[Event "Santiago de Cali U2000 op"]
[Site "Cali"]
[Date "2024.12.30"]
[Round "7"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Ceballos Escobar, Fanor Gerardo"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "103"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 h6 5. e3 Nf6 6. Be2 Bd6 7. 0-0 a6 8. b3 Nbd7 9. Bb2 Qc7 10. Rc1 0-0 11. h3 Re8 12. Re1 e5 13. dxe5 Nxe5 14. Nb1 Be6 15. c5 Nxf3+ 16. Bxf3 Be5 17. Bxe5 Qxe5 18. b4 Rad8 19. Qc2 Qg5 20. Kh2 Bf5 21. Qb2 Ne4 22. Nc3 Re6 23. Nxe4 dxe4 24. Bd1 Rde8 25. Rg1 Rg6 26. Bb3 Be6 27. a3 Bd5 28. a4 h5 29. b5 h4 30. Qc3 Rf6 31. Rcf1 Qf5 32. Bc4 Qe6 33. Be2 Rg6 34. bxa6 bxa6 35. a5 Ra8 36. Rb1 f5 37. Rb7 f4 38. Bh5 fxe3 39. Bxg6 Qxg6 40. Qxe3 Qf5 41. Rgb1 Qe5+ 42. Kg1 Be6 43. Rd1 Rb8 44. Rdb1 Bc4 45. Rxb8+ Kh7 46. R1b7 Qa1+ 47. Kh2 Qe5+ 48. g3 Bd5 49. Ra8 Be6 50. Rbb8 Qf5 51. Rh8+ Kg6 52. Rxh4 1-0

[Event "Santiago de Cali U2000 op"]
[Site "Cali"]
[Date "2024.12.29"]
[Round "5"]
[White "Heilbron de la Cruz, Esther Maria"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "0-1"]
[ECO "C25"]
[PlyCount "48"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Bb4 4. Bb5 Nf6 5. Nf3 0-0 6. 0-0 d6 7. d3 h6 8. a3 Ba5 9. b4 Bb6 10. Nd5 Bg4 11. Qd2 Bxf3 12. g3 Nd4 13. Re1 Nxb5 14. c4 Qc8 15. Re3 Bxe3 16. Qxe3 Nd4 17. Kf1 Qh3+ 18. Ke1 Nc2+ 19. Kd2 Nxe3 20. fxe3 Qxh2+ 21. Kc3 Nxd5+ 22. cxd5 Rac8 23. a4 c6 24. Kc4 Qc2# 0-1

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "10"]
[White "Beltran Mojica, Nelson Ricardo"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1749"]
[PlyCount "71"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. e3 Be7 4. Be2 Nf6 5. Nd2 Bd7 6. Ngf3 Nh5 7. Ne5 Nxf4 8. exf4 Bc8 9. 0-0 0-0 10. Bd3 f6 11. Qh5 f5 12. Ndf3 Bd7 13. Rae1 Be8 14. Qh3 Rf6 15. Ng5 Rh6 16. Qe3 Bxg5 17. fxg5 Rxh2 18. Kxh2 Nd7 19. Rh1 Nxe5 20. Qxe5 Bf7 21. f4 c6 22. Re3 Qa5 23. a3 Qb6 24. b4 a5 25. c3 axb4 26. axb4 Ra3 27. Be2 Qa7 28. g6 hxg6 29. Rh3 Ra2 30. Kg3 Kf8 31. Rh8+ Ke7 32. Qxg7 Rxe2 33. Qf8+ Kf6 34. R1h7 Re3+ 35. Kh2 Qa2 36. Qxf7# 1-0

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "6"]
[White "Cortes Castillo, Carlos"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "66"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 Nf6 3. e3 e6 4. Bd3 Be7 5. Nf3 Bd7 6. Nbd2 0-0 7. 0-0 a6 8. c3 Bc6 9. Qc2 Nbd7 10. Rfe1 Nd5 11. Bg3 b5 12. e4 N5b6 13. e5 h6 14. h3 dxe5 15. Bxe5 Nxe5 16. Nxe5 Bb7 17. Ndf3 Nd5 18. Be4 Rb8 19. b3 Bf6 20. Rad1 Qe7 21. Bxd5 Bxd5 22. Qd3 Qe8 23. Ng4 Bxf3 24. Qxf3 Qe7 25. Qg3 Kh7 26. Nxf6+ gxf6 27. Qd3+ Kh8 28. Re4 Rg8 29. g3 Rg6 30. Rh4 f5 31. Kh2 Rbg8 32. Qe3 Kg7 33. Qxh6+ Rxh6 0-1

