[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.19"]
[Round "9"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Pedrosa Rivera, Joshua"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1681"]
[BlackElo "1916"]
[PlyCount "130"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 e5 7. dxe5 Nxe5 8. Bf4 a6 9. Bxe5 Qxe5 10. 0-0 Bd6 11. Ng3 Ne7 12. Nd2 g6 13. Nf3 Qf6 14. Nd4 Bd7 15. Qf3 Qg7 16. Nge2 0-0-0 17. Rfc1 Kb8 18. b4 h5 19. Rab1 Qe5 20. g3 g5 21. Qe3 Qg7 22. b5 a5 23. Nc6+ Nxc6 24. bxc6 Bxc6 25. Qb6 Kc8 26. Bf5+ Rd7 27. Bxd7+ Kxd7 28. Nd4 Rc8 29. Nxc6 bxc6 30. Qxa5 h4 31. Qa4 f5 32. Rb7+ Rc7 33. Rxc7+ Bxc7 34. Qd4 Be5 35. Qa7+ Bc7 36. c4 Qb2 37. Qe3 f4 38. Qc3 Qxc3 39. Rxc3 d4 40. Rd3 Be5 41. gxf4 gxf4 42. Kg2 Kd6 43. Rd1 Kc5 44. Rc1 d3 45. Kf3 Bb2 46. Rd1 Kxc4 47. Ke4 Bd4 48. f3 Be3 49. Rxd3 c5 50. a3 Bg1 51. h3 Bd4 52. Rd1 Be3 53. Rb1 Kc3 54. a4 Kc2 55. Rb8 c4 56. Rc8 c3 57. a5 Kd2 58. Rd8+ Ke2 59. Rc8 Kd2 60. a6 c2 61. Kf5 c1Q 62. Rxc1 Kxc1 63. Kg4 Kd2 64. Kxh4 Kc3 65. Kg4 Kb4 1/2-1/2

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.18"]
[Round "8"]
[White "Andrade Salcedo, Jorge Mario"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1905"]
[BlackElo "1681"]
[PlyCount "39"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. d4 a6 7. Nf3 Bf5 8. 0-0 e6 9. a3 Bd6 10. b4 b5 11. Bb2 h6 12. Rc1 Rc8 13. e3 0-0 14. Nd2 Nd7 15. e4 dxe4 16. Ncxe4 Nb6 17. Nc5 Bxc5 18. dxc5 Na4 19. Ba1 a5 20. Nb3 1-0

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.18"]
[Round "7"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Cardona, Juan Ricardo"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1681"]
[BlackElo "1903"]
[PlyCount "56"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 e5 7. dxe5 Nxe5 8. Bf4 Bd6 9. Bxe5 Bxe5 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. Nd2 Ne7 13. Nf3 Bf6 14. Ned4 0-0 15. 0-0 Nc6 16. Qd3 Rfe8 17. Rfe1 Nxd4 18. Nxd4 a6 19. a3 g6 20. Rad1 Rxe1+ 21. Rxe1 Re8 22. Rxe8+ Qxe8 23. Qe2 Kf8 24. Kf1 Bg5 25. Qxe8+ Kxe8 26. b3 Bc1 27. a4 Bb2 28. Ne2 Ba3 1/2-1/2

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.17"]
[Round "6"]
[White "Santos Rios, Carlos Gabriel"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "1829"]
[BlackElo "1681"]
[PlyCount "99"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 Bf5 5. Bb2 e6 6. Be2 Nbd7 7. 0-0 Bd6 8. d4 Qe7 9. a3 0-0 10. Nh4 Bxb1 11. Qxb1 Ne4 12. Nf3 f5 13. Qc2 Ndf6 14. Ne5 Bxe5 15. dxe5 Ng4 16. h3 Nh6 17. Bd3 Qh4 18. f4 g5 19. Bxe4 fxe4 20. cxd5 cxd5 21. Bd4 g4 22. Qf2 Qxf2+ 23. Kxf2 gxh3 24. gxh3 a6 25. Rg1+ Kf7 26. Rac1 Rac8 27. Bc5 Rg8 28. b4 Rxg1 29. Rxg1 Nf5 30. Rg5 Rg8 31. Rxg8 Kxg8 32. a4 Kg7 33. Kg2 Kg6 34. a5 h5 35. Kf2 Kf7 36. Ke2 Ke8 37. Kd2 Kd7 38. Bf8 Kc6 39. Bc5 Kb5 40. Ke2 Kc4 41. Kd2 d4 42. exd4 e3+ 43. Ke2 h4 44. d5 Kxd5 45. Kd3 e2 46. Bf2 Nd4 47. Ke3 e1Q+ 48. Bxe1 Nc2+ 49. Ke2 Nxe1 50. Kxe1 0-1

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.16"]
[Round "4"]
[White "Carrion Perez, Louis E"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "1826"]
[BlackElo "1681"]
[PlyCount "31"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 Bf5 5. cxd5 cxd5 6. Qb3 Qc7 7. Nc3 e6 8. d3 Be7 9. Bf4 Qb6 10. Qxb6 axb6 11. Bxb8 Rxb8 12. Nd4 Bg4 13. h3 Bh5 14. Ndb5 Bb4 15. a3 Bxc3+ 16. bxc3 1/2-1/2

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.16"]
[Round "5"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Gutierrez, Jhon Jaime"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1681"]
[BlackElo "1850"]
[PlyCount "101"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bf4 Bd6 6. Ne2 0-0 7. 0-0 a6 8. c3 Be7 9. Nd2 Nh5 10. Qc2 h6 11. h3 Nxf4 12. Nxf4 c6 13. Nf3 Bd6 14. Ne2 Qf6 15. Ne5 Bxe5 16. dxe5 Qxe5 17. Ng3 Be6 18. f4 Qf6 19. Nh5 Qh4 20. f5 Bc8 21. Qe2 Kh8 22. Rf4 Qg5 23. h4 Qd8 24. Nxg7 Qd6 25. Rg4 Nd7 26. Nh5 Ne5 27. Rg3 Bd7 28. Qe3 Nxd3 29. Qxd3 Rg8 30. Qd4+ f6 31. Qxf6+ Qxf6 32. Rxg8+ Rxg8 33. Nxf6 Rd8 34. Nxd7 Rxd7 35. Kh2 Kg7 36. Re1 h5 37. Kh3 Kf6 38. g4 hxg4+ 39. Kxg4 Rg7+ 40. Kf4 Rg2 41. Re6+ Kf7 42. b4 Rxa2 43. Rh6 Re2 44. Rh7+ Kf6 45. Rxb7 Re4+ 46. Kf3 Rxh4 47. Ke3 Kxf5 48. Rb6 Ke5 49. Rxa6 Rc4 50. Kd3 c5 51. b5 1/2-1/2

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.15"]
[Round "3"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Diaz Larrea, Juan Manuel"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1681"]
[BlackElo "1925"]
[PlyCount "96"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Ne7 6. Re1 Ng6 7. Nc3 Bc5 8. h3 0-0 9. d3 h6 10. Be3 Bd4 11. Bxd4 exd4 12. Ne2 c5 13. Qd2 Qf6 14. Ng3 Nf4 15. e5 Nxh3+ 16. Kh1 Qf4 17. Qxf4 Nxf4 18. Ne4 b6 19. Nh4 Be6 20. g3 Nd5 21. a3 Rfe8 22. Ng2 Bg4 23. f4 Re7 24. Nf2 Bd7 25. g4 Rd8 26. Kh2 Rde8 27. Kg3 Bc6 28. Ne4 Rd7 29. Rad1 Ne7 30. Nh4 Bb5 31. Nf6+ gxf6 32. exf6 Kf8 33. fxe7+ Rdxe7 34. Nf3 Rxe1 35. Rxe1 Rxe1 36. Nxe1 Bc6 37. f5 Kg7 38. Kf4 f6 39. c3 Bd5 40. cxd4 cxd4 41. Nc2 c5 42. b4 Bc6 43. bxc5 bxc5 44. Ne1 Kf8 45. Kg3 Ke7 46. Kf4 Kd6 47. Nc2 Bd5 48. a4 Kc6 0-1

