[Event "Bogota op"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "?"]
[White "Alvarez Lora, Amaury Antonio"]
[Black "Mejia, Roberto"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "2220"]
[PlyCount "62"]
[EventDate "1991.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d5 4. e5 Nh6 5. Bd3 0-0 6. Nf3 c5 7. dxc5 Qa5+ 8. Nbd2 Qxc5 9. Nb3 Qb6 10. Qe2 Nc6 11. Be3 Qc7 12. c3 Bg4 13. h3 Bxf3 14. Qxf3 e6 15. g4 a5 16. h4 a4 17. Nd4 a3 18. b4 Nxd4 19. Bxd4 f5 20. g5 Ng4 21. h5 Rfc8 22. Qe2 Bf8 23. Rb1 Qf7 24. Kd2 Rc7 25. Rh3 Bg7 26. Rbh1 Qe7 27. hxg6 hxg6 28. Bb5 Rac8 29. Rb1 Kf7 30. Rb3 Ra8 31. Qg2 Rcc8 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

[Event "Latin Cup"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "2"]
[White "Mejia, Roberto"]
[Black "Chaverra, Bismark"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2220"]
[PlyCount "80"]
[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. c4 b6 2. Nc3 Bb7 3. e3 e6 4. Nf3 f5 5. Be2 Nf6 6. 0-0 Be7 7. d4 0-0 8. b3 h6 9. Ne5 Qe8 10. Bf3 Ne4 11. Nxe4 fxe4 12. Bh5 Qd8 13. Ng6 Rf5 14. f4 Nc6 15. g4 Ra5 16. Nxe7+ Nxe7 17. b4 Rxh5 18. gxh5 d5 19. Qg4 Nf5 20. c5 Ba6 21. Rf2 Bd3 22. Qg6 Qd7 23. a4 b5 24. axb5 Bxb5 25. Qg4 a6 26. Kh1 Qf7 27. Bd2 c6 28. Rg1 Rf8 29. Qh3 Qd7 30. Rfg2 Rf7 31. Be1 Bd3 32. Ra2 Qb7 33. Rg6 Qe7 34. Rb2 Bb5 35. Bf2 Rf8 36. Rg1 Ra8 37. Ra1 Qf6 38. Qg4 Qf7 39. h4 Ne7 40. Kg2 Qf5 1/2-1/2

[Event "Bogota op"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "?"]
[White "Mejia, Roberto"]
[Black "Contreras, Henry"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2220"]
[BlackElo "2265"]
[PlyCount "105"]
[EventDate "1991.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d3 d5 5. 0-0 Ne7 6. c4 0-0 7. cxd5 Nxd5 8. Qb3 c6 9. Nc3 Na6 10. a3 Nc5 11. Qc2 Ne6 12. Bd2 h6 13. Rad1 Ne7 14. e3 Kh8 15. Bc1 f5 16. d4 exd4 17. Nxd4 Nxd4 18. exd4 Be6 19. Rfe1 Bg8 20. Bf4 Nd5 21. Be5 Nb6 22. a4 a5 23. Qd2 Kh7 24. Bxg7 Kxg7 25. d5 cxd5 26. Bxd5 Qf6 27. Bxg8 Kxg8 28. Qxh6 Rad8 29. Qf4 Qc6 30. Qh4 Rxd1 31. Rxd1 Qf6 32. Qxf6 Rxf6 33. Nd5 Nxd5 34. Rxd5 b6 35. Rd7 Re6 36. Rb7 g5 37. Kg2 g4 38. b3 Rc6 39. h3 Rd6 40. hxg4 fxg4 41. Re7 Rd4 42. Kf1 Rb4 43. Re3 Kf7 44. f3 gxf3 45. Kf2 b5 46. axb5 Rxb5 47. Kxf3 Rb4 48. g4 a4 49. bxa4 Rxa4 50. Kg3 Ra5 51. Kh4 Ra6 52. Kh5 Kg7 53. Re7+ 1/2-1/2

