[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Abarca, Ivan"]
[Black "Herrera, Sergio"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "160"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 e6 3. Bg2 Nf6 4. 0-0 Be7 5. Ne5 Nbd7 6. d4 c5 7. c3 Qc7 8. f4 0-0 9. a4 b6 10. Na3 a6 11. Kh1 Bb7 12. Be3 Ne4 13. Qb3 c4 14. Qc2 Nd6 15. Bh3 Rac8 16. g4 f6 17. Nf3 Ne4 18. g5 f5 19. Qc1 g6 20. Qe1 Rf7 21. Bg2 Kf8 22. h4 Kg7 23. Nc2 Rh8 24. Bh3 h6 25. Kg2 h5 26. Qc1 Bd6 27. Ne5 Rff8 28. Ne1 Bxe5 29. fxe5 Rf7 30. Kh2 Rhf8 31. Ng2 Re8 32. Nf4 a5 33. Bg2 Rff8 34. Bf3 Rf7 35. Qd1 Qc6 36. Bc1 Nf8 37. e3 Rc8 38. Bxh5 gxh5 39. Qxh5 Qd7 40. Qh6+ Kg8 41. g6 Rg7 42. h5 Qe7 43. Ng2 Qg5 44. Qxg5 Nxg5 45. e4 Nxe4 46. Nh4 Re7 47. Bh6 Bc6 48. Rf3 Be8 49. Rg1 Nd7 50. Be3 Nf8 51. h6 Bxg6 52. Nxg6 Nxg6 53. Rxg6+ Kh8 54. Kh3 Rg8 55. Rxg8+ Kxg8 56. Kh4 Kh7 57. Kh5 Re8 58. Bf4 Rg8 59. Kh4 Rg4+ 60. Kh3 Ng5+ 61. Bxg5 Rxg5 62. Rf1 Kxh6 63. b3 cxb3 64. Rb1 Rg7 65. Rxb3 Rb7 66. Kh4 Kg6 67. Kg3 Kg5 68. Rb1 f4+ 69. Kf3 Kf5 70. Rh1 Rg7 71. Rh6 Rg3+ 72. Kf2 Rg6 73. Rh4 Rg4 74. Rh8 Ke4 75. Rh6 Kf5 76. Rf6+ Ke4 77. Rxe6 f3 78. Rf6 Rg2+ 79. Kf1 Rc2 80. e6 Ke3 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Alcota Rojas, Hector"]
[Black "Herrera, Sergio"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "35"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Nf3 Bb4 7. Bd3 Nc6 8. 0-0 Bxc3 9. bxc3 Qd6 10. a4 Bd7 11. Ba3 Qf4 12. Re1 0-0-0 13. Qc2 Na5 14. Ne5 Bc6 15. g3 Qh6 16. Nxf7 Qh3 17. Rxe6 dxc4 18. Rxc6+ 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Godoy Bugueno, David A"]
[Black "Herrera, Sergio"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2340"]
[PlyCount "63"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. h4 h6 8. Ne5 Ne7 9. Nxg6 Nxg6 10. h5 Ne7 11. c3 Nd5 12. Bd3 Nd7 13. Qe2 Qc7 14. Qf3 N7f6 15. Bd2 0-0-0 16. 0-0-0 Bd6 17. Ne2 c5 18. c4 cxd4 19. Nxd4 a6 20. Kb1 Nb4 21. Be2 Bc5 22. Bc3 Bxd4 23. Bxd4 Ne8 24. Qe3 Nc6 25. Bb6 Rxd1+ 26. Rxd1 Qh2 27. Bf3 Nc7 28. g3 Qh3 29. Bxc6 bxc6 30. Bxc7 Kxc7 31. Qa7+ Kc8 32. Qa8+ 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Gonzalez de la Vega, Hugo"]
[Black "Herrera, Sergio"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "93"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. c4 e6 6. a3 Be7 7. Nc3 a6 8. c5 Nc6 9. Bf4 Ne4 10. Rc1 Bf6 11. Be2 0-0 12. 0-0 Re8 13. Be5 Be7 14. b4 f6 15. Bg3 Bf8 16. Qb3 Nxc3 17. Qxc3 Kh8 18. Ra1 e5 19. Bd1 e4 20. Nd2 f5 21. Bc2 Qf6 22. Bc7 Nxd4 23. Kh1 Nxc2 24. Qxc2 g6 25. Rac1 Bd7 26. Rfd1 Bg7 27. h3 Rac8 28. Bd6 Re6 29. Qb3 Qg5 30. Qxd5 Rce8 31. Qxb7 Bc8 32. Qd5 Bb2 33. Rb1 Be5 34. Nc4 Bg7 35. a4 Qh4 36. Bg3 Qe7 37. Nd6 Rf8 38. Nxc8 Rxc8 39. Qd7 Qxd7 40. Rxd7 g5 41. Bd6 f4 42. Re7 Re8 43. Rxe8+ Rxe8 44. b5 axb5 45. axb5 Bd4 46. b6 e3 47. fxe3 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Hernandez, Juan"]
[Black "Herrera, Sergio"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2235"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Nbd7 5. Qc2 Be7 6. Bg2 c5 7. 0-0 0-0 8. cxd5 exd5 9. Nc3 c4 10. b3 Nb6 11. Ne5 Be6 12. bxc4 Nxc4 13. Nxc4 dxc4 14. d5 Bg4 15. e4 Nd7 16. f4 f6 17. Rb1 Bc5+ 18. Kh1 Bb6 19. Ba3 Re8 20. Nb5 c3 21. Nd6 Qc7 22. Rfc1 Rec8 23. Rb3 Bc5 24. Nxc8 Rxc8 25. Bxc5 Nxc5 26. Rxc3 b6 27. h3 Bh5 28. Qd2 Qd6 29. Qd4 Re8 30. Re3 Qd7 31. e5 f5 32. Rec3 Ne4 33. Bxe4 fxe4 34. e6 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Herrera, Sergio"]
[Black "Rodriguez, Pablo"]
[Result "1/2-1/2"]
[ECO "E92"]
[BlackElo "2095"]
[PlyCount "45"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bd2 Na6 10. Qc1 Nc5 11. Qc2 Bd7 12. Be3 b6 13. h3 Nh5 14. Qd2 Kh7 15. Nh2 Nf6 16. Qc2 Ng8 17. g4 f5 18. 0-0-0 f4 19. Bxc5 bxc5 20. Nf3 Rb8 21. Rdg1 Ne7 22. h4 c6 23. Bd3 1/2-1/2

