[Event "Medellin Flores op 24th"]
[Site "Medellin"]
[Date "2017.08.05"]
[Round "4"]
[White "Chaverra, Nilo"]
[Black "Gomez Olivares, Jose David"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2050"]
[BlackElo "1714"]
[PlyCount "57"]
[EventDate "2017.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. e3 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Be2 0-0 7. d4 e4 8. Nd2 Re8 9. Nf1 Nbd7 10. g4 Nf8 11. g5 N6d7 12. h4 c6 13. Qd2 b5 14. 0-0-0 a5 15. Ng3 d5 16. a4 bxa4 17. Nxa4 Nb6 18. Nc5 Ne6 19. f4 exf3 20. Bxf3 a4 21. e4 a3 22. Bc3 dxe4 23. Ngxe4 Nd5 24. Nxe6 Bxe6 25. Nc5 Bf5 26. Bxd5 Qxd5 27. h5 gxh5 28. Qf4 Re2 29. Rh2 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.05"]
[Round "6"]
[White "Avila Pavas, Santiago"]
[Black "Chaverra, Nilo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2240"]
[BlackElo "2092"]
[PlyCount "71"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 b6 2. Bf4 Bb7 3. e3 e6 4. Nf3 Nf6 5. Nbd2 Be7 6. Bd3 d5 7. Ne5 a6 8. Qf3 c5 9. c3 Nbd7 10. Rd1 Qc8 11. 0-0 h6 12. Nxd7 Qxd7 13. Be5 0-0-0 14. dxc5 bxc5 15. e4 Qa4 16. exd5 Bxd5 17. Qe2 Bb7 18. Nc4 Qc6 19. f3 Nd5 20. Bg3 Bf6 21. Be4 Rd7 22. Qd2 Rhd8 23. Bxd5 Rxd5 24. Qf4 e5 25. Qf5+ Kb8 26. Bxe5+ Ka8 27. Rxd5 Rxd5 28. Re1 Ka7 29. Qf4 Bxe5 30. Rxe5 Rd1+ 31. Kf2 Qc7 32. Qe3 Rd5 33. Re7 Qxh2 34. Qe4 Qh5 35. Rxb7+ Kxb7 36. Ne3 1-0

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.04"]
[Round "5"]
[White "Chaverra, Nilo"]
[Black "Ballesteros Lopez, William"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2092"]
[BlackElo "2053"]
[PlyCount "139"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 a6 4. c4 Nf6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Nf3 Bg4 9. Be2 0-0-0 10. Bc3 Bb4 11. 0-0 Qe4 12. Ng5 Bxe2 13. Qxe2 Qf5 14. Bxb4 Nxb4 15. Qc4 Qxg5 16. Qxb4 h5 17. Rac1 Rh6 18. f4 exf4 19. Rxf4 Rg6 20. g3 Rf6 21. Rxc7+ Kxc7 22. Qe7+ Kb6 23. Qxd8+ Ka7 24. Qd4+ Ka8 25. Rxf6 gxf6 26. Kg2 Qf5 27. d3 Qa5 28. a4 Qd2+ 29. Kh3 Qd1 30. Kh4 Qxb3 31. Kxh5 Qd1+ 32. Kh6 Qg1 33. Kg7 Qxh2 34. g4 Qh4 35. Kxf7 Qg5 36. Ke6 Qg6 37. Kd5 f5 38. gxf5 Qxf5+ 39. Kc4 Qe6+ 40. Kb4 b6 41. e4 Kb7 42. e5 Qe7+ 43. Kb3 Kc6 44. Qc4+ Kb7 45. d4 Qh7 46. Kc3 Qh3+ 47. Qd3 Qc8+ 48. Kb2 Qc6 49. Qh7+ Kb8 50. Qg8+ Kb7 51. Qf7+ Kc8 52. Kb3 Qe4 53. Qe6+ Kb7 54. Qd7+ Kb8 55. Kc4 Qc2+ 56. Kd5 Qb3+ 57. Kd6 Qa3+ 58. Ke6 Qh3+ 59. Ke7 Qh4+ 60. Kf8 Qh8+ 61. Kf7 Qh7+ 62. Ke6 Qh3+ 63. Kd6 Qa3+ 64. Kd5 Qb3+ 65. Ke4 Qc2+ 66. Kf4 Qf2+ 67. Kg5 Qe3+ 68. Kh5 Qf3+ 69. Qg4 Qf7+ 70. Kg5 1-0

