[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.22"]
[Round "9"]
[White "Gonzalez, Sergio"]
[Black "Garcia Alarcon, Alvaro"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2307"]
[BlackElo "2191"]
[PlyCount "28"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nc3 Nf6 6. Nf3 Be7 7. Bd3 dxc4 8. Bxc4 0-0 9. h3 Bf5 10. 0-0 Nbd7 11. Re1 Nb6 12. Bb3 h6 13. Ne5 Nbd5 14. Nxd5 Nxd5 1/2-1/2

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.22"]
[Round "8"]
[White "Gonzalez, Sergio"]
[Black "Narvaez Ramirez, Faber Alberto"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2307"]
[PlyCount "73"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 d6 8. c3 0-0 9. d4 cxd4 10. cxd4 d5 11. e5 a6 12. Nc3 b5 13. Bf4 Qb6 14. Qd2 Re8 15. h4 Bd7 16. g4 Na5 17. b3 Rec8 18. Bh6 Rc7 19. Rac1 Rac8 20. Bxg7 Kxg7 21. Ne2 h6 22. Rxc7 Rxc7 23. Rc1 Rxc1+ 24. Qxc1 Nac6 25. Qd2 Qa5 26. Qxa5 Nxa5 27. Nd2 Nac6 28. Bf1 h5 29. gxh5 gxh5 30. Nf4 Kh6 31. Bd3 Be8 32. Kf1 Ng8 33. Ke2 Nb4 34. Bb1 a5 35. a3 Nc6 36. Ke3 Kg7 37. Nd3 1-0

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.21"]
[Round "6"]
[White "Guerrero Sierra, Juan Carlos"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2073"]
[BlackElo "2307"]
[PlyCount "105"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Na6 7. 0-0 e5 8. Be3 c6 9. d5 c5 10. Nd2 h6 11. f4 exf4 12. Bxf4 Qe7 13. Nb5 Ne8 14. Qe1 Nb4 15. Qg3 Nc2 16. Rab1 Nd4 17. Nxd4 Bxd4+ 18. Kh1 Kh7 19. Nf3 Bg7 20. Bd3 f5 21. Rbe1 Qf6 22. e5 dxe5 23. Bxe5 Qf7 24. Qh4 Bf6 25. Bxf6 Qxf6 26. Re7+ Ng7 27. Qxf6 Rxf6 28. Rfe1 f4 29. Rc7 Kg8 30. Nh4 Bf5 31. Nxf5 Nxf5 32. Bxf5 Rxf5 33. Ree7 b6 34. Rg7+ Kf8 35. Rh7 Kg8 36. Rxa7 Re5 37. Rxa8+ Kxh7 38. Ra7+ Kg8 39. Kg1 Re2 40. b3 Kf8 41. Ra6 Kf7 42. a4 Kf6 43. Rxb6+ Kf5 44. Rc6 g5 45. Rxc5 Ke5 46. Rc8 Rd2 47. Re8+ Kf5 48. a5 g4 49. a6 Ra2 50. d6 g3 51. hxg3 Rxa6 52. d7 fxg3 53. Rf8+ 1-0

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.21"]
[Round "7"]
[White "Ossa, Orlando Jose"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2182"]
[BlackElo "2307"]
[PlyCount "55"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 a6 6. Bd3 Bg4 7. h3 Bh5 8. 0-0 e6 9. Ne4 Nxe4 10. Bxe4 c6 11. c3 Nd7 12. a4 Be7 13. Qb3 Rb8 14. Nd2 Qc7 15. f4 0-0 16. f5 exf5 17. Bxf5 c5 18. Ne4 cxd4 19. Bf4 Nc5 20. Qd5 Qd8 21. Bxh7+ Kxh7 22. Qxh5+ Kg8 23. Nxc5 dxc3 24. Bxb8 cxb2 25. Rae1 Qd4+ 26. Kh1 Bxc5 27. Be5 Qb4 28. Bxb2 1-0

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.20"]
[Round "5"]
[White "Gonzalez, Sergio"]
[Black "Paez, David"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2307"]
[PlyCount "27"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 Nbd7 8. Qd3 b6 9. Bf4 Bb7 10. 0-0-0 Nxe4 11. Nxe4 Nf6 12. Nxf6+ Bxf6 13. h4 Qd7 14. Qb3 1/2-1/2

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.20"]
[Round "4"]
[White "Gonzalez, Sergio"]
[Black "Ramirez, Carlos"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2307"]
[BlackElo "2273"]
[PlyCount "83"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. Nf3 d6 6. 0-0 c5 7. d4 Nc6 8. h3 Bd7 9. Be3 cxd4 10. Nxd4 Nxd4 11. Bxd4 Bc6 12. e4 a6 13. Rc1 Re8 14. Qe2 a5 15. Rfd1 Nd7 16. Bxg7 Kxg7 17. Kh2 a4 18. f4 Qa5 19. Nd5 Rac8 20. b4 axb3 21. Qb2+ Kg8 22. axb3 Bxd5 23. Rxd5 Qc7 24. e5 dxe5 25. fxe5 e6 26. Rb5 b6 27. Qd4 Red8 28. Qd6 Qxd6 29. exd6 Rc5 30. b4 Rxb5 31. cxb5 Ne5 32. Rc6 Rb8 33. g4 g5 34. Be4 h6 35. Kg3 Kg7 36. Kf2 Kf6 37. Ke3 Ra8 38. Rxb6 Ra4 39. Ra6 Rxb4 40. Bc6 Rb1 41. Ra4 Re1+ 42. Kd2 1-0

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.19"]
[Round "2"]
[White "Gonzalez, Sergio"]
[Black "Alvarez, Javier"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2307"]
[BlackElo "2071"]
[PlyCount "71"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Ndb5 a6 8. Be3 Qa5 9. Nd4 e6 10. 0-0 Be7 11. f4 0-0 12. Bb3 Bd7 13. Kh1 Rac8 14. Qf3 Rfd8 15. Qg3 Kh8 16. Rae1 Qh5 17. Nf3 b5 18. e5 dxe5 19. fxe5 Ng4 20. Bb6 Rf8 21. h3 Nh6 22. Qh2 Nb4 23. a3 Nd5 24. Bxd5 exd5 25. Nxd5 Bc5 26. Re2 Qg6 27. e6 fxe6 28. Bxc5 Rxc5 29. Qd6 Rcc8 30. Ne7 Qf7 31. Nxc8 Bxc8 32. Kh2 Nf5 33. Qe5 Bb7 34. Ng5 Qg6 35. Nxe6 Rf6 36. Qb8+ 1-0

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.19"]
[Round "3"]
[White "Ruiz Aguilar, Pablo Alexander"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2244"]
[BlackElo "2307"]
[PlyCount "64"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Bd3 Be6 11. Qh5+ Bf7 12. Qh3 Nf6 13. Be3 d5 14. cxd5 Nb4 15. Be2 Nbxd5 16. Nxd5 Qa5+ 17. Kf1 Nxd5 18. Nc4 Qc7 19. Rc1 Nf4 20. Qf5 Nxe2 21. Nxe5 Qxc1+ 22. Bxc1 0-0 23. Nxf7 Nxc1 24. Qb1 Rac8 25. Ne5 Bf6 26. Nd7 Rfd8 27. Nxf6+ gxf6 28. g3 Rd2 29. Kg2 Nd3 30. Rd1 Rxf2+ 31. Kg1 Rcc2 32. Rxd3 Rg2+ 1/2-1/2

[Event "Bogota Sub zt 2.3.4"]
[Site "Bogota"]
[Date "2006.12.18"]
[Round "1"]
[White "Aponte Castillo, Jose Ernesto"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2115"]
[BlackElo "2307"]
[PlyCount "53"]
[EventDate "2006.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 d6 2. c4 e5 3. Nf3 g6 4. d4 Nd7 5. Nc3 Bg7 6. Bg5 Ne7 7. Be2 h6 8. Be3 0-0 9. Qd2 Kh7 10. g4 exd4 11. Nxd4 Ne5 12. g5 hxg5 13. Bxg5 f6 14. Be3 a6 15. f4 c5 16. Nc2 Ng4 17. Bg1 f5 18. 0-0-0 Bh6 19. h3 Ne5 20. Be3 Nf7 21. h4 Nc6 22. Rdg1 Rg8 23. Bd3 b5 24. h5 gxh5 25. exf5 Rxg1+ 26. Rxg1 Qh4 27. Qg2 1-0

[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.12.22"]
[Round "7"]
[White "Cuartas, Jaime Alexander"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2435"]
[BlackElo "2292"]
[PlyCount "101"]
[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. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Bxc6 bxc6 6. h3 d6 7. c3 Nf6 8. Re1 0-0 9. d4 cxd4 10. cxd4 Rb8 11. Nc3 Qa5 12. Rb1 Be6 13. Bd2 Qa6 14. b3 Rfd8 15. Rc1 c5 16. d5 Bc8 17. Bg5 h6 18. Be3 e6 19. Nd2 exd5 20. exd5 Bf5 21. Nc4 Re8 22. Bf4 Rxe1+ 23. Qxe1 Re8 24. Qf1 Bf8 25. Re1 Bd3 26. Qxd3 Rxe1+ 27. Kh2 Re8 28. g4 Rd8 29. Qf3 Bg7 30. Bxh6 Nxg4+ 31. hxg4 Bxh6 32. Ne4 Bg7 33. Ng5 Qb7 34. Kg2 Qe7 35. Ne4 Bd4 36. g5 Kg7 37. Qf4 Rh8 38. Nexd6 Rh5 39. Kf1 Rxg5 40. Ne8+ Kf8 41. d6 Qd8 42. d7 Rf5 43. Qd6+ Kg8 44. Nc7 Rxf2+ 45. Ke1 Rf6 46. Qd5 Qe7+ 47. Ne5 Rd6 48. Qa8+ Kh7 49. Qh1+ Kg8 50. Qa8+ Qf8 51. Qe4 1/2-1/2

[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.12.21"]
[Round "5"]
[White "Rengifo, Jose Ignacio"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2171"]
[BlackElo "2292"]
[PlyCount "52"]
[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. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. N1c3 a6 7. Na3 b5 8. Nxd5 Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Be2 0-0 12. 0-0 Bg5 13. c4 b4 14. Nc2 Rb8 15. b3 g6 16. Nde3 Bb7 17. Qd3 Nd4 18. Nxd4 exd4 19. Nc2 Re8 20. Bf3 Bf6 21. Rad1 Qa5 22. Rd2 Qxa2 23. Nxd4 Qa5 24. g3 Qe5 25. Re1 a5 26. Nb5 Bd5 0-1

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.20"]
[Round "11"]
[White "Rodriguez, Wilmer Alberto"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2093"]
[BlackElo "2274"]
[PlyCount "75"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 a5 10. Bb5 0-0 11. 0-0 d5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Qxd5 Bxd5 15. Rfd1 Be6 16. Nc5 Bf5 17. c3 Na7 18. Bd7 Bg6 19. Nxb7 Rfb8 20. Nxa5 Rxb2 21. Kh1 Bf8 22. Nc4 Re2 23. a4 f6 24. Be6+ Kh8 25. Bd5 Rxe3 26. Bxa8 Rxc3 27. Rd8 Kg8 28. Nb6 Rd3 29. Bd5+ Rxd5 30. Nxd5 Bc2 31. Ra8 Nc6 32. Rc1 Nd4 33. Ne3 Bb3 34. a5 Ne6 35. a6 Kf7 36. a7 Bc5 37. Rxc5 Nxc5 38. Rc8 1-0

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.19"]
[Round "10"]
[White "Gonzalez, Sergio"]
[Black "Piedrahita Marin, Guillermo"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2274"]
[PlyCount "51"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d5 6. exd5 Qxd5 7. 0-0 Nc6 8. Nxc6 Qxc6 9. Nc3 Nf6 10. a4 Bd7 11. Bg5 Be7 12. Qe2 0-0 13. Rfd1 Rfd8 14. Ne4 e5 15. Qf3 Kh8 16. Re1 Rab8 17. Qg3 Qe6 18. Nxf6 Bxf6 19. Qh4 h6 20. Qe4 Kg8 21. Qh7+ Kf8 22. Bd2 Qg4 23. Re4 Bf5 24. Bb4+ Ke8 25. Qg8+ Kd7 26. Qxf7+ 1-0

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.18"]
[Round "9"]
[White "Sarat, Victor"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2157"]
[BlackElo "2274"]
[PlyCount "71"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 c5 3. g3 Nc6 4. Nbd2 e6 5. Bg2 Bd6 6. e4 Nge7 7. 0-0 0-0 8. Re1 f6 9. c3 Qc7 10. Nf1 Rb8 11. Nh4 d4 12. f4 b5 13. Nf3 Qa5 14. e5 fxe5 15. fxe5 Bc7 16. cxd4 Nxd4 17. Nxd4 cxd4 18. Bd2 Qb6 19. Bb4 Rf7 20. Rc1 Nf5 21. Rc6 Qb7 22. Rxe6 Qxg2+ 23. Kxg2 Bxe6 24. Kg1 Bb6 25. b3 Rd8 26. Qg4 a5 27. Bd2 Re8 28. Qh5 Ref8 29. Bf4 Ne3 30. Nxe3 dxe3 31. Qe2 Rxf4 32. gxf4 Rxf4 33. a4 Rg4+ 34. Kf1 Rf4+ 35. Kg1 Rg4+ 36. Kf1 1/2-1/2

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.17"]
[Round "8"]
[White "Gonzalez, Sergio"]
[Black "Valderrama Espinosa, Gilberto"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "2274"]
[PlyCount "119"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. c4 Bg4 4. cxd5 Bxf3 5. gxf3 Qxd5 6. e3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. bxc3 Qd6 10. Rb1 Rb8 11. Qa4 Nge7 12. Bd3 0-0 13. Bc1 Rfe8 14. Ba3 Qd5 15. Qc2 Ng6 16. Be4 Qa5 17. Qb3 Qa6 18. Bd5 Nd8 19. h4 exd4 20. cxd4 Nf4 21. Bc4 b5 22. Bd3 Qa5+ 23. Kf1 Nxd3 24. Qxd3 b4 25. Bb2 Qxa2 26. d5 Rb6 27. Rg1 f6 28. Kg2 Rd6 29. e4 c6 30. Kh2 cxd5 31. Qb5 Rf8 32. Qxb4 Qa6 33. Ra1 Qb6 34. Qxb6 Rxb6 35. Bd4 Rb7 36. exd5 Rff7 37. Ra6 Kf8 38. Re1 Rfd7 39. Ra5 Kf7 40. Kg3 h5 41. Rea1 a6 42. Kf4 Rb4 43. Ke3 Nb7 44. R5a4 Rb5 45. Rxa6 Rbxd5 46. R1a4 Nd6 47. Ke2 Nf5 48. Be3 Kg6 49. Ra7 Rxa7 50. Bxa7 Rb5 51. Be3 Rb1 52. Re4 Rh1 53. Bf4 Nxh4 54. Be3 Nf5 55. f4 h4 56. Re8 h3 57. Rh8 Nh6 58. Kf3 Rg1 59. f5+ Kh5 60. Bf4 0-1

