[Event "Cali op-B"]
[Site "Cali"]
[Date "2002.12.20"]
[Round "3"]
[White "Zuluaga Mancilla, Cesar"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2225"]
[BlackElo "2280"]
[PlyCount "64"]
[EventDate "2002.11.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 h6 4. Bh4 c5 5. e3 Bg4 6. Nbd2 Nc6 7. c3 Ne4 8. Be2 Nxd2 9. Qxd2 Qa5 10. h3 Bh5 11. 0-0 e6 12. Ne5 Bxe2 13. Qxe2 Nxe5 14. dxe5 Qa4 15. f4 a6 16. Qf3 g6 17. Bf6 Rg8 18. b3 Qc6 19. c4 Be7 20. Rfd1 Bxf6 21. exf6 0-0-0 22. cxd5 exd5 23. Rac1 Kb8 24. Rd2 Rd6 25. a4 Rc8 26. Rcd1 Rcd8 27. Kf2 g5 28. Kg1 gxf4 29. Qxf4 Ka7 30. Qxh6 Rxf6 31. Qh5 d4 32. exd4 cxd4 1-0

[Event "ESP-chT"]
[Site "Cala Galdana"]
[Date "1994.??.??"]
[Round "?"]
[White "De la Villa Garcia, Jesus Maria"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2470"]
[BlackElo "2280"]
[PlyCount "33"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6 5. d4 exd4 6. Nd5 Nxd5 7. exd5 Qe7+ 8. Kf1 Ne5 9. Qxd4 Nxf3 10. gxf3 f6 11. Bf4 Kd8 12. Qc3 c6 13. Re1 Qf7 14. d6 Bg7 15. Re7 Qf8 16. Rxg7 Qxg7 17. Bh6 1-0

[Event "ESP-chT"]
[Site "Cala Galdana"]
[Date "1994.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Ramo Frontinan, Cristobal"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2280"]
[BlackElo "2380"]
[PlyCount "56"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Be7 6. d4 0-0 7. Nc3 Nxc3 8. bxc3 Nc6 9. Be2 Be6 10. Rb1 b6 11. 0-0 h6 12. Ba3 Re8 13. c5 dxc5 14. Bb5 Bd7 15. dxc5 a6 16. Bd3 Bg4 17. Be2 Qxd1 18. Bxd1 Bf5 19. Rc1 Bd3 20. cxb6 Bxf1 21. b7 Rab8 22. Kxf1 Na5 23. Be2 Nxb7 24. Bxa6 Ra8 25. Bb5 Red8 26. Bb2 Rxa2 27. Rb1 Nd6 28. Bd3 Rb8 0-1

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "8"]
[White "Acosta, Alejandro"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C46"]
[BlackElo "2240"]
[PlyCount "41"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nc6 7. Qd2 Nf6 8. f3 Nxd4 9. Bxd4 Be6 10. 0-0-0 c6 11. g4 h6 12. Be2 Qa5 13. h4 0-0-0 14. g5 Nh5 15. Bxg7 Nxg7 16. gxh6 Nh5 17. Qg5 Qe5 18. Rd2 f6 19. Qe3 Kb8 20. Bd1 Qf4 21. Qd4 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "10"]
[White "Alzate, Dario"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C73"]
[BlackElo "2240"]
[PlyCount "110"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 Bg4 7. c3 f6 8. Nbd2 Ne7 9. dxe5 dxe5 10. Qe2 Ng6 11. Nb3 Nh4 12. Rg1 Qd7 13. Be3 Bxf3 14. gxf3 Rd8 15. Rg3 Qd3 16. Qxd3 Rxd3 17. Ke2 Rd8 18. f4 exf4 19. Bxf4 Ng6 20. Bxc7 Rd7 21. Bb6 Bd6 22. Rg4 Ne5 23. Rg2 Nc4 24. Bc5 Kf7 25. Bxd6 Rxd6 26. Nd4 g6 27. b3 Na3 28. f4 Re8 29. Ke3 c5 30. Nf3 Red8 31. Ne1 c4 32. Rc1 Rd1 33. Rxd1 Rxd1 34. Re2 Nb5 35. Kf2 Nxc3 36. Rc2 cxb3 37. axb3 Nxe4+ 38. Ke2 Rd7 39. Nf3 Rb7 40. Rc6 Rxb3 41. Rxa6 Rb7 42. Rc6 Re7 43. Kf1 h5 44. Kg2 Rd7 45. Kf1 Nd2+ 46. Ke2 Nxf3 47. Kxf3 Rd3+ 48. Ke4 Rd2 49. Rc7+ Ke6 50. Rc6+ Kf7 51. Rc7+ Ke6 52. Rc6+ Rd6 53. Rc3 Ra6 54. Rb3 Ra4+ 55. Kf3 Kd5 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "12"]
[White "Betancourt Giraldo, David Rogelio"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2350"]
[BlackElo "2240"]
[PlyCount "88"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 g6 6. d4 cxd4 7. Qxd4 Bg7 8. Qh4 h6 9. Nc3 d6 10. Rd1 Nbd7 11. Be3 Rc8 12. b3 Nc5 13. Nd2 Bxg2 14. Kxg2 Qd7 15. Rac1 Ng4 16. Nd5 Nxe3+ 17. Nxe3 0-0 18. Nd5 g5 19. Qh5 e6 20. Nc3 f5 21. Kg1 d5 22. cxd5 exd5 23. Qf3 Ne4 24. Ndb1 Qe6 25. Qd3 Rfd8 26. Na4 Nc5 27. Nxc5 bxc5 28. e3 c4 29. Qd2 Bf6 30. Rc2 d4 31. exd4 Rxd4 32. Qc1 Rxd1+ 33. Qxd1 c3 34. Na3 Rd8 35. Qc1 Qe4 36. Nb5 Qf3 37. Nxc3 Bxc3 38. Rxc3 Rd1+ 39. Qxd1 Qxd1+ 40. Kg2 Qd5+ 41. Kg1 f4 42. h3 Qe5 43. Rc8+ Kg7 44. gxf4 gxf4 0-1

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "14"]
[White "De Greif, Boris"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2325"]
[BlackElo "2240"]
[PlyCount "23"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bb4 5. Nge2 d6 6. 0-0 h6 7. a3 Ba5 8. b4 Bb6 9. Na4 0-0 10. Nxb6 axb6 11. Bb2 Be6 12. Ng3 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "6"]
[White "Gomez, Frank"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C91"]
[BlackElo "2240"]
[PlyCount "144"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d4 d6 9. c3 Bg4 10. Be3 Na5 11. Bc2 Nc4 12. Bc1 Nd7 13. b3 Ncb6 14. h3 Bh5 15. Nbd2 c5 16. dxc5 dxc5 17. Nf1 Re8 18. Ng3 Bg6 19. Qe2 c4 20. Rd1 Qc7 21. Bb2 Nc5 22. b4 Nba4 23. Rab1 Nxb2 24. Rxb2 Ne6 25. Nf5 Bf8 26. a4 f6 27. Ra1 Qc6 28. Rba2 Red8 29. Qe3 Nf4 30. Kh2 Bh5 31. g3 Ne6 32. g4 Be8 33. g5 fxg5 34. Nxg5 Nf4 35. Nf3 Qg6 36. Rg1 Qf6 37. Rg3 Kh8 38. Ra1 g6 39. N5h4 bxa4 40. Ng5 Bh6 41. Nhf3 Bg7 42. Ng1 h6 43. N5f3 a5 44. b5 Bxb5 45. Qc5 Qc6 46. Qe7 Bf6 47. Qa3 Qb6 48. Rf1 Rd6 49. Rg4 Bg7 50. h4 Bd7 51. Rg3 Be8 52. Nh3 Nh5 53. Rg2 Bd7 54. Rb1 Qa6 55. Nhg1 Nf4 56. Rg3 Qa7 57. Rf1 Qb6 58. Qa2 Qc5 59. Bxa4 Bxa4 60. Qxa4 Qc6 61. Qa3 Rad8 62. Qxa5 Qxe4 63. Qc5 Nh5 64. Rh3 Qf4+ 65. Kh1 e4 66. Ne1 Rd3 67. Nxd3 cxd3 68. Qe3 Qe5 69. c4 Qf5 70. f3 d2 71. Rd1 exf3 72. Rxf3 Qg4 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "1"]
[White "Henao, Raul Fernando"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2320"]
[BlackElo "2240"]
[PlyCount "81"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 Nf6 7. 0-0 0-0 8. Re1 Bg4 9. Nbd2 c5 10. h3 Bh5 11. dxc5 dxc5 12. Nf1 Nc6 13. c3 Bg6 14. Bxg6 hxg6 15. Qb3 Qc7 16. Bg5 Nh5 17. Bxe7 Nxe7 18. Re5 b6 19. Rae1 Nc6 20. R5e3 Nf6 21. Qc4 Rae8 22. b4 Rxe3 23. Rxe3 cxb4 24. cxb4 Qd6 25. Rd3 Ne5 26. Rxd6 Nxc4 27. Rc6 Na3 28. Rc7 Nb5 29. Rb7 Ra8 30. Ne3 Nd6 31. Rc7 Nfe8 32. Rc2 Rd8 33. Ne5 Kf8 34. a4 Ne4 35. f3 N4d6 36. Kf2 g5 37. b5 f6 38. Nc6 Rd7 39. Ke2 Nc8 40. Rc4 Nc7 41. Nb8 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "15"]
[White "Sanchez, Luis Augusto"]
[Black "Agudelo, Antonio"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2240"]
[BlackElo "2345"]
[PlyCount "20"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "2"]
[White "Sanchez, Luis Augusto"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "D59"]
[WhiteElo "2240"]
[BlackElo "2385"]
[PlyCount "45"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. c4 d5 4. Nc3 Be7 5. Nf3 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Be2 Be6 12. 0-0 Nd7 13. Rc1 c5 14. Bb5 c4 15. b3 cxb3 16. Qxb3 Nf6 17. Ne5 Ne4 18. Rc2 Rfc8 19. Rfc1 Rxc2 20. Rxc2 Nd6 21. Bd3 Rc8 22. Rxc8+ Nxc8 23. Qc3 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "7"]
[White "Sanchez, Luis Augusto"]
[Black "Garcia, Luis E"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2240"]
[BlackElo "2375"]
[PlyCount "60"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. e3 e6 5. Nf3 Be7 6. Bd3 Bg6 7. Ne5 a6 8. 0-0 c5 9. dxc5 Bxc5 10. Qf3 0-0 11. Nxg6 hxg6 12. e4 d4 13. e5 dxc3 14. exf6 Qxf6 15. Qxb7 cxb2 16. Rab1 Ra7 17. Qe4 Nd7 18. Bd2 Rb8 19. Qe2 e5 20. Bc4 Qc6 21. c3 a5 22. Be1 Rab7 23. Kh1 Bd6 24. f3 a4 25. Bd3 Nf6 26. c4 a3 27. Bc3 Re7 28. Rfe1 Bb4 29. Qc2 Bxc3 30. Qxc3 Qc5 0-1

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "4"]
[White "Sanchez, Luis Augusto"]
[Black "Gonzalez, Gonzalo"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2240"]
[PlyCount "73"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 dxe4 5. Bxf6 Qxf6 6. Nxe4 Qd8 7. Nf3 Be7 8. Bd3 Nd7 9. 0-0 Nf6 10. c4 0-0 11. Qc2 Nxe4 12. Bxe4 f5 13. Bd3 Bf6 14. Rad1 Qd6 15. c5 Qf4 16. Bc4 Kh8 17. Qb3 Re8 18. Rfe1 c6 19. Bxe6 Bxe6 20. Rxe6 Rxe6 21. Qxe6 Rd8 22. Qe3 Qe4 23. Kf1 g5 24. h3 g4 25. hxg4 Qxg4 26. Qe6 Bg7 27. Re1 Rg8 28. Ne5 Bxe5 29. Qxe5+ Rg7 30. g3 h5 31. Qf6 Qh3+ 32. Kg1 Kh7 33. Re7 Rxe7 34. Qxe7+ Kg6 35. Qxb7 h4 36. Qxc6+ Kg5 37. Qg2 1-0

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "5"]
[White "Sanchez, Luis Augusto"]
[Black "Gonzalez Rodriguez, Jorge Armando"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2240"]
[PlyCount "73"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e4 c5 4. d5 e5 5. f4 exf4 6. e5 Ng8 7. Bxf4 d6 8. Bb5+ Bd7 9. exd6 Qb6 10. Qe2+ Kd8 11. Nf3 Bxd6 12. Bxd6 Qxd6 13. 0-0 Nf6 14. Ne5 Rf8 15. Rae1 c4 16. Nxc4 Qc5+ 17. Qe3 Qxe3+ 18. Nxe3 a6 19. Bd3 b5 20. a3 Re8 21. Nf5 Bxf5 22. Rxe8+ Kxe8 23. Bxf5 Ke7 24. g4 h6 25. h4 g6 26. d6+ Kxd6 27. Bxg6 Nbd7 28. Bxf7 Nxg4 29. Rd1+ Ke7 30. Bd5 Rf8 31. Re1+ Nde5 32. Bg2 Kd6 33. Ne4+ Kc7 34. Nc5 Kb6 35. b4 Rf2 36. Nd3 Nxd3 37. cxd3 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "13"]
[White "Sanchez, Luis Augusto"]
[Black "Gutierrez, Ramon"]
[Result "1/2-1/2"]
[ECO "C81"]
[WhiteElo "2240"]
[PlyCount "58"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