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "9"]
[White "Diaz Blandon, Jacobo"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "78"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 a6 4. Bg2 Nc6 5. d3 Nf6 6. Nbd2 e5 7. c3 h6 8. 0-0 Be6 9. Re1 Be7 10. Nf1 0-0 11. h4 Qd7 12. Be3 Bh3 13. Qd2 Kh7 14. Kh2 Bxg2 15. Kxg2 Nd8 16. N1h2 Ne6 17. g4 Nc7 18. g5 Ng4 19. Rg1 Nxh2 20. Kxh2 h5 21. Rg3 g6 22. d4 exd4 23. cxd4 cxd4 24. Bxd4 Ne6 25. Bc3 Qa4 26. Bb4 Rad8 27. b3 Qc6 28. Qe3 Nc5 29. Rc1 b6 30. e5 Qb5 31. Bxc5 dxc5 32. Nd2 Rfe8 33. Qf4 Qe2 34. Qxf7+ Kh8 35. Qf3 Qxd2 36. Rc4 Rf8 37. Qe4 Rxf2+ 38. Kh1 Rh2+ 39. Kg1 Qf2# 0-1

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "2"]
[White "Guzman Contreras, Jhoan Sebastian"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1654"]
[PlyCount "73"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 cxd4 5. cxd4 d5 6. e5 Bb4+ 7. Nc3 Nge7 8. Bg5 h6 9. Bh4 Qa5 10. Qc2 0-0 11. Bd3 g6 12. 0-0 f5 13. exf6 Nf5 14. g4 Nxh4 15. Nxh4 Nxd4 16. Qd2 g5 17. Bh7+ Kxh7 18. Qd3+ Kh8 19. Qg6 Qc7 20. Qxh6+ Kg8 21. Qxg5+ Kh7 22. Ng6 Nf3+ 23. Kg2 Nxg5 24. Nxf8+ Kg8 25. Ng6 Bxc3 26. bxc3 Qxc3 27. f3 Qc2+ 28. Rf2 Qxg6 29. h4 Nf7 30. g5 e5 31. Rh1 e4 32. f4 Qf5 33. h5 Qg4+ 34. Kf1 Bf5 35. g6 Rc8 36. gxf7+ Kxf7 37. Rh3 0-1

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "3"]
[White "Moreno, Julian David"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1866"]
[PlyCount "51"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 d6 3. e3 a6 4. Be2 Nf6 5. 0-0 e5 6. d4 cxd4 7. exd4 exd4 8. Nxd4 Nc6 9. Re1 Be7 10. Nxc6 bxc6 11. Bf3 Bd7 12. Qe2 Rc8 13. Nc3 Be6 14. Bf4 0-0 15. Rad1 Qc7 16. c5 Nd5 17. Nxd5 cxd5 18. Bxd5 Qxc5 19. Bxe6 fxe6 20. Qxe6+ Rf7 21. Rc1 Qxc1 22. Rxc1 Rxc1+ 23. Bxc1 g6 24. Be3 Kf8 25. Bd4 a5 26. Qc8+ 1-0

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "7"]
[White "Piza Rodriguez, Alejandro"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1552"]
[PlyCount "85"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 b6 4. Nf3 Bb7 5. Bb5+ Nd7 6. 0-0 a6 7. Ba4 b5 8. Bc2 c4 9. Qe2 Ngf6 10. a4 e6 11. Re1 Be7 12. Nbd2 e5 13. d5 0-0 14. Nf1 h6 15. Ng3 Nc5 16. h3 Bc8 17. Kh2 Nh7 18. Bd2 Ng5 19. axb5 Nxf3+ 20. Qxf3 Bg5 21. Bxg5 hxg5 22. bxa6 Rxa6 23. Rxa6 Nxa6 24. Nf5 Bxf5 25. Qxf5 f6 26. Ba4 Nc5 27. Bd1 Nd3 28. Re2 Nf4 29. Re3 g6 30. Qg4 Nd3 31. Re2 f5 32. exf5 gxf5 33. Qh5 Qf6 34. Ba4 Nf4 35. Qf3 Nxe2 36. Qxe2 e4 37. Qxc4 Qe5+ 38. Kh1 f4 39. Bd7 e3 40. fxe3 fxe3 41. Be6+ Kg7 42. Qc7+ Kh8 43. Qb7 0-1