[Event "Bogota op"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "?"]
[White "Mejia, Roberto"]
[Black "Gonzalez, Omar"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2220"]
[PlyCount "76"]
[EventDate "1991.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. h3 a5 9. b3 Re8 10. Bb2 c6 11. e3 exd4 12. Nxd4 Nb6 13. e4 a4 14. Rb1 axb3 15. axb3 Qc7 16. Qd2 Nfd7 17. Rfe1 Nc5 18. f4 Nxb3 19. Nxb3 Nxc4 20. Qf2 Nxb2 21. Qxb2 Qb6+ 22. Kh2 Qb4 23. Re3 d5 24. Nxd5 cxd5 25. e5 Be6 26. Nd4 Qxb2 27. Rxb2 Re7 28. g4 Ra4 29. Nb5 Rxf4 30. Nd6 Re4 31. Nxe4 Bxe5+ 32. Ng3 Bxb2 33. Bxd5 Bf6 34. Bf3 Rc7 35. Ne4 Rc2+ 36. Kh1 Be5 37. h4 Rh2+ 38. Kg1 Rxh4 0-1

[Event "Bogota op"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "?"]
[White "Mejia, Roberto"]
[Black "Manzo, Wilson"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2220"]
[PlyCount "81"]
[EventDate "1991.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. c4 d5 6. cxd5 Nxd5 7. 0-0 Be7 8. Nc3 Nc7 9. Be3 0-0 10. Rc1 Be6 11. a3 Rc8 12. Ne4 b6 13. b4 Nd5 14. Bd2 cxb4 15. Qa4 Qe8 16. axb4 Nd4 17. Qd1 Rxc1 18. Bxc1 Nxf3+ 19. Bxf3 Bxb4 20. Ng5 Nc3 21. Qc2 h6 22. Nxe6 Qxe6 23. Bb2 Rc8 24. Bxc3 Rxc3 25. Qa4 a5 26. Qb5 Rc5 27. Qa6 b5 28. Qa7 Qb3 29. h4 g6 30. h5 g5 31. Bg4 Qd5 32. Bf3 Qd6 33. Rd1 Kg7 34. e3 Qc7 35. Qa6 Qd7 36. Kg2 Rc7 37. d4 g4 38. Be4 Ra7 39. Qb6 a4 40. dxe5 Qxd1 41. Qxa7 1/2-1/2

[Event "Latin Cup"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "5"]
[White "Mejia, Roberto"]
[Black "Ramirez, Carlos"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2220"]
[BlackElo "2295"]
[PlyCount "77"]
[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. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 Nc6 5. c4 d4 6. d3 e5 7. Bg5 Be7 8. Nbd2 0-0 9. a3 h6 10. Bxf6 Bxf6 11. b4 cxb4 12. axb4 Nxb4 13. Ne4 Nc6 14. Nxf6+ Qxf6 15. Qb3 Qe7 16. h3 Be6 17. Nd2 Rac8 18. Rfb1 Rc7 19. Qb5 Bc8 20. Rb2 Kh8 21. Rf1 f5 22. Rbb1 Nd8 23. Qb4 Qf6 24. Nf3 Nc6 25. Qa3 Re8 26. Nd2 Qg6 27. Kh2 e4 28. dxe4 fxe4 29. e3 Rf7 30. Rbe1 Qh5 31. exd4 Nxd4 32. Qe3 Nc2 33. Qe2 Qf5 34. Rc1 Nd4 35. Qe3 Nf3+ 36. Bxf3 exf3 37. g4 Qd7 38. Qc3 Qd6+ 39. Kg1 0-1

[Event "Latin Cup"]
[Site "Bogota"]
[Date "1991.??.??"]
[Round "3"]
[White "Soto, Gabriel"]
[Black "Mejia, Roberto"]
[Result "1/2-1/2"]
[ECO "E85"]
[BlackElo "2220"]
[PlyCount "48"]
[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. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f3 c6 6. Be3 0-0 7. Nge2 e5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Nc1 Be6 11. b3 Na6 12. Nd3 Nd7 13. 0-0-0 b6 14. Be2 Rac8 15. Kb2 Ndc5 16. Nxc5 Nxc5 17. Rxd8+ Rxd8 18. Rd1 Rxd1 19. Nxd1 Bf8 20. Nf2 f6 21. Nd3 Nxd3+ 22. Bxd3 Kf7 23. Kc3 c5 24. a3 a5 1/2-1/2

