[Event "Buenaventura op"]
[Site "Buenaventura"]
[Date "2021.10.10"]
[Round "6"]
[White "Diaz Sierra, Carlos Alberto"]
[Black "Torres Benitez, Fabio Ignacio"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "1754"]
[BlackElo "1946"]
[PlyCount "106"]
[EventDate "2021.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 f5 5. d3 Nf6 6. Nge2 Be7 7. 0-0 0-0 8. h3 Be6 9. Nd5 Qd7 10. Kh2 Rf7 11. f4 Raf8 12. Nxf6+ Bxf6 13. exf5 Bxf5 14. g4 Bxg4 15. hxg4 Qxg4 16. Bh3 Qh4 17. Qe1 Qxe1 18. Rxe1 exf4 19. Bxf4 Bxb2 20. Rab1 Rxf4 21. Nxf4 Be5 22. Rxe5 dxe5 23. Nd5 Rf2+ 24. Kg3 Rxc2 25. Rxb7 Rd2 26. Be6+ Kf8 27. Rxc7 Rxd3+ 28. Kf2 Nd8 29. Rc8 Ke8 30. Ne3 Rd2+ 31. Kf3 Ke7 32. Bd5 Ne6 33. Ke4 Re2 34. Bxe6 Kxe6 35. Rc6+ Kf7 36. Ra6 g5 37. a4 h5 38. Rxa7+ Kg6 39. Kf3 Re1 40. Ra6+ Kf7 41. Kf2 Ra1 42. Nc4 e4 43. Nd2 h4 44. Nxe4 g4 45. Ke3 g3 46. Kf3 Ra3+ 47. Kg2 Ra2+ 48. Kh3 Rh2+ 49. Kg4 g2 50. Ng5+ Ke7 51. Nf3 g1Q+ 52. Nxg1 Rg2+ 53. Kxh4 Rxg1 1/2-1/2

[Event "Buenaventura op"]
[Site "Buenaventura"]
[Date "2021.10.09"]
[Round "4"]
[White "Barrera Caicedo, Hubert Steven"]
[Black "Diaz Sierra, Carlos Alberto"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1943"]
[BlackElo "1754"]
[PlyCount "152"]
[EventDate "2021.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. 0-0 0-0 7. Bg5 Bg4 8. h3 Bh5 9. Re1 Nbd7 10. Nbd2 c6 11. c3 Qc7 12. Qc2 Rfe8 13. Rxe8+ Rxe8 14. Re1 Rxe1+ 15. Nxe1 Bf4 16. Bxf4 Qxf4 17. Nf1 Bg6 18. Bxg6 hxg6 19. Qd2 Qf5 20. Qd3 Ne4 21. f3 Nd6 22. Qxf5 gxf5 23. Nd3 Nc4 24. Kf2 Kf8 25. Ne3 Nd6 26. Nc5 Ke7 27. Nxd7 Kxd7 28. Ke2 f4 29. Ng4 Nf5 30. Kf2 f6 31. Ke2 Ng3+ 32. Ke1 Nf5 33. Ke2 Ng3+ 34. Kd1 Nf5 35. Ke1 Kd6 36. Nf2 Ne3 37. Nd3 Nxg2+ 38. Kf2 Ne3 39. Nxf4 Nf5 40. Nd3 b6 41. f4 c5 42. dxc5+ bxc5 43. Kf3 a5 44. b3 g6 45. Nf2 Ke6 46. Nd3 Kd6 47. Nf2 Ke6 48. c4 dxc4 49. bxc4 Nd6 50. Ne4 Nxc4 51. Nxc5+ Kf5 52. Ne4 Ke6 53. Nc5+ Kf5 54. Ne4 Ke6 55. h4 Kf5 56. Ng3+ Ke6 57. Ke4 Nd6+ 58. Kf3 a4 59. Ne4 Nf5 60. Nc5+ Kd5 61. Nxa4 Nxh4+ 62. Kg4 Nf5 63. Nb6+ Kc6 64. Nc4 Kd5 65. Nb6+ Kc6 66. Nc4 Kd5 67. Nd2 Nh6+ 68. Kf3 g5 69. Kg3 Nf5+ 70. Kg4 Ne3+ 71. Kf3 Nc4 72. Nb3 Nd6 73. Kg4 gxf4 74. Kxf4 Kc4 75. Nd2+ Kb4 76. Ne4 Nxe4 1/2-1/2