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "8"]
[White "Ramirez Cepeda, Armando"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1763"]
[PlyCount "98"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. c4 d6 2. d4 c6 3. Nc3 e6 4. e4 Nf6 5. Bd3 Be7 6. Nge2 Bd7 7. h3 0-0 8. 0-0 Qb6 9. Rb1 e5 10. d5 Qc7 11. b4 a6 12. a4 Ne8 13. Be3 Qc8 14. a5 f5 15. exf5 Bxf5 16. Ng3 Bxd3 17. Qxd3 Bf6 18. Na4 Nd7 19. Nh5 Be7 20. Ng3 Ndf6 21. Nb6 Qd8 22. Nxa8 Qxa8 23. Nf5 Qd8 24. Nxe7+ Qxe7 25. Bg5 e4 26. Qe3 h6 27. Bxf6 Nxf6 28. Rfd1 cxd5 29. cxd5 Rc8 30. Rbc1 Rxc1 31. Qxc1 Qf7 32. Qc8+ Kh7 33. Qe6 Qc7 34. g4 Qc2 35. Rf1 Qc3 36. Qxd6 Qxh3 37. Qe6 Nxg4 38. Qf5+ g6 39. Qf4 g5 40. Qg3 Qxg3+ 41. fxg3 e3 42. Rf7+ Kg6 43. Rxb7 e2 44. Re7 Kf6 45. d6 Ne5 46. Kf2 e1Q+ 47. Kxe1 Nc6 48. Re2 Nxb4 49. d7 Nc6 1-0

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "9"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Alvarado Quintero, David Mateo"]
[Result "1-0"]
[ECO "D07"]
[BlackElo "1550"]
[PlyCount "133"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. e3 Nf6 5. Bd3 h6 6. 0-0 Bd6 7. Nc3 0-0 8. Re1 a6 9. a3 Qe7 10. c5 Bxc5 11. dxc5 Qxc5 12. Bd2 e5 13. Be2 e4 14. Nd4 Nxd4 15. exd4 Qd6 16. Na4 Bf5 17. Nc5 Rab8 18. Bb4 a5 19. Nxb7 Qd7 20. Bxf8 Rxb7 21. Bc5 Rxb2 22. Rb1 Rxb1 23. Qxb1 e3 24. Qb3 exf2+ 25. Kxf2 Ne4+ 26. Kg1 Bg6 27. Bb5 c6 28. Qf3 Nd2 29. Qe2 Ne4 30. Bd3 Qc7 31. Bxe4 dxe4 32. Qe3 Qb7 33. Qf4 Kh7 34. h3 a4 35. g4 Qb3 36. Re3 Qd1+ 37. Kh2 Qd2+ 38. Kg3 Qd1 39. Qf2 Qc1 40. h4 Qb1 41. h5 Qb8+ 42. Kg2 Qc8 43. hxg6+ fxg6 44. Qf4 Qe6 45. Qxe4 Qa2+ 46. Kg3 Qa1 47. Qf3 Qg1+ 48. Kf4 Qh2+ 49. Ke4 Qc2+ 50. Ke5 Qb2 51. Qxc6 Qb8+ 52. Ke4 Qd8 53. Qd6 Qg5 54. Qf4 Qd8 55. d5 Qa5 56. Bd4 Qd8 57. Qe5 Qd7 58. d6 Qxg4+ 59. Kd5 Qd7 60. Qe6 Qb7+ 61. Ke5 Qb5+ 62. Ke4 Qb1+ 63. Rd3 Qe1+ 64. Kd5 Qh1+ 65. Kc5 Qc1+ 66. Rc3 Qd2 67. Qe7 1-0