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "7"]
[White "Agudelo, Antonio"]
[Black "Mejia, Roberto"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2305"]
[PlyCount "68"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d5 6. c4 c6 7. 0-0 Re8 8. Na3 Nbd7 9. Rc1 a6 10. cxd5 cxd5 11. Rc2 b5 12. Ne5 Bb7 13. Qa1 b4 14. Nb1 Nxe5 15. Bxe5 Rc8 16. Rfc1 Rxc2 17. Rxc2 Nh5 18. d3 Qb6 19. Nd2 Qe6 20. Bxg7 Nxg7 21. Nf3 Rc8 22. Nd4 Qd7 23. Qc1 Rxc2 24. Qxc2 e5 25. Nf3 Qd6 26. d4 e4 27. Ne1 Ne6 28. e3 f5 29. Bf1 Kf7 30. Qd2 Qb6 31. Nc2 a5 32. a3 bxa3 33. Nxa3 Bc6 34. Qc3 g5 1/2-1/2

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "9"]
[White "Arboleda, Juan Gonzalo"]
[Black "Mejia, Roberto"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2325"]
[PlyCount "67"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. f3 Nc6 8. Qd2 Nxd4 9. Bxd4 0-0 10. 0-0-0 Be6 11. Kb1 a6 12. g4 b5 13. h4 b4 14. Nd5 Bxd5 15. exd5 Qa5 16. g5 Nh5 17. Bxg7 Kxg7 18. Bh3 f5 19. gxf6+ Rxf6 20. Bg4 Nf4 21. Rhe1 h5 22. Rxe7+ Kf8 23. Re4 Qxd5 24. Rxf4 Qxd2 25. Rxf6+ Kg7 26. Rxd2 Kxf6 27. Bh3 Ke5 28. b3 Rf8 29. Rg2 Rxf3 30. Bc8 Rf4 31. Rxg6 Rxh4 32. Bxa6 Rh2 33. Bc8 d5 34. Rg5+ 1-0

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "3"]
[White "Betancourt Giraldo, David Rogelio"]
[Black "Mejia, Roberto"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "2230"]
[PlyCount "126"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 g6 5. g3 Bg7 6. Bg2 c6 7. 0-0 0-0 8. h3 e5 9. e4 Qc7 10. Be3 Re8 11. Qc2 Nh5 12. Rfd1 Nf8 13. dxe5 dxe5 14. Bc5 f5 15. Bd6 Qf7 16. c5 h6 17. Re1 Nd7 18. Na4 fxe4 19. Rxe4 Nhf6 20. Nxe5 Nxe5 21. Rxe5 Bf5 22. Qb3 Be6 23. Qa3 Nd5 24. Re2 b5 25. cxb6 axb6 26. Qb3 Rad8 27. Ba3 Ne3 28. Qxe3 Bc4 29. Qxb6 Bxe2 30. Bxc6 Bd4 31. Qb3 Re6 32. Bg2 Bxf2+ 33. Kh2 Rd3 34. Qb8+ Re8 35. Qb7 Bxg3+ 36. Kh1 Rd7 37. Qb3 Qxb3 38. axb3 Rd1+ 39. Rxd1 Bxd1 40. Bd5+ Kh7 41. Nc3 Bc2 42. Kg2 Be5 43. Bc5 Rd8 44. Bc4 Rd2+ 45. Kf3 Bf5 46. Ne2 Bxh3 47. Ke4 Bxb2 48. b4 Bf1 49. Ke3 Rd8 50. Kf2 Bxe2 51. Kxe2 Ba3 52. Bd3 Rb8 53. Bd6 Rc8 54. Ke3 h5 55. Kf4 Rd8 56. Ke5 Bxb4 57. Bxg6+ Kxg6 58. Bxb4 Rb8 59. Bd6 Rb6 60. Be7 Rb7 61. Bd6 Rf7 62. Ke4 h4 63. Ke3 Kh5 0-1

