[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "9"]
[White "Castano Mejia, Juan Esteban"]
[Black "Elejalde, Daniel"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1481"]
[BlackElo "1461"]
[PlyCount "53"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Bc5 5. Nc3 0-0 6. d3 h6 7. h3 d6 8. Be3 Bb6 9. Qd2 Be6 10. Nd5 Nd4 11. Bxd4 Bxd4 12. Nxd4 exd4 13. f4 c6 14. Nxf6+ Qxf6 15. Bb3 a5 16. f5 Bxb3 17. axb3 Qe5 18. f6 Rfe8 19. fxg7 Qxg7 20. Rf4 Qe5 21. Raf1 Rf8 22. Rf6 Qg5 23. R1f4 Kh8 24. Qf2 a4 25. Rg4 Qe3 26. Qxe3 dxe3 27. Rxh6# 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "8"]
[White "Norena Marin, Jeronimo"]
[Black "Castano Mejia, Juan Esteban"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1322"]
[BlackElo "1481"]
[PlyCount "73"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 Nf6 3. e3 e6 4. Nf3 Be7 5. Bxf6 Bxf6 6. c4 b6 7. Nc3 Bb7 8. Rc1 d6 9. d5 e5 10. b4 0-0 11. c5 dxc5 12. bxc5 bxc5 13. Na4 e4 14. Nxc5 Bxd5 15. Nd4 c6 16. Qa4 Bxd4 17. Qxd4 Qa5+ 18. Rc3 Qc7 19. Bc4 Qf7 20. 0-0 Nd7 21. Bxd5 cxd5 22. Nxd7 Qxd7 23. Rc5 Rfd8 24. Rfc1 Qd6 25. Rc6 Qf8 26. R1c5 Rab8 27. g3 Kh8 28. Rxd5 Rxd5 29. Qxd5 h6 30. Qd4 Kh7 31. Rc7 a5 32. Qd5 Kg6 33. Rc6+ Kg5 34. h4+ Kg4 35. Qd1+ Kh3 36. Rg6 Qf7 37. Qf1# 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "7"]
[White "Castano Mejia, Juan Esteban"]
[Black "Medina Caicedo, Victor Manuel"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1481"]
[BlackElo "1575"]
[PlyCount "68"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Bc4 Nc6 4. d3 Nf6 5. f4 d5 6. exd5 exd5 7. Bb5 Bd7 8. Nf3 d4 9. Ne4 Qa5+ 10. Bd2 Qxb5 11. Qe2 Nxe4 12. Qxe4+ Be7 13. 0-0 0-0 14. f5 c4 15. dxc4 Qxf5 16. Qe2 Qc5 17. Kh1 Rae8 18. Qd3 Bf5 19. Qb3 b6 20. Rf2 Be6 21. Qb5 Bxc4 22. Qxc5 Bxc5 23. b3 Ba6 24. Rb1 d3 25. Rff1 dxc2 26. Rbc1 Bxf1 27. Rxf1 Re2 28. Rc1 Nd4 29. Nxd4 Bxd4 30. Bb4 Rfe8 31. h3 a5 32. Rxc2 Rxc2 33. Bxa5 bxa5 34. Kh2 Ree2 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "6"]
[White "Guzman Galeano, Erick Samir"]
[Black "Castano Mejia, Juan Esteban"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1657"]
[BlackElo "1481"]
[PlyCount "64"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. d3 Nge7 7. Re1 0-0 8. c3 b6 9. Nbd2 Bb7 10. h4 Ne5 11. Nxe5 Bxe5 12. Nc4 Bc7 13. Bh6 Re8 14. e5 Bxg2 15. Kxg2 b5 16. Nd2 Qb8 17. Bf4 Nd5 18. h5 Nxf4+ 19. gxf4 Qb7+ 20. Qf3 Qxf3+ 21. Kxf3 d5 22. a4 a6 23. axb5 axb5 24. Nb3 Bb6 25. h6 Ra4 26. d4 c4 27. Rxa4 bxa4 28. Nc5 Bxc5 29. dxc5 Ra8 30. Ra1 Kf8 31. Kg4 Ke7 32. Kg5 Ra6 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "5"]