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "6"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Britton, Georgean"]
[Result "1-0"]
[ECO "E10"]
[PlyCount "49"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 c5 3. Nf3 Nf6 4. e3 e6 5. Nc3 Be7 6. Bd3 0-0 7. 0-0 Nc6 8. d5 exd5 9. Nxd5 Nxd5 10. cxd5 Nb4 11. Bc4 Bg4 12. a3 Na6 13. h3 Bf5 14. Re1 Bf6 15. e4 Bd7 16. Qe2 Rb8 17. Bxa6 bxa6 18. Qxa6 Ra8 19. Qxd6 Be7 20. Qf4 Bf6 21. e5 Be7 22. d6 g5 23. Qg3 Bf6 24. exf6 Qxf6 25. Bxg5 1-0

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "8"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Castellanos, Alvaro"]
[Result "0-1"]
[ECO "E13"]
[BlackElo "1813"]
[PlyCount "76"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Bb4 7. e3 Bxc3+ 8. bxc3 g5 9. Bg3 Ne4 10. Qc2 d6 11. Bd3 f5 12. h3 Nd7 13. Bh2 Ndf6 14. Ke2 h5 15. Rhg1 g4 16. hxg4 hxg4 17. Nd2 Rxh2 18. Qa4+ Kf7 19. Qb3 a5 20. a4 Qe7 21. Nf1 Rh7 22. Ng3 Nxg3+ 23. fxg3 Ne4 24. Bxe4 Bxe4 25. d5 e5 26. Kf2 Rah8 27. Qb5 Rh6 28. Qb2 Qg5 29. Qb5 Qe7 30. Qb2 f4 31. exf4 exf4 32. gxf4 Qh4+ 33. Kf1 Bd3+ 34. Qe2 Bxe2+ 35. Kxe2 Re8+ 36. Kd3 Qf2 37. c5 Qe2+ 38. Kd4 Re4# 0-1

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "5"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Conde Granada, Alain Camilo"]
[Result "0-1"]
[ECO "D55"]
[BlackElo "1608"]
[PlyCount "200"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Be2 b6 8. 0-0 Bb7 9. Ne5 Nxe5 10. dxe5 Ne4 11. Bxe7 Qxe7 12. Nxe4 dxe4 13. Qc2 f5 14. exf6 Qxf6 15. Rad1 c5 16. Rd6 Rfd8 17. Rfd1 Qe7 18. Rxd8+ Rxd8 19. Rxd8+ Qxd8 20. Bg4 Qd6 21. b3 g6 22. h3 h5 23. Be2 e5 24. Qd1 Qe7 25. f3 exf3 26. Bxf3 e4 27. Be2 Kf7 28. Qf1+ Qf6 29. Qd1 Ke6 30. Qe1 Qg5 31. Qf2 Ke5 32. h4 Qh6 33. Qg3+ Ke6 34. Kf2 Qf8+ 35. Ke1 Qf6 36. Qc7 Qxh4+ 37. Kd2 Qe7 38. Qb8 Qd6+ 39. Qxd6+ Kxd6 40. a3 a5 41. a4 Ke5 42. Ke1 Kf5 43. Kf2 Kg5 44. g3 h4 45. gxh4+ Kxh4 46. Kg2 Bc8 47. Kh2 Bg4 48. Bf1 Bf3 49. Bh3 g5 50. Be6 Bd1 51. Bd5 Bxb3 52. Bxe4 Bxa4 53. Bd5 Bd7 54. e4 g4 55. e5 g3+ 56. Kg2 Bh3+ 57. Kg1 a4 58. e6 a3 59. e7 Bd7 60. Bf7 a2 61. e8Q Bxe8 62. Bxe8 a1Q+ 63. Kg2 Qb2+ 64. Kf3 Qf2+ 65. Ke4 Qe2+ 66. Kd5 Qxe8 67. Kd6 Qd8+ 68. Kc6 g2 69. Kb5 g1R 70. Kc6 Rg6+ 71. Kb5 Qd7+ 72. Ka6 Qc8+ 73. Kb5 Qb8 74. Ka4 Rc6 75. Kb3 b5 76. Kc3 b4+ 77. Kb3 Rd6 78. Kb2 Rd2+ 79. Kb3 Qg3+ 80. Ka4 Qa3+ 81. Kb5 Rc2 82. Kc6 Qb3 83. Kc7 Qxc4 84. Kc6 b3 85. Kc7 b2 86. Kc6 b1R 87. Kc7 Qc3 88. Kc6 Qb2 89. Kc7 c4 90. Kc6 c3 91. Kc5 Qb3 92. Kc6 Rcb2 93. Kd6 c2 94. Ke5 c1B 95. Kd6 Qb6+ 96. Ke7 Re2+ 97. Kf7 Rf2+ 98. Ke7 Qf6+ 99. Kd7 Rb7+ 100. Ke8 Qf8# 0-1

