[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 "Castro Rojas, Oscar Humberto"]
[Black "Alzate, Javier"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2410"]
[BlackElo "2300"]
[PlyCount "79"]
[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. Nc3 c5 4. Nf3 Qa5 5. Be2 Nc6 6. dxc5 Nf6 7. 0-0 0-0 8. e5 Ng4 9. Nd2 h5 10. Nb3 Qc7 11. f4 b6 12. Nd5 Qd8 13. Bxg4 hxg4 14. cxb6 axb6 15. Be3 Ra6 16. Qxg4 d6 17. Qh4 dxe5 18. Rad1 Be6 19. Nb4 Qa8 20. Nxa6 Qxa6 21. f5 Bxf5 22. Rxf5 gxf5 23. Rd3 f4 24. Bd2 Qxa2 25. Rc3 Nd4 26. Nxd4 exd4 27. Rc7 Qb1+ 28. Kf2 e5 29. Bb4 d3 30. Qg4 e4 31. Qxf4 Bd4+ 32. Kg3 Qxb2 33. Qg5+ Bg7 34. Bc3 Qxc3 35. Rxc3 Re8 36. cxd3 e3 37. Rc1 Re5 38. Qh4 f6 39. Kf3 Kf7 40. d4 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.26"]
[Round "13"]
[White "Alzate, Javier"]
[Black "De Greif, Boris"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2300"]
[BlackElo "2340"]
[PlyCount "81"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. Nc3 a6 8. h3 Rb8 9. Bg5 b5 10. cxb5 axb5 11. d5 Na5 12. Nd4 Bd7 13. Rc1 h6 14. Bxf6 Bxf6 15. Qd3 Nc4 16. b3 Na3 17. h4 b4 18. Ne4 Bg7 19. Nc6 Bxc6 20. Rxc6 Nb5 21. h5 f5 22. Nd2 g5 23. Rc4 Na3 24. Rc6 Nb5 25. g4 fxg4 26. Rc4 Nc3 27. Rxg4 Qe8 28. f4 Qxh5 29. Bf3 Qh3 30. fxg5 h5 31. Rg2 Rf4 32. Rh2 Qg3+ 33. Kh1 Rh4 34. Rxh4 Qxh4+ 35. Kg2 Qxg5+ 36. Kf2 Rf8 37. Rh1 h4 38. Ne4 Qxd5 39. Rxh4 Qxd3 40. exd3 Nxe4+ 41. Rxe4 1/2-1/2

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.24"]
[Round "12"]
[White "Henao, Raul Fernando"]
[Black "Alzate, Javier"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2290"]
[BlackElo "2300"]
[PlyCount "81"]
[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. Nc3 d6 4. f4 Nc6 5. Be3 Nf6 6. Be2 0-0 7. e5 dxe5 8. fxe5 Nd5 9. Nxd5 Qxd5 10. Nf3 Bg4 11. 0-0 Rad8 12. c3 Na5 13. h3 Bf5 14. Qc1 c5 15. c4 Qd7 16. d5 b6 17. Bh6 e6 18. Bxg7 Kxg7 19. Nh4 Qe7 20. Qe1 Qg5 21. Nxf5+ exf5 22. Qc3 Rfe8 23. Rae1 f6 24. e6 Nb7 25. Qa3 a5 26. Qb3 Rd6 27. Bd1 Re7 28. a3 Qh4 29. Qc3 h5 30. Ba4 Rxd5 31. cxd5 Qxa4 32. b4 axb4 33. axb4 Qxb4 34. Qxb4 cxb4 35. Rb1 Rc7 36. Rxb4 Kf8 37. Rxb6 Ke7 38. Rc6 Rxc6 39. dxc6 Nd6 40. c7 Kxe6 41. Rd1 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.23"]
[Round "11"]
[White "Alzate, Javier"]
[Black "Agudelo, Antonio"]
[Result "0-1"]
[ECO "D76"]
[WhiteElo "2300"]
[BlackElo "2300"]
[PlyCount "88"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. cxd5 Nxd5 7. Nc3 Nb6 8. d4 Nc6 9. d5 Na5 10. e4 c6 11. Bf4 Bg4 12. Rc1 Rc8 13. h3 Bd7 14. Qe2 cxd5 15. exd5 Nac4 16. b3 Nd6 17. Be5 Bh6 18. Rcd1 Rc7 19. Rfe1 Qc8 20. Bxd6 exd6 21. Ne4 Rc2 22. Qf1 Qc7 23. a4 Rb2 24. Nf6+ Kh8 25. Re7 Bg7 26. Nxd7 Nxd7 27. Ng5 Kg8 28. Qb5 Qc5 29. Ne4 Qxb5 30. axb5 Rd8 31. Rc1 Kf8 32. Rxd7 Rxd7 33. Rc8+ Ke7 34. h4 Bd4 35. Kh2 Bb6 36. Rh8 h5 37. Bh3 f5 38. Rh7+ Kd8 39. Rh8+ Kc7 40. Nf6 Bxf2 41. b6+ Bxb6+ 42. Bg2 Bd4 43. Ne8+ Kb6 44. Rg8 Rd8 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.22"]
[Round "10"]
[White "Cuartas, Carlos Enrique"]
[Black "Alzate, Javier"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2440"]
[BlackElo "2300"]
[PlyCount "106"]
