[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.07"]
[Round "11"]
[White "Agudelo Pineres, Oscar Marino"]
[Black "Acosta, Luis Ivan"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1739"]
[BlackElo "1879"]
[PlyCount "39"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. d5 a6 9. g4 h5 10. h4 Rb8 11. Bg5 Qe8 12. 0-0-0 Kh7 13. Bh3 b5 14. cxb5 axb5 15. gxh5 Nxh5 16. Bg4 Ndf6 17. Bxf6 Nxf6 18. h5 Kg8 19. h6 Bh8 20. h7+ 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.06"]
[Round "10"]
[White "Acosta, Luis Ivan"]
[Black "Ramirez, Carlos"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1879"]
[BlackElo "2280"]
[PlyCount "45"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nc6 2. Nc3 e6 3. g3 Nf6 4. Bg2 d5 5. d4 b6 6. Bg5 Bb7 7. e3 Bb4 8. Bxf6 Qxf6 9. cxd5 Ne7 10. Qa4+ c6 11. Qxb4 exd5 12. Nf3 0-0 13. Ne5 Rad8 14. 0-0 Ng6 15. f4 Qe6 16. f5 Qd6 17. Qxd6 Rxd6 18. fxg6 fxg6 19. Rxf8+ Kxf8 20. Rf1+ Kg8 21. Rf7 Ba6 22. Rxa7 Bb5 23. Ra8+ 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.06"]
[Round "9"]
[White "Pena Mora, Carlos"]
[Black "Acosta, Luis Ivan"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1658"]
[BlackElo "1879"]
[PlyCount "90"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. g3 Bc5 3. Bg2 c6 4. e3 Qb6 5. Ne2 d6 6. Nbc3 Nd7 7. Na4 Qc7 8. Nxc5 Nxc5 9. d4 Ne6 10. d5 Nd8 11. e4 Bg4 12. h3 Bd7 13. 0-0 Ne7 14. f4 exf4 15. Nxf4 f6 16. Qh5+ Nf7 17. Ne6 Qb6+ 18. Kh2 g6 19. Qf3 f5 20. Ng7+ Kd8 21. Bd2 Ne5 22. Qa3 Nxc4 23. Qc3 Nxd2 24. Ne6+ Bxe6 25. Qxh8+ Kc7 26. Qxa8 Nxf1+ 27. Rxf1 Bc8 28. dxc6 bxc6 29. exf5 d5 30. f6 Nf5 31. f7 Qc5 32. b4 Qxb4 33. Qxa7+ Bb7 34. a4 Qd6 35. Qa5+ Kc8 36. Qc3 d4 37. Qb3 h5 38. Qd3 Qf6 39. g4 hxg4 40. hxg4 Qd6+ 41. Kg1 c5 42. Bxb7+ Kxb7 43. Qe4+ Ka7 44. gxf5 Qg3+ 45. Qg2 Qd6 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.05"]
[Round "8"]
[White "Acosta, Luis Ivan"]
[Black "Gaviria Galvis, Andres Felipe"]
[Result "0-1"]
[ECO "A71"]
[WhiteElo "1879"]
[BlackElo "2077"]
[PlyCount "56"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 0-0 9. Bd3 a6 10. a4 Bg4 11. h3 Bxf3 12. Qxf3 Nbd7 13. Qe3 Re8 14. f4 h6 15. Bh4 Nxd5 16. Nxd5 Qxh4+ 17. g3 Qd8 18. Rh2 Nb6 19. Nc3 c4 20. Bc2 d5 21. Qf3 d4 22. Nd1 d3 23. Bb1 Qd4 24. Rf2 Rxe4+ 25. Kf1 Rae8 26. Ba2 Re1+ 27. Kg2 Nd5 28. Rb1 Rxd1 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.05"]
[Round "7"]
[White "Rosero, Hugo Alberto"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1664"]
[BlackElo "1879"]
[PlyCount "121"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. Bg5 h6 7. Bh4 d6 8. h3 Bd7 9. Nc3 g5 10. Bg3 Qe7 11. a3 Ba7 12. Qd2 Nd4 13. Bxd7+ Qxd7 14. Nxd4 Bxd4 15. 0-0-0 0-0-0 16. f3 Qc6 17. Bf2 Bxf2 18. Qxf2 Kb8 19. Kb1 b5 20. d4 Qb6 21. Rd2 Kc8 22. Rhd1 Rhe8 23. Qf1 c5 24. dxe5 dxe5 25. Nd5 Nxd5 26. Rxd5 f6 27. Qf2 Kc7 28. Rd7+ Rxd7 29. Rxd7+ Kc8 30. Qd2 Rd8 31. Rd5 c4 32. Ka2 a5 33. b4 cxb3+ 34. cxb3 Rxd5 35. exd5 Kd7 36. b4 a4 37. Kb2 Qd4+ 38. Qc3 Qxc3+ 39. Kxc3 Kd6 40. Kd3 Kxd5 41. Ke3 Kd6 42. Ke4 Ke6 43. Ke3 f5 44. Kd3 Kf6 45. Ke3 Kg6 46. Kd3 h5 47. Ke3 g4 48. hxg4 hxg4 49. fxg4 fxg4 50. Ke4 Kf6 51. Kd3 Ke6 52. Ke4 Kd6 53. Kf5 Kd5 54. Kxg4 e4 55. Kf5 Kd4 56. g4 e3 57. g5 e2 58. g6 e1Q 59. Kf6 Qg3 60. g7 Qxg7+ 61. Kxg7 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.04"]
[Round "6"]
[White "Acosta, Luis Ivan"]
