4 22. Qxe4 Rab8 23. Rab1 c5 24. Nxe5 cxb4 25. Nxg6+ hxg6 26. Qxe7 Rbe8 27. Qh4+ Kg8 28. Qxb4 Bh6 29. Qc4+ Kh8 30. Rd7 Rf5 31. Qxc7 Rb5 32. Rh7+ Kg8 33. Qf7# 1-0

[Event "Lima Santisimo op"]
[Site "Lima"]
[Date "2014.08.30"]
[Round "1"]
[White "Pena, Gustavo"]
[Black "Guerra, Jose"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2003"]
[BlackElo "1832"]
[PlyCount "66"]
[EventDate "2014.08.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. e3 Be7 5. d4 0-0 6. Be2 b6 7. d5 d6 8. 0-0 e5 9. Ng5 h6 10. Nge4 Nxe4 11. Nxe4 f5 12. Nc3 Nd7 13. e4 Nf6 14. Bd3 f4 15. Be2 g5 16. h3 Bd7 17. Bg4 Bxg4 18. hxg4 Qd7 19. f3 Kg7 20. g3 h5 21. gxh5 Nxh5 22. Ne2 fxg3 23. Kg2 Nf4+ 24. Kxg3 Qh3+ 25. Kf2 Qg2+ 26. Ke3 Nh3 27. Nc3 g4 28. Nb5 Rf7 29. Bd2 Raf8 30. Kd3 Rxf3+ 31. Rxf3 Rxf3+ 32. Kc2 Bg5 33. Kc1 Rf1 0-1

[Event "Pardubice Czech op"]
[Site "Pardubice"]
[Date "2007.07.26"]
[Round "7"]
[White "Swinkels, Robin"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2440"]
[BlackElo "2003"]
[PlyCount "135"]
[EventDate "2007.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 Be7 9. a5 Be6 10. Be2 0-0 11. 0-0 Nbd7 12. Ng5 Qc6 13. Qb1 Rfe8 14. Rd1 Rac8 15. Ra4 Nc5 16. Rb4 Bd8 17. Qa1 Nfd7 18. Nxe6 fxe6 19. Qa2 Qc7 20. Rc4 b5 21. axb6 Nxb6 22. Rb4 Nbd7 23. Bxc5 dxc5 24. Ra4 Nb6 25. Rxa6 c4 26. Qa5 Rb8 27. Ra7 Qc6 28. Qxe5 Bf6 29. Qg3 Qc5 30. Rc7 Qa5 31. f4 Nd5 32. Rxc4 Qb6+ 33. Qf2 Nxf4 34. Qxb6 Rxb6 35. Na4 Rbb8 36. Bg4 h5 37. Bf3 g5 38. g3 Nh3+ 39. Kg2 g4 40. Bxg4 hxg4 41. e5 Bxe5 42. Rxg4+ Kf7 43. Kxh3 Bxb2 44. Nxb2 Rxb2 45. Rd7+ Kf6 46. Rf4+ Ke5 47. Rc7 Kd6 48. Rfc4 e5 49. Rc8 Re7 50. Rd8+ Ke6 51. Kg4 Rg7+ 52. Kf3 Ra2 53. Rc6+ Ke7 54. Rc7+ Kxd8 55. Rxg7 Rxc2 56. h4 Rc1 57. Rg5 Re1 58. Kf2 Re4 59. Kf3 Re1 60. Kf2 Re4 61. h5 Ke7 62. h6 Rb4 63. h7 Rb2+ 64. Kg1 Rb1+ 65. Kg2 Kf6 66. h8Q+ Kxg5 67. Qxe5+ Kh6 68. Qf6+ 1-0

[Event "Pardubice Czech op"]
[Site "Pardubice"]
[Date "2007.07.24"]
[Round "5"]
[White "Markgraf, Alexander"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2452"]
[BlackElo "2003"]
[PlyCount "115"]
[EventDate "2007.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 Be7 9. Be2 0-0 10. 0-0 Be6 11. a5 Nbd7 12. Ng5 Qc6 13. Qd3 Rac8 14. Nxe6 fxe6 15. Bf3 Rf7 16. Rfd1 Bf8 17. Rd2 Nc5 18. Qc4 Qe8 19. Qe2 Rfc7 20. Rdd1 Qg6 21. Re1 Rc6 22. Bd2 Qf7 23. Red1 Ncd7 24. Be1 Rc5 25. Qd3 Nh5 26. g3 Qg6 27. Bg2 Nhf6 28. Na4 Rc4 29. b3 Rd4 30. Qe2 Rxd1 31. Rxd1 d5 32. c4 dxc4 33. Rc1 c3 34. Rxc3 Rxc3 35. Bxc3 Nc5 36. Nxc5 Bxc5 37. Qc4 Nd7 38. b4 Bf8 39. Bh3 Kf7 40. Qc7 Ke7 41. Qxb7 Qh5 42. Kg2 Qe2 43. Qc6 Nf6 44. Qxe6+ Kd8 45. Qc8+ Ke7 46. Qc7+ Ke8 47. Qc6+ Kd8 48. Bf5 Qc2 49. Qc8+ Ke7 50. Qe6+ Kd8 51. Bxe5 Qd3 52. Bxf6+ gxf6 53. Qxf6+ Ke8 54. Qe6+ Kd8 55. Bxh7 Qd4 56. Qd5+ Qxd5 57. exd5 Bxb4 58. Bd3 1-0

[Event "Pardubice Czech op"]
[Site "Pardubice"]
[Date "2007.07.22"]
[Round "3"]
[White "Boskovic, Drasko"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2473"]
[BlackElo "2003"]
[PlyCount "123"]
[EventDate "2007.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 d5 7. d3 e6 8. Qe2 Rd8 9. e5 Nge7 10. Re1 h6 11. h4 Nf5 12. g4 Nfe7 13. h5 g6 14. Nh4 gxh5 15. gxh5 Bg7 16. f4 Rg8 17. Kh1 f6 18. Qh2 d4 19. c4 Nb4 20. Qe2 Qc6+ 21. Kh2 fxe5 22. a3 Na6 23. fxe5 Kd7 24. Bf4 Rdf8 25. Rf1 Qc7 26. Kh3 Nb8 27. Nd2 Nbc6 28. Rae1 b6 29. b4 cxb4 30. axb4 Nxb4 31. Ne4 Qc6 32. Qb2 a5 33. Qxd4+ Kc8 34. Re2 Bh8 35. Nd6+ Kb8 36. Ref2 Nc8 37. Qe3 Nxd6 38. exd6 e5 39. Bg3 Rxf2 40. Rxf2 Qxd6 41. d4 Qe6+ 42. Kh2 Qxc4 43. dxe5 Nd5 44. Qf3 Nc7 45. Nf5 Rf8 46. Qe3 Qe6 47. Nd6 Rxf2+ 48. Qxf2 Ka7 49. Qc2 Qd7 50. Qe4 Ne6 51. Qd5 Kb8 52. Bf2 Nf4 53. Qb3 Qc6 54. Qg8+ Ka7 55. Qf7+ Ka6 56. Qxf4 Qd5 57. Bg3 Qa2+ 58. Kh3 Qe6+ 59. Qg4 Qxg4+ 60. Kxg4 a4 61. e6 Bf6 62. Bf4 1-0

[Event "Pardubice Czech op"]
[Site "Pardubice"]
[Date "2007.07.21"]
[Round "2"]
[White "Pena, Gustavo"]
[Black "Orlov, Andrey"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2003"]
[BlackElo "2477"]
[PlyCount "108"]
[EventDate "2007.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 b6 7. h4 Ba6 8. Bxa6 Nxa6 9. a4 Qd7 10. Qe2 Nb8 11. h5 h6 12. Rh3 Nbc6 13. Rg3 Nf5 14. Rf3 Na5 15. Rf4 Nc4 16. Nf3 Qc6 17. Nd2 g5 18. hxg6 fxg6 19. Nxc4 dxc4 20. Qf3 Qxf3 21. Rxf3 h5 22. Bg5 Kd7 23. Rb1 a5 24. Rf4 Raf8 25. Bf6 Rh7 26. Rf3 Ne7 27. Rg3 h4 28. Rg4 Nd5 29. Kd2 Nxf6 30. exf6 Rxf6 31. Ke3 Rh5 32. Rh1 g5 33. Rh3 Kd6 34. f3 c6 35. Re4 Rhh6 36. Rg4 Rhg6 37. Rh1 b5 38. Ra1 Rf5 39. axb5 Rxb5 40. Ra4 Rh6 41. Rxc4 h3 42. gxh3 Rxh3 43. Rc5 Rxc5 44. dxc5+ Kxc5 45. Rxg5+ Kb6 46. Re5 a4 47. Rxe6 Rh1 48. Re4 Ra1 49. Kd3 Kb5 50. Rb4+ Kc5 51. Rc4+ Kd5 52. Rd4+ Kc5 53. Rc4+ Kb5 54. Rb4+ Kc5 1/2-1/2

[Event "World op 19th"]
[Site "Philadelphia"]
[Date "1991.??.??"]
[Round "6"]
[White "Pena, Gustavo"]
[Black "Paschall, William M"]
[Result "1-0"]
[ECO "E68"]
[PlyCount "74"]
[EventDate "1991.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. Re1 c6 11. Nc2 Nb6 12. b3 a5 13. Bf4 Nh5 14. Bd2 a4 15. Rc1 axb3 16. axb3 Nd7 17. Ne3 Nc5 18. Qc2 Ra3 19. b4 Ne6 20. Qb2 Ra8 21. Ne2 Ng5 22. f4 Nh3+ 23. Kf1 Be6 24. Nc3 Qb6 25. Qb3 Qd4 26. Nb1 b5 27. Qc3 Bxc4+ 28. Re2 Bxe2+ 29. Kxe2 N3xf4+ 30. gxf4 Nxf4+ 31. Kf1 Nxg2 32. Qxd4 Bxd4 33. Nxg2 Ra1 34. Ne3 Bxe3 35. Bxe3 Rxe4 36. Ke2 Rxb4 37. Rxc6 Rbxb1 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.11"]
[Round "14"]
[White "Pena, Gustavo"]
[Black "Sorri, Kari Juhani"]
[Result "0-1"]
[ECO "B18"]
[PlyCount "62"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Finland"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 e6 8. 0-0 Ngf6 9. Qe2 Be7 10. c3 Nd5 11. Ne5 N5b6 12. Bb3 Nxe5 13. Qxe5 Bf6 14. Qe2 0-0 15. Ne4 Be7 16. Bd2 Qc7 17. f4 Nd7 18. g4 Bxe4 19. Qxe4 c5 20. f5 Nf6 21. Qe2 exf5 22. Rxf5 cxd4 23. cxd4 Qd7 24. Raf1 Qxd4+ 25. Be3 Qe4 26. g5 Ng4 27. Rxf7 Rxf7 28. Rxf7 Kh8 29. Bd4 Qxd4+ 30. Kh1 Bc5 31. Qf1 Nf2+ 0-1