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "5"]
[White "Gonzalez Rodriguez, Jorge Armando"]
[Black "Mejia, Roberto"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2375"]
[PlyCount "81"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 Nf6 7. 0-0 0-0 8. h3 Ne5 9. d3 Bf5 10. e4 Bd7 11. f4 Nc6 12. Be3 Rb8 13. Kh2 a6 14. a4 Qc7 15. Qd2 Nd4 16. Nxd4 cxd4 17. Bxd4 Ng4+ 18. hxg4 Bxd4 19. g5 Kg7 20. Ne2 Qb6 21. Nxd4 Qxd4 22. Qc3 Qxc3 23. bxc3 Rfc8 24. Ra3 Rc5 25. a5 b5 26. axb6 Rxb6 27. Rfa1 Bc8 28. Kg1 h6 29. gxh6+ Kxh6 30. Bf1 Rb2 31. d4 Rh5 32. Bg2 e5 33. fxe5 dxe5 34. d5 Rg5 35. R3a2 Rb3 36. Ra3 Rb2 37. R1a2 Rb1+ 38. Kf2 f5 39. c5 fxe4 40. Bxe4 Rh5 41. Bxb1 1-0

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "14"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Mejia, Roberto"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2330"]
[PlyCount "111"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 e6 7. Be2 Be7 8. 0-0 0-0 9. Be3 Qc7 10. Rc1 b6 11. a3 Bb7 12. f3 Nbd7 13. b4 Rab8 14. Qb3 Rfc8 15. Rfd1 Bf8 16. Na4 g6 17. Qd3 h6 18. Qd2 Kh7 19. Bf1 Ne5 20. Nxb6 Rd8 21. Na4 Qe7 22. Qe1 Nh5 23. c5 Qe8 24. b5 dxc5 25. Nxc5 axb5 26. Bxb5 Qe7 27. Nxb7 Rxb7 28. a4 g5 29. Nc6 Rxd1 30. Qxd1 Qa3 31. Bf2 Rd7 32. Qc2 Nxc6 33. Bxc6 Rc7 34. Qc3 Nf4 35. Qxa3 Bxa3 36. Rc2 Nd3 37. Bb6 Rc8 38. Rc3 Bc5+ 39. Bxc5 Rxc6 40. Rxd3 Rxc5 41. Ra3 Ra5 42. Kf2 Kg6 43. Ke3 Kf6 44. Kd4 Ke7 45. Kc4 Ra8 46. Kc5 Kd7 47. a5 Rc8+ 48. Kd4 Kd6 49. e5+ Kd7 50. a6 Ra8 51. a7 Kc6 52. f4 gxf4 53. Ke4 Kb6 54. Kxf4 Rxa7 55. Rxa7 Kxa7 56. h4 1-0

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "11"]
[White "Henao, Raul Fernando"]
[Black "Mejia, Roberto"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2345"]
[PlyCount "57"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. f4 a6 10. a4 Qc7 11. Kh1 Nxd4 12. Bxd4 e5 13. Be3 b6 14. Bd3 Bb7 15. Qe2 Nd7 16. Bc4 Nf6 17. Rad1 Rab8 18. fxe5 dxe5 19. Bg5 b5 20. axb5 axb5 21. Nxb5 Qc5 22. Bxf6 Bxf6 23. Nd6 Bc6 24. b3 Qa7 25. h3 Bd7 26. Bd5 Qc7 27. Qh5 Be8 28. Rxf6 gxf6 29. Nf5 1-0

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "4"]
[White "Mejia, Roberto"]
[Black "Acosta, Alejandro"]
[Result "1/2-1/2"]
[ECO "A26"]
[BlackElo "2325"]
[PlyCount "93"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 a5 9. a3 Re8 10. b3 h6 11. Bb2 Be6 12. h3 d5 13. e3 e4 14. Nd4 Nxd4 15. exd4 exd3 16. cxd5 Nxd5 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Qxd3 Rad8 20. Qc2 c6 21. Rbd1 Re4 22. Rd3 c5 23. Rfd1 Rde8 24. Qb1 cxd4 25. Qa1 Qf5 26. Bxd4 Re2 27. R3d2 Qf3 28. Rxe2 Rxe2 29. Rf1 Bxd4 30. Qxd4 Qxb3 31. Qd8+ Kh7 32. Qxa5 Ra2 33. Qe5 Rxa3 34. Rc1 Ra8 35. Qe4 Rd8 36. Kg2 Rd7 37. Rb1 Qe6 38. Qxe6 fxe6 39. Rb6 Re7 40. Kf3 Kg7 41. Ke4 Kf6 42. f4 Rc7 43. g4 Rc3 44. h4 g5 45. hxg5+ hxg5 46. fxg5+ Kxg5 47. Rxb7 1/2-1/2