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "7"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Cortes Roman, Santiago"]
[Result "1-0"]
[ECO "E14"]
[BlackElo "1623"]
[PlyCount "59"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. Nf3 b6 6. Bd3 Bb7 7. 0-0 Nbd7 8. Qc2 c5 9. cxd5 exd5 10. Ne5 0-0 11. f4 c4 12. Be2 Rc8 13. Qd2 Bb4 14. a3 Ne4 15. Qe1 Bxc3 16. bxc3 Ndf6 17. Bf3 Re8 18. g4 Qe7 19. g5 Nd7 20. Bg4 Bc6 21. a4 h5 22. gxh6 Nxe5 23. dxe5 gxh6 24. Bxc8 Rxc8 25. Ba3 Qd7 26. Qh4 Nxc3 27. Rf2 Ne4 28. Qxh6 Nxf2 29. Kxf2 f6 30. Rg1+ 1-0

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "2"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Garvin Mejia, Ricardo Luis"]
[Result "1-0"]
[ECO "B14"]
[BlackElo "1738"]
[PlyCount "93"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nc3 d5 5. Nf3 Nc6 6. Be2 cxd4 7. exd4 Qa5 8. 0-0 Bb4 9. Qc2 Bd7 10. Bg5 Bxc3 11. bxc3 Ne4 12. Bd2 Rc8 13. Bd3 dxc4 14. Bxe4 Nd8 15. Ne5 f5 16. Nxd7 Kxd7 17. Bf3 Qc7 18. Rfe1 h6 19. Qa4+ Nc6 20. Bxc6+ bxc6 21. Re5 g5 22. Rae1 Rhe8 23. d5 exd5 24. Rxe8 Rxe8 25. Rxe8 Kxe8 26. Qb4 a5 27. Qc5 Kf7 28. Qd4 Kg6 29. Qe3 Qb8 30. h3 Qb1+ 31. Kh2 Qxa2 32. Qe6+ Kg7 33. Be3 f4 34. Bd4+ Kf8 35. Qc8+ Ke7 36. Qxc6 Qe2 37. Qxh6 a4 38. Qxg5+ Kd7 39. Qxd5+ Kc8 40. Qa8+ Kd7 41. Qxa4+ Ke6 42. Qc6+ Kf5 43. Qf6+ Ke4 44. Qe6+ Kd3 45. Qf5+ Kd2 46. Qxf4+ Ke1 47. Qc1+ 1-0

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "11"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Higuera Camargo, Esteban"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "1643"]
[PlyCount "134"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. e3 Bg7 4. Nf3 d6 5. Nc3 Nbd7 6. Be2 b6 7. 0-0 Bb7 8. a3 0-0 9. b4 Re8 10. Rb1 e5 11. d5 e4 12. Nd2 c5 13. Qc2 Nh5 14. Ncxe4 Qc7 15. Bb2 f5 16. Ng5 Ne5 17. Ne6 Qf7 18. f4 Nd7 19. Bxg7 Nxg7 20. Nc7 Rxe3 21. Nxa8 Bxa8 22. Bf3 Qf6 23. Rbe1 Rc3 24. Qd1 Qd4+ 25. Kh1 Rd3 26. Re2 Nf6 27. Qc1 Rc3 28. Qe1 Qxf4 29. Re7 Qh6 30. Rxa7 Bxd5 31. cxd5 Re3 32. Qg3 Ne4 33. Nxe4 fxe4 34. Qxd6 exf3 35. Qd8+ Re8 36. Qd6 fxg2+ 37. Kxg2 Re2+ 38. Rf2 Qg5+ 39. Qg3 Qxd5+ 40. Kg1 Re1+ 41. Rf1 Qd4+ 42. Qf2 Qg4+ 43. Qg2 Qd4+ 44. Qf2 Qg4+ 45. Qg2 Qd4+ 46. Qf2 Qg4+ 47. Qg2 Qd4+ 48. Qf2 Qg4+ 49. Qg2 Qd4+ 50. Qf2 Qg4+ 51. Qg2 Rxf1+ 52. Kxf1 Qd1+ 53. Kf2 Qd2+ 54. Kg1 Qe1+ 55. Qf1 Qe3+ 56. Qf2 Qg5+ 57. Kf1 Qc1+ 58. Qe1 Qg5 59. Ra8+ Kf7 60. Qf2+ Nf5 61. Ra7+ Kf6 62. Qb2+ Ke6 63. Qe2+ Ne3+ 64. Ke1 Kd5 65. Qd3+ Ke5 66. Qc3+ Kf4 67. Rf7+ Kg4 0-1