[Black "Beltran, Carlos Armando"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1879"]
[BlackElo "2237"]
[PlyCount "44"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. e4 c5 7. d5 0-0 8. h3 Re8 9. Be2 exd5 10. exd5 Qe7 11. Rc1 Bf5 12. Rc3 Na6 13. a3 h6 14. Nf1 Nc7 15. Ne3 Bg6 16. 0-0 Ne4 17. Rb3 Rab8 18. Re1 a6 19. a4 a5 20. Nh2 Na6 21. Bh5 Qh4 22. Bxg6 Qxf2+ 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.03"]
[Round "4"]
[White "Acosta, Luis Ivan"]
[Black "Posada Zuluaga, Juan Manuel"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1879"]
[BlackElo "2101"]
[PlyCount "82"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 c6 4. Bg2 e5 5. e3 Be7 6. Nge2 0-0 7. 0-0 Nbd7 8. d3 a5 9. a3 Nc5 10. d4 Ne6 11. Bd2 Re8 12. Rb1 Bf8 13. b4 exd4 14. exd4 axb4 15. axb4 Nc7 16. Re1 Be6 17. c5 Ncd5 18. Bg5 Qc7 19. Bxf6 Nxf6 20. Nf4 Bf5 21. Ra1 Rad8 22. Rxe8 Nxe8 23. Qf3 dxc5 24. dxc5 Nf6 25. Nh5 Qe5 26. Nxf6+ Qxf6 27. Rd1 Rxd1+ 28. Nxd1 Qe5 29. Qc3 Qe2 30. Bf3 Qd3 31. Qxd3 Bxd3 32. Nc3 g6 33. Ne4 f5 34. Nf6+ Kf7 35. Nd7 Bg7 36. Nb6 Ke6 37. g4 Bc3 38. gxf5+ gxf5 39. Bd1 Bxb4 40. Bb3+ Ke5 41. Nd7+ Kd4 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.03"]
[Round "5"]
[White "Valdes, Nicolas"]
[Black "Acosta, Luis Ivan"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2095"]
[BlackElo "1879"]
[PlyCount "99"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Qh4 10. Qe2 Bc5 11. c3 0-0 12. f3 Ng5 13. Bxg5 Qxg5 14. f4 Qh4 15. g3 Qh3 16. Nd2 Bg4 17. Qg2 Qh5 18. b4 Bb6 19. N2b3 f6 20. Rae1 Rae8 21. exf6 Rxf6 22. Nc5 Rh6 23. Qf2 Rf8 24. Re5 Qf7 25. Rfe1 Rd8 26. Qe3 Rf6 27. Kg2 Bxc5 28. bxc5 Qf8 29. h3 Bd7 30. Ne6 Bxe6 31. Rxe6 Rb8 32. Re8 Rxe8 33. Qxe8 Qxe8 34. Rxe8+ Rf8 35. Re6 Rf6 36. Re2 Kf7 37. Rb2 Ke7 38. Rb7 Kd7 39. Rxa7 Re6 40. Kf3 Re4 41. Ra8 h5 42. Rg8 Rc4 43. Rxg7+ Kc8 44. Rg8+ Kb7 45. f5 Rxc3+ 46. Ke2 Rxc5 47. f6 Rc2+ 48. Ke3 c5 49. f7 d4+ 50. Ke4 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.02"]
[Round "3"]
[White "Rico Amortegui, Oswaldo Jose"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "C97"]
[WhiteElo "2022"]
[BlackElo "1879"]
[PlyCount "120"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 0-0 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 13. Bg5 h6 14. Bh4 Rfe8 15. Bg3 Nc4 16. b3 Nb6 17. Nbd2 c4 18. b4 a5 19. a3 axb4 20. axb4 Rxa1 21. Qxa1 Ra8 22. Qb2 Na4 23. Bxa4 Rxa4 24. Ra1 Qa7 25. Rxa4 Qxa4 26. Qc1 Nh5 27. Bh2 g5 28. Nf1 Kh7 29. Ne3 Nf4 30. Bxf4 exf4 31. Nc2 Bf6 32. Nfd4 Be5 33. f3 Kg6 34. Kf1 f5 35. Qe1 Qa2 36. Qa1 Qxa1+ 37. Nxa1 fxe4 38. fxe4 h5 39. Nac2 g4 40. hxg4 hxg4 41. Ne2 Kg5 42. Ncd4 Bxd4 43. cxd4 f3 44. gxf3 gxf3 45. Nc3 Kf4 46. Kf2 Be8 47. e5 dxe5 48. dxe5 Kxe5 49. Kxf3 Kd4 50. Ne2+ Kd3 51. Nf4+ Kd2 52. Ke4 c3 53. Kd4 c2 54. Nd3 Bg6 55. Nc5 Kd1 56. Nb3 c1Q 57. Nxc1 Kxc1 58. Kc5 Be8 59. Kd6 Kc2 60. Ke7 Bh5 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.02"]
[Round "2"]
[White "Sandoval Guerrero, Juan David"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1501"]
[BlackElo "1879"]
[PlyCount "50"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. 0-0 d6 6. d4 Bb6 7. d5 Nb8 8. Bd3 Nf6 9. Bg5 Nbd7 10. b4 h6 11. Bh4 g5 12. Bg3 Nf8 13. Bb5+ Kd8 14. Re1 Ng6 15. h4 g4 16. Nfd2 a6 17. Be2 Nh5 18. Kh2 Nxh4 19. Bxg4 Nf4 20. Bxf4 exf4 21. Rf1 Qg5 22. Bf3 Rg8 23. Qe2 Nxg2 24. Kg1 Ne3+ 25. Kh2 Qh4# 0-1

