[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.17"]
[Round "6"]
[White "Anillo Trespalacios, Daniel David"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1610"]
[BlackElo "1772"]
[PlyCount "69"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. Nxc6 bxc6 10. e5 Nd7 11. f4 e6 12. Na4 Qa5 13. c3 f6 14. b4 Qc7 15. Nc5 Nb6 16. Bg4 Qe7 17. Nd3 Ba6 18. Bc5 Qe8 19. Bxf8 Kxf8 20. Re1 Nc4 21. Nc5 Bc8 22. exf6 Bxf6 23. Nxe6+ Bxe6 24. Rxe6 Qd8 25. Rc1 a5 26. f5 g5 27. Bh5 Qb6+ 28. Kh1 Kg7 29. Qe2 Rf8 30. Rxf6 Kxf6 31. Qe6+ Kg7 32. Qe7+ Kg8 33. f6 Rxf6 34. Qxf6 Qe3 35. Qf7+ 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.17"]
[Round "7"]
[White "Carrero Hernandez, Oscar David"]
[Black "Tapiero Lozano, Harrison Geronimo"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1772"]
[BlackElo "1528"]
[PlyCount "69"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Nf6 7. e5 Ng4 8. exd6 Qxd6 9. Qxd6 exd6 10. 0-0 Nge5 11. Re1 Be7 12. Nxe5 dxe5 13. Nd5 0-0 14. Nxe7+ Nxe7 15. Rxe5 Ng6 16. Rc5 Bd7 17. Rc7 Bc6 18. Be3 a6 19. Bc5 Rfc8 20. Rxf7 Kh8 21. Bd4 Rg8 22. Rc7 Nf4 23. Re1 Bd5 24. Bxd5 Nxd5 25. Rxb7 Rad8 26. g3 a5 27. Re5 Nb4 28. Bc3 Nc6 29. Re6 Nb8 30. Ree7 Rd1+ 31. Kg2 Nc6 32. Rxg7 Rgd8 33. Rxh7+ Kg8 34. Rbg7+ Kf8 35. Rh8# 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.16"]
[Round "5"]
[White "Carrero Hernandez, Oscar David"]
[Black "Bravo Mejia, Angel David"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1772"]
[BlackElo "1535"]
[PlyCount "44"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Bf4 Bg7 8. Be2 0-0 9. Qd2 Be6 10. Na3 Re8 11. Bh6 Bh8 12. h4 Bg4 13. h5 e5 14. hxg6 fxg6 15. 0-0-0 exd4 16. Nxd4 Bxe2 17. Nxe2 d5 18. Nf4 Na4 19. Nd3 dxc4 20. Nxc4 Qd4 21. Qb4 Rc8 22. Nde5 Qxe5 0-1

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.16"]
[Round "4"]
[White "Castro Castro, Joaquin"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1967"]
[BlackElo "1772"]
[PlyCount "77"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nh6 7. Nc3 0-0 8. f3 Qb6 9. Na4 Qb4+ 10. Bd2 Qd6 11. Nb5 Qe5 12. Qc1 a6 13. Nb6 axb5 14. Nxa8 Nd4 15. Bd3 bxc4 16. Qxc4 b5 17. Qc7 d6 18. Nb6 Be6 19. 0-0 Qh5 20. Qxe7 Nc6 21. Qg5 Bd4+ 22. Kh1 Qxg5 23. Bxg5 Ne5 24. Bxh6 Rb8 25. Rad1 Rxb6 26. b3 Bc5 27. h3 f6 28. Bc1 Ra6 29. Bb1 h5 30. Bb2 Nd7 31. f4 Bf7 32. Bd4 Bb4 33. Rc1 Be8 34. Bd3 Ra5 35. Rc7 Kf7 36. Rb7 Rxa2 37. Bxb5 Ke6 38. Bc4+ Ke7 39. Rxb4 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.15"]
[Round "3"]
[White "Carrero Hernandez, Oscar David"]
[Black "Soto Leguizamon, David Esteban"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1772"]
[BlackElo "1507"]