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.14"]
[Round "2"]
[White "Molina Ballesteros, Juan Sebastian"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1914"]
[BlackElo "1681"]
[PlyCount "106"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 d6 5. h3 g6 6. Nf3 Bg7 7. 0-0 0-0 8. Bf4 a6 9. a4 Bd7 10. e5 dxe5 11. Nxe5 Nxe5 12. Bxe5 Bc6 13. Qe2 e6 14. Rad1 Nd5 15. Bxg7 Kxg7 16. Qe5+ Qf6 17. Qxf6+ Kxf6 18. Ne4+ Kg7 19. Nxc5 b6 20. Nxa6 Bxa4 21. Rc1 Bc6 22. Bxd5 Bxd5 23. Ra1 Ra7 24. c4 Rfa8 25. cxd5 exd5 26. Ra4 Rxa6 27. Rb4 Rc8 28. Re1 Rc2 29. Kf1 Ra2 30. Rb1 Rc6 31. Rb5 Ra5 32. Rxa5 bxa5 33. Ke2 Kf6 34. Ke3 Rc2 35. b3 d4+ 36. Kxd4 Rxf2 37. Ra1 Rf5 38. g4 Rg5 39. Kc4 Ke6 40. d4 h5 41. Re1+ Kd6 42. Rf1 f5 43. gxh5 Rxh5 44. Rf3 Rh8 45. Rg3 Rg8 46. h4 Rc8+ 47. Kd3 Kd5 48. Rxg6 Rb8 49. Ke3 Rxb3+ 50. Kf4 Kxd4 51. Ra6 Rh3 52. Kg5 f4 53. Rxa5 f3 1/2-1/2

[Event "COL-ch U18"]
[Site "Bucaramanga"]
[Date "2025.04.06"]
[Round "6"]
[White "Perez Valero, Andres Gabriel"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1785"]
[BlackElo "1681"]
[PlyCount "118"]
[EventDate "2025.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. c4 c5 6. d5 d6 7. Nc3 0-0 8. Bd3 Nd7 9. f4 f5 10. Nge2 Qe7 11. Kd2 Re8 12. Qg1 Nf6 13. h3 Bd7 14. a4 a5 15. b3 b6 16. Qf2 h5 17. Ra2 Rac8 18. Nd1 Ne4+ 19. Bxe4 Qxe4 20. Nec3 Qe7 21. Re1 Qf6 22. h4 Re7 23. g3 Ree8 24. Kc1 Re7 25. Qd2 Ree8 26. Qd3 Qe7 27. Rae2 Qf8 28. Nb5 Bxb5 29. axb5 Ra8 30. Ra2 Qe7 31. Nf2 Qf6 32. Nd1 Qe7 33. Qc2 Qd7 34. Qd3 Qe7 35. Kd2 Ra7 36. Nf2 Qf6 37. Ke2 Qc3 38. Qxc3 Bxc3 39. Rd1 Rae7 40. Rd3 Bb4 41. Kf3 Kg7 42. Re2 Re4 43. Nd1 Ra8 44. Nb2 Rb8 45. Rg2 Rb7 46. Rd1 Kf6 47. Na4 Rb8 48. Rdg1 Rb7 49. Re2 Rb8 50. g4 hxg4+ 51. Rxg4 fxg4+ 52. Kxe4 Re8+ 53. Kd3 Rb8 54. e4 Kg7 55. e5 dxe5 56. fxe5 f6 57. e6 Kf8 58. d6 Ke8 59. Ke4 f5+ 1-0

[Event "COL-ch U18"]
[Site "Bucaramanga"]
[Date "2025.04.06"]
[Round "7"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Garcia Landinez, Yawar Alec"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1681"]
[BlackElo "1621"]
[PlyCount "105"]
[EventDate "2025.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Ne2 Bg4 7. 0-0 e6 8. f3 Bh5 9. Bg5 Be7 10. Qe1 Bg6 11. Nf4 Bxd3 12. Nxd3 0-0 13. Nd2 b5 14. Nb3 Rb8 15. Nbc5 a5 16. Qf2 b4 17. Rfb1 h6 18. Bf4 Bd6 19. Bxd6 Qxd6 20. f4 Nd7 21. Nxd7 Qxd7 22. Nc5 Qd6 23. a3 bxc3 24. bxc3 Ne7 25. g4 Rxb1+ 26. Rxb1 Rb8 27. Rxb8+ Qxb8 28. Kg2 Qb1 29. a4 Qc1 30. Qf3 Ng6 31. Kg3 Qe1+ 32. Kh3 h5 33. g5 Qh4+ 34. Kg2 Nxf4+ 35. Kg1 Qe1+ 36. Qf1 Nh3+ 37. Kg2 Qxc3 38. g6 f6 39. Nxe6 Qd2+ 40. Kxh3 Qe3+ 41. Kh4 Qxe6 42. Qh3 Qxh3+ 43. Kxh3 Kf8 44. Kh4 Ke7 45. Kxh5 f5 46. Kg5 Ke6 47. h4 f4 48. Kxf4 Kf6 49. h5 Ke6 50. Kg5 Ke7 51. h6 Kf8 52. h7 Ke7 53. h8Q 1-0

[Event "COL-ch U18"]
[Site "Bucaramanga"]
[Date "2025.04.05"]
[Round "5"]
[White "Becker Newmark, Jeronimo"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "1828"]
[BlackElo "1681"]
[PlyCount "87"]
[EventDate "2025.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 g6 6. Be3 Nf6 7. Be2 Bg7 8. 0-0 0-0 9. f4 Bd7 10. Bf3 Nxd4 11. Bxd4 Bc6 12. Qe2 a5 13. Rad1 Qc7 14. Nd5 Bxd5 15. exd5 Rfe8 16. Kh1 Nd7 17. Bxg7 Kxg7 18. Rd3 Nc5 19. Re3 e5 20. dxe6 Rxe6 21. f5 Rxe3 22. Qxe3 f6 23. fxg6 hxg6 24. Bd5 Qd7 25. Re1 Rb8 26. c3 b5 27. b4 axb4 28. cxb4 Na4 29. Qe7+ Qxe7 30. Rxe7+ Kh6 31. Re6 Nc3 32. Bb3 Rc8 33. h3 Kg5 34. Rxd6 Ra8 35. Rd2 f5 36. g3 Re8 37. Kg2 Re1 38. h4+ Kh6 39. Rc2 Ne4 40. Bd5 Kh5 41. Bxe4 Rxe4 42. a3 Re3 43. Rc7 Rxa3 44. Kh3 1/2-1/2

[Event "COL-ch U18"]
[Site "Bucaramanga"]
[Date "2025.04.05"]
[Round "4"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Quintero Marciales, Emiliano"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1681"]
[PlyCount "61"]
[EventDate "2025.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 e6 4. f4 Bd7 5. Nf3 Be7 6. Bd3 Bb4+ 7. c3 Be7 8. 0-0 Nh6 9. Ng5 Bxg5 10. fxg5 Ng8 11. Qf3 Qe7 12. Nd2 0-0-0 13. Nb3 g6 14. Nc5 Be8 15. Qe2 Nb8 16. a4 a6 17. b4 c6 18. b5 cxb5 19. axb5 Bxb5 20. Bxb5 axb5 21. Qxb5 Qc7 22. Bd2 Rf8 23. Nxe6 fxe6 24. Rxf8+ Qd8 25. Rxd8+ Kxd8 26. Qxb7 Nd7 27. Ra8+ Ke7 28. Ra7 Kf8 29. Qxd7 Ne7 30. Qxe7+ Kg8 31. Qg7# 1-0

[Event "COL-ch U18"]
[Site "Bucaramanga"]
[Date "2025.04.04"]
[Round "3"]
[White "Laguado Florez, Samuel"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "1681"]
[PlyCount "91"]
[EventDate "2025.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg3 0-0 6. Bd3 c5 7. c3 Qc7 8. Nbd2 Nbd7 9. Bxd6 Qxd6 10. 0-0 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. Nf3 Qh5 14. Nd2 Bg4 15. f3 Bf5 16. g4 Nxg4 17. fxg4 Bxg4 18. Qe1 f5 19. Qg3 Rf6 20. Rf2 Rg6 21. Kh1 Re8 22. Rg1 Qh6 23. Qf4 Qxf4 24. exf4 Re3 25. Bc2 Rge6 26. Bd1 Bxd1 27. Rxd1 Re1+ 28. Rxe1 Rxe1+ 29. Kg2 d4 30. cxd4 cxd4 31. Nf3 Re4 32. Rd2 Rxf4 33. Rxd4 Rxd4 34. Nxd4 g6 35. Kf3 Kg7 36. Kf4 Kf6 37. h4 h6 38. Nf3 Ke6 39. h5 gxh5 40. Nd4+ Kd5 41. Nxf5 Kc4 42. Ke3 b5 43. Nxh6 a5 44. Nf5 a4 45. Kd2 b4 46. Ne3+ 1/2-1/2