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.04"]
[Round "4"]
[White "Estrella Becerra, Fernando"]
[Black "Chaverra, Nilo"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "1914"]
[BlackElo "2092"]
[PlyCount "93"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. d4 e6 4. Nf3 Nf6 5. g3 Bb4 6. Bd2 Nc6 7. a3 Bxc3 8. Bxc3 Ne4 9. Qd3 Ne7 10. Bg2 Nxc3 11. Qxc3 0-0 12. 0-0 f5 13. e3 Ng6 14. Rfd1 Qe7 15. b4 a5 16. b5 Be4 17. Rac1 Rab8 18. Ne1 Bxg2 19. Nxg2 d6 20. Nf4 Qf7 21. a4 Ne7 22. h4 h6 23. d5 e5 24. Ne6 Rfc8 25. f4 Ng6 26. Rf1 exf4 27. exf4 Nf8 28. Rce1 Re8 29. Nxf8 Kxf8 30. Rxe8+ Rxe8 31. Re1 Rxe1+ 32. Qxe1 Qf6 33. Kh2 g6 34. Kh3 h5 35. Qe2 Qa1 36. Kg2 Qxa4 37. Qe6 Qc2+ 38. Kg1 Qb1+ 39. Kh2 Qb2+ 40. Kh3 Kg7 41. Qe7+ Kh6 42. Qxc7 Qb1 43. Kg2 Qe4+ 44. Kf2 Qd4+ 45. Kg2 Qd2+ 46. Kf3 Qd3+ 47. Kf2 1/2-1/2

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.03"]
[Round "2"]
[White "Chaverra, Nilo"]
[Black "Dominguez, Ramiro"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2092"]
[BlackElo "2256"]
[PlyCount "106"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. c4 d5 5. cxd5 Nxd5 6. Nf3 e4 7. Nd4 Nxd4 8. Bxd4 Bf5 9. Nc3 h5 10. Nxd5 Qxd5 11. Qc2 c6 12. Be2 h4 13. a3 a5 14. Qc3 Rh7 15. Bc4 Qd7 16. Bb6 Be7 17. Qe5 Kf8 18. Bc5 Bxc5 19. Qxc5+ Kg8 20. 0-0 h3 21. g3 Bg4 22. Rfe1 Rh5 23. Qd4 Qe7 24. f4 Rd8 25. Qc3 Qd6 26. Be2 Bxe2 27. Rxe2 Rc5 28. Qb2 Qd3 29. Rae1 Rc2 30. Qe5 Rxd2 31. Qxa5 Rxe2 32. Rxe2 Rd5 33. Qa8+ Kh7 34. Kf2 Qd1 35. Qc8 Rd7 36. Qe8 Qd5 37. g4 Rd8 38. Qe7 Rd7 39. Qh4+ Kg8 40. Qxh3 Qxb3 41. g5 Qd5 42. f5 Rd6 43. Qg4 Qe5 44. Qf4 Rd5 45. h4 Qxf5 46. Kg3 Qe6 47. Rf2 Re5 48. h5 Qd5 49. Kg4 Qd1+ 50. Kg3 f6 51. gxf6 Qxh5 52. f7+ Kf8 53. Rh2 Qg6+ 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.03"]
[Round "3"]
[White "Lopez Ramirez, Jorge Hernan"]
[Black "Chaverra, Nilo"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1962"]
[BlackElo "2092"]