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.10"]
[Round "13"]
[White "Pena, Gustavo"]
[Black "Teboudi, K."]
[Result "1-0"]
[ECO "B02"]
[PlyCount "81"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "TUN"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 Nxc3 7. dxc3 Nc6 8. Bf4 Bxc5 9. Qg4 g5 10. Qxg5 Qxg5 11. Bxg5 Rg8 12. Bf4 b5 13. Be2 b4 14. Nf3 bxc3 15. bxc3 Rxg2 16. Bg3 Bb7 17. Rb1 Bb6 18. c4 Rxg3 19. fxg3 Nxe5 20. Rf1 Nxc4 21. Nd2 Ne3 22. Rf6 Bc6 23. Bh5 0-0-0 24. Rxf7 Nf5 25. Bf3 Ba5 26. Bxc6 dxc6 27. Rb2 Nd6 28. Rf4 e5 29. Rg4 h5 30. Rh4 Nf5 31. Rxh5 Bc3 32. Rc2 Bxd2+ 33. Rxd2 Nd4 34. Kf2 Rf8+ 35. Ke3 Rf3+ 36. Ke4 Ra3 37. Rxe5 Nf3 38. Re8+ Kb7 39. Rb2+ Ka6 40. Kf4 Nd4 41. h4 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.08"]
[Round "11"]
[White "Flatow, Alfred"]
[Black "Pena, Gustavo"]
[Result "1/2-1/2"]
[ECO "C14"]
[PlyCount "80"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Australia"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "AUS"]
[BlackTeamCountry "DOM"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4 6. Bxe7 Qxe7 7. Nxe4 dxe4 8. c3 Nd7 9. Qg4 f5 10. exf6 Nxf6 11. Qg5 Bd7 12. Bb5 0-0-0 13. Ne2 Rhe8 14. Bxd7+ Rxd7 15. 0-0 e5 16. Rfe1 exd4 17. Nxd4 Qe5 18. Qxe5 Rxe5 19. Re2 Red5 20. h3 c5 21. Nc2 Rd2 22. Rae1 Kc7 23. Kh2 R7d3 24. Ne3 b5 25. Nf1 Rxe2 26. Rxe2 Rd1 27. Nd2 Ra1 28. a3 Ra2 29. Nb3 c4 30. Nd4 Kb6 31. Kg3 Nd7 32. Rxe4 Rxb2 33. Re6+ Kc5 34. Ra6 Nb6 35. Rxa7 Na4 36. Ne6+ Kb6 37. Rxg7 Nxc3 38. Rxh7 Nd5 39. Rh5 Rd2 40. Rh8 c3 1/2-1/2

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.05"]
[Round "9"]
[White "Salinas, U."]
[Black "Pena, Gustavo"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "30"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Bolivia"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "BOL"]
[BlackTeamCountry "DOM"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Ne7 6. Nbc3 c6 7. 0-0 Bf5 8. Bf4 Qc7 9. Bxd6 Qxd6 10. Ng3 Bxd3 11. Qxd3 0-0 12. Rae1 Nd7 13. Nf5 Nxf5 14. Qxf5 Rae8 15. Nd1 Re6 1/2-1/2

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.03"]
[Round "7"]
[White "Pena, Gustavo"]
[Black "Littleton, Michael Flannan"]
[Result "0-1"]
[ECO "E83"]
[PlyCount "52"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "IRL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. d5 Ne5 8. h3 e6 9. f4 Ned7 10. Qd2 exd5 11. exd5 Re8 12. 0-0-0 h5 13. Bd3 a6 14. Nf3 b5 15. Rhe1 Nb6 16. f5 Bxf5 17. cxb5 Bxd3 18. Qxd3 axb5 19. Qxb5 Rxe3 20. Rxe3 Bh6 21. Qd3 Qe7 22. Rde1 Re8 23. Kd2 Bxe3+ 24. Rxe3 Qxe3+ 25. Qxe3 Nc4+ 26. Kd3 Nxe3 0-1

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.10.01"]
[Round "5"]
[White "Jamieson, Peter Michael"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C85"]
[PlyCount "63"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Scotland"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "SCO"]
[BlackTeamCountry "DOM"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. Qe1 Nd7 8. d3 0-0 9. Nbd2 f6 10. Nc4 Nc5 11. h3 Be6 12. Ne3 Qd7 13. Bd2 Na4 14. b3 Nb6 15. Kh1 Rad8 16. g4 h5 17. gxh5 Kf7 18. Nh4 Rh8 19. Qe2 Bxh3 20. Rg1 g5 21. Nhf5 Bxf5 22. Nxf5 Nc8 23. Qf3 Nd6 24. Nxd6+ cxd6 25. Rxg5 d5 26. Bc3 Ke6 27. Bxe5 dxe4 28. dxe4 Qd2 29. Qf5+ Kf7 30. Rag1 Qd7 31. Qg6+ Ke6 32. Bh2 1-0

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.09.29"]
[Round "3"]
[White "Pena, Gustavo"]
[Black "Onat, Ilhan"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "82"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Turkey"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "TUR"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nbd7 10. Bd3 a6 11. Nge2 b5 12. 0-0 Kh8 13. Rac1 Ng8 14. g4 Nb6 15. Ng3 Bd7 16. b3 Rb8 17. Kh1 f6 18. Rg1 Rf7 19. Rc2 Be8 20. Qf2 Bh6 21. Rb1 Bxe3 22. Qxe3 Rfb7 23. Nce2 Nd7 24. Kg2 a5 25. h4 Nc5 26. h5 Kg7 27. Rh1 Rc8 28. Rcc1 Nxd3 29. Qxd3 Rxc1 30. Nxc1 Qb6 31. hxg6 hxg6 32. Qd2 Rc7 33. Nce2 b4 34. g5 fxg5 35. Qxg5 Rc2 36. f4 exf4 37. Qxf4 Bb5 38. Rf1 Bxe2 39. Qf8+ Kh8 40. Rf7 Bg4+ 41. Kh1 Qd4 0-1

[Event "Olympiad-20 Final C"]
[Site "Skopje"]
[Date "1972.09.27"]
[Round "1"]
[White "Sawadkuhi, Massoud Amir"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "73"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Iran"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "IRI"]
[BlackTeamCountry "DOM"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 c5 7. Nf3 Nc6 8. 0-0 Be7 9. d3 0-0 10. Bd2 Be6 11. c4 f6 12. Ne1 Qd7 13. Nc2 Rfd8 14. Ne3 Bf8 15. Re1 Ne7 16. Bc3 Rab8 17. a4 g6 18. Qb3 b6 19. Qb2 Bg7 20. Reb1 Nc6 21. Qb5 Nd4 22. Qxd7 Bxd7 23. Bxd4 exd4 24. Nd5 Re8 25. Bf3 g5 26. Nc7 Re7 27. a5 g4 28. Bd5+ Kf8 29. Na6 Rbe8 30. axb6 axb6 31. Rxb6 Rxe2 32. Nxc5 Bf5 33. Ra7 Bg6 34. Nd7+ Ke7 35. Nxf6+ Kf8 36. Nd7+ Ke7 37. Ne5+ 1-0

[Event "Olympiad-20 Preliminaries A"]
[Site "Skopje"]
[Date "1972.09.23"]
[Round "5"]
[White "Pena, Gustavo"]
[Black "Stull, Norbert"]
[Result "0-1"]
[ECO "E83"]
[PlyCount "84"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Luxembourg"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "LUX"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 a6 8. Bd3 Rb8 9. Nge2 Bd7 10. 0-0 e5 11. d5 Ne7 12. c5 Ne8 13. Rac1 f5 14. f4 fxe4 15. Bxe4 Nf5 16. Bf2 exf4 17. Nxf4 dxc5 18. Bxc5 Ned6 19. Bd3 Qg5 20. Kh1 Rbe8 21. Rce1 Bh6 22. Qc2 Rxe1 23. Rxe1 Qxf4 24. Ne4 Bg7 25. g3 Qf3+ 26. Kg1 Nd4 27. Qd2 Qxe4 28. Bxe4 Nxe4 29. Bxf8 Nxd2 30. Re7 Bxf8 31. Rxd7 Bd6 32. Rd8+ Kg7 33. Rb8 b6 34. Kf2 Nc4 35. b3 Ne5 36. Ke3 Nf5+ 37. Ke4 Ng4 38. Ra8 a5 39. Kd3 Nxh2 40. Kc4 Bxg3 41. Kb5 h5 42. Kc6 Ne7+ 0-1

[Event "Olympiad-20 Preliminaries A"]
[Site "Skopje"]
[Date "1972.09.22"]
[Round "4"]
[White "Pena, Gustavo"]
[Black "Diaz Diaz, Joaquin Carlos"]
[Result "0-1"]
[ECO "A75"]
[PlyCount "90"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Cuba"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "CUB"]

1. d4 c5 2. Nf3 Nf6 3. c4 d6 4. d5 e6 5. e4 exd5 6. cxd5 g6 7. Nc3 Bg7 8. Be2 0-0 9. 0-0 Bg4 10. a4 a6 11. Nd2 Bxe2 12. Qxe2 Nbd7 13. Nc4 Nb6 14. Bf4 Nxc4 15. Qxc4 Ng4 16. Qe2 Ne5 17. Bg3 Re8 18. f4 Nd7 19. Qd3 Rc8 20. Rae1 c4 21. Qc2 Nc5 22. Re2 Nd3 23. Nd1 b5 24. axb5 axb5 25. Kh1 Qb6 26. Nc3 Qd4 27. f5 Qb6 28. f6 Bh6 29. Nd1 b4 30. Nf2 Qd4 31. Ng4 Bf8 32. Qd2 Rc7 33. Nh6+ Kh8 34. Qg5 c3 35. Nf5 gxf5 36. Bxd6 h6 37. Qh5 Nf2+ 38. Rexf2 Qxf2 39. Rxf2 cxb2 40. g3 b1Q+ 41. Kg2 Qxe4+ 42. Kg1 Rc1+ 43. Rf1 Qd4+ 44. Kg2 Rc2+ 45. Kh3 Qe4 0-1

[Event "Olympiad-20 Preliminaries A"]
[Site "Skopje"]
[Date "1972.09.21"]
[Round "3"]
[White "Pena, Gustavo"]
[Black "Sloth, Jorn"]
[Result "1/2-1/2"]
[ECO "E20"]
[PlyCount "88"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "DEN"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. a3 Bxc3 6. Bxc3 Ne4 7. Qc2 Nxc3 8. Qxc3 d6 9. e4 e5 10. dxe5 dxe5 11. Rd1 Qe7 12. Be2 a5 13. Nf3 Nc6 14. h3 f6 15. 0-0 Be6 16. c5 Qf7 17. b4 axb4 18. axb4 Kh8 19. b5 Na5 20. b6 Nb3 21. Rd3 cxb6 22. cxb6 Rfc8 23. Qb2 Nc5 24. Ra3 Rxa3 25. Qxa3 Nxe4 26. Rc1 Rxc1+ 27. Qxc1 Qe7 28. Qe3 Nd6 29. Qc5 Kg8 30. Nd2 Kf7 31. Bf3 Kf8 32. Qa3 f5 33. Bd1 Kf7 34. Nf3 Nc4 35. Qa1 Kf6 36. Bb3 Qd6 37. Bxc4 Bxc4 38. Qc1 Be6 39. Qg5+ Kf7 40. Qh5+ Kf8 41. Qxh7 e4 42. Ng5 Qd8 43. Kh2 Qd6+ 44. Kg1 Qd1+ 1/2-1/2