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "10"]
[White "Mejia, Roberto"]
[Black "Baquero, Luis A"]
[Result "0-1"]
[ECO "D79"]
[BlackElo "2290"]
[PlyCount "50"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. 0-0 0-0 6. c4 c6 7. cxd5 cxd5 8. Nc3 Nc6 9. h3 Ne4 10. Be3 Nxc3 11. bxc3 Bf5 12. Nh4 Be6 13. f4 Qa5 14. Qd3 Rad8 15. f5 Bc8 16. Rab1 Rd6 17. Bf4 e5 18. fxe6 Rxe6 19. Rb5 Qxa2 20. Rf2 Ne7 21. e4 dxe4 22. Bxe4 Qa6 23. c4 Qa1+ 24. Qb1 Qxb1+ 25. Bxb1 Bxd4 0-1

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "15"]
[White "Mejia, Roberto"]
[Black "Cuartas, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "A11"]
[BlackElo "2360"]
[PlyCount "114"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. 0-0 Nbd7 5. c4 c6 6. cxd5 cxd5 7. d4 e6 8. Nc3 Bd6 9. Bg5 0-0 10. Qb3 Qb6 11. Qxb6 Nxb6 12. h3 Bxf3 13. Bxf3 Rfc8 14. Rac1 a6 15. e4 Bb4 16. Bxf6 gxf6 17. exd5 Bxc3 18. Rxc3 Nxd5 19. Bxd5 exd5 20. Rfc1 Rxc3 21. Rxc3 Re8 22. Kf1 Re4 23. Rd3 Kf8 24. f3 Re6 25. Kf2 Rb6 26. Rb3 Rxb3 27. axb3 Ke7 28. Ke3 Kd6 29. Kf4 Kc6 30. Kf5 Kb5 31. Kxf6 Kb4 32. Ke5 Kxb3 33. Kxd5 Kb4 34. Kd6 Kc4 35. d5 a5 36. Ke5 Kc5 37. d6 Kc6 38. f4 a4 39. Kf6 Kxd6 40. Kxf7 b5 41. f5 b4 42. Kg7 a3 43. f6 axb2 44. f7 b1Q 45. f8Q+ Kd5 46. Qf7+ Kd4 47. Qf6+ Ke4 48. Qc6+ Ke3 49. Qc5+ Kf3 50. Qd5+ Kf2 51. Qd2+ Kxg3 52. Qg5+ Kxh3 53. Qe3+ Kg4 54. Qe2+ Kf4 55. Qf2+ Ke4 56. Qh4+ Ke3 57. Qg3+ Ke4 1/2-1/2

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "2"]
[White "Mejia, Roberto"]
[Black "Garcia, Gildardo"]
[Result "1/2-1/2"]
[ECO "A29"]
[BlackElo "2430"]
[PlyCount "126"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. d3 d5 5. cxd5 Nxd5 6. g3 Be7 7. Bg2 Nb6 8. 0-0 0-0 9. b3 Re8 10. Bb2 Nd4 11. Re1 Nxf3+ 12. Bxf3 c6 13. a4 Bb4 14. Qc2 a5 15. Red1 Bh3 16. Ne4 Nd5 17. Qc4 Qe7 18. Rac1 Rad8 19. Nc5 Nb6 20. Qc2 f5 21. e4 Qf7 22. exf5 Bxf5 23. Be4 Bxc5 24. Bxf5 Qxf5 25. Qxc5 Nd5 26. Qc4 e4 27. dxe4 Rxe4 28. Qc5 Rf8 29. Ba3 Rf6 30. Rd2 Qe6 31. Rf1 h5 32. Rd4 Re1 33. Rd1 Rxd1 34. Rxd1 Qe2 35. Rf1 Rf3 36. Bc1 Rxb3 37. Qxa5 Rb1 38. Qd8+ Kh7 39. Qg5 Qg4 40. Qd2 Ra1 41. Qc2+ Qg6 42. Qc4 Qf5 43. Qd4 Ra2 44. Bb2 Nf6 45. Qb4 b5 46. axb5 Qxb5 47. Qxb5 cxb5 48. Bxf6 gxf6 49. Rb1 Ra5 50. Kg2 Kg6 51. Kh3 Kf5 52. Kh4 Ke4 53. Kxh5 Kd3 54. Kg6 Kc2 55. Rb4 Kc3 56. Rb1 b4 57. Kxf6 b3 58. g4 Kc2 59. Rxb3 Kxb3 60. g5 Ra6+ 61. Kf7 Ra7+ 62. Kf6 Ra6+ 63. Kf7 Ra7+ 1/2-1/2