[Event "COL-ch U18"]
[Site "Bucaramanga"]
[Date "2025.04.03"]
[Round "1"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Lopez Rayo, Santiago"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1681"]
[BlackElo "2247"]
[PlyCount "46"]
[EventDate "2025.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Nxd4 Ngf6 6. Nc3 e6 7. Bg5 Be7 8. 0-0 a6 9. Bxd7+ Bxd7 10. Qe2 Qc7 11. Rfe1 0-0 12. h3 Rfc8 13. Rac1 b5 14. e5 dxe5 15. Qxe5 Qxe5 16. Rxe5 b4 17. Ne4 h6 18. Bxf6 gxf6 19. Rh5 f5 20. Nd2 e5 21. N4f3 e4 22. Nd4 Bg5 23. N4b3 Kg7 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.11.02"]
[Round "9"]
[White "Carreno Poveda, Noah David"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1528"]
[BlackElo "1652"]
[PlyCount "82"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Bf4 Nbd7 6. e5 dxe5 7. dxe5 Nh5 8. Bg3 0-0 9. Bc4 e6 10. Qe2 Qe7 11. 0-0-0 Nb6 12. Bb3 Bd7 13. Nd2 Bc6 14. f4 a5 15. a3 Rfd8 16. Ndb1 Rxd1+ 17. Rxd1 Rd8 18. Rxd8+ Qxd8 19. Bf2 Nxf4 20. Qg4 Bh6 21. Be3 Qg5 22. Qxg5 Bxg5 23. Bxb6 cxb6 24. g3 Nd3+ 25. Kd1 Nxe5 26. Ne2 Kf8 27. Nf4 Bxf4 28. gxf4 Nf3 29. h4 Nxh4 30. Nc3 Nf5 31. Na4 h5 32. Ke1 Nd4 33. Nxb6 Nxb3 34. cxb3 Ke7 35. Nc4 Kf6 36. Nxa5 Be4 37. Nxb7 Bxb7 38. b4 Ke7 39. Ke2 Kd6 40. b3 Kd5 41. Ke1 Bc8 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.11.02"]
[Round "8"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Sanabria Calderon, Santiago"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1652"]
[BlackElo "1611"]
[PlyCount "62"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 Nf6 7. a3 Be7 8. Be3 0-0 9. Be2 b6 10. Rc1 Bb7 11. f3 d6 12. b4 Nbd7 13. 0-0 Rac8 14. Qb3 Ne5 15. Na4 Nfd7 16. Nb2 Rfd8 17. f4 Nc6 18. Bf3 Nxd4 19. Bxd4 Bf6 20. Bxf6 Nxf6 21. Qe3 Bc6 22. g4 Qb7 23. Rce1 d5 24. cxd5 exd5 25. e5 d4 26. Bxc6 Qxc6 27. Qg3 Ne4 28. Qd3 Nc3 29. Rc1 Qe6 30. h3 h5 31. Qg3 Ne2+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.11.01"]
[Round "7"]
[White "Remolina Garcia, Mayra Xiomara"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1723"]
[BlackElo "1652"]
[PlyCount "55"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 Bd6 5. Bg3 c5 6. c3 Qc7 7. Ngf3 Nbd7 8. Bb5 0-0 9. Bxd7 Nxd7 10. e4 c4 11. Bh4 Re8 12. 0-0 Nb6 13. Re1 Bd7 14. Qc2 e5 15. dxe5 Bxe5 16. exd5 Nxd5 17. Nxe5 Rxe5 18. Rxe5 Qxe5 19. Bg3 Qe2 20. Qd1 Re8 21. Qxe2 Rxe2 22. Nxc4 b5 23. Kf1 Rc2 24. Rd1 Nf6 25. Ne5 Be8 26. Rd8 Kf8 27. Nd3 Ne4 28. Ke1 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.11.01"]
[Round "6"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Heredia Serrano, Carla Sofia"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1652"]
[BlackElo "2097"]
[PlyCount "62"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. 0-0 e6 8. Qe1 Bxe2 9. Qxe2 Nf6 10. Bg5 Bd6 11. g3 h6 12. Bxf6 gxf6 13. Qh5 0-0-0 14. Nd2 Rdg8 15. c4 Rg5 16. Qh3 dxc4 17. Ne4 cxd3 18. Nxg5 fxg5 19. d5 Nd4 20. Qg4 Ne2+ 21. Kh1 Kb8 22. Qe4 Qc2 23. dxe6 fxe6 24. Rad1 Rc8 25. Rfe1 d2 26. Qxe2 dxe1Q+ 27. Qxe1 Qc6+ 28. Kg1 Bc5 29. Qe5+ Ka8 30. Qf6 a6 31. Qxh6 Bxf2+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.10.31"]
[Round "5"]
[White "Carreno Poveda, Esteban David"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1504"]
[BlackElo "1652"]
[PlyCount "78"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. c3 Nf6 7. Bd3 0-0 8. Qe2 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. 0-0 Nxe3 12. Qxe3 Qb6 13. Qxb6 axb6 14. Re1 e6 15. Be4 Bb7 16. Na3 Rxa3 17. bxa3 Bxc3 18. Rac1 Bxe1 19. Rxe1 Rd8 20. Kf1 Ba6+ 21. Kg1 c5 22. g3 Rd2 23. Rb1 Rd6 24. a4 Bc4 25. a3 Bd5 26. Bc2 c4 27. h4 f5 28. f4 Kf7 29. Rd1 Ke7 30. Re1 Kd7 31. Kf2 Kc6 32. Re5 b5 33. Ke3 Kc5 34. Bd1 bxa4 35. Bxa4 Ra6 36. Bd7 Rxa3+ 37. Kf2 Kd6 38. Bb5 Rf3+ 39. Ke2 Rxg3 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.10.31"]
[Round "4"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Estrada Velandia, Henry Andres"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1652"]
[BlackElo "1958"]
[PlyCount "66"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Ne7 6. Bf4 0-0 7. 0-0 f5 8. Nd2 Ng6 9. Bxd6 Qxd6 10. f4 Nd7 11. Qc1 c5 12. c3 c4 13. Bc2 Qe6 14. Ng3 Nh4 15. Nf3 Nxf3+ 16. Rxf3 g6 17. Qe3 Qc6 18. Qe7 Nf6 19. Qb4 a5 20. Qa4 b5 21. Qa3 Bd7 22. Re1 Ne4 23. Bxe4 fxe4 24. Rf2 Rf7 25. Ne2 Bg4 26. g3 Qb6 27. b3 Raf8 28. Qc1 Kh8 29. Ref1 Bh3 30. Re1 g5 31. Kh1 Bg4 32. Ref1 Bf3+ 33. Kg1 gxf4 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.10.30"]
[Round "3"]
[White "Sequeda Ramirez, Pablo"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1991"]
[BlackElo "1652"]
[PlyCount "135"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. Nc3 c6 4. e4 d6 5. Be2 Nf6 6. 0-0 0-0 7. d4 e5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. h3 Be6 11. Be3 Nbd7 12. Ng5 Nf8 13. Rfd1 h6 14. Nf3 Nh5 15. Rxd8 Rxd8 16. Bxa7 Nf4 17. Bf1 f5 18. Bb6 Rd7 19. Be3 Nd3 20. b3 Nb4 21. Bc5 Nc2 22. Rc1 Nd4 23. Ne1 f4 24. Bxd4 Rxd4 25. Nf3 Rd8 26. Rd1 Rxd1 27. Nxd1 Nd7 28. Bd3 Kf7 29. Bc2 Bf8 30. Nb2 Kf6 31. Nd3 g5 32. Nfe1 Nc5 33. f3 h5 34. Kf2 g4 35. hxg4 hxg4 36. Bd1 g3+ 37. Ke2 Bc8 38. Nxc5 Bxc5 39. Bc2 Ke7 40. Bd3 Kd6 41. Kd1 Bf2 42. Nc2 c5 43. Kd2 Bd7 44. Bf1 b6 45. Kc3 Kc6 46. b4 Kd6 47. b5 Kc7 48. a4 Bc8 49. Kd3 Be6 50. Kd2 Bd4 51. Na3 Bb2 52. Nb1 Bd4 53. Kc2 Bf2 54. Nc3 Be1 55. Nd5+ Bxd5 56. exd5 Kd6 57. Kd3 Ba5 58. Ke4 Bb4 59. Kf5 Bc3 60. Bd3 Bb4 61. Be4 Ba5 62. Kf6 Bc3 63. Kf7 Bb4 64. Ke8 Bc3 65. Kd8 Bb4 66. Kc8 Bc3 67. Kb7 Ba5 68. Bf5 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.10.30"]
[Round "2"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Munoz, Alvaro E"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1652"]
[BlackElo "1825"]
[PlyCount "75"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Bc4 d6 4. Nf3 Nd7 5. Be3 c5 6. c3 Nb6 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Na3 Rc8 10. d5 Ngf6 11. Nd2 Ne5 12. 0-0 0-0 13. f3 a6 14. Nac4 Ned7 15. Bf2 b5 16. Ne3 Ne5 17. c4 Nh5 18. Qc2 Nf4 19. Bg3 Ne2+ 20. Kh1 Nxg3+ 21. hxg3 e6 22. f4 Nd7 23. Nf3 e5 24. f5 Nf6 25. g4 h5 26. g5 Ng4 27. Qe2 f6 28. fxg6 Nxe3 29. Qxe3 f5 30. exf5 Rxf5 31. cxb5 axb5 32. Qd3 Qd7 33. a4 bxa4 34. Rxa4 Rxf3 35. Qxf3 Rf8 36. Ra8 Rxa8 37. Qxh5 Bh8 38. Rf7 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.10.29"]
[Round "1"]
[White "Osorio Colmenares, Miguel Angel"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1553"]
[BlackElo "1652"]
[PlyCount "73"]
[EventDate "2024.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. c4 c6 7. Qb3 Qb6 8. Nbd2 Nbd7 9. c5 Qc7 10. Re1 Be7 11. Nf1 Bh7 12. Bf4 Qc8 13. h4 Nh5 14. Bd2 0-0 15. N1h2 f5 16. Rac1 Ndf6 17. Ne5 Ne4 18. Bc3 Qc7 19. Qa4 a5 20. Bf3 Nhf6 21. Bg2 f4 22. Nf1 fxg3 23. Nxg3 Nxf2 24. Bd2 N6e4 25. Rf1 Nxg3 26. Rxf2 Rxf2 27. Kxf2 Bxh4 28. Nf3 Ne4+ 29. Kg1 Bf2+ 30. Kf1 Nxd2+ 31. Kxf2 Nxf3 32. Bxf3 Qh2+ 33. Ke1 Qg3+ 34. Kd2 Qf4+ 35. Ke1 Qg3+ 36. Kd2 Qf4+ 37. Ke1 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.11"]
[Round "9"]
[White "Paniagua, Fabio de Jesus"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1704"]
[BlackElo "1638"]
[PlyCount "50"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 d5 8. e5 Ne4 9. h3 c4 10. Nbd2 Nxd2 11. Qxd2 Bf5 12. Ba4 Qc7 13. Bc2 Bxc2 14. Qxc2 b5 15. Bf4 e6 16. b3 f5 17. bxc4 bxc4 18. Rab1 Rab8 19. Qa4 h6 20. h4 Rfc8 21. Kf1 Kf7 22. Nd2 Bf8 23. Ke2 Rxb1 24. Rxb1 Rb8 25. Rxb8 Nxb8 1/2-1/2