[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. c3 d6 4. f4 Nc6 5. Nf3 Nf6 6. e5 dxe5 7. fxe5 Nd5 8. Bd3 0-0 9. 0-0 f6 10. exf6 exf6 11. Na3 Re8 12. Nc2 a6 13. Bd2 b5 14. a4 Rb8 15. axb5 axb5 16. Re1 Nce7 17. Qe2 Bd7 18. Qf1 Bf5 19. Nh4 Bxd3 20. Qxd3 Qd7 21. Re2 g5 22. Nf3 Ng6 23. Rae1 Rxe2 24. Qxe2 g4 25. b3 gxf3 26. Qxf3 c6 27. c4 bxc4 28. bxc4 Nde7 29. Bb4 Rxb4 30. Nxb4 Qxd4+ 31. Qe3 Qxc4 32. Nd3 Ne5 33. Nxe5 fxe5 34. Qg5 Qc5+ 35. Kh1 Ng6 36. Rd1 Qe7 37. Qg4 Nf8 38. Qc4+ Qe6 39. Rc1 e4 40. Qxc6 e3 41. Qf3 Bd4 42. Qf4 Bb6 43. Rb1 Kg7 44. h3 Ng6 45. Qb4 Bc7 46. Qc3+ Qe5 47. Qxe5+ Bxe5 48. Re1 Bd4 49. g3 Ne5 50. Kg2 Kf6 51. Rd1 Bc3 52. Rd6+ Ke7 53. Rd5 Ke6 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.21"]
[Round "9"]
[White "Alzate, Javier"]
[Black "Garcia, Gildardo"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2300"]
[BlackElo "2340"]
[PlyCount "68"]
[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. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nbd7 9. Qf3 Qc7 10. 0-0-0 Be7 11. Be2 b5 12. e5 Bb7 13. Qg3 dxe5 14. fxe5 Ne4 15. Nxe4 Bxe4 16. Bd3 Bxd3 17. Rxd3 Bxg5+ 18. Qxg5 Qxe5 19. Qg4 Nb6 20. Qb4 Nc4 21. Nd4 Rc8 22. b3 Nb6 23. Re1 Qc7 24. Re2 Nd5 25. Qa3 Nf4 26. Red2 Nxd3+ 27. Rxd3 e5 28. Re3 Qc5 29. Qb2 0-0 30. Nf5 Rfe8 31. c3 g6 32. Nh6+ Kg7 33. Qd2 Red8 34. Nf5+ Kh8 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.20"]
[Round "8"]
[White "Silva Morales, Marco Antonio"]
[Black "Alzate, Javier"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "2300"]
[PlyCount "82"]
[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 Nf6 5. Nc3 Nc6 6. Bf4 a6 7. e5 Qc7 8. Nxc6 bxc6 9. Bg3 Nd5 10. Ne4 Rb8 11. Nd6+ Bxd6 12. exd6 Qa5+ 13. Qd2 Qc5 14. c3 0-0 15. Be2 f5 16. Be5 Nf6 17. Bxf6 Rxf6 18. 0-0 e5 19. Rad1 Bb7 20. b4 Qb6 21. Bc4+ Kh8 22. Rfe1 c5 23. Rxe5 cxb4 24. Qe1 Be4 25. cxb4 Rxd6 26. Rxd6 Qxd6 27. Rc5 h6 28. a3 Qg6 29. Bf1 Re8 30. Qc3 Bc6 31. Re5 Rc8 32. Qg3 Qf6 33. Rc5 Re8 34. f3 Qa1 35. Rxf5 Bb5 36. Rxb5 axb5 37. Qd6 Re1 38. Qf8+ Kh7 39. Qf5+ Kg8 40. Qd5+ Kh8 41. Qxb5 Qd4+ 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.19"]
[Round "7"]
[White "Alzate, Javier"]
[Black "Garcia, Luis E"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2300"]
[BlackElo "2330"]
[PlyCount "81"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. Rb1 Re8 10. d5 Nc5 11. Bg5 a5 12. Ne1 h6 13. Be3 cxd5 14. Bxc5 dxc5 15. cxd5 Bd7 16. f4 Ng4 17. Qf3 exf4 18. gxf4 Bd4+ 19. Kh1 Qh4 20. h3 Ne3 21. Nd3 Bg4 22. Qf2 Qh5 23. Qg3 Nxf1 24. Rxf1 Be2 25. Re1 Bxc3 26. bxc3 Bxd3 27. Qxd3 Qh4 28. Rf1 Qe7 29. e5 Kh8 30. d6 Qd7 31. Bd5 Rad8 32. Kh2 Kg7 33. Rg1 Kh8 34. c4 g5 35. Qe4 f5 36. Qf3 Qg7 37. Qh5 Rxe5 38. fxe5 Qxe5+ 39. Kh1 Rxd6 40. Rxg5 Qe1+ 41. Rg1 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.17"]
[Round "6"]
[White "Zapata, Alonso"]
[Black "Alzate, Javier"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "1900"]
[BlackElo "2300"]
[PlyCount "167"]
[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. Nf3 d6 4. Bc4 Nf6 5. Qe2 0-0 6. h3 c6 7. e5 Nd5 8. 0-0 dxe5 9. dxe5 Qc7 10. Bb3 Be6 11. c4 Nb6 12. Bf4 a5 13. Nbd2 a4 14. Bc2 N8d7 15. Rfe1 Ra5 16. Rad1 Rc5 17. Bd3 Ra5 18. Bb1 Nc8 19. Rc1 Na7 20. Nf1 b5 21. cxb5 Rxb5 22. Bd3 Rb4 23. Bg5 Rfb8 24. Bxe7 Rxb2 25. Rc2 Nxe5 26. Nxe5 Rxc2 27. Bxc2 Qxe7 28. Bxa4 Qa3 29. Qa6 Qc3 30. Re3 Qa1 31. Nf3 Nb5 32. Bb3 Bxb3 33. Rxb3 Rd8 34. Qxc6 Nc3 35. Qc7 Rd1 36. Rb8+ Bf8 37. Qe7 Rxf1+ 38. Kh2 Rh1+ 39. Kg3 Ne2+ 40. Qxe2 Kg7 41. Rd8 Qf6 42. Qe5 Qxe5+ 43. Nxe5 Ra1 44. Rd2 Bb4 45. Re2 Bd6 46. f4 g5 47. Kf3 gxf4 48. Nd3 Kf6 49. Kg4 Rd1 50. Nxf4 Rd4 51. g3 h5+ 52. Kxh5 Bxf4 53. Rf2 Rd5+ 54. Kg4 Kg6 55. Rxf4 Rg5+ 56. Kf3 Rc5 57. a4 Rc3+ 58. Kg2 Ra3 59. h4 f6 60. Kh3 f5 61. Rb4 Kh6 62. Rb6+ Kg7 63. Rb4 Kf6 64. Kg2 Ke5 65. Rf4 Ra2+ 66. Kh3 Ra1 67. h5 Rh1+ 68. Kg2 Rxh5 69. a5 Kd6 70. Ra4 Kc7 71. a6 Kb8 72. a7+ Ka8 73. Ra5 Rg5 74. Kf3 Rg4 75. Rxf5 Ra4 76. g4 Kxa7 77. g5 Ra1 78. Kf4 Kb6 79. g6 Rg1 80. Rg5 Rf1+ 81. Ke5 Re1+ 82. Kf6 Rf1+ 83. Rf5 Rg1 84. g7 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.16"]