[Event "Olympiad-20 Preliminaries A"]
[Site "Skopje"]
[Date "1972.09.19"]
[Round "1"]
[White "Rantanen, Yrjo A"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C85"]
[PlyCount "113"]
[EventDate "1972.09.18"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "DOM"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. Nc3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Qe2 Nd7 11. d4 f6 12. Rd1 Qc8 13. Be3 0-0 14. Nh4 Bf7 15. Nf5 Qe8 16. f4 Bb4 17. Qf3 Bc4 18. Ne2 g6 19. Nfg3 exf4 20. Nxf4 Qe7 21. h4 Rae8 22. h5 g5 23. Nh3 h6 24. Nf2 Be6 25. Nf5 Bxf5 26. Qxf5 Nb6 27. c3 Nc4 28. Re1 Bd6 29. Kg2 Nxb2 30. Rab1 Na4 31. Rxb7 Nxc3 32. Rb3 Nxa2 33. Bd2 Rb8 34. Reb1 Rb5 35. Rxb5 axb5 36. Rb2 Ra8 37. e5 fxe5 38. Ne4 Qf7 39. Nf6+ Kg7 40. Qh7+ Kxf6 41. dxe5+ Bxe5 42. Qxh6+ Ke7 43. Qxc6 Bxb2 44. Bxg5+ Bf6 45. Bxf6+ Qxf6 46. Qxa8 Nc3 47. Qa3+ Kf7 48. Qc5 c6 49. g5 Ne4 50. Qa7+ Qe7 51. g6+ Ke6 52. Qa2+ Ke5 53. Qa1+ Kf5 54. Qf1+ Kg5 55. Qf7 Qc5 56. g7 Nf6 57. Qg6+ 1-0

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "4"]
[White "Fernan, Charles A"]
[Black "Pena, Gustavo"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "54"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Netherlands Antilles"]
[BlackTeam "Dominican Republic"]
[WhiteTeamCountry "AHO"]
[BlackTeamCountry "DOM"]

1. Nf3 d5 2. c4 d4 3. d3 Nc6 4. g3 e5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Ne1 Bd6 9. Ne4 Nxe4 10. Bxe4 Bh3 11. Ng2 Be6 12. e3 f5 13. Bf3 Rc8 14. Re1 Qf6 15. a3 dxe3 16. Nxe3 Nd4 17. Bd5 c6 18. Bxe6+ Nxe6 19. b4 f4 20. Ng4 Qf5 21. Bb2 fxg3 22. fxg3 Ng5 23. Kg2 h5 24. Bxe5 Rce8 25. Bxd6 Rxe1 26. Qxe1 Qf3+ 27. Kg1 Nh3# 0-1

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "2"]
[White "Hoyt, Walter"]
[Black "Pena, Gustavo"]
[Result "0-1"]
[ECO "C98"]
[PlyCount "84"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "US Virgin Islands"]
[BlackTeam "Dominican Republic"]
[WhiteTeamCountry "ISV"]
[BlackTeamCountry "DOM"]

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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 15. Ng3 g6 16. Bh6 Ng7 17. Qe2 f6 18. a4 Rb8 19. axb5 axb5 20. Ra2 Nf7 21. Be3 Bd7 22. Rea1 f5 23. Bd2 f4 24. Nf1 g5 25. N1h2 h5 26. Ne1 Nh6 27. f3 Ne8 28. Nd3 Nf6 29. Nf2 Kf7 30. Kf1 Rg8 31. Ke1 g4 32. hxg4 hxg4 33. Nd3 Nh5 34. Nf1 gxf3 35. gxf3 Bh3 36. Qh2 Qc8 37. Nf2 Bh4 38. Ra7+ Kf8 39. Ke2 Rg2 40. Rc7 Qxc7 41. Qxh3 Rxf2+ 42. Kd1 Qe7 0-1

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "5"]
[White "Pena, Gustavo"]
[Black "Campos Ruiz, Alberto"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "120"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "MEX"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. Bd3 Nbd7 6. Nf3 b6 7. cxd5 exd5 8. 0-0 Bb7 9. Qa4 0-0 10. Ba6 Qc8 11. Bxb7 Qxb7 12. b4 a6 13. Qc2 b5 14. Bd2 Nb6 15. Ne5 Nc4 16. Nxc4 dxc4 17. Qb2 Nd5 18. Ne2 f5 19. f3 Bg5 20. e4 Bxd2 21. Qxd2 fxe4 22. fxe4 Nf6 23. e5 Nd5 24. Ng3 Qc6 25. Rae1 c3 26. Qg5 h6 27. Qg4 Rxf1+ 28. Rxf1 Ne3 29. Nf5 Nxf5 30. Qxf5 Qc4 31. e6 c2 32. Rc1 Qxd4+ 33. Qf2 Qd1+ 34. Qe1 Qxe1+ 35. Rxe1 Re8 36. Rc1 Rxe6 37. Rxc2 Re4 38. a3 Re3 39. Rxc7 Rxa3 40. Ra7 Ra2 41. h3 h5 42. h4 Ra4 43. g3 Ra2 44. Kf1 Kh7 45. Re7 Kg6 46. Re4 Kf5 47. Rf4+ Ke5 48. Rf7 g6 49. Rf4 Rc2 50. Rf8 Rc4 51. Ra8 Rxb4 52. Rxa6 Rg4 53. Kf2 Kd4 54. Ra3 b4 55. Rf3 Kc4 56. Ke2 Rd4 57. Rf6 b3 58. Rxg6 b2 59. Rb6 Kc3 60. Rc6+ Kb3 0-1

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "8"]
[White "Pena, Gustavo"]
[Black "De Leon, Otto"]
[Result "1/2-1/2"]
[ECO "A77"]
[PlyCount "81"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Guatemala"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "GUA"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 a6 9. a4 0-0 10. 0-0 Re8 11. Nd2 Nbd7 12. f3 b6 13. Nc4 Ne5 14. Bg5 Nxc4 15. Bxc4 h6 16. Be3 Kh7 17. Qd2 Ra7 18. Rab1 Ra8 19. b4 Nd7 20. Rfc1 Ne5 21. Bf1 Nd7 22. Kh1 Qe7 23. Nd1 Bf8 24. Bf4 Qf6 25. Nf2 Qd8 26. Ng4 h5 27. Nf2 f6 28. h4 Qe7 29. Nd3 Qd8 30. Be2 Qe7 31. Rg1 c4 32. Ne1 b5 33. a5 Ne5 34. Nc2 Bd7 35. Nd4 Rac8 36. Rbc1 Bg7 37. Bd1 Qf7 38. Be2 Bh6 39. Nc2 Bg7 40. Nd4 Qe7 41. Rgd1 1/2-1/2

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "7"]
[White "Pena, Gustavo"]
[Black "Lozano, Tomas R"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "71"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Honduras"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "HON"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3 Bg7 5. e4 dxe4 6. fxe4 c5 7. d5 Bg4 8. Be2 Bxe2 9. Qxe2 0-0 10. e5 Ne8 11. Nf3 a6 12. 0-0 e6 13. Bg5 Qd7 14. Rad1 Ra7 15. Rfe1 b6 16. b3 Rb7 17. Qe4 Qc8 18. Qh4 f6 19. exf6 Bxf6 20. Bxf6 Rxf6 21. Ne4 Rf5 22. dxe6 Nc6 23. Nd6 Nxd6 24. Rxd6 Rf8 25. Red1 Re8 26. Rd7 Re7 27. Ne5 Nxe5 28. Rd8+ Qxd8 29. Rxd8+ Kg7 30. Qf2 Nf7 31. exf7 Rxf7 32. Qb2+ Kh6 33. Rd3 Rbe7 34. Rh3+ Kg5 35. Qd2+ Kf6 36. Rf3+ 1-0

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "3"]
[White "Pena, Gustavo"]
[Black "Noguera, Oscar"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "47"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "NCA"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3 Bf5 5. cxd5 Bg7 6. e4 Bc8 7. Be3 0-0 8. Bd3 e6 9. dxe6 fxe6 10. Nge2 c6 11. 0-0 Nbd7 12. Qb3 Qe8 13. Rad1 Kh8 14. Ng3 Rf7 15. Rfe1 Re7 16. Qc2 b6 17. Qa4 Bb7 18. Ba6 Qc8 19. Bxb7 Qxb7 20. e5 Ng8 21. Bg5 Rf7 22. Nce4 Rff8 23. Nd6 c5 24. Nxb7 1-0

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "1"]
[White "Pena, Gustavo"]
[Black "Schorr, Leon"]
[Result "0-1"]
[ECO "A81"]
[BlackElo "2260"]
[PlyCount "142"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "VEN"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 g6 5. b3 Bg7 6. Bb2 0-0 7. e3 e5 8. dxe5 Ng4 9. Qd5+ Kh8 10. 0-0 Nc6 11. Na3 Re8 12. Rad1 Ngxe5 13. Nc4 Be6 14. Qd2 Nxc4 15. Bxg7+ Kxg7 16. bxc4 Qf6 17. Nd4 Nxd4 18. Qxd4 Qxd4 19. Rxd4 Rab8 20. Bd5 b6 21. Rb1 Kf6 22. Kf1 Bd7 23. Ke2 Re5 24. Kd2 Rf8 25. h4 h6 26. Rh1 Rh8 27. Kc3 Kg7 28. Rdd1 Ree8 29. Rb1 g5 30. Rbd1 Kf6 31. Rd4 Kg6 32. Kd2 Rhf8 33. Bf3 Re5 34. Bd5 Kg7 35. Rg1 Re7 36. Bf3 Be8 37. Kc3 Kf6 38. Ra1 Kg7 39. Rg1 Rf6 40. Kd2 Re5 41. Bd5 g4 42. Kc1 Kf8 43. Rgd1 Ke7 44. Kb2 c6 45. Bg2 Kd7 46. Bf1 Bf7 47. Bg2 Kc7 48. R1d2 Rc5 49. Bf1 Ra5 50. a3 Re5 51. Bg2 a6 52. Rd1 b5 53. cxb5 axb5 54. R1d2 Bc4 55. Rd1 d5 56. R4d2 Rf8 57. Rd4 Ra8 58. Rf4 Kb6 59. Rfd4 Kc5 60. Rf4 b4 61. axb4+ Kxb4 62. Bf1 Re4 63. Rxf5 Ra2+ 64. Kb1 Ka3 65. Bxc4 Rb2+ 66. Ka1 dxc4 67. Rf4 Rxf4 68. exf4 Rxc2 69. Rd6 Kb3 70. Kb1 Rxf2 71. Kc1 c3 0-1