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.08"]
[Round "8.18"]
[White "Acosta, Luis Ivan"]
[Black "Cardona, Jeyson"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1816"]
[BlackElo "1818"]
[PlyCount "30"]
[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. c4 e5 2. Nc3 Nf6 3. d3 Bb4 4. g3 Bxc3+ 5. bxc3 c5 6. Bg2 0-0 7. Nf3 e4 8. Ng5 exd3 9. Qxd3 Nc6 10. f4 h6 11. Ne4 Nxe4 12. Bxe4 d6 13. Be3 Re8 14. Kf2 Qe7 15. Rad1 Qxe4 0-1

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.08"]
[Round "9.19"]
[White "Acosta, Luis Ivan"]
[Black "Castillo, Arcenover"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1816"]
[BlackElo "1854"]
[PlyCount "79"]
[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. c4 e5 2. Nc3 f5 3. d3 Nf6 4. Bg5 Bc5 5. e3 0-0 6. g3 c6 7. Bg2 h6 8. Bxf6 Qxf6 9. Nge2 Na6 10. a3 Nc7 11. 0-0 Ne6 12. b4 Bb6 13. Qd2 d6 14. a4 a6 15. b5 axb5 16. axb5 Rxa1 17. Rxa1 Bd7 18. Ra2 Ng5 19. Na4 Bc7 20. Nac3 Be6 21. bxc6 bxc6 22. Bxc6 e4 23. Nd5 Nf3+ 24. Kg2 Bxd5 25. Bxd5+ Kh7 26. Qc3 Ne5 27. Nf4 Rb8 28. dxe4 Rb1 29. Ra7 Bb6 30. Nh5 Rg1+ 31. Kh3 Bxa7 32. Nxf6+ gxf6 33. exf5 h5 34. Qb3 Kh6 35. Qb7 Bc5 36. Qe7 Ng4 37. f4 Bxe3 38. Qf8+ Kh7 39. Qg8+ Kh6 40. Qg6# 1-0