[White "Castano Mejia, Juan Esteban"]
[Black "Ramirez Villegas, Nicolas David"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1481"]
[BlackElo "1547"]
[PlyCount "119"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. 0-0 Bg7 5. Nc3 d6 6. h3 Nf6 7. d3 0-0 8. Be3 Nd7 9. d4 Qb6 10. d5 Nd4 11. Rb1 Nxf3+ 12. Qxf3 Ne5 13. Qe2 Nxc4 14. Qxc4 a6 15. b4 Qc7 16. bxc5 Bd7 17. c6 bxc6 18. Qd3 c5 19. Ne2 Rfb8 20. c4 Qa5 21. a3 Qc7 22. f4 Ra7 23. Rxb8+ Qxb8 24. Rb1 Rb7 25. Rxb7 Qxb7 26. Bc1 Ba4 27. Kf1 Qb3 28. Qxb3 Bxb3 29. Ke1 Bxc4 30. Kd2 Kf8 31. a4 a5 32. g3 Bb3 33. Nc3 Bxc3+ 34. Kxc3 Bxa4 35. Ba3 e6 36. dxe6 fxe6 37. e5 Ke7 38. exd6+ Kxd6 39. Kc4 Kc6 40. Bxc5 Bb5+ 41. Kd4 Bf1 42. h4 h5 43. Ba3 Kb5 44. Kc3 Bh3 45. Bd6 Kc6 46. Be5 Kc5 47. Kb3 Kb5 48. Bc3 Bg2 49. Be1 a4+ 50. Kc3 Kc5 51. Bd2 Kd5 52. Kd3 a3 53. Bc3 a2 54. Bb2 Bf1+ 55. Ke3 Kc4 56. Kd2 Kb3 57. Ba1 Kc4 58. Bb2 Kd5 59. Ke3 Bc4 60. Kf3 1/2-1/2

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "4"]
[White "Pena Ramirez, Jatniel"]
[Black "Castano Mejia, Juan Esteban"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1349"]
[BlackElo "1481"]
[PlyCount "32"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. d3 Bg7 5. Nbd2 Nc6 6. 0-0 Bg4 7. h3 Bf5 8. Nh4 Qd7 9. Nxf5 gxf5 10. c4 0-0-0 11. Rb1 Rhg8 12. Nb3 dxc4 13. Nc5 Qd6 14. b4 e5 15. Qa4 Nd5 16. Qb5 Nb6 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "2"]
[White "Castano Mejia, Juan Esteban"]
[Black "Campo Jimenez, David"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1481"]
[BlackElo "1429"]
[PlyCount "65"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 Bf5 4. c4 e6 5. Bd2 Nbd7 6. Nc3 Be7 7. Be2 0-0 8. 0-0 c6 9. Nh4 Be4 10. f3 Bg6 11. Nxg6 hxg6 12. f4 Bb4 13. Rf3 c5 14. Rh3 cxd4 15. exd4 Bxc3 16. Bxc3 Ne4 17. Bb4 Re8 18. Bd3 Qb6 19. Bc3 Nxc3 20. bxc3 dxc4 21. Bxc4 Rac8 22. Bb3 Nf6 23. Qe1 Nh5 24. Qf2 Qd6 25. Rf1 Kf8 26. g4 Nf6 27. f5 Nxg4 28. Rh8+ Ke7 29. Qh4+ Nf6 30. Rxe8+ Rxe8 31. fxe6 fxe6 32. Re1 Kd7 33. Ba4+ 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "3"]
[White "Sanchez Barreto, Josue Efrain"]
[Black "Castano Mejia, Juan Esteban"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1557"]
[BlackElo "1481"]
[PlyCount "43"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 d5 6. c4 Nc6 7. Nc3 e6 8. cxd5 exd5 9. Be5 Be6 10. Bb5 Bd7 11. Nf3 Bg7 12. Bxf6 Bxf6 13. Nxd5 a6 14. Ba4 b5 15. Bb3 Na5 16. 0-0 Nxb3 17. Qxb3 Be6 18. Nxc7+ Qxc7 19. Qxe6+ Qe7 20. Qxf5 Rg8 21. Qd5 Kf8 22. Qxa8+ 1-0