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "6"]
[White "Rojas, Benjamin"]
[Black "Pena, Gustavo"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "108"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "El Salvador"]
[BlackTeam "Dominican Republic"]
[WhiteTeamCountry "ESA"]
[BlackTeamCountry "DOM"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. Nf3 0-0 6. Bd3 Nbd7 7. 0-0 b6 8. cxd5 exd5 9. Bd2 Bb7 10. Rc1 c5 11. Re1 Ne4 12. Bb5 Ndf6 13. Ne2 Ng4 14. Rf1 a6 15. Bd3 c4 16. Bxe4 dxe4 17. Ne1 b5 18. Ng3 Nh6 19. f4 f5 20. Nc2 Bh4 21. Nh1 Rf6 22. Be1 Rg6 23. Bxh4 Qxh4 24. g3 Qe7 25. a3 a5 26. Qd2 Bd5 27. Nf2 Nf7 28. Nd1 Nd6 29. Nc3 Bf7 30. Kh1 Rh6 31. Rg1 Bh5 32. Rgf1 Bf3+ 33. Kg1 Qf7 34. Ne1 Bg4 35. h4 Rb8 36. Na2 Ra8 37. Rc2 Qh5 38. Rf2 Rg6 39. Kh2 Bd1 40. Rc1 Bg4 41. Nc3 Re6 42. a4 b4 43. Nb5 Qf7 44. Nxd6 Rxd6 45. Qc2 Rc8 46. Rd2 Bh5 47. Qb1 Rdc6 48. Nc2 Qd5 49. Ne1 Bf7 50. Rdc2 R6c7 51. b3 c3 52. Rf2 Qxb3 53. Qxb3 Bxb3 54. Ra1 c2 0-1

[Event "CACAC-chT 9th"]
[Site "Guatemala City"]
[Date "1971.??.??"]
[Round "9"]
[White "Saucedo, Ivan"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C98"]
[PlyCount "51"]
[EventDate "1971.07.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GUA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Dominican Republic"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "DOM"]