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "7"]
[White "Romero Ospina, Juan Miguel"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B76"]
[BlackElo "1638"]
[PlyCount "100"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 g6 6. f3 Bg7 7. Be3 Nf6 8. Qd2 Bd7 9. 0-0-0 0-0 10. Bh6 Nxd4 11. Bxg7 Nxf3 12. gxf3 Kxg7 13. e5 dxe5 14. Qg5 Qc7 15. h4 h6 16. Qg2 Bc6 17. Bd3 Nh5 18. Rhg1 Nf4 19. Qg4 Nxd3+ 20. Rxd3 Qc8 21. Qg3 Qf5 22. Nd5 Bxd5 23. Rxd5 Rac8 24. Qxe5+ Qxe5 25. Rxe5 e6 26. h5 Kf6 27. Re2 Rc5 28. hxg6 fxg6 29. Rge1 e5 30. a3 a5 31. c3 Rfc8 32. Kc2 Kf5 33. Re3 h5 34. b4 axb4 35. axb4 Rb5 36. Kb3 Re8 37. Kc4 Rb6 38. Kd5 Rbe6 39. c4 b6 40. c5 b5 41. c6 Rd8+ 42. Kc5 Rc8 43. Kd5 Rcxc6 44. Rxe5+ Rxe5+ 45. Rxe5+ Kf6 46. Re8 Rb6 47. Kc5 Rb7 48. Kc6 Re7 49. Kxb5 Rxe8 50. Kc6 h4 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "6"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Acevedo Hernandez, Fausto"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1638"]
[BlackElo "1755"]
[PlyCount "76"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. Bg5 d4 8. Ne2 Qa5+ 9. Bd2 Qb6 10. Nfg3 Qxb2 11. Qc1 Qb6 12. f4 Ng4 13. h3 exf4 14. Nxf4 Ne3 15. Bxe3 dxe3 16. Nd5 Qa5+ 17. c3 Bc5 18. Nf5 Bxf5 19. exf5 Qd8 20. Bc4 0-0 21. Ke2 b5 22. Bb3 Nc6 23. Rf1 a5 24. a3 b4 25. axb4 axb4 26. Rxa8 Qxa8 27. Rd1 Qa6+ 28. Ke1 Ne5 29. Qc2 Qh6 30. cxb4 Bxb4+ 31. Nxb4 Qh4+ 32. Kf1 Qxb4 33. Rd5 Qf4+ 34. Ke1 Re8 35. Ba4 Ra8 36. Bb3 Ra1+ 37. Rd1 Rxd1+ 38. Qxd1 Qf2# 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.09"]
[Round "5"]
[White "Zuniga, Eddy Andres"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1915"]
[BlackElo "1638"]
[PlyCount "56"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Ne5 c5 6. c3 Qc7 7. Nd2 Nc6 8. Ndf3 Nd7 9. Bb5 0-0 10. Bxc6 bxc6 11. Qa4 Bb7 12. Nxd7 Qxd7 13. dxc5 Bxc5 14. Ne5 Qe8 15. Nd3 Bb6 16. Bd6 c5 17. Qa3 Qb5 18. Bxf8 Qxd3 19. Rd1 Qe4 20. Bd6 d4 21. Rg1 dxe3 22. f3 Qc2 23. Bg3 c4 24. Qd6 e2 25. Rd2 Qc1+ 26. Kxe2 Qxg1 27. Qe7 Qxg2+ 28. Kd1 Bxf3+ 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "3"]
[White "Bermudez, Edilson Enrique"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1818"]
[BlackElo "1638"]
[PlyCount "32"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 h6 6. Bf4 g5 7. Bg3 Ne4 8. Nf3 Ndf6 9. Be5 Bg7 10. Bd3 Bf5 11. cxd5 cxd5 12. Bb5+ Bd7 13. Qa4 Nxc3 14. bxc3 Bxb5 15. Qxb5+ Qd7 16. Rb1 b6 1/2-1/2