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.16"]
[Round "7"]
[White "Abreu Delgado, Aryam"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2488"]
[BlackElo "2274"]
[PlyCount "91"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[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. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 Bg4 12. h3 Bh5 13. Rb1 Nd7 14. Rb5 Nb6 15. c4 Bxf3 16. Qxf3 dxc4 17. Bc2 Qd7 18. a4 g6 19. h4 Rfe8 20. h5 Qe7 21. a5 Qe2 22. Qxe2 Rxe2 23. Bd1 Re6 24. axb6 axb6 25. Bg4 Re4 26. Bf3 Rxd4 27. Be3 Rd3 28. Rxb6 Be5 29. Rxb7 Rc8 30. Bg4 f5 31. Be2 Rd6 32. Rb5 Bf6 33. Rd1 Rxd1+ 34. Bxd1 c3 35. Bc2 Ra8 36. h6 Kf8 37. Rb7 Be7 38. Bd4 Ra1+ 39. Kh2 Bd6+ 40. g3 Ra2 41. Bb3 c2 42. Bg7+ Ke8 43. Bf6 Bxg3+ 44. Kg2 Be5 45. Bf7+ Kf8 46. Bxe5 1-0

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.15"]
[Round "6"]
[White "Gonzalez, Sergio"]
[Black "Araque, Rafael"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2274"]
[BlackElo "2388"]
[PlyCount "75"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be3 b5 7. Qd2 Bb7 8. 0-0-0 e6 9. Kb1 Nbd7 10. Bf4 Qb6 11. Ne5 Rd8 12. Bd3 c5 13. dxc5 Bxc5 14. Qe2 Bd4 15. Nxd7 Rxd7 16. Ne4 Bxe4 17. Bxe4 Bxf2 18. Rxd7 Nxd7 19. Rd1 Bc5 20. Qg4 g6 21. Qf3 e5 22. Bg5 Be7 23. Bh6 Bf8 24. Bxf8 Nxf8 25. Bc6+ Ke7 26. Qd5 Qc7 27. Qf3 b4 28. g4 f6 29. g5 f5 30. Ba4 h6 31. Qa8 hxg5 32. a3 bxa3 33. Rd3 axb2 34. Rb3 Qc5 35. Qe8+ Kf6 36. Rb7 Qg1+ 37. Kxb2 Nd7 38. Qxh8+ 1-0

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.14"]
[Round "5"]
[White "Garcia, Gildardo"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2490"]
[BlackElo "2274"]
[PlyCount "116"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. c4 Nf6 9. Nc3 0-0 10. Re1 Be6 11. cxd5 Nxd5 12. a3 Bf6 13. Be3 h6 14. Qd2 Nce7 15. Bxh6 Nf5 16. Bxf5 Bxf5 17. Bg5 Bxg5 18. Nxg5 Bg6 19. Rac1 c6 20. h3 Nb6 21. Nf3 f6 22. Nh4 Bh7 23. Rcd1 Kh8 24. Qe2 Re8 25. Qh5 Qd7 26. Ne4 Qd5 27. Qxd5 Nxd5 28. Nd6 Rf8 29. Rd2 Rab8 30. g3 Kg8 31. Rde2 Rfd8 32. Re8+ Rxe8 33. Rxe8+ Rxe8 34. Nxe8 b6 35. Nd6 Kf8 36. Nhf5 Nc7 37. h4 Bxf5 38. Nxf5 g6 39. Ne3 Ke7 40. Kf1 Nb5 41. Nc2 a5 42. Ke2 Ke6 43. Kd3 Nd6 44. Ne3 f5 45. Nc4 Ne4 46. Ke3 b5 47. Nxa5 Kd5 48. Nb3 f4+ 49. Kxf4 Nxf2 50. Kg5 Ne4+ 51. Kxg6 Nxg3 52. h5 Nxh5 53. Kxh5 Kc4 54. Na5+ Kxd4 55. Nxc6+ Kc5 56. Na5 b4 57. Nb3+ Kb5 58. axb4 Kxb4 1-0

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.13"]
[Round "4"]
[White "Gonzalez, Sergio"]
[Black "Leyva, Hector"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2274"]
[BlackElo "2428"]
[PlyCount "117"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. h3 Bh5 7. d3 e6 8. 0-0 Be7 9. Re1 0-0 10. Nbd2 d5 11. Qe2 Rc8 12. Nf1 b5 13. g4 Bg6 14. Ng3 b4 15. Kg2 bxc3 16. bxc3 c4 17. d4 dxe4 18. Nxe4 Nd5 19. Bd2 Kh8 20. Ba4 f5 21. Ng3 fxg4 22. hxg4 Bd3 23. Qxe6 Rf6 24. Bxc6 Rxe6 25. Rxe6 Rxc6 26. Rxc6 h6 27. Re1 Bf6 28. Nf5 Qd7 29. Rd6 Qb7 30. Kg3 Qc7 31. Ne5 Bxf5 32. Rxd5 Be6 33. Bf4 Kh7 34. Rc5 Qb7 35. Nxc4 Qd7 36. Rc7 Qd5 37. a4 Bxg4 38. Kxg4 Qg2+ 39. Bg3 h5+ 40. Kf4 h4 41. Ne3 Qh3 42. Ng4 hxg3 43. fxg3 Kg6 44. Rxa7 Qg2 45. Ra6 Kf7 46. Ra7+ Kg6 47. Ra5 Kf7 48. Ne5+ Kg8 49. Nf3 Qh3 50. Rf5 Qh6+ 51. Ng5 Qh5 52. a5 Bxg5+ 53. Rxg5 Qf7+ 54. Rf5 Qc7+ 55. Rfe5 Qxc3 56. R5e4 Qd3 57. d5 Qd2+ 58. Kf5 Qxa5 59. Re8+ 1-0

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.12"]
[Round "3"]
[White "Lima, Darcy Gustavo Macha"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2543"]
[BlackElo "2274"]
[PlyCount "60"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 0-0 5. Be2 Bxc3 6. dxc3 Nxe4 7. 0-0 d6 8. Nd3 Bf5 9. f3 Nf6 10. Nf4 Nc6 11. Be3 Re8 12. Bf2 h6 13. Re1 Qd7 14. Qd2 Ne5 15. c4 Bh7 16. b3 Qf5 17. Rac1 a5 18. a4 b6 19. g4 Qd7 20. h4 Qc6 21. Nd5 Re6 22. g5 hxg5 23. hxg5 Kh8 24. gxf6 gxf6 25. Bd4 Qd7 26. Kf2 Rae8 27. Qh6 Kg8 28. Nf4 f5 29. Rg1+ Bg6 30. Rh1 f6 1-0

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.11"]
[Round "2"]
[White "Gonzalez, Sergio"]
[Black "Alzate, Dario"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2274"]
[BlackElo "2430"]
[PlyCount "77"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 d5 8. e5 Qc7 9. Bf4 h6 10. h4 b6 11. c4 Bb7 12. Nc3 Qd7 13. d4 cxd4 14. Nb5 0-0 15. Nfxd4 Rad8 16. Nd6 dxc4 17. N4b5 a6 18. Nxb7 Qxb7 19. Nd6 Qc7 20. Qe2 Bxe5 21. Nxf7 Rxf7 22. Bxe5 Nxe5 23. Qxe5 Qxe5 24. Rxe5 Rd2 25. Rxe6 Rxb2 26. Rae1 Kf8 27. Bf1 Rbxf2 28. Bxc4 b5 29. Bb3 R2f3 30. Rxa6 Rxg3+ 31. Kh2 Nf5 32. Bxf7 Kxf7 33. Re5 Rg4 34. Rxb5 Rxh4+ 35. Kg2 Re4 36. Rb7+ Ne7 37. a4 h5 38. a5 g5 39. Raa7 1-0

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.21"]
[Round "8"]
[White "Santa, Juan"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "D40"]
[BlackElo "2295"]
[PlyCount "68"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 a6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 Qe7 10. Be2 dxc4 11. Bxc4 b5 12. Bd3 Bb7 13. 0-0 Ne5 14. Nxe5 Bxe5 15. Rc1 Rd8 16. Na4 Bxh2+ 17. Kxh2 Rxd3 18. Qxd3 Ng4+ 19. Kg3 Ne5 20. Rc8+ Bxc8 21. Qe4 Qg5+ 22. Kh3 Ng6 23. Nc5 Qh5+ 24. Kg3 0-0 25. Qg4 Qd5 26. Qd4 Qg5+ 27. Qg4 Qxg4+ 28. Kxg4 Rd8 29. Bc3 Ne7 30. Kf3 f6 31. Rc1 e5 32. Ke2 Nc6 33. Be1 h5 34. Ra1 g5 0-1

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.20"]
[Round "6"]
[White "Gonzalez, Renier"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2435"]
[BlackElo "2295"]
[PlyCount "67"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 g6 6. Nf3 Bg7 7. cxd5 0-0 8. Bc4 Nbd7 9. 0-0 Nb6 10. Bb3 Nbxd5 11. Ne5 Be6 12. Re1 Rc8 13. Bd2 a6 14. Qf3 Qd6 15. Bg5 Nxc3 16. bxc3 Bd5 17. Qh3 Bxb3 18. axb3 Rc7 19. Rad1 b5 20. c4 bxc4 21. bxc4 a5 22. d5 a4 23. Bc1 Rb7 24. Ba3 Qa6 25. Re3 Rfb8 26. Qf3 Rb3 27. g3 Rxe3 28. Qxe3 Rb3 29. Qc5 Bf8 30. Rd3 Rb1+ 31. Kg2 Ne4 32. Qc6 Rb6 33. Qe8 Rf6 34. Ng4 1-0

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.17"]
[Round "2"]
[White "Alzate, Dario"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2419"]
[BlackElo "2295"]
[PlyCount "78"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Na6 7. 0-0 e5 8. Re1 exd4 9. Nxd4 Re8 10. f3 c6 11. Be3 Nc7 12. Qd2 d5 13. exd5 cxd5 14. c5 Be6 15. Rac1 Nh5 16. Ncb5 Nxb5 17. Nxb5 Qe7 18. Bf1 a6 19. Nd4 Rac8 20. Bf2 Qf6 21. g3 Bf8 22. b4 Ng7 23. c6 bxc6 24. Bxa6 Rc7 25. Nxc6 Nf5 26. Bf1 d4 27. b5 Ra8 28. Bc4 Bxc4 29. Rxc4 Nd6 30. Bxd4 Nxc4 31. Qd3 Qf5 32. Qxc4 Qxf3 33. Bb2 Rd8 34. Qc3 Qxc3 35. Bxc3 Rd3 36. Bf6 Bc5+ 37. Kg2 Rd2+ 38. Kh3 Kf8 39. Bg5 f5 1-0

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.17"]
[Round "3"]
[White "Gonzalez, Sergio"]
[Black "Garavito, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2295"]
[BlackElo "2114"]
[PlyCount "114"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. Qe2 0-0 9. a4 Rb8 10. axb5 axb5 11. Rd1 Re8 12. h3 h6 13. d3 d5 14. Nbd2 d4 15. Nf1 Be6 16. Qc2 Bb6 17. Ng3 Kh7 18. Bd2 g6 19. c4 bxc4 20. Bxc4 Bxc4 21. Qxc4 Re6 22. b4 Qe8 23. Rdb1 Nd8 24. b5 Nb7 25. Nh4 Nd7 26. Rf1 Ndc5 27. f4 Nd6 28. Qc2 exf4 29. Bxf4 Ncxe4 30. Nxe4 Nxe4 31. Kh1 Nc3 32. Bd2 Nd5 33. Rf3 Qe7 34. Raf1 f5 35. Qc4 Rd8 36. Nxf5 gxf5 37. Rxf5 Rf6 38. Rxf6 Nxf6 39. Bb4 Qg7 40. Qe6 Re8 41. Qxf6 Qxf6 42. Rxf6 Re5 43. Bd2 h5 44. Kg1 Rxb5 45. Kf1 Kg7 46. Rc6 Rc5 47. Rxc5 Bxc5 48. Ke2 Kf6 49. Kf3 Bb6 50. Ke4 Ke6 51. Bf4 c5 52. g4 hxg4 53. hxg4 Bd8 54. g5 Ba5 55. Bc1 Bb4 56. Kf4 Ba5 57. Kg4 c4 1/2-1/2

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.16"]
[Round "1"]
[White "Gonzalez, Sergio"]
[Black "Vacca, Leonardo"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2295"]
[PlyCount "43"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Nge7 5. c3 g6 6. d4 cxd4 7. cxd4 exd4 8. Nxd4 Bg7 9. Be3 0-0 10. Nc3 d5 11. Qa4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 dxe4 14. Qxe4 Nf5 15. Rad1 Qg5 16. Nd5 a6 17. Ba4 b5 18. Bb3 Ra7 19. Qe5 h6 20. Nf6+ Kg7 21. Ne4+ f6 22. Qc5 1-0

[Event "Bogota op olm select"]
[Site "Bogota"]
[Date "2000.07.26"]
[Round "8"]
[White "Gonzalez, Sergio"]
[Black "Clavijo, Jorge Mario"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2295"]
[BlackElo "2414"]
[PlyCount "118"]
[EventDate "2000.07.19"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bf5 5. d3 e6 6. b3 Nbd7 7. Bb2 Bc5 8. Nbd2 a5 9. a3 h6 10. e3 Qc7 11. Qe2 0-0 12. e4 dxe4 13. dxe4 Bh7 14. e5 Nd5 15. Ne4 Bxe4 16. Qxe4 Rfd8 17. c4 Ne7 18. h4 Qb6 19. Qc2 Nf5 20. Kh2 Nd4 21. Nxd4 Bxd4 22. f4 Bxb2 23. Qxb2 Nc5 24. Qf2 Rd3 25. Rab1 Nd7 26. Qc2 Qe3 27. Rf3 Rd2 28. Rxe3 Rxc2 29. Kh3 Nc5 30. Bf3 Rd8 31. Rd1 Rxd1 32. Bxd1 Rc1 33. Be2 Rb1 34. b4 axb4 35. axb4 Rxb4 36. g4 Rb3 37. Rxb3 Nxb3 38. Kg3 Nd4 39. Bd3 h5 40. gxh5 b5 41. cxb5 cxb5 42. Kf2 b4 43. Be4 Nf5 44. Ke1 Kh7 45. Kd2 Kh6 46. Bf3 Nxh4 47. Bg4 Nf5 48. Kd3 Ng3 49. Kc4 Nxh5 50. f5 exf5 51. Bxf5 Nf4 52. Kxb4 Kg5 53. Bc2 Ng6 54. e6 fxe6 55. Kc4 Nh4 56. Kd4 Kf4 57. Kd3 g5 58. Ke2 g4 59. Bb3 e5 0-1