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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. Nf1 cxd4 14. cxd4 Nxd4 15. Nxd4 exd4 16. Bf4 Be6 17. Rc1 Qb6 18. Nd2 Nd7 19. Nf3 Bf6 20. e5 dxe5 21. Nxe5 Nxe5 22. Bxe5 Bxe5 23. Rxe5 Rac8 24. Bb1 Rxc1 25. Qxc1 Rc8 26. Qxc8+ 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Campos Lopez, Mario"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C91"]
[PlyCount "89"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[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. d4 Bg4 10. Be3 Na5 11. Bc2 c5 12. dxe5 Bxf3 13. Qxf3 dxe5 14. Nd2 Qc7 15. Nf1 Nc4 16. Bc1 Rfd8 17. b3 Nb6 18. Ne3 c4 19. Nf5 Ne8 20. Be3 Bc5 21. Bc1 a5 22. Qg3 Rd7 23. Bh6 f6 24. Rad1 Rad8 25. Rxd7 Rxd7 26. h4 Qd8 27. Rf1 Kh8 28. Bc1 Nc7 29. Qg4 Ne6 30. h5 b4 31. cxb4 axb4 32. bxc4 Nd4 33. Bb3 Nc6 34. Kh2 Na5 35. Rd1 Nxb3 36. axb3 Bxf2 37. Qxg7+ Rxg7 38. Rxd8+ Rg8 39. Rd6 Bc5 40. Rxf6 Rg4 41. Rc6 Bf2 42. Bb2 Rxe4 43. c5 Kg8 44. cxb6 Rf4 45. Bd4 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Colon Romero, Miguel"]
[Black "Pena, Gustavo"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "39"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 c5 7. Nf3 Nc6 8. 0-0 Be7 9. d3 0-0 10. Qb3 Qc7 11. Rb1 Rb8 12. Ne1 Be6 13. Qc2 f5 14. f4 Bd6 15. Nf3 Kh8 16. e3 b5 17. fxe5 Nxe5 18. Ng5 Bg8 19. d4 Ng4 20. Bf3 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Cuartas, Carlos Enrique"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "91"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Bd7 5. Qxc4 e6 6. g3 c5 7. dxc5 Nc6 8. Bg2 Rc8 9. 0-0 Na5 10. Qh4 Rxc5 11. Nc3 Be7 12. Qd4 0-0 13. Bg5 Nc6 14. Qe3 Qa5 15. Bxf6 gxf6 16. Rfd1 Bc8 17. Ne4 Rc2 18. Qh6 Rxe2 19. Nxf6+ Bxf6 20. Qxf6 Qf5 21. Qxf5 exf5 22. Rab1 Rfe8 23. Bf1 R2e7 24. Nd4 Nxd4 25. Rxd4 Bd7 26. f3 Bc6 27. Kf2 Re5 28. Rc1 R8e7 29. Rc2 Bb5 30. f4 Bxf1 31. fxe5 Bb5 32. Rc5 Bc6 33. Ke3 Be4 34. Kf4 Bb1 35. Ra4 a6 36. Rc1 Bd3 37. Rd4 Bb5 38. Kxf5 Bd7+ 39. Kf4 Bc6 40. Rd6 Kg7 41. g4 Kf8 42. g5 Bd7 43. Rc7 Bc6 44. Rd8+ Re8 45. Rxe8+ Kxe8 46. e6 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "D27"]
[PlyCount "69"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Nc3 a6 7. a4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. Rd1 Qc7 11. b3 Bd7 12. Bb2 cxd4 13. exd4 Na5 14. Ne5 Nxc4 15. bxc4 Bd6 16. Rd3 Bc6 17. f4 Rfd8 18. Rg3 Bf8 19. Rf1 g6 20. f5 exf5 21. Rxf5 Bg7 22. Rf1 Qd6 23. d5 Be8 24. Rgf3 Qb6+ 25. Kh1 Rac8 26. a5 Qd6 27. Rxf6 Qxf6 28. Rxf6 Bxf6 29. h3 Bg7 30. Ne4 f5 31. Ng5 Bh8 32. Ne6 Rd6 33. Ba3 Rd7 34. Nxd7 Bxd7 35. Bb2 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Munoz, Cesar"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "55"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. 0-0 cxd4 6. Nxd4 Qb6 7. Nb3 Nf6 8. a4 Be7 9. a5 Qd8 10. Nc3 0-0 11. Bg5 Bd7 12. Qd2 Rc8 13. e4 dxe4 14. Bxf6 Bxf6 15. Rad1 Bxc3 16. Qxd7 Bxb2 17. Qxb7 Qg5 18. Bxe4 Ne7 19. Rd7 Nf5 20. Qxa7 h5 21. Qb7 h4 22. Rxf7 hxg3 23. fxg3 Rfd8 24. Bxf5 exf5 25. R7xf5 Qe3+ 26. Kh1 Rxc2 27. Qf7+ Kh7 28. Rh5+ 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Pena, Gustavo"]
[Black "Garcia, Silvino"]
[Result "1/2-1/2"]
[ECO "E81"]
[PlyCount "83"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[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 c6 6. Be3 0-0 7. Qd2 e5 8. 0-0-0 Nbd7 9. g4 Qa5 10. Kb1 Rb8 11. h4 h5 12. g5 Ne8 13. f4 exf4 14. Bxf4 c5 15. Nf3 cxd4 16. Nxd4 Nc5 17. Ndb5 a6 18. Nxd6 Nxd6 19. Bxd6 Rd8 20. Qc2 Bg4 21. Be2 Bxe2 22. Qxe2 Bxc3 23. Bxb8 Rxb8 24. bxc3 b5 25. Qh2 Rb7 26. Rd2 Qxc3 27. Rb2 Na4 28. Rb3 Qxc4 29. Qc2 Qe6 30. Rc1 Qe7 31. e5 b4 32. Qc8+ Kh7 33. e6 fxe6 34. Rf3 Nc3+ 35. Kb2 Qg7 36. Rf6 Nd5 37. Qxe6 Nxf6 38. gxf6 Qf7 39. Re1 Qxe6 40. Rxe6 Kg8 41. Rxa6 Kf7 42. Rd6 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Pena, Gustavo"]
[Black "Hook, William"]
[Result "0-1"]
[ECO "E83"]
[PlyCount "98"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[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 Nc6 7. Qd2 a6 8. g4 e5 9. Nge2 exd4 10. Nxd4 Ne5 11. Be2 c5 12. Nf5 gxf5 13. gxf5 Kh8 14. Rg1 Ne8 15. 0-0-0 b6 16. Rg3 f6 17. Rdg1 b5 18. h4 Nxc4 19. Bxc4 bxc4 20. h5 Rf7 21. h6 Raa7 22. Bxc5 Rad7 23. Bd4 Bb7 24. Ne2 d5 25. e5 fxe5 26. hxg7+ Kg8 27. Bxe5 Rxf5 28. f4 d4 29. Qb4 c3 30. Nxd4 cxb2+ 31. Kxb2 Rff7 32. Ne6 Qe7 33. Qxe7 Rfxe7 34. Nf8 Rd2+ 35. Kc3 Rxa2 36. Rg5 Be4 37. Kd4 Ra4+ 38. Ke3 Rb7 39. Bd4 Bc2 40. f5 Rb3+ 41. Kd2 Bb1 42. Ne6 Ra2+ 43. Bb2 Raxb2+ 44. Kc1 Be4 45. Nd4 Rb1+ 46. Kd2 Rxg1 47. Rxg1 Rd3+ 48. Ke2 Rxd4 49. Ke3 Ra4 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Pena, Gustavo"]
[Black "Idrovo, Franklin"]
[Result "0-1"]
[ECO "A79"]
[PlyCount "114"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 b6 13. Nc4 Nh5 14. f4 Ba6 15. Nd2 Bd4+ 16. Kh1 Qh4 17. Qe1 Qxe1 18. Rxe1 Nxf4 19. Bxa6 Nxa6 20. Rf1 Nd3 21. Rf3 Nf2+ 22. Kg1 Nxe4+ 23. Kf1 Ng5 24. Rg3 Nb4 25. Nb3 Nc2 26. Bxg5 Nxa1 27. Nxa1 Re5 28. Bd2 Rae8 29. Nb3 Bxc3 30. Bxc3 Rxd5 31. Nd2 Rf5+ 32. Rf3 Rxf3+ 33. Nxf3 Re4 34. a5 b5 35. Kf2 b4 36. Be1 f6 37. Nd2 Re6 38. Kf1 Kf7 39. Bg3 Ke7 40. Kf2 Kd7 41. Kf3 Kc6 42. Bf2 f5 43. b3 d5 44. Nf1 g5 45. h3 f4 46. g3 fxg3 47. Bxg3 c4 48. Bf2 c3 49. Ne3 Rf6+ 50. Ke2 d4 51. Ng4 Rf4 52. Ne5+ Kd5 53. Nd3 Rf5 54. Nxb4+ Ke4 55. a6 Rb5 56. Nd3 Ra5 57. Nb4 d3+ 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Pena, Gustavo"]
[Black "Rojas Sepulveda, Eduardo"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "58"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. c4 c6 5. Nc3 e6 6. Bd3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nd7 11. Bc2 Nf6 12. Bg5 Be7 13. Qd3 Bf5 14. Qe2 Bxc2 15. Qxc2 Ng4 16. Bf4 Bd6 17. Bg5 Be7 18. Bd2 Qc7 19. h3 Nf6 20. b4 Rfc8 21. Rfc1 Nd7 22. Qe4 Nf6 23. Qe2 Nd7 24. a4 Bf6 25. Bc3 Re8 26. Re1 Rad8 27. Qb2 Nb6 28. Qb3 Nc8 29. Rad1 Ne7 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Pena, Gustavo"]
[Black "Salas Chavez, Narciso"]
[Result "1-0"]
[ECO "E20"]
[PlyCount "121"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[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 Bb4 4. Bd2 c5 5. d5 0-0 6. g3 d6 7. Bg2 Re8 8. Nh3 exd5 9. cxd5 Bf5 10. 0-0 Nbd7 11. Re1 Ne5 12. a3 Ba5 13. b3 Rb8 14. Ng5 h6 15. Nf3 b5 16. Nxe5 Rxe5 17. e4 b4 18. Bf4 Re8 19. axb4 cxb4 20. Bxd6 bxc3 21. Bxb8 c2 22. Qxc2 Bxe1 23. Bc7 Qd7 24. Rxe1 Nxd5 25. Rd1 Qxc7 26. Qxc7 Nxc7 27. exf5 Kf8 28. Bf1 Re5 29. g4 Ke7 30. Bc4 Ne8 31. Ra1 a5 32. f4 Rc5 33. Re1+ Kf8 34. Re5 Rxe5 35. fxe5 Ke7 36. Kf2 f6 37. e6 Kd6 38. Ke3 Kc5 39. Kd3 Nc7 40. Kc3 Kd6 41. Kb2 Na8 42. Kc3 Nb6 43. Bb5 Nd5+ 44. Kd4 Nf4 45. Bc4 g5 46. Kc3 h5 47. gxh5 Nxh5 48. Kb2 Ng7 49. Bd3 Kc5 50. Ka3 Kd4 51. Bb1 Kc3 52. Ka4 g4 53. Kxa5 Kxb3 54. Kb5 Kc3 55. Kc6 Kd4 56. Kd7 Ke3 57. Ke7 Nh5 58. Kf7 Kf2 59. e7 Kg2 60. e8Q Kxh2 61. Qh8 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Pena, Gustavo"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "80"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[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 d5 4. e3 Be7 5. Nf3 0-0 6. Bd3 b6 7. cxd5 exd5 8. 0-0 Bb7 9. b3 Nbd7 10. Bb2 c5 11. Rc1 Bd6 12. Nb5 Bb8 13. Ne5 a6 14. Na3 Qe7 15. f4 Bd6 16. Nc2 Rfd8 17. Rf3 Ne4 18. Rh3 Nf8 19. Qh5 f6 20. Rf1 Qe8 21. Qh4 Bc8 22. f5 Ng5 23. Rg3 h6 24. Qf4 Nd7 25. h4 Nxe5 26. dxe5 fxe5 27. Qg4 e4 28. hxg5 Bxg3 29. gxh6 Be5 30. Bxe5 Qxe5 31. hxg7 Qxg7 32. Qh4 Rf8 33. f6 Qg6 34. Be2 Ra7 35. Bh5 Rh7 36. f7+ Kg7 37. g4 Bxg4 38. Qxg4 Rxh5 39. Qxg6+ Kxg6 40. Ne1 Rf5 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "D26"]
[PlyCount "55"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Nc3 b5 8. Bb3 Bb7 9. Qe2 cxd4 10. exd4 Be7 11. Rd1 0-0 12. Bg5 Nc6 13. Rac1 Nd5 14. Ne4 h6 15. Nc5 hxg5 16. Nxb7 Qd7 17. Nc5 Nf4 18. Qe4 f5 19. Qxf4 Bxc5 20. Nxg5 Nxd4 21. Qh4 Rfc8 22. Qh7+ Kf8 23. Qh8+ Ke7 24. Qxg7+ Ke8 25. Qxd7+ Kxd7 26. Nxe6 Ke7 27. Nxd4 Bxd4 28. Rxc8 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "3"]
[White "Cobo Arteaga, Eldis"]
[Black "Pena, Gustavo"]
[Result "0-1"]
[ECO "D40"]
[PlyCount "80"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Bd3 dxc4 7. Bxc4 cxd4 8. exd4 Be7 9. 0-0 0-0 10. a3 a6 11. Qd3 b5 12. Ba2 Bb7 13. Rd1 Na5 14. Ne5 Rc8 15. Bg5 Nd5 16. Bd2 Nxc3 17. Bxc3 Bd5 18. Bxd5 exd5 19. Bxa5 Qxa5 20. Qf3 Rc2 21. b4 Qc7 22. Qxd5 Qc3 23. g3 Bg5 24. Ra2 Be3 25. fxe3 Qxe3+ 26. Kh1 Qe2 27. Rxc2 Qxd1+ 28. Kg2 Qxc2+ 29. Kh3 Qf5+ 30. g4 Qe6 31. Qb7 f6 32. Nc6 Re8 33. Qc7 h5 34. Qf4 Qxg4+ 35. Qxg4 hxg4+ 36. Kxg4 Re3 37. Kf4 Rxa3 38. d5 Kf7 39. Ke4 Ra1 40. Kd4 Rc1 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "5"]
[White "Diaz Diaz, Joaquin Carlos"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "A21"]
[PlyCount "57"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. d3 Nf6 5. Nc3 c6 6. Nf3 Be7 7. Qc2 Qc7 8. Bd2 d5 9. cxd5 cxd5 10. Rc1 Nc6 11. Qb3 Qd8 12. e3 e4 13. Ng1 Ne5 14. Bf1 exd3 15. f4 Nc4 16. Bxd3 Nxd2 17. Kxd2 0-0 18. Nf3 Kh8 19. Kc2 Rb8 20. Kb1 b5 21. Nd4 Rb6 22. Nxf5 Ne4 23. Bxe4 Bxf5 24. Bxf5 Rxf5 25. Rhd1 Rd6 26. Qxb5 Rb6 27. Qd3 Rh5 28. Rc2 Bf6 29. Nxd5 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "12"]
[White "Estrada Degrandi, Walter"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "27"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Ng8 5. Nf3 Be7 6. h4 c5 7. Be3 cxd4 8. Qxd4 Nc6 9. Qg4 Bf8 10. Bd3 Bd7 11. a3 a6 12. 0-0 f5 13. exf6 Nxf6 14. Bg6+ 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "14"]