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.07"]
[Round "6.20"]
[White "Acosta, Luis Ivan"]
[Black "Ordonez, Luis Anibal"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1816"]
[BlackElo "1874"]
[PlyCount "61"]
[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. c4 Nf6 2. Nc3 e5 3. d3 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. g3 Be6 7. Qc2 Nc6 8. Nf3 Be7 9. Bg2 Qd7 10. h4 h6 11. Be3 a6 12. Qd2 Nd5 13. Kf1 Nxe3+ 14. Qxe3 f6 15. Rc1 Rb8 16. Nd2 Nd4 17. Qe4 f5 18. Qxe5 Bf6 19. Qf4 Kf7 20. Nf3 Nc6 21. d4 Nxd4 22. Ne5+ Bxe5 23. Qxe5 Rhe8 24. Rd1 c5 25. Qxc5 Rbd8 26. e3 b5 27. Rxd4 Bc4+ 28. Rxc4 Qd3+ 29. Kg1 bxc4 30. Bd5+ Kg6 31. Bxc4 1-0

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.06"]
[Round "4.16"]
[White "Acosta, Luis Ivan"]
[Black "Garzon, Ivan Ricardo"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "1816"]
[BlackElo "1878"]
[PlyCount "104"]
[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. c4 c6 2. Nc3 d5 3. d4 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. a4 Bb4 7. e3 b5 8. axb5 cxb5 9. Qc2 Bb7 10. Be2 h6 11. Bxf6 Qxf6 12. 0-0 a6 13. Rfd1 0-0 14. Ne5 Rd8 15. Bf3 Bxf3 16. Nxf3 Bxc3 17. bxc3 Nc6 18. Qe4 Ne7 19. Ra3 Nd5 20. Rda1 Rd6 21. Qg4 Rb6 22. e4 Qf4 23. Qxf4 Nxf4 24. Ne5 Rd6 25. g3 Nh3+ 26. Kg2 Ng5 27. f3 f6 28. Ng4 Nf7 29. f4 Rb6 30. Ne3 Nd6 31. Kf3 Nb7 32. Rb1 Rc8 33. g4 a5 34. f5 b4 35. Ra4 exf5 36. gxf5 b3 37. Nd5 Rbc6 38. Ne7+ Kf8 39. Nxc8 Rxc8 40. Kf4 Ke7 41. e5 fxe5+ 42. dxe5 Nc5 43. Rxc4 Ne6+ 44. fxe6 Rxc4+ 45. Kf5 Rxc3 46. Rd1 a4 47. Rd7+ Ke8 48. Ra7 b2 49. Ra8+ Ke7 50. Ra7+ Kd8 51. Rb7 Rb3 52. e7+ Ke8 0-1