[Event "Cali op-A 3rd"]
[Site "Cali"]
[Date "1999.12.??"]
[Round "3"]
[White "Perdomo, Carlos Andres"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2413"]
[BlackElo "2289"]
[PlyCount "71"]
[EventDate "1999.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Nc3 0-0 8. Qb3 Nbd7 9. Bg5 Nb6 10. Bc4 Bf5 11. Bxf6 Bxf6 12. 0-0 Rc8 13. Be2 Qd6 14. h3 h5 15. Rfc1 Qf4 16. a4 Bxd4 17. Nxd4 Qxd4 18. Rd1 Qf4 19. a5 Nd7 20. Qxb7 Rc7 21. Qa6 Qg5 22. Kf1 Rfc8 23. d6 exd6 24. Qxd6 Rc6 25. Qd5 Qf4 26. Kg1 Qb4 27. Qb5 Qe7 28. Bf3 Rc5 29. Qb7 Rb8 30. Qxa7 Rxb2 31. Na4 Rxf2 32. Kxf2 Rc2+ 33. Kg1 Bxh3 34. Rac1 Ra2 35. Nc3 Rb2 36. Nd5 1-0

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.12"]
[Round "9"]
[White "Gonzalez, Sergio"]
[Black "Cuartas, Jaime Alexander"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2310"]
[BlackElo "2380"]
[PlyCount "116"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. a3 Nd7 6. Nbd2 c5 7. c4 Ne7 8. cxd5 Nxd5 9. Bc4 N5b6 10. Be2 Be7 11. 0-0 0-0 12. Nb3 cxd4 13. Nbxd4 Bg6 14. b4 Nd5 15. Bb2 N7b6 16. Re1 a6 17. g3 Rc8 18. Rc1 Qd7 19. Qd2 Na4 20. Ba1 b5 21. Nb3 Nab6 22. Na5 h6 23. Nd4 Bd8 24. Ndb3 Rxc1 25. Rxc1 Bg5 26. f4 Nxf4 27. gxf4 Qxd2 28. Nxd2 Bxf4 29. Bd4 Na4 30. Rd1 Bc2 31. Nf3 Bxd1 32. Bxd1 Bc1 33. Bxa4 bxa4 34. Nc4 Rd8 35. Kf2 g5 36. h3 h5 37. Be3 Rc8 38. Bc5 a5 39. Nxa5 g4 40. hxg4 hxg4 41. Ne1 Bxa3 42. Nd3 Kg7 43. Nb7 Bxb4 44. Nxb4 a3 45. Bd6 a2 46. Nxa2 Rc2+ 47. Kg3 Rxa2 48. Kxg4 Kg6 49. Nc5 Rd2 50. Ne4 Rd1 51. Be7 Rd4 52. Kf4 Rc4 53. Ke3 Rc7 54. Bf6 Rd7 55. Kf4 Rd5 56. Kg4 Rd4 57. Kf4 Ra4 58. Ke3 Ra3+ 1/2-1/2

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.11"]
[Round "8"]
[White "Perdomo, Carlos Andres"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2410"]
[BlackElo "2310"]
[PlyCount "51"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. d4 Nf6 5. dxc5 Nxe4 6. cxd6 e6 7. Bd3 Nxd6 8. 0-0 Be7 9. Qc2 f5 10. Re1 0-0 11. Na3 Bf6 12. Nc4 Re8 13. Bf4 Nxc4 14. Bxc4 Kh8 15. Rad1 Qe7 16. Bd6 Qd8 17. Ba3 Qa5 18. Rd5 Qc7 19. Rxf5 Bd7 20. Rh5 h6 21. Qg6 Nd4 22. Rxh6+ Kg8 23. Qh7+ Kf7 24. cxd4 Qxc4 25. Rxf6+ Kxf6 26. Qh4+ 1-0

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.08"]
[Round "7"]
[White "Gonzalez, Sergio"]
[Black "Alzate, Dario"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2310"]
[BlackElo "2390"]
[PlyCount "93"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 e6 6. d5 exd5 7. exd5 Nb8 8. 0-0 Be7 9. Na3 0-0 10. Bf4 a6 11. h3 b5 12. Nc2 Nbd7 13. Ne3 Nb6 14. b3 Re8 15. a4 Bb7 16. c4 b4 17. Qd3 Bf8 18. Bg5 Bc8 19. Rae1 g6 20. Nh2 Bg7 21. Bd1 h6 22. Bh4 a5 23. Bc2 Ra7 24. Nhg4 Bxg4 25. Nxg4 Rxe1 26. Rxe1 Re7 27. Re6 Nbd7 28. Re3 Qe8 29. Nxf6+ Bxf6 30. Bg3 Rxe3 31. Qxe3 Qxe3 32. fxe3 Be5 33. Bh4 Bf6 34. Bg3 Be5 35. Bh4 g5 36. Bf2 Kf8 37. Kf1 Ke7 38. Bf5 Nf6 39. Ke2 Ne8 40. Kf3 Ng7 41. Bc2 f5 42. g4 fxg4+ 43. hxg4 Kf6 44. Bd1 Ne8 45. Be2 Kf7 46. Ke4 Kg6 47. Kf3 1/2-1/2

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.06"]
[Round "6"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2350"]
[BlackElo "2310"]
[PlyCount "149"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. 0-0 0-0 9. Kh1 d5 10. e5 Rb8 11. Ne2 b5 12. c3 b4 13. c4 Qb6 14. Be3 Rd8 15. Qc1 dxc4 16. dxc4 Ba6 17. g4 Nd4 18. Nexd4 cxd4 19. Bf2 Nc6 20. Rd1 Qc5 21. b3 f6 22. Bh4 Rf8 23. exf6 Bxf6 24. Bxf6 Rxf6 25. Ng5 Qb6 26. Nxe6 Rxe6 27. Bd5 Kg7 28. Bxe6 Ne7 29. Bd5 Bb7 30. Qb2 Nxd5 31. cxd5 Bxd5+ 32. Kg1 Bf3 33. Qxd4+ Qxd4+ 34. Rxd4 Bxg4 35. Rc1 h5 36. Rc7+ Kf6 37. Rc6+ Kf5 38. Rc5+ Ke6 39. Kf2 Rb6 40. Ra5 a6 41. Ke3 Kf6 42. h4 Bf5 43. Ra4 Re6+ 44. Kd2 Bb1 45. Rdxb4 Rd6+ 46. Kc1 Bd3 47. Ra5 Rc6+ 48. Kd2 Rd6 49. Kc3 Bf1 50. Rd4 Re6 51. a4 Re3+ 52. Kb4 Rh3 53. Rd6+ Ke7 54. Rd1 Rf3 55. Re5+ Kf6 56. Rd6+ Kf7 57. Rd4 Rh3 58. Re1 Bd3 59. Ka5 Bc2 60. b4 Rxh4 61. Kxa6 g5 62. b5 Rxf4 63. Rxf4+ gxf4 64. Rf1 Kg6 65. Rxf4 Kg5 66. Rd4 h4 67. b6 h3 68. b7 h2 69. b8Q h1Q 70. Qf4+ Kh5 71. Qg4+ Kh6 72. Rd6+ Kh7 73. Rd7+ Kh6 74. Qg7+ Kh5 75. Qh7+ 1-0

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.05"]
[Round "5"]
[White "Gonzalez, Sergio"]
[Black "Zapata, Alonso"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "2310"]
[BlackElo "2470"]
[PlyCount "71"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 exf4 10. Bxf4 Be6 11. Kh1 Rc8 12. Nd4 Ne5 13. Qe1 a6 14. Rd1 Qb6 15. Bc1 Rfe8 16. Qg3 Kh8 17. Nf5 Bxf5 18. Rxf5 Qc6 19. Bd3 b5 20. a3 Bd8 21. Bg5 Re6 22. Rdf1 Qe8 23. Qh3 Nfg4 24. Bd2 g6 25. R5f4 Bg5 26. Rxg4 Bxd2 27. Rh4 h5 28. Nd5 Bg5 29. Rxh5+ gxh5 30. Qxh5+ Bh6 31. Rf6 Qf8 32. Qf5 Qg7 33. g4 Rg8 34. h4 Qxg4 35. Qxg4 Nxg4 36. Rxf7 0-1

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.04"]
[Round "4"]
[White "Garcia, Gildardo"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2510"]
[BlackElo "2310"]
[PlyCount "27"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 c5 12. 0-0-0 Nc6 13. Bc3 Qd5 14. dxc5 1/2-1/2

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.03"]
[Round "3"]
[White "Gonzalez, Sergio"]
[Black "Echavarria, Johann"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2310"]
[BlackElo "2205"]
[PlyCount "76"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Bxf6 Bxf6 12. c3 Bg5 13. Nc2 0-0 14. a4 bxa4 15. Rxa4 a5 16. Bc4 Rb8 17. b3 Kh8 18. Nce3 g6 19. 0-0 f5 20. exf5 gxf5 21. Qh5 e4 22. f4 exf3 23. Rxf3 f4 24. Bd3 Rb7 25. Nc4 Rg7 26. h4 Bxh4 27. Nxf4 Rfg8 28. Qd5 Bd7 29. Ra2 Bg3 30. Nxd6 Qe7 31. Re2 Qh4 32. Rxg3 Qxg3 33. Nf7+ Rxf7 34. Qxf7 Qg7 35. Qxg7+ Kxg7 36. Nh5+ Kh8 37. Nf6 Rg7 38. Bb5 Ne5 1-0

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.02"]
[Round "2"]
[White "Rios Parra, Alejandro"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2325"]
[BlackElo "2310"]
[PlyCount "81"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. Nbd2 Nxd2 8. Bxd2 0-0 9. h3 Re8 10. 0-0 Nd7 11. Re1 Nf8 12. Ne5 Bf6 13. Qh5 g6 14. Qf3 Be6 15. Bh6 Bh8 16. Qg3 Qd6 17. f4 f5 18. c3 c5 19. Bxf8 Kxf8 20. Qf2 b6 21. Re2 Bf6 22. Rae1 Re7 23. g4 fxg4 24. hxg4 Kg8 25. f5 gxf5 26. gxf5 Rg7+ 27. Kh1 Bf7 28. Rg1 Bh5 29. Re3 cxd4 30. cxd4 Kh8 31. Rxg7 Bxg7 32. Rh3 Bxe5 33. dxe5 Qh6 34. Kh2 Qg5 35. e6 Bg4 36. Rg3 h5 37. Qd4+ Kg8 38. e7 Rc8 39. Qxd5+ Kg7 40. Qe5+ Qf6 41. e8N+ 1-0

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.01"]
[Round "11"]
[White "Gamboa, Nelson"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2380"]
[BlackElo "2310"]
[PlyCount "55"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. Qe2 Nb6 7. Bb3 Nf6 8. d4 a5 9. c3 a4 10. Bc2 Be7 11. a3 Qd5 12. h4 h6 13. Bf4 Nxe4 14. Bxe4 Qa5 15. Bc7 Qa7 16. c4 Nd7 17. c5 Nf6 18. Ne5 Bd7 19. 0-0 Rc8 20. Bb6 Qa8 21. Rac1 Nd5 22. Qh5 Rf8 23. Nxf7 Rxf7 24. Bg6 Bf6 25. Bxf7+ Ke7 26. Rfe1 Rf8 27. Bxe6 Bxe6 28. Rxe6+ 1-0

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.01"]
[Round "1"]
[White "Gonzalez, Sergio"]
[Black "Clavijo, Jorge Mario"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2310"]
[BlackElo "2400"]
[PlyCount "142"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d3 e5 6. 0-0 Be7 7. a3 0-0 8. Re1 d5 9. Nbd2 Qc7 10. exd5 Nxd5 11. Nc4 Rd8 12. Bf1 f6 13. h3 b5 14. Ne3 Nxe3 15. Rxe3 c4 16. Qc2 Bc5 17. dxc4 Bxe3 18. Bxe3 bxc4 19. Bxc4+ Kh8 20. Qe4 Bb7 21. Bd3 g6 22. Qc4 Rac8 23. Bc2 Nd4 24. Qxc7 Nxf3+ 25. gxf3 Rxc7 26. Bxa7 Rd2 27. Rc1 Bxf3 28. Be3 Rd6 29. a4 f5 30. a5 f4 31. Bb6 Rcd7 32. Ba4 Rf7 33. c4 Rf5 34. c5 Rd2 35. c6 Rg5+ 36. Kf1 Rxb2 37. Bd1 Bg2+ 38. Ke1 Bxc6 39. Bg4 h5 40. Bd8 hxg4 41. Bf6+ Kg8 42. Bxg5 gxh3 43. Rxc6 h2 44. Rxg6+ Kf7 45. Rf6+ Kg7 46. Rh6 h1Q+ 47. Rxh1 Rb1+ 48. Kd2 Rxh1 49. Bd8 Ra1 50. Kc3 e4 51. Bb6 e3 52. fxe3 f3 53. e4 Rxa5 54. Kd2 Ra2+ 55. Ke1 Kg6 56. Kf1 Kg5 57. Bc7 Kg4 58. Bd6 Re2 59. e5 Kh3 60. Bc7 Kg3 61. e6+ Kg4 62. Bd6 Rxe6 63. Bc7 Re2 64. Bb8 Kf5 65. Bc7 Ke4 66. Bb8 Rc2 67. Ba7 Rb2 68. Bc5 Rb5 69. Ba3 Rh5 70. Kf2 Rh2+ 71. Kf1 Rc2 0-1

[Event "COL-ch"]
[Site "Pensilvania"]
[Date "1998.08.01"]
[Round "10"]
[White "Gonzalez, Sergio"]
[Black "Ramirez, Carlos"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2310"]
[BlackElo "2400"]
[PlyCount "16"]
[EventDate "1998.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 Nc6 7. Nc3 Be7 8. dxc5 Qxd1 1/2-1/2

[Event "Cali Abierto Int"]
[Site "Cali"]
[Date "1998.??.??"]
[Round "5"]
[White "Cabrera Pino, Alexis"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2405"]
[BlackElo "2310"]
[PlyCount "41"]
[EventDate "1998.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 g6 5. d4 cxd4 6. Nxd4 d6 7. Be2 a6 8. Be3 Bg7 9. Qd2 Bd7 10. Nb3 Qc7 11. Rd1 Bxc3 12. Qxc3 e5 13. fxe5 dxe5 14. 0-0 f6 15. Nc5 Bc8 16. Bc4 Nce7 17. Nxa6 Qc6 18. Bb5 Rxa6 19. Bxc6+ Rxc6 20. Qb3 h5 21. Rd2 1-0

[Event "Cali Abierto Int"]
[Site "Cali"]
[Date "1998.??.??"]
[Round "8"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2350"]
[BlackElo "2310"]
[PlyCount "48"]
[EventDate "1998.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 Bd7 9. c3 Nc6 10. d4 cxd4 11. cxd4 Nge7 12. Ne2 0-0 13. Bh6 Bxh6 14. Qxh6 Qa5+ 15. Ndc3 e5 16. Rd1 exd4 17. Nxd4 d5 18. Nb3 Qb4 19. 0-0 Bg4 20. Nxd5 Nxd5 21. Rxd5 Be6 22. Rd2 Bxb3 23. axb3 Qxb3 24. Rfd1 Rad8 1/2-1/2