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "2"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Giraldo, Marco"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1638"]
[BlackElo "1855"]
[PlyCount "89"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd2 Bxc3 8. Bxc3 Nxe4 9. Qg4 Nxc3 10. bxc3 0-0 11. Bd3 Nc6 12. Nf3 Qf6 13. 0-0 d6 14. Ng5 g6 15. f4 Qxc3 16. Qh4 Qg7 17. Rad1 f6 18. Ne4 d5 19. cxd5 exd5 20. Nc3 d4 21. Bc4+ Kh8 22. Nd5 Be6 23. Rfe1 Bxd5 24. Bxd5 Rad8 25. Bxc6 bxc6 26. f5 g5 27. Qe4 c5 28. Qc6 Qd7 29. Qxc5 Qd5 30. Qxd5 Rxd5 31. Re6 a5 32. g4 Kg7 33. Kf2 Rf7 34. Re8 Rc7 35. Rde1 Rc2+ 36. Kf3 Rc3+ 37. Kf2 Rd7 38. R8e2 Kf7 39. Rd1 Rc5 40. Kf3 d3 41. Red2 Rcd5 42. Ke3 Re5+ 43. Kf3 Red5 44. Ke3 Re5+ 45. Kf3 1/2-1/2

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.07"]
[Round "1"]
[White "Samboni, Luisa Fernanda"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1638"]
[PlyCount "82"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 Bf5 4. Nf3 e6 5. 0-0 Bd6 6. b3 0-0 7. c4 c6 8. c5 Bc7 9. Nc3 Nbd7 10. Bf4 Ne4 11. Bxc7 Qxc7 12. Nxe4 Bxe4 13. Nd2 Bxg2 14. Kxg2 e5 15. e3 e4 16. b4 f5 17. f3 Nf6 18. f4 Ng4 19. Qe2 Qd7 20. h3 Nh6 21. a4 Rf6 22. Kh2 Nf7 23. g4 g5 24. Rg1 fxg4 25. Qxg4 Qxg4 26. Rxg4 h6 27. Rag1 Rf5 28. h4 Kh7 29. hxg5 hxg5 30. fxg5 Rf2+ 31. R1g2 Rxg2+ 32. Rxg2 Kg6 33. Nf1 Nxg5 34. b5 Kf6 35. Rf2+ Nf3+ 36. Kg2 Rg8+ 37. Ng3 Kg5 38. Kf1 Kh4 39. Nf5+ Kh3 40. Nd6 Rg1+ 41. Ke2 Re1# 0-1

[Event "COL-ch U14"]
[Site "Barranquilla"]
[Date "2024.04.14"]
[Round "7"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Cruz Zapata, Gabriel"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1650"]
[BlackElo "1473"]
[PlyCount "78"]
[EventDate "2024.04.11"]
[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 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. Nc3 Nf6 6. Qe2 g6 7. e5 dxe5 8. Qxe5 Qd6 9. Qxd6 exd6 10. d4 Nc6 11. dxc5 dxc5 12. Bg5 Bg7 13. 0-0-0 0-0 14. h4 Ng4 15. Rd2 f6 16. Bf4 Rfd8 17. Bg3 Bh6 18. Ne4 Bxd2+ 19. Nfxd2 Nd4 20. Re1 Re8 21. f3 f5 22. fxg4 fxe4 23. Nxe4 Re6 24. g5 Kg7 25. Nxc5 Rxe1+ 26. Bxe1 b6 27. c3 bxc5 28. cxd4 cxd4 29. Bf2 Kf7 30. Bxd4 Ke6 31. Kd2 a6 32. b4 Rf8 33. g3 Rf3 34. a4 Rxg3 35. b5 Rg4 36. Kc3 Kd5 37. b6 Kc6 38. Bf2 Rxa4 39. Kb3 Rf4 0-1

[Event "COL-ch U14"]
[Site "Barranquilla"]
[Date "2024.04.14"]
[Round "6"]
[White "Vargas Sanchez, Daniel Jose"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1610"]
[BlackElo "1650"]
[PlyCount "145"]
[EventDate "2024.04.11"]
[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. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Nf6 6. 0-0 0-0 7. Nc3 Bg4 8. h3 Bh5 9. Bg5 Nbd7 10. Nxd5 h6 11. Nxf6+ Nxf6 12. Bh4 g5 13. Bg3 Bxg3 14. fxg3 Bxf3 15. Qxf3 Qxd4+ 16. Kh1 Kg7 17. Rf2 g4 18. Qf4 Qxf4 19. Rxf4 gxh3 20. gxh3 Rad8 21. Raf1 Rd6 22. g4 Nd5 23. R4f3 Rf6 24. Be4 Rxf3 25. Rxf3 c6 26. Bxd5 cxd5 27. Rb3 b6 28. Ra3 Rc8 29. c3 a5 30. Rb3 Rc6 31. Rb5 Rd6 32. Kg2 Kf6 33. Kf3 Ke5 34. Ke3 Rc6 35. Kd3 Kf4 36. Rxd5 Kg3 37. Rh5 Rd6+ 38. Kc2 Rf6 39. b4 axb4 40. cxb4 Rf2+ 41. Kb1 Rh2 42. Rxh6 Rxh3 43. Rf6 Rh7 44. g5 Rg7 45. a4 Kg4 46. Rxb6 Rxg5 47. a5 f5 48. a6 Rg8 49. Kc2 f4 50. a7 Ra8 51. Rg6+ Kf5 52. Rg7 f3 53. Kd3 Re8 54. Re7 f2 55. Rf7+ Ke6 56. Rxf2 Ra8 57. Ra2 Kd6 58. Kc4 Kc6 59. b5+ Kb6 60. Ra6+ Kb7 61. Kc5 Rc8+ 62. Kd6 Rd8+ 63. Ke7 Rh8 64. Ra2 Rh7+ 65. Kd6 Rh6+ 66. Kc5 Rh5+ 67. Kb4 Rh4+ 68. Ka5 Kxa7 69. Re2 Rh7 70. Re6 Rd7 71. Kb4 Kb7 72. Kc5 Rc7+ 73. Kb4 1/2-1/2

[Event "COL-ch U14"]
[Site "Barranquilla"]
[Date "2024.04.13"]
[Round "4"]
[White "Silva Alvarez, Matias"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1577"]
[BlackElo "1650"]
[PlyCount "136"]
[EventDate "2024.04.11"]
[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. c3 d5 4. exd5 Qxd5 5. h3 e5 6. Bb5 a6 7. Bxc6+ Qxc6 8. 0-0 Bd6 9. Re1 Ne7 10. Nxe5 Bxe5 11. Rxe5 Be6 12. Qh5 b6 13. d4 cxd4 14. Bg5 Ng6 15. Re1 0-0 16. cxd4 Qd5 17. Nc3 Qxd4 18. Qf3 Qc5 19. Ne4 Qf5 20. Qxf5 Bxf5 21. Ng3 Be6 22. a3 h6 23. Be3 b5 24. Bb6 Rab8 25. Ba5 Ne7 26. Rac1 Rfc8 27. Ne4 Rxc1 28. Rxc1 Nf5 29. Nc5 Nd4 30. Kf1 Bc4+ 31. Ke1 Re8+ 32. Kd2 Nb3+ 33. Nxb3 Bxb3 34. Rc6 Bc4 35. Kc3 Ra8 36. g3 Bd5 37. Rd6 Be6 38. h4 Kf8 39. Kd4 Ke7 40. Bb4 Ke8 41. Kc5 a5 42. Bc3 g6 43. Kxb5 a4 44. Bf6 Bd7+ 45. Kb4 Rb8+ 46. Ka5 Rb3 47. Rxd7 Kxd7 48. Kxa4 Rb8 49. b4 Kc6 50. Bd4 Ra8+ 51. Kb3 Kb5 52. Bg7 h5 53. Bf6 Ra6 54. Bd4 f6 55. f3 g5 56. hxg5 fxg5 57. f4 gxf4 58. gxf4 h4 59. f5 h3 60. Be5 Rf6 61. a4+ Kc6 62. b5+ Kb7 63. Bxf6 h2 64. Be7 h1Q 65. f6 Qd5+ 66. Kb4 Qd4+ 67. Kb3 Kc7 68. a5 Qd3+ 0-1

