[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.02"]
[Round "9"]
[White "Gonzalez Pereira, Jose David"]
[Black "Salazar Perez, Nicolas David"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1899"]
[BlackElo "1655"]
[PlyCount "81"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 d5 8. cxd5 exd5 9. Bg5 Nbd7 10. Rc1 h6 11. Bxf6 Nxf6 12. Ne5 Rc8 13. Nb5 a6 14. Na7 Ra8 15. Nac6 Qd6 16. Qc2 Bxc6 17. Nxc6 Rfc8 18. Qd3 a5 19. Rc2 Bf8 20. Rfc1 Nd7 21. Bh3 g6 22. Ne5 Nxe5 23. dxe5 Qxe5 24. Bxc8 Rxc8 25. Qa6 Qf5 26. Rxc7 Rxc7 27. Rxc7 Qb1+ 28. Kg2 Qxb2 29. Qb7 Qxe2 30. Qxd5 Qe8 31. Rc6 Bc5 32. Rxg6+ Kh7 33. Rf6 Kg7 34. Rf5 Qe6 35. Qxe6 fxe6 36. Re5 Kf6 37. f4 Bd4 38. Re4 Bc5 39. a4 Kf5 40. Kf3 Kf6 41. g4 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.02"]
[Round "8"]
[White "Manrique Hernandez, Andres Leonardo"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "B34"]
[BlackElo "1899"]
[PlyCount "91"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. 0-0-0 Nxd4 10. Bxd4 dxe4 11. Nxe4 Nxe4 12. fxe4 Qc7 13. Bxg7 Kxg7 14. Qd4+ f6 15. Bc4 Bg4 16. Rd3 Be2 17. Rc3 Qf4+ 18. Kb1 Rfd8 19. Qc5 Bxc4 20. Qxe7+ Bf7 21. Rc7 Rf8 22. Rxb7 Rae8 23. Qd7 Qxe4 24. b3 Qe6 25. Rxa7 Qxd7 26. Rxd7 Re2 27. g3 Kh6 28. a4 Be6 29. Rc7 Rf7 30. Rxf7 Bxf7 31. a5 Bd5 32. Rc1 Be4 33. a6 Rd2 34. Kb2 f5 35. b4 Kg7 36. b5 Kf6 37. Kc3 Rxh2 38. b6 Re2 39. b7 Bxb7 40. axb7 Re8 41. Kd4 Rb8 42. Rb1 Ke6 43. Kc5 Kd7 44. Kb6 Rxb7+ 45. Kxb7 g5 46. Rh1 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.01"]
[Round "6"]
[White "Betancourt Vega, Breynner David"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1650"]
[BlackElo "1899"]
[PlyCount "68"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 d5 10. Nxd5 Nxd5 11. exd5 Nb4 12. Bd3 Nxd3+ 13. cxd3 Bf5 14. Ke2 0-0-0 15. Be3 Rxd5 16. Rac1+ Kb8 17. Rc3 Rhd8 18. Rd1 h5 19. Bb6 Re8 20. h4 e4 21. dxe4 Rxe4+ 22. Re3 Rxd1 23. Rxe4 Bxe4 24. Kxd1 Bxg2 25. a4 Kc8 26. Ke2 Kd7 27. b4 Bc6 28. a5 Ke6 29. f3 Kf5 30. Kf2 f6 31. Kg3 g5 32. hxg5 fxg5 33. Bc7 Ba4 34. Bb8 b5 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.01"]
[Round "7"]
[White "Gonzalez Pereira, Jose David"]
[Black "Zea Parra, Luis Estiven"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1899"]
[BlackElo "1648"]
[PlyCount "60"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 c5 8. e3 0-0 9. 0-0 d5 10. cxd5 exd5 11. dxc5 bxc5 12. Qc2 Qe7 13. Rac1 Nbd7 14. Nb3 Rac8 15. Rfd1 Rfd8 16. Nh4 Ba8 17. Nf5 Qf8 18. Nd2 g6 19. Nh4 Qe7 20. Qa4 Ne5 21. Qa3 Rc7 22. Nhf3 d4 23. exd4 Nxf3+ 24. Nxf3 Bxf3 25. Bxf3 cxd4 26. Qxe7 Rxe7 27. Rd3 Red7 28. Rc4 Kf8 29. b4 Ne8 30. b5 Nc7 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.31"]
[Round "5"]
[White "Gonzalez Pereira, Jose David"]
[Black "Beltran, Oscar Sebastian"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1899"]