[Event "Cali Abierto Int"]
[Site "Cali"]
[Date "1998.??.??"]
[Round "2"]
[White "Escobar, Aldo"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "B20"]
[BlackElo "2310"]
[PlyCount "73"]
[EventDate "1998.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. f4 e6 5. Nf3 Nf6 6. Nc3 Be7 7. Bb5 Bd7 8. 0-0 0-0 9. e5 Ne8 10. Kh1 Nc7 11. Bd3 d5 12. a3 Rb8 13. Ne2 b5 14. Ng3 c4 15. Be2 f6 16. Qe1 f5 17. Nh5 Be8 18. Nd4 Nxd4 19. Bxd4 Bxh5 20. Bxh5 g6 21. Bf3 a6 22. Qe3 Rf7 23. d3 Bf8 24. Ba7 Rc8 25. dxc4 bxc4 26. bxc4 dxc4 27. Rfd1 Qe8 28. Bb7 Rd8 29. Rxd8 Qxd8 30. Qb6 Rd7 31. Bf3 Kf7 32. Qc6 Nd5 33. Bg1 Nxf4 34. Qxc4 g5 35. Rf1 Rc7 36. Qxa6 Rxc2 37. Be3 1/2-1/2

[Event "Cali Abierto Int"]
[Site "Cali"]
[Date "1998.??.??"]
[Round "3"]
[White "Gonzalez, Sergio"]
[Black "Clavijo, Jorge Mario"]
[Result "1/2-1/2"]
[ECO "E57"]
[WhiteElo "2310"]
[BlackElo "2400"]
[PlyCount "46"]
[EventDate "1998.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 e6 7. Bd3 Be7 8. 0-0 dxc4 9. Bxc4 0-0 10. Re1 b6 11. Bg5 Bb7 12. a3 Na5 13. Ba2 Nd5 14. Bd2 Nxc3 15. bxc3 Bd5 16. Ne5 Bxa2 17. Rxa2 Qd5 18. Ra1 Nc4 19. Nxc4 Qxc4 20. a4 Rad8 21. Qg4 Rd5 22. Re3 Rg5 23. Qe4 Qd5 1/2-1/2

[Event "ESP-chT"]
[Site "Spain"]
[Date "1998.??.??"]
[Round "4"]
[White "Gonzalez, Sergio"]
[Black "Sempere Gomis, Andres Valentin"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2310"]
[PlyCount "57"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nf6 5. Qd2 Nbd7 6. Nf3 Ng4 7. Bg5 h6 8. Bh4 0-0 9. Bd3 c5 10. dxc5 Nxc5 11. h3 Nf6 12. 0-0 Nxd3 13. cxd3 g5 14. Bg3 Nh5 15. Bh2 g4 16. hxg4 Bxg4 17. Ne1 f5 18. f3 Qb6+ 19. Kh1 fxe4 20. dxe4 Be6 21. Nd3 Rac8 22. Rfc1 Qa5 23. a3 Bb3 24. Nb4 Nf6 25. Qe3 Qh5 26. Ne2 Qf7 27. Nd4 Be6 28. Nxe6 Qxe6 29. Qxa7 1-0

[Event "Cali Abierto Int"]
[Site "Cali"]
[Date "1998.??.??"]
[Round "1"]
[White "Gonzalez, Sergio"]
[Black "Zabaleta, Libardo"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2310"]
[BlackElo "2135"]
[PlyCount "59"]
[EventDate "1998.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nd4 5. Nxd4 Bxd4 6. c3 Bb6 7. d4 c6 8. Ba4 d6 9. Qd3 Qh4 10. Nd2 Nf6 11. Bc2 0-0 12. f4 exf4 13. Nc4 Ng4 14. Bxf4 d5 15. exd5 cxd5 16. Nxb6 axb6 17. Bg3 Qh6 18. Rf4 g5 19. Rf3 f5 20. h3 Nf6 21. Be5 Ne4 22. c4 Be6 23. Bb3 g4 24. cxd5 gxf3 25. dxe6 f2+ 26. Kh2 Rf6 27. e7+ Kg7 28. Qb5 Qg6 29. Qd7 Re8 30. Ba4 1-0

[Event "Terrassa op"]
[Site "Terrassa"]
[Date "1995.??.??"]
[Round "2"]
[White "Gonzalez, Sergio"]
[Black "Campos Moreno, Javier B"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2320"]
[BlackElo "2450"]
[PlyCount "73"]
[EventDate "1995.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. g3 d6 5. exd6 e6 6. Bg2 Bxd6 7. Nf3 Nc6 8. 0-0 0-0 9. d4 Bd7 10. c4 Nf6 11. Bg5 cxd4 12. Nxd4 Be5 13. Nxc6 Bxc6 14. Qe2 Bxg2 15. Kxg2 Qc7 16. Na3 a6 17. Rab1 h6 18. Be3 Bd6 19. b4 a5 20. Nb5 Qc6+ 21. Qf3 Bxb4 22. a3 Be7 23. Na7 Qxc4 24. Rxb7 Bxa3 25. Nb5 Bb4 26. Bxh6 gxh6 27. Qxf6 Qd5+ 28. Qf3 Qxf3+ 29. Kxf3 Rfb8 30. Rxb8+ Rxb8 31. Nd4 Bc3 32. Ne2 Bf6 33. Rc1 a4 34. Rc4 a3 35. Ra4 Rb3+ 36. Ke4 Rb2 37. Nf4 0-1

[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "2"]
[White "Gonzalez, Sergio"]
[Black "Minasian, Artashes"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2305"]
[BlackElo "2570"]
[PlyCount "70"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. Nc3 0-0 7. h3 Nd4 8. Bf1 d6 9. Nxd4 cxd4 10. Nb5 e5 11. c3 a6 12. Na3 b5 13. cxd4 exd4 14. Nc2 Qb6 15. d3 Bb7 16. b3 a5 17. Bb2 Nd7 18. Re2 d5 19. Ne1 Rfe8 20. Nf3 Rad8 21. e5 Nxe5 22. Nxd4 Nd7 23. Nf3 d4 24. Qe1 Kf8 25. Ng5 Nf6 26. Qd1 h6 27. Nf3 Nd5 28. Qd2 Nc3 29. Rxe8+ Rxe8 30. Re1 Bxf3 31. Rxe8+ Kxe8 32. gxf3 Qe6 33. Bc1 Be5 34. f4 Bd6 35. Bg2 Bxf4 0-1

[Event "US Open-94"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "?"]
[White "Kaptsan, Aron"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2210"]
[BlackElo "2305"]
[PlyCount "112"]
[EventDate "1993.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d6 4. g3 Nbd7 5. Bg2 e5 6. e3 Be7 7. Nge2 0-0 8. 0-0 Re8 9. Qc2 Bf8 10. b3 Qc7 11. a4 a5 12. Ba3 g6 13. Rac1 exd4 14. Nxd4 Nc5 15. h3 Bd7 16. Rcd1 Rad8 17. Rd2 Qc8 18. Kh2 Re5 19. Bxc5 Rxc5 20. Ne4 Nxe4 21. Qxe4 d5 22. cxd5 Rxd5 23. Qc2 Bxh3 24. Bxd5 Bxf1 25. Bg2 Bxg2 26. Kxg2 Bb4 27. Rd1 Qd7 28. Rh1 Qd5+ 29. Nf3 Qd3 30. Qb2 Qc3 31. Qa2 Rd3 32. Rb1 h5 33. Qe2 Be7 34. Rd1 Rxd1 35. Qxd1 Bf6 36. e4 Kg7 37. Ng1 b5 38. f4 h4 39. Ne2 Qe3 40. e5 Be7 41. gxh4 Bxh4 42. Qc2 Qf2+ 43. Kh3 Be7 44. Qe4 bxa4 45. bxa4 Qf1+ 46. Kg4 Qe1 47. Qg2 Qd1 48. Qe4 c5 49. f5 gxf5+ 50. Kxf5 Qd7+ 51. Kf4 Qh3 52. Ng3 Bg5+ 53. Kf3 Be7 54. Qf4 Kg8 55. Qe4 c4 56. Qd5 Qd7 0-1

[Event "Olympiad-30"]
[Site "Manila"]
[Date "1992.06.24"]
[Round "14.4"]
[White "Gonzalez, Sergio"]
[Black "Sevillano, Enrico"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2305"]
[BlackElo "2345"]
[PlyCount "132"]
[EventDate "1992.06.08"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "PHI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Philippines"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "PHI"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Nd7 10. Be3 a6 11. Nc3 Be7 12. Bd3 0-0 13. Qc2 g6 14. 0-0 f5 15. f3 b6 16. b4 Bb7 17. Qb3 Bg5 18. Bf2 Rc8 19. a4 Qf6 20. Ne2 Qf7 21. Ra2 Rc7 22. Nc3 Rfc8 23. Rc2 e4 24. fxe4 Ne5 25. Nd1 fxe4 26. Bxe4 Rxc4 27. Bxb6 Bf4 28. Rxc4 Nxc4 29. Qf3 Rf8 30. g3 Nd2 31. Qxf4 Nxf1 32. Qxf7+ Rxf7 33. Bg2 Nd2 34. Ne3 Bc8 35. Nc2 Nf3+ 36. Kh1 g5 37. Nd4 Nxd4 38. Bxd4 g4 39. Kg1 Rc7 40. Bf1 Rc1 41. Kf2 Rc2+ 42. Be2 a5 43. b5 Ra2 44. Bb6 Rxa4 45. Bc7 Bb7 46. Bxd6 Bxd5 47. b6 Bb7 48. Ke3 Re4+ 49. Kf2 a4 50. Bc5 Kf7 51. Bd3 Re8 52. Bxh7 Rc8 53. Bd4 a3 54. Bb1 Bd5 55. Be5 Ke6 56. Bf4 Rh8 57. Kg1 Rf8 58. h4 Rf7 59. Bc7 Kd7 60. Be5 Kc6 61. Bd4 Rf3 62. h5 Rxg3+ 63. Kf2 Rh3 64. h6 g3+ 65. Ke2 Rxh6 66. Bf5 Kb7 0-1

[Event "Olympiad-30"]
[Site "Manila"]
[Date "1992.06.22"]
[Round "13.4"]
[White "Braga, Cicero Nogueira"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2355"]
[BlackElo "2305"]
[PlyCount "41"]
[EventDate "1992.06.08"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "PHI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "COL"]

1. g3 e5 2. c4 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 0-0 9. Be3 Bg4 10. Rc1 Re8 11. Re1 Qd7 12. Ne4 Bb4 13. Bd2 Bf8 14. Be3 Rad8 15. Bc5 Bd6 16. b4 h6 17. b5 Ne7 18. Qb3 Be6 19. Qa3 f5 20. Nxd6 cxd6 21. Be3 1/2-1/2

[Event "Olympiad-30"]
[Site "Manila"]
[Date "1992.06.20"]
[Round "11.4"]
[White "Lanka, Zigurds"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "2490"]
[BlackElo "2305"]
[PlyCount "105"]
[EventDate "1992.06.08"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "PHI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Latvia"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "LAT"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. d4 Nf6 7. Bxc6 Bxc6 8. Re1 Be7 9. Nc3 exd4 10. Nxd4 0-0 11. Nf5 Re8 12. Bg5 h6 13. Bh4 Qd7 14. Re3 Kh7 15. Qd3 Ng4 16. Rh3 Bf8 17. f3 Ne5 18. Qd4 Qe6 19. Qf2 Ng6 20. Rd1 Qc4 21. Qd2 Nxh4 22. Rxh4 Rad8 23. Kh1 Qc5 24. Nd5 Bxd5 25. exd5 Re5 26. Ng3 Rde8 27. Re4 Qb5 28. c4 Qd7 29. Rf1 Qd8 30. Qf4 Kg8 31. Qg4 Qg5 32. Qxg5 hxg5 33. Rfe1 g6 34. Rxe5 Rxe5 35. Rxe5 dxe5 36. Ne4 Be7 37. g4 Kg7 38. h4 gxh4 39. g5 f5 40. gxf6+ Bxf6 41. Kg2 Be7 42. a3 g5 43. Kh3 Kg6 44. Kg4 Kf7 45. b4 Ke8 46. c5 Kd7 47. a4 Bd8 48. b5 axb5 49. axb5 Be7 50. c6+ bxc6 51. bxc6+ Kd8 52. Kh3 Ke8 53. Kg4 1/2-1/2

[Event "Olympiad-30"]
[Site "Manila"]
[Date "1992.06.17"]
[Round "9.4"]
[White "Gonzalez, Sergio"]
[Black "Landenbergue, Claude"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2305"]
[BlackElo "2410"]
[PlyCount "59"]
[EventDate "1992.06.08"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "PHI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "SUI"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nc3 0-0 8. Qd2 c5 9. 0-0-0 cxd4 10. Qxd4 Qa5 11. Kb1 Rd8 12. Bd3 Nc5 13. Qe5 Qb4 14. Be2 Bd7 15. Rd4 Qb6 16. Rhd1 Re8 17. Be3 Rac8 18. Qg3 Qa5 19. Ne5 b5 20. b4 Qc7 21. bxc5 Bxc5 22. Bh6 g6 23. Ne4 Nxe4 24. Rxe4 Bf8 25. Ng4 Qxc2+ 26. Ka1 f5 27. Bxf8 fxe4 28. Qe5 Kxf8 29. Qh8+ Kf7 30. Qf6+ 1-0

[Event "Olympiad-30"]
[Site "Manila"]
[Date "1992.06.15"]
[Round "7.4"]
[White "Aparaugo, T."]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "B60"]
[BlackElo "2305"]
[PlyCount "80"]
[EventDate "1992.06.08"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "PHI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Nigeria"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "NGR"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Be2 Qa5 8. Bxf6 gxf6 9. Qd2 Nxd4 10. Qxd4 Rc8 11. 0-0 Qc5 12. Qd2 h5 13. Kh1 h4 14. h3 Bh6 15. f4 Rg8 16. Rad1 Rg3 17. Bf3 Rg8 18. Rfe1 b5 19. Re2 Rg3 20. e5 fxe5 21. Ne4 Bxf4 22. Nxc5 Bxd2 23. Nxd7 Bf4 24. Nf6+ exf6 25. Rxd6 Ke7 26. Rd5 a6 27. a4 bxa4 28. Ra5 Rd8 29. Bd5 Bc1 30. c4 Rd3 31. Rxa4 Rd1+ 32. Kh2 Bf4+ 33. g3 Bxg3+ 34. Kg2 Rg8 35. Rxa6 Bf4+ 36. Kf2 Rgg1 37. Ra7+ Kd6 38. Ra6+ Kc5 39. Rc6+ Kd4 40. Re4+ Kd3 0-1

[Event "Olympiad-30"]
[Site "Manila"]
[Date "1992.06.14"]
[Round "6.4"]
[White "Gonzalez, Sergio"]
[Black "Midjord, Joan Paetur"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2305"]
[BlackElo "2205"]
[PlyCount "72"]
[EventDate "1992.06.08"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "PHI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Faroe Islands"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "FAI"]

1. g3 Nf6 2. Bg2 e5 3. d3 d5 4. Nf3 Bd6 5. 0-0 c6 6. Nbd2 0-0 7. e4 Bg4 8. h3 Bh5 9. c3 Nbd7 10. Re1 Re8 11. Qc2 Rc8 12. Nf1 Bg6 13. Nh4 Qb6 14. Ne3 dxe4 15. dxe4 Bf8 16. Nhf5 Qa6 17. a4 b6 18. b4 b5 19. Bb2 Qb7 20. g4 a6 21. Ng3 c5 22. Qb3 c4 23. Qc2 Nb6 24. a5 Nbd5 25. Nxd5 Nxd5 26. Bc1 Rcd8 27. Nf5 Nc7 28. Be3 Ne6 29. Rad1 Qb8 30. Rd5 Rxd5 31. exd5 Nf4 32. Bxf4 exf4 33. Rxe8 Qxe8 34. Qe4 Qxe4 35. Bxe4 Bxf5 36. Bxf5 g6 1/2-1/2