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Herrera, Sergio"]
[Black "Sepulveda, Luis"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "2260"]
[PlyCount "116"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 g6 5. Bb2 Bg7 6. Nf3 0-0 7. Nbd2 bxc4 8. bxc4 d6 9. e4 Qa5 10. Qc2 Nxe4 11. Bxg7 Nxd2 12. Bc3 Nxf3+ 13. gxf3 Bf5 14. Qd2 Qc7 15. Qh6 f6 16. h4 e5 17. dxe6 Re8 18. Kd2 Rxe6 19. Qf4 Nc6 20. h5 Ne5 21. hxg6 hxg6 22. Be2 d5 23. cxd5 Rd8 24. Bc4 Nxc4+ 25. Qxc4 Qb7 26. Qh4 Rxd5+ 27. Kc1 Qg7 28. Qf4 Rb6 29. Qa4 Rd7 30. Qc4+ Be6 31. Qf4 Bf5 32. Qc4+ Qf7 33. Qh4 Qh7 34. Qc4+ Qf7 35. Qh4 Qh7 36. Qc4+ Qf7 37. Qf4 Qxa2 38. Qxf5 Qxa1+ 39. Bxa1 gxf5 40. Kc2 Kf7 41. Bc3 c4 42. f4 Ke6 43. Re1+ Kd5 44. Rd1+ Kc6 45. Re1 Kb7 46. Ra1 Rd3 47. Bd2 Rdb3 48. Be3 Ra6 49. Rxa6 Kxa6 50. Bd4 Rf3 51. Be3 Rxe3 52. fxe3 Kb5 53. Kc3 Kc5 54. Kc2 Kd5 55. Kc3 a5 56. Kc2 Ke4 57. Kc3 Kxe3 58. Kxc4 Kxf4 0-1