[BlackElo "1554"]
[PlyCount "33"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Bf5 7. Nc3 Nbd7 8. Nh4 Bg4 9. h3 Be6 10. d5 Bf5 11. e4 Bxh3 12. Bxh3 Ne5 13. Qe2 g5 14. Bxg5 h6 15. Be3 Re8 16. Nf5 h5 17. Nxg7 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.31"]
[Round "4"]
[White "Gutierrez Pama, Andres Mauricio"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1729"]
[BlackElo "1899"]
[PlyCount "81"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nf6 6. h3 Be7 7. Bd3 0-0 8. 0-0 Qb6 9. Nbd2 Nc6 10. dxc5 Bxc5 11. Nb3 Bd6 12. Be3 Qc7 13. Nbd4 a6 14. Rc1 Bf4 15. Re1 Bd7 16. c4 dxc4 17. Rxc4 Bxe3 18. Rxe3 Qa5 19. a3 Nxd4 20. Nxd4 Rfe8 21. b4 Qb6 22. Qf3 Rxe3 23. fxe3 Rc8 24. Rxc8+ Bxc8 25. Qf4 Qd8 26. Qb8 Qe8 27. Kf2 Kf8 28. b5 axb5 29. Nxb5 Qd7 30. Nd6 Ne8 31. Nxe8 Kxe8 32. Qe5+ Kf8 33. Bxh7 g6 34. g4 Qd2+ 35. Kg3 Qe1+ 36. Kf4 Qf2+ 37. Kg5 Qc2 38. Qd6+ Kg7 39. Qf6+ Kf8 40. Qd8+ Kg7 41. Qg8# 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.30"]
[Round "2"]
[White "Caballero Marrugo, David Jose"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2148"]
[BlackElo "1899"]
[PlyCount "73"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 5. g3 b6 6. Bg2 Bb7 7. 0-0 0-0 8. Nc3 d6 9. Qc2 c5 10. d5 e5 11. e4 Bc8 12. Ne1 Ne8 13. f4 exf4 14. gxf4 Bf6 15. Nf3 Bg4 16. e5 Bxf3 17. Bxf3 dxe5 18. d6 Nd7 19. Bxa8 Qxa8 20. Qf5 exf4 21. Qxf4 Bd4+ 22. Be3 Be5 23. Qf5 Qc6 24. Nd5 Kh8 25. Rad1 Nxd6 26. Qc2 Nf6 27. h3 Nh5 28. b3 Qc8 29. Rf3 f5 30. Qf2 Ne4 31. Qh4 Qe8 32. Qe7 Qxe7 33. Nxe7 f4 34. Nc6 Ng5 35. Rff1 Ng3 36. Nxe5 Nxf1 37. Rxf1 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.30"]
[Round "3"]
[White "Gonzalez Pereira, Jose David"]
[Black "Rivera Robayo, Juan Jose"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1899"]
[BlackElo "1655"]
[PlyCount "65"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. e3 d6 6. Bd3 Nbd7 7. 0-0 Bxd2 8. Nxd2 e5 9. b3 Qe7 10. Bb2 e4 11. Bc2 Re8 12. f3 exf3 13. Rxf3 Nf8 14. Qf1 Bg4 15. Rg3 Bh5 16. Re1 Bg6 17. e4 Rad8 18. h3 d5 19. Rge3 dxe4 20. Nxe4 Nxe4 21. Bxe4 Bxe4 22. Rxe4 Qd7 23. Qe2 Rxe4 24. Qxe4 c6 25. d5 cxd5 26. cxd5 f6 27. Ba3 Ng6 28. Qe6+ Qxe6 29. dxe6 Ne5 30. e7 Re8 31. Rd1 Kf7 32. Rd8 b5 33. Bc5 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.29"]
[Round "1"]
[White "Gonzalez Pereira, Jose David"]
[Black "Delgado Caballero, Kevin Daniel"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1899"]
[BlackElo "1576"]
[PlyCount "50"]
[EventDate "2025.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bf4 Bb4 6. e3 Bxc3+ 7. bxc3 Nbd7 8. Be2 Qa5 9. Qc2 Ne4 10. Rc1 Nb6 11. Bd3 Na4 12. Bxe4 dxe4 13. Nd2 f5 14. Bd6 b6 15. f3 exf3 16. Nxf3 Ba6 17. Bb4 Qxb4 18. cxb4 Ke7 19. Qxa4 Kf6 20. Qxa6 Kg6 21. Qb7 Kh5 22. Qxc6 Kg4 23. Kf2 Rac8 24. Qxe6 Rhe8 25. Qf7 g5 1-0

