[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.02"]
[Round "8"]
[White "Casas Bernal, Juan Jose"]
[Black "Vega Cotacio, Jhon Alejandro"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1568"]
[BlackElo "1696"]
[PlyCount "47"]
[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. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. c3 Qb6 6. Qc1 Bf5 7. Nbd2 e6 8. Nh4 Bg4 9. Bd3 Be7 10. h3 Bh5 11. Nhf3 0-0 12. 0-0 Rac8 13. Ne5 cxd4 14. exd4 Nxe5 15. Bxe5 Bg6 16. Bxg6 hxg6 17. Qc2 Rc6 18. Qb3 Rfc8 19. Bh2 Bd6 20. Bxd6 Rxd6 21. Rfe1 Qc7 22. a4 Rb6 23. Qc2 Rc6 24. Qb3 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.02"]
[Round "9"]
[White "Sanchez Aragon, Michael Alejandro"]
[Black "Casas Bernal, Juan Jose"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1672"]
[BlackElo "1568"]
[PlyCount "119"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. h3 a6 7. c3 Ba7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Be6 11. Bxe6 fxe6 12. Qb3 Qc8 13. Re1 Nh5 14. Bh2 Nf4 15. Bxf4 exf4 16. e5 d5 17. c4 dxc4 18. Qxc4 Qd7 19. Nc3 0-0-0 20. Rad1 h5 21. Ne4 g4 22. Nf6 Qe7 23. hxg4 hxg4 24. Nxg4 Nd4 25. Nf6 Nxf3+ 26. gxf3 Rdg8+ 27. Kf1 Bxf2 28. Re2 Rg1+ 29. Kxf2 Rxd1 30. Qxf4 Qc5+ 31. Qe3 Qxe3+ 32. Kxe3 Rd8 33. Rd2 Rxd2 34. Kxd2 Rh8 35. Ne4 b6 36. Ke3 Rh2 37. Nf2 Kd7 38. d4 Rg2 39. Nd3 Rh2 40. f4 Rh3+ 41. Ke4 Rg3 42. Ne1 Rg1 43. Nd3 Rd1 44. a3 Rd2 45. Ke3 Rc2 46. Ke4 c5 47. d5 c4 48. dxe6+ Kxe6 49. f5+ Ke7 50. f6+ Kf7 51. Nf4 Rxb2 52. Kf5 c3 53. e6+ Kg8 54. Kg6 Kf8 55. e7+ Ke8 56. f7+ Kxe7 57. Kg7 c2 58. f8Q+ Kd7 59. Qf5+ Kc6 60. Qf6+ 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.01"]
[Round "7"]
[White "Casas Bernal, Juan Jose"]
[Black "Munoz Gutierrez, Juan Andres"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1568"]
[BlackElo "1670"]
[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 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 c5 5. c3 Nc6 6. Nbd2 cxd4 7. exd4 e6 8. Qb3 Qc8 9. Nh4 Bg6 10. Nxg6 hxg6 11. h3 a6 12. Bd3 b5 13. a3 Na5 14. Qc2 Nc4 15. a4 Qc6 16. axb5 axb5 17. 0-0 Bd6 18. Bxc4 Ke7 19. Bxd6+ Qxd6 20. Rxa8 Rxa8 21. Bd3 g5 22. Qb3 g4 23. Qb4 gxh3 24. Qxd6+ Kxd6 25. gxh3 b4 26. cxb4 Rb8 27. b5 Ne4 28. Nxe4+ dxe4 29. Bc4 f5 30. Ra1 Kd7 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.02.01"]
[Round "6"]
[White "Contreras Salcedo, Samuel Esteban"]
[Black "Casas Bernal, Juan Jose"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1482"]
[BlackElo "1568"]
[PlyCount "34"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. 0-0 0-0 6. Nc3 d6 7. d3 Bg4 8. Ne2 h6 9. Nf3 Bxf3 10. gxf3 Qd7 11. Ng3 Qh3 12. Be3 h5 13. Bg5 Nd4 14. c3 Ne6 15. Bxf6 Nf4 16. Bxf7+ Rxf7 17. Bg5 Qg2# 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.31"]
[Round "5"]
[White "Casas Bernal, Juan Jose"]
[Black "Rey Barroso, Pablo"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1568"]
[PlyCount "52"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Bf4 c6 5. Qd2 Qa5 6. 0-0-0 Nbd7 7. e5 Nh5 8. exd6 Nxf4 9. Qxf4 exd6 10. Re1+ Kd8 11. Qxf7 b5 12. Re8+ Kc7 13. Kb1 b4 14. Nd1 b3 15. axb3 Qd2 16. Nf3 Qxd1+ 17. Ka2 Qxc2 18. Be2 Qf5 19. Qc4 Qa5+ 20. Kb1 Ba6 21. Qf7 Bxe2 22. Rxa8 Bd3+ 23. Kc1 Bh6+ 24. Ng5 Bxg5+ 25. f4 Rxa8 26. fxg5 Rf8 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.31"]