[Event "Merida op"]
[Site "Merida"]
[Date "1992.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Gutierrez, Oscar"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2305"]
[BlackElo "2205"]
[PlyCount "111"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Nf6 3. Bg2 c6 4. 0-0 Bf5 5. d3 h6 6. Nbd2 e6 7. c4 Bc5 8. Qc2 Qe7 9. cxd5 exd5 10. Nh4 Bh7 11. e4 dxe4 12. dxe4 0-0 13. h3 Nbd7 14. b3 Rad8 15. Bb2 Ne5 16. Nf5 Bxf5 17. exf5 Bd4 18. Rae1 Qd7 19. Bxd4 Qxd4 20. Ne4 Nd3 21. Re2 Nxe4 22. Rxe4 Qc5 23. Qxc5 Nxc5 24. Re7 Rfe8 25. Rfe1 Kf8 26. R7e5 Rxe5 27. Rxe5 Nd3 28. Ra5 a6 29. Bf1 Nb4 30. a3 Nc2 31. a4 Rd2 32. f6 gxf6 33. Rf5 Kg7 34. Rf4 Rd4 35. Rf3 Nb4 36. Re3 Kf8 37. h4 Nd5 38. Rf3 Kg7 39. Bc4 Ne7 40. Kf1 Ng6 41. Rd3 Rxd3 42. Bxd3 Ne5 43. Bf5 a5 44. Ke2 Kf8 45. Ke3 Ke7 46. f4 Nd7 47. Kd4 b6 48. Bd3 Nc5 49. Bc2 Ke6 50. g4 Ke7 51. Bd1 Ke6 52. Bc2 Ke7 53. Bd1 Ke6 54. Bc2 Ke7 55. Bd1 Ke6 56. Bc2 1/2-1/2

[Event "Merida op"]
[Site "Merida"]
[Date "1992.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Rodriguez, Ad"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2305"]
[BlackElo "2220"]
[PlyCount "31"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Re1 Nf6 6. c3 a6 7. Bxc6 Bxc6 8. d4 Bxe4 9. Bg5 Bc6 10. c4 e6 11. d5 Bd7 12. Nc3 e5 13. Nxe5 Be7 14. Bxf6 gxf6 15. Ng4 Kf8 16. Nh6 1-0

[Event "Merida op"]
[Site "Merida"]
[Date "1992.??.??"]
[Round "?"]
[White "Rohl Montes, Juan Armando"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "B59"]
[BlackElo "2305"]
[PlyCount "56"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e5 7. Nb3 Be7 8. Be2 0-0 9. g4 Be6 10. g5 Nd7 11. Qd2 a5 12. a4 Nb4 13. h4 Nb6 14. h5 d5 15. Bxb6 Qxb6 16. exd5 Rfd8 17. Bf3 Bf5 18. Bd1 Rac8 19. g6 hxg6 20. h6 g5 21. hxg7 Kxg7 22. Qe2 Qg6 23. Rc1 Nxd5 24. Nxd5 Rxd5 25. Nd2 Bxc2 26. Qf3 Rxd2 27. Kxd2 Bb4+ 28. Ke2 Qa6+ 0-1

[Event "Merida op"]
[Site "Merida"]
[Date "1992.??.??"]
[Round "?"]
[White "Sequera Paolini, Jose Rafael"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2270"]
[BlackElo "2305"]
[PlyCount "157"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Nc6 6. Be2 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nbd2 0-0 10. Nb3 Bb6 11. Bf4 Bg4 12. Qd2 Qc8 13. Rad1 Rd8 14. Nfd4 Bxe2 15. Qxe2 Ng6 16. Bg3 Nce7 17. h4 Nf5 18. Nxf5 Qxf5 19. Rfe1 h6 20. Nd4 Qd7 21. Qf3 Ne7 22. Be5 Bxd4 23. Bxd4 Nf5 24. Qf4 Nxd4 25. Qxd4 Re8 26. Re5 Rxe5 27. Qxe5 Re8 28. Rxd5 Qc6 29. Qd4 Re1+ 30. Kh2 Qc7+ 31. g3 Qc6 32. Rd8+ Kh7 33. Qd3+ g6 34. Rd5 Qf6 35. Kg2 Qc6 36. h5 Re6 37. hxg6+ Rxg6 38. Qd4 a6 39. Kg1 Re6 40. Qd3+ Kg7 41. Qd4+ Kh7 42. Kh2 Re1 43. Qd3+ Kg7 44. Qf3 Qe6 45. c4 Qe4 46. Qxe4 Rxe4 47. Rd7 Re2 48. Rxb7 Rxf2+ 49. Kh3 Rc2 50. b3 Rxa2 51. Kg4 Rc2 52. Kf4 a5 53. Ke5 a4 54. Kd5 axb3 55. Rxb3 Kf6 56. c5 Kg5 57. Rb4 Rc3 58. c6 Kf6 59. Rc4 Rd3+ 60. Rd4 Rxg3 61. c7 Rg8 62. Kc6 Rc8 63. Rd8 Rxc7+ 64. Kxc7 Ke5 65. Kc6 h5 66. Kc5 Ke4 67. Kc4 h4 68. Re8+ Kf3 69. Kd3 h3 70. Rh8 Kg2 71. Ke2 h2 72. Rg8+ Kh3 73. Kf2 h1N+ 74. Kf3 Kh2 75. Rg2+ Kh3 76. Rg7 Kh2 77. Rxf7 Kg1 78. Rg7+ Kf1 79. Rg2 1-0

[Event "COL-ch"]
[Site "Columbia"]
[Date "1990.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Barrios, Felix"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "109"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 0-0 6. Nge2 Na6 7. 0-0 c5 8. d5 Rb8 9. a4 Nc7 10. h3 a6 11. Rb1 b5 12. axb5 Nxb5 13. Nxb5 Rxb5 14. Bd2 a5 15. Bc3 Nd7 16. g4 Ba6 17. Re1 Qb8 18. b3 Qc7 19. Qd2 Ra8 20. Ra1 Bxc3 21. Qxc3 Rb4 22. Ng3 Ra7 23. h4 c4 24. bxc4 Qxc4 25. Qe3 Qc5 26. Qxc5 Nxc5 27. Rxa5 Rab7 28. h5 Kg7 29. Re3 Rb1+ 30. Kh2 Rc1 31. Rc3 Rb6 32. Ra2 Bc8 33. Bf3 Rb4 34. Ra8 Bxg4 35. Bxg4 Nxe4 36. Nxe4 Rxe4 37. Bf3 Rh4+ 38. Kg3 g5 39. Re3 Rg1+ 40. Bg2 Rxh5 41. Rxe7 Rh6 42. Ree8 Rf6 43. Rg8+ Kh6 44. Kh2 Re1 45. Ra3 Rf4 46. Rh3+ Rh4 47. Rxh4+ gxh4 48. Rd8 Re2 49. Rxd6+ Kg5 50. c4 Rxf2 51. c5 f5 52. c6 Rc2 53. Kh3 f4 54. Rd7 Kf6 55. Rxh7 1-0

[Event "COL-ch"]
[Site "Columbia"]
[Date "1990.??.??"]
[Round "?"]
[White "Gonzalez Manchon, Juan Miguel"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "77"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. b3 c6 5. Nf3 Nbd7 6. 0-0 Bd6 7. d4 0-0 8. Nc3 Qe7 9. Qc2 dxc4 10. bxc4 e5 11. e3 Re8 12. Rb1 Nf8 13. Bb2 Ng6 14. Ba1 Qc7 15. c5 Bf8 16. Nxe5 Nxe5 17. dxe5 Ng4 18. Ne4 Nxe5 19. Rfd1 Ng6 20. Nd6 Rd8 21. Nxc8 Raxc8 22. Bd4 Ne7 23. Rb3 Rb8 24. Rdb1 Ng6 25. Qb2 Rd7 26. h4 f6 27. f4 h6 28. Qc2 Nh8 29. Qf5 Re7 30. h5 Ree8 31. Bf1 Nf7 32. Bd3 Be7 33. Bc4 Bd8 34. Rd1 Kf8 35. Bb2 Re7 36. Rbd3 Qa5 37. Bc3 Qc7 38. Rd7 Qc8 39. Be6 1-0

[Event "COL-ch"]
[Site "Columbia"]
[Date "1990.??.??"]
[Round "?"]
[White "Salcedo, Omar"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "30"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Be7 9. c4 b4 10. Qa4 Bd7 11. Nb5 Kf8 12. Nbc7 Ra7 13. Bd3 Rxc7 14. Nxc7 Qxc7 15. Qxa6 Nb8 0-1

[Event "COL op"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "?"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2320"]
[PlyCount "58"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. Bd3 Na6 7. 0-0 c5 8. d5 Rb8 9. Qe2 Nb4 10. Bc4 e6 11. dxe6 Bxe6 12. Bxe6 fxe6 13. e5 Nfd5 14. Ne4 dxe5 15. fxe5 Qc7 16. c4 Nf4 17. Bxf4 Rxf4 18. a3 Nc6 19. Qe3 Nd4 20. Nf6+ Bxf6 21. exf6 Nxf3+ 22. Rxf3 Rxf3 23. Qxf3 Qe5 24. Rf1 Rf8 25. b3 Rf7 26. h3 Qd4+ 27. Kh1 e5 28. Qg3 Qd6 29. Qg5 e4 1/2-1/2

[Event "COL op"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Saavedra, Carlos"]
[Result "1-0"]
[ECO "C18"]
[BlackElo "2205"]
[PlyCount "99"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. h4 Nbc6 8. h5 h6 9. Nf3 Qa5 10. Bd2 c4 11. a4 Bd7 12. Qc1 0-0-0 13. Rb1 Rdg8 14. Qb2 Qc7 15. g3 f6 16. exf6 gxf6 17. Bh3 e5 18. Qb5 Bxh3 19. Rxh3 Rg4 20. Rh4 Rxh4 21. Nxh4 Qd7 22. a5 Rh7 23. Be3 exd4 24. cxd4 a6 25. Qc5 Nf5 26. Qf8+ Nd8 27. Rb6 Rf7 28. Qc5+ Nc6 29. Ng2 Re7 30. Kd2 Nd6 31. f3 Nf5 32. Bf2 Ng7 33. Nf4 Ne6 34. Qxd5 Nxf4 35. Qxd7+ Rxd7 36. gxf4 Rd5 37. Kc3 Rxh5 38. Kxc4 Nxa5+ 39. Kd3 Nc6 40. c4 Rh2 41. Be3 f5 42. d5 Ne7 43. Bc5 Rh3 44. Bxe7 Rxf3+ 45. Kd4 Rxf4+ 46. Kc5 Re4 47. Re6 Rxe6 48. dxe6 Kc7 49. Kd5 b5 50. c5 1-0

[Event "WchT U26 07th"]
[Site "San Juan"]
[Date "1987.07.??"]
[Round "?"]
[White "Martinez, Ibrahim"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "75"]
[EventDate "1987.07.06"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7 6. Bxc6 bxc6 7. 0-0 e5 8. Qd3 Nf6 9. Bg5 Qe6 10. Nc3 Be7 11. Rfe1 0-0 12. Rad1 h6 13. Bc1 Rd8 14. b3 Ne8 15. Ne2 Bf8 16. Ng3 g6 17. Qe3 Qe7 18. c4 Bg4 19. h3 Bxf3 20. Qxf3 Nc7 21. Qg4 Kh7 22. Rd3 Ne6 23. h4 Rd7 24. h5 Rad8 25. Nf1 Bg7 26. Rg3 Qf6 27. Nh2 d5 28. hxg6+ fxg6 29. Rf3 Qe7 30. exd5 cxd5 31. Bxh6 Bxh6 32. Rxe5 dxc4 33. Rxe6 Qg7 34. Qxc4 Rc7 35. Rc6 Rd1+ 36. Nf1 Rcd7 37. Rcf6 Bg5 38. Rf7 1-0

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Alzate, Dario"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2300"]
[BlackElo "2355"]
[PlyCount "50"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. f3 e6 5. Be3 b6 6. Bd3 Be7 7. b4 0-0 8. Nd2 Nc6 9. a3 e5 10. d5 Nb8 11. Ne2 Nh5 12. 0-0 Bg5 13. f4 Bh6 14. bxc5 bxc5 15. Nc4 Ba6 16. fxe5 Bxc4 17. Bxh6 Bxd3 18. Qxd3 gxh6 19. Qh3 Ng7 20. Rf3 h5 21. Raf1 dxe5 22. Ng3 Nd7 23. Rd3 f5 24. Rxf5 Nxf5 25. Nxf5 Qg5 1/2-1/2

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Garces"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2300"]
[BlackElo "2300"]
[PlyCount "121"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Qc7 6. c3 a6 7. Bf1 e5 8. d4 d6 9. Be3 b6 10. b4 Nd8 11. bxc5 bxc5 12. dxc5 dxc5 13. Qd5 Bb7 14. Qxc5 Rc8 15. Qxc7 Rxc7 16. Bb6 Rc6 17. Bxd8 Kxd8 18. Nbd2 Rxc3 19. Nc4 Nh6 20. Nfxe5 Kc7 21. Rad1 Bc8 22. Rd5 Bxe5 23. Rxe5 Be6 24. Rc5+ Kd8 25. h3 Ke7 26. f4 Rc8 27. Rxc8 Bxc8 28. a4 Be6 29. Ne3 Ra3 30. Bxa6 Rxa4 31. Bb7 Ng8 32. f5 Ba2 33. Ra1 Bb3 34. Rb1 Ba2 35. Rb6 Nf6 36. e5 Nd7 37. f6+ Kd8 38. Rd6 Kc7 39. Nd5+ Bxd5 40. Rxd5 Nb6 41. e6 fxe6 42. f7 Rf4 43. Rd4 Rxf7 44. Bf3 Rd7 45. Re4 Kd6 46. h4 Nd5 47. Kh2 Rb7 48. Kg3 Ra7 49. Re1 Ra5 50. Rb1 Ra7 51. Kg4 Re7 52. Ra1 e5 53. Ra6+ Kc5 54. Ra5+ Kd4 55. Rxd5+ Ke3 56. Kg3 e4 57. Bg4 Ra7 58. Rd7 Ra6 59. Rxh7 Kd2 60. Kf4 e3 61. Re7 1-0