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.19"]
[Round "9"]
[White "Acuna, Nelson David"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1951"]
[PlyCount "79"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. h3 Bd7 10. 0-0 Na5 11. Qd2 Re8 12. Bh6 Bh8 13. Rad1 Nxb3 14. axb3 Qa5 15. Rfe1 a6 16. Re3 Rad8 17. Rg3 e5 18. Nde2 Bc6 19. Rd3 Qb4 20. f3 Re6 21. Kh1 Rd7 22. Ng3 Bb5 23. Nxb5 Qxb5 24. Nf5 Ne8 25. Ne3 Bg7 26. Bg5 f6 27. Bh4 Bh6 28. Bf2 Nc7 29. c4 Qc6 30. Qc3 Bxe3 31. Bxe3 Re8 32. Qb4 Re6 33. Qa3 b6 34. Qb4 Na8 35. Qc3 Nc7 36. b4 b5 37. c5 d5 38. exd5 Rxd5 39. Rxd5 Nxd5 40. Qb3 1-0

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.19"]
[Round "8"]
[White "Gonzalez Pereira, Jose David"]
[Black "Payares Diaz, Alejandro"]
[Result "1/2-1/2"]
[ECO "E60"]
[BlackElo "1792"]
[PlyCount "83"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. b3 e5 8. dxe5 dxe5 9. Bb2 Qe7 10. Nfd2 Rd8 11. Nc3 e4 12. e3 Bg4 13. Qc1 Ne5 14. Ncxe4 Nxe4 15. Bxe4 Rxd2 16. Qxd2 Rd8 17. Qc2 Nf3+ 18. Bxf3 Bxf3 19. h3 Qg5 20. Bxg7 Qh5 21. Kh2 Kxg7 22. h4 Qg4 23. Qc3+ f6 24. c5 Re8 25. Rg1 Re4 26. Rac1 Qh5 27. Rg2 Rg4 28. Kg1 Qf5 29. Rh2 Be4 30. Qd2 Qf3 31. Qd7+ Kh6 32. Qxc7 f5 33. h5 gxh5 34. Qd6+ Kg7 35. Qe7+ Kg6 36. Qe8+ Kg7 37. Qe7+ Kg6 38. Qe6+ Kg7 39. Qe5+ Kg6 40. Re1 h4 41. Qe6+ Kg7 42. Qe7+ 1/2-1/2

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.18"]
[Round "6"]
[White "Cesar Acosta, Christian Alejandro"]
[Black "Gonzalez Pereira, Jose David"]
[Result "0-1"]
[ECO "D61"]
[WhiteElo "1668"]
[PlyCount "108"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[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 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. Bg5 Nbd7 7. Qc2 c5 8. e3 0-0 9. Be2 a6 10. 0-0 dxc4 11. Bxc4 b5 12. Be2 Bb7 13. dxc5 Bxc5 14. Rfd1 Qb6 15. a3 Rac8 16. b4 Be7 17. Qb2 Rfd8 18. e4 h6 19. Be3 Qc7 20. Rac1 Qb8 21. Qb1 Ng4 22. a4 Nxe3 23. fxe3 bxa4 24. Nxa4 Rxc1 25. Rxc1 Qa7 26. Kf2 Nf6 27. Nc5 Bxc5 28. bxc5 Nxe4+ 29. Ke1 Bd5 30. Qb6 Qxb6 31. cxb6 Rb8 32. Rb1 Nc3 33. Rb2 Nxe2 34. Kxe2 Bc4+ 35. Kd2 Bb5 36. Nd4 Rxb6 37. Kc3 e5 38. Nxb5 Rxb5 39. Rxb5 axb5 40. Kb4 f5 41. Kxb5 Kf7 42. Kc5 Ke6 43. g3 g5 44. h3 f4 45. exf4 gxf4 46. gxf4 exf4 47. Kd4 Kf5 48. Kd3 Ke5 49. h4 h5 50. Kd2 Kd4 51. Ke2 Ke4 52. Kf2 f3 53. Kf1 Kf4 54. Kf2 Kg4 0-1