[White "Garcia Martinez, Silvino"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "109"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 6. Be3 f5 7. g4 c6 8. Qd2 Qa5 9. h3 Na6 10. Nf3 Bd7 11. Rg1 f4 12. Bxf4 0-0-0 13. Bxa6 Qxa6 14. Bg5 h6 15. Bxe7 Nxe7 16. Ne2 Rhf8 17. Nh2 g5 18. f4 gxf4 19. Nxf4 c5 20. dxc5 Nc6 21. Nd3 Nd4 22. Rg3 Kb8 23. b3 Qa3 24. Qc3 Nc6 25. Rf3 d4 26. Qd2 Ne7 27. Rxf8 Rxf8 28. Qxh6 Rf7 29. Qc1 Qa6 30. Qb2 Qc6 31. 0-0-0 Qg2 32. Qxd4 Nc8 33. Rd2 Qxh3 34. Nf4 Qg3 35. Nh5 Qe1+ 36. Kb2 Bc6 37. Nf6 Rf8 38. Rd1 Qe2 39. Nf1 Rh8 40. Ng3 Qg2 41. Ngh5 a5 42. Nf4 Qg3 43. Rg1 Qf3 44. Nxe6 Rh2 45. Nd8 Bb5 46. Rc1 Qe2 47. a4 Bd3 48. Nd7+ Ka8 49. Qc3 Na7 50. c6 bxc6 51. Nb6+ Kb8 52. Nxc6+ Nxc6 53. Qxc6 Qxe5+ 54. Kb1 Be4 55. Nd7+ 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "1"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Pena, Gustavo"]
[Result "1/2-1/2"]
[ECO "C07"]
[PlyCount "88"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qc5 7. 0-0 Nf6 8. Qe2 Nc6 9. Nb3 Qb6 10. Rd1 Be7 11. Nfxd4 Nxd4 12. Rxd4 Bd7 13. Be3 Qc7 14. Bf4 Qb6 15. Rad1 Rc8 16. Rxd7 Nxd7 17. Bb5 Rd8 18. Rxd7 Rxd7 19. Bxd7+ Kxd7 20. Qd3+ Bd6 21. c4 Ke7 22. Bg5+ f6 23. Be3 Qc7 24. g3 h5 25. Nd4 a6 26. Qg6 Rg8 27. Qh7 Rf8 28. b3 Bc5 29. Qxg7+ Rf7 30. Qg6 Qe5 31. Qd3 h4 32. f4 Qd6 33. Qe4 Bxd4 34. Bxd4 hxg3 35. hxg3 e5 36. Qxb7+ Kf8 37. Qc8+ Kg7 38. Qg4+ Kf8 39. Qc8+ Kg7 40. Qg4+ Kf8 41. fxe5 fxe5 42. Qc8+ Kg7 43. Qg4+ Kf8 44. Bf2 Rd7 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "6"]
[White "Letelier Martner, Rene"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "D40"]
[PlyCount "49"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 c5 4. e3 Nc6 5. Nc3 Nf6 6. a3 a5 7. Be2 Be7 8. 0-0 0-0 9. Qc2 cxd4 10. exd4 dxc4 11. Rd1 b6 12. Bxc4 Bb7 13. d5 exd5 14. Nxd5 Nxd5 15. Bxd5 Qc7 16. Be3 Rac8 17. Rac1 Qb8 18. Qe4 Bc5 19. Ng5 g6 20. Bxc5 bxc5 21. Bxf7+ Rxf7 22. Nxf7 Nd4 23. Qe7 Rc7 24. Nh6+ Kh8 25. Qe5+ 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "16"]
[White "Macskasy, Elod"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "D34"]
[PlyCount "91"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. a3 a6 10. dxc5 Bxc5 11. b4 Be7 12. Nd4 Ne5 13. Nb3 Be6 14. Be3 b6 15. Na4 Nc4 16. Bd4 Rc8 17. Nd2 Nd7 18. Nxc4 Rxc4 19. Nb2 Rc8 20. Qd2 Nf6 21. Rac1 Qd6 22. Nd3 Ne4 23. Qb2 f6 24. Nf4 Bf7 25. Rxc8 Rxc8 26. Rc1 Rd8 27. Rc2 g5 28. Nd3 Bg6 29. Qc1 Qe6 30. Rc6 Rd6 31. Rc8+ Rd8 32. Rc6 Rd6 33. Rc2 Rd7 34. Qe3 Bd8 35. f3 Qd6 36. Rc8 Kf7 37. Bh3 Nxg3 38. Bxd7 Qxd7 39. Rxd8 Nxe2+ 40. Qxe2 Qxd8 41. Nf2 Qc8 42. Bxb6 Qc1+ 43. Kg2 Qxa3 44. Bc5 Bh5 45. Qe7+ Kg6 46. Qe8+ 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "15"]
[White "Pena, Gustavo"]
[Black "Ader Hausman, Walter"]
[Result "0-1"]
[ECO "E76"]
[PlyCount "64"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3 Bg7 5. e4 dxe4 6. fxe4 e5 7. d5 0-0 8. Nf3 c6 9. Be2 Qb6 10. Na4 Qa5+ 11. Bd2 Qc7 12. Nc3 Nbd7 13. Qc2 cxd5 14. cxd5 Nc5 15. Rc1 Bd7 16. Nb5 Bxb5 17. Bxb5 Rfc8 18. b4 Qb6 19. bxc5 Qxb5 20. h3 Nd7 21. Be3 Nxc5 22. Bxc5 b6 23. Qf2 Rxc5 24. Rxc5 bxc5 25. Qc2 Rb8 26. Kf2 Qb2 27. Qxb2 Rxb2+ 28. Kg3 f5 29. Rd1 fxe4 30. Ng1 Bh6 31. Re1 Bf4+ 32. Kh4 Rxg2 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "7"]
[White "Pena, Gustavo"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "0-1"]
[ECO "E24"]
[PlyCount "56"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. e3 Nc6 8. Bd3 e5 9. cxd5 Nxd5 10. Ne2 cxd4 11. cxd4 exd4 12. exd4 Qe7 13. Be4 Be6 14. 0-0 0-0 15. Re1 Qd7 16. Qd2 Rad8 17. Bb2 f5 18. Bc2 Qd6 19. Rad1 Rf6 20. Nc3 Nxc3 21. Qxc3 Bd5 22. Re5 Nxe5 23. dxe5 Qb6+ 24. Kh1 Rc6 25. Rxd5 Rxc3 26. Rxd8+ Qxd8 27. Bxc3 Qd5 28. Bb2 Qc4 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "9"]
[White "Pena, Gustavo"]
[Black "Boudy Bueno, Julio Leonardo"]
[Result "1/2-1/2"]
[ECO "A79"]
[PlyCount "124"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Be2 0-0 7. Nf3 e6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 b6 13. Nc4 Ba6 14. Ne3 Bxe2 15. Qxe2 a6 16. Qd3 Rb8 17. Nc4 b5 18. axb5 axb5 19. Na5 c4 20. Qd1 Na6 21. Nc6 Qb6+ 22. Kh1 Rb7 23. Ra5 Nc7 24. Bf4 Qc5 25. Na4 bxa4 26. Rxc5 dxc5 27. Qxa4 Ncxd5 28. exd5 Nxd5 29. Nb4 Nf6 30. Nd5 Rd8 31. Nxf6+ Bxf6 32. Bh6 Rxb2 33. Re1 Rbb8 34. Qxc4 Rbc8 35. g3 Re8 36. Rb1 Rb8 37. Rxb8 Rxb8 38. Qxc5 Bg7 39. Bxg7 Rb1+ 40. Kg2 Kxg7 41. h4 h5 42. Qc3+ Kg8 43. g4 hxg4 44. fxg4 Rb6 45. Kg3 Re6 46. Kf4 Kh7 47. Kg5 Ra6 48. Qc7 Kg7 49. Qc3+ Kh7 50. h5 gxh5 51. gxh5 Re6 52. Qd3+ Kg7 53. Qf5 Rh6 54. Kg4 Re6 55. Qg5+ Kh7 56. Kf5 Rh6 57. Qe7 Kg7 58. Kg5 Re6 59. Qd8 Re5+ 60. Kg4 Re6 61. Kf5 Rh6 62. Qg5+ Kh7 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "11"]
[White "Pena, Gustavo"]
[Black "Castillo, Francisco"]
[Result "1-0"]
[ECO "D80"]
[PlyCount "121"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. f3 dxc4 5. e4 Bg7 6. Bxc4 c6 7. Be3 0-0 8. Nge2 e6 9. 0-0 Nbd7 10. Bb3 Qe7 11. Qd2 Rd8 12. Rad1 Nb6 13. Qc1 Ne8 14. Kh1 Nc7 15. Ng3 Qb4 16. f4 Bd7 17. f5 exf5 18. exf5 Be8 19. fxg6 hxg6 20. Bh6 Qf8 21. Bxg7 Qxg7 22. Rf3 Rxd4 23. Rdf1 Nbd5 24. Nce4 f5 25. Nd6 Bd7 26. Nxb7 a5 27. Nc5 a4 28. Bc4 Kh8 29. Nxd7 Qxd7 30. Nxf5 gxf5 31. Bxd5 Nxd5 32. Rxf5 Rh4 33. Rf7 Qg4 34. Qxc6 Rg8 35. Qxd5 Qg3 36. Qd4+ Rxd4 37. hxg3 Rxg3 38. R7f4 Rd2 39. R1f2 Rgd3 40. Rxd2 Rxd2 41. Rb4 a3 42. bxa3 Rxa2 43. a4 Kg7 44. Kh2 Kh7 45. Kh3 Kh6 46. g4 Kg6 47. Re4 Kf6 48. Kg3 Kg5 49. Kf3 Ra3+ 50. Ke2 Rg3 51. Kd2 Rh3 52. Kc2 Ra3 53. Kb2 Rd3 54. a5 Rd5 55. Ra4 Rd7 56. a6 Ra7 57. Kb3 Kh4 58. Kb4 Kxg4 59. Kb5+ Kf5 60. Kb6 Ra8 61. a7 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "17"]
[White "Pena, Gustavo"]
[Black "Martinez, Juan"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "19"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. g3 Be7 7. Bg2 0-0 8. 0-0 Nc6 9. e3 Be6 10. dxc5 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "4"]
[White "Pena, Gustavo"]
[Black "Mendivil Salinas, Ismael"]
[Result "1/2-1/2"]
[ECO "E24"]
[PlyCount "27"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 b6 7. Bg5 Bb7 8. e3 Ba6 9. Bd3 Bxc4 10. Bxc4 dxc4 11. Qa4+ Qd7 12. Qxc4 Qd5 13. Qxd5 Nxd5 14. Kd2 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "2"]
[White "Pena, Gustavo"]
[Black "Morales Garcia, Hugo"]
[Result "0-1"]
[ECO "E87"]
[PlyCount "104"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. g4 Nbd7 7. Be3 e5 8. d5 a5 9. Qd2 Nc5 10. Bh6 Nfxe4 11. Nxe4 Nxe4 12. fxe4 Qh4+ 13. Qf2 Qxh6 14. Qg3 Qg5 15. Be2 Bh6 16. h3 Qd2+ 17. Kf2 Qxb2 18. g5 Bxg5 19. Qxg5 Qxa1 20. Qf6 Qd4+ 21. Kf3 Qc3+ 22. Kf2 Qc1 23. Bf3 Qf4 24. Qe7 Kg7 25. Qxc7 Qh4+ 26. Ke3 Rd8 27. Ne2 Rd7 28. Qb6 Ra6 29. Qb2 Rc7 30. Rc1 f5 31. c5 fxe4 32. Bxe4 Qg5+ 33. Kd3 dxc5 34. Rg1 c4+ 35. Kc2 Qf6 36. Kd1 Rb6 37. Qc3 Ra6 38. Ng3 Kh8 39. Rf1 Qg7 40. Rg1 Qe7 41. Ne2 Rf6 42. h4 Bf5 43. Ng3 Bg4+ 44. Kc1 b5 45. Qd2 Qa3+ 46. Kb1 c3 47. Qc2 Rc4 48. Ka1 Rb4 49. Rb1 Rxb1+ 50. Kxb1 Bd1 51. Qg2 Qc5 52. d6 Rf2 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "13"]
[White "Pena, Gustavo"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "116"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. 0-0-0 Nbd7 11. Bd3 Qa5 12. Kb1 Nc5 13. Bc2 b5 14. Rc1 Bd7 15. Nge2 Rfc8 16. g4 Qd8 17. h4 Rab8 18. h5 a5 19. hxg6 fxg6 20. Bh6 Bh8 21. Nd1 b4 22. Bd3 Nxd3 23. Qxd3 Bb5 24. Qd2 Qd7 25. Ne3 Rxc1+ 26. Nxc1 a4 27. Nd3 b3 28. a3 Rc8 29. Rc1 Rc7 30. Nb4 Ne8 31. Nd1 Rxc1+ 32. Kxc1 Bf6 33. Nc3 Qc8 34. Kb1 Qc4 35. Nxb5 Qxb5 36. g5 Bd8 37. Qd3 Qxd3+ 38. Nxd3 Bb6 39. Kc1 Be3+ 40. Kd1 Kf7 41. Ke2 Bd4 42. Kd2 Nc7 43. Kc1 Na8 44. Kb1 Nb6 45. f4 exf4 46. Nxf4 Nc4 47. Nd3 Nd2+ 48. Kc1 Nxe4 49. Nb4 Be3+ 50. Kd1 Nf2+ 51. Ke2 Bd4 52. Nc6 Bxb2 53. Kxf2 Bd4+ 54. Nxd4 b2 55. Nb5 b1Q 56. Nxd6+ Ke7 57. Nc8+ Kd7 58. Na7 Qb6+ 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "8"]
[White "Perez Perez, Francisco Jose"]
[Black "Pena, Gustavo"]
[Result "0-1"]
[ECO "A08"]
[PlyCount "108"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Be7 6. Nbd2 Nf6 7. e4 0-0 8. exd5 Nxd5 9. Nc4 f6 10. a4 Be6 11. c3 Qd7 12. Qe2 Rad8 13. Ne1 Rfe8 14. h4 Nc7 15. Be3 Bf8 16. Kh2 Nd5 17. Qc2 f5 18. Bg5 Be7 19. Nf3 Bf6 20. Rae1 Bxg5 21. Nxg5 Bf7 22. Nxf7 Qxf7 23. Ne3 Nde7 24. f4 g6 25. b3 Rd7 26. Nc4 exf4 27. Rxf4 Red8 28. Rd1 Qf6 29. Rff1 Ne5 30. Nxe5 Qxe5 31. b4 cxb4 32. d4 Qd6 33. Qb3+ Kg7 34. cxb4 Ng8 35. Rd2 Nf6 36. Re1 Ng4+ 37. Kh1 Qc7 38. d5 Nf6 39. Rde2 Nh5 40. Re5 Rc8 41. Qe3 Kf7 42. g4 fxg4 43. Rf1+ Kg7 44. Qd4 Kg8 45. d6 Rxd6 46. Bd5+ Rxd5 47. Qxd5+ Kg7 48. Rd1 Ng3+ 49. Kg2 Nf5 50. h5 Qc3 51. Qd7+ Kf6 52. Rxf5+ gxf5 53. Rd6+ Kg5 54. Qe7+ Kf4 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "10"]
[White "Rossetto, Hector"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "71"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. 0-0 Nc6 6. Nbd2 Be7 7. b3 cxd4 8. exd4 0-0 9. a3 Ne8 10. Bb2 Bf6 11. Ne5 g6 12. f4 Bg7 13. Qf3 Nd6 14. Rae1 Ne7 15. Qf2 f6 16. Nef3 Bd7 17. c4 Nc6 18. c5 Nf7 19. Qg3 Qc7 20. b4 h6 21. Bb1 Rae8 22. h4 e5 23. fxe5 fxe5 24. h5 gxh5 25. Nxe5 Ncxe5 26. dxe5 Bg4 27. Qd3 Ng5 28. Qxd5+ Be6 29. Qd6 Qc8 30. Ne4 Nf7 31. Qd3 Nxe5 32. Nf6+ Rxf6 33. Qh7+ Kf8 34. Bxe5 Bf7 35. Rxf6 Rxe5 36. Rxf7+ 1-0