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. Qe2 Be7 10. Rd1 0-0 11. c4 bxc4 12. Bxc4 Qd7 13. Nc3 Nxc3 14. bxc3 f6 15. Bf4 fxe5 16. Nxe5 Nxe5 17. Bxe5 c6 18. Bd3 Bf6 19. Re1 Bf5 20. Bd4 a5 21. Rab1 Rf7 22. Qc2 Bxd4 23. cxd4 Bxd3 24. Qxd3 Qf5 25. Qd2 Raf8 26. Rb2 Qf4 27. Qe3 a4 28. f3 Qd6 29. a3 Rb8 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "9"]
[White "Sanchez, Luis Augusto"]
[Black "Gutierrez Herrera, Jose Antonio"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2240"]
[PlyCount "20"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "11"]
[White "Sanchez, Luis Augusto"]
[Black "Herrera, Gabriel"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "2240"]
[PlyCount "71"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 a6 7. cxd5 exd5 8. Ne5 c6 9. f4 Nxe5 10. fxe5 Ng4 11. Bxe7 Qxe7 12. Qf3 0-0 13. h3 Nh6 14. Bd3 Bd7 15. 0-0 f6 16. exf6 Rxf6 17. Qe2 Bf5 18. e4 Re6 19. e5 Qg5 20. Rf3 Rf8 21. Raf1 Rf7 22. Qf2 g6 23. Ne2 Ree7 24. Bxf5 Rxf5 25. Rxf5 Nxf5 26. Qf4 Qxf4 27. Rxf4 Ng7 28. b4 Rf7 29. Kf2 Rxf4+ 30. Nxf4 Kf7 31. g4 Ne6 32. Ke3 Nxf4 33. Kxf4 h6 34. a4 b6 35. Ke3 Ke6 36. Kd3 1/2-1/2

[Event "COL-ch28"]
[Site "Manizales"]
[Date "1979.??.??"]
[Round "3"]
[White "Zapata, Alonso"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2375"]
[BlackElo "2240"]
[PlyCount "56"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. 0-0 0-0 7. c4 c6 8. Nc3 Nxc3 9. bxc3 Bxe5 10. dxe5 dxc4 11. Bxc4 Qe7 12. Re1 Be6 13. Bd3 Rd8 14. Qc2 g6 15. a4 Nd7 16. Ba3 Qg5 17. Bd6 Nb6 18. c4 Nc8 19. Bc5 Rd7 20. g3 Ne7 21. f4 Qh5 22. Ra3 b6 23. Bxe7 Rxe7 24. Be4 Rd8 25. Bxc6 Rc7 26. Bf3 Qh6 27. Rc3 Qf8 28. Rc1 Rd4 1/2-1/2

[Event "Bogota"]
[Site "Bogota"]
[Date "1977.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Minaya Molano, Juan M"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2270"]
[BlackElo "2355"]
[PlyCount "66"]
[EventDate "1977.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 e5 6. Be2 c6 7. 0-0 Nh6 8. d5 c5 9. a3 0-0 10. b4 f6 11. Be3 b6 12. Ne1 f5 13. f3 Nf6 14. Nd3 f4 15. Bf2 g5 16. bxc5 bxc5 17. Rb1 g4 18. Kh1 g3 19. hxg3 Nh5 20. Qe1 fxg3 21. Bxg3 Nxg3+ 22. Qxg3 Rf6 23. Qe1 Nf7 24. Bd1 Rh6+ 25. Kg1 Bf6 26. Rb2 Rg6 27. Ba4 Bh4 28. Qb1 Qg5 29. Qc1 Qh5 30. g4 Bxg4 31. fxg4 Qxg4+ 32. Kh1 Bg3 33. Rff2 Bxf2 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "11"]
[White "Agudelo, Antonio"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "A11"]
[PlyCount "80"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 c6 4. b3 d5 5. Bb2 Bg7 6. Nf3 0-0 7. 0-0 Bg4 8. cxd5 cxd5 9. Ne5 Bf5 10. d4 Nc6 11. Nxc6 bxc6 12. Nc3 Rc8 13. Na4 Nd7 14. Rc1 e5 15. Qd2 Re8 16. Rfe1 e4 17. e3 h5 18. Rc2 h4 19. Rec1 hxg3 20. hxg3 Re6 21. b4 Nb6 22. Nxb6 axb6 23. b5 c5 24. dxc5 Bxb2 25. Rxb2 bxc5 26. a4 d4 27. a5 c4 28. exd4 Rd6 29. b6 Rxd4 30. Qe1 c3 31. Ra2 c2 32. Raa1 e3 33. Qxe3 Rd1+ 34. Bf1 Bh3 35. b7 Rb8 36. a6 Bxf1 37. Rxd1 cxd1Q 38. Rxd1 Qxd1 39. a7 Ba6+ 40. Kh2 Qd8 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "15"]
[White "Cuellar Gacharna, Miguel"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "E99"]
[PlyCount "60"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 e5 6. Nf3 0-0 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. f3 f4 12. b4 a5 13. bxa5 Rxa5 14. a4 b6 15. Ba3 Nc5 16. Bb4 Ra8 17. a5 Bd7 18. axb6 cxb6 19. Qc2 Qc7 20. Nb5 Bxb5 21. cxb5 Ra7 22. Bxc5 bxc5 23. Nb2 Rfa8 24. Ra6 Rxa6 25. bxa6 c4 26. Ra1 Qb6+ 27. Kf1 Rxa6 28. Rxa6 Qxa6 29. Nxc4 Nc8 30. Qb2 Qa7 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "7"]
[White "De Greif, Boris"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "46"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 Bd7 10. 0-0 0-0 11. Rfe1 h6 12. Bd2 Nc6 13. d4 Rae8 14. a3 Bg4 15. Be3 Bd8 16. h3 Bd7 17. Rad1 a6 18. d5 Ne7 19. g4 g5 20. Bf1 Ng6 21. Bd3 Ne7 22. Bf1 Ng6 23. Bd3 Ne7 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "13"]
[White "Henao, Raul Fernando"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "78"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bc4 Nd7 5. Nf3 c6 6. Bb3 e5 7. 0-0 Ngf6 8. dxe5 dxe5 9. Qe2 Qe7 10. Rd1 Nc5 11. Bg5 h6 12. Be3 Ng4 13. Bxc5 Qxc5 14. Rd2 0-0 15. Rad1 b5 16. h3 Nf6 17. Rd6 a5 18. a3 Kh7 19. Qe3 Qxe3 20. fxe3 b4 21. Na4 bxa3 22. bxa3 Nxe4 23. Rxc6 Ra7 24. Nb6 Bf5 25. g4 Be6 26. Bc4 Rb7 27. Kg2 Rxb6 28. Rxb6 Bxc4 29. Rd7 Rc8 30. Ra7 Bd5 31. Ne1 Ng5+ 32. Kh2 e4 33. Rxa5 Bc3 34. Rxd5 Bxe1 35. Rb2 Rc3 36. a4 Rxe3 37. c4 Bh4 38. Rxg5 Bxg5 39. Rc2 Bf4+ 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "9"]
[White "Rodriguez, Jose ES"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "62"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. b3 Bc5 9. Ba3 Qe7 10. Bxc5 Qxc5 11. Nd2 Bg4 12. Qe1 Nh5 13. Nc4 Nf4 14. Qe3 Qxe3 15. fxe3 Nxd3 16. cxd3 f6 17. Nd6+ Ke7 18. Nxb7 Be2 19. Rf2 Bxd3 20. Nc5 Rhd8 21. Rd2 Bb5 22. Rad1 Rxd2 23. Rxd2 Rd8 24. Rxd8 Kxd8 25. a4 Be2 26. Kf2 Bg4 27. h3 Bc8 28. Ke2 h5 29. h4 Kc7 30. a5 Kd6 31. b4 Bg4+ 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "2"]
[White "Sanchez, Luis Augusto"]
[Black "Alzate, Javier"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "89"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d6 2. e4 Nc6 3. d4 Bg4 4. Be2 Nf6 5. Nc3 e5 6. d5 Ne7 7. Bg5 Ng6 8. Nh4 Nxh4 9. Bxh4 Bd7 10. Bxf6 Qxf6 11. Bg4 0-0-0 12. Bxd7+ Rxd7 13. Qd3 g6 14. Qe3 b6 15. a4 a5 16. Qd3 Qf4 17. b4 axb4 18. Ne2 Qg5 19. a5 bxa5 20. Rxa5 Kd8 21. 0-0 Bg7 22. Rb1 Ke7 23. Rxb4 f5 24. exf5 gxf5 25. f4 Qh4 26. Ng3 Rf8 27. Qxf5 Qh6 28. Qg4 Qg6 29. Qe2 Kf7 30. Nh5 Re7 31. Ra3 Bh6 32. Re4 Rfe8 33. fxe5 Rxe5 34. Rf3+ Kg8 35. Nf6+ Kh8 36. Rxe5 Rxe5 37. Qb5 Be3+ 38. Kf1 Bb6 39. Qd7 h5 40. Qd8+ Kg7 41. Qg8+ Kh6 42. Qh8+ Kg5 43. Nh7+ Kg4 44. h3+ Kh4 45. Qd8+ 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "1"]
[White "Sanchez, Luis Augusto"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "84"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 Nf6 3. e5 Nd5 4. d4 d6 5. Bb5 Bd7 6. c4 Nb6 7. c5 Nd5 8. Bc4 e6 9. Bg5 Be7 10. Bxe7 Qxe7 11. cxd6 cxd6 12. 0-0 Nb6 13. Nbd2 d5 14. Bd3 g5 15. Nb3 0-0-0 16. a4 g4 17. Ne1 Qb4 18. Bb5 Kb8 19. Nd3 Qe7 20. Nbc5 Nc4 21. Nxd7+ Qxd7 22. a5 Qc7 23. Qc2 Rc8 24. Rfc1 Qe7 25. Bxc6 Rxc6 26. Nc5 Rhc8 27. b4 h5 28. b5 Rxc5 29. dxc5 Qxc5 30. Qh7 d4 31. Qxf7 d3 32. a6 Qxb5 33. axb7 Rd8 34. Qf6 Re8 35. Qf4 Nb6 36. Qf7 Qd7 37. Qxh5 Rg8 38. Qh6 Kxb7 39. Qe3 Qd5 40. Rc5 Qb3 41. Qe4+ Nd5 42. Qh7+ Kb6 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "6"]
[White "Sanchez, Luis Augusto"]
[Black "Cuartas, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "119"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. d5 Nb8 6. h3 Bxf3 7. Qxf3 g6 8. Bg5 Bg7 9. Qe3 h6 10. Bf4 c6 11. 0-0-0 Qa5 12. Kb1 Nbd7 13. Bc4 Nh5 14. Bh2 Nb6 15. Bb3 c5 16. e5 dxe5 17. Bxe5 0-0 18. Bxg7 Nxg7 19. Qe4 Rac8 20. Bc4 Qb4 21. Be2 Qxe4 22. Nxe4 Rfd8 23. c4 Nf5 24. Rhe1 Rc7 25. b3 Nd6 26. Nc3 Nd7 27. f4 Nf6 28. Bf3 a6 29. g4 b5 30. cxb5 axb5 31. Rc1 Kf8 32. g5 hxg5 33. fxg5 Nfe8 34. h4 c4 35. h5 gxh5 36. Bxh5 cxb3 37. axb3 Rdc8 38. Kb2 b4 39. Na2 Rxc1 40. Rxc1 Rxc1 41. Kxc1 Ne4 42. Nxb4 Nxg5 43. Kd2 Nf6 44. Be2 Ke8 45. Ke3 Kd7 46. Kf4 Nge4 47. Ke5 Nd6 48. Na6 Kc8 49. Nb4 Kc7 50. Nc6 Nd7+ 51. Kf4 Nc8 52. Ne5 Nxe5 53. Kxe5 Nd6 54. b4 f6+ 55. Ke6 Kd8 56. b5 Ne4 57. b6 Nc5+ 58. Kf7 Kd7 59. Bg4+ Kd6 60. Bc8 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "14"]
[White "Sanchez, Luis Augusto"]
[Black "Garcia, Luis E"]
[Result "1/2-1/2"]
[ECO "E94"]
[PlyCount "61"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nbd7 8. d5 Nc5 9. Qc2 a5 10. Ne1 Ne8 11. Nd3 f5 12. Nxc5 dxc5 13. exf5 gxf5 14. f3 Nd6 15. Be3 b6 16. Bd3 Kh8 17. Rad1 Bd7 18. Kh1 Qh4 19. g3 Qh5 20. f4 e4 21. Be2 Qh3 22. Rg1 Rae8 23. Rg2 Bf6 24. Rdg1 Rg8 25. Qd2 Qh6 26. h3 Re7 27. Rh2 Qg7 28. g4 Bd4 29. Rhg2 Bxe3 30. Qxe3 Qd4 31. Nd1 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "12"]
[White "Sanchez, Luis Augusto"]
[Black "Gutierrez Herrera, Jose Antonio"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "76"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 g6 5. d3 Bg7 6. Nf3 Nge7 7. Bg5 d6 8. Qd2 Nd4 9. Nd1 h6 10. Bxe7 Qxe7 11. c3 Nxf3+ 12. Bxf3 0-0 13. 0-0 b6 14. Bg2 Bb7 15. Ne3 Rae8 16. Rae1 Qd7 17. f4 d5 18. e5 d4 19. Bxb7 dxe3 20. Qg2 Qxd3 21. Be4 Qc4 22. a3 Rd8 23. Rxe3 Rd7 24. Bc6 Rdd8 25. Qc2 Qa6 26. Be4 b5 27. Rd1 c4 28. Re2 Qb6+ 29. Kg2 Rxd1 30. Qxd1 a5 31. Rd2 b4 32. axb4 axb4 33. cxb4 Qxb4 34. Qe2 Rc8 35. Rc2 Bf8 36. Rc3 Be7 37. Bd3 Qb7+ 38. Be4 Qb4 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "10"]
[White "Sanchez, Luis Augusto"]
[Black "Minaya Molano, Juan M"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "109"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. Nc3 Bg7 4. Ne4 d6 5. Nxf6+ exf6 6. e3 0-0 7. f4 a5 8. h4 h5 9. Be2 Na6 10. Nh3 Nc5 11. Nf2 f5 12. d4 Qe7 13. Rh3 Re8 14. Rb1 Nd7 15. c4 Nf6 16. d5 Ng4 17. Bxg7 Kxg7 18. Qd4+ Kg8 19. Nd1 c5 20. Qd3 a4 21. b4 cxb4 22. Rxb4 Nf6 23. Qd4 Ne4 24. Nc3 Nc5 25. Bxh5 Bd7 26. Be2 Kh7 27. Kf2 Rac8 28. Rb6 Rg8 29. g3 Rce8 30. Rh1 Bc8 31. Bf3 Qd8 32. Rbb1 Rg7 33. Rbg1 Qb6 34. Rb1 Qd8 35. Rb5 Bd7 36. Rxc5 dxc5 37. Qxc5 f6 38. d6 Qc8 39. Qd4 Bc6 40. Bd5 b5 41. h5 g5 42. h6 Rb7 43. Bxc6 Qxc6 44. Qd5 Qxd5 45. Nxd5 Rc8 46. Nxf6+ Kg6 47. fxg5 bxc4 48. d7 Rh8 49. Rd1 Rbb8 50. Ne8 Rd8 51. Rd6+ Kxg5 52. Nc7 Rxh6 53. Ne6+ Rxe6 54. Rxe6 Rxd7 55. Rc6 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "8"]
[White "Sanchez, Luis Augusto"]
[Black "Munoz, Francisco"]
[Result "1-0"]
[ECO "B75"]
[PlyCount "79"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Bg7 7. Bc4 a6 8. f3 Nc6 9. Qd2 Bd7 10. Bb3 Qa5 11. 0-0-0 0-0 12. Kb1 Rfc8 13. g4 Ne5 14. g5 Nh5 15. Nd5 Qd8 16. f4 Nc4 17. Bxc4 Rxc4 18. b3 Rcc8 19. Ne2 Rc6 20. Nd4 Rcc8 21. Ne2 Rc6 22. e5 Bg4 23. Rhe1 a5 24. Nd4 Rca6 25. Nb5 Bxd1 26. Rxd1 Rc8 27. exd6 exd6 28. Bd4 Bxd4 29. Qxd4 Qf8 30. f5 Rd8 31. f6 Kh8 32. Ne7 h6 33. Nc7 hxg5 34. Ne6 Qe8 35. Nxg6+ Kh7 36. Nxd8 Kxg6 37. Qd3+ Kxf6 38. Nxb7 Qc6 39. Nxd6 Nf4 40. Qf5+ 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "4"]
[White "Sanchez, Luis Augusto"]
[Black "Velandia, Norberto"]
[Result "1/2-1/2"]
[ECO "D85"]
[PlyCount "67"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. Nf3 c5 7. e4 Nxc3 8. Bxc3 cxd4 9. Nxd4 0-0 10. Qd2 Qb6 11. Nb5 Nc6 12. Bxg7 Kxg7 13. Be2 Rd8 14. Qc3+ Kg8 15. a4 a6 16. Na3 Be6 17. Rd1 Bb3 18. Rxd8+ Rxd8 19. 0-0 Bxa4 20. Rc1 Nd4 21. Bf1 Bc6 22. Nc4 Qb3 23. Qa5 Ne6 24. Qe5 Qb4 25. Na5 Qb6 26. Nxc6 bxc6 27. Qc3 Nd4 28. Qa3 Re8 29. Bc4 e5 30. Qa2 Rf8 31. b3 Kg7 32. Qxa6 Qxa6 33. Bxa6 Rb8 34. Bc4 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "5"]
[White "Santos, German"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "60"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 a6 7. Bf1 d6 8. h3 0-0 9. d4 e5 10. a4 Re8 11. dxc5 dxc5 12. Qc2 Be6 13. Be3 Na5 14. Nbd2 Qc7 15. b3 h6 16. Rac1 c4 17. b4 Nb3 18. Rcd1 b5 19. a5 Nd7 20. g4 Rf8 21. g5 h5 22. Nh4 Rfe8 23. Bg2 Nf8 24. Nf1 Bd7 25. Bb6 Qc8 26. Ne3 Bxh3 27. Rd5 Bxg2 28. Nhxg2 Ne6 29. Red1 Nxg5 30. Rd7 Nd4 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "3"]
[White "Silva Morales, Marco Antonio"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "64"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 c5 3. e3 Nc6 4. Nf3 g6 5. d4 cxd4 6. exd4 d5 7. Be2 Bg7 8. 0-0 0-0 9. Nbd2 Bf5 10. a3 Rc8 11. Nh4 Be6 12. Rc1 Bh6 13. f4 Qd6 14. g3 g5 15. Ng2 Bh3 16. f5 e6 17. Bd3 Rce8 18. fxe6 Qxe6 19. Re1 Qd6 20. Qf3 g4 21. Qf2 Bxg2 22. Kxg2 Re6 23. Bf5 Re7 24. Rxe7 Nxe7 25. Bd3 Ne4 26. Bxe4 dxe4 27. Qe2 f5 28. Re1 Qc6 29. Nf1 b5 30. Bc1 Bg7 31. Bb2 Bh6 32. Bc1 Bg7 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "4"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "C49"]
[PlyCount "97"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1 Nd8 10. d4 Ne6 11. Bc1 Rd8 12. Bf1 Nf8 13. g3 c5 14. Nh4 Be6 15. Bg2 Rac8 16. Rb1 cxd4 17. cxd4 Qc7 18. Rb2 exd4 19. Qxd4 b6 20. Bg5 Qc3 21. Rd1 h6 22. Bxf6 gxf6 23. Nf5 Bxf5 24. exf5 Qxd4 25. Rxd4 Rc5 26. Be4 d5 27. Bf3 Rd6 28. c4 Rxc4 29. Rxd5 Rxd5 30. Bxd5 Rd4 31. Bc6 Nd7 32. Kg2 Ne5 33. Bb5 Nc4 34. Rb3 Nd6 35. Bd3 Ra4 36. Bb1 b5 37. Rd3 Ra6 38. Rd5 Rb6 39. Bd3 a6 40. Rc5 Kg7 41. Kf3 a5 42. Ke3 a4 43. Bc2 Nc4+ 44. Kd4 Ne5 45. Rc8 Nd7 46. Kd5 Ra6 47. Rc7 Ne5 48. Kc5 Ng4 49. Kxb5 1-0