[Round "5"]
[White "Alzate, Javier"]
[Black "Minaya Molano, Juan M"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2300"]
[BlackElo "2355"]
[PlyCount "77"]
[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. Nf3 g6 2. e4 Bg7 3. d4 c6 4. Nc3 d5 5. exd5 cxd5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. Ne5 Qd8 9. Qe2 a6 10. 0-0 Nf6 11. Re1 0-0 12. Bg5 h6 13. Bh4 e6 14. f4 Nc6 15. Rad1 Qb6 16. b3 Qb4 17. Qd3 Rac8 18. Re3 Rc7 19. Kh1 Ne7 20. g4 Rfc8 21. Be1 Qd6 22. Re2 b5 23. a4 b4 24. Na2 a5 25. c3 bxc3 26. Nxc3 Qb6 27. Nb5 Rb7 28. Qd2 Ra8 29. Rc1 Ne4 30. Qd3 Nd6 31. Rc5 Ne4 32. Rc1 f6 33. Nf3 Qd8 34. Nd2 Qb8 35. Nxe4 Qxf4 36. Nd2 Qxg4 37. Qf3 Qf5 38. Qxf5 exf5 39. Rc7 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.15"]
[Round "4"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Alzate, Javier"]
[Result "1-0"]
[ECO "B09"]
[BlackElo "2300"]
[PlyCount "47"]
[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. Nc3 d6 4. f4 c6 5. Nf3 Bg4 6. Be3 Nf6 7. h3 Bxf3 8. Qxf3 d5 9. e5 Ng8 10. f5 Bh6 11. e6 Qd6 12. exf7+ Kxf7 13. fxg6+ Kxg6 14. Bd3+ Kg7 15. Qg4+ Kf7 16. 0-0+ Ke8 17. Bxh6 Nxh6 18. Qc8+ Qd8 19. Qxb7 Nd7 20. Qxc6 Nf7 21. Qe6 Rf8 22. Nxd5 Ng5 23. Rxf8+ Kxf8 24. Qh6+ 1-0

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.14"]
[Round "3"]
[White "Alzate, Javier"]
[Black "Gomez, Frank"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2300"]
[PlyCount "116"]
[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. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 Nf6 5. Qe2 0-0 6. Nc3 c6 7. e5 dxe5 8. dxe5 Nd5 9. Bd2 Bg4 10. 0-0-0 e6 11. h3 Bxf3 12. gxf3 Nd7 13. f4 Qh4 14. Bxd5 cxd5 15. Rdg1 Nb6 16. Be3 Nc4 17. b3 Na5 18. Nb5 Nc6 19. Rg5 h6 20. Rg3 Rfc8 21. Kb1 a6 22. Nd6 Rc7 23. Bb6 Rd7 24. Rg4 Qe7 25. Rhg1 Rxd6 26. Bc5 Rad8 27. c3 d4 28. Rd1 dxc3 29. Bxd6 Qd7 30. Rg3 Nb4 31. Rxc3 Nd5 32. Rf3 Rc8 33. Rc1 Rxc1+ 34. Kxc1 h5 35. Qc4 Bh6 36. Kb2 b5 37. Qd4 Qc6 38. Bc5 Bxf4 39. b4 Bh6 40. Qh4 Qc7 41. Qe4 Bg7 42. Bd4 Qc4 43. a3 Bh6 44. Qd3 Qc1+ 45. Kb3 Nf4 46. Rxf4 Bxf4 47. Bc3 Qh1 48. Qd8+ Kh7 49. Qf6 Qb1+ 50. Bb2 Qf5 51. Qe7 Qxh3+ 52. Ka2 Qf5 53. Qa7 h4 54. Qxa6 h3 55. Qb7 h2 56. a4 bxa4 57. b5 Kg7 58. Qf3 Qc2 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.13"]
[Round "2"]
[White "Herrera, Gabriel"]
[Black "Alzate, Javier"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "2300"]
[PlyCount "100"]
[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. Nc3 d6 4. f4 c6 5. Bc4 Nh6 6. Nf3 Bg4 7. 0-0 e6 8. Be3 d5 9. exd5 exd5 10. Bd3 0-0 11. h3 Bxf3 12. Qxf3 f5 13. b3 Nd7 14. Na4 b5 15. Nb2 Nf6 16. Be2 Ne4 17. Nd3 Nf7 18. a4 a6 19. Ne5 Bxe5 20. dxe5 Qe7 21. Rfd1 b4 22. Bd4 Nd8 23. Kh2 Ne6 24. Bb2 a5 25. g3 h5 26. h4 Qc5 27. Rac1 Rfd8 28. Kg2 Kf7 29. Rd3 Rab8 30. Qf1 Qa7 31. Rcd1 Qb7 32. Bf3 Ke7 33. Re3 c5 34. Ree1 c4 35. bxc4 dxc4 36. Rxd8 Rxd8 37. Qxc4 Rc8 38. Qe2 Qc6 39. Rc1 Qc4 40. Qe3 N6c5 41. e6 Nxa4 42. Be5 Nac5 43. Be2 Qxe6 44. Ra1 a4 45. Rd1 Nd7 46. Qd4 Rxc2 47. Qxb4+ Ndc5 48. Kf3 Qb3+ 49. Qxb3 axb3 50. Rd4 b2 0-1