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "6"]
[White "Mejia, Roberto"]
[Black "Gonzales, S."]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2305"]
[PlyCount "54"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. Nf3 d6 4. g3 e5 5. d3 g6 6. Bg2 Bg7 7. 0-0 Nge7 8. c3 0-0 9. e4 f5 10. Qe2 h6 11. d4 fxe4 12. Nfd2 cxd4 13. cxd4 d5 14. dxe5 Nxe5 15. f3 Qb6+ 16. Kh1 N7c6 17. Nc3 Nd4 18. Qe3 Ndxf3 19. Qxb6 axb6 20. Nxd5 Nxd2 21. Ne7+ Kh7 22. Rxf8 Bxf8 23. Nxc8 Nd3 24. Nxb6 Rd8 25. Bc3 Bc5 26. Nc4 Nf2+ 27. Kg1 Nxc4 0-1

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "8"]
[White "Mejia, Roberto"]
[Black "Suarez, Luis Armando"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "27"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c5 6. 0-0 Nc6 7. Rb1 d6 8. a3 Bd7 9. h3 Rb8 10. b4 b6 11. Nd5 e5 12. d3 Nxd5 13. cxd5 Ne7 14. Qb3 1/2-1/2

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "13"]
[White "Mejia, Roberto"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "E63"]
[BlackElo "2500"]
[PlyCount "114"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. Nc3 a6 8. Re1 Rb8 9. a4 Na5 10. Qd3 c5 11. dxc5 Nb3 12. Rb1 Nxc5 13. Qc2 Be6 14. b3 Rc8 15. Bg5 h6 16. Bxf6 Bxf6 17. e4 Bg7 18. Qd2 a5 19. Nd4 Bd7 20. Nd5 Bc6 21. Nb5 Kh7 22. Qc2 Ne6 23. Rbd1 Bxb5 24. axb5 Nd4 25. Qd3 e6 26. Ne3 Qb6 27. Kh1 Rc7 28. f4 Qc5 29. Nc2 Nxc2 30. Qxc2 Bd4 31. Qd2 e5 32. Qxa5 b6 33. Qd2 Ra8 34. b4 Qxc4 35. Rc1 Bc3 36. Qxd6 Rac8 37. Bh3 Bxb4 38. Rxc4 Bxd6 39. Rxc7 Rxc7 40. Rd1 Ba3 41. fxe5 Re7 42. Bd7 Rxe5 43. Bc6 Re6 44. Rd7 Kg8 45. Bd5 Rf6 46. e5 Rf2 47. e6 fxe6 48. Bxe6+ Kf8 49. Bd5 Bc5 50. Bc6 g5 51. h3 Kg8 52. g4 Kf8 53. Bd5 Rd2 54. Bc6 Re2 55. Rh7 Re6 56. Kg2 Be7 57. Kf3 Rf6+ 1/2-1/2

[Event "COL-ch"]
[Site "Columbia"]
[Date "1988.??.??"]
[Round "1"]
[White "Velez, G."]
[Black "Mejia, Roberto"]
[Result "0-1"]
[ECO "E71"]
[PlyCount "70"]
[EventDate "1988.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "3"]
[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. h3 c6 6. Be3 0-0 7. Bd3 Nbd7 8. Nge2 e5 9. d5 cxd5 10. cxd5 a6 11. g4 b5 12. Ng3 Nc5 13. Bc2 b4 14. Na4 Nxa4 15. Bxa4 Bd7 16. g5 Ne8 17. Qb3 Bxa4 18. Qxa4 Rc8 19. Qxa6 Rc2 20. Qa4 Qc8 21. Qxb4 f5 22. gxf6 Bxf6 23. Qb3 Bh4 24. Rg1 Kh8 25. Kd1 Rc7 26. Kd2 Nf6 27. f3 Bxg3 28. Rxg3 Nh5 29. Rag1 Nxg3 30. Rxg3 Qa6 31. a3 Qf1 32. Qd1 Qb5 33. b4 Rfc8 34. Rg2 Rc3 35. Bg5 Rd3+ 0-1