[Event "Buenaventura op"]
[Site "Buenaventura"]
[Date "2021.10.09"]
[Round "3"]
[White "Diaz Sierra, Carlos Alberto"]
[Black "Angulo Mosquera, Jaddy Jireth"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1754"]
[PlyCount "53"]
[EventDate "2021.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 Nf6 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Qxd2 Qxd2+ 7. Bxd2 Bxg7 8. 0-0-0 Be6 9. Bf4 Nc6 10. Bb5 0-0 11. Bxc6 bxc6 12. b3 Rfc8 13. Ne2 c5 14. Bg5 f6 15. Be3 c4 16. Nd4 Bd5 17. Nf5 Rd8 18. Nxe7+ Kf7 19. Nxd5 cxb3 20. axb3 c6 21. Nb4 Rdc8 22. Rd7+ Kg6 23. g4 a5 24. Nd3 Bh6 25. f4 f5 26. Rd6+ Kf7 27. Rxh6 1-0

[Event "Buenaventura op"]
[Site "Buenaventura"]
[Date "2021.10.09"]
[Round "5"]
[White "Diaz Sierra, Carlos Alberto"]
[Black "Ruiz Caicedo, Oscar Marino"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1754"]
[PlyCount "87"]
[EventDate "2021.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. h3 Nf6 6. Nge2 Bb6 7. 0-0 Be6 8. Kh2 Qd7 9. f4 exf4 10. gxf4 g6 11. d4 Bc4 12. d5 Ne7 13. b3 Ba6 14. Na4 0-0-0 15. Nxb6+ cxb6 16. c4 h5 17. Bb2 Neg8 18. a4 Rh7 19. e5 Ne8 20. Nd4 Ng7 21. Ba3 Ne8 22. Qe1 Nh6 23. e6 Qe7 24. exf7 Qxf7 25. Ne6 Rd7 26. Ng5 Qg8 27. Nxh7 Rxh7 28. Ra2 Kd7 29. Re2 Nf6 30. Kg1 Qf8 31. Re6 Qf7 32. Qf2 Nf5 33. Rfe1 Qf8 34. Bf1 Re7 35. Bd3 Rg7 36. Bxf5 gxf5+ 37. Kh2 Ne4 38. R1xe4 fxe4 39. Bxd6 Qg8 40. f5 h4 41. Bf4 Bxc4 42. bxc4 a6 43. f6 Rf7 44. Qxh4 1-0

[Event "Buenaventura op"]
[Site "Buenaventura"]
[Date "2021.10.08"]
[Round "2"]
[White "Gonzalez, Juan Manuel"]
[Black "Diaz Sierra, Carlos Alberto"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2122"]
[BlackElo "1754"]
[PlyCount "79"]
[EventDate "2021.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c3 Nf6 3. Nf3 c6 4. Bf4 Bf5 5. e3 e6 6. Be2 Bd6 7. 0-0 0-0 8. Nbd2 Qc7 9. Bxd6 Qxd6 10. Qb3 Nbd7 11. c4 a5 12. a4 Qc7 13. Rfc1 h6 14. Bd3 Bxd3 15. Qxd3 Rfe8 16. e4 dxe4 17. Nxe4 Rad8 18. Qe2 Nxe4 19. Qxe4 Nf6 20. Qc2 Re7 21. Re1 Red7 22. h3 c5 23. dxc5 Qxc5 24. Re5 Qc7 25. Rae1 Rd3 26. R5e3 Qd6 27. c5 Qd5 28. Rxd3 Qxd3 29. Qxd3 Rxd3 30. Rc1 Rb3 31. c6 bxc6 32. Rxc6 Rb4 33. b3 Ne4 34. Rc8+ Kh7 35. Ra8 Rxb3 36. Rxa5 Rb1+ 37. Kh2 Ra1 38. Ra8 f6 39. Nd4 Nc5 40. a5 1/2-1/2