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Herrera, Sergio"]
[Black "Sepulveda Herrera, Job Rodrigo"]
[Result "0-1"]
[ECO "E90"]
[BlackElo "2205"]
[PlyCount "108"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 h6 5. Bh4 0-0 6. Nf3 d6 7. e4 Nc6 8. Be2 a6 9. d5 Nb8 10. a4 Nbd7 11. 0-0 c5 12. Rc1 Rb8 13. Qc2 Nh5 14. Bg3 Nxg3 15. fxg3 Ne5 16. Nxe5 Bxe5 17. Qd2 Kg7 18. Bd3 Qa5 19. Qd1 Bd7 20. Bb1 Qb4 21. Bd3 Qxb2 22. Ne2 Qb4 23. Rb1 Bxa4 24. Rxb4 Bxd1 25. Rb6 Bxe2 26. Bxe2 Bd4+ 27. Kh1 Bc3 28. Rfb1 Bb4 29. g4 f6 30. Bd3 g5 31. Bc2 Kf7 32. Ra1 Rfd8 33. Ba4 Kg6 34. Bd1 Kf7 35. Ba4 e6 36. Rd1 Ba5 37. Rbb1 Bb4 38. dxe6+ Kxe6 39. Rd5 Ke7 40. Rbd1 b5 41. Bb3 bxc4 42. Bxc4 a5 43. Rf5 Bc3 44. Rf3 Be5 45. Ra3 Rb4 46. Bd5 Rdb8 47. g3 a4 48. Kg2 Bb2 49. Rad3 c4 50. Bxc4 Rxc4 51. Rxd6 Rc2+ 52. Kh3 Rc7 53. Ra6 a3 54. Rb1 Rc1 0-1

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Troncoso, Pedro"]
[Black "Herrera, Sergio"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "63"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h6 7. e6 fxe6 8. Nh3 Qd6 9. Nf4 Bf7 10. Bd3 e5 11. dxe5 Qxe5+ 12. Kf2 Qd6 13. h5 e5 14. Ng6 Bxg6 15. Bxg6+ Kd7 16. b3 Be7 17. Ba3 Qf6 18. Bb2 Bc5+ 19. Kg2 Kc7 20. Re1 Nd7 21. Bf5 Bd6 22. c4 Ne7 23. Bc2 Rhf8 24. Nc3 Bb4 25. cxd5 Nxd5 26. Nxd5+ cxd5 27. Qxd5 Bxe1 28. Be4 Rab8 29. Rxe1 Rfe8 30. Bf5 Rbd8 31. Rc1+ Kb8 32. Bxd7 1/2-1/2

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1993.??.??"]
[Round "3"]
[White "Rodriguez, Manuel"]
[Black "Herrera, Sergio"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "53"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[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 d6 5. Nc3 Nf6 6. Bc4 g6 7. Be3 Bg7 8. f3 0-0 9. Qd2 Re8 10. 0-0-0 Bd7 11. g4 a6 12. h4 b5 13. Nxc6 Bxc6 14. Bb3 a5 15. h5 a4 16. Bd5 Nxd5 17. exd5 Bd7 18. hxg6 fxg6 19. Bd4 Bxd4 20. Qxd4 e5 21. dxe6 Rxe6 22. Ne4 Bc6 23. Rxh7 Re5 24. Rdh1 Be8 25. Rh8+ Kf7 26. R1h7+ Ke6 27. Rxe8+ 1-0

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Araneda, Jose"]
[Black "Herrera, Sergio"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "62"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qd1 Bc5 5. Bc4 Qh4 6. g3 Qxe4+ 7. Qe2 Nf6 8. Nd2 Qxe2+ 9. Nxe2 0-0 10. 0-0 d5 11. Bd3 Bh3 12. Re1 Ng4 13. Rf1 Bxf1 14. Nxf1 Nxf2 15. Kg2 Nxd3 16. cxd3 Rae8 17. Nc3 Nb4 18. Bg5 c6 19. Rd1 d4 20. Ne4 Nxd3 21. Bf6 Rxe4 22. Rxd3 gxf6 23. Nd2 Re2+ 24. Kf1 Rfe8 25. Nf3 R2e3 26. Rxe3 Rxe3 27. Nd2 b5 28. a3 f5 29. b4 Bd6 30. a4 Bxb4 31. Nb3 Rxb3 0-1