[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.17"]
[Round "7"]
[White "Pena, Gustavo"]
[Black "Ramirez, Percy"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "60"]
[EventDate "1964.11.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Bolivia"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "BOL"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Bc4 Bc5 5. c3 Nf6 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 Nxd2 10. Nbxd2 0-0 11. 0-0 f6 12. Qc2 fxe5 13. Bxc6 bxc6 14. Nxe5 Bf5 15. Qd1 Bd6 16. Ndf3 Qe8 17. Rc1 Be4 18. Re1 Qh5 19. Nd2 Qf5 20. Nxe4 dxe4 21. Qc2 c5 22. Rxe4 cxd4 23. Qc4+ Kh8 24. Qxd4 Rae8 25. f4 Rd8 26. Qe3 Rf6 27. g4 Qc8 28. f5 Qb7 29. Re1 Qxb2 30. Re2 Qb1+ 1/2-1/2

[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.16"]
[Round "6"]
[White "Dreyer, Kurt"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "A02"]
[PlyCount "39"]
[EventDate "1964.11.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "South Africa"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "RSA"]
[BlackTeamCountry "DOM"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. d4 g4 6. Ne5 Qf6 7. Nc3 Bxe5 8. dxe5 Qxe5 9. Qd5 Qe7 10. Qd4 f6 11. Nd5 Qd8 12. Bf4 Na6 13. 0-0-0 Kf7 14. e4 c5 15. Qc3 Bd7 16. Bxa6 bxa6 17. Bc7 Qf8 18. Rhf1 Bb5 19. Rxf6+ Nxf6 20. Qxf6+ 1-0

[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.14"]
[Round "5"]
[White "Pena, Gustavo"]
[Black "Koshnitsky, Gregory Simon"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "95"]
[EventDate "1964.11.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Australia"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "AUS"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Bg4 5. Be2 Nc6 6. Be3 e5 7. d5 Bxf3 8. Bxf3 Nd4 9. Bxd4 exd4 10. Ne2 Qf6 11. Qd3 Ne7 12. Rd1 0-0 13. Nxd4 c5 14. dxc6 bxc6 15. c3 Rab8 16. Rd2 Rb6 17. 0-0 Rfb8 18. b3 Bh6 19. Rdd1 Bf8 20. Ne2 Rd8 21. c4 Qe5 22. Qe3 c5 23. Nf4 Nc6 24. Rd5 Qf6 25. Rd3 Bh6 26. Nd5 Qg7 27. Qe2 Rbb8 28. Ne3 Bf4 29. g3 Be5 30. Bg2 a5 31. Nd5 a4 32. f4 Bb2 33. e5 Bd4+ 34. Kh1 dxe5 35. fxe5 Nxe5 36. Nf6+ Kh8 37. Rxd4 cxd4 38. Qxe5 d3 39. Bd5 d2 40. Ng4 f5 41. Qxg7+ Kxg7 42. Ne5 axb3 43. axb3 Rxb3 44. Rd1 Re8 45. Nf3 Re2 46. Kg1 g5 47. Kf1 Ree3 48. Nxd2 1-0

[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.13"]
[Round "4"]
[White "Conrady, Alphonse"]
[Black "Pena, Gustavo"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "71"]
[EventDate "1964.11.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "DOM"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. f3 c5 5. e3 e6 6. Bd3 cxd4 7. exd4 Qb6 8. Nge2 Bb4 9. Bd2 a6 10. a3 Be7 11. Bg5 h6 12. Bh4 Qc7 13. Bg3 Bd6 14. Bxd6 Qxd6 15. f4 b5 16. 0-0 Nb6 17. b3 Bd7 18. Qe1 Rc8 19. Ng3 h5 20. Nd1 h4 21. Nh1 Ne4 22. Nhf2 f5 23. Nh3 Kf7 24. Rf3 Rcg8 25. Qb4 Nc8 26. Ne3 g5 27. Qxd6 Ncxd6 28. fxg5 Nxg5 29. Nxg5+ Rxg5 30. c4 dxc4 31. bxc4 bxc4 32. Nxc4 Nxc4 33. Bxc4 Bc6 34. Rf2 Rhg8 35. Raa2 a5 36. Rad2 1/2-1/2

[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.12"]
[Round "3"]
[White "Pena, Gustavo"]
[Black "Papadopoulos, Ioannis K"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "59"]
[EventDate "1964.11.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Cyprus"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "CYP"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Be3 Nf6 7. Qd3 exd4 8. Bxd4 Be7 9. Nc3 0-0 10. h3 Be6 11. Qe3 Nfd7 12. 0-0-0 c5 13. Be5 Nc6 14. Bh2 h6 15. g4 a6 16. Bg2 b5 17. Nd5 Rc8 18. Nxe7+ Nxe7 19. Ne5 Qe8 20. Nxd7 Bxd7 21. Bd6 Be6 22. Kb1 b4 23. e5 Qd7 24. Bxc5 Qc7 25. Bxe7 Qxc2+ 26. Ka1 Bxa2 27. Bxb4 Rb8 28. Rd2 Qa4 29. Bxf8 Rxf8 30. Qa3 1-0

[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.11"]
[Round "2"]
[White "Olivera, Horacio"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "D26"]
[PlyCount "99"]
[EventDate "1964.11.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "DOM"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Qe2 cxd4 8. exd4 Be7 9. Nc3 b5 10. Bb3 Bb7 11. Bg5 0-0 12. Rfd1 Nc6 13. Rac1 Nd5 14. Nxd5 Bxg5 15. Nxg5 Qxg5 16. Ne3 Rac8 17. Rc3 Ne7 18. Rdc1 Rxc3 19. bxc3 Ng6 20. Bd1 Nf4 21. Qg4 Qxg4 22. Bxg4 Rc8 23. g3 Nd5 24. Nxd5 Bxd5 25. a3 Kf8 26. Be2 Ke7 27. Kf1 Bc4 28. Ke1 Bxe2 29. Kxe2 Rc4 30. Kd3 Ra4 31. Ra1 Kd6 32. Kc2 e5 33. dxe5+ Kxe5 34. Kb3 a5 35. Rd1 Re4 36. Rd2 a4+ 37. Kc2 Re1 38. f4+ Ke6 39. Kb2 h5 40. Kc2 h4 41. gxh4 Ra1 42. Kb2 Rf1 43. Rd4 Rf2+ 44. Kc1 Rxh2 45. Rb4 Rxh4 46. f5+ Kxf5 47. Rxh4 g5 48. Rb4 g4 49. Kd2 Kg5 50. Ke3 1-0

[Event "Olympiad-16 Final D"]
[Site "Tel Aviv"]
[Date "1964.11.10"]
[Round "1"]
[White "Ribeiro, Joao Mario"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C83"]
[PlyCount "57"]
[EventDate "1964.11.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Portugal"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "POR"]
[BlackTeamCountry "DOM"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 0-0 11. Bc2 Nc5 12. Nd4 Qd7 13. Nd2 Bg4 14. f3 Bh5 15. Nf1 Rae8 16. Ng3 Bg6 17. Ndf5 Bd8 18. Be3 Ne6 19. Bb3 Ng5 20. Qxd5 Bxf5 21. Nxf5 Qxf5 22. Qxc6 Rxe5 23. f4 Rxe3 24. Rxe3 Qxf4 25. Rae1 Bf6 26. Re8 g6 27. Rf1 Bd4+ 28. cxd4 Qxd4+ 29. Kh1 1-0

[Event "Olympiad-16 Preliminaries G"]
[Site "Tel Aviv"]
[Date "1964.11.09"]
[Round "7"]
[White "Pena, Gustavo"]
[Black "Sumar, Julio"]
[Result "0-1"]
[ECO "C15"]
[PlyCount "70"]
[EventDate "1964.11.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Peru"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "PER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 c5 5. exd5 Qxd5 6. Nf3 cxd4 7. a3 Ba5 8. b4 dxc3 9. bxa5 Nf6 10. a6 Nxa6 11. 0-0 Nc5 12. Bb5+ Bd7 13. Qe2 0-0 14. Bc4 Qh5 15. Qe1 Nce4 16. Bd3 Bc6 17. Nd4 Bd5 18. Be2 Qe5 19. Be3 Nd2 20. Bxd2 cxd2 21. Qxd2 Rfd8 22. Rad1 Rac8 23. Qa5 Qb8 24. c4 b6 25. Qb4 Bb7 26. Rd2 Ne4 27. Rd3 Nc5 28. Rd2 Qf4 29. g3 Qf6 30. Nb5 Ne4 31. Rxd8+ Rxd8 32. Nxa7 Ng5 33. f3 Qd4+ 34. Kg2 Qe3 35. Rf2 Rd2 0-1