[Event "COL-ch26"]
[Site "Medellin"]
[Date "1977.03.12"]
[Round "1"]
[White "Rodriguez, Mauricio"]
[Black "Alzate, Javier"]
[Result "0-1"]
[ECO "E60"]
[BlackElo "2300"]
[PlyCount "114"]
[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. c4 g6 2. g3 Bg7 3. Bg2 c6 4. d4 Nf6 5. d5 cxd5 6. cxd5 0-0 7. Nh3 d6 8. 0-0 Nbd7 9. Nc3 b6 10. Be3 Bb7 11. Rc1 Rc8 12. Qa4 a6 13. Qh4 b5 14. Rfd1 Qa5 15. a3 Ne5 16. Bh6 Nc4 17. b4 Qxa3 18. Ng5 Ne5 19. Nge4 Nxe4 20. Nxe4 Rxc1 21. Bxc1 Qb3 22. Rf1 Bxd5 23. Qxe7 Bxe4 24. Bxe4 Qxb4 25. Bd5 Qc5 26. e4 Qc8 27. Kg2 Qd7 28. Bg5 Qg4 29. f3 Qc8 30. Qxd6 h6 31. Bf4 Rd8 32. Rc1 Nc4 33. Bxc4 bxc4 34. Rxc4 Qxc4 35. Qxd8+ Kh7 36. Qd2 a5 37. Bd6 Bc3 38. Qc2 Qd4 39. Bf4 a4 40. Qa2 Kg7 41. h4 Qb4 42. Bc1 Qb3 43. Qa3 Bd4 44. g4 Qc2+ 45. Kh3 Bc5 46. Bb2+ Kg8 47. Qc3 Qxc3 48. Bxc3 a3 49. f4 Be3 50. Kg3 Bc1 51. Bb4 Bb2 52. Bxa3 Bxa3 53. e5 Kf8 54. h5 g5 55. fxg5 hxg5 56. Kf3 Ke7 57. Ke4 Ke6 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "12"]
[White "Alzate, Javier"]
[Black "Agudelo, Antonio"]
[Result "1-0"]
[ECO "C16"]
[PlyCount "69"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. a3 Bf8 6. f4 b6 7. Be3 Nh6 8. g4 Be7 9. h4 c5 10. Qf3 Nc6 11. Bb5 cxd4 12. Bxd4 Bb7 13. Nge2 0-0-0 14. 0-0-0 Kb8 15. Bf2 Rc8 16. Kb1 Rhd8 17. Rh3 Bc5 18. Bxc5 bxc5 19. Nc1 Qc7 20. Nb3 Qb6 21. Qf1 a6 22. Be2 c4 23. Na4 Qb5 24. Nbc5 Rc7 25. Rb3 Qa5 26. Rb6 Ka8 27. b4 cxb3 28. cxb3 Ka7 29. b4 Qxb6 30. Nxb6 Kxb6 31. Bxa6 Ba8 32. Na4+ Ka7 33. b5 Rb8 34. Qg1+ d4 35. Rxd4 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "3"]
[White "Alzate, Javier"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "116"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. 0-0 Bxc3 9. bxc3 dxe4 10. Bb5 Bd7 11. Nb3 Nd5 12. Bxc6 Bxc6 13. Bc5 Qg5 14. g3 e3 15. f4 Qf5 16. Nd4 Nxf4 17. Rxf4 Qxc5 18. Nxc6 Qxc6 19. Qd4 0-0 20. Qxe3 b6 21. a4 Rac8 22. Rf3 Qc5 23. Kf2 Rfd8 24. Qxc5 Rxc5 25. Ke2 f6 26. Rb1 Rdc8 27. Kd2 Kf7 28. Rd3 Ke7 29. g4 Rc4 30. a5 bxa5 31. h3 R4c5 32. Rb7+ R8c7 33. Rb8 h5 34. gxh5 Rxh5 35. Rg3 Rd5+ 36. Kc1 g5 37. Rh8 Rc4 38. Rh7+ Kd6 39. Rxa7 Ke5 40. Re7 Kf5 41. Rg2 Rf4 42. Rc7 Rf3 43. c4 Rd4 44. Rc5+ e5 45. Rxa5 Rxc4 46. Rh2 Rh4 47. Kd2 Rfxh3 48. Rxh3 Rxh3 49. c4 Ke4 50. c5 Kd4 51. c6 Rd3+ 52. Ke2 Rc3 53. Ra6 f5 54. Ra4+ Kd5 55. Ra5+ Kd6 56. Ra8 Rxc6 57. Rf8 Ke6 58. Re8+ Kd5 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "1"]
[White "Alzate, Javier"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "B41"]
[PlyCount "117"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 Nc6 7. Bd3 d5 8. 0-0 Be7 9. Nxc6 bxc6 10. e5 Nd7 11. f4 a5 12. Nb3 Ba6 13. Bxa6 Rxa6 14. Qe2 Qc8 15. f5 c5 16. f6 gxf6 17. exf6 Bf8 18. c4 d4 19. Bf4 Rg8 20. Bg3 Rg6 21. Rf3 Qa8 22. Raf1 Kd8 23. Nd2 Bh6 24. Ne4 e5 25. Kh1 Re6 26. Rb3 Bf4 27. Rb5 Bxg3 28. hxg3 Qa7 29. a4 Rb6 30. Qh5 Qc7 31. Qxh7 Rbxf6 32. Nxf6 Rxf6 33. Rxf6 Nxf6 34. Qh8+ Ke7 35. Qa8 Nd7 36. Qe4 Qd6 37. Rb3 Qg6 38. Qh4+ f6 39. Rb7 d3 40. Qh3 f5 41. Qh4+ Ke6 42. Qd8 Qh7+ 43. Kg1 d2 44. Rb6+ Nxb6 45. Qxb6+ Kf7 46. Qc7+ Kg6 47. Qd6+ Kh5 48. Qxd2 Qc7 49. Qd5 Qe7 50. Kf2 Kg6 51. Qg8+ Kh5 52. Qc8 Kg5 53. Qa8 Qd6 54. Qd5 Qb8 55. Qd2+ Kg6 56. Kg1 e4 57. Qxa5 Qxb2 58. Qxc5 Qc1+ 59. Kh2 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "8"]