[Event "COL-ch U14"]
[Site "Barranquilla"]
[Date "2024.04.13"]
[Round "5"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Castellanos Acero, Simon"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1650"]
[BlackElo "1552"]
[PlyCount "48"]
[EventDate "2024.04.11"]
[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. d4 d5 3. Nc3 c5 4. exd5 exd5 5. dxc5 Nf6 6. Bg5 Bxc5 7. Nxd5 Qxd5 8. Bxf6 Qe6+ 9. Be2 Qxf6 10. Nf3 Qxb2 11. 0-0 0-0 12. Bd3 Qf6 13. Qe2 Bf5 14. Rab1 Bb6 15. Rfe1 Bxd3 16. cxd3 Nc6 17. Qc2 Nd4 18. Nxd4 Qxd4 19. Re4 Qf6 20. Qe2 Rad8 21. Re7 Rxd3 22. Rxb7 Rfd8 23. Re1 h6 24. g3 Rd2 0-1

[Event "COL-ch U14"]
[Site "Barranquilla"]
[Date "2024.04.12"]
[Round "2"]
[White "Rueda Rojas, Richard Alejandro"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1957"]
[BlackElo "1650"]
[PlyCount "67"]
[EventDate "2024.04.11"]
[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 e6 3. g3 d5 4. Bg2 Bd6 5. 0-0 0-0 6. b3 c5 7. cxd5 exd5 8. d4 Bf5 9. Nc3 h6 10. Bb2 Nc6 11. Nb5 cxd4 12. Nxd6 Qxd6 13. Nxd4 Nxd4 14. Qxd4 Be6 15. Rac1 Rfd8 16. Rfd1 Qd7 17. Qf4 Qe7 18. Rc7 Rd7 19. Bxf6 Qxf6 20. Qxf6 gxf6 21. Rxd7 Bxd7 22. Bxd5 Bc6 23. Bxc6 bxc6 24. Rd6 Re8 25. Kf1 Re6 26. Rxe6 fxe6 27. e4 Kf7 28. Ke2 f5 29. e5 Ke7 30. Kd3 Kd7 31. Kd4 h5 32. Kc5 Kc7 33. h3 a6 34. f3 1-0

[Event "COL-ch U14"]
[Site "Barranquilla"]
[Date "2024.04.12"]
[Round "3"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Marquez, Alex Jose"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1650"]
[BlackElo "1468"]
[PlyCount "137"]
[EventDate "2024.04.11"]
[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. c3 Nf6 5. d3 h6 6. a4 a5 7. h3 d6 8. Qe2 0-0 9. g4 d5 10. exd5 Nxd5 11. Be3 Nf4 12. Bxf4 exf4 13. 0-0 Re8 14. Qd2 Qf6 15. d4 Bd6 16. Na3 h5 17. Nh2 hxg4 18. Nxg4 Bxg4 19. hxg4 Qh4 20. f3 Re3 21. Nc2 Ree8 22. Qf2 Qg3+ 23. Qg2 g5 24. Na3 Na7 25. Bd3 Re3 26. Rad1 Re6 27. Nc4 Qh4 28. Nxd6 cxd6 29. Be4 Rb8 30. Qh2 Qxh2+ 31. Kxh2 Rh6+ 32. Kg2 b5 33. axb5 Rxb5 34. Rd2 Nc8 35. c4 Rb4 36. c5 Ne7 37. d5 Rc4 38. c6 Kg7 39. Rff2 Rh8 40. Rc2 Rb4 41. Rfd2 Rf8 42. Re2 Kf6 43. Kf2 Rb5 44. Red2 Kg7 45. Rc3 Rc8 46. b3 Rc7 47. Rdd3 Kf6 48. Rc1 Ng6 49. Bxg6 Kxg6 50. Re1 Rb8 51. Ra1 Rb5 52. Re1 Rb8 53. Ke2 a4 54. bxa4 Rb2+ 55. Rd2 Re7+ 56. Kf1 Rxd2 57. Rxe7 Rxd5 58. c7 Rc5 59. a5 Kf6 60. a6 Rc1+ 61. Ke2 Kxe7 62. a7 Rc2+ 63. Kd3 Rxc7 64. a8Q f6 65. Qe4+ Kd8 66. Qe6 f5 67. Qxf5 Re7 68. Qxg5 Kc7 69. Qxe7+ 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "8"]
[White "Lopez Giraldo, Maria Camila"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1724"]
[BlackElo "1307"]
[PlyCount "55"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. Bc4 d6 5. d3 Bd7 6. Nge2 Nf6 7. 0-0 e6 8. f4 Be7 9. Bb3 Qb6 10. Kh1 0-0 11. Ng3 Nd4 12. Ba2 h6 13. Nce2 Nxe2 14. Qxe2 Bxa4 15. Bxe6 fxe6 16. Rxa4 Rae8 17. f5 exf5 18. Nxf5 Kh7 19. b3 Qc6 20. Bb2 b5 21. Raa1 Bd8 22. Qd2 b4 23. Rf3 a5 24. Raf1 Be7 25. Nxh6 gxh6 26. Bxf6 Bxf6 27. Rxf6 Rxf6 28. Rxf6 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "3"]
[White "Rodriguez, Gabriel"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1986"]
[BlackElo "1307"]
[PlyCount "57"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. Nc3 Bb4 7. 0-0 Nbd7 8. Qb3 Bxc3 9. bxc3 Qc8 10. Ba3 Qc7 11. Nh4 Bg6 12. Nxg6 hxg6 13. Rab1 0-0-0 14. cxd5 exd5 15. c4 dxc4 16. Qxc4 Nb6 17. Qc5 Nfd7 18. Qc3 Nf6 19. e4 Na4 20. Qb4 Nb6 21. Rfc1 Kb8 22. Qb2 Qd7 23. e5 Nfd5 24. Bd6+ Ka8 25. a4 Nc8 26. Bc5 Ncb6 27. a5 Nc8 28. Qb3 Nce7 29. Rc2 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "10"]
[White "Rueda Rojas, Richard Alejandro"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1876"]
[BlackElo "1307"]
[PlyCount "49"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Nf3 Nf6 5. Nc3 e6 6. Bb5 Bd7 7. 0-0 Be7 8. d4 cxd4 9. Nxd4 Nxd4 10. Bxd7+ Qxd7 11. Qxd4 0-0 12. Rad1 e5 13. Qd3 Qc6 14. Rfe1 Rfd8 15. Re2 Rd7 16. Nd5 Nxd5 17. exd5 Qc7 18. c4 Bf6 19. f4 Re8 20. fxe5 Bxe5 21. Bxe5 Rxe5 22. Rxe5 dxe5 23. Qf5 f6 24. Qe6+ Kf8 25. d6 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "1"]
[White "Ruiz Aguilar, Pablo Alexander"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2162"]
[BlackElo "1307"]
[PlyCount "62"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e6 7. a3 Be7 8. Be2 d6 9. 0-0 0-0 10. Kh1 Bd7 11. Nb3 Re8 12. f4 Bf8 13. Qd2 Qe7 14. Rad1 Red8 15. Bb6 Rdc8 16. Bf3 a5 17. g4 a4 18. Nc1 Ra6 19. Bg1 Ne8 20. g5 g6 21. Nd3 Bg7 22. Bg2 e5 23. Nd5 Qd8 24. c4 Nd4 25. N3b4 Raa8 26. Qd3 Bc6 27. h4 Nc7 28. Nb6 Rab8 29. Nxc8 Qxc8 30. Bh3 Qd8 31. Nd5 Nxd5 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "6"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Becerra, Carlos J"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1307"]
[BlackElo "1508"]
[PlyCount "150"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. Be2 Qd7 9. Nc3 0-0-0 10. Be3 e6 11. Qd3 Bxf3 12. Bxf3 Nxd4 13. 0-0-0 Nxf3 14. Qxd7+ Rxd7 15. Rxd7 Nxd7 16. gxf3 Nxe5 17. b3 Nxf3 18. Rf1 Ne5 19. Nb5 a6 20. Nc3 Ba3+ 21. Kc2 f6 22. Rg1 g6 23. Bh6 Bf8 24. Bf4 Bg7 25. Bxe5 fxe5 26. Re1 Rf8 27. Ne4 Re8 28. Nf2 Rf8 29. Ng4 Rf5 30. Kc1 Kd7 31. Ne3 Rf2 32. Ng4 Rxa2 33. Nxe5+ Bxe5 34. Rxe5 Rxh2 35. Kd1 h5 36. Rg5 h4 37. Rxg6 h3 38. Rh6 Kd6 39. Ke1 Ke5 40. Kf1 Rh1+ 41. Kf2 h2 42. Kg2 Rb1 43. Kxh2 Rxb3 44. Rh5+ Kd4 45. Rh6 Ke5 46. Rh5+ Kd6 47. Kg2 b6 48. Kf2 a5 49. Ke2 Rc3 50. Rh4 a4 51. Kd2 Rg3 52. c5+ Kxc5 53. Rxa4 b5 54. Re4 Kd5 55. Rb4 Kc6 56. Re4 Kd6 57. Rb4 c6 58. Rb1 Kd5 59. Rd1 e5 60. Ke2+ Ke6 61. Rc1 Kd6 62. Rd1+ Kc5 63. Rc1+ Kb6 64. Kf2 Ra3 65. Re1 b4 66. Rxe5 c5 67. Ke2 Rc3 68. Kd2 Kb5 69. Re8 c4 70. Rb8+ Ka4 71. Ra8+ Kb3 72. Ra1 Rc2+ 73. Kd1 Rh2 74. Rb1+ Kc3 75. Rc1+ Kd3 0-1