[PlyCount "38"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Bd7 7. 0-0 g6 8. Bf4 Bg7 9. Qb3 Nh6 10. Bxh6 Bxh6 11. Bxf7+ Kf8 12. e5 dxe5 13. Rad1 Qc8 14. Ne4 b6 15. Nfg5 Bxg5 16. Nxg5 Nd4 17. Qd5 h6 18. Bxg6 Ne2+ 19. Kh1 e6 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.15"]
[Round "2"]
[White "Guarin Fonseca, Nobel Alfredo"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "1992"]
[BlackElo "1772"]
[PlyCount "103"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 Na6 7. 0-0 e5 8. Re1 exd4 9. Nxd4 Nc5 10. f3 a5 11. Be3 Bd7 12. Qd2 Re8 13. Rad1 Qe7 14. Bf1 b6 15. Bg5 Ne6 16. Nf5 gxf5 17. exf5 Qf8 18. fxe6 Bxe6 19. Qf4 Nd7 20. Qh4 Ne5 21. Nd5 Ng6 22. Qf2 Bxd5 23. cxd5 c5 24. dxc6 Rac8 25. Qxb6 h6 26. Bc1 Nh4 27. Ba6 Rb8 28. Qf2 Nf5 29. Rxe8 Qxe8 30. c7 Ra8 31. Qe2 Qxe2 32. Bxe2 Rc8 33. Bd2 Rxc7 34. Bxa5 Re7 35. Bd3 Ne3 36. Rb1 Bd4 37. Kh1 Nd5 38. Be4 Nf4 39. Bd2 Nh5 40. Bxh6 Re6 41. Bg5 Re5 42. Bh4 d5 43. Bd3 Nf4 44. Bf1 Rh5 45. g3 Ng6 46. Bd8 Ne5 47. Kg2 Rf5 48. Be2 Nc6 49. Bc7 Nb4 50. a3 Nc2 51. Bf4 Be3 52. Bd3 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.14"]
[Round "1"]
[White "Carrero Hernandez, Oscar David"]
[Black "Rivas Hoyos, Jermain Richard"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1772"]
[BlackElo "1487"]
[PlyCount "65"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. exd5 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 exd4 8. Nxd4 Nxd4 9. Bxd4 Nf6 10. Be2 Be6 11. Bxf6 gxf6 12. Qxd5 Bxd5 13. f3 0-0-0 14. 0-0-0 Be6 15. Bd3 h6 16. g4 h5 17. h3 hxg4 18. hxg4 Rxh1 19. Rxh1 Rd5 20. Rh6 Ra5 21. a3 f5 22. g5 Re5 23. f4 Re1+ 24. Kd2 Rg1 25. Rf6 Rg2+ 26. Kc3 Rg3 27. Kd2 Kd7 28. Bxf5 Bxf5 29. Rxf7+ Ke6 30. Rf6+ Kd7 31. Rxf5 Rg2+ 32. Kc3 Rg3+ 33. Kd4 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.09"]
[Round "4"]
[White "Carrero Hernandez, Oscar David"]
[Black "Gonzalez Bolivar, Juan Jose"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1772"]
[BlackElo "1879"]
[PlyCount "53"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. Nbd2 h6 7. 0-0 0-0 8. Re1 a6 9. a4 Be6 10. Bxe6 fxe6 11. Nf1 Qd7 12. Ng3 Rae8 13. b4 Bb6 14. h4 Ng4 15. Rf1 d5 16. b5 axb5 17. axb5 Na7 18. Ba3 Rf7 19. c4 c6 20. c5 Bd8 21. Bb2 Nxb5 22. Bxe5 Rxf3 23. gxf3 Nxe5 24. d4 Nxd4 25. Kg2 Ndxf3 26. Ra3 Nxh4+ 27. Kg1 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.09"]
[Round "5"]
[White "Madrigal Montagutt, Anthony Steve"]
[Black "Carrero Hernandez, Oscar David"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1690"]
[BlackElo "1772"]
[PlyCount "41"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nh6 7. Be2 0-0 8. 0-0 d6 9. Qd2 Ng4 10. Bxg4 Bxg4 11. f3 Bd7 12. Kh1 Rc8 13. Rad1 Qa5 14. a3 Ne5 15. Nd5 Qd8 16. b3 e6 17. Nf4 Qe7 18. c4 Rfd8 19. Nde2 b5 20. cxb5 Bxb5 21. Rc1 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.08"]
[Round "2"]
[White "Carrero Hernandez, Oscar David"]