[White "Alzate, Javier"]
[Black "De Greif, Boris"]
[Result "1/2-1/2"]
[ECO "C26"]
[PlyCount "62"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 e5 3. Nc3 d5 4. Bg5 d4 5. Nd5 Nbd7 6. Nf3 c6 7. Nxf6+ Nxf6 8. Qd2 Bd6 9. Be2 Qe7 10. 0-0 h6 11. Bh4 g5 12. Bg3 Nd7 13. c3 c5 14. a3 Nf8 15. b4 dxc3 16. Qxc3 cxb4 17. axb4 Ng6 18. d4 Bxb4 19. Bb5+ Kf8 20. Qb2 Bd6 21. dxe5 Bc7 22. Rac1 Be6 23. Bc4 Bb6 24. Nd4 Bxd4 25. Qxd4 Kg7 26. f4 gxf4 27. Bxf4 Nxf4 28. Rxf4 Rac8 29. Rc3 Rxc4 30. Rxc4 Rd8 31. Qc3 Rd1+ 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "14"]
[White "Alzate, Javier"]
[Black "Henao, Raul Fernando"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "66"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. a3 a5 9. c4 Nb6 10. Nc3 Ba6 11. Qe4 Qe6 12. Bd3 Bxc4 13. 0-0 Qg6 14. Bxc4 Qxe4 15. Nxe4 Nxc4 16. Re1 Rb8 17. Bg5 Be7 18. Nd6+ cxd6 19. exd6 0-0 20. Bxe7 Rfe8 21. b4 axb4 22. axb4 Ra8 23. f4 f6 24. Kf2 Nb6 25. Rab1 Ra2+ 26. Kg3 Rea8 27. Rb3 Kf7 28. b5 c5 29. h4 c4 30. Rb4 h5 31. Rc1 Ke6 32. Kf3 R8a3+ 33. Ke4 f5+ 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "10"]
[White "Alzate, Javier"]
[Black "Rodriguez, Jose ES"]
[Result "1/2-1/2"]
[ECO "B29"]
[PlyCount "70"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Bb5 Nxc3 7. bxc3 e6 8. 0-0 a6 9. Bxc6+ bxc6 10. Ne5 Qc7 11. Qf3 Bb7 12. Rb1 Bd6 13. Qxf7+ Qxf7 14. Nxf7 Kxf7 15. Rxb7+ Kf6 16. Ba3 Rhb8 17. Rxb8 Rxb8 18. Rd1 Be7 19. dxc5 Rb5 20. Bb4 e5 21. Kf1 Ke6 22. Ke2 Rb7 23. Kf3 Rb8 24. g3 Rf8+ 25. Ke3 Rb8 26. Ke4 Rf8 27. f3 Rb8 28. f4 exf4 29. gxf4 g6 30. Kf3 Rf8 31. Re1+ Kd7 32. Re5 Bd8 33. Re4 Bc7 34. Ke3 Rf5 35. Rd4+ Ke6 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "6"]
[White "Alzate, Javier"]
[Black "Santos, German"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "41"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Nf6 7. 0-0 cxd4 8. cxd4 Nc6 9. Nc3 Qa5 10. Bf4 Be7 11. Ne5 Nb4 12. Bf3 0-0 13. Qb3 Rd8 14. a3 Rxd4 15. axb4 Qc7 16. Nb5 axb5 17. Rxa8 Rxf4 18. Qe3 Rc4 19. Nxc4 bxc4 20. b5 Bc5 21. b6 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "4"]
[White "Alzate, Javier"]
[Black "Silva Morales, Marco Antonio"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "68"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Nf6 8. Nc3 Qe7 9. 0-0-0 0-0 10. Re1 Re8 11. e5 d6 12. h3 dxe5 13. g4 Be6 14. g5 Nh5 15. Bg2 Bf5 16. Nd5 Qd6 17. Qe2 Bg6 18. Rd1 Nd4 19. Qc4 b5 20. Qxc7 Qxc7 21. Nxc7 Rac8 22. Nxd4 Rxc7 23. Rde1 Kf8 24. Nxb5 Rxc2+ 25. Kb1 Rxf2+ 26. Be4 Bxe4+ 27. Rxe4 Ng3 28. Rhe1 Nxe4 29. Rxe4 f5 30. gxf6 gxf6 31. Rh4 Re7 32. Nd6 f5 33. a4 e4 34. Rh5 e3 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "7"]
[White "Cuartas, Carlos Enrique"]
[Black "Alzate, Javier"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "102"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. 