[PlyCount "87"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Qe2 Nf6 5. Bg5 Be7 6. f4 d5 7. Bxf6 gxf6 8. Nd2 c5 9. dxc5 bxc5 10. exd5 Bxd5 11. Ngf3 Qb6 12. Nc4 Qc7 13. Qe3 Nc6 14. c3 Rb8 15. b3 Kf8 16. 0-0 h5 17. Rad1 h4 18. h3 a5 19. Nb2 Nd8 20. Kh1 Bd6 21. f5 Bf4 22. Qf2 Rh6 23. Be2 Nb7 24. Nd3 Bd6 25. Qe3 Rh5 26. fxe6 Bxe6 27. Nd2 Rh8 28. Rxf6 Qe7 29. Rdf1 Nd8 30. Ne5 Ke8 31. a4 Bxe5 32. Qxe5 Nc6 33. Qe4 Kd7 34. Bg4 Nd8 35. Nc4 Rxb3 36. Bxe6+ fxe6 37. Ne5+ Kc8 38. Ng6 Qh7 39. Qa8+ Rb8 40. Qa6+ Rb7 41. Nxh8 Qxh8 42. Rf8 Qh7 43. Rd1 Kc7 44. Qd6+ 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "8"]
[White "Cardona, Albeiro"]
[Black "Chaverra, Nilo"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2117"]
[PlyCount "70"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Bb4 5. Nf3 Nf6 6. Qe2 Bxc3+ 7. bxc3 d6 8. 0-0 h6 9. e5 Nfd7 10. exd6 cxd6 11. Ba3 Qe7 12. Ne5 Qg5 13. f4 Qxg2+ 14. Qxg2 Bxg2 15. Rf2 dxe5 16. Kxg2 Nc6 17. fxe5 f5 18. exf6 Nxf6 19. Re1 Kd7 20. Rfe2 Nd5 21. Kg3 Nd8 22. c4 Nf6 23. d5 exd5 24. Re7+ Kc6 25. cxd5+ Nxd5 26. Be4 b5 27. Bxd5+ Kxd5 28. R1e5+ Kd4 29. Re8 Rxe8 30. Rxe8 Rc8 31. Bb2+ Kd5 32. Bxg7 Kd6 33. Bf6 Kd7 34. Rxd8+ Rxd8 35. Bxd8 Kxd8 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.07"]
[Round "6"]
[White "Ramirez, Heimy Polgar"]
[Black "Chaverra, Nilo"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2127"]
[PlyCount "65"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 b6 2. d4 Bb7 3. e3 Nf6 4. c4 e6 5. Nc3 Bb4 6. Be2 Ne4 7. Qc2 0-0 8. 0-0 f5 9. Rd1 Bxc3 10. bxc3 Ng5 11. d5 Nxf3+ 12. Bxf3 e5 13. e4 f4 14. c5 d6 15. cxd6 cxd6 16. a4 Nd7 17. Ba3 Qc7 18. Be2 Nf6 19. f3 g5 20. Qb3 Bc8 21. Qb4 Rd8 22. Bc1 g4 23. a5 gxf3 24. Bxf3 Bg4 25. axb6 axb6 26. Bd2 Rdb8 27. Kf2 Kf7 28. Ke2 Ke7 29. Rdb1 Rxa1 30. Rxa1 Bxf3+ 31. gxf3 b5 32. Ra6 Rb6 33. Ra1 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Figueroa Navarro, Juan Jose"]
[Black "Chaverra, Nilo"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2002"]
[PlyCount "86"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. c3 cxd4 6. cxd4 Nf6 7. Nc3 Bb4 8. Qc2 h6 9. Bf4 a6 10. 0-0 0-0 11. a3 Be7 12. Rfd1 d6 13. Rac1 Nbd7 14. h3 Rc8 15. Qe2 b5 16. e5 Ne8 17. Ne4 Rxc1 18. Rxc1 Nb6 19. Bd2 Nd5 20. a4 bxa4 21. Bxa6 Qb6 22. Bb5 dxe5 23. dxe5 Nec7 24. Bxa4 Qxb2 25. Qe1 Qb6 26. Ba5 Qa6 27. Nc5 Bxc5 28. Rxc5 Qa7 29. Rc4 Ba6 30. Rg4 Bd3 31. Qd2 Bf5 32. Rg3 Bg6 33. Nh4 Ra8 34. Bxc7 Qxc7 35. Bb3 Qxe5 36. Nxg6 fxg6 37. Bc2 Nf4 38. Re3 Qc7 39. Re1 Rd8 40. Qe3 e5 41. Qxe5 Qxe5 42. Rxe5 Rc8 43. Bb3+ Kh7 1/2-1/2