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Gonzalez, J."]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2300"]
[BlackElo "2375"]
[PlyCount "119"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. Be2 Nfd7 7. 0-0 c5 8. Be3 cxd4 9. Nxd4 Nc6 10. Nf3 a6 11. Qd2 b5 12. Rad1 Nf6 13. Kh1 b4 14. Nb1 Be6 15. Qd3 Bxa2 16. Nbd2 Be6 17. Ng5 Bg4 18. Nc4 Bxe2 19. Qxe2 h6 20. Nf3 Qc7 21. e5 dxe5 22. fxe5 Ng4 23. Bb6 Qb8 24. Rd5 h5 25. h3 Nh6 26. Nh4 Qc8 27. Qd2 Qe6 28. Re1 Nf5 29. Nxf5 gxf5 30. b3 Bh6 31. Qd1 Kh7 32. Rd3 Qg6 33. Qf3 Rac8 34. Bf2 Rg8 35. Nb6 Rcd8 36. Rxd8 Rxd8 37. e6 Nd4 38. Bxd4 Rxd4 39. exf7 Qxf7 40. Qb7 Bg5 41. Nc8 Bh4 42. g3 Bf6 43. Nxe7 h4 44. Qb6 hxg3 45. Qc5 Rf4 46. Nd5 Qb7 47. Re6 Rd4 48. Rc6 Bg7 49. Nc7 Qc8 50. Ne6 Rd1+ 51. Kg2 Qd7 52. Qxf5+ Kg8 53. Nd4 Qxf5 54. Nxf5 Be5 55. Nxg3 Rd2+ 56. Kf3 Bc3 57. Ne2 Rxc2 58. Nxc3 bxc3 59. Ke3 Rh2 60. Rxc3 1/2-1/2

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "La Rota, Fabio"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2300"]
[BlackElo "2300"]
[PlyCount "121"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. a3 a5 7. Nc3 Ngxe5 8. Nxe5 Nxe5 9. Bd2 d6 10. Be2 0-0 11. 0-0 Re8 12. Rb1 Bf5 13. e4 Bg6 14. Kh1 Nc6 15. f3 f6 16. Nd5 Nd4 17. Bd3 a4 18. Bc3 c6 19. Nf4 Bf7 20. Bxd4 Bxd4 21. Ne2 Bc5 22. Nc3 Qa5 23. f4 Bxa3 24. Nxa4 Qxa4 25. bxa3 Qxd1 26. Rfxd1 Rxa3 27. Rxb7 d5 28. cxd5 cxd5 29. Bb5 Rd8 30. h3 d4 31. Rd7 Rxd7 32. Bxd7 d3 33. Bb5 Rb3 34. Bxd3 Rb4 35. Rb1 Rxb1+ 36. Bxb1 Kf8 37. Kg1 Bc4 38. Kf2 Ke7 39. h4 h5 40. Ke3 Bf1 41. g3 f5 42. Bd3 Bg2 43. Kd4 Kf6 44. e5+ Ke6 45. Kc5 g6 46. Bc4+ Ke7 47. Bd5 Bf1 48. Bc4 Bg2 49. Bg8 Bf3 50. Bh7 Kf7 51. Kd6 Bd1 52. e6+ Kg7 53. Kd7 Kxh7 54. e7 Ba4+ 55. Kd8 Kg7 56. e8Q Bxe8 57. Kxe8 Kg8 58. Ke7 Kg7 59. Ke6 Kg8 60. Kf6 Kh7 61. Kf7 1-0

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Matamoros Franco, Carlos S"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2300"]
[BlackElo "2300"]
[PlyCount "121"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. g3 c5 6. Bg2 Be7 7. 0-0 0-0 8. Re1 Nc6 9. c3 Ba6 10. exd5 exd5 11. Nf1 Re8 12. a3 h6 13. b4 Bf8 14. Ne3 Bb7 15. Bb2 Rb8 16. Qb3 Qd7 17. d4 Rbd8 18. Qc2 a5 19. b5 Na7 20. a4 Nc8 21. Ne5 Qc7 22. Qb3 Nd6 23. Rad1 c4 24. Qc2 Nde4 25. Re2 Bd6 26. f3 Ng5 27. h4 Ngh7 28. f4 Bxe5 29. fxe5 Ne4 30. Nxd5 Bxd5 31. Bxe4 Nf6 32. Bxd5 Nxd5 33. Ba3 Qd7 34. Rf1 Qg4 35. Kh2 Rd7 36. Re4 Qg6 37. Rf3 Re6 38. Re2 Qg4 39. Ref2 Rg6 40. Bb2 h5 41. Qf5 Qxf5 42. Rxf5 Ne3 43. Rxh5 Ng4+ 44. Kg2 Nxf2 45. Kxf2 Re6 46. Bc1 f6 47. exf6 gxf6 48. Bf4 Rde7 49. Rd5 Re2+ 50. Kf3 Rc2 51. Kg4 Rxc3 52. Rd8+ Kf7 53. Kf5 Rd3 54. h5 Re1 55. Rd6 c3 56. Rxf6+ Kg8 57. Rg6+ Kh7 58. Rh6+ Kg8 59. Rc6 Rxd4 60. h6 Kh7 61. Rxc3 1/2-1/2

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Mendoza, Rafael Enrique"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2290"]
[BlackElo "2300"]
[PlyCount "73"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 g6 7. Be2 Bg7 8. Nb3 0-0 9. 0-0 a5 10. a4 Qb6+ 11. Kh1 Be6 12. Bf3 Nd7 13. Nd5 Bxd5 14. exd5 Nb4 15. Re1 Nc5 16. Nxc5 Qxc5 17. c3 Na6 18. Rxe7 Rfe8 19. Re2 Nc7 20. Bd2 Nxd5 21. Qb1 Qc4 22. Qf1 Nb6 23. b3 Qc7 24. Rae1 Rxe2 25. Qxe2 Nd7 26. Qb5 Nc5 27. Bd5 Kf8 28. h3 Bf6 29. Qc4 Qd7 30. f5 Kg7 31. fxg6 hxg6 32. Rf1 Rh8 33. Rxf6 Kxf6 34. Qf4+ Qf5 35. Qxf5+ gxf5 36. Bf4 Ke7 37. Kg1 1-0

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Minaya Molano, Juan M"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2300"]
[BlackElo "2300"]
[PlyCount "102"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. cxd5 Nxd5 7. d4 Nb6 8. Nc3 Nc6 9. d5 Na5 10. e4 e6 11. Bg5 Qd7 12. Bh3 Qe8 13. Re1 h6 14. Bf4 e5 15. Bxc8 Rxc8 16. Be3 Nac4 17. Bc5 Nd6 18. Qb3 Nbc4 19. Rac1 b6 20. Bxd6 Nxd6 21. a4 Qd7 22. Nb5 f5 23. Nd2 fxe4 24. Nxa7 Rcd8 25. Nc6 Rde8 26. Nxe4 Qf5 27. Qc2 Nxe4 28. Rxe4 Rf7 29. Qe2 Qd7 30. Rd1 Ref8 31. Rf1 Qxd5 32. Nxe5 Bxe5 33. Rxe5 Qd4 34. Re6 Kh7 35. Qe4 Qxe4 36. Rxe4 Rd8 37. Rfe1 Rd2 38. R1e2 Rd3 39. Re7 Kg7 40. Rxf7+ Kxf7 41. Rc2 c5 42. a5 bxa5 43. Rxc5 Rb3 44. Rxa5 Rxb2 45. Kg2 Kf6 46. g4 Rb4 47. Kg3 Rb3+ 48. f3 g5 49. Rf5+ Kg6 50. h4 gxh4+ 51. Kxh4 h5 1/2-1/2

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Ruiz Proano, Esteban"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "A54"]
[WhiteElo "2250"]
[BlackElo "2300"]
[PlyCount "73"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. g3 c6 5. Bg2 e5 6. 0-0 Be7 7. Nc3 0-0 8. Qc2 Qc7 9. b3 Re8 10. Bb2 Bf8 11. Rad1 e4 12. Nh4 d5 13. Nf5 Nb6 14. Ne3 Ng4 15. Bc1 Nxe3 16. Bxe3 Bf5 17. c5 Nc8 18. b4 Qd7 19. b5 Ne7 20. Rb1 Bh3 21. Qa4 Bxg2 22. Kxg2 Nf5 23. Bf4 Re6 24. bxc6 bxc6 25. Nd1 g5 26. Bxg5 Rg6 27. Bf4 Bh6 28. Rb8+ Rxb8 29. Bxb8 Bg7 30. Qxa7 Nh4+ 31. Kh1 Qh3 32. Rg1 Nf3 33. exf3 Rh6 34. g4 Qxf3+ 35. Rg2 Qxd1+ 36. Rg1 Qf3+ 37. Rg2 1/2-1/2

[Event "Asousados"]
[Site "Asousados"]
[Date "1986.??.??"]
[Round "?"]
[White "Yepes Martinez, Eduardo"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2390"]
[BlackElo "2300"]
[PlyCount "105"]
[EventDate "1986.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "4"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. 0-0 0-0 9. b3 Be6 10. Bb2 f5 11. e3 Bf6 12. Qe2 Re8 13. Rfd1 Bf7 14. Qc2 Qe7 15. Rac1 Bh5 16. Rd2 Rad8 17. a3 Rd7 18. b4 Red8 19. Nb1 Bf7 20. Rdd1 Qe6 21. Rd2 a6 22. h4 Qb3 23. Qxb3 Bxb3 24. Bh3 g6 25. e4 Rxd3 26. Rxd3 Rxd3 27. Ne1 Rd8 28. exf5 Nc4 29. Bc3 g5 30. Bf1 gxh4 31. gxh4 b5 32. Nf3 Nd4 33. Bxd4 exd4 34. Nbd2 Nxd2 35. Nxd2 Bd5 36. Rxc7 Bxh4 37. Bg2 Bg5 38. Bxd5+ Rxd5 39. Ne4 d3 40. f4 Bd8 41. Rc5 Rd7 42. Rc1 Rd4 43. Nc5 d2 44. Rd1 Be7 45. Kg2 Bd6 46. Nb3 Rxf4 47. Rxd2 Be7 48. Rd7 Kf8 49. Ra7 h5 50. Rxa6 Rxf5 51. Ra5 h4 52. Nd4 Rg5+ 53. Kh1 1/2-1/2

[Event "Tunja"]
[Site "Tunja"]
[Date "1981.??.??"]
[Round "?"]
[White "Agudelo, Antonio"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2250"]
[PlyCount "46"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nf3 Nc6 5. 0-0 Be7 6. a3 0-0 7. b4 a6 8. Bb2 e4 9. Nd4 Nxd4 10. Bxd4 Bf5 11. Nd2 a5 12. Rb1 axb4 13. axb4 Re8 14. Rb3 Ra4 15. Qb1 Bd6 16. Qb2 Qe7 17. Rb1 exd3 18. exd3 Be5 19. Bxe5 Qxe5 20. Qxe5 Rxe5 21. Nf3 Re8 22. Nd4 Bd7 23. Rc3 Rxb4 1/2-1/2

[Event "Tunja"]
[Site "Tunja"]
[Date "1981.??.??"]
[Round "?"]
[White "Garcia, Gildardo"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "2440"]
[PlyCount "87"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. h4 h6 10. h5 Bh7 11. Bd3 Bxd3 12. Qxd3 Qc7 13. Rh4 Nd7 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Ne4 Qc7 17. 0-0-0 0-0-0 18. Qe3 f5 19. Nd2 Nf6 20. Nf3 Ng4 21. Qe2 Rhg8 22. g3 Qa5 23. a3 Qd5 24. Ne5 Nxe5 25. dxe5 Qxd1+ 26. Qxd1 Rxd1+ 27. Kxd1 Kd7 28. Ke2 c5 29. c4 Ke7 30. Rh3 Rg4 31. f4 Rg8 32. Kf3 Rd8 33. Ke2 f6 34. exf6+ Kxf6 35. Rh1 Rd4 36. b3 e5 37. Rd1 a6 38. Rxd4 exd4 39. Kd3 Ke6 40. Kd2 Kd6 41. Kd3 Kc6 42. Kd2 b5 43. Kd3 Kb6 44. Kc2 1/2-1/2

[Event "Tunja"]
[Site "Tunja"]
[Date "1981.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Campos Lopez, Mario"]
[Result "1-0"]
[ECO "C45"]
[BlackElo "2360"]
[PlyCount "51"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8. Be3 Bxe3 9. Qxe3 a6 10. 0-0-0 0-0 11. f4 d6 12. Be2 Qe6 13. g4 f5 14. gxf5 Nxf5 15. Qd2 Nfe7 16. Rhg1 Qh6 17. Rg5 Be6 18. Rdg1 Bxb3 19. axb3 g6 20. f5 Kh8 21. Nd5 Nxd5 22. fxg6 Qg7 23. exd5 Ne7 24. gxh7 Qf6 25. Bd3 Rf7 26. Qg2 1-0

[Event "Tunja"]
[Site "Tunja"]
[Date "1981.??.??"]
[Round "?"]
[White "Gonzalez, Sergio"]
[Black "Ostos, Julio Eduardo"]
[Result "0-1"]
[ECO "C15"]
[BlackElo "2380"]
[PlyCount "76"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. Qd3 Nbd7 8. Bf4 Nxe4 9. Qxe4 Nf6 10. Qf3 c5 11. 0-0-0 Qd5 12. Qe3 Bd7 13. Nc3 Qc6 14. Bb5 Qb6 15. dxc5 Qxc5 16. Bxd7+ Nxd7 17. Qg3 Qf5 18. Kb1 e5 19. Nd5 Bd6 20. Qxg7 0-0-0 21. Be3 Kb8 22. Qh6 f6 23. Qh4 Rc8 24. Rd2 Rc6 25. Nb4 Bxb4 26. Qxb4 Rhc8 27. Rc1 Nc5 28. Rd5 Na6 29. Qd2 Nc7 30. Rd8 Nb5 31. Rxc8+ Rxc8 32. Qa5 a6 33. a4 Nd6 34. Qb4 Nc4 35. Bc5 Qf4 36. Rd1 a5 37. Qb5 Qe4 38. f3 Na3+ 0-1