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "8"]
[White "Cuartas, Carlos Enrique"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "74"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 Nd4 5. Ba4 Bb4 6. 0-0 Nxf3+ 7. Qxf3 0-0 8. d3 Bxc3 9. bxc3 d6 10. Bg5 c6 11. Bb3 Be6 12. d4 Bxb3 13. axb3 h6 14. dxe5 hxg5 15. exf6 Qxf6 16. Qxf6 gxf6 17. Rfd1 Rfd8 18. c4 a5 19. Rd3 Kf8 20. Kf1 Ke7 21. Ke2 b5 22. cxb5 cxb5 23. Rd5 Rdc8 24. Kd3 Rcb8 25. Kc3 Ra6 26. Rd4 Rc6+ 27. Kd3 Ra6 28. h3 Ke6 29. Ra3 Rb7 30. Rd5 Rb8 31. Ke3 Rc8 32. Rxb5 Rxc2 33. b4 Rb2 34. Rbxa5 Rb6 35. b5 R6xb5 36. Rxb5 Rxb5 37. Rd3 f5 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "6"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "73"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. Nc3 Nxc3 10. bxc3 Bg4 11. h3 Bh5 12. Rb1 dxc4 13. Bxc4 b5 14. Bd3 Nd7 15. Be4 Rc8 16. Bf5 Bg6 17. Bxg6 hxg6 18. a4 a6 19. Bg5 Be7 20. Bxe7 Qxe7 21. Re1 Qd6 22. Qb3 Nb6 23. axb5 cxb5 24. Ne5 Nc4 25. Ra1 Rfe8 26. Nxc4 Rxe1+ 27. Rxe1 Rxc4 28. Re8+ Kh7 29. Re3 Qc7 30. g3 b4 31. cxb4 Rxd4 32. Re1 Qb7 33. Rb1 Qd5 34. Qxd5 Rxd5 35. Ra1 Rd4 36. Rxa6 Rxb4 37. Kg2 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "9"]
[White "Munoz, Francisco"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "88"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. d3 0-0 6. 0-0 Nc6 7. Nc3 e5 8. h3 h6 9. e4 Be6 10. Nh4 Nd4 11. Ne2 Nxe2+ 12. Qxe2 Nd7 13. Be3 a5 14. Rad1 c5 15. Qe1 Kh7 16. f4 exf4 17. gxf4 f5 18. Qg3 Qe8 19. Kh1 Bf6 20. Bc1 Rg8 21. Rde1 Qd8 22. Nf3 Rg7 23. e5 dxe5 24. fxe5 Be7 25. h4 Nb8 26. Bh3 Qd7 27. Rg1 Nc6 28. Qf4 Rh8 29. Rd1 Nd4 30. Nxd4 Qxd4 31. h5 Qxf4 32. hxg6+ Rxg6 33. Bxf4 Bg5 34. Rdf1 Kg7 35. Bh2 Rd8 36. Bxf5 Bxf5 37. Rxf5 Rxd3 38. e6 Rxe6 39. Rxc5 Re2 40. Re5 Rc2 41. Bg3 Kg6 42. Rxa5 Rxb2 43. Rb5 Rxa2 44. Rxb7 Rc3 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "1"]
[White "Sanchez, Luis Augusto"]
[Black "Agudelo, Antonio"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "53"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nf3 0-0 6. Be2 Bg4 7. Be3 Nfd7 8. 0-0 Nc6 9. d5 Bxf3 10. Bxf3 Na5 11. Be2 c5 12. Qd2 Re8 13. Rab1 b6 14. b3 Nb7 15. f4 e6 16. dxe6 fxe6 17. Bf3 Bxc3 18. Qxc3 Rb8 19. Rbd1 e5 20. f5 Qe7 21. fxg6 hxg6 22. Qd2 Nf8 23. Bg5 Qg7 24. Bg4 Nd8 25. Qd5+ Nf7 26. Bf6 Qh6 27. Rd3 1-0

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "3"]
[White "Sanchez, Luis Augusto"]
[Black "Garcia, Luis E"]
[Result "1/2-1/2"]
[ECO "E97"]
[PlyCount "93"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Bd2 Ne8 10. b4 h6 11. c5 f5 12. Qb3 Kh8 13. Rac1 Nf6 14. cxd6 cxd6 15. exf5 gxf5 16. Qc4 Bd7 17. b5 Rc8 18. Qb4 Rc5 19. Qa3 Ne4 20. Qxa7 Nxc3 21. Bxc3 Nxd5 22. Bxe5 dxe5 23. Qxc5 Nf4 24. Bc4 Qf6 25. Qe3 Qg6 26. Nh4 Qg4 27. Qg3 Qh5 28. Rfe1 Bf6 29. Nf3 Qe8 30. a4 Nh5 31. Rxe5 Nxg3 32. Rxe8 Rxe8 33. hxg3 Rc8 34. Rc2 f4 35. Bd3 Rxc2 36. Bxc2 fxg3 37. fxg3 Bc3 38. Kf2 Kg7 39. Ke3 Kf6 40. Be4 Bc8 41. Kd3 Ba5 42. Nd2 Bc7 43. g4 b6 44. Bf3 Be6 45. Ne4+ Ke5 46. Ke3 Bb3 47. Nc3 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "5"]
[White "Sanchez, Luis Augusto"]
[Black "Lopez, Fernando"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "79"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 e6 5. Nf3 Nf6 6. 0-0 Be7 7. Re1 0-0 8. Nbd2 Nc6 9. c3 b6 10. Nf1 Bb7 11. Ng3 Rc8 12. Bf4 Na5 13. Ne5 Nc4 14. Qe2 Nd6 15. a4 Nfe4 16. f3 Nxg3 17. Bxg3 Nf5 18. Bf2 Nd6 19. Ba6 Qc7 20. Bd3 Qd8 21. Qc2 g6 22. g3 Bf6 23. h4 Nf5 24. Qe2 Rc7 25. h5 Bg7 26. hxg6 hxg6 27. Kg2 Re8 28. Rh1 Bxe5 29. Qxe5 f6 30. Qf4 Ree7 31. Rae1 Bc8 32. g4 g5 33. Qc1 Nd6 34. Bg3 Rg7 35. Rh6 f5 36. gxf5 Nxf5 37. Bxf5 exf5 38. Bxc7 Qxc7 39. Qe3 Bd7 40. Qe5 1-0