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Herrera, Sergio"]
[Black "Gonzalez, Victor"]
[Result "1/2-1/2"]
[ECO "D60"]
[PlyCount "69"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Nbd7 8. Bd3 c5 9. 0-0 cxd4 10. exd4 Qc7 11. cxd5 exd5 12. Rc1 Qd8 13. Bb1 Re8 14. Qd3 Nf8 15. Ne5 Be6 16. f4 a6 17. a4 Bc8 18. Rf3 Nh5 19. Bxe7 Rxe7 20. f5 Nf6 21. Rcf1 N8h7 22. h4 Nf8 23. Rg3 b6 24. Nc6 Qc7 25. Nxe7+ Qxe7 26. Qd2 Kh8 27. Re1 Qd6 28. Qf2 Bb7 29. Ree3 N8d7 30. Bd3 Rf8 31. Re1 Nh5 32. Rge3 Nhf6 33. Rg3 Nh5 34. Rge3 Nhf6 35. Rg3 1/2-1/2

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Herrera, Sergio"]
[Black "Moncada, Manuel"]
[Result "1-0"]
[ECO "E00"]
[PlyCount "47"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Bb4+ 4. Bd2 Qe7 5. Nc3 b6 6. Nf3 Bb7 7. e3 0-0 8. Bd3 Bxc3 9. Bxc3 Ne4 10. 0-0 f5 11. Nd2 Nxd2 12. Qxd2 d6 13. Bc2 Nd7 14. f4 Rf6 15. Rae1 Rg6 16. d5 Rf8 17. e4 fxe4 18. Bxe4 Rh6 19. Re3 Nc5 20. Bc2 Bc8 21. Rg3 g6 22. f5 Rh4 23. fxe6 Rxf1+ 24. Kxf1 1-0

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Herrera, Sergio"]
[Black "Pescio Suau, Sergio"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "118"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d6 3. c4 Nf6 4. Nc3 Bg4 5. e3 e5 6. Be2 g6 7. d5 Ne7 8. e4 Bg7 9. 0-0 0-0 10. Bg5 Nh5 11. Qd2 f6 12. Bh6 g5 13. Bxg7 Nxg7 14. b4 Ng6 15. h3 Bd7 16. Nh2 Nf4 17. Bd1 h5 18. Ne2 f5 19. Nxf4 exf4 20. Bc2 fxe4 21. Bxe4 g4 22. hxg4 hxg4 23. g3 Nh5 24. Qd3 Qg5 25. Rae1 Rf6 26. Bh7+ Kg7 27. Re7+ Rf7 28. Qd4+ Qf6 29. Rxf7+ Kxf7 30. Qxf6+ Kxf6 31. Re1 a5 32. b5 Rh8 33. Bc2 fxg3 34. fxg3 Nxg3 35. Kg2 Nh5 36. Rf1+ Ke5 37. Rf7 Nf6 38. Nf1 c6 39. dxc6 bxc6 40. a4 cxb5 41. cxb5 Rc8 42. Bd1 Rc1 43. Ne3 d5 44. Bb3 Rc3 45. Nxd5 Rxb3 46. Nxf6 Be6 47. Rf8 Rb4 48. Nh5 Rxa4 49. b6 Rb4 50. Rb8 a4 51. b7 Rxb7 52. Ra8 Rb2+ 53. Kg3 Rb3+ 54. Kf2 Ra3 55. Ra5+ Bd5 56. Ng3 Ra2+ 57. Ne2 g3+ 58. Ke1 Ra1+ 59. Kd2 g2 0-1

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Hofman, Andre"]
[Black "Herrera, Sergio"]
[Result "1/2-1/2"]
[ECO "D33"]
[PlyCount "120"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e6 4. g3 d5 5. cxd5 exd5 6. d4 c4 7. Bg2 Bb4 8. 0-0 Bxc3 9. bxc3 Nge7 10. Re1 f5 11. Qc2 0-0 12. Ng5 h6 13. Nh3 Rf6 14. f3 a6 15. e4 fxe4 16. fxe4 dxe4 17. Nf2 Qa5 18. Nxe4 Rf8 19. Bd2 Bf5 20. Qb2 Rad8 21. Nc5 Bc8 22. Nxb7 Bxb7 23. Qxb7 Rb8 24. Qd7 Qf5 25. Qxf5 Rxf5 26. Re6 Rb2 27. Bf4 g5 28. Be3 Kf7 29. Rxh6 Re2 30. Bxg5 Rxg5 31. Bxc6 Nxc6 32. Rxc6 Rh5 33. Rf1+ Ke7 34. Rf2 Rxf2 35. Kxf2 Rxh2+ 36. Kf3 Rxa2 37. Rxc4 a5 38. g4 a4 39. Rc7+ Kd6 40. Ra7 a3 41. g5 Ra1 42. g6 a2 43. g7 Rg1 44. Rxa2 Rxg7 45. Ke4 Re7+ 46. Kd3 Re1 47. c4 Rd1+ 48. Rd2 Rc1 49. c5+ Kd5 50. Ke3 Re1+ 51. Kd3 Rc1 52. Rc2 Rd1+ 53. Rd2 Rc1 54. Ke3 Re1+ 55. Kf4 Rf1+ 56. Kg5 Rf8 57. Kg6 Rf4 58. Kg5 Rf8 59. Kg4 Rf7 60. Kg3 Rf6 1/2-1/2