[Black "Peinado, Giovanny"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1772"]
[BlackElo "2133"]
[PlyCount "61"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Nf3 Nxd5 6. d4 Be7 7. Nc3 0-0 8. Bc4 Nb6 9. Bb3 Bg4 10. Be3 Nc6 11. 0-0 Bf6 12. h3 Bh5 13. g4 Bg6 14. g5 Be7 15. Ne5 Nxe5 16. dxe5 Bxg5 17. f4 Bh6 18. Bxb6 axb6 19. Qxd8 Raxd8 20. f5 Be3+ 21. Kg2 Bh5 22. Nd5 Bc5 23. e6 Rc8 24. Nf4 g6 25. exf7+ Kh8 26. Ne6 gxf5 27. Nxf8 Rxf8 28. Rxf5 Bg6 29. Raf1 Bxf5 30. Rxf5 h6 31. h4 1/2-1/2

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.08"]
[Round "1"]
[White "Rincon Pita, Anthony Edu"]
[Black "Carrero Hernandez, Oscar David"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1500"]
[BlackElo "1772"]
[PlyCount "60"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Nbd2 0-0 6. Bd3 Qe8 7. 0-0 Nbd7 8. Bg3 e5 9. dxe5 dxe5 10. e4 Nh5 11. Nh4 Nc5 12. Qe1 Bg4 13. Be2 Bxe2 14. Qxe2 Qc6 15. h3 Nxg3 16. fxg3 Rad8 17. Qe3 Rd7 18. Rad1 Rfd8 19. Rf2 Nxe4 20. Re2 Qb6 21. Qxb6 axb6 22. Nhf3 Nxg3 23. Rf2 e4 24. Re1 exf3 25. Nxf3 Rd1 26. Kh2 Rxe1 27. Nxe1 Be5 28. Rf3 Rd1 29. Nd3 Nf1+ 30. Kg1 Nd2+ 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Carrero Hernandez, Oscar David"]
[Black "Abad Pacheco, Jonathan"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1622"]
[PlyCount "96"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Nc3 Bb4 6. Nf3 0-0 7. a3 Re8+ 8. Be2 Bf8 9. 0-0 Bf5 10. Qb3 Nbd7 11. d4 Nb6 12. Ne5 Nfxd5 13. Nxd5 Qxd5 14. Qxd5 Nxd5 15. Bc4 c6 16. g4 Be6 17. h3 f6 18. Nd3 h5 19. f4 Nxf4 20. Bxe6+ Nxe6 21. d5 Nd4 22. dxc6 Nxc6 23. gxh5 Rad8 24. Rf3 Nd4 25. Rf2 Ne2+ 26. Kf1 Nxc1 27. Nxc1 Rd1+ 28. Kg2 Ree1 29. Rc2 b6 30. b4 g5 31. Rc8 Kf7 32. a4 Bxb4 33. Rc7+ Ke6 34. h6 Rd7 35. Rxd7 Kxd7 36. Nd3 Re2+ 37. Kf3 Bc3 38. Rc1 Re7 39. Rxc3 Rh7 40. Kg4 Rxh6 41. Nf2 Rh4+ 42. Kg3 Rxa4 43. Ng4 Ke6 44. Rc6+ Ke7 45. Nxf6 b5 46. Nd5+ Kd7 47. Rc5 Kd6 48. Rxb5 a6 1/2-1/2

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "6"]
[White "Ladino Hernandez, Angel Joel"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1395"]
[BlackElo "1622"]
[PlyCount "47"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 e6 7. Bc4 Nb6 8. Bb3 Be7 9. Nc3 d5 10. a3 f6 11. 0-0 Nc4 12. Qe2 N6a5 13. Ba4+ Kf7 14. exf6 Bxf6 15. Ne5+ Bxe5 16. dxe5 Rf8 17. Qh5+ Kg8 18. Bc2 g6 19. Bxg6 hxg6 20. Qxg6+ Kh8 21. Bg5 Qd7 22. Bf6+ Rxf6 23. exf6 Ne5 24. Qh5+ 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "4"]
[White "Ocampo Cadavid, Matias"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1453"]
[BlackElo "1622"]