0-0 e6 5. d3 Nbd7 6. Nbd2 Bc5 7. Qe1 c6 8. e4 dxe4 9. dxe4 Bg6 10. Nh4 0-0 11. Nb3 Bb6 12. Bg5 Qc7 13. Bf4 e5 14. Bg5 h6 15. Nxg6 fxg6 16. Be3 Kh7 17. Bxb6 axb6 18. Qb4 b5 19. a4 bxa4 20. Rxa4 c5 21. Qb5 Rxa4 22. Qxa4 c4 23. Nc1 Qc5 24. c3 b5 25. Qc2 Qa7 26. Bh3 Nc5 27. Bg2 Rd8 28. b4 cxb3 29. Nxb3 Qa4 30. Rb1 Ncxe4 31. Ra1 Qc4 32. Na5 Qxc3 33. Qxc3 Nxc3 34. Nc6 Re8 35. Ra3 Ne2+ 36. Kf1 Nd4 37. Nxd4 exd4 38. Rb3 Rb8 39. Ke2 Nd7 40. Bc6 Nc5 41. Rb4 Rb6 42. Bxb5 Ne4 43. Kd3 Nd6 44. Rxd4 Nxb5 45. Rb4 Rd6+ 46. Ke3 Nc7 47. Rb7 Nd5+ 48. Ke4 Nf6+ 49. Kf3 Rd2 50. h3 h5 51. g4 Rd3+ 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "13"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Alzate, Javier"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "120"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nc6 3. Nf3 Bg4 4. Be3 Nf6 5. Nc3 e6 6. h3 Bh5 7. Bb5 a6 8. Ba4 Nd7 9. g4 Bg6 10. d5 exd5 11. exd5 Nce5 12. Qe2 b5 13. Bb3 Nxf3+ 14. Qxf3 Be7 15. 0-0-0 0-0 16. Qg3 Bh4 17. Qg2 Re8 18. g5 Bh5 19. Rd4 Rxe3 20. Rxh4 Bf3 21. Qg3 Rxc3 22. Rg1 Rxb3 23. axb3 Ne5 24. Rd4 a5 25. Re1 a4 26. bxa4 bxa4 27. Re3 Bh5 28. f4 Nd7 29. Ra3 Nc5 30. f5 Qd7 31. b4 Qxf5 32. bxc5 Qf1+ 33. Kb2 Rb8+ 34. Kc3 Qc1 35. Rdxa4 Bg6 36. Ra2 h5 37. Ra8 Rxa8 38. Rxa8+ Kh7 39. Qf2 dxc5 40. Ra2 Qxg5 41. Qxc5 Qe5+ 42. Kb4 f5 43. c3 f4 44. Ra8 Be4 45. Qf8 Bxd5 46. Re8 Qf6 47. Qxf6 gxf6 48. Re2 Kg6 49. Kc5 Bh1 50. Rh2 Be4 51. Kd4 Kf5 52. Ra2 c5+ 53. Kxc5 f3 54. Kd4 Kf4 55. c4 f5 56. c5 Kg3 57. Ke3 Bc6 58. Ra1 f4+ 59. Kd4 f2 60. Ke5 Bb5 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "11"]
[White "Minaya Molano, Juan M"]
[Black "Alzate, Javier"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "72"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 e5 6. d3 Nge7 7. Bd2 0-0 8. Rb1 Nd4 9. Ng1 c6 10. e3 Ne6 11. Nge2 d5 12. cxd5 cxd5 13. 0-0 d4 14. exd4 exd4 15. Ne4 Nd5 16. Qb3 Kh8 17. Rbc1 b6 18. Nd6 Qxd6 19. Qxd5 Qxd5 20. Bxd5 Rb8 21. Nf4 Rd8 22. Bg2 Ba6 23. Nxe6 fxe6 24. Be4 Rbc8 25. a4 Rxc1 26. Rxc1 Rc8 27. Rxc8+ Bxc8 28. Bc6 Ba6 29. Be4 Kg8 30. b4 Kf7 31. b5 Bc8 32. Kg2 e5 33. Kf3 h5 34. Bd5+ Ke8 35. Ke2 Bf8 36. h4 Bf5 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "9"]
[White "Munoz, Francisco"]
[Black "Alzate, Javier"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "75"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. e3 Bg7 4. Nf3 d6 5. d4 0-0 6. Be2 Nc6 7. 0-0 e5 8. d5 Ne7 9. c4 Nd7 10. Nfd2 f5 11. f4 c6 12. dxc6 bxc6 13. Rf2 Nc5 14. b4 Rb8 15. Bc3 Ne6 16. Nb3 exf4 17. exf4 Bxc3 18. Nxc3 Rxb4 19. Qd2 Rb7 20. Rd1 Rd7 21. Qe3 Rf6 22. Bf3 Ba6 23. Nd4 Nxd4 24. Qxd4 Rf7 25. Na4 Qa5 26. Nc5 Rd8 27. Ne6 Re8 28. Ng5 Rff8 29. Qxa7 h6 30. Bxc6 hxg5 31. Bxe8 Rxe8 32. Rxd6 Qe1+ 33. Rf1 Qe4 34. Qxa6 gxf4 35. Re6 Qd4+ 36. Kh1 f3 37. gxf3 Qd3 38. Rxg6+ 1-0

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

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

[Event "COL-ch"]
[Site "Bogota"]
[Date "1975.??.??"]
[Round "5"]
[White "Velandia, Norberto"]
[Black "Alzate, Javier"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "157"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "COL"]
[EventCategory "2"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nc6 3. Bg5 h6 4. Bh4 g5 5. Bg3 Bg7 6. c3 Nf6 7. Nd2 e5 8. d5 Ne7 9. h4 Ng6 10. hxg5 hxg5 11. Rxh8+ Bxh8 12. Bb5+ Bd7 13. Qa4 a6 14. Bxd7+ Nxd7 15. 0-0-0 Qf6 16. Ne2 0-0-0 17. f3 Bg7 18. Rh1 Nh4 19. Rh2 Qg6 20. Qd1 f5 21. Qh1 fxe4 22. fxe4 Bf6 23. Bf2 Qh5 24. Kd1 Qf7 25. g3 Ng6 26. Rh7 Qg8 27. Nc4 Bg7 28. Rh5 Bf6 29. Qh3 Kb8 30. Rh6 Ne7 31. Ne3 Nc5 32. Qg2 Bg7 33. Rh5 Qf7 34. Rxg5 Bh6 35. Rg4 Nd3 36. Bg1 Bxe3 37. Bxe3 Nxb2+ 38. Kc2 Nc4 39. Kd3 Qe8 40. Bg5 Qb5 41. Nc1 Na3+ 42. Ke3 Qb6+ 43. Ke2 Rg8 44. Kd1 Nc4 45. Qe2 Nb2+ 46. Kc2 Na4 47. Nb3 Qb5 48. Qxb5 axb5 49. Nd2 Nc5 50. Nf3 Nc8 51. Rh4 Rf8 52. Nd2 Rf2 53. Be3 Rg2 54. Bxc5 dxc5 55. Rh8 b6 56. Rg8 Kb7 57. a3 Nd6 58. Kd1 Rg1+ 59. Kc2 Ra1 60. Kb2 Re1 61. Rg7 Re2 62. Kc1 c4 63. g4 Re3 64. Kc2 b4 65. axb4 Nb5 66. Kb2 Re2 67. Kc2 Re3 68. Kb2 Re2 69. Kc2 Rg2 70. g5 Kc8 71. g6 Rg3 72. Kb2 Nd6 73. Rg8+ Kd7 74. b5 Rg2 75. Kc1 Rg1+ 76. Kc2 Rg2 77. Kd1 Nxb5 78. Nxc4 Nxc3+ 79. Kc1 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "6"]