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.05"]
[Round "10"]
[White "Cordero Gonzalez, Victor William"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1559"]
[BlackElo "1307"]
[PlyCount "110"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Na3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. h4 Nf6 6. d3 g6 7. Ne2 Bg7 8. c3 Bd7 9. Nf4 e5 10. Nh3 0-0 11. Nc4 Qe7 12. Ne3 Be6 13. Ng5 h6 14. Nxe6 Qxe6 15. Qb3 d5 16. f3 Rfb8 17. Qc2 d4 18. Nc4 Nd7 19. Bd2 Nb6 20. Nxb6 axb6 21. c4 Qd6 22. Kf2 Rf8 23. a3 Qe7 24. Qc1 Kh7 25. g3 f5 26. b4 fxe4 27. dxe4 Qf6 28. Qd1 cxb4 29. Bxb4 c5 30. Bd2 Qf7 31. Qe2 Ra4 32. Rhb1 Rb8 33. Rc1 Rba8 34. Qd3 Qd7 35. g4 Rf8 36. Kg3 Rfa8 37. Rcb1 Qa7 38. Rb3 Qa6 39. Rb5 Rxa3 40. Rxa3 Qxa3 41. Qxa3 Rxa3 42. Rxb6 Ra4 43. h5 g5 44. Rg6 Rxc4 45. Ba5 Ra4 46. Bb6 c4 47. Rc6 c3 48. Rc7 Ra6 49. Bc5 c2 50. Bf8 c1Q 51. Rxc1 Bxf8 52. Kf2 Ra2+ 53. Ke1 Bb4+ 54. Kf1 d3 55. Rc7+ Kg8 0-1

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.05"]
[Round "9"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Sanchez Medina, Elias"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1307"]
[PlyCount "110"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 e6 6. a3 Nc6 7. Bd2 Qb6 8. Be3 Qxb2 9. Na4 Bb4+ 10. Ke2 Ne4 11. Nxb2 Nc3+ 12. Kd2 Nxd1+ 13. Kxd1 Bd6 14. Bd3 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Rb1 Be6 18. Nc4 Bf6 19. Ke2 0-0 20. Rhe1 Rfe8 21. Kf1 Rad8 22. Rxb7 Bc3 23. Reb1 Bd4 24. Bxd4 Rxd4 25. Rb8 Kf8 26. Rxe8+ Kxe8 27. Ne3 Ba2 28. Rb8+ Kd7 29. Bb5+ Ke6 30. Re8+ Kf6 31. h3 h5 32. g4 g6 33. gxh5 gxh5 34. Rh8 Kg5 35. Rg8+ Kf4 36. Ng2+ Kf3 37. Be2+ Ke4 38. Re8+ Kf5 39. Bxh5 Rd2 40. Ne3+ Kf6 41. Ra8 Kg5 42. Bg4 Rd6 43. Rxa7 Rc6 44. Ra5+ Kf6 45. h4 Bc4+ 46. Nxc4 Rxc4 47. Bd1 Rxh4 48. Ra6+ Kf5 49. a4 Ke4 50. a5 Rh1+ 51. Ke2 c5 52. Ra8 c4 53. a6 c3 54. a7 f5 55. Re8+ Kd5 1-0

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.04"]
[Round "7"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Santagada, Hector Ricardo"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1307"]
[BlackElo "1775"]
[PlyCount "46"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 d6 7. 0-0 Nf6 8. e5 dxe5 9. Qxd8+ Kxd8 10. Rd1+ Bd7 11. Bg5 a6 12. Bxf6+ gxf6 13. Rd2 Kc7 14. Rad1 Nd4 15. Nxd4 exd4 16. Rxd4 Bc6 17. Ne4 e5 18. R4d3 Bxe4 19. Rd7+ Kb6 20. Rxf7 Bc5 21. Rxf6+ Ka7 22. b4 Bxb4 23. Bxa6 Rhd8 0-1

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.03"]
[Round "6"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Arango, Santiago"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1307"]
[BlackElo "2006"]
[PlyCount "84"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c4 cxd4 5. exd4 d5 6. cxd5 Nxd5 7. Nc3 Bb4 8. Bd2 Nxc3 9. Bxc3 Bxc3+ 10. bxc3 Qa5 11. Qc2 Nc6 12. Bd3 h6 13. 0-0 0-0 14. Rfe1 Bd7 15. Ne5 Nxe5 16. Rxe5 Qc7 17. Rc5 Qd6 18. Rd1 b6 19. Re5 Rfc8 20. Ba6 Rc7 21. Qb3 f6 22. Re3 b5 23. Bxb5 Rb8 24. Bxd7 Rxb3 25. Bxe6+ Kh7 26. Bxb3 f5 27. c4 Qb4 28. c5 a5 29. a3 Qb5 30. Bc2 g6 31. Rde1 Qc4 32. Bb3 Qxd4 33. Re7+ Rxe7 34. Rxe7+ Kh8 35. Re8+ Kg7 36. Re7+ Kf8 37. Rf7+ Ke8 38. h3 a4 39. Be6 Qa1+ 40. Kh2 Qe5+ 41. g3 Qxe6 42. Ra7 Qc6 0-1

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.02"]
[Round "4"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Pereira Vera, Henry Alberto"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1307"]
[BlackElo "1750"]
[PlyCount "70"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 c6 6. Be3 Bg4 7. Be2 Nbd7 8. Qd3 e6 9. h3 Bf5 10. Qd2 Nd5 11. Nxd5 cxd5 12. c3 Be7 13. Bd3 Bxd3 14. Qxd3 0-0 15. 0-0 b5 16. a3 Qc6 17. Bf4 Rfc8 18. Rfc1 Qc4 19. Qd2 a5 20. Ne5 Nxe5 21. Bxe5 Ra6 22. b4 a4 23. Qb2 Rac6 24. Rc2 Qb3 25. Qc1 Rxc3 26. Rxc3 Qxc3 27. Qxc3 Rxc3 28. Kf1 Bf6 29. Bxf6 gxf6 30. Ke2 e5 31. dxe5 fxe5 32. Rd1 d4 33. Rd3 Rc2+ 34. Kf3 f5 35. Kg3 Rc3 0-1