[PlyCount "59"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. 0-0 d6 6. Nbd2 Re8 7. b3 e5 8. dxe5 dxe5 9. e4 Nc6 10. Bb2 Nh5 11. Bc4 Nf4 12. g3 Ne6 13. Bb5 Ned4 14. Nxd4 exd4 15. f4 Bh3 16. Rf2 h5 17. f5 Bg4 18. Qf1 gxf5 19. exf5 h4 20. Rf4 hxg3 21. Rxg4 gxh2+ 22. Kxh2 Qd6+ 23. Kg1 Ne5 24. Rxg7+ Kxg7 25. Bxe8 Rxe8 26. Ne4 Qb6 27. Qg2+ Kh7 28. Qh3+ Kg8 29. Qg3+ Kf8 30. Ba3+ 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Carrero Hernandez, Oscar David"]
[Black "Rios Parra, Juan Fernando"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1622"]
[BlackElo "1882"]
[PlyCount "46"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 e6 6. Bc4 a6 7. 0-0 Ne7 8. Qe2 Ng6 9. Rd1 Be7 10. Be3 Nc6 11. Rac1 0-0 12. Na4 Bd7 13. Nb6 Rb8 14. Qc2 Nce5 15. Nxe5 Nxe5 16. Be2 Bc6 17. f4 Nd7 18. Nc4 d5 19. exd5 Bxd5 20. Ne5 Nxe5 21. fxe5 Bg5 22. Bc5 Bxc1 23. Bxf8 Be3+ 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "2"]
[White "Valle, Efrain"]
[Black "Carrero Hernandez, Oscar David"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1974"]
[BlackElo "1622"]
[PlyCount "88"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 0-0 6. h3 Na6 7. Bg5 h6 8. Be3 e5 9. d5 Nc5 10. Nd2 a5 11. Be2 Bd7 12. b3 Ne8 13. Qc2 b6 14. a3 f5 15. Rb1 f4 16. Bxc5 bxc5 17. Bg4 Bxg4 18. hxg4 Qg5 19. f3 h5 20. Kf1 hxg4 21. fxg4 Nf6 22. Nf3 Nxg4 23. Nxg5 Ne3+ 24. Kf2 Nxc2 25. Nb5 Rac8 26. Na7 Rce8 27. Rb2 Nd4 28. b4 axb4 29. axb4 Bf6 30. Nf3 cxb4 31. Rxb4 Rb8 32. Rhb1 Rxb4 33. Rxb4 Ra8 34. Rb7 Bd8 35. Nxd4 exd4 36. Ke2 g5 37. Kd3 g4 38. Kxd4 Bh4 39. Kd3 f3 40. gxf3 g3 41. Ke3 g2 42. Rb1 Rxa7 43. f4 Ra2 44. Kf3 Rf2+ 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "9"]
[White "Carrero Hernandez, Oscar David"]
[Black "Quinones Romero, Diego Alejandro"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1622"]
[BlackElo "1487"]
[PlyCount "24"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Be2 Nf6 7. Bf4 Be7 8. Bd6 0-0 9. a3 Bxd6 10. Qxd6 Qe7 11. e5 Ng4 12. Na4 Ngxe5 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "8"]
[White "Florez, Leidy Lucila"]
[Black "Carrero Hernandez, Oscar David"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1192"]
[BlackElo "1622"]
[PlyCount "36"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. h3 0-0 8. Bc4 Nxe4 9. Bxf7+ Rxf7 10. Nxe4 Qa5+ 11. Nc3 d5 12. Qd2 Nxd4 13. Bxd4 e5 14. 0-0 exd4 15. Ne2 Qxd2 16. Rfe1 Bxh3 17. gxh3 Qg5+ 18. Kf1 Qf5 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "5"]
[White "Carrero Hernandez, Oscar David"]
[Black "Claverie, Raul Ricardo"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1622"]
[BlackElo "2412"]
[PlyCount "86"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Nf3 Be7 6. Nc3 0-0 7. h3 Nxd5 8. d4 Re8 9. Be2 Nc6 10. 0-0 a6 11. Nxd5 Qxd5 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Rc1 Be6 15. Bd3 Bd5 16. Bc4 Rad8 17. Bxd5 Qxd5 18. Re1 Rxe1+ 19. Qxe1 Qxa2 20. Rc5 Qe6 21. d5 Qxe1+ 22. Nxe1 Nb4 23. Rxc7 b5 24. Nf3 Nxd5 25. Ra7 Nb4 26. Ng5 Rf8 27. Ne4 h6 28. Nc5 Rc8 29. Nxa6 Rc1+ 30. Kh2 Ra1 31. Ra8+ Kh7 32. Nc7 Rxa8 33. Nxa8 Nd5 34. Kg3 Kg6 35. f4 f5 36. Kf3 Kf6 37. g3 Ke6 38. Ke2 Kd6 39. Kd3 Kc5 40. b3 h5 41. h4 g6 42. Kd2 Kd4 43. Kc2 Ke3 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "4"]