[White "Alzate, Javier"]
[Black "Lopez, Fernando"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "125"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 Nf6 4. g3 Bg4 5. f3 Bh5 6. Ne2 dxe4 7. dxe4 e5 8. Bg2 Bc5 9. Nb3 Qxd1+ 10. Kxd1 Bb6 11. g4 Bg6 12. Nc3 Na6 13. Bg5 h6 14. Bxf6 gxf6 15. a3 Rg8 16. Bf1 0-0-0+ 17. Bd3 Nc7 18. Na4 Be3 19. Ke2 Bf4 20. Nc3 h5 21. h3 Ne6 22. Kf2 h4 23. Ne2 Bh6 24. Rhd1 Rd6 25. c3 Rgd8 26. Bc2 Bd2 27. Na5 Kc7 28. Nc4 R6d7 29. Ne3 Nf4 30. Nxf4 exf4 31. Nf1 Be3+ 32. Ke2 Rxd1 33. Rxd1 Rxd1 34. Kxd1 Bg1 35. Nd2 Kd6 36. Nc4+ Kd7 37. b4 b6 38. Nb2 Kd6 39. Nd3 Be3 40. Ke2 b5 41. a4 a6 42. Ne1 c5 43. axb5 axb5 44. Ng2 Bc1 45. bxc5+ Kxc5 46. Kd3 Kd6 47. Nxh4 Ke5 48. Bb3 Ba3 49. Ng2 Bxe4+ 50. fxe4 f3 51. Ne3 Kf4 52. Nf1 Bc5 53. Bxf7 Kg5 54. e5 fxe5 55. Ke4 f2 56. Be8 b4 57. cxb4 Bxb4 58. Kf3 Bc5 59. Kg3 e4 60. h4+ Kf6 61. Kf4 e3 62. Bb5 Kg6 63. Nxe3 1-0

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "2"]
[White "Alzate, Javier"]
[Black "Martinez, Diego"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "137"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 b6 4. g3 Bb7 5. Bg2 Nf6 6. e5 Nfd7 7. f4 Nc6 8. Ngf3 Be7 9. 0-0 0-0 10. d4 f5 11. exf6 Bxf6 12. c3 Qe8 13. Re1 Qf7 14. Qe2 Rfe8 15. Nb3 a5 16. Be3 a4 17. Nbd2 Na5 18. b4 axb3 19. axb3 Ba6 20. Qf2 Qg6 21. b4 Nc4 22. Nxc4 Bxc4 23. Qd2 Qd3 24. Bf2 Kf7 25. Qxd3 Bxd3 26. Bh3 Ra6 27. g4 g6 28. Rxa6 Bxa6 29. Bh4 Bxh4 30. Nxh4 Bd3 31. Nf3 h6 32. Ra1 Be2 33. Bg2 Bxf3 34. Bxf3 Ke7 35. Kf2 Kd6 36. Ke3 g5 37. Rd1 b5 38. h4 c6 39. hxg5 hxg5 40. Rh1 gxf4+ 41. Kxf4 Rf8+ 42. Kg3 e5 43. Rh6+ Kc7 44. g5 Rg8 45. Kh4 e4 46. Bg4 Rg7 47. g6 Nf8 48. Kg5 Rg8 49. Kf6 Nxg6 50. Rxg6 Rf8+ 51. Ke5 Rf2 52. Rg7+ Kb6 53. Bc8 Rf8 54. Bf5 e3 55. Rg3 e2 56. Re3 Re8+ 57. Be6 Rf8 58. Rxe2 Rf3 59. Rc2 Re3+ 60. Kd6 Rg3 61. Bd7 Rg6+ 62. Ke5 Rg7 63. Bf5 Re7+ 64. Be6 Rg7 65. Rh2 Kc7 66. Rh3 Rg5+ 67. Bf5 Kb6 68. Rh6 Rg7 69. Kd6 1-0

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "8"]
[White "Alzate, Javier"]
[Black "Munoz, Francisco"]
[Result "1/2-1/2"]
[ECO "D61"]
[PlyCount "46"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Qc2 h6 8. Bh4 0-0 9. a3 b6 10. cxd5 cxd5 11. Bd3 Bb7 12. 0-0 Rc8 13. Qe2 Ne4 14. Bxe7 Nxc3 15. Bxd8 Nxe2+ 16. Bxe2 Rfxd8 17. Rfc1 a6 18. Kf1 Kf8 19. Ke1 Ke7 20. Nd2 Kd6 21. b4 Rxc1+ 22. Rxc1 Rc8 23. Rxc8 Bxc8 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "4"]
[White "Alzate, Javier"]
[Black "Vallejo, Humberto"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "67"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 b6 4. g3 Bb7 5. Bg2 Nf6 6. e5 Ng8 7. f4 Ne7 8. Ngf3 Nf5 9. Nb3 c5 10. Qe2 Nc6 11. Be3 h5 12. Bf2 Be7 13. 0-0-0 g5 14. fxg5 Bxg5+ 15. Kb1 Bh6 16. h3 Nfe7 17. g4 Ng6 18. Be3 Bxe3 19. Qxe3 d4 20. Qf2 hxg4 21. hxg4 Kd7 22. Nfd2 Qe7 23. Nc4 Nb4 24. Nxd4 Bxg2 25. Qxg2 Nd5 26. Nb5 Rhb8 27. Rh7 a6 28. Nbd6 Kc6 29. Rxf7 Qg5 30. Ne4 Qh6 31. Rh1 Nh4 32. Qf2 Rh8 33. a4 Qg6 34. Na5+ 1-0