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.06"]
[Round "5.24"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1810"]
[BlackElo "1816"]
[PlyCount "122"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. h3 a6 8. Nc3 Be6 9. Bb3 Bxb3 10. axb3 g5 11. Nxg5 hxg5 12. Bxg5 Rg8 13. h4 Rg6 14. Nd5 Nd4 15. c3 Ne6 16. Nxf6+ Rxf6 17. Qh5 Nxg5 18. hxg5 Rg6 19. Qf3 Qxg5 20. Rh8+ Rg8 21. Rxg8+ Qxg8 22. Qh3 Ke7 23. Ke2 Qg5 24. b4 Bb6 25. Rf1 Rg8 26. g3 Qg4+ 27. Qxg4 Rxg4 28. Kf3 Rg6 29. g4 Rf6+ 30. Kg3 Be3 31. Kg2 Bf4 32. Rh1 Rh6 33. Ra1 Rh2+ 34. Kf3 Kd7 35. d4 Kc6 36. c4 Rh3+ 37. Kg2 Rb3 38. d5+ Kd7 39. b5 axb5 40. cxb5 Rxb2 41. Rh1 Rxb5 42. Rh5 c6 43. dxc6+ bxc6 44. g5 Rb8 45. Kf3 Rg8 46. Kg4 f6 47. Rh7+ Ke6 48. Rc7 Rxg5+ 49. Kf3 c5 50. Rc8 Rg7 51. Ke2 Kd7 52. Ra8 Kc6 53. Rf8 Bg5 54. Rb8 Rb7 55. Ra8 c4 56. f3 Kc5 57. Rd8 Rb6 58. Ra8 Kd4 59. Ra2 Kc3 60. Ra3+ Kb2 61. Ra5 c3 0-1

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "3.26"]
[White "Acosta, Luis Ivan"]
[Black "Arismendi Polanco, Efrain Steven"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1816"]
[BlackElo "1592"]
[PlyCount "71"]
[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. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 Nfd7 5. d4 c6 6. Nf3 Be7 7. Bd2 0-0 8. Bd3 f6 9. 0-0 b6 10. cxd5 cxd5 11. Qc2 h6 12. Rac1 f5 13. Qa4 Bb7 14. Rc2 a6 15. Rfc1 Bc6 16. Qb3 b5 17. Ne2 Qb6 18. Nf4 Bb7 19. Ng6 Re8 20. Bb4 Bd8 21. Bd6 Nc6 22. Bc5 Qc7 23. Qa3 Kf7 24. Nfh4 Nxc5 25. Rxc5 Rc8 26. b4 Bxh4 27. Nxh4 Qb6 28. Qb3 Rc7 29. a3 Rec8 30. Qc3 g5 31. Nxf5 exf5 32. Bxf5 h5 33. Bxc8 Bxc8 34. Rxc6 Rxc6 35. Qxc6 Qxc6 36. Rxc6 1-0

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "2.17"]
[White "Estupinan, Sergio"]
[Black "Acosta, Luis Ivan"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1937"]
[BlackElo "1816"]
[PlyCount "75"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Bc5 9. Nc4 Bxf3 10. Qxf3 Qxf3 11. gxf3 f6 12. f4 Bd6 13. fxe5 fxe5 14. f4 b5 15. Nxe5 Ne7 16. Nf3 0-0-0 17. Be3 Rhf8 18. Ng5 Rd7 19. Ne6 Rf6 20. f5 Bb4 21. Kh1 Kb8 22. a3 Bd6 23. Rg1 Rf7 24. Nxg7 Be5 25. Ne6 Bxb2 26. Rab1 Bxa3 27. Bc5 Bxc5 28. Nxc5 Rd8 29. Nxa6+ Kb7 30. Nc5+ Kb6 31. Ne6 Ra8 32. Ra1 Rxa1 33. Rxa1 c5 34. Ra8 Nc6 35. Kg2 Kb7 36. Rh8 Kb6 37. Rh6 b4 38. Nd8 1-0