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "1"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Ramirez Buitrago, Diego Mauricio"]
[Result "0-1"]
[ECO "D45"]
[BlackElo "1898"]
[PlyCount "89"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 0-0 6. Bd3 c6 7. 0-0 dxc4 8. Bxc4 b5 9. Bb3 a5 10. a3 Bb7 11. Bd2 b4 12. axb4 Bxb4 13. Re1 Nbd7 14. e4 c5 15. e5 Nd5 16. Nxd5 Bxd5 17. Bxd5 exd5 18. Bg5 Qb6 19. Re2 Rfe8 20. Be3 c4 21. Qa4 Nf8 22. Ng5 h6 23. Nf3 Qa6 24. Qc2 Rac8 25. Qf5 c3 26. Rc2 cxb2 27. Rb1 Bc3 28. h3 a4 29. Bd2 Bxd2 30. Nxd2 a3 31. Rbxb2 axb2 32. Rxb2 Ne6 33. Nf3 Qa1+ 34. Rb1 Rc1+ 35. Rxc1 Qxc1+ 36. Kh2 Qf4+ 37. Qxf4 Nxf4 38. g3 Ne6 39. h4 Ra8 40. Kg2 Ra4 41. Kh3 Nxd4 42. Nxd4 Rxd4 43. Kg2 Re4 44. f4 f6 45. Kf2 0-1

[Event "Bogota Rapid op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "3"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Sanchez Bustos, Miguel Angel"]
[Result "0-1"]
[ECO "E20"]
[BlackElo "1926"]
[PlyCount "170"]
[EventDate "2024.12.21"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. a3 Be7 6. e4 d5 7. e5 Ne8 8. Nf3 c5 9. Be2 dxc4 10. Bxc4 cxd4 11. Nb5 Nc6 12. Bf4 Bc5 13. b4 Bb6 14. 0-0 a6 15. Nd6 Nxd6 16. exd6 Kh8 17. Bd3 f6 18. Qc2 h6 19. Bg6 e5 20. Bc1 Qxd6 21. Nh4 Bd7 22. Nf5 Bxf5 23. Bxf5 Ne7 24. Bh3 f5 25. Bb2 Rac8 26. Qb3 Qd5 27. Qxd5 Nxd5 28. Rac1 g6 29. a4 Nf4 30. a5 Ne2+ 31. Kh1 Nxc1 32. Bxc1 Ba7 33. Bxh6 Rfe8 34. Bg5 Kg7 35. f3 Bb8 36. Rb1 Bd6 37. b5 axb5 38. Rxb5 Rc7 39. g3 Re6 40. Rd5 Be7 41. Bxe7 Rexe7 42. Kg2 Rcd7 43. Rb5 d3 44. Rb1 d2 45. Rd1 Rd4 46. Kf2 e4 47. Ke3 Rd3+ 48. Ke2 Ra3 49. Rxd2 exf3+ 50. Kf2 Re2+ 51. Rxe2 fxe2 52. Kxe2 Ra2+ 53. Kf1 Rxa5 54. Bg2 Ra1+ 55. Kf2 b5 56. Bd5 b4 57. Ke3 Ra3+ 58. Kd2 Kf6 59. Kc2 Ke5 60. Bf7 g5 61. Kb2 Rf3 62. Bg8 Kd4 63. Bf7 Rf2+ 64. Kb3 Rxh2 65. Kxb4 Rg2 66. Bg6 f4 67. gxf4 gxf4 68. Be8 f3 69. Bc6 Rg3 70. Bb5 f2 71. Bf1 Rg1 72. Ba6 f1Q 73. Bxf1 Rxf1 74. Kb5 Rb1+ 75. Kc6 Rb4 76. Kd6 Rb6+ 77. Ke7 Ke5 78. Kf7 Re6 79. Kg7 Rf6 80. Kh7 Kf5 81. Kg7 Kg5 82. Kh7 Rg6 83. Kh8 Kf6 84. Kh7 Kf7 85. Kh8 Rh6# 0-1