[White "Beltran Serna, Ian Samuel"]
[Black "Carrero Hernandez, Oscar David"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1517"]
[BlackElo "1622"]
[PlyCount "51"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 g6 6. Re1 Bg7 7. e5 Qa5 8. Qe2 a6 9. Bc4 Nh6 10. d3 0-0 11. Bg5 d5 12. Bb3 Ng4 13. Bf4 f6 14. exf6 Rxf6 15. Bd2 Qc7 16. f4 Be6 17. h3 Ne3 18. Bxe3 dxe3 19. Qxe3 Bf7 20. Nc3 Rd8 21. d4 e6 22. Rf1 g5 23. g3 Bh6 24. Nd1 gxf4 25. Rxf4 Rxf4 26. gxf4 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "3"]
[White "Carrero Hernandez, Oscar David"]
[Black "Sepulveda, Lyda Marcela"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1622"]
[BlackElo "1370"]
[PlyCount "55"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d6 5. Nxd4 Nf6 6. Nc3 Be7 7. 0-0 0-0 8. f3 Ne5 9. Bb3 c5 10. Nde2 c4 11. f4 cxb3 12. fxe5 bxc2 13. Qxc2 Qb6+ 14. Kh1 dxe5 15. Bg5 Be6 16. Ng3 h6 17. Bxf6 Bxf6 18. Rxf6 gxf6 19. Nh5 Qd8 20. Qf2 Kh8 21. Qe3 Kh7 22. Rf1 f5 23. exf5 Qd4 24. Qg3 Rg8 25. Nf6+ Kh8 26. Qh3 Qd2 27. fxe6 fxe6 28. Nce4 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "1"]
[White "Carrero Hernandez, Oscar David"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1622"]
[BlackElo "1344"]
[PlyCount "81"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 Nf6 6. Nf3 d6 7. e5 dxe5 8. Qxd8+ Nxd8 9. Nb5 e6 10. Nc7+ Kd7 11. Nxa8 Bd6 12. Be3 Nc6 13. 0-0-0 Ke7 14. Ng5 Bd7 15. Rxd6 Rxa8 16. Bc5 Ke8 17. Rhd1 Rd8 18. Nxe6 fxe6 19. Bxe6 b6 20. Bxd7+ Rxd7 21. Rxc6 Rxd1+ 22. Kxd1 bxc5 23. Rxc5 Kd7 24. Rxe5 Ng4 25. Rf5 Ke6 26. Rf4 Ne5 27. Ra4 Nc6 28. Ra6 Kd5 29. Rxc6 Kxc6 30. Kd2 Kd5 31. h4 a6 32. a4 Kd4 33. b3 h6 34. f3 g5 35. hxg5 hxg5 36. b4 Kc4 37. b5 axb5 38. axb5 Kxb5 39. Ke3 Kc5 40. Ke4 Kd6 41. Kf5 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "2"]
[White "Gomez, Samael"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1933"]
[BlackElo "1622"]
[PlyCount "63"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. a3 a5 7. b3 0-0 8. Bb2 Re8 9. Be2 Ncxe5 10. Nbd2 d6 11. h3 Nxf3+ 12. Nxf3 Ne5 13. Nxe5 dxe5 14. Qxd8 Rxd8 15. Bxe5 c6 16. 0-0 Rd2 17. Rfd1 Rxd1+ 18. Rxd1 Bf5 19. Bb2 f6 20. g4 Bg6 21. Rd7 Rb8 22. h4 Bf7 23. Bc3 Be6 24. Rd2 Bxa3 25. Bxa5 b6 26. Bc3 b5 27. g5 f5 28. Ra2 Be7 29. Ra7 Kf8 30. Bxg7+ Kxg7 31. Rxe7+ Bf7 32. Bh5 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.14"]
[Round "6"]
[White "Carrero Hernandez, Oscar David"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1740"]