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Martinez, Sergio"]
[Black "Herrera, Sergio"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "109"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d6 5. 0-0 Ne5 6. Nxe5 dxe5 7. f4 exf4 8. Bxf4 Nf6 9. e5 Nd5 10. Qxd4 Be6 11. Bg3 c6 12. Bf2 Qg5 13. Bxd5 Bxd5 14. Bg3 b6 15. Qf4 Bc5+ 16. Kh1 Qxf4 17. Bxf4 0-0 18. Nc3 Rad8 19. Rfd1 h6 20. h3 Rfe8 21. Kh2 Bf2 22. Rd2 Bc5 23. a3 g5 24. Bg3 Be3 25. Rdd1 Bf4 26. Bxf4 gxf4 27. Ne2 f3 28. gxf3 Rxe5 29. Ng3 Rde8 30. Rf1 Kh7 31. Rad1 Rg8 32. Rf2 Rg6 33. Rd4 Re1 34. c4 Be6 35. Re2 Rc1 36. Ree4 Rc2+ 37. Re2 Rxc4 38. Rxc4 Bxc4 39. Re7 a5 40. Rb7 c5 41. h4 Bd5 42. Rd7 Bxf3 43. Rxf7+ Rg7 44. Rxf3 Rd7 45. Ne4 Rd4 46. Re3 Kg6 47. Kg3 Kf5 48. Kf3 Rd1 49. Ng3+ Kf6 50. Rb3 c4 51. Rxb6+ Ke5 52. Rb5+ Kd4 53. Rxa5 Rd3+ 54. Kf4 Rb3 55. Ne2+ 1-0

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Salvatierra, Alvaro"]
[Black "Herrera, Sergio"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "78"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 a6 7. cxd5 exd5 8. Bd3 c5 9. Rc1 c4 10. Bb1 b5 11. a3 Bb7 12. 0-0 0-0 13. Qc2 Ne4 14. Bf4 f5 15. Ne5 Nxe5 16. Bxe5 Bd6 17. f4 Bxe5 18. dxe5 Qb6 19. Qe2 Rad8 20. Nxe4 dxe4 21. Rfd1 Bc8 22. Rxd8 Rxd8 23. Kf2 Be6 24. Rd1 Qa5 25. Qe1 Qxe1+ 26. Kxe1 Rxd1+ 27. Kxd1 a5 28. Kd2 b4 29. Bc2 h5 30. Ba4 Kf7 31. h4 Ke7 32. Kc2 Bf7 33. Kd2 Be6 34. Bc6 Kd8 35. Bb5 Ke7 36. Kc2 Kd8 37. Bc6 Ke7 38. Kd2 Kd8 39. Kc2 Ke7 1/2-1/2

[Event "Latin Cup"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "1"]
[White "Herrera, Sergio"]
[Black "Mejia, Roberto"]
[Result "0-1"]
[ECO "E91"]
[BlackElo "2220"]
[PlyCount "72"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 c6 7. 0-0 Qc7 8. Rb1 e5 9. d5 h6 10. Nh4 Qe7 11. g3 Bh3 12. Re1 cxd5 13. cxd5 Nbd7 14. Be3 Kh7 15. f3 a6 16. a4 Rac8 17. Qb3 Rc7 18. Nd1 Nc5 19. Qa3 Bd7 20. a5 Rfc8 21. Nc3 Bf8 22. Rbc1 Qe8 23. Bd1 Nd3 24. Be2 Nxc1 25. Rxc1 Bb5 26. Bd1 Nd7 27. Rc2 Nc5 28. Rd2 Nd7 29. Bc2 Qe7 30. f4 exf4 31. Bxf4 Ne5 32. Qa1 Bg7 33. Bd1 Nc4 34. Nxb5 axb5 35. Re2 Be5 36. Qa2 Bxf4 0-1