[Event "Tunja"]
[Site "Tunja"]
[Date "1981.??.??"]
[Round "?"]
[White "Pulido, Joao"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "65"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "COL"]
[EventCategory "6"]
[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 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Bxf6 gxf6 11. Ne3 Qa5 12. Bd3 Ne7 13. 0-0 Bh6 14. Qh5 Bg5 15. g3 Rg8 16. Ned5 Bxd5 17. exd5 Nxd5 18. Bf5 Rd8 19. Be6 Rg7 20. Bxd5 Bd2 21. Ne4 Ke7 22. c4 b5 23. Rfd1 Bg5 24. cxb5 Qxb5 25. h4 Bf4 26. Kh1 Qd7 27. Kh2 Rdg8 28. Rd3 f5 29. Rb3 Rc8 30. Rb7 Rc7 31. Rxc7 Qxc7 32. Qxf5 Qc1 33. Rxc1 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.29"]
[Round "15"]
[White "Alzate, Javier"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2300"]
[PlyCount "75"]
[EventDate "1977.03.12"]
[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 f5 4. 0-0 fxe4 5. Bxc6 bxc6 6. Nxe5 Nf6 7. Nc3 Bd6 8. d4 exd3 9. Re1 0-0 10. Qxd3 Qe8 11. Bf4 Qh5 12. Bg3 a5 13. Qc4+ Kh8 14. Re3 Ba6 15. Qd4 Rab8 16. b3 Rb4 17. Qd2 Qh6 18. a3 Rbb8 19. Qd4 c5 20. Qa4 Bxe5 21. Bxe5 d6 22. Bg3 Rb6 23. Rae1 Bb7 24. h3 Qg6 25. Ne2 Nh5 26. Nf4 Nxf4 27. Qxf4 Kg8 28. Qc4+ d5 29. Qxc5 Rbf6 30. Be5 Rf3 31. Rxf3 Rxf3 32. Qxc7 Bc6 33. Qxg7+ Qxg7 34. Bxg7 Rf7 35. Bh6 Rc7 36. Re3 Bd7 37. Re7 Rc6 38. Rxd7 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.28"]
[Round "14"]
[White "Gonzalez, Sergio"]
[Black "Rodriguez, Mauricio"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "95"]
[EventDate "1977.03.12"]
[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. Nf3 Bg7 4. c3 Nf6 5. Nbd2 0-0 6. Bd3 c5 7. dxc5 dxc5 8. Qc2 Nc6 9. Nf1 Bg4 10. Ne3 Bxf3 11. gxf3 Rc8 12. Be2 Nd4 13. cxd4 cxd4 14. Qb3 dxe3 15. Bxe3 Qc7 16. 0-0 Nh5 17. Rac1 Qd7 18. f4 Nf6 19. e5 Nd5 20. Rcd1 e6 21. Bf3 Rfd8 22. Rd3 Bf8 23. f5 gxf5 24. Bxd5 exd5 25. Bg5 Be7 26. Bxe7 Qxe7 27. Rxd5 Qg5+ 28. Kh1 Rxd5 29. Qxd5 Rc1 30. Rxc1 Qxc1+ 31. Kg2 Qg5+ 32. Kf3 Qg4+ 33. Ke3 f4+ 34. Kd2 Qf5 35. Qxb7 Qxe5 36. Qc8+ Kg7 37. Qc3 Kf6 38. b4 Qxc3+ 39. Kxc3 Ke5 40. f3 Kd5 41. a4 a6 42. Kd3 f6 43. h3 h6 44. h4 h5 45. Kc3 f5 46. Kd3 Kd6 47. Kd4 Kc6 48. Ke5 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.26"]
[Round "13"]
[White "Gonzalez, Sergio"]
[Black "Herrera, Gabriel"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "65"]
[EventDate "1977.03.12"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4 5. a3 N4c6 6. d5 Ne5 7. Bf4 Ng6 8. Bg3 c6 9. Nc3 cxd5 10. Nxd5 e5 11. Bd3 f5 12. Qh5 Nc6 13. Bxf5 Bxf5 14. Qxf5 Nd4 15. Qe4 Bd6 16. Ne2 Nc6 17. 0-0 0-0 18. Rad1 Qa5 19. c5 Be7 20. Qc4 Kh8 21. b4 Qa4 22. Rd2 Nd4 23. Nxd4 exd4 24. Rxd4 a5 25. Nb6 Qc6 26. Nxa8 Rxa8 27. Bd6 Bf6 28. b5 Qe8 29. Re4 Qd7 30. Rfe1 h6 31. Re6 Rc8 32. Qe4 Kh7 33. h4 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.24"]
[Round "12"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Gonzalez, Sergio"]
[Result "1/2-1/2"]
[ECO "C21"]
[WhiteElo "2410"]
[PlyCount "121"]
[EventDate "1977.03.12"]
[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. d4 exd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Be3 Nf6 7. Nf3 Bb4+ 8. Nc3 0-0 9. Be2 Ne4 10. Rc1 Qa5 11. Qc2 Bf5 12. Bd3 Nxc3 13. bxc3 Bxc3+ 14. Qxc3 Bxd3 15. Qxa5 Nxa5 16. Kd2 Bc4 17. Bf4 Rac8 18. Rhe1 Bxa2 19. Rxc7 Bd5 20. Kd3 h6 21. Rc5 Bc4+ 22. Kc3 b6 23. Rxc8 Rxc8 24. Nd2 Bd5+ 25. Kd3 Nc6 26. Rb1 Rd8 27. Be3 Bxg2 28. Rg1 Bh3 29. Bxh6 Rxd4+ 30. Kc3 Rg4 31. Rxg4 Bxg4 32. Be3 Kf8 33. Kc4 Ke8 34. Kb5 Kd7 35. f3 Bf5 36. Ka6 Bd3+ 37. Kb7 Be2 38. h4 b5 39. h5 b4 40. Bc5 Ne5 41. Bxb4 Nxf3 42. Ne4 Ne5 43. Bc3 Bf3 44. Bxe5 Bxe4+ 45. Kxa7 f6 46. Bh2 Ke6 47. Kb6 Kf5 48. Kc5 Kg5 49. Kd4 Bc6 50. Ke3 Kxh5 51. Kf4 Bd7 52. Kg3 Kg5 53. Bg1 Kf5 54. Be3 Ke4 55. Bc1 g5 56. Bd2 Kd3 57. Bb4 f5 58. Be7 f4+ 59. Kf3 Bc6+ 60. Kg4 Ke2 61. Kxg5 1/2-1/2

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.23"]
[Round "11"]
[White "Gonzalez, Sergio"]
[Black "De Greif, Boris"]
[Result "1-0"]
[ECO "B25"]
[BlackElo "2340"]
[PlyCount "61"]
[EventDate "1977.03.12"]
[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. f4 g6 2. Nf3 Bg7 3. e4 c5 4. Nc3 d6 5. g3 Nc6 6. Bg2 f5 7. d3 Nf6 8. 0-0 0-0 9. Kh1 e6 10. Be3 Qa5 11. Nd2 Ng4 12. Bg1 Nd4 13. h3 Nh6 14. Nc4 Qa6 15. a4 Bd7 16. Nb5 Bxb5 17. axb5 Qxb5 18. c3 Nc6 19. Nxd6 Qxb2 20. Bxc5 Rfb8 21. Ra3 b6 22. Rf2 bxc5 23. Rxb2 Rxb2 24. Rb3 Rb8 25. Rxb2 Rxb2 26. exf5 Rxg2 27. Kxg2 Nxf5 28. Nxf5 gxf5 29. Qa4 Ne7 30. Qxa7 Nd5 31. Qd7 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.22"]
[Round "10"]
[White "Henao, Raul Fernando"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2290"]
[PlyCount "67"]
[EventDate "1977.03.12"]
[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 f5 4. Nc3 Nf6 5. exf5 Nd4 6. Nxd4 exd4 7. Ne2 Bc5 8. b4 Bxb4 9. Nxd4 0-0 10. 0-0 c6 11. Be2 c5 12. Rb1 Ba5 13. Nf3 d5 14. Ba3 Ne4 15. c4 d4 16. Bd3 Bxf5 17. Qc2 Ng5 18. Nxg5 Qxg5 19. Rxb7 Bxd2 20. Bxc5 Bh3 21. Be4 Qxc5 22. Bd5+ Kh8 23. Qxd2 Bf5 24. Rb5 Qc8 25. Bxa8 Qxa8 26. Qxd4 a6 27. Rd5 Be6 28. Rd6 Qc8 29. c5 Bxa2 30. Rd1 Kg8 31. Rd7 Bf7 32. Rd8 Qc7 33. Qd6 Qxd6 34. R1xd6 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.21"]
[Round "9"]
[White "Gonzalez, Sergio"]
[Black "Agudelo, Antonio"]
[Result "1/2-1/2"]
[ECO "C00"]
[BlackElo "2300"]
[PlyCount "50"]
[EventDate "1977.03.12"]
[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. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. c3 dxc3 6. bxc3 Nc6 7. Ng3 Nf6 8. Bb5 Bd7 9. 0-0 Qa5 10. a4 a6 11. Bxc6 Bxc6 12. Ne5 Qc7 13. d4 Bxe4 14. Nxe4 Nxe4 15. Qf3 Nf6 16. Bf4 Bd6 17. Rab1 Rb8 18. Rfe1 0-0 19. a5 Nd5 20. dxc5 Bxc5 21. Bg3 Bd6 22. c4 Nf6 23. Rbd1 Rbd8 24. Rb1 Rb8 25. Rbd1 Rbd8 1/2-1/2

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.20"]
[Round "8"]
[White "Cuartas, Carlos Enrique"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2440"]
[PlyCount "58"]
[EventDate "1977.03.12"]
[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. Nc3 Nf6 3. Bg5 Nbd7 4. e3 e6 5. Nf3 Be7 6. Bd3 c5 7. Ne5 Nxe5 8. dxe5 Nd7 9. Bf4 a6 10. Qg4 g5 11. h4 h5 12. Qg3 gxf4 13. Qg7 Rf8 14. exf4 Qa5 15. 0-0-0 c4 16. Be2 Bb4 17. Rh3 Nc5 18. Bxh5 Bxc3 19. Rxc3 Na4 20. Rxc4 Nxb2 21. Rxd5 Qxd5 22. Rc3 Qxa2 23. Kd2 Qa5 24. f5 Nc4+ 25. Kd1 Qxc3 26. Bxf7+ Rxf7 27. Qg8+ Rf8 28. Qg6+ Kd8 29. Qg5+ Kc7 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.19"]
[Round "7"]
[White "Gonzalez, Sergio"]
[Black "Garcia, Gildardo"]
[Result "0-1"]
[ECO "A42"]
[BlackElo "2340"]
[PlyCount "56"]
[EventDate "1977.03.12"]
[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 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 e5 6. d5 Nd4 7. Bd3 Ne7 8. Nge2 c5 9. dxc6 bxc6 10. 0-0 0-0 11. c5 d5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. b4 Bg4 15. f3 Bxf3 16. Rxf3 Nxf3+ 17. gxf3 Qxf3 18. Bf2 Rad8 19. Nd4 Qd5 20. Nxc6 Qxc6 21. Qe2 Rxd3 22. Qxd3 e4 23. Qd1 Bxa1 24. Qxa1 Rd8 25. Bh4 Rd5 26. Qc3 Qe6 27. c6 Qg4+ 28. Bg3 Rd1+ 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.17"]
[Round "6"]
[White "Silva Morales, Marco Antonio"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "C73"]
[PlyCount "72"]
[EventDate "1977.03.12"]
[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 f6 7. Nc3 Bd7 8. Qd3 Ne7 9. Qc4 Ng6 10. h4 h5 11. Be3 Be7 12. 0-0-0 a5 13. dxe5 fxe5 14. Ng5 Bxg5 15. Bxg5 Qb8 16. a3 Qb7 17. Rd3 Nf8 18. f4 Be6 19. Qa4 Nd7 20. b4 Nb6 21. Qxa5 Rxa5 22. bxa5 Nc4 23. Nd1 0-0 24. f5 Bf7 25. Rb3 Qa7 26. Rhh3 Rb8 27. Rxb8+ Qxb8 28. Rg3 Kh7 29. f6 g6 30. Rd3 Qb5 31. Bd2 Nxd2 32. Kxd2 Qxa5+ 33. Rc3 d5 34. Kc1 d4 35. Rxc6 Qxa3+ 36. Kd2 Qa4 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.16"]
[Round "5"]
[White "Gonzalez, Sergio"]
[Black "Garcia, Luis E"]
[Result "1/2-1/2"]
[ECO "B31"]
[BlackElo "2330"]
[PlyCount "170"]
[EventDate "1977.03.12"]
[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. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne8 10. Nc3 Bg4 11. Bxc6 bxc6 12. h3 Bxf3 13. Qxf3 Nc7 14. Na4 Ne6 15. Qc3 Rc8 16. Be3 Bxe5 17. dxe5 d4 18. Bxd4 Qxd4 19. Qxd4 Nxd4 20. Rac1 Rfd8 21. Nc5 Rb8 22. b3 Rd5 23. f4 h5 24. Kf2 h4 25. Rc4 a5 26. Rec1 Rbd8 27. Ne4 Kg7 28. Nc3 R5d7 29. Rd1 Ne6 30. Rxd7 Rxd7 31. Ke3 c5 32. Ne4 Rc7 33. Ra4 Ra7 34. Nd2 Nd8 35. Nf3 f6 36. Nxh4 Ra6 37. Nf3 Kf7 38. g4 Ke6 39. Nh4 g5 40. fxg5 fxg5 41. Nf3 Nf7 42. Ke4 Rb6 43. Rxa5 Rb4+ 44. Ke3 Kd5 45. e6 Re4+ 46. Kd3 Rf4 47. exf7 Rxf3+ 48. Ke2 Rxf7 49. b4 Kd4 50. bxc5 e5 51. c6 Rc7 52. Ra6 Rh7 53. Ra3 e4 54. Kd2 Rf7 55. Ra4+ Kd5 56. Ra5+ Kd4 57. Ra4+ Kd5 58. Ke2 Rh7 59. Ra5+ Kxc6 60. Rxg5 Rxh3 61. a4 e3 62. a5 Rg3 63. a6 Kb6 64. Rg6+ Ka7 65. g5 Ka8 66. Rg7 Kb8 67. g6 Ka8 68. Kd3 Kb8 69. Ke2 Ka8 70. Kf1 Kb8 71. Ke1 Ka8 72. Ke2 Kb8 73. Rb7+ Ka8 74. g7 Rg2+ 75. Kxe3 Rg3+ 76. Ke4 Rg4+ 77. Kf5 Rg5+ 78. Ke6 Rg6+ 79. Kd5 Rg5+ 80. Kc6 Rg6+ 81. Kb5 Rg5+ 82. Kb6 Rg6+ 83. Ka5 Rg5+ 84. Rb5 Rxg7 85. Rc5 Rg6 1/2-1/2