[Event "Bogota blitz op"]
[Site "Bogota"]
[Date "2024.12.21"]
[Round "1"]
[White "Salcedo, Juan Carlos"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1896"]
[PlyCount "70"]
[EventDate "2024.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 e5 6. Nf3 Nf6 7. 0-0 Nc6 8. Nc3 Be7 9. Bg5 Be6 10. Qd2 0-0 11. Rad1 Qc7 12. Rfe1 Rad8 13. h3 Nh5 14. Bxe7 Qxe7 15. Nd5 Bxd5 16. exd5 Nb8 17. c4 Nf6 18. Ng5 h6 19. Nf3 Rde8 20. Bb1 Nbd7 21. Nd4 Qd8 22. Nf5 Nc5 23. b4 Ncd7 24. Nxd6 Re7 25. Nxb7 Qc7 26. d6 Qxb7 27. dxe7 Re8 28. Qd6 e4 29. Bxe4 Nxe4 30. Qxd7 Qa8 31. Rxe4 Qxe4 32. Qxe8+ Kh7 33. Qd7 Qe2 34. Qd3+ Qxd3 35. Rxd3 Kg6 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2024.12.05"]
[Round "3"]
[White "Arguello Gonzalez, Jane Katherine"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "49"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. Bc4 Nc6 5. Ng5 e6 6. Qf3 Qxg5 7. d3 Qd8 8. Be3 Ne5 9. Qg3 Nxc4 10. dxc4 g6 11. 0-0-0 Bg7 12. Bg5 Qb6 13. Rxd6 Qxd6 14. Qxd6 f6 15. Qc7 fxg5 16. Qxg7 Bd7 17. Qxh8 0-0-0 18. Qxh7 Nf6 19. Qxg6 Ng4 20. f3 Ne5 21. Qxg5 Nc6 22. Qxc5 Kb8 23. Na4 Na7 24. Qd6+ Ka8 25. Nb6# 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2024.12.05"]
[Round "2"]
[White "Rosales Diaz, Oscar Fredy"]
[Black "Guevara Garcia, Miguel Angel"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1616"]
[PlyCount "36"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d3 d6 2. Bg5 g6 3. Bd2 c5 4. g3 Nf6 5. Nf3 Ne4 6. dxe4 c4 7. Be3 c3 8. Qd3 cxb2 9. Bb6 Bd7 10. Rg1 Bg7 11. g4 d5 12. Bc5 Na6 13. Nfd2 f5 14. g5 b5 15. c4 Bc6 16. Bd4 Bxd4 17. Qxd4 dxc4 18. Qd5 Qd6 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2024.12.04"]
[Round "1"]
[White "Avella Munoz, Andrea"]
[Black "Rosales Diaz, Oscar Fredy"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1752"]
[PlyCount "55"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 a6 5. Nc3 e6 6. Nf3 Nf6 7. Bd3 Nc6 8. 0-0 Be7 9. h3 0-0 10. e5 Nd7 11. Re1 dxe5 12. dxe5 b5 13. Be3 Bb7 14. a3 Qc7 15. Ng5 g6 16. f4 Rad8 17. Nce4 Nb6 18. Qe2 Nd4 19. Qf2 Qd7 20. Rad1 Nd5 21. Bxd4 Nxf4 22. Bc2 Qc7 23. Rc1 Qc4 24. Be3 Nd3 25. Bxd3 Qxd3 26. Red1 Qb3 27. Rxd8 Rxd8 28. Qxf7+ 1-0