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.18"]
[Round "7"]
[White "Gonzalez Pereira, Jose David"]
[Black "Otalvaro Vasquez, Camilo Andres"]
[Result "1-0"]
[ECO "E04"]
[BlackElo "1782"]
[PlyCount "85"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[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. Nf3 Nf6 4. g3 Nc6 5. Bg2 dxc4 6. 0-0 Be7 7. e3 0-0 8. Nbd2 Nd5 9. Nxc4 b5 10. Nce5 Nxe5 11. Nxe5 Bb7 12. a4 a6 13. Qb3 Qe8 14. Nd3 Rb8 15. axb5 Qxb5 16. Qxb5 axb5 17. Ra7 Bd6 18. Bd2 f5 19. Rc1 Bc8 20. Nc5 c6 21. Nd7 Bxd7 22. Rxd7 Rfd8 23. Rxd8+ Rxd8 24. Rxc6 Kf7 25. Bxd5 exd5 26. Rb6 b4 27. Bxb4 Bxb4 28. Rxb4 h6 29. h4 Ra8 30. Rb7+ Kf6 31. b4 g5 32. Rb6+ Kg7 33. hxg5 hxg5 34. Rd6 Rb8 35. Rxd5 Kf6 36. b5 g4 37. Rc5 Ke6 38. Kg2 Kf6 39. f3 Ra8 40. Rc6+ Ke7 41. Ra6 Rc8 42. fxg4 fxg4 43. b6 1-0

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.17"]
[Round "5"]
[White "Gonzalez Pereira, Jose David"]
[Black "Sandoval, Jesus Eduardo"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "1847"]
[PlyCount "66"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bf4 Nbd7 9. Bc4 g6 10. e5 Nxe5 11. Bxe5 dxe5 12. Nf3 Bg4 13. h3 Bxf3 14. Qxf3 Bh6 15. d6 0-0 16. Rd1 e4 17. Qb3 exd6 18. Rxd6 Qe7 19. 0-0 e3 20. fxe3 Bxe3+ 21. Kh1 Nh5 22. Rf3 Bf4 23. Rd1 Rad8 24. Rdf1 Qe5 25. Rxf4 Nxf4 26. Qg3 Nd3 27. Qh4 g5 28. Qg4 h6 29. Rf5 Qxb2 30. h4 Nf2+ 31. Rxf2 Qxf2 32. hxg5 Qe1+ 33. Kh2 Qe5+ 0-1

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.17"]
[Round "4"]
[White "Manotas, S Franklin"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1927"]
[PlyCount "53"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 d5 3. Bd3 g6 4. Nd2 Bg7 5. f4 0-0 6. Ngf3 c5 7. c3 b6 8. Qe2 Bb7 9. 0-0 Ne4 10. g4 Nd7 11. Qg2 Qc8 12. Ne5 Nxe5 13. fxe5 Nxd2 14. Bxd2 f6 15. exf6 exf6 16. Rf2 Qe6 17. Raf1 Rae8 18. h4 Bh6 19. g5 fxg5 20. hxg5 Bg7 21. a3 Rxf2 22. Rxf2 Rf8 23. Rxf8+ Bxf8 24. Be2 Qe4 25. Qxe4 dxe4 26. Bc4+ Kg7 27. Be1 1/2-1/2

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.16"]
[Round "3"]
[White "Carrillo Parra, Miguel Alfredo"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "E45"]
[WhiteElo "2173"]
[PlyCount "19"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[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. e3 b6 5. Nge2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. b3 Nc6 9. Bd2 Na5 10. b4 1-0