[Round "4"]
[White "Sierra Isaza, Jose Eduardo"]
[Black "Casas Bernal, Juan Jose"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1687"]
[BlackElo "1568"]
[PlyCount "123"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Bc5 6. e5 d5 7. Bb5 Ne4 8. Nxd4 Bd7 9. Bxc6 bxc6 10. c3 0-0 11. Nd2 Nxd2 12. Bxd2 Bb6 13. a4 a6 14. Re1 c5 15. Nb3 Qh4 16. a5 Ba7 17. Be3 Ba4 18. g3 Qc4 19. Nd2 Bxd1 20. Nxc4 Bb3 21. Nd2 Rab8 22. Nf3 h6 23. Re2 Bc4 24. Rd2 Rb3 25. Rc2 Rfb8 26. Nd2 Bd3 27. Nxb3 Bxc2 28. Bxc5 Bxc5 29. Nxc5 Ra8 30. b4 Kf8 31. e6 Ke7 32. Re1 f6 33. Rc1 Bf5 34. c4 d4 35. f3 d3 36. Kf2 d2 37. Rd1 Rd8 38. Ke3 Bxe6 39. Nxa6 Bxc4 40. Nc5 Rd5 41. Rxd2 Rxd2 42. Kxd2 Kd6 43. a6 Bd5 44. f4 Kc6 45. Kc3 g5 46. Kd4 Bg2 47. fxg5 fxg5 48. Ke5 Kb5 49. Ne6 Kxa6 50. Nxc7+ Kb7 51. Nd5 h5 52. Nc3 h4 53. g4 Kc7 54. Kf5 h3 55. Kxg5 Kd6 56. Kh6 Ke6 57. g5 Kf7 58. g6+ Kg8 59. g7 Bf1 60. Ne4 Bc4 61. Nf6+ Kf7 62. g8Q+ 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.30"]
[Round "2"]
[White "Beltran Serna, Ian Samuel"]
[Black "Casas Bernal, Juan Jose"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "1837"]
[BlackElo "1568"]
[PlyCount "89"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Nc6 13. a3 Nxd4 14. Nxd4 exd4 15. Qxd4 Be6 16. Nc3 Qc7 17. Bf4 Rfd8 18. Red1 Qc5 19. Rac1 Rac8 20. Rd2 Qxd4 21. Rxd4 Rc4 22. Rcd1 Rxd4 23. Rxd4 d5 24. e5 Bc5 25. Rd1 Ne8 26. Bb3 d4 27. Bxe6 fxe6 28. Ne4 Be7 29. Rc1 d3 30. Rc6 Rd4 31. f3 Kf7 32. Rxa6 Nc7 33. Rc6 Nd5 34. Bd2 Rc4 35. Rxc4 bxc4 36. a4 Nb4 37. a5 h6 38. Bc3 Nd5 39. a6 Nxc3 40. bxc3 Bc5+ 41. Kf1 Ba7 42. Nd6+ Kg6 43. Nb5 d2 44. Ke2 Be3 45. a7 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2025.01.30"]
[Round "3"]
[White "Casas Bernal, Juan Jose"]
[Black "Zea Parra, Luis Estiven"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1568"]
[BlackElo "1648"]
[PlyCount "52"]
[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. Bf4 e6 3. e3 Bd6 4. Bxd6 Qxd6 5. c4 c6 6. Nf3 Nd7 7. Nc3 Ngf6 8. Bd3 0-0 9. 0-0 e5 10. dxe5 Nxe5 11. cxd5 Nxf3+ 12. Qxf3 Bg4 13. Ne4 Bxf3 14. Nxd6 Bxd5 15. Nf5 Be4 16. Bxe4 Nxe4 17. Rad1 Rfd8 18. f3 Nd2 19. Rfe1 g6 20. Nd4 Nc4 21. b3 Na3 22. Kf2 Rd7 23. Ne2 Rad8 24. Nc3 Rxd1 25. Rxd1 Rxd1 26. Nxd1 Nb5 1/2-1/2

[Event "COL-ch U14"]
[Site "Florencia Caqueta"]
[Date "2024.10.06"]
[Round "4"]
[White "Cano Alcaraz, Juan Jose"]
[Black "Casas Bernal, Juan Jose"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2092"]
[PlyCount "73"]
[EventDate "2024.10.06"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 d6 7. c3 b5 8. Bb3 0-0 9. a4 Rb8 10. Nbd2 Re8 11. Re1 Bf8 12. Nf1 h6 13. Ng3 d5 14. Qe2 d4 15. Nh4 dxc3 16. bxc3 b4 17. Qa2 Be6 18. Bxe6 Rxe6 19. Bb2 Rd6 20. Rac1 bxc3 21. Bxc3 Nd4 22. Red1 Nd7 23. Nhf5 Rdb6 24. Nxd4 exd4 25. Bxd4 Rb3 26. Be3 Ne5 27. d4 Nc6 28. d5 Ne5 29. Bd4 f6 30. Bxe5 fxe5 31. Qe2 Rb2 32. Qg4 Qf6 33. Nf5 g6 34. Rf1 Kh7 35. Ne3 Bc5 36. Rxc5 h5 37. Rxc7+ 1-0