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "7"]
[White "Sanchez, Luis Augusto"]
[Black "Minaya Molano, Juan M"]
[Result "1/2-1/2"]
[ECO "E94"]
[PlyCount "35"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Nf3 0-0 6. Be2 e5 7. 0-0 Nbd7 8. d5 Nc5 9. Qc2 a5 10. b3 Nfd7 11. a3 f5 12. exf5 e4 13. Ng5 Qf6 14. Bd2 e3 15. Nge4 Nxe4 16. Nxe4 exf2+ 17. Nxf2 gxf5 18. Rac1 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "2"]
[White "Vallejo, Humberto"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "B75"]
[PlyCount "122"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Nc6 8. f3 Bd7 9. Qd2 Rc8 10. Bb3 Qa5 11. 0-0-0 Ne5 12. Bh6 0-0 13. Kb1 Bxh6 14. Qxh6 Nc4 15. Nde2 Qc5 16. Rd4 b5 17. h4 Qh5 18. Qc1 Qe5 19. h5 Nxh5 20. Rd5 Qf6 21. Rhxh5 gxh5 22. Rg5+ Kh8 23. Nd5 Qxb2+ 24. Qxb2+ Nxb2 25. Kxb2 Rc5 26. Rxh5 a5 27. c3 e6 28. Ndf4 Rxh5 29. Nxh5 f5 30. exf5 Rxf5 31. Nhf4 Rf6 32. Kc1 d5 33. Kd2 Bc6 34. Ke3 a4 35. Bc2 e5 36. Nh5 Re6 37. g4 d4+ 38. cxd4 exd4+ 39. Kf2 Rd6 40. Bd3 b4 41. Nhg3 Bd5 42. Nf5 Rd8 43. Nc1 Rc8 44. Ne7 Rxc1 45. Nxd5 b3 46. axb3 axb3 47. Ke2 b2 48. Nf6 b1Q 49. Bxb1 Rxb1 50. f4 Rb3 51. Nd5 Kg7 52. g5 Kg6 53. Ne7+ Kh5 54. Nc6 Re3+ 55. Kf2 Re4 56. Kf3 d3 57. Kxe4 d2 58. Ne5 d1Q 59. Kf5 Qd4 60. Nf7 Qd7+ 61. Kf6 Qc6+ 0-1

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.02.10"]
[Round "9"]
[White "Cuellar Gacharna, Miguel"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "D60"]
[PlyCount "104"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 c6 7. Qc2 0-0 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Qxc3 c5 13. Rfd1 cxd4 14. Rxd4 Nf6 15. Rh4 Bd7 16. e4 Bc6 17. e5 Nd7 18. Bd3 h6 19. Rg4 f5 20. exf6 Nxf6 21. Rg6 Bxf3 22. gxf3 Nd5 23. Qd2 Nf4 24. Rg4 Rad8 25. Rxf4 Qg5+ 26. Kf1 Rxf4 27. Qe2 Qd5 28. Be4 Qd7 29. Qe3 e5 30. Rc1 b6 31. Qc3 Qd4 32. Qc2 Rh4 33. Kg1 Qd7 34. b4 Qh3 35. Qc4+ Kh8 36. Qc7 Qxh2+ 37. Kf1 Rf8 38. Qc6 Qf4 39. Ke2 Qf6 40. b5 Rf4 41. Rd1 Qf7 42. Rd2 Rf6 43. Qc3 Qe7 44. Rd5 Rd6 45. Rxe5 Re6 46. f4 Re8 47. f3 Rxe5 48. fxe5 Qxe5 49. Qb3 Qh2+ 50. Ke3 Rd8 51. Bd3 Qg1+ 52. Ke2 Qd4 0-1

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.30"]
[Round "1"]
[White "Sanchez, Luis Augusto"]
[Black "Gutierrez, Joaquin A"]
[Result "1-0"]
[ECO "A65"]
[PlyCount "75"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Bd3 Bg7 8. Nge2 0-0 9. 0-0 b6 10. Ng3 Ba6 11. Bf4 Bxd3 12. Qxd3 a6 13. e5 dxe5 14. Bxe5 Nc6 15. Bxf6 Bxf6 16. Nge4 Bg7 17. f4 Nd4 18. Kh1 f5 19. Ng5 h6 20. Nf3 Qd6 21. Rae1 Rfe8 22. Rxe8+ Rxe8 23. Qxa6 Nxf3 24. gxf3 Qxf4 25. Qxb6 Re1 26. Kg2 Rxf1 27. Qe6+ Kh7 28. Kxf1 Qxf3+ 29. Ke1 Qh1+ 30. Kd2 Qxh2+ 31. Kc1 f4 32. Qf7 Qh1+ 33. Nd1 h5 34. d6 f3 35. d7 f2 36. d8Q Kh6 37. Qd2+ Kh7 38. Qdd7 1-0

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.??"]
[Round "2"]
[White "Alzate, Dario"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "E01"]
[PlyCount "61"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[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. g3 c5 5. cxd5 Nxd5 6. Bg2 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Nf3 Nc6 12. 0-0 Bd7 13. e4 Qa5 14. Qf4 f6 15. Rab1 e5 16. dxe5 fxe5 17. Qh4 Qc7 18. Rfd1 h6 19. Rb2 Be6 20. Rdb1 Rab8 21. Qh5 Rf6 22. Nh4 Bf7 23. Qg4 Nd4 24. Bf1 b6 25. Kh1 Rd8 26. Rd2 Rfd6 27. Rbd1 Qc5 28. Ng2 Be6 29. Qh4 R8d7 30. Qh5 Bf7 31. Qg4 1/2-1/2

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.??"]
[Round "4"]
[White "Cuartas, Carlos Enrique"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "111"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. g3 d5 2. f4 c5 3. Bg2 Nc6 4. Nf3 Nf6 5. 0-0 g6 6. d3 Bg7 7. Nc3 0-0 8. e4 dxe4 9. dxe4 Qxd1 10. Rxd1 e5 11. fxe5 Ng4 12. Nd5 Ngxe5 13. Nxe5 Bxe5 14. c3 Bg4 15. Rf1 Kg7 16. Be3 b6 17. Rf2 Rad8 18. Raf1 h6 19. Rc1 Be6 20. Rd2 Bd6 21. b3 Rd7 22. Nf4 Bxf4 23. gxf4 Rxd2 24. Bxd2 Rd8 25. Be3 Ne7 26. Rc2 f6 27. Rd2 Rxd2 28. Bxd2 g5 29. Kf2 gxf4 30. Bxf4 Nc6 31. Bd6 Ne5 32. Bf1 Bd7 33. Ba6 Kf7 34. Ke3 Ke6 35. Bb8 Nc6 36. Bc4+ Ke7 37. Bf4 h5 38. Bc7 Ne5 39. Bd5 b5 40. b4 cxb4 41. cxb4 Nc6 42. a3 Be8 43. Bg3 Ne5 44. Kd4 Kd6 45. h4 Bg6 46. Bb3 Be8 47. Bd1 Bf7 48. Be2 Be8 49. Bf4 a6 50. Bd1 Bf7 51. a4 bxa4 52. Bxa4 Be6 53. Bd1 Bg4 54. Bxg4 hxg4 55. Bxe5+ fxe5+ 56. Ke3 1-0

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.??"]
[Round "7"]
[White "Mecking, Henrique"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C71"]
[PlyCount "57"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[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 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. Bd5 Rb8 9. Qxd4 Ne7 10. a4 c5 11. Qc3 Nxd5 12. exd5 f6 13. axb5 axb5 14. Qg3 Qe7+ 15. Be3 Qe5 16. 0-0 Qxg3 17. hxg3 Be7 18. Re1 Kf7 19. Nc3 Rb7 20. f3 f5 21. Bf4 h6 22. Ra8 g5 23. Bd2 Re8 24. Nd1 Bd7 25. Ra6 b4 26. Ne3 Bb5 27. Ra5 Bd7 28. g4 f4 29. Nd1 1/2-1/2

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.??"]
[Round "8"]
[White "Sanchez, Luis Augusto"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "83"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 0-0 8. Qc2 h6 9. Bh4 Na6 10. a3 Re8 11. Nf3 Nc7 12. Rc1 Bg4 13. Bf5 Bxf5 14. Qxf5 Re6 15. Ne5 Qe8 16. f4 Nd7 17. 0-0 f6 18. Nxd7 Qxd7 19. Rf3 Rae8 20. Qd3 Qf7 21. f5 R6e7 22. Ne2 Re4 23. Bg3 Nb5 24. a4 Bxg3 25. axb5 Bh4 26. bxc6 Bg5 27. c7 Rc8 28. Qb3 Re7 29. Qxb7 Rcxc7 30. Rxc7 Rxc7 31. Qa8+ Kh7 32. h4 Bxh4 33. Nf4 Qd7 34. Qxd5 Qa4 35. Rf1 Bg5 36. Ne6 Bxe3+ 37. Kh2 Rc8 38. Rf3 Bd2 39. Nxg7 Rg8 40. Nh5 Rg5 41. Qf7+ Kh8 42. Nxf6 1-0

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.??"]
[Round "5"]
[White "Sanchez, Luis Augusto"]
[Black "De Greif, Boris"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "50"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[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. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Be3 0-0-0 9. Nd2 c5 10. N4b3 b6 11. 0-0 Ne7 12. Rfd1 Nc6 13. Nf3 Be7 14. h3 Bf6 15. c3 h6 16. Nbd2 Be6 17. Re1 g5 18. Nf1 Ne5 19. Nxe5 Bxe5 20. Nd2 a5 21. a3 f6 22. Nf3 a4 23. Nxe5 fxe5 24. Rad1 Bb3 25. Rxd8+ Kxd8 1/2-1/2

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.??"]
[Round "6"]
[White "Sanchez, Luis Augusto"]
[Black "Minaya Molano, Juan M"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "94"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6 7. d3 Qd7 8. Nd5 Nd8 9. e4 c6 10. Ne3 Ne7 11. f4 f5 12. 0-0 0-0 13. Rb1 Nf7 14. b3 d5 15. cxd5 cxd5 16. fxe5 dxe4 17. dxe4 Qxd1 18. Rxd1 fxe4 19. Bxe4 Ng5 20. Bg2 Bxe5 21. Nc4 Bf6 22. Bxg5 Bxg5 23. Bxb7 Rab8 24. Be4 Bg4 25. Re1 Nf5 26. Ne5 Bh3 27. Nf4 Bxf4 28. gxf4 Rbd8 29. Bxf5 Rxf5 30. Re3 Rh5 31. Rbe1 Rf8 32. Rf3 Rh4 33. Re4 Rd8 34. Re2 Rd4 35. Kf2 Bf5 36. Kg3 Rh3+ 37. Kg2 Rh4 38. Kg3 Rh3+ 39. Kg2 Rh4 40. Nc6 Rg4+ 41. Kf2 Rd1 42. Ne7+ Kf7 43. Nxf5 gxf5 44. Rc2 h5 45. Rc7+ Kf6 46. Rc6+ Kf7 47. Rc7+ Kf6 1/2-1/2

[Event "Bogota El Tiempo"]
[Site "Bogota"]
[Date "1970.01.??"]
[Round "3"]
[White "Sanchez, Luis Augusto"]
[Black "Yepez, Trotzky"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "81"]
[EventDate "1970.01.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[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. e3 c6 9. b3 Re8 10. Bb2 e4 11. Nd2 d5 12. f3 exf3 13. Qxf3 Nb6 14. c5 Bg4 15. Qf2 Nbd7 16. e4 Be6 17. h3 Rf8 18. e5 Ne8 19. Ne2 f6 20. Qe3 fxe5 21. dxe5 Nc7 22. Nf3 Qe7 23. b4 Rae8 24. Nf4 Bf5 25. Rae1 Be4 26. Nd3 Ne6 27. h4 Rf7 28. Nh2 Rxf1+ 29. Kxf1 Qf7+ 30. Kg1 Bxg2 31. Kxg2 h5 32. Rf1 Qe7 33. Nf3 Rf8 34. Nf4 Nxf4+ 35. gxf4 Bh6 36. Ng5 Bxg5 37. hxg5 Qe6 38. Qh3 Rf5 39. Qc3 Nf8 40. a4 Rf7 41. Kh2 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Campos Lopez, Mario"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "43"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Bb3 Bd7 10. Qd2 Rc8 11. 0-0-0 a5 12. a4 Ne5 13. Qe2 Qe8 14. Ncb5 Nc6 15. Kb1 Nb4 16. Qd2 Qd8 17. h4 Na6 18. h5 Nxh5 19. Bh6 Nc5 20. Rxh5 Nxb3 21. Nxb3 Bf6 22. e5 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Colon Romero, Miguel"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "D40"]
[PlyCount "63"]
[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 e6 3. Nc3 c5 4. e3 cxd4 5. exd4 Nf6 6. Nf3 Be7 7. Bd3 0-0 8. 0-0 Nc6 9. a3 dxc4 10. Bxc4 Qa5 11. Qe2 Rd8 12. Rd1 a6 13. Bf4 Qh5 14. Bc7 Rd7 15. Bb6 Bd8 16. Na4 Nd5 17. Bxd5 Rxd5 18. Bxd8 Rxd8 19. Nb6 Rb8 20. d5 exd5 21. Rxd5 Bf5 22. Rad1 Rxd5 23. Rxd5 Qg6 24. Qd2 Be6 25. Rd3 h6 26. h3 Qf5 27. Nd4 Nxd4 28. Rxd4 Qg6 29. Kh2 Kh7 30. Nd7 Rc8 31. Ne5 Qf5 32. Nd3 1/2-1/2