[PlyCount "79"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Bg4 4. Bf4 e6 5. h3 Bxf3 6. exf3 Bd6 7. Bxd6 Qxd6 8. c5 Qd8 9. Qb3 b6 10. Bd3 Nf6 11. 0-0 0-0 12. Nd2 Nbd7 13. Rac1 b5 14. Rfe1 Qa5 15. Qc2 Rfe8 16. g4 Nf8 17. f4 Qc7 18. f5 exf5 19. Bxf5 g6 20. Bd3 Qc8 21. Rxe8 Qxe8 22. Nf3 N8d7 23. Re1 Qc8 24. Re7 Kf8 25. Qe2 Qd8 26. Re3 a6 27. Ne5 Qc8 28. f4 Kg7 29. f5 Qc7 30. fxg6 hxg6 31. a3 Rb8 32. b4 Ra8 33. Bxg6 fxg6 34. Nxd7 Nxd7 35. Re7+ Kf8 36. Kg2 Qd8 37. Re6 Qc8 38. Qf2+ Kg7 39. Re7+ Kh6 40. Qh4# 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "4"]
[White "Carrero Hernandez, Oscar David"]
[Black "Moreno Hernandez, Andres Mauricio"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1740"]
[BlackElo "1470"]
[PlyCount "51"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Bc4 Nxc3 7. bxc3 Nc6 8. d4 e6 9. Nf3 Bd6 10. 0-0 0-0 11. Bd3 h6 12. Be3 Qc7 13. Qd2 f5 14. Qc2 e5 15. h3 e4 16. Bc4+ Kh7 17. Ne1 Rf6 18. f3 f4 19. fxe4 fxe3 20. e5+ Bf5 21. Rxf5 Rxf5 22. Qxf5+ g6 23. exd6 Qxd6 24. Qf3 e2 25. Bxe2 Nxd4 26. Qxb7+ 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "5"]
[White "Sarmiento, Juan Diego"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1489"]
[BlackElo "1740"]
[PlyCount "45"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Qd4 Nf6 7. e5 Nd5 8. c4 Nb4 9. Qc3 e6 10. a3 Na6 11. Nd2 Bg7 12. Ne4 0-0 13. Bg5 Qc7 14. f4 d5 15. Nf6+ Kh8 16. Qh3 h5 17. g4 Qa5+ 18. Ke2 Qb6 19. Rb1 Bxf6 20. Bxf6+ Kh7 21. gxh5 g5 22. Qd3+ Kg8 23. h6 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "3"]
[White "Carrero Hernandez, Oscar David"]
[Black "Gomez Gomez, Elvis Naid"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1740"]
[BlackElo "1548"]
[PlyCount "58"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. h4 h6 2. e4 c5 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Nf3 e5 7. Bc4 Nf6 8. Qb3 Qe7 9. 0-0 d6 10. Nd5 Nxd5 11. exd5 Na5 12. Qb5+ Bd7 13. Qxa5 Qf6 14. Qc7 Rc8 15. Qxb7 Rxc4 16. Qb8+ Rc8 17. Qxa7 Qd8 18. Be3 Be7 19. Bb6 Qxb6 20. Qxb6 0-0 21. Qe3 Bf5 22. Rac1 Bf6 23. Rxc8 Rxc8 24. Rc1 Rb8 25. b3 Rb5 26. Qa7 Kh7 27. Qxf7 Be4 28. Rc7 Bxd5 29. Qxf6 Rb7 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "2"]
[White "Hurtado Paez, Andres Jesus"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1590"]
[BlackElo "1740"]
[PlyCount "59"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 d6 4. Bb5+ Nc6 5. Bxc6+ bxc6 6. Nf3 Bg7 7. 0-0 Qb6 8. Qe1 Ba6 9. d3 c4+ 10. d4 Bxd4+ 11. Nxd4 Qxd4+ 12. Be3 Qg7 13. Qd2 Nh6 14. f5 Ng4 15. f6 Nxf6 16. Bh6 Qg8 17. Rxf6 0-0-0 18. Rf2 f6 19. Be3 Rd7 20. b4 d5 21. exd5 cxd5 22. Qd4 e5 23. Qc5+ Kb8 24. Rxf6 Bb7 25. Nb5 Qg7 26. Qxa7+ Kc8 27. Nd6+ Kd8 28. Nxb7+ Rxb7 29. Bb6+ Ke8 30. Qa8+ 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.11"]