[Event "Olympiad-16 Preliminaries G"]
[Site "Tel Aviv"]
[Date "1964.11.08"]
[Round "6"]
[White "Kleopas, Georgios"]
[Black "Pena, Gustavo"]
[Result "0-1"]
[ECO "C14"]
[PlyCount "96"]
[EventDate "1964.11.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Cyprus"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "CYP"]
[BlackTeamCountry "DOM"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 e6 4. e4 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2 a6 8. f4 c5 9. Nf3 Nc6 10. 0-0-0 b5 11. a3 Nb6 12. dxc5 Qxc5 13. Nd4 Bd7 14. b4 Qe7 15. Nb3 0-0 16. h4 Rfb8 17. g4 a5 18. Nc5 axb4 19. axb4 Nc4 20. Bxc4 bxc4 21. Qf2 d4 22. Rxd4 Nxd4 23. Qxd4 Ra1+ 24. Nb1 Bc6 25. Rd1 Raa8 26. c3 Qxh4 27. g5 Bd5 28. Kb2 h5 29. gxh6 Qxh6 30. Na3 Rd8 31. Rc1 Qh5 32. Qf2 Qh3 33. Rg1 Rxa3 34. Rg3 Rda8 35. Rxh3 Ra2+ 36. Kc1 Rxf2 37. Kb1 Raa2 38. Rg3 Rae2 39. Rg1 Rb2+ 40. Ka1 Ra2+ 41. Kb1 Rfb2+ 42. Kc1 Rg2 43. Rxg2 Rxg2 44. Kb1 Bc6 45. Na6 Rf2 46. Nc7 Rxf4 47. Kb2 g5 48. b5 Bxb5 0-1

[Event "Olympiad-16 Preliminaries G"]
[Site "Tel Aviv"]
[Date "1964.11.07"]
[Round "5"]
[White "Andersen, Borge"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "111"]
[EventDate "1964.11.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Denmark"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "DOM"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nge2 Nge7 7. Rb1 a5 8. a3 Be6 9. Nd5 f5 10. d3 Qd7 11. b4 axb4 12. axb4 Nd8 13. 0-0 0-0 14. Bd2 Kh8 15. Nec3 Bxd5 16. cxd5 f4 17. Re1 Nf7 18. Qb3 fxg3 19. fxg3 Ng5 20. Ne4 Nh3+ 21. Bxh3 Qxh3 22. Rf1 Bh6 23. Qc4 c6 24. Nxd6 cxd5 25. Qc7 Qe6 26. Ra1 Rxa1 27. Rxa1 d4 28. Rf1 Bxe3+ 29. Bxe3 Rxf1+ 30. Kxf1 dxe3 31. Ne4 Qf7+ 32. Ke1 Qe6 33. Qxb7 Kg7 34. b5 Kh6 35. Qa7 Nd5 36. Qxh7+ Kxh7 37. Ng5+ Kg7 38. Nxe6+ Kf6 39. Nc5 Ke7 40. Ne4 Kd7 41. h4 Kc7 42. Nc5 Kd6 43. Na4 Nf6 44. Ke2 Nh5 45. g4 Nf6 46. g5 Nd5 47. b6 Kc6 48. Kf3 Ne7 49. Kxe3 Kb5 50. b7 Nc6 51. h5 Ka6 52. Nc5+ Ka7 53. hxg6 Ne7 54. g7 Nf5+ 55. Ke4 Nxg7 56. Kxe5 1-0

[Event "Olympiad-16 Preliminaries G"]
[Site "Tel Aviv"]
[Date "1964.11.06"]
[Round "4"]
[White "Pena, Gustavo"]
[Black "Kanko, Ilkka"]
[Result "0-1"]
[ECO "C15"]
[PlyCount "62"]
[EventDate "1964.11.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Finland"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "FIN"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 b6 9. Bg5 Rg6 10. Qh4 Nbd7 11. Bb5 Bb7 12. Bxd7+ Kxd7 13. Qf4 Qe7 14. h4 h6 15. Bxh6 Rh8 16. Bg5 Nd5 17. Qxe4 Rxg5 18. c4 Nb4 19. Qxb7 Nxc2+ 20. Kd2 Nxa1 21. Nf3 Nb3+ 22. Kc2 Na5 23. Qe4 Rf5 24. Ne5+ Rxe5 25. dxe5 Qxa3 26. h5 Qb3+ 27. Kd2 Nxc4+ 28. Ke2 Qb2+ 29. Kd3 Nxe5+ 30. Ke3 Qc3+ 31. Kf4 Nd3+ 0-1

[Event "Olympiad-16 Preliminaries G"]
[Site "Tel Aviv"]
[Date "1964.11.05"]
[Round "3"]
[White "Unzicker, Wolfgang"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C83"]
[PlyCount "57"]
[EventDate "1964.11.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "DOM"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 0-0 11. Qe2 Nc5 12. Nd4 Qd7 13. Bc2 Bg4 14. Qe3 Rae8 15. Qg3 f5 16. exf6 Rxf6 17. Nxc6 Rxc6 18. Nf3 Bf6 19. Be3 Ne4 20. Bxe4 Rxe4 21. Nd2 Be5 22. f4 Rxe3 23. Qxe3 Bd6 24. Nb3 Rc4 25. Rae1 a5 26. Qa7 Bxf4 27. Qa8+ Kf7 28. Nxa5 Ra4 29. b3 1-0

[Event "Olympiad-16 Preliminaries G"]
[Site "Tel Aviv"]
[Date "1964.11.04"]
[Round "2"]
[White "Pena, Gustavo"]
[Black "Paidoussis, Aristidis"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "80"]
[EventDate "1964.11.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Dominican Rep"]
[BlackTeam "Greece"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "GRE"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 d6 6. Nxd4 Nxd4 7. Qxd4 Be7 8. Nc3 0-0 9. Bg5 a6 10. a4 c6 11. Rfe1 Ng4 12. Bxe7 Qxe7 13. h3 Ne5 14. Be2 Qg5 15. Kh1 Rd8 16. Rad1 Be6 17. Qd2 Qh4 18. Qe3 Ng6 19. Rd4 c5 20. Rd2 Rd7 21. Red1 Rad8 22. Kg1 Qf4 23. Qxf4 Nxf4 24. Bf1 d5 25. exd5 Nxd5 26. Ne4 b6 27. a5 Bf5 28. f3 Bxe4 29. fxe4 Nf6 30. Rxd7 Rxd7 31. Rxd7 Nxd7 32. axb6 Nxb6 33. Bxa6 Kf8 34. Bb5 Ke7 35. Kf2 Kd6 36. Kf3 Ke5 37. Ke3 Nc8 38. b3 Nd6 39. Bc6 g5 40. g3 f5 1/2-1/2

[Event "Olympiad-16 Preliminaries G"]
[Site "Tel Aviv"]
[Date "1964.11.03"]
[Round "1"]
[White "Padevsky, Nikola Bochev"]
[Black "Pena, Gustavo"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "73"]
[EventDate "1964.11.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Dominican Rep"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "DOM"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nb5 Bc5 6. f4 Qd8 7. Bc4 d6 8. Nd2 Nf6 9. Be2 0-0 10. Nc3 Qe7 11. Bf3 Bf5 12. Kf1 Bd7 13. Nb3 Bb6 14. h3 a5 15. g4 a4 16. Nd2 h6 17. Nc4 Bc5 18. Ne3 Nd4 19. Bg2 Bc6 20. Nf5 Nxf5 21. exf5 Ne4 22. Nxe4 Bxe4 23. Qe1 Rfe8 24. Bxe4 Qxe4 25. Qxe4 Rxe4 26. Bd2 Rae8 27. Re1 Rxe1+ 28. Bxe1 Be3 29. Bg3 d5 30. Kg2 Re4 31. Re1 Bd2 32. Rd1 Bxf4 33. Bxf4 Rxf4 34. Rxd5 Rc4 35. Rd2 Kf8 36. a3 Ke7 37. Kf3 1/2-1/2

[Event "Caracas CACAC Team Ch 2nd"]
[Site "Caracas"]
[Date "1964.02.26"]
[Round "3"]
[White "Pena, Gustavo"]
[Black "Caro, Alberto Napoleon"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "36"]
[EventDate "1964.02.23"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "VEN"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 Rb8 7. Be3 b5 8. d4 b4 9. Nb1 Qc7 10. 0-0 Ba6 11. e5 Nxd4 12. Nxd4 Bxf1 13. Bc6+ Kf8 14. Qf3 cxd4 15. Bd5 e6 16. Bxe6 dxe5 17. Bg5 Bc4 18. Bh3 h6 0-1

[Event "Caracas CACAC Team Ch 2nd"]
[Site "Caracas"]
[Date "1964.02.25"]
[Round "2"]
[White "Ramirez de Areyano, Julio"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "93"]
[EventDate "1964.02.23"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Dominican Republic"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "DOM"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Bxc6 dxc6 6. Nxe5 Qd4 7. Nd3 Bb6 8. f3 Be6 9. Ne2 Qd7 10. Ndf4 Bc4 11. d3 0-0-0 12. Bd2 Ba6 13. Bc3 Be3 14. g3 Rhe8 15. Bxf6 gxf6 16. Ng2 Bb6 17. Qd2 f5 18. 0-0-0 fxe4 19. fxe4 f5 20. exf5 Qxf5 21. Kb1 Bc4 22. Nc1 Bd5 23. Rhf1 Qg4 24. Rde1 h5 25. Nb3 a5 26. Ne3 Qg5 27. Nxd5 Qxd5 28. Rf4 Qb5 29. a4 Qd5 30. Ree4 Kb8 31. Qe2 Rg8 32. Re5 Qd6 33. Nxa5 Bxa5 34. Rxa5 c5 35. Rb5 Rde8 36. Qf2 b6 37. a5 Qc6 38. Rb3 Rg5 39. Qf3 Qxf3 40. Rxf3 Kb7 41. axb6 cxb6 42. Rf6 Re1+ 43. Ka2 Re2 44. Rbxb6+ Kc7 45. Rbe6 Rxc2 46. Rf7+ Kd8 47. Ra6 1-0

[Event "Caracas CACAC Team Ch 2nd"]
[Site "Caracas"]
[Date "1964.02.23"]
[Round "1"]
[White "Pena, Gustavo"]
[Black "Gotay, Pedro"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "76"]
[EventDate "1964.02.23"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "PUR"]

1. e4 c5 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. Nge2 Ne7 6. d3 d6 7. Be3 Be6 8. 0-0 Qd7 9. f4 Na6 10. Qd2 h5 11. h4 0-0-0 12. Rab1 b6 13. Nd5 Nxd5 14. exd5 Bf5 15. c4 Rde8 16. a3 Re7 17. Nc3 Rhe8 18. Nb5 Nb8 19. fxe5 Bxe5 20. Bf4 a6 21. Bxe5 axb5 22. Bf6 Re2 23. Qc3 Bh3 24. Rf2 Bxg2 25. Kxg2 Qg4 26. d4 Rxf2+ 27. Kxf2 Qe2+ 28. Kg1 Re3 29. dxc5 Rxc3 30. Bxc3 Qe3+ 31. Kh2 Qf2+ 32. Kh1 bxc5 33. cxb5 Qxg3 34. Re1 Qxh4+ 35. Kg2 Nd7 36. Kf3 Ne5+ 37. Bxe5 dxe5 38. Rxe5 Qg4+ 0-1