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.17"]
[Round "9"]
[White "Chaverra, Nilo"]
[Black "Rodriguez Lopez, Andres Camilo"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1778"]
[BlackElo "1923"]
[PlyCount "197"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. e3 c5 4. Nf3 Nc6 5. Be2 g6 6. Ne5 Nxe5 7. Bxe5 Bg7 8. 0-0 0-0 9. f4 b6 10. Bf3 Bb7 11. Nc3 Qd7 12. Ne2 Ne8 13. Bxg7 Nxg7 14. Ng3 Rad8 15. d3 Rfe8 16. Qd2 e6 17. Rae1 Nf5 18. Qf2 Nh4 19. Bd1 Nf5 20. Nxf5 exf5 21. h4 Re6 22. Re2 Rde8 23. Rfe1 h5 24. Qg3 Qe7 25. Qg5 Qxg5 26. hxg5 f6 27. gxf6 Kf7 28. Kf2 Kxf6 29. Rh1 a5 30. Ree1 Bc6 31. Bf3 d4 32. Bxc6 dxe3+ 33. Kf3 Rxc6 34. Rxe3 Rxe3+ 35. Kxe3 Re6+ 36. Kf3 Rd6 37. Re1 Rd8 38. g3 Rh8 39. Re2 Rd8 40. a4 Rh8 41. Rd2 Rc8 42. c3 Rc7 43. Rb2 Rd7 44. Ke3 Re7+ 45. Kd2 g5 46. b4 cxb4 47. cxb4 gxf4 48. gxf4 axb4 49. Rxb4 Re6 50. Rb1 Kg6 51. Rg1+ Kh6 52. Rg5 Rf6 53. Ke2 Rf8 54. d4 Rd8 55. Kd3 Rd5 56. Rg8 Ra5 57. Rb8 Rxa4 58. Rxb6+ Kg7 59. Rb1 Ra3+ 60. Ke2 Ra2+ 61. Kf3 Ra3+ 62. Kg2 Rd3 63. Rb7+ Kf6 64. Rd7 Ke6 65. Rd8 h4 66. Kh2 Rf3 67. d5+ Ke7 68. Rh8 Rxf4 69. Rh6 Rd4 70. Kh3 Rxd5 71. Rxh4 Kf6 72. Ra4 Rd7 73. Kg3 Kg5 74. Ra8 Rd3+ 75. Kf2 Rb3 76. Ra7 Kg4 77. Ra2 f4 78. Kg2 Rg3+ 79. Kh2 Rh3+ 80. Kg2 Rh7 81. Ra4 Rh8 82. Rb4 Ra8 83. Rb2 Ra3 84. Rc2 Rd3 85. Ra2 Rb3 86. Rc2 Rg3+ 87. Kh2 Rh3+ 88. Kg1 Rh8 89. Rg2+ Kf3 90. Rf2+ Ke3 91. Ra2 Rd8 92. Ra3+ Ke2 93. Ra2+ Kf3 94. Ra3+ Kg4 95. Kf2 Rd2+ 96. Kf1 Rb2 97. Rc3 Ra2 98. Rb3 f3 99. Rb8 1/2-1/2

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.17"]
[Round "8"]
[White "Chaverra, Nilo"]
[Black "Tirado, Juan Camilo"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1778"]
[BlackElo "1983"]
[PlyCount "54"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. c4 Be7 5. Nc3 0-0 6. Rc1 d5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Nf3 Bg4 10. Bc4 Qd6 11. Be2 Bf6 12. h3 Be6 13. Nh2 g6 14. 0-0 Rad8 15. Bc3 Nb4 16. Ra1 Nd5 17. Bb2 e4 18. Qc1 Bxb2 19. Qxb2 Nb4 20. Rfd1 Nd3 21. Bxd3 Qxd3 22. Nf1 Rd5 23. Rac1 c6 24. Rc3 Qe2 25. Qc1 Rf5 26. Ng3 Qxf2+ 27. Kh2 Rg5 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.16"]
[Round "6"]
[White "Chaverra, Nilo"]
[Black "Pedraza, Yonnattanth"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1778"]
[BlackElo "1911"]