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.16"]
[Round "2"]
[White "Gonzalez Pereira, Jose David"]
[Black "Campo Jimenez, David"]
[Result "1-0"]
[ECO "A50"]
[BlackElo "1927"]
[PlyCount "49"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB52_2024"]
[SourceDate "2024.12.25"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 c5 5. d5 b5 6. Bg2 bxc4 7. Nc3 d6 8. Qa4+ Nbd7 9. Qxc4 g6 10. 0-0 Bg7 11. Rd1 0-0 12. Qh4 a5 13. Bh6 Qb6 14. Rab1 Qb4 15. e4 a4 16. a3 Qa5 17. Bh3 Nb6 18. g4 Nc4 19. Ng5 Bc8 20. Rd3 Rb8 21. Bf1 Bxh6 22. Qxh6 Ne5 23. Rg3 Nexg4 24. Rxg4 Bxg4 25. e5 1-0

[Event "Cienaga op"]
[Site "Cienaga"]
[Date "2024.12.15"]
[Round "1"]
[White "Gonzalez Pereira, Jose David"]
[Black "Torres, Saulo de Jesus"]
[Result "1-0"]
[ECO "E15"]
[BlackElo "1827"]
[PlyCount "75"]
[EventDate "2024.12.15"]
[EventType "swiss"]
[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. g3 Ba6 5. Qc2 Bb4+ 6. Nbd2 0-0 7. Bg2 d5 8. Ne5 c6 9. 0-0 Nfd7 10. Nd3 Bxd2 11. Bxd2 Bxc4 12. Rac1 Ba6 13. Rfd1 Qe7 14. Bb4 c5 15. dxc5 Bxd3 16. exd3 Na6 17. Ba3 bxc5 18. Qa4 Qd6 19. d4 Rfc8 20. Bf1 Nc7 21. dxc5 Qe7 22. Qa5 Nf6 23. b4 e5 24. b5 Ne6 25. c6 Qc7 26. Qxc7 Nxc7 27. Bd6 e4 28. Bh3 Nxb5 29. Be5 Nc7 30. Bxc8 Rxc8 31. Rb1 Nfe8 32. Rb7 a6 33. Rdb1 f6 34. Bxc7 Nxc7 35. Rxc7 Rxc7 36. Rb8+ Kf7 37. Rb7 Re7 38. c7 1-0

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.05"]
[Round "7.1"]
[White "Camargo Nino, Nicolas Andres"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1679"]
[PlyCount "37"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Magdalena VIII"]
[BlackTeam "Magdalena V"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. Bc4 Bg7 7. 0-0 0-0 8. a3 Bd7 9. Be3 Nc6 10. Nxc6 bxc6 11. Qd2 Ng4 12. Bg5 Ne5 13. Bb3 Re8 14. h3 Bxh3 15. f4 Qb6+ 16. Kh1 Bxg2+ 17. Qxg2 Nd7 18. f5 Rab8 19. fxg6 1-0

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.04"]
[Round "5.1"]
[White "Gonzalez Pereira, Jose David"]
[Black "Sandoval, Jesus Eduardo"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1792"]
[PlyCount "56"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Magdalena V"]
[BlackTeam "Magdalena III"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nc3 Nf6 5. Nb5 e5 6. dxe5 a6 7. Nd6+ Bxd6 8. exd6 0-0 9. Be2 Bf5 10. c3 d4 11. Nf3 Nd5 12. 0-0 Nxf4 13. exf4 Qxd6 14. cxd4 cxd4 15. Bd3 Bxd3 16. Qxd3 Qxf4 17. Rfe1 Rfe8 18. Rad1 Rad8 19. a3 Ne5 20. Nxe5 Rxe5 21. Rxe5 Qxe5 22. Qd2 d3 23. Re1 Qd5 24. Qe3 g6 25. Qd2 Rc8 26. Rc1 Rxc1+ 27. Qxc1 d2 28. Qd1 Qe4 0-1