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.15"]
[Round "4"]
[White "Zapata, Alonso"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "C71"]
[WhiteElo "1900"]
[PlyCount "62"]
[EventDate "1977.03.12"]
[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. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. c3 dxc3 9. Nxc3 Nf6 10. 0-0 Be7 11. Bf4 0-0 12. Rc1 Be6 13. Nd5 Nxe4 14. Re1 Nc5 15. Bc2 Bg5 16. Bxg5 Qxg5 17. Nxc7 Rad8 18. b4 Bg4 19. f3 Bh3 20. g4 Ne6 21. Nd5 h5 22. Re4 Rde8 23. Bb3 hxg4 24. f4 Qg6 25. Qe2 Nxf4 26. Rxe8 Nxe2+ 27. Rxe2 Qd3 28. Re3 Qd2 29. Rc2 Qd1+ 30. Kf2 Qf1+ 31. Kg3 g5 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.14"]
[Round "3"]
[White "Gonzalez, Sergio"]
[Black "Minaya Molano, Juan M"]
[Result "0-1"]
[ECO "A02"]
[BlackElo "2355"]
[PlyCount "80"]
[EventDate "1977.03.12"]
[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. f4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. d3 d5 6. c3 Nc6 7. 0-0 Qd6 8. Qc2 0-0 9. e4 dxe4 10. dxe4 e5 11. Na3 Qe7 12. Nh4 exf4 13. Bxf4 Nh5 14. Be3 Ne5 15. Qf2 b6 16. h3 Ba6 17. g4 Bxf1 18. Rxf1 Nd3 19. Qd2 Nhf4 20. Bxf4 Nxf4 21. Qxf4 Qxh4 22. e5 Rae8 23. Nc4 b5 24. Bc6 Re7 25. Bxb5 Qxh3 26. Rf3 Qh4 27. Kg2 Rd8 28. Ba4 h5 29. gxh5 Qxh5 30. Bb3 Bxe5 31. Nxe5 Qxe5 32. Bxf7+ Kg7 33. Qxe5+ Rxe5 34. Bc4 Rd2+ 35. Kg3 Rg5+ 36. Kh3 Rf5 37. Re3 Rxb2 38. Re7+ Kh6 39. Rxa7 Rf3+ 40. Kg4 Rxc3 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.13"]
[Round "2"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Gonzalez, Sergio"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "70"]
[EventDate "1977.03.12"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nc6 7. 0-0 Nf6 8. Be3 d6 9. a4 Na5 10. Qd3 e5 11. Nb3 Be6 12. Nd5 Bxd5 13. exd5 Rc8 14. Nxa5 Qxa5 15. c4 Be7 16. b4 Qd8 17. a5 0-0 18. Rfb1 Nd7 19. Bg4 e4 20. Qxe4 Nf6 21. Qf4 Nxg4 22. Qxg4 f5 23. Qe2 Bf6 24. Ra3 Re8 25. Qd3 Re4 26. c5 Qe8 27. g3 h5 28. Kg2 h4 29. Qd1 Qg6 30. c6 f4 31. cxb7 Rb8 32. Bb6 Rxb7 33. b5 Qf5 34. bxa6 h3+ 35. Kf1 Rbe7 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.12"]
[Round "1"]
[White "Gonzalez, Sergio"]
[Black "Gomez, Frank"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "188"]
[EventDate "1977.03.12"]
[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 e6 4. 0-0 Nge7 5. Re1 a6 6. Bxc6 Nxc6 7. b3 Be7 8. Bb2 0-0 9. d4 cxd4 10. Nxd4 d6 11. Nd2 Nxd4 12. Bxd4 e5 13. Bb2 f5 14. Nc4 Be6 15. exf5 Rxf5 16. Ne3 Rg5 17. Nd5 Bh3 18. g3 Bf8 19. Qd2 Bg4 20. f4 Rh5 21. Qf2 e4 22. Qd4 Bf3 23. Rxe4 Bxe4 24. Qxe4 Qe8 25. Qf3 Qf7 26. c4 Re8 27. g4 Rh6 28. f5 Rhe6 29. Rf1 Re2 30. Rf2 Rxf2 31. Kxf2 b5 32. h4 bxc4 33. bxc4 Rb8 34. Bd4 Rc8 35. Qd3 h6 36. Kg3 Qe8 37. f6 Qe1+ 38. Kh3 Re8 39. Qf3 Re6 40. Ne3 gxf6 41. Qd5 Kf7 42. a3 Qb1 43. Kg3 Qe4 44. a4 Qxd5 45. cxd5 Re4 46. Nc2 Re2 47. Nb4 a5 48. Kf3 Rh2 49. Kg3 Rd2 50. Nc6 h5 51. gxh5 Bh6 52. Bb6 Rxd5 53. Bxa5 Rc5 54. Nd8+ Ke7 55. Nb7 Rc4 56. Bd8+ Ke6 57. a5 Ra4 58. Bb6 f5 59. Nd8+ Kf6 60. Nc6 Bf4+ 61. Kf3 Be5 62. Bd8+ Kg7 63. Ne7 Kf7 64. Nc6 Ra3+ 65. Kg2 Rc3 66. Nb4 f4 67. Bb6 f3+ 68. Kf2 Bf6 69. Be3 Bxh4+ 70. Kxf3 Bg5 71. Nd5 Ra3 72. a6 Bxe3 73. Nxe3 Rxa6 74. Kf4 Ra4+ 75. Kg5 Ra5+ 76. Kg4 Kf6 77. h6 Kg6 78. Kf4 Ra4+ 79. Kg3 Re4 80. Ng4 Kg5 81. Nf2 Re3+ 82. Kg2 Re7 83. h7 Rxh7 84. Ne4+ Kf4 85. Nxd6 Rc7 86. Nb5 Rc2+ 87. Kf1 Ke3 88. Nd6 Kf3 89. Ke1 Rc5 90. Nf7 Rf5 91. Nh8 Rf6 92. Kd2 Kf4 93. Kd3 Kf5 94. Kd4 Rf8 0-1

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "3.6"]
[White "Gonzalez, Sergio"]
[Black "Al Atar, S Salim"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "102"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Iraq"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "IRQ"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d4 exd4 7. cxd4 Nxd4 8. Nxd4 cxd4 9. e5 Qb6 10. Na3 Bf8 11. Qb3 Bxa3 12. bxa3 Ne7 13. Bg5 Nc6 14. Bf6 0-0 15. Rab1 Re8 16. Qg3 Qc5 17. Rfe1 d5 18. exd6 Bd7 19. Bd3 b6 20. Qf4 Qh5 21. Be7 Nxe7 22. dxe7 Qc5 23. Re5 Qd6 24. Rbe1 Rxe7 25. Bc4 Be6 26. Qf6 Rc8 27. Bd3 Rc5 28. h4 Rxe5 29. Rxe5 Rc7 30. h5 Qe7 31. Qf4 Qxa3 32. hxg6 Qc1+ 33. Qxc1 Rxc1+ 34. Kh2 hxg6 35. a4 Ra1 36. Bb5 Kf8 37. Kg3 Ke7 38. Re4 Rd1 39. Kf3 Rd2 40. Re2 Rxe2 41. Kxe2 Kd6 42. Kd3 Kc5 43. f3 Bf5+ 44. Kd2 g5 45. g3 Bc8 46. Be8 f6 47. Bb5 Bb7 48. f4 Bc6 49. Kd3 Bxb5+ 50. axb5 gxf4 51. gxf4 f5 0-1

[Event "WchT Students 21st final B"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "2.10"]
[White "Gonzalez, Sergio"]
[Black "Al Atar, S Salim"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "146"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Iraq"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "IRQ"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bg4 5. h3 Bh5 6. c3 e6 7. d4 cxd4 8. cxd4 a6 9. Bxc6+ bxc6 10. Be3 Nf6 11. Nbd2 Be7 12. Qa4 Qd7 13. Rfc1 Bxf3 14. gxf3 c5 15. Qxd7+ Nxd7 16. dxc5 Nxc5 17. Bxc5 dxc5 18. Rc4 Rb8 19. Nb3 0-0 20. Rd1 Rb4 21. Rxb4 cxb4 22. Rd7 Bf6 23. Rb7 Bxb2 24. Rxb4 g6 25. Rb6 Ra8 26. Nc5 Rc8 27. Nxa6 Rc1+ 28. Kg2 Rc2 29. Nb4 Rd2 30. a4 Bd4 31. Rd6 Rxf2+ 32. Kg3 Rd2 33. Rd8+ Kg7 34. Nc6 Bf2+ 35. Kg2 Ra2 36. Kf1 Bh4 37. Rd4 Rf2+ 38. Kg1 Rxf3 39. e5 Bg5 40. Kg2 Rc3 41. Rd6 Ra3 42. a5 Ra2+ 43. Kf3 Bd2 44. Rd7 Bxa5 45. Ra7 Ra3+ 46. Ke4 Bb4 47. Rb7 Bc5 48. Nd8 Re3+ 49. Kf4 g5+ 50. Kxg5 Rxe5+ 51. Kg4 h5+ 52. Kg3 Rg5+ 53. Kh2 Kg6 54. Rxf7 Rd5 55. Rf3 Rxd8 56. Rc3 Rd5 57. Kg2 Kf5 58. Rc4 e5 59. Rh4 Kg5 60. Rc4 Rd2+ 61. Kf3 Rd3+ 62. Ke2 Re3+ 63. Kf1 Bd4 64. Kg2 Kh4 65. Rc8 Rg3+ 66. Kh2 Rxh3+ 67. Kg2 Rg3+ 68. Kh2 Rc3 69. Rg8 Rc2+ 70. Kh1 Rc1+ 71. Kh2 Be3 72. Rg7 Rc2+ 73. Kh1 Bf4 0-1

[Event "WchT Students 21st final B"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "6.6"]
[White "Gonzalez, Sergio"]
[Black "Estrada, Antonio"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "74"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "MEX"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. a4 c6 8. Qe2 Qc7 9. Rd1 Nb6 10. Ba2 Bg4 11. dxe5 dxe5 12. h3 Bh5 13. Bg5 Rad8 14. g4 Bg6 15. Nh4 Nxe4 16. Nxg6 Nxg5 17. Nxf8 Nxh3+ 18. Kh2 Nf4 19. Rxd8 Qxd8 20. Qe4 Bxf8 21. Kg3 g6 22. Rd1 Qf6 23. Qf3 Be7 24. Kh2 Nbd5 25. Kg1 Nxc3 26. bxc3 e4 27. Qe3 Qg5 28. Kf1 Qxg4 29. Rd4 Qg2+ 30. Ke1 Qg1+ 31. Kd2 Bg5 32. Bxf7+ Kxf7 33. Qxe4 Qxf2+ 34. Kc1 Ne6+ 35. Kb2 Nxd4 36. cxd4 Bf6 37. Kb3 Qxd4 0-1

[Event "WchT Students 21st Group1"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "5.6"]
[White "Gonzalez, Sergio"]
[Black "Huss, Andreas"]
[Result "0-1"]
[ECO "C09"]
[PlyCount "110"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "SUI"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. Bg5 0-0 11. c3 Bg4 12. Bh4 Qb6 13. Be2 Nf5 14. Qxd5 Nxh4 15. Qxd6 Bxf3 16. Bxf3 Nxf3+ 17. gxf3 Rad8 18. Qf4 Ne7 19. Rad1 Ng6 20. Qe3 Qf6 21. Rxd8 Rxd8 22. Nd4 h6 23. Kh1 Rd5 24. Rg1 Re5 25. Qd2 Rh5 26. Rg4 Qa6 27. Qe2 Qxa2 28. f4 Qd5+ 29. f3 Qd6 30. f5 Ne7 31. f4 Nxf5 32. Rg2 Qd5 33. Qg4 g6 34. c4 Ng3+ 35. Qxg3 Qxd4 36. Qf3 Rf5 37. Qxb7 Rxf4 38. Qb8+ Kg7 39. h3 Qxc4 40. Qe5+ Kh7 41. Re2 Rf1+ 42. Kg2 Qf4 43. Qd5 Qf5 44. Qxf5 Rxf5 45. b4 Kg7 46. Kg3 Rb5 47. Re4 g5 48. Rc4 Kg6 49. Rc7 Rxb4 50. Rxa7 Rb3+ 51. Kg2 f5 52. Ra6+ Kh5 53. Rf6 f4 54. Kh2 Rb2+ 55. Kg1 Kh4 0-1

[Event "WchT Students 21st final B"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "4.10"]
[White "Gonzalez, Sergio"]
[Black "Nieves, Kamalakanta Ivan"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2250"]
[PlyCount "114"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "PUR"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7 4. 0-0 a6 5. Bxc6 dxc6 6. h3 e5 7. d3 Ne7 8. Nbd2 Ng6 9. b3 Be7 10. Nc4 Be6 11. Ne3 Qd7 12. Qe1 f6 13. Kh2 Nf4 14. Nf5 Bxf5 15. Bxf4 Bxh3 16. gxh3 exf4 17. Rg1 0-0 18. Nh4 f5 19. Nxf5 Bf6 20. Rd1 Kh8 21. f3 g6 22. Nh6 Qe7 23. Ng4 Bd4 24. Rg2 h5 25. Nf2 Qe5 26. Qg1 Kh7 27. Rg5 Qe7 28. Rf1 Rg8 29. e5 Raf8 30. Qg2 Bxf2 31. Rxf2 Rf5 32. h4 Rxe5 33. Rxe5 Qxe5 34. Re2 Qf6 35. Qg5 Qxg5 36. hxg5 Rg7 37. Re5 Rd7 38. Rxc5 Rd5 39. Rxd5 cxd5 40. c4 dxc4 41. bxc4 Kg7 42. d4 Kf7 43. a4 b6 44. Kg2 Ke6 45. Kf2 Kd6 46. Ke2 Kc6 47. Kd3 h4 48. Ke2 b5 49. d5+ Kc5 50. cxb5 axb5 51. d6 Kxd6 52. axb5 Kc5 53. Kf2 Kxb5 54. Kg2 Kc4 55. Kh3 Kd3 56. Kxh4 Ke2 57. Kg4 Ke3 0-1

[Event "WchT Students 21st final B"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "1.9"]
[White "Gonzalez, Sergio"]
[Black "Vaglio Munoz, Jaime"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "58"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "CRI"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. 0-0 Ne7 5. c4 0-0 6. Nc3 c6 7. d4 d6 8. e3 Bg4 9. h3 Bxf3 10. Bxf3 f5 11. Bg2 Kh8 12. Rb1 Nd7 13. b4 Nb6 14. Qd3 e4 15. Qc2 Nxc4 16. Nxe4 fxe4 17. Qxc4 d5 18. Qe2 Qd7 19. b5 Rf7 20. Ba3 cxb5 21. Qxb5 Nc6 22. Rfc1 Bf8 23. Bc5 a6 24. Qe2 Bxc5 25. Rxc5 Raf8 26. Qg4 Qd6 27. Rb2 Ne5 28. Qg5 Rf5 29. Qh6 Rh5 1/2-1/2

[Event "WchT Students 21st final B"]
[Site "Caracas"]
[Date "1976.??.??"]
[Round "5.10"]
[White "Gudmundsson, Kristjan"]
[Black "Gonzalez, Sergio"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "118"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Iceland"]
[BlackTeam "Columbia"]
[WhiteTeamCountry "ISL"]
[BlackTeamCountry "COL"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Be2 Nf6 5. Nbd2 0-0 6. 0-0 Bg4 7. Re1 Bxf3 8. Bxf3 e5 9. c3 Nc6 10. Nc4 Nd7 11. dxe5 Ncxe5 12. Nxe5 dxe5 13. Be3 Qe7 14. a4 Rfe8 15. a5 Nf8 16. a6 b6 17. b4 Rad8 18. Qb3 Ne6 19. Be2 Rd6 20. Red1 Red8 21. Rxd6 Rxd6 22. Rd1 Bf6 23. Rxd6 Qxd6 24. Bc4 Be7 25. Bd5 Kg7 26. Kf1 Bg5 27. Ke2 Bxe3 28. Kxe3 Nd8 29. Ke2 c6 30. Bc4 b5 31. Bd3 Qd7 32. Qc2 Ne6 33. Ke1 Qc8 34. Qa2 Nc7 35. c4 Qxa6 36. Qxa6 Nxa6 37. cxb5 cxb5 38. Bxb5 Nxb4 39. Kd2 f5 40. Kc3 a5 41. exf5 gxf5 42. f3 Kf6 43. Bd7 Nd5+ 44. Kb3 Ne3 45. g4 fxg4 46. fxg4 Kg5 47. h3 Nd5 48. Bf5 h6 49. Ka4 Nf4 50. Kxa5 Nxh3 51. Kb4 h5 52. Kc3 hxg4 53. Bd7 Kf4 54. Kd3 e4+ 55. Ke2 Ng5 56. Bc6 Nf3 57. Bd7 Nd4+ 58. Kf2 e3+ 59. Kf1 e2+ 0-1