[PlyCount "64"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 Qh4+ 6. g3 Qe7 7. Nf3 f6 8. fxe5 fxe5 9. Bxc6+ bxc6 10. Nxe5 Nf6 11. Nd3 0-0 12. 0-0 Bh3 13. Bxf6 Rxf6 14. Rxf6 Qxf6 15. Nc3 Rf8 16. Qe2 Qg6 17. Nf2 Bd7 18. Qd3 Bxg3 19. Qxg6 Bxf2+ 20. Kg2 hxg6 21. Rf1 Bh4 22. Rxf8+ Kxf8 23. Kf3 Bf5 24. d3 Be1 25. Ne2 Ke7 26. e4 dxe4+ 27. dxe4 Bd7 28. Kf4 Bd2+ 29. Kf3 Kf6 30. Ng3 Ke5 31. Nf1 Bf4 32. c3 c5 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.16"]
[Round "7"]
[White "Hoyos Campuzano, Efrain"]
[Black "Chaverra, Nilo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1853"]
[BlackElo "1778"]
[PlyCount "40"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. c3 cxd4 6. cxd4 Bb4+ 7. Nc3 Nf6 8. Qe2 h6 9. 0-0 Bxc3 10. bxc3 Nc6 11. c4 Nb4 12. Bc2 Nxc2 13. Qxc2 Bxe4 14. Qd2 Bxf3 15. gxf3 0-0 16. Bb2 d5 17. cxd5 Nxd5 18. Rac1 Qh4 19. Ba3 Rfc8 20. Bd6 Qh3 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.15"]
[Round "5"]
[White "Vanegas, Ricardo"]
[Black "Chaverra, Nilo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1989"]
[BlackElo "1778"]
[PlyCount "23"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Bb4 5. Qg4 g6 6. e5 h5 7. Qg3 h4 8. Qh3 c5 9. a3 Ba5 10. dxc5 bxc5 11. Bd2 Nc6 12. Nf3 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.14"]
[Round "3"]
[White "Cayon, Diego Mauricio"]
[Black "Chaverra, Nilo"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1992"]
[BlackElo "1778"]
[PlyCount "15"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Qc2 Nc6 6. Bg5 f6 7. Bh4 g5 8. Bg3 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.14"]
[Round "4"]
[White "Chaverra, Nilo"]
[Black "Valderrama Quiceno, Esteban Alberto"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1778"]
[BlackElo "1862"]
[PlyCount "90"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d6 4. Nf3 Nf6 5. Bb5 a6 6. Bxc6+ bxc6 7. h3 Be7 8. Nc3 c5 9. d3 Bb7 10. 0-0 0-0 11. e4 Ne8 12. Qe2 Qd7 13. Nd1 f5 14. Nd2 Nf6 15. exf5 Qxf5 16. Ne3 Qg6 17. Rae1 Nh5 18. Qg4 Qf7 19. c4 Nf4 20. Ne4 h5 21. Qd1 Qg6 22. Kh2 Nxd3 23. Qxd3 Bxe4 24. Qe2 Bd3 25. Qd2 Bxf1 26. Rxf1 Bg5 27. Qd5+ Qf7 28. Bc1 Qxd5 29. Nxd5 Bxc1 30. Rxc1 c6 31. Ne7+ Kf7 32. Nxc6 a5 33. Rd1 Ke6 34. f4 Ra6 35. f5+ Rxf5 36. Nd8+ Kd7 37. g4 hxg4 38. hxg4 Rf8 39. Nb7 Kc7 40. Nxc5 dxc5 41. Rd5 Re6 42. Rxc5+ Kb6 43. Rb5+ Ka6 44. Kg3 e4 45. Rf5 e3 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.13"]