[Event "Medellin Experts 17th"]
[Site "Medellin"]
[Date "2010.08.04"]
[Round "1.11"]
[White "Hernandez, Cristian Andres"]
[Black "Acosta, Luis Ivan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1960"]
[BlackElo "1816"]
[PlyCount "89"]
[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. d4 Nf6 2. Bg5 Ne4 3. h4 c6 4. Nd2 Nxg5 5. hxg5 Qb6 6. Nb3 a5 7. a4 d6 8. Qd3 Na6 9. e4 Be6 10. Ra3 g6 11. Qd2 Bg7 12. Bxa6 Rxa6 13. Ne2 c5 14. d5 Bd7 15. c3 Bxa4 16. Nxc5 Qxc5 17. Rxa4 b5 18. Ra3 Qc4 19. f3 0-0 20. 0-0 Rfa8 21. Rfa1 b4 22. Ra4 Qc5+ 23. Kh1 bxc3 24. bxc3 Qf2 25. Qe1 Qe3 26. Nd4 Qxg5 27. Nc6 Rxc6 28. dxc6 Be5 29. Kg1 Bg3 30. Qe2 Qh4 31. Qe3 Rc8 32. Rc4 Bh2+ 33. Kf1 Bf4 34. Qf2 Qh1+ 35. Qg1 Qh5 36. Rb1 Qh6 37. Ke2 g5 38. Rb7 Qe6 39. Qd4 g4 40. Qd5 gxf3+ 41. Kxf3 Qf6 42. Qf5 Qxf5 43. exf5 Be5 44. c7 d5 45. Rb8 1-0

[Event "Charala op"]
[Site "Charala"]
[Date "2010.07.20"]
[Round "8"]
[White "Acosta, Luis Ivan"]
[Black "Jimenez, Luis Felipe"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1816"]
[BlackElo "1999"]
[PlyCount "67"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. Bg5 h6 7. Bxf6 Bxf6 8. e3 Bg7 9. Nge2 f5 10. Nd5 0-0 11. Rb1 Ne7 12. b4 c6 13. Nxe7+ Qxe7 14. 0-0 d6 15. Qd2 g5 16. f4 exf4 17. exf4 g4 18. Rfe1 Qf6 19. a4 h5 20. Rb3 h4 21. d4 h3 22. Bf1 Qf7 23. d5 c5 24. bxc5 dxc5 25. Kh1 b6 26. Re3 Bb7 27. Nc3 Rfe8 28. Nb5 Rxe3 29. Qxe3 Rd8 30. Nc3 Rxd5 31. Nxd5 Bxd5+ 32. cxd5 Qxd5+ 33. Kg1 Qd4 34. Qxd4 1-0

[Event "Charala op"]
[Site "Charala"]
[Date "2010.07.20"]
[Round "7"]
[White "Galvis, Carlos Alberto"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "C65"]
[BlackElo "1816"]
[PlyCount "102"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 a6 5. Bxc6 dxc6 6. Nxe5 Qd4 7. Nf3 Qc5 8. d4 Qh5 9. e5 Nd5 10. c4 Ne7 11. Ng5 Qg6 12. Nc3 h6 13. Nge4 Nf5 14. Ng3 Be7 15. Nce2 Bg5 16. Nxf5 Bxf5 17. f4 Bh4 18. Be3 Bh3 19. g3 Bxf1 20. Qxf1 Be7 21. f5 Qg4 22. f6 gxf6 23. exf6 Qe4 24. Bd2 Bd8 25. Re1 Kf8 26. Bb4+ Kg8 27. Qf2 Qg6 28. Rf1 Kh7 29. d5 cxd5 30. cxd5 Re8 31. Bc3 b5 32. Qf3 Qe4 33. Qh5 Qg6 34. Qf3 a5 35. Nf4 Qg5 36. Qd3+ Kg8 37. h4 Qg4 38. b3 c5 39. Ng2 b4 40. Ba1 Bc7 41. d6 Rad8 42. Rf4 Qe6 43. Qf3 Bxd6 44. Rf5 Bf8 45. Qg4+ Kh7 46. Be5 Qd5 47. Ne3 Qd3 48. Qf4 Qd2 49. g4 Qe1+ 50. Kg2 Rd2+ 51. Kh3 Rd3 0-1