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.04"]
[Round "4.1"]
[White "Mena Ardila, Alexander"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1956"]
[PlyCount "77"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Arauca"]
[BlackTeam "Magdalena V"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nc3 c6 7. e4 dxe4 8. dxe4 Bg4 9. h3 Bxf3 10. Qxf3 Qb6 11. a4 Nbd7 12. a5 Qc7 13. Bf4 e5 14. Be3 b6 15. Qe2 bxa5 16. Qa6 Rfb8 17. b3 Bf8 18. Rfd1 Qb7 19. Qe2 Bb4 20. Na4 Qb5 21. Qf3 Kg7 22. g4 Rd8 23. Bf1 Qb7 24. Bc4 Nb6 25. Nxb6 axb6 26. h4 b5 27. Be2 Ng8 28. h5 Bc3 29. Rab1 Bd4 30. h6+ Kh8 31. Bg5 Rd6 32. c3 f6 33. cxd4 fxg5 34. dxe5 Re6 35. Rd6 Rxe5 36. Rbd1 Nxh6 37. Rd7 Qb8 38. Qf6+ Kg8 39. Qg7# 1-0

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.03"]
[Round "3.1"]
[White "Gonzalez Pereira, Jose David"]
[Black "Corpus Avila, Sagan"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "65"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Magdalena V"]
[BlackTeam "San Andres Isla"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 d6 2. d4 e6 3. Nf3 Be7 4. Nc3 Nf6 5. Bg5 Nbd7 6. Bd3 c6 7. 0-0 h6 8. Bd2 Nh7 9. e5 Ng5 10. exd6 Bxd6 11. Qe2 Nxf3+ 12. Qxf3 Qf6 13. Ne4 Qe7 14. Rfe1 0-0 15. Bxh6 Bxh2+ 16. Kxh2 Qh4+ 17. Qh3 Qxh6 18. Qxh6 gxh6 19. Re3 f5 20. Nd6 Rf6 21. Rae1 Nf8 22. Bc4 Bd7 23. Nxb7 Kf7 24. Nc5 Rd8 25. Ra3 Bc8 26. Rxa7+ Kg6 27. c3 h5 28. f4 Kh6 29. Rc7 Ng6 30. Bxe6 Bxe6 31. Rxe6 Rxe6 32. Nxe6 Rd6 33. Ng5 1-0

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.03"]
[Round "2.1"]
[White "Rodriguez Pautt, Amir Fernando"]
[Black "Gonzalez Pereira, Jose David"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1941"]
[PlyCount "42"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Magdalena II"]
[BlackTeam "Magdalena V"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 e6 6. Bxc6 bxc6 7. 0-0 Ne7 8. d3 d5 9. e5 0-0 10. Na4 Qa5 11. c4 dxc4 12. dxc4 Rd8 13. Qc2 Nf5 14. b3 Ba6 15. Bb2 Qc7 16. Qe4 Bf8 17. g4 Nd4 18. Qe3 Rd7 19. Nxc5 Bxc5 20. Nxd4 Bxd4 21. Bxd4 c5 1-0

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.02"]
[Round "1.1"]
[White "Gonzalez Pereira, Jose David"]
[Black "Gallego, Julian Andres"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "2139"]
[PlyCount "70"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Magdalena V"]
[BlackTeam "Risaralda II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bf4 c5 3. d5 d6 4. Nc3 Bf5 5. Nf3 a6 6. a4 e5 7. dxe6 fxe6 8. Nh4 Bg4 9. h3 Bh5 10. g4 Bf7 11. Bg2 Nc6 12. e4 Be7 13. Nf3 e5 14. Be3 Nd4 15. 0-0 0-0 16. Ng5 Bc4 17. Re1 Kh8 18. Nf3 Bg8 19. Qd3 Nxg4 20. hxg4 Nxf3+ 21. Bxf3 Rxf3 22. Kg2 Qf8 23. Rh1 Rd8 24. Qe2 Rf6 25. Nd5 Bxd5 26. exd5 Qf7 27. Qd3 Qg6 28. Qxg6 Rxg6 29. Kg3 Rf8 30. Rh5 Kg8 31. Rah1 h6 32. c4 Bf6 33. f4 exf4+ 34. Bxf4 Bd4 35. Bxd6 Rxd6 0-1