[Round "2"]
[White "Chaverra, Nilo"]
[Black "Jaimes Beltran, Reny"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1778"]
[PlyCount "57"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. b3 Nc6 2. Bb2 Nf6 3. e3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bb5 d6 7. 0-0 a6 8. Bxc6 bxc6 9. Qe2 Bf5 10. d3 c5 11. Nbd2 Re8 12. Rae1 Bg4 13. h3 Bxf3 14. Qxf3 e5 15. fxe5 dxe5 16. Nc4 Qd5 17. e4 Qe6 18. Bxe5 Nd7 19. Bxg7 Kxg7 20. Qf4 Rac8 21. Re3 Nb6 22. Ref3 Re7 23. Ne3 Rf8 24. Qg5 Kh8 25. Qxc5 Qe5 26. Qxe5+ Rxe5 27. Rxf7 Rxf7 28. Rxf7 Rc5 29. c4 1-0

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.14"]
[Round "3.1"]
[White "Chaverra, Nilo"]
[Black "Mora, Luis Jose"]
[Result "1/2-1/2"]
[ECO "A03"]
[BlackElo "2016"]
[PlyCount "24"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 e6 4. Bd3 Nf6 5. f4 Nc6 6. Nf3 Be7 7. 0-0 0-0 8. c4 Ne4 9. Bxe4 dxe4 10. Ne5 f5 11. Nc3 Bd6 12. Nxc6 bxc6 1/2-1/2

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.14"]
[Round "2.1"]
[White "Ramirez, Jaime Orlando"]
[Black "Chaverra, Nilo"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1985"]
[PlyCount "36"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. 0-0 cxd4 6. Nxd4 Nc6 7. Nxc6 Bxc6 8. Nc3 Nf6 9. Bg5 Be7 10. f4 h6 11. Bxf6 Bxf6 12. e5 Be7 13. Qg4 0-0 14. Rad1 f5 15. exf6 Rxf6 16. Be4 d5 17. Bg6 Qc7 18. Rfe1 Qd6 0-1

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.13"]
[Round "1.1"]
[White "Chaverra, Nilo"]
[Black "Nunez Vergara, Daniel"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "2203"]
[PlyCount "47"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nf6 4. Nf3 g6 5. Be2 Nc6 6. 0-0 Bg7 7. d4 cxd4 8. Nxd4 0-0 9. Nd2 Ne8 10. N2f3 Nd6 11. Nxc6 bxc6 12. Bxg7 Kxg7 13. Ne5 Qc7 14. Nf3 Ne4 15. Bd3 Nf6 16. c4 e5 17. Be2 Rd8 18. cxd5 cxd5 19. Rc1 Qd6 20. Qd2 Ne4 21. Qb2 f6 22. Bd3 Nc5 23. Bb1 Ba6 24. Rfd1 0-1

[Event "Medellin Amateur 17th"]
[Site "Medellin"]
[Date "2010.08.08"]
[Round "9.1"]
[White "Chaverra, Nilo"]
[Black "Diaz P, Richard"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1646"]
[BlackElo "1710"]