[Event "Charala op"]
[Site "Charala"]
[Date "2010.07.19"]
[Round "5"]
[White "Arismendi Polanco, Efrain Steven"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "C64"]
[BlackElo "1816"]
[PlyCount "33"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qe7 5. 0-0 Nf6 6. Re1 d6 7. h3 a6 8. d4 Ba7 9. d5 h6 10. g4 Bxg4 11. Qd3 Nh5 12. Nh2 Qg5 13. Kf1 Rg8 14. Qd2 Ng3+ 15. fxg3 Qf6+ 16. Nf3 Bxf3 17. Be2 0-1

[Event "Charala op"]
[Site "Charala"]
[Date "2010.07.18"]
[Round "4"]
[White "Acosta, Luis Ivan"]
[Black "Schneider Zinner, Werner"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "1816"]
[BlackElo "2070"]
[PlyCount "74"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. Qb3 a5 9. 0-0 0-0 10. Ne5 Nbd7 11. f4 Qc7 12. h3 Bxc3 13. bxc3 Be4 14. Ba3 Rfe8 15. Ra2 Nd5 16. Bxd5 exd5 17. Rb2 Rab8 18. Nxd7 Qxd7 19. Qb6 Ra8 20. Re1 Reb8 21. Ree2 Bd3 22. Red2 Bc4 23. Qc5 b5 24. axb5 cxb5 25. Qd6 Qxd6 26. Bxd6 Re8 27. Kf2 Re6 28. Be5 f6 29. f5 Rc6 30. Bf4 a4 31. Rdc2 a3 32. Ra2 Bxa2 33. Rxa2 Rxc3 34. Bd6 Rb3 35. Kf3 b4 36. g4 Rb2 37. Ra1 a2 0-1

[Event "Charala op"]
[Site "Charala"]
[Date "2010.07.18"]
[Round "3"]
[White "Villamizar Consuegra, Javier"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "C48"]
[BlackElo "1816"]
[PlyCount "48"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. Bxc6+ bxc6 6. d4 Qe7 7. dxe5 dxe5 8. Qe2 Rb8 9. h3 Rb6 10. Rb1 Ba6 11. Qd1 Qe6 12. Be3 Rb7 13. a3 Be7 14. Nd2 0-0 15. Nb3 Rxb3 16. cxb3 Rd8 17. Qc2 Bd3 18. Qc1 Qxb3 19. Bxa7 c5 20. Ra1 Qb7 21. Bxc5 Bxc5 22. f3 Qb6 23. Ne2 Bf2+ 24. Kf1 Bg3 0-1

[Event "Charala op"]
[Site "Charala"]
[Date "2010.07.17"]
[Round "2"]
[White "Acosta, Luis Ivan"]
[Black "Zabala, Fidel"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1816"]
[BlackElo "2085"]
[PlyCount "48"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 e6 3. e4 Nc6 4. Nf3 g6 5. d3 Bg7 6. g3 a6 7. Bg2 Nge7 8. Be3 d6 9. 0-0 0-0 10. Qd2 Rb8 11. a4 Nd4 12. Bxd4 cxd4 13. Ne2 e5 14. b4 f5 15. Qc2 fxe4 16. dxe4 Bg4 17. Ne1 Rc8 18. f3 Be6 19. c5 dxc5 20. bxc5 b6 21. Nd3 bxc5 22. Nxc5 d3 23. Rfd1 dxc2 24. Rxd8 Rfxd8 0-1

[Event "Charala op"]
[Site "Charala"]
[Date "2010.07.17"]
[Round "1"]
[White "Sosa Chaparro, Fernando Alex"]
[Black "Acosta, Luis Ivan"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1816"]
[PlyCount "44"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e3 e5 2. Qf3 Nf6 3. Nh3 d5 4. Bb5+ c6 5. Ba4 h5 6. Nc3 Bb4 7. a3 Bxc3 8. dxc3 Bg4 9. Qg3 Nbd7 10. f3 h4 11. Qf2 Bxh3 12. gxh3 Qb6 13. b3 Nc5 14. b4 Nxa4 15. Qg2 Nh5 16. e4 Nxc3 17. exd5 Nxd5 18. Qf2 Nhf4 19. Be3 Nxe3 20. c4 Qd4 21. Qg1 0-0-0 22. Qxg7 Qd2# 0-1