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "4"]
[White "Cuartas, Carlos Enrique"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "E15"]
[PlyCount "63"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c5 6. Bg2 Nc6 7. dxc5 Bxc5 8. a3 Rc8 9. Nbd2 Bb7 10. b4 Be7 11. 0-0 0-0 12. Bb2 h6 13. Rfd1 Rc7 14. Rac1 Qa8 15. h3 Ne8 16. e4 d6 17. Nb3 a6 18. Qe2 Nb8 19. e5 Nd7 20. exd6 Nxd6 21. c5 bxc5 22. bxc5 Ne8 23. Bd4 Nef6 24. Na5 Bxc5 25. Nxb7 Qxb7 26. Ne5 Qc8 27. Bxc5 Nxc5 28. Qc4 Nd5 29. Bxd5 exd5 30. Qxd5 Ne6 31. Rxc7 Qxc7 32. Qd6 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Cuartas, Carlos Enrique"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C98"]
[PlyCount "65"]
[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 d6 4. 0-0 a6 5. Ba4 Nf6 6. Re1 b5 7. Bb3 Be7 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. a4 Rb8 14. d5 Nd8 15. axb5 axb5 16. c4 b4 17. Nf1 Ne8 18. g4 g6 19. Ng3 Ng7 20. Kh1 f6 21. Rg1 Nf7 22. Nh2 Bd7 23. Be3 Ra8 24. Qd2 Rxa1 25. Rxa1 Qb7 26. b3 Ra8 27. Qc1 Ra6 28. Rxa6 Qxa6 29. h4 Qa2 30. Qb1 Qxb1+ 31. Bxb1 h6 32. h5 g5 33. Nf5 1/2-1/2

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "1"]
[White "Cuellar Gacharna, Miguel"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "A39"]
[PlyCount "77"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 Nc6 4. Nc3 g6 5. Nf3 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 Ng4 9. e3 f5 10. b3 Nxd4 11. exd4 d6 12. h3 Nf6 13. Bb2 e6 14. Rc1 Rb8 15. Re1 Re8 16. Rc2 a6 17. a4 b6 18. Rce2 Bd7 19. Qa1 Qc7 20. Na2 Rbd8 21. Nb4 Qc8 22. a5 b5 23. Rc2 bxc4 24. Rxc4 Qb8 25. Nxa6 Qxb3 26. Rc3 Qa4 27. Qxa4 Bxa4 28. Nc7 Re7 29. Rxe6 Rf7 30. a6 Ne4 31. Rc1 Bb3 32. Re8+ Rxe8 33. Nxe8 Ra7 34. Rc7 Rxa6 35. Nxg7 Ra2 36. Bxe4 Rxb2 37. Bc6 Rb1+ 38. Kh2 Rb2 39. Rb7 1-0

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "8"]
[White "De Greif, Boris"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "59"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 c5 6. dxc5 Bxc5 7. Be2 0-0 8. 0-0 Nc6 9. a3 dxc4 10. Nxc4 Qxd1 11. Rxd1 Rd8 12. Rxd8+ Nxd8 13. b4 Be7 14. Nfe5 Nd7 15. Bb2 Nxe5 16. Nxe5 f6 17. Nc4 e5 18. Rd1 Be6 19. e4 Nf7 20. Ne3 Rc8 21. Kf1 Nd6 22. f3 Nc4 23. Nxc4 Bxc4 24. Bxc4+ Rxc4 25. Rd3 h6 26. Bc3 Kh7 27. Bd2 Rc6 28. Rd7 Rd6 29. Rxe7 Rxd2 30. Rxb7 1-0

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "10"]
[White "Minaya Molano, Juan M"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "92"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Bc4 Nf6 8. f3 0-0 9. Qd2 Bd7 10. Bb3 Rc8 11. h4 Qa5 12. 0-0-0 Nxd4 13. Bxd4 Be6 14. Kb1 Bxb3 15. axb3 Rfe8 16. h5 Rc6 17. hxg6 hxg6 18. Bxf6 Ra6 19. Na4 Qxd2 20. Rxd2 Bxf6 21. Nc3 Rc6 22. Nd5 Bg7 23. c3 e6 24. Ne3 b5 25. g3 a5 26. Rhd1 Bf8 27. Ng4 Ra8 28. e5 dxe5 29. Nxe5 Rc7 30. Rd8 Rxd8 31. Rxd8 Kg7 32. f4 b4 33. c4 Bc5 34. Nd3 Ba7 35. Kc2 Kf6 36. g4 g5 37. fxg5+ Kxg5 38. Kd2 Kxg4 39. Ke2 Kf5 40. Kf3 f6 41. Rd6 e5 42. Rd5 Rh7 43. Rxa5 Rh3+ 44. Ke2 Ke4 45. Nxb4 Bd4 46. Nd5 Rh2+ 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Munoz, Cesar"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "D40"]
[PlyCount "135"]
[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 e6 3. Nf3 Nf6 4. e3 Be7 5. Nc3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. b3 c5 9. Bb2 cxd4 10. exd4 Nc6 11. a3 Rc8 12. Rc1 Qd6 13. Qe2 Na5 14. c5 bxc5 15. dxc5 Qf4 16. b4 d4 17. Nxd4 Qxd4 18. Ne4 Qd5 19. c6 Nxc6 20. Bxf6 Bxf6 21. Nxf6+ gxf6 22. Rc5 Qxg2+ 23. Kxg2 Nd4+ 24. Be4 Nxe2 25. Bxb7 Rcd8 26. Ba6 Nf4+ 27. Kf3 Nd5 28. Rg1+ Kh8 29. Rgc1 Rd6 30. Bb7 Nb6 31. Ba6 Nd7 32. Ra5 Ne5+ 33. Ke2 Nc6 34. Ra4 Nd4+ 35. Kf1 Rd7 36. Be2 Rg8 37. Bd1 f5 38. Ra5 f6 39. Rac5 Rdg7 40. Ke1 Rd8 41. f3 e5 42. Rc8 Rxc8 43. Rxc8+ Rg8 44. Rc7 Rg7 45. Rc8+ Rg8 46. Rc7 a5 47. bxa5 Ra8 48. Rc5 Kg7 49. f4 Ne6 50. Rc6 Nxf4 51. a6 Ra7 52. Bb3 Nd3+ 53. Kd2 e4 54. Rb6 Nc5 55. Bc4 Rc7 56. Ke3 Nxa6 57. Bxa6 Rc3+ 58. Kf2 Rxa3 59. Bb7 Kg6 60. Rb2 Kg5 61. Kg2 h5 62. Bd5 h4 63. Rb3 Rxb3 64. Bxb3 f4 65. Bd5 f3+ 66. Kf2 Kf4 67. Bc6 f5 68. Bb7 1/2-1/2

[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 "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "2"]
[White "Rodriguez, Jose ES"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "80"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. h3 Bg7 6. Bb5 Bd7 7. 0-0 e6 8. Bxc6 bxc6 9. Qe1 Ne7 10. d3 Rb8 11. b3 0-0 12. Bb2 f6 13. Na4 e5 14. Qh4 Nc8 15. fxe5 fxe5 16. Qxd8 Rxd8 17. Bc1 h6 18. Be3 Ne7 19. Nb2 g5 20. Kh2 Ng6 21. g3 Be6 22. Rad1 Rb7 23. Nd2 Nf4 24. g4 Bf6 25. Bxf4 exf4 26. Nbc4 h5 27. e5 Bxe5 28. Nxe5 dxe5 29. gxh5 g4 30. hxg4 Bxg4 31. Rde1 Rd5 32. Rg1 Rg7 33. Ne4 Kf7 34. Nf2 Bxh5 35. Rxg7+ Kxg7 36. c4 Rd6 37. Rxe5 Bf3 38. Kg1 Rg6+ 39. Kf1 Kf7 40. Rf5+ Ke6 1-0

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "9"]
[White "Sanchez, Luis Augusto"]
[Black "Cuartas, Carlos Enrique"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "114"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[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. g3 0-0 6. Bg2 e5 7. Nge2 exd4 8. Nxd4 Re8 9. 0-0 Nbd7 10. h3 Nc5 11. Re1 c6 12. Nb3 Nxb3 13. axb3 Qc7 14. Be3 a6 15. Qd2 Nd7 16. Qc2 b6 17. b4 Bb7 18. f4 Rad8 19. Rad1 Nf6 20. Bf2 Rd7 21. Re2 c5 22. b5 a5 23. g4 Rde7 24. b3 Nd7 25. f5 Be5 26. Nd5 Bxd5 27. cxd5 Bg7 28. Bg3 Be5 29. Bh4 f6 30. fxg6 hxg6 31. Bf2 Bf4 32. Be3 Bxe3+ 33. Rxe3 Re5 34. Qf2 Qd8 35. h4 Qe7 36. Rg3 Kg7 37. Rf1 Rf8 38. Rh3 Rh8 39. Qg3 g5 40. Rf5 gxh4 41. Rxh4 Rxh4 42. Qxh4 Rxf5 43. gxf5 Kg8 44. Qg3+ Kf8 45. Qh2 Ne5 46. Qh8+ Kf7 47. Qh5+ Kg8 48. Kf2 Qf7 49. Qh4 Qh7 50. Qg3+ Qg7 51. Qh4 Qg5 52. Qxg5+ fxg5 53. Kg3 Kg7 54. Bf1 Kf6 55. Be2 Nd7 56. Bh5 Ke5 57. Bd1 Nf6 0-1

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "6"]
[White "Sanchez, Luis Augusto"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "76"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. d3 d6 6. g3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qd1 Nf6 10. Be2 Qd7 11. Be3 Rc8 12. Qd2 h5 13. Bd1 e5 14. fxe5 dxe5 15. Qf2 0-0 16. g4 hxg4 17. hxg4 Nxg4 18. Qh4 f5 19. Bxg4 Bf6 20. Qh6 fxg4 21. Qxg6+ Qg7 22. Qxg7+ Bxg7 23. 0-0-0 Nf3 24. Ne2 Kf7 25. Ng3 Kg6 26. Rdf1 c4 27. dxc4 Rxc4 28. Rf2 b6 29. c3 Rh8 30. Rxh8 Bxh8 31. Kc2 Bf6 32. Kd3 Rc7 33. Nf5 Rh7 34. Ke2 Rd7 35. Rg2 Kh5 36. Ng3+ Kh4 37. Nf5+ Kh5 38. Ng3+ Kh4 1/2-1/2

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "3"]
[White "Sanchez, Luis Augusto"]
[Black "De Greif, Boris"]
[Result "0-1"]
[ECO "E63"]
[PlyCount "83"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. Nc3 a6 8. h3 Rb8 9. a4 a5 10. e4 e5 11. Be3 exd4 12. Nxd4 Re8 13. Rc1 Nd7 14. Re1 Nce5 15. Bf1 Nc5 16. Ndb5 Be6 17. b3 g5 18. Nd4 Qf6 19. Kg2 g4 20. Nxe6 Qf3+ 21. Qxf3 gxf3+ 22. Kg1 fxe6 23. Rb1 c6 24. Red1 Ned7 25. Bd4 Be5 26. h4 h5 27. Bh3 Kf7 28. b4 axb4 29. Rxb4 Ke7 30. a5 Ra8 31. Bxc5 Nxc5 32. Na4 Reb8 33. Nxc5 dxc5 34. Rb3 Rxa5 35. Rxf3 b5 36. Bf1 b4 37. Rfd3 Bd4 38. R3d2 b3 39. Bd3 Ra2 40. Bb1 Rxd2 41. Rxd2 Ra8 42. Bd3 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Garcia, Silvino"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "40"]
[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 c5 2. Nc3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. f4 g6 6. Nf3 Nc6 7. 0-0 Bg7 8. d3 e6 9. Qe1 Nd4 10. Qf2 Nxf3+ 11. Qxf3 Ne7 12. Be3 0-0 13. g4 f5 14. Kh1 Rac8 15. Bf2 b5 16. Rae1 b4 17. Nd1 e5 18. gxf5 gxf5 19. fxe5 Bxe5 20. Rg1+ Ng6 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Hook, William"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "161"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Qf3 Ne7 6. a3 Ba5 7. Bd3 c5 8. dxc5 Bxc3+ 9. bxc3 Qa5 10. Ne2 Nbc6 11. 0-0 Qxc5 12. Qg3 0-0 13. a4 Re8 14. Ba3 Qa5 15. Bxe7 Nxe7 16. Nd4 Bd7 17. Nb3 Qd8 18. Nc5 Bc6 19. h4 Nc8 20. Nb3 Qf6 21. Nd4 Nd6 22. f3 Bd7 23. a5 Rac8 24. Ne2 Bb5 25. Rfe1 Bxd3 26. cxd3 Nb5 27. Rac1 h6 28. Qf2 Qa6 29. c4 dxc4 30. dxc4 Nd6 31. c5 Nb5 32. Ng3 Rxe1+ 33. Rxe1 Qf6 34. Rb1 a6 35. Ne4 Qd8 36. Qe1 Rc7 37. Rd1 Rd7 38. Rxd7 Qxd7 39. Qg3 Qd8 40. Kh2 Kh7 41. Qf4 Qd5 42. Nd6 Qxc5 43. Nxf7 Qd5 44. Ne5 Nd6 45. g4 Qxa5 46. Nd7 Qc7 47. Nf8+ Kg8 48. Ne6 Qe7 49. Nc5 Qxh4+ 50. Kg2 Qe7 51. Qd4 a5 52. Nb3 Nf7 53. Qc4 Qd7 54. Nd4 Kh8 55. Qc5 Ng5 56. Kg3 a4 57. Nf5 Ne6 58. Qb4 b5 59. Nd6 Qc7 60. Kg2 g5 61. Qb2+ Kg8 62. Nxb5 Nf4+ 63. Kh1 Qc4 64. Nd4 Kf7 65. Qa1 Ke8 66. Nf5 Kd7 67. Qg7+ Kc6 68. Qxh6+ Ne6 69. Nd4+ Qxd4 70. Qxe6+ Kb5 71. Qe2+ Kb4 72. Qe1+ Qc3 73. Qe7+ Kb3 74. Kg2 a3 75. Kg3 a2 76. Qe6+ Kb2 77. Qe2+ Kb3 78. Qe6+ Kb2 79. Qe2+ Qc2 80. Qe5+ Qc3 81. Qe2+ 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Idrovo, Franklin"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "75"]
[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 c5 2. Nc3 Nc6 3. f4 d6 4. Bb5 Bd7 5. Bxc6 Bxc6 6. Nf3 e6 7. 0-0 Qb6 8. d3 0-0-0 9. a4 a5 10. Kh1 d5 11. e5 Nh6 12. b3 Nf5 13. Bd2 h5 14. Qe1 c4 15. Ne2 Bb4 16. c3 cxd3 17. Ng3 Nxg3+ 18. Qxg3 h4 19. Nxh4 Be7 20. Nf3 Rh7 21. Nd4 Rdh8 22. h3 Bc5 23. Qxd3 Bd7 24. Rab1 Qd8 25. Nf3 d4 26. Ng5 dxc3 27. Bxc3 Rh5 28. Rbd1 Qe7 29. Kh2 Bc6 30. Bxa5 b6 31. Bc3 f5 32. b4 Qb7 33. bxc5 Bxg2 34. Kg1 Rxg5 35. fxg5 Bxh3 36. Qf3 Qa6 37. Qc6+ Kb8 38. Rb1 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "B14"]
[PlyCount "64"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Bc4 0-0 8. Nge2 Nbd7 9. Nf4 Ne8 10. 0-0 Nd6 11. Bb3 b6 12. Re1 Nf5 13. Be3 Bb7 14. Qd3 Nf6 15. Rac1 a6 16. Rc2 b5 17. a3 Qd7 18. Rce2 Rfe8 19. Qb1 Rac8 20. Qa2 a5 21. Bc2 Nxe3 22. fxe3 g5 23. Nh3 h6 24. e4 e6 25. Bd3 exd5 26. Bxb5 Bc6 27. Bxc6 Qxc6 28. e5 Ne4 29. Nxe4 dxe4 30. Rxe4 Red8 31. Nf2 Qc2 32. Qb1 Qb3 1/2-1/2