[Round "1"]
[White "Perez Latorre, Juan Sebastian"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1408"]
[BlackElo "1740"]
[PlyCount "77"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d6 6. h3 Bd7 7. Bc4 e6 8. Bf4 b5 9. Bb3 Qb6 10. 0-0 Nc6 11. Bxd6 Nxd4 12. e5 Nxf3+ 13. Qxf3 Bc6 14. Qe2 Ne7 15. Nd2 Qb7 16. Rac1 Rc8 17. Qg4 Nf5 18. Bb4 Rd8 19. Qe2 Bxg2 20. Rfd1 Nd4 21. Qe3 Nf5 22. Qe2 Bxh3 23. Nf3 Nd4 24. Rxd4 Rxd4 25. Bd6 Rxd6 26. exd6 0-0 27. Rc7 Qb6 28. Qd2 Rd8 29. a3 Qxd6 30. Qxd6 Rxd6 31. Ng5 Bf5 32. Nxf7 a5 33. Nxd6 Bxb2 34. Nxf5 gxf5 35. Bxe6+ Kf8 36. Bxf5 Bxa3 37. Rxh7 Be7 38. Bg6 Bd8 39. Rf7+ 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.02"]
[Round "7"]
[White "Carrero Hernandez, Oscar David"]
[Black "Rivera Suarez, Cesar Dario"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1452"]
[BlackElo "1800"]
[PlyCount "35"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Bc4 a6 6. a4 Bc5 7. Nxc6 bxc6 8. Qe2 d5 9. exd5 cxd5 10. Bb5+ Bd7 11. Bxa6 Qa5+ 12. Bd2 Qxa6 13. Qxa6 Rxa6 14. b4 Bd6 15. b5 Bxb5 16. axb5 Rxa1 17. Ke2 Ne7 18. Be3 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.02"]
[Round "6"]
[White "Galvis Gomez, Jaime"]
[Black "Carrero Hernandez, Oscar David"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1609"]
[BlackElo "1452"]
[PlyCount "88"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Qd2 c6 7. h4 Bg4 8. Be2 b5 9. Bh6 b4 10. Nd1 Nxe4 11. Qf4 Bxh6 12. Qxh6 Qa5 13. Ng5 Nxg5 14. hxg5 Bh5 15. Bxh5 gxh5 16. g4 Qd5 17. Rxh5 Qe6+ 18. Ne3 Qxh6 19. Rxh6 f6 20. 0-0-0 fxg5 21. Rdh1 Rf7 22. R1h5 Nd7 23. Rxg5+ Kf8 24. Nf5 Nf6 25. f3 Rd8 26. Ng3 e6 27. Nh5 Ng8 28. Rxe6 Rxf3 29. Rf5+ Rxf5 30. gxf5 Kf7 31. Kd2 c5 32. d5 Ne7 33. Rf6+ Kg8 34. Nf4 Rf8 35. Rxd6 Rxf5 36. Rd8+ Kf7 37. Ke3 Re5+ 38. Kf3 Ng6 39. Rd7+ Re7 40. Rxe7+ Kxe7 41. Ke4 Nxf4 42. Kxf4 Kd6 43. c4 bxc3 44. bxc3 Kxd5 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.01"]
[Round "3"]
[White "Carrero Hernandez, Oscar David"]
[Black "Gonzalez Suarez, Nelson"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1452"]
[BlackElo "1460"]
[PlyCount "13"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Be2 Bxf3 6. Bxf3 Qxd4 7. Bxc6+ 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.01"]
[Round "5"]
[White "Carrero Hernandez, Oscar David"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "1452"]
[BlackElo "1795"]
[PlyCount "52"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Bd7 8. f4 a6 9. a4 Rc8 10. Ba2 Be7 11. Qf3 Nxd4 12. Bxd4 Bc6 13. g4 Qa5 14. Kf2 Qb4 15. Rhd1 h6 16. h3 Bxa4 17. Bxe6 fxe6 18. Rxa4 Qxb2 19. Ra2 Qb4 20. Qe3 Rxc3 21. Bxc3 Qxc3 22. Rd3 Qc4 23. e5 Nd5 24. Qd4 Qxa2 25. exd6 Bh4+ 26. Kf3 0-0 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.03.31"]