[PlyCount "101"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nd7 3. e3 Ngf6 4. f4 b6 5. Nf3 Bb7 6. Bb5 c6 7. Be2 e6 8. 0-0 Be7 9. Ne5 0-0 10. Bf3 Nxe5 11. Bxe5 Nd7 12. Bb2 Bf6 13. Bxf6 Qxf6 14. Nc3 Rac8 15. Ne2 Ba8 16. Ng3 c5 17. d3 Rfe8 18. Qd2 Nf8 19. Rae1 c4 20. d4 cxb3 21. axb3 Rc7 22. Ra1 Rec8 23. Ra2 g6 24. Rfa1 Qe7 25. Bd1 a5 26. b4 Bc6 27. bxa5 bxa5 28. Rxa5 Rb7 29. c3 Bb5 30. Be2 Bxe2 31. Nxe2 Rcb8 32. Qd3 Qc7 33. Ra8 Rxa8 34. Rxa8 Rb8 35. Rxb8 Qxb8 36. c4 dxc4 37. Qxc4 Qb1+ 38. Kf2 Kg7 39. Qc3 Qf5 40. Ng3 Qd5 41. e4 Qa2+ 42. Ne2 Qa6 43. g4 h6 44. d5+ Kg8 45. Qd4 Qd6 46. dxe6 Qxe6 47. f5 Qe7 48. Qe3 Qh4+ 49. Qg3 Qxg3+ 50. Kxg3 g5 51. h4 1/2-1/2

[Event "Medellin Amateur 17th"]
[Site "Medellin"]
[Date "2010.08.08"]
[Round "8.1"]
[White "Pedraza, Yonnattanth"]
[Black "Chaverra, Nilo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1781"]
[BlackElo "1646"]
[PlyCount "26"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. c3 cxd4 6. cxd4 Nf6 7. Nc3 Be7 8. 0-0 h6 9. Re1 Bb4 10. Qb3 Bxc3 11. bxc3 0-0 12. a4 Nc6 13. d5 Rc8 0-1

[Event "Medellin Amateur 17th"]
[Site "Medellin"]
[Date "2010.08.07"]
[Round "6.3"]
[White "Chaverra, Nilo"]
[Black "Gallego, Orlando"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1646"]
[BlackElo "1779"]
[PlyCount "56"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nc6 4. Nf3 Nf6 5. Bb5 Bd7 6. 0-0 a6 7. Bxc6 Bxc6 8. Ne5 Qc7 9. f4 Nd7 10. d3 Nxe5 11. fxe5 Bd7 12. Nd2 h6 13. Nf3 g5 14. Qe2 Be6 15. c4 dxc4 16. d4 cxd4 17. Nxd4 Bd5 18. e4 Bc6 19. e6 f6 20. Qh5+ Kd8 21. Rad1 Kc8 22. Nxc6 Qxc6 23. Rd7 Bg7 24. Qf7 Kb8 25. Qxg7 Re8 26. Qf7 c3 27. Bxc3 Qxc3 28. Qxe8+ Ka7 1-0

[Event "Medellin Amateur 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "2.22"]
[White "Chaverra, Nilo"]
[Black "Zuniga, Eddy Andres"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1646"]
[PlyCount "91"]
[EventDate "2010.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Ne2 g6 5. Ng3 Bg7 6. Be2 d6 7. Nc3 0-0 8. 0-0 Be6 9. Bf3 Ne8 10. Bxc6 bxc6 11. Nce2 f5 12. f4 Qh4 13. Qe1 Bf6 14. d4 e4 15. Qa5 Bd8 16. Rad1 Nf6 17. Qd2 Ng4 18. h3 Nh6 19. c4 d5 20. Rc1 g5 21. cxd5 cxd5 22. fxg5 Bxg5 23. Rxc7 Rf6 24. Bc1 Rg6 25. Qe1 Kh8 26. Rc6 Rag8 27. Qf2 Ng4 28. hxg4 Rh6 29. Nh5 Qxg4 30. Nef4 Bh4 31. Qe2 Qxe2 32. Nxe2 Rxh5 33. Rxe6 Rhg5 34. Nf4 Bg3 35. Rf2 Rc8 36. Rf1 Rg4 37. Ba3 Rcg8 38. Be7 h5 39. Nxh5 Bh2+ 40. Kxh2 Rxg2+ 41. Kh3 R2g6 42. Rxg6 Rxg6 43. Rxf5 a5 44. Rxd5 a4 45. bxa4 Rg8 46. a5 1-0