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "5"]
[White "Sanchez, Luis Augusto"]
[Black "Minaya Molano, Juan M"]
[Result "0-1"]
[ECO "D25"]
[PlyCount "98"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[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 Bg4 5. Bxc4 e6 6. Nbd2 a6 7. Qc2 Be7 8. a3 0-0 9. 0-0 Nbd7 10. b4 Bd6 11. Bb2 Qe7 12. Ne5 Rfc8 13. f4 Bxe5 14. fxe5 Nd5 15. Rae1 a5 16. bxa5 Rxa5 17. Bd3 f5 18. e4 fxe4 19. Bxe4 Nf8 20. Qb3 b6 21. Nc4 Ra7 22. Qg3 Bh5 23. Qh3 Qe8 24. Rxf8+ Kxf8 25. Bxh7 Ke7 26. Qg3 Kd7 27. Qg5 Ne7 28. Be4 Bg6 29. Bf3 Bd3 30. Ne3 Qg6 31. Qh4 Rf8 32. Kh1 Ra5 33. d5 Nxd5 34. Nxd5 Rxd5 35. Bxd5 exd5 36. e6+ Qxe6 37. Qg3 g6 38. h3 Qxe1+ 39. Qxe1 Rf1+ 40. Qxf1 Bxf1 41. Kg1 Bd3 42. Be5 c5 43. Kf2 d4 44. g4 b5 45. h4 Ke6 46. Bg7 Kd5 47. h5 gxh5 48. gxh5 c4 49. Ke1 c3 0-1

[Event "Bogota"]
[Site "Bogota"]
[Date "1969.??.??"]
[Round "7"]
[White "Sanchez, Luis Augusto"]
[Black "Rodriguez, Jose ES"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "56"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. Nf3 Nge7 7. 0-0 Bd7 8. Rb1 Qc8 9. e3 Bh3 10. b4 Bxg2 11. Kxg2 a6 12. Bd2 0-0 13. a4 a5 14. b5 Nb4 15. Ne1 c5 16. Qf3 b6 17. e4 Qe6 18. Nd5 Nexd5 19. cxd5 Qd7 20. Qe2 f5 21. f3 f4 22. g4 g5 23. Bc3 Bf6 24. Nc2 Nxc2 25. Qxc2 Kf7 26. h3 Rh8 27. Rh1 h5 28. Rbg1 h4 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Rojas Sepulveda, Eduardo"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "125"]
[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 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 e6 5. Bb5 a6 6. Bxc6 bxc6 7. 0-0 d5 8. d3 Bg7 9. Qe1 Rb8 10. b3 Nf6 11. Bb2 0-0 12. Ne5 Bb7 13. Ba3 Nd7 14. Nxd7 Qxd7 15. e5 f5 16. Bxc5 Rf7 17. Na4 Bf8 18. d4 Qc7 19. Rf3 Bxc5 20. Nxc5 Bc8 21. Rc3 Qb6 22. Qe3 h6 23. a4 a5 24. Rf1 Ra8 25. Rf3 Raa7 26. Nd3 Rh7 27. Nf2 Rag7 28. Rc5 Ra7 29. Qc3 Bb7 30. g4 Rg7 31. Rg3 Qc7 32. Qe1 Bc8 33. Rcc3 Qb6 34. Qd2 Rac7 35. Rc5 Ra7 36. Qe3 Qc7 37. Qc3 Bb7 38. gxf5 gxf5 39. Rxg7+ Qxg7+ 40. Kh1 Qc7 41. Qh3 Kh7 42. Qh5 Ra8 43. Nh3 Qe7 44. Ng5+ Kg7 45. Nf3 Kh7 46. Qh4 Qxh4 47. Nxh4 Kg7 48. Rc3 Kf7 49. Kg1 Rg8+ 50. Rg3 Ba6 51. Rxg8 Kxg8 52. Kf2 Kf8 53. Ke3 Ke7 54. Nf3 Kd7 55. Ne1 Kc7 56. Nd3 Bxd3 57. Kxd3 Kb6 58. c4 Kb7 59. Kc3 Kb6 60. cxd5 cxd5 61. b4 axb4+ 62. Kxb4 h5 63. h4 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Sanchez, Luis Augusto"]
[Black "Salas Chavez, Narciso"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "99"]
[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 e6 2. d3 d5 3. Nd2 Nf6 4. g3 Be7 5. Bg2 0-0 6. Ngf3 c5 7. 0-0 Nc6 8. Re1 d4 9. a4 e5 10. Nc4 Bg4 11. h3 Bxf3 12. Bxf3 Ne8 13. Bg2 Nd6 14. b3 Nxc4 15. bxc4 a5 16. f4 Bf6 17. Rf1 Ra6 18. Qg4 Rb6 19. Rf2 Nb4 20. f5 g6 21. h4 h5 22. Qf3 Kg7 23. Bh3 Rh8 24. Rg2 g5 25. g4 hxg4 26. Rxg4 Rxh4 27. Rxh4 gxh4 28. Kh1 Qh8 29. Ba3 Kf8 30. Rg1 Ke7 31. Bg4 Qe8 32. Bh5 Qxa4 33. Qg2 Qe8 34. Qd2 Rd6 35. Bd1 Qh8 36. Rg4 h3 37. Be2 Bg7 38. Qg5+ Bf6 39. Qc1 b6 40. Qb1 Rd8 41. Bxb4 cxb4 42. c5 b5 43. Qa2 Qh6 44. Rg1 h2 45. Rd1 Qe3 46. Bh5 Rg8 47. Qxf7+ Kd8 48. Qxg8+ Kc7 49. Qf7+ Kc6 50. Qd5+ 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C66"]
[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. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Be7 5. 0-0 d6 6. d4 Bd7 7. Re1 a6 8. Bxc6 Bxc6 9. b3 exd4 10. Nxd4 Bd7 11. h3 0-0 12. Bb2 Re8 13. Qf3 Bf8 14. Rad1 g6 15. Nd5 Nxd5 16. exd5 Bg7 17. Rxe8+ Bxe8 18. Bc3 Bd7 19. Ne2 Rc8 20. Ng3 Qf8 21. Re1 f5 22. a4 Re8 23. Rxe8 Bxe8 24. Ne2 Be5 25. Bxe5 dxe5 26. Qe3 Qd6 27. c4 c6 28. f4 e4 29. Qb6 Qd7 30. d6 Qxd6 31. Kf2 Qd3 32. Qxb7 e3+ 33. Kf3 Qe4+ 34. Kg3 Qd3 35. Qb8 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.18"]
[Round "13"]
[White "Kalotay, Andrew"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "A39"]
[PlyCount "83"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "COL"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 Nf6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Ng4 9. e3 d6 10. Nde2 Nge5 11. b3 Bg4 12. f3 Bd7 13. f4 Ng4 14. h3 Nh6 15. Rb1 f5 16. Kh2 Nf7 17. Bb2 e6 18. Nb5 Qe7 19. Bxg7 Kxg7 20. Qd2 a6 21. Nbc3 Rad8 22. Rfd1 Bc8 23. Rbc1 h5 24. h4 Nh6 25. Nd4 Qe8 26. Kg1 Ng4 27. Re1 e5 28. Nf3 e4 29. Ng5 Ne7 30. Nd5 Nxd5 31. cxd5 Qe7 32. Rc3 Bd7 33. Rec1 Rc8 34. Rc7 Kg8 35. Rxb7 Qd8 36. Bf1 a5 37. Ne6 Bxe6 38. dxe6 Rxc1 39. Qxc1 Qc8 40. Qxc8 Rxc8 41. e7 d5 42. Rc7 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.16"]
[Round "12"]
[White "Sanchez, Luis Augusto"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "83"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Nf6 7. Nf3 0-0 8. 0-0 Rb8 9. h3 b5 10. g4 b4 11. Ne2 c4 12. Be3 cxd3 13. cxd3 Qa5 14. Ng3 Ba6 15. Rf2 Rfd8 16. d4 e6 17. g5 Ne8 18. f5 exf5 19. exf5 d5 20. h4 Nd6 21. Bf4 Qb6 22. Bxd6 Rxd6 23. f6 Bf8 24. Rc1 Bc8 25. Nf1 Bf5 26. Ne3 Be4 27. Rd2 Re8 28. Ng4 Rde6 29. Kh1 Qb8 30. Nfe5 Nxe5 31. Nxe5 Bd6 32. Bxe4 dxe4 33. Nc6 Qb5 34. d5 e3 35. dxe6 exd2 36. exf7+ Kxf7 37. Qxd2 Qf5 38. Qxd6 Qf3+ 39. Kg1 Qg4+ 40. Kf1 Qe2+ 41. Kg1 Qg4+ 42. Kf1 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.15"]
[Round "11"]
[White "Dunkelblum, Arthur"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "A35"]
[PlyCount "92"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Belgium"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "COL"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. Nxd4 Bg7 7. Be2 0-0 8. 0-0 d6 9. Nc2 Nd7 10. Nd5 a5 11. Rb1 Nc5 12. Bd2 Bf5 13. f3 e6 14. e4 exd5 15. exf5 d4 16. Be1 gxf5 17. Bf2 Re8 18. Bd3 Qf6 19. Re1 Re6 20. a3 Qg5 21. Bf1 a4 22. Rxe6 Nxe6 23. Kh1 Be5 24. Ne1 Bf4 25. g3 Be3 26. f4 Qe7 27. Nd3 Nc5 28. Kg1 Bxf2+ 29. Nxf2 Qe3 30. Kg2 Ne4 31. Nd3 Na5 32. Qc2 Nd2 33. Re1 Naxc4 34. Kh1 Qf3+ 35. Bg2 Qh5 36. Bd5 Ne3 37. Bxf7+ Qxf7 38. Qxd2 Qd5+ 39. Kg1 Rc8 40. Nb4 Qe4 41. Re2 Rc5 42. Re1 h5 43. Qf2 h4 44. h3 Rc7 45. g4 fxg4 46. hxg4 Rf7 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.14"]
[Round "10"]
[White "Sanchez, Luis Augusto"]
[Black "Holmes, Hugh Douglas"]
[Result "0-1"]
[ECO "C26"]
[PlyCount "104"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "SCO"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. d3 d6 6. Nf3 Be6 7. Na4 Qd7 8. Nxc5 dxc5 9. b3 Bh3 10. 0-0 Bxg2 11. Kxg2 0-0-0 12. Be3 Qe7 13. Nh4 g6 14. f4 exf4 15. Bxf4 Nh5 16. Be3 Ng7 17. Qd2 Ne6 18. Qf2 Ne5 19. h3 Nd4 20. b4 b6 21. bxc5 Qxc5 22. Rfd1 Qc3 23. Bg5 Rd7 24. Rac1 Re8 25. Bf6 Kb7 26. Kh1 Re6 27. Ng2 Rxf6 28. Qxf6 Ne2 29. Ne1 Nxc1 30. Rxc1 Qc5 31. Qf1 Qa3 32. Rd1 Nc6 33. Qf2 Qxa2 34. Nf3 a5 35. Rd2 a4 36. Kg2 Qb1 37. Ne1 Ne5 38. Qe2 a3 39. c3 a2 40. Rxa2 Nxd3 41. Nf3 Nc5 42. Rc2 Rd1 43. e5 Nd3 44. Rd2 Rxd2 45. Qxd2 Qb5 46. Qc2 Nxe5 47. Qe4+ Nc6 48. c4 Qb2+ 49. Kf1 f5 50. Qd5 Qb1+ 51. Kf2 Qc2+ 52. Ke1 Qg2 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.12"]
[Round "8"]
[White "Sanchez, Luis Augusto"]
[Black "Chiaramonti, Jacques"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "101"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "France"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "FRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 d6 7. c3 Be7 8. 0-0 0-0 9. d4 Bb7 10. Rd1 Nd7 11. Nbd2 Bf6 12. Nf1 Ne7 13. Ng3 c5 14. Nh5 Qc7 15. d5 Ng6 16. Nxf6+ Nxf6 17. Bg5 Bc8 18. a4 Bd7 19. Bxf6 gxf6 20. Ne1 Nf4 21. Qf3 c4 22. Bc2 Kh8 23. axb5 Rg8 24. Qe3 axb5 25. g3 Bg4 26. f3 Nh3+ 27. Kf1 Rxa1 28. Rxa1 Bd7 29. Qa7 Qd8 30. Qb7 h5 31. Ra7 Be8 32. Ra8 Qd7 33. Qxd7 Bxd7 34. Ra6 Rb8 35. Rxd6 Be8 36. Rxf6 Kg7 37. Ra6 b4 38. Kg2 Ng5 39. h4 Nh7 40. Ba4 bxc3 41. bxc3 Rb2+ 42. Kf1 Nf6 43. Bxe8 Nxe8 44. Rc6 Kf8 45. Rxc4 Nd6 46. Rc6 Ke7 47. Nd3 Rb1+ 48. Ke2 f5 49. Nxe5 fxe4 50. fxe4 Rg1 51. Ng6+ 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.11"]
[Round "7"]
[White "Filipowicz, Andrzej"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C73"]
[PlyCount "56"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 Bg4 7. dxe5 dxe5 8. Qxd8+ Rxd8 9. Be3 Bd6 10. Nbd2 Nf6 11. h3 Bh5 12. Nh4 Rb8 13. Rb1 Bg6 14. Nxg6 hxg6 15. 0-0 0-0 16. Rfd1 Rfe8 17. f3 Re6 18. Nb3 Nd7 19. c4 c5 20. Rd3 Nb6 21. Nd2 Be7 22. Ra3 Ra8 23. Rc1 Rc6 24. Nb3 Nd7 25. Ra5 Rb8 26. Rd1 Bd6 27. Rd2 Rb4 28. Rc2 Rb8 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.10"]
[Round "6"]
[White "Sanchez, Luis Augusto"]
[Black "Lahti, Aki"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "73"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Finland"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nc3 Nc6 3. g3 Rb8 4. Bg2 b5 5. Nge2 e6 6. 0-0 Be7 7. d4 b4 8. Na4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Qa5 11. Bf4 Rb5 12. c4 e5 13. Qd1 Rb8 14. Be3 Nf6 15. b3 Bb7 16. Re1 Bc6 17. Nb2 Bxe4 18. Bxe4 Nxe4 19. Qg4 Nf6 20. Qxg7 Rg8 21. Qh6 Rg6 22. Qh3 d6 23. Nd3 Qa6 24. Bd2 Qb7 25. Qf5 a5 26. a3 Qd7 27. Qxd7+ Nxd7 28. axb4 axb4 29. Nxb4 Nc5 30. Nd5 Rxb3 31. Bb4 Ne6 32. Ra7 Bf8 33. Ra8+ Kd7 34. Rea1 Nf4 35. Rxf8 Nxd5 36. cxd5 Ke7 37. Rb8 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.08"]
[Round "5"]
[White "Baumgartner, Walter"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "E04"]
[PlyCount "32"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nbd7 6. Nbd2 Nb6 7. Nxc4 Nxc4 8. Qa4+ Bd7 9. Qxc4 Bc6 10. 0-0 Be7 11. b3 0-0 12. Bb2 Bd5 13. Qc2 Be4 14. Qc4 Bd5 15. Qc2 Be4 16. Qc4 Bd5 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.07"]
[Round "4"]
[White "Sanchez, Luis Augusto"]
[Black "Hutagalung, T."]
[Result "1-0"]
[ECO "B21"]
[PlyCount "69"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Indonesia"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "INA"]