[Round "1"]
[White "Carrero Hernandez, Oscar David"]
[Black "Vasquez, Nestor"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1452"]
[BlackElo "1630"]
[PlyCount "50"]
[EventDate "2023.03.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. c4 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Bc5 6. Nb5 Qb6 7. Nd6+ Ke7 8. Nxc8+ Rxc8 9. Qd2 Nf6 10. Nc3 Bb4 11. Bd3 Ne5 12. a3 Nxd3+ 13. Qxd3 Bxc3+ 14. bxc3 Qc5 15. a4 Qxc4 16. Ba3+ Kd8 17. Qd6 Qxc3+ 18. Ke2 Qc2+ 19. Ke1 Qxe4+ 20. Kf1 Qc4+ 21. Kg1 Nd5 22. Rd1 Re8 23. g3 Qxa4 24. Kg2 Qc6 25. Qe5 Nf4+ 0-1

[Event "Calle Region-ch U1700"]
[Site "Calle"]
[Date "2020.02.23"]
[Round "5.13"]
[White "Ballesteros Velasco, Maria Catalina"]
[Black "Carrero Hernandez, Oscar David"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1446"]
[PlyCount "39"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. Be2 Bf5 5. d3 Bd6 6. Nc3 Nf6 7. 0-0 0-0 8. h3 c5 9. Bg5 Nbd7 10. Nxd5 h6 11. Nxf6+ Nxf6 12. Be3 Bd7 13. Re1 Bc6 14. Qd2 Kh7 15. Bf4 Nd5 16. Bxd6 Qxd6 17. d4 Nf4 18. dxc5 Qxd2 19. Nxd2 Nxg2 20. Rad1 0-1

[Event "Calle Region-ch U1700"]
[Site "Calle"]
[Date "2020.02.22"]
[Round "4.8"]
[White "Carrero Hernandez, Oscar David"]
[Black "Celis Mantilla, Daniel Mauricio"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1446"]
[BlackElo "1600"]
[PlyCount "36"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nf3 Nf6 4. e5 Nfd7 5. Nc3 c5 6. Be3 Qb6 7. Na4 Qa5+ 8. c3 Nc6 9. Bd2 b5 10. c4 b4 11. Rc1 cxd4 12. cxd5 Qxd5 13. Bc4 Qe4+ 14. Qe2 Qxe2+ 15. Bxe2 Ncxe5 16. Bf4 Nxf3+ 17. Bxf3 Be7 18. Bxa8 0-0 0-1

[Event "Calle Region-ch U1700"]
[Site "Calle"]
[Date "2020.02.22"]
[Round "2.4"]
[White "Carrero Hernandez, Oscar David"]
[Black "Jaimes Maldonado, Johan Sebastian"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1446"]
[BlackElo "1640"]
[PlyCount "40"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Qf3 Bxc3+ 8. bxc3 d6 9. Qg3 Nh5 10. Qf3 Nf6 11. Bg5 Be6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Bb5 a6 15. Bxc6+ bxc6 16. Na5 Kd7 17. 0-0 Rhg8 18. Kh1 Rg4 19. f3 Rg5 20. f4 exf4 1-0

[Event "Bogota Bonita op"]
[Site "Bogota"]
[Date "2019.09.26"]
[Round "1"]
[White "Dlaikan, Kevin"]
[Black "Carrero Hernandez, Oscar David"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1638"]
[BlackElo "1500"]
[PlyCount "67"]
[EventDate "2019.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Bc4 Bf5 7. Ne2 e6 8. Nf4 Nd7 9. g4 Bg6 10. h4 h6 11. Bxe6 fxe6 12. Nxg6 Rg8 13. Qe2 Qa5+ 14. Bd2 Qb5 15. Qxb5 cxb5 16. Nf4 Rc8 17. c3 Rc6 18. 0-0 Be7 19. h5 Bg5 20. Rfe1 Nb6 21. Rxe4 Nc4 22. Be3 Rf8 23. d5 exd5 24. Nxd5 Bxe3 25. Nxe3 Nd2 26. Rb4 Nf3+ 27. Kg2 Nxe5 28. Rxb5 Nd3 29. Nf5 g6 30. hxg6 Rxg6 31. Kg3 a6 32. Rd5 h5 33. Nd6+ Ke7 34. Rxd3 1-0