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "7"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Alzate, Javier"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "86"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. f4 e6 7. Nf3 Nge7 8. 0-0 0-0 9. Be3 Nd4 10. Qd2 Rb8 11. Rae1 b6 12. Ng5 d5 13. f5 exf5 14. Bf4 Rb7 15. exd5 Rd7 16. d6 Nec6 17. Nd5 h6 18. Nh3 g5 19. Nxg5 hxg5 20. Bxg5 f6 21. Bf4 Rxd6 22. Bxd6 Qxd6 23. c3 Ne6 24. Qd1 Ne5 25. d4 cxd4 26. Ne3 d3 27. Nxf5 Qc5+ 28. Kh1 Ba6 29. b4 Qc7 30. Nd4 Bc4 31. Be4 Ng5 32. Bg2 Ne6 33. Be4 Qd7 34. Bf5 Qd5+ 35. Be4 Qd6 36. Kg1 Nxd4 37. cxd4 Qxd4+ 38. Kh1 Bd5 39. Rf4 f5 40. Bg2 Bxg2+ 41. Kxg2 Qd5+ 42. Kh3 Rf6 43. Rh4 Nf3 0-1

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "5"]
[White "De Greif, Boris"]
[Black "Alzate, Javier"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "68"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. 0-0 Nc6 5. d4 e6 6. c4 cxd4 7. Nxd4 Be7 8. Nc3 0-0 9. cxd5 exd5 10. Be3 Be6 11. Rc1 Qd7 12. Nb3 Rfd8 13. Bc5 Rac8 14. Bxe7 Qxe7 15. Nd4 Qb4 16. Nxc6 bxc6 17. Qc2 c5 18. Na4 c4 19. a3 Qa5 20. e3 d4 21. exd4 Rxd4 22. Nc3 Bf5 23. Qa4 Qxa4 24. Nxa4 Bd7 25. Nc3 Rd2 26. Nd1 Ba4 27. Ne3 Bb3 28. Rc3 Rxb2 29. Rfc1 h5 30. Nxc4 Rxc4 31. Rxc4 Bxc4 32. Rxc4 Ng4 33. Rc8+ Kh7 34. Be4+ g6 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "1"]
[White "Guerrero, Alvaro P"]
[Black "Alzate, Javier"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "49"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 c5 2. d5 b5 3. e4 a6 4. c4 bxc4 5. Bxc4 d6 6. Nc3 Nf6 7. h3 g6 8. Nf3 Bg7 9. Be3 Nbd7 10. Qd2 Rb8 11. 0-0 0-0 12. Rab1 Nb6 13. Be2 e5 14. dxe6 Bxe6 15. Rfd1 Bc4 16. Bf4 Rb7 17. Bxc4 Nxc4 18. Qe2 Nh5 19. Bg5 Qa5 20. Qxc4 Rfb8 21. Nd5 Bxb2 22. Ne7+ Kg7 23. Nc6 Qc7 24. Nxb8 Rxb8 25. Rxb2 1-0

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "9"]
[White "Minaya Molano, Juan M"]
[Black "Alzate, Javier"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "95"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 Qa5 9. 0-0-0 0-0-0 10. Kb1 a6 11. Bxf6 gxf6 12. Rhe1 Rg8 13. Nh4 Qc5 14. g3 Qxd4 15. Rxd4 e6 16. f4 Be7 17. f5 b5 18. a3 a5 19. Ng2 Kd7 20. Ne3 Rb8 21. b3 Bd8 22. Red1 Bc7 23. a4 bxa4 24. Nxa4 Rb4 25. Rxb4 axb4 26. Rd4 Bxa4 27. bxa4 Bb6 28. Rd3 Ra8 29. Nc4 Bc5 30. a5 Kc6 31. Kb2 h5 32. Kb3 d5 33. exd5+ exd5 34. Ne3 Rxa5 35. Nxd5 Ra3+ 36. Kc4 Rxd3 37. cxd3 b3 38. Nc3 b2 39. Kb3 Kd6 40. Kxb2 Ke5 41. Kc2 Kxf5 42. Ne4 Bd4 43. Kd2 Kg4 44. Ke2 f5 45. Nf2+ Bxf2 46. Kxf2 f4 47. Kg2 fxg3 48. hxg3 1/2-1/2

[Event "COL-ch22"]
[Site "Barranquilla"]
[Date "1972.??.??"]
[Round "3"]
[White "Ruiz, Alciguel"]
[Black "Alzate, Javier"]
[Result "1/2-1/2"]
[ECO "A56"]
[PlyCount "89"]
[EventDate "1972.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. c4 d6 4. e4 Nf6 5. Nc3 Be7 6. f3 0-0 7. Be3 Na6 8. Qd2 Nc7 9. Nh3 a6 10. 0-0-0 b5 11. Nf2 bxc4 12. Bxc5 Nb5 13. Be3 Bd7 14. Kb1 Qc7 15. Rc1 Qb7 16. Ka1 Rfc8 17. Nb1 c3 18. Nxc3 Bd8 19. Nb1 Rxc1 20. Qxc1 Bb6 21. Bxb5 axb5 22. Bxb6 Qxb6 23. Qd2 Ne8 24. Rc1 Nc7 25. Nd3 Na6 26. b3 f5 27. Qf2 Qa5 28. Rc2 Be8 29. Qd2 b4 30. a4 fxe4 31. fxe4 Bb5 32. Kb2 Bxd3 33. Qxd3 Nc5 34. Qh3 Rf8 35. Nd2 Qa6 36. Nc4 h6 37. Qe3 Qa7 38. Qh3 Qe7 39. Qe3 Rf7 40. Qh3 Rf8 41. Qe3 Rf7 42. Qh3 Rf8 43. Qe3 Qf6 44. Ka2 Rf7 45. Nb2 1/2-1/2