1. e4 c5 2. f4 g6 3. g3 Bg7 4. Bg2 b5 5. e5 Nc6 6. Ne2 Rb8 7. d4 Nxd4 8. Nxd4 cxd4 9. Qxd4 Bb7 10. 0-0 Nh6 11. Qxa7 Bxg2 12. Kxg2 0-0 13. Rd1 Qc8 14. Qxd7 Qxc2+ 15. Kg1 Rbd8 16. Qxd8 Rxd8 17. Rxd8+ Bf8 18. Nc3 b4 19. Rd2 Qf5 20. Nd5 Qh3 21. b3 Ng4 22. Bb2 e6 23. Nf6+ Kg7 24. Bd4 h5 25. Ne4 Be7 26. Rc1 h4 27. Rc7 hxg3 28. hxg3 Kf8 29. Rc8+ Kg7 30. Re8 Bf8 31. Bb6 Kg8 32. Bc5 g5 33. Rxf8+ Kg7 34. Rxf7+ Kg6 35. f5+ 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.06"]
[Round "3"]
[White "Sanchez, Luis Augusto"]
[Black "Winiwarter, Felix"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "71"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Austria"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "AUT"]

1. e4 e6 2. Qe2 c5 3. f4 Nc6 4. Nf3 Be7 5. g3 Nf6 6. Bg2 0-0 7. 0-0 b6 8. d3 Bb7 9. Nbd2 d5 10. e5 Ne8 11. c3 Nc7 12. Re1 Qd7 13. Nf1 f6 14. exf6 Bxf6 15. g4 g6 16. g5 Bh8 17. Bh3 Rae8 18. Ne3 Rxf4 19. Ng4 Rxg4+ 20. Bxg4 Qe7 21. Bf4 e5 22. Bg3 e4 23. dxe4 Ba6 24. Qd2 d4 25. Rad1 Ne6 26. e5 Bg7 27. h4 Bf8 28. Qf2 Rd8 29. Nd2 Bd3 30. Qf6 Re8 31. Qf3 dxc3 32. bxc3 Bb5 33. Ne4 Rd8 34. Rd6 Ng7 35. Nf6+ Kh8 36. Qd5 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.05"]
[Round "2"]
[White "Smiltiner, Shlomo"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "58"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. b3 g6 3. c4 Bg7 4. Bb2 0-0 5. e3 c5 6. Be2 e6 7. 0-0 Nc6 8. d4 d6 9. Nc3 cxd4 10. Nxd4 Nxd4 11. Qxd4 d5 12. Na4 dxc4 13. Qxc4 Bd7 14. Qh4 Nd5 15. Qxd8 Rfxd8 16. Bxg7 Kxg7 17. Nc5 b6 18. Nxd7 Rxd7 19. Rfc1 Rad8 20. a3 f5 21. Kf1 Kf6 22. Ke1 g5 23. Rc6 Ne7 24. Rc2 Ng6 25. Rd1 Rxd1+ 26. Bxd1 Ne5 27. Rd2 Nd3+ 28. Ke2 Nc1+ 29. Ke1 Nd3+ 1/2-1/2

[Event "Olympiad-17 Preliminaries G"]
[Site "Havana"]
[Date "1966.10.30"]
[Round "5"]
[White "Sanchez, Luis Augusto"]
[Black "Kaplan, Julio P"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "32"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "PUR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d4 exd4 7. e5 Ne4 8. Nxd4 Nxd4 9. Qxd4 Nc5 10. Bb3 Nxb3 11. axb3 0-0 12. Bf4 d6 13. exd6 Bxd6 14. Bxd6 Qxd6 15. Qxd6 cxd6 16. c4 Rd8 1/2-1/2

[Event "Olympiad-17 Preliminaries G"]
[Site "Havana"]
[Date "1966.10.28"]
[Round "3"]
[White "Sanchez, Luis Augusto"]
[Black "Rantanen, Matti"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "99"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Finland"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. f4 e6 3. Qe2 Nc6 4. Nf3 Nf6 5. g3 d6 6. Bg2 Be7 7. d3 Qc7 8. 0-0 0-0 9. h3 Bd7 10. Be3 Rab8 11. Nbd2 b5 12. g4 Ne8 13. c3 b4 14. c4 f6 15. d4 cxd4 16. Nxd4 Nxd4 17. Bxd4 e5 18. Be3 exf4 19. Bxf4 Rc8 20. Rfc1 a5 21. Nf1 Be6 22. Ne3 Qa7 23. Kh2 Bd8 24. Nf5 Qa6 25. b3 g6 26. Nd4 Bd7 27. Nb5 Rc5 28. Bf1 Be7 29. Qd2 h5 30. Be3 Re5 31. Bd4 Rg5 32. Be3 Re5 33. Bf4 Rc5 34. Be2 hxg4 35. hxg4 g5 36. Bg3 Kg7 37. Nd4 Rh8+ 38. Kg2 Qa8 39. Bf3 Qc8 40. Nf5+ Bxf5 41. exf5 d5 42. Qe3 Qd7 43. Re1 Bd6 44. Bxd6 Qxd6 45. Qe7+ Qxe7 46. Rxe7+ Kf8 47. Rae1 Nc7 48. cxd5 Rc2+ 49. Kg3 Rc3 50. d6 1-0

[Event "Olympiad-17 Preliminaries G"]
[Site "Havana"]
[Date "1966.10.27"]
[Round "2"]
[White "Padevsky, Nikola Bochev"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "C73"]
[PlyCount "115"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 Bg4 7. dxe5 dxe5 8. Qxd8+ Rxd8 9. Nbd2 Bd6 10. Nc4 f6 11. Be3 Be6 12. Nfd2 Rb8 13. 0-0-0 Ne7 14. a3 c5 15. Na5 Kf7 16. Ndc4 Nc8 17. Rd3 Rb5 18. Re1 Re8 19. Rc3 Bf8 20. f3 Nd6 21. b3 Nxc4 22. Nxc4 Rbb8 23. Kb2 Rec8 24. Na5 c4 25. Nxc4 Be7 26. Ka2 c5 27. Kb2 Rc6 28. Re2 g5 29. Bf2 h5 30. g3 Kg6 31. Be3 Ra8 32. Ka2 a5 33. a4 Kf7 34. Re1 Rb8 35. Bc1 Ra6 36. Ba3 Rh8 37. Ne3 Rc8 38. Kb2 Bf8 39. Nd5 Bd6 40. Rce3 Bf8 41. c4 Ra7 42. Kc2 Rb7 43. Bc1 Rc6 44. Bd2 Ra7 45. Bc3 Raa6 46. f4 gxf4 47. gxf4 Bg4 48. Rd3 exf4 49. h3 Bc8 50. Nxf4 h4 51. Ng2 Rd6 52. Rf3 Bb7 53. Nxh4 Re6 54. Rfe3 Bh6 55. R3e2 Bf4 56. Nf5 Re8 57. Kb2 Rae6 58. Rf2 1-0

[Event "Olympiad-17 Preliminaries G"]
[Site "Havana"]
[Date "1966.10.26"]
[Round "1"]
[White "Sanchez, Luis Augusto"]
[Black "Benabud, Dris"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "91"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Morocco"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "MAR"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 Ne7 8. Nf3 h6 9. Bd3 Bxd3 10. Qxd3 dxc4 11. Qxc4 Nd7 12. 0-0 Nb6 13. Qb4 0-0 14. c4 Qc7 15. Rb1 Rab8 16. a4 Nbc8 17. Ba3 Ng6 18. Rb3 Rd8 19. Rfb1 Nce7 20. Qd2 Nc8 21. Qe1 Nge7 22. Qe4 Qd7 23. g4 Ng6 24. h4 Nge7 25. Kh2 Kh8 26. h5 b6 27. Qf4 Ng8 28. a5 Qc7 29. g5 f5 30. gxf6 Nxf6 31. Bd6 Nxd6 32. exf6 Qf7 33. fxg7+ Kxg7 34. Qxf7+ Nxf7 35. axb6 axb6 36. Rxb6 Rxb6 37. Rxb6 Rc8 38. Ne5 Nd8 39. Kg3 c5 40. dxc5 Rxc5 41. f4 Rc7 42. Rd6 Rc8 43. Rd7+ Kf6 44. Kg4 Ra8 45. Rh7 Ra1 46. Nd7# 1-0

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.22"]
[Round "9"]
[White "Blanco, Rafael"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "B68"]
[PlyCount "66"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. Nb3 Qc7 10. Be2 Be7 11. f4 0-0-0 12. Qe3 Kb8 13. Kb1 Rhe8 14. g4 h6 15. Bh4 Nxg4 16. Bxg4 Bxh4 17. Rhf1 Bf6 18. h3 Bc8 19. a3 b5 20. Be2 Bb7 21. Bxb5 Bxc3 22. Bxc6 Qxc6 23. bxc3 Qxe4 24. Qxe4 Bxe4 25. Rd4 Bd5 26. Rfd1 Kc7 27. Rb4 Rb8 28. Kb2 Bxb3 29. Kxb3 f5 30. Kc4 g5 31. fxg5 hxg5 32. Kd4 Rh8 33. Rg1 Rh4+ 0-1

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.21"]
[Round "8"]
[White "Sanchez, Luis Augusto"]
[Black "Gutierrez, Jairo"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "82"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. Ne2 Nc6 5. c4 e5 6. Nbc3 Nge7 7. d3 d6 8. 0-0 0-0 9. a3 Bg4 10. h3 Bxe2 11. Nxe2 f5 12. Rb1 a5 13. Bd2 Qc7 14. Qc1 fxe4 15. dxe4 Rf7 16. h4 h5 17. Bg5 Kh7 18. Qd2 Re8 19. Rbd1 Nd4 20. Nxd4 exd4 21. f4 Nc6 22. Qd3 Rff8 23. Rde1 Bf6 24. Bxf6 Rxf6 25. Bf3 Kh8 26. Bd1 Qe7 27. Re2 Ref8 28. Rfe1 Qf7 29. Rg2 Qe6 30. Ba4 Qh3 31. Qb3 R6f7 32. Qb6 Ne5 33. Qb3 Ng4 34. Qd1 Ne3 35. Rxe3 dxe3 36. Qxd6 Qg4 37. Bd1 Qd7 38. Qe5+ Kh7 39. Be2 Qd4 40. Qxd4 cxd4 41. Bd3 Rf6 0-1

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.19"]
[Round "7"]
[White "Minaya Molano, Juan M"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "B45"]
[PlyCount "30"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bg5 Be7 9. 0-0-0+ Bd7 10. f3 Nd5 11. Bxe7+ Nxe7 12. Be2 Kc7 13. Rd2 Rhd8 14. Rhd1 e5 15. Bc4 Be8 1/2-1/2

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.18"]
[Round "6"]
[White "Sanchez, Luis Augusto"]
[Black "Rincon, Hernan"]
[Result "1-0"]
[ECO "E72"]
[PlyCount "97"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. d4 Nf6 5. Ne2 0-0 6. 0-0 e5 7. d5 Nbd7 8. c4 a6 9. Nbc3 Rb8 10. a4 Kh8 11. h3 Ng8 12. Be3 f5 13. Qc2 Ndf6 14. f3 Bd7 15. g4 f4 16. Bf2 Rf7 17. c5 Bf8 18. Nc1 h5 19. g5 Nh7 20. h4 Qc8 21. Kh2 Be7 22. Nd3 Qf8 23. b4 Qg7 24. b5 Bc8 25. bxa6 bxa6 26. Rab1 Ra8 27. a5 Nf8 28. Na4 Nd7 29. c6 Nf8 30. Rb3 Nh7 31. Rfb1 Bd8 32. Rb8 Rxb8 33. Rxb8 Ne7 34. Bh3 Rf8 35. Bxc8 Nxd5 36. exd5 Bxg5 37. hxg5 Nxg5 38. Ne1 Qg8 39. Bh4 Nf7 40. Be7 Re8 41. Bf6+ Kh7 42. Nc3 Kh6 43. Ne4 g5 44. Be6 Rxb8 45. Nxg5 Rf8 46. Bxf7 Rxf7 47. Nxf7+ Qxf7 48. Qf5 Qg8 49. Bh4 1-0

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.16"]
[Round "4"]
[White "Jaramillo, Gonzalo"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "108"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. Bd3 b5 8. Qe2 Bb7 9. 0-0 Nf6 10. Nxc6 Qxc6 11. a3 b4 12. axb4 Bxb4 13. f3 Bxc3 14. bxc3 Qxc3 15. Qf2 0-0 16. Bd4 Qc7 17. Bxf6 gxf6 18. f4 Kh8 19. Qh4 Qd8 20. Rab1 Bc6 21. Rf3 Rg8 22. Rh3 Rg7 23. g4 d5 24. e5 fxe5 25. fxe5 Qxh4 26. Rxh4 a5 27. Kf2 a4 28. Ke3 a3 29. Ra1 Ra4 30. h3 d4+ 31. Kd2 a2 32. c3 dxc3+ 33. Kxc3 Ra3+ 34. Kd2 Bd5 35. Rc1 Ra8 36. Ra1 Kg8 37. Rh5 Rb8 38. Bc2 Rg6 39. Bd3 Kg7 40. Bc2 h6 41. Kc3 Rg5 42. Rxg5+ hxg5 43. Bd3 Rb3+ 44. Kd4 Rb2 45. Kc3 Rh2 46. Bc4 Rxh3+ 47. Kb4 Bxc4 48. Kxc4 Rh2 49. Kc5 Rd2 50. Kc4 Kg6 51. Kc3 Rg2 52. Kd3 Rg3+ 53. Ke4 Rxg4+ 54. Kf3 Ra4 0-1

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.15"]
[Round "3"]
[White "Sanchez, Luis Augusto"]
[Black "Cuartas, Carlos Enrique"]
[Result "1-0"]
[ECO "D78"]
[PlyCount "102"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 g6 4. c4 c6 5. 0-0 Bg7 6. d4 0-0 7. Nc3 dxc4 8. a4 Qa5 9. Ne5 Be6 10. Bd2 Qb6 11. e3 a5 12. Qe2 Qa6 13. Rfc1 Nbd7 14. f4 Nxe5 15. fxe5 Nd5 16. Ne4 Bh6 17. Nc5 Qb6 18. Rab1 Nc7 19. Nxe6 Nxe6 20. Rxc4 Rfd8 21. Kh1 Qb3 22. Be4 Rd7 23. Bc2 Qb6 24. b4 axb4 25. Rcxb4 Qa7 26. Be4 Rad8 27. Rc4 Qa6 28. Bd3 Qa7 29. Bb4 c5 30. Bxc5 Nxc5 31. Rxc5 Qxc5 32. dxc5 Rxd3 33. Rf1 e6 34. Qf3 R8d7 35. c6 bxc6 36. Qxc6 Bxe3 37. a5 Rd1 38. Rxd1 Rxd1+ 39. Kg2 Bd4 40. Qd6 Rd2+ 41. Kf3 Kg7 42. g4 Rf2+ 43. Ke4 Ra2 44. Qxd4 Rxa5 45. h4 Ra2 46. Kf4 h6 47. Kg3 Ra3+ 48. Kg2 Ra2+ 49. Kg1 Ra8 50. h5 gxh5 51. gxh5 Kh7 1-0

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.14"]
[Round "2"]
[White "Tejada, Humberto"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "B88"]
[PlyCount "82"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. 0-0 a6 8. Bb3 Qc7 9. Be3 Be7 10. f4 Na5 11. Qf3 b5 12. e5 Bb7 13. Qg3 dxe5 14. fxe5 Nh5 15. Qf2 0-0 16. g4 Nc6 17. Nf3 Nxe5 18. Nxe5 Qxe5 19. gxh5 Qxh5 20. Ne2 Qg4+ 21. Ng3 Qh3 22. c3 h5 23. Bd1 h4 24. Nh5 e5 25. Bf3 Bxf3 26. Qxf3 Qxf3 27. Rxf3 f5 28. Rd1 g6 29. Rd5 e4 30. Rf1 gxh5 31. Rfxf5 Rxf5 32. Rxf5 Rd8 33. Bd4 Rd6 34. Rxh5 Rg6+ 35. Kf2 Bg5 36. Be3 Bf6 37. Rh6 Kf7 38. Rxg6 Kxg6 39. h3 Kf5 40. Ke2 Ke6 41. Kd2 Kd5 1/2-1/2

[Event "COL-ch14"]
[Site "Cucuta"]
[Date "1963.10.13"]
[Round "1"]
[White "Sanchez, Luis Augusto"]
[Black "Botero, Enrique"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "132"]
[EventDate "1963.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nge2 Bg7 6. 0-0 0-0 7. d3 a6 8. f4 d6 9. h3 Rb8 10. g4 Bd7 11. Ng3 b5 12. Nce2 Ne8 13. a3 Nd4 14. c3 Nxe2+ 15. Nxe2 Bc6 16. d4 cxd4 17. cxd4 Rc8 18. Be3 Nf6 19. Nc3 Qd7 20. Qb3 Qb7 21. d5 Bd7 22. e5 Ne8 23. Rad1 Qc7 24. e6 fxe6 25. dxe6 Bc6 26. Bxc6 Qxc6 27. Nd5 Qb7 28. Nb6 Rc7 29. Nd7 Qe4 30. Nxf8 Rc2 31. Rf2 Rxf2 32. Bxf2 Kxf8 33. Rd3 Nc7 34. Re3 Qb1+ 35. Kg2 Qxb2 36. Qxb2 Bxb2 37. Rb3 Ba1 38. f5 Kg7 39. Bh4 Nd5 40. Kf3 gxf5 41. gxf5 Bf6 42. Ke4 Nb6 43. Rg3+ Kf8 44. Bxf6 exf6 45. Kd4 Nc8 46. Rc3 Ne7 47. Ke4 d5+ 48. Kd4 a5 49. Rf3 b4 50. axb4 axb4 51. Kc5 b3 52. Rxb3 Nxf5 53. Kxd5 Ne7+ 54. Kd6 Nf5+ 55. Kd7 Kg7 56. e7 Nxe7 57. Kxe7 Kg6 58. Rg3+ Kh5 59. Kxf6 Kh4 60. Rg7 h6 61. Rh7 Kh5 62. Kf5 Kh4 63. Rxh6+ Kg3 64. h4 Kf3 65. h5 Kf2 66. Re6 Kf3 1-0

[Event "Santiago de Chile International"]
[Site "Santiago de Chile"]
[Date "1959.05.06"]
[Round "13"]
[White "Sanchez, Luis Augusto"]
[Black "Jauregui Andrade, Carlos"]
[Result "1-0"]
[ECO "C75"]
[PlyCount "87"]
[EventDate "1959.04.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 7. 0-0 g6 8. Bb3 Bg7 9. a3 0-0 10. h3 Qe8 11. Be3 Na5 12. Ba2 Bb5 13. Re1 Nc4 14. Bc1 Nb6 15. Nbd2 c5 16. c4 Ba4 17. b3 Bd7 18. d5 f5 19. b4 Na4 20. Qc2 h6 21. Bb3 Rc8 22. Rb1 g5 23. exf5 Bxf5 24. Ne4 Nb6 25. bxc5 Rxc5 26. Be3 Nd7 27. Bxc5 Nxc5 28. Nfd2 Bh7 29. Qc3 Nf5 30. Bc2 Qf7 31. Qf3 Qc7 32. Nxc5 Qxc5 33. Rxb7 e4 34. Bxe4 Bg6 35. Qd3 Nh4 36. Rxg7+ Kxg7 37. Qe3 Qa5 38. Qd4+ Rf6 39. Bb1 Bf7 40. Re3 Ng6 41. Ne4 Qd8 42. Qxf6+ Qxf6 43. Nxf6 Kxf6 44. Bxg6 1-0

[Event "Santiago de Chile International"]
[Site "Santiago de Chile"]
[Date "1959.05.04"]
[Round "12"]
[White "Flores Alvarez, Rodrigo"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C75"]
[PlyCount "104"]
[EventDate "1959.04.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 7. 0-0 Ng6 8. Nbd2 Be7 9. Bb3 h6 10. Nc4 Bg5 11. Ne3 Bxe3 12. Bxe3 0-0 13. h3 Re8 14. Nh2 Qe7 15. dxe5 dxe5 16. Qh5 Na5 17. Bc2 Nc4 18. Bc1 Nf4 19. Qf3 Rad8 20. Bxf4 exf4 21. Qxf4 Bc6 22. Rad1 Nxb2 23. Rd4 Rxd4 24. cxd4 Na4 25. Ng4 Nc3 26. Re1 Qg5 27. Qxg5 hxg5 28. f3 Bb5 29. Kf2 Nxa2 30. Kg3 Nb4 31. Bb3 Nd3 32. Rd1 Kf8 33. Ne3 Rd8 34. d5 b6 35. Rd2 a5 36. Bc4 Bxc4 37. Nxc4 Nc5 38. d6 cxd6 39. Nxb6 f6 40. Kf2 Ke7 41. Ra2 Nb7 42. Ke2 Ke6 43. Kd3 Nc5+ 44. Kc3 Rb8 45. Nc4 a4 46. Rd2 Rb3+ 47. Kc2 Nb7 48. Rd1 Rb4 49. Kc3 Rb5 50. Ra1 Nc5 51. Rd1 a3 52. Rxd6+ Ke7 1/2-1/2

[Event "Santiago de Chile International"]
[Site "Santiago de Chile"]
[Date "1959.05.03"]
[Round "11"]
[White "Sanchez, Luis Augusto"]
[Black "Salas Romo, Julio"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "61"]
[EventDate "1959.04.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CHI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. c3 Ba6 6. Qc2 Be7 7. e5 Nfd7 8. b4 c5 9. bxc5 Nxc5 10. d4 Bxf1 11. Nxf1 Nb7 12. Ne3 Na5 13. 0-0 Nd7 14. Nd2 Rc8 15. f4 g6 16. Qd3 Qc7 17. Bb2 Qc6 18. a4 Rc7 19. Rfc1 Qb7 20. c4 Qa6 21. Ba3 Bxa3 22. Qxa3 dxc4 23. Ne4 Nb7 24. d5 b5 25. axb5 Qxa3 26. Rxa3 exd5 27. Nxd5 Rc8 28. Rxa7 Ndc5 29. Rxc4 Kd8 30. Nxc5 Nxc5 31. Nf6 1-0