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.01"]
[Round "1"]
[White "Lopez Giraldo, Maria Camila"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1724"]
[BlackElo "1307"]
[PlyCount "62"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. Bc4 d6 5. d3 Nf6 6. Nge2 Bd7 7. 0-0 e6 8. f4 Be7 9. Ng3 0-0 10. f5 h6 11. Nh5 Nxh5 12. Qxh5 Bf6 13. Qg4 Ne5 14. Qh3 Nxc4 15. dxc4 Bg5 16. Rf3 Bxc1 17. Rxc1 Qf6 18. Rcf1 exf5 19. exf5 Qd4+ 20. Kh1 Qf6 21. Nd5 Qd8 22. Qg3 Bc6 23. f6 g6 24. Ne7+ Kh7 25. Rd3 Bxa4 26. Rxd6 Qc7 27. Nd5 Qb8 28. Nb6 Bxc2 29. Nxa8 Qxa8 30. Qe5 Qc8 31. Qe7 Be4 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "9"]
[White "Cupaban Alonso, Luciana"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1221"]
[BlackElo "1344"]
[PlyCount "114"]
[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. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be3 Bxf3 7. Qxf3 Qxf3 8. gxf3 cxd4 9. cxd4 e6 10. Nc3 Bb4 11. f4 Nf6 12. Ke2 0-0-0 13. Rd1 Bxc3 14. bxc3 Ne4 15. Kd3 f5 16. Bg2 Nf6 17. Rb1 Kc7 18. h3 Nd5 19. Bxd5 Rxd5 20. Rb2 Rb8 21. Bd2 b6 22. Rbb1 Rbd8 23. Be3 Re8 24. Rhg1 g6 25. h4 Rd7 26. Rh1 e5 27. f3 a5 28. Rb5 exd4 29. Bxd4 Nxd4 30. cxd4 Red8 31. Rc1+ Kb7 32. Rc4 Rd5 33. Rb2 b5 34. a4 b4 35. Rbc2 R8d7 36. Rd2 Kb6 37. Rdc2 R7d6 38. Rh2 Kb7 39. h5 Kb6 40. hxg6 hxg6 41. Rd2 Kb7 42. Ke3 Re6+ 43. Kf2 Red6 44. Kg3 b3 45. Rb2 Rxd4 46. Rxb3+ Ka6 47. Rxd4 Rxd4 48. Re3 Rxa4 49. Re6+ Kb5 50. Rxg6 Rc4 51. Rg8 a4 52. Rf8 Rc5 53. Kh4 a3 54. Rb8+ Kc4 55. Kg5 Rb5 56. Rxb5 Kxb5 57. Kxf5 a2 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "8"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Martinez Roa, Alejandro"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1344"]
[BlackElo "1153"]
[PlyCount "62"]
[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. Bb5 a6 4. Ba4 b5 5. Bb3 h6 6. 0-0 Nf6 7. Re1 Bc5 8. h3 d6 9. c3 0-0 10. d4 Ba7 11. d5 Ne7 12. a4 Ng6 13. axb5 axb5 14. Na3 Bd7 15. Qe2 Bb6 16. Bd2 Qb8 17. Kf1 Bc5 18. Bc2 Nf4 19. Bxf4 exf4 20. b4 Ba7 21. Qd3 Qb6 22. Qd4 Rfe8 23. Qxb6 Bxb6 24. Nd4 Bxd4 25. cxd4 Ra7 26. Ra2 Rc8 27. e5 Nxd5 28. Be4 Nc3 29. Raa1 Nxe4 30. Rxe4 dxe5 31. dxe5 Be6 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.09"]
[Round "7"]
[White "Pimiento Caicedo, Cristopher"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1344"]
[PlyCount "57"]
[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. d3 d6 4. Be2 Bg4 5. h3 Bxf3 6. Bxf3 Nf6 7. Bd2 g6 8. c4 Bg7 9. 0-0 0-0 10. Nc3 Nd4 11. Be3 Nd7 12. Rc1 Ne5 13. Bxd4 Nxf3+ 14. Qxf3 Bxd4 15. Rc2 e6 16. Ne2 Qf6 17. Nxd4 Qxd4 18. Qe3 Qxe3 19. fxe3 f5 20. Rcf2 fxe4 21. Rxf8+ Rxf8 22. Rxf8+ Kxf8 23. dxe4 Kf7 24. Kf2 Kf6 25. Kf3 Ke5 26. b3 h5 27. h4 a6 28. g3 b5 29. a3 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "6"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Sanabria Calderon, Santiago"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1344"]
[BlackElo "1451"]
[PlyCount "78"]
[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 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. d4 cxd4 6. Nxd4 Ngf6 7. Nc3 g6 8. Be3 Bg7 9. Qd2 0-0 10. 0-0-0 Nb6 11. f3 Nc4 12. Qd3 Nxe3 13. Qxe3 a6 14. e5 Ne8 15. f4 b5 16. exd6 Bxd4 17. Qxd4 Qxd6 18. Qe3 Qe6 19. Qf3 Nf6 20. Rhe1 Qg4 21. Qxg4 Nxg4 22. h3 Nf6 23. Rxe7 Rfe8 24. Rdd7 Rxe7 25. Rxe7 Kg7 26. Re3 Nh5 27. Ne2 Kf6 28. g4 Ng7 29. Nc3 Ne6 30. Ne2 h5 31. Kd2 hxg4 32. hxg4 g5 33. f5 Nf4 34. Re4 Nd5 35. c4 bxc4 36. Rxc4 Rd8 37. Rc6+ Kg7 38. f6+ Kf8 39. Nc3 Nb4+ 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "5"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Santos Martinez, Isaac Mauricio"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1344"]
[BlackElo "1180"]
[PlyCount "53"]
[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. Bc4 Nf6 4. d3 Bc5 5. Bg5 h6 6. Bxf6 Qxf6 7. Nc3 0-0 8. Nd5 Qg6 9. Rg1 d6 10. Nxc7 Rb8 11. Nd5 Be6 12. Qe2 Nd4 13. Nxd4 Bxd4 14. Ne7+ Kh8 15. Nxg6+ fxg6 16. Bxe6 Bxb2 17. Rb1 Rf6 18. Rxb2 Rxe6 19. Qg4 Rf6 20. Rxb7 Rxb7 21. Qc8+ Kh7 22. Qxb7 a5 23. Ke2 g5 24. Rb1 Kg6 25. Qe7 a4 26. Qe8+ Rf7 27. Rb7 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "3"]
[White "Carvajal Barreto, Gian Lucas"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1/2-1/2"]
[ECO "B89"]
[WhiteElo "1073"]
[BlackElo "1344"]
[PlyCount "13"]
[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. Bc4 e6 4. Nc3 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Be3 1/2-1/2

[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 "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 "Silva Barajas, Jose Alejandro"]
[Black "Ortega Rueda, Nicolas"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1246"]
[PlyCount "112"]
[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. Nc3 Nf6 3. Bf4 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 Nc7 7. Nf3 Be7 8. Bd3 0-0 9. 0-0 Re8 10. Ne5 Bd6 11. Qf3 g6 12. Bg5 Be7 13. Ng4 Nxg4 14. Bxe7 Rxe7 15. Qxg4 e5 16. Qg5 e4 17. Be2 Ne6 18. Qh4 Ng7 19. f3 Nf5 20. Qf6 Nxe3 21. Rfc1 Bf5 22. Qg5 Nc4 23. b3 Nd6 24. Qe3 exf3 25. Qxf3 Ne4 26. Nxe4 Bxe4 27. Qg3 Bf5 28. Bg4 Bxg4 29. Qxg4 Re4 30. Qd1 Qf6 31. c3 Rae8 32. Qd3 Re3 33. Qf1 Qg5 34. c4 R3e4 35. cxd5 cxd5 36. Re1 R8e6 37. Qf2 Rf6 38. Qb2 Rfe6 39. Qc3 Rc6 40. Qb2 Rce6 41. Qc3 Qh4 42. Red1 Qf4 43. Rd3 Rc6 44. Qd2 Qg4 45. h3 Qe6 46. Kh2 Qd6+ 47. Kh1 Qe6 48. Kh2 Re2 49. Qd1 Rcc2 50. Rg3 Qd6 51. Qg1 Rc3 52. Rf1 Qxg3+ 53. Kh1 Qxh3+ 54. gxh3 Rxh3+ 55. Qh2 Rhxh2+ 56. Kg1 Reg2# 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "5"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Sanchez Fonseca, Alejandro"]
[Result "1-0"]
[ECO "C44"]
[BlackElo "1228"]
[PlyCount "111"]
[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 e5 2. Nf3 Nc6 3. d4 d5 4. dxe5 Bg4 5. exd5 Nxe5 6. Be2 Bd6 7. Nxe5 Bxe2 8. Qxe2 Qe7 9. Nd3 Qxe2+ 10. Kxe2 Nf6 11. Nc3 0-0 12. Re1 Rfe8+ 13. Kf1 Rxe1+ 14. Nxe1 Bb4 15. Bg5 Bxc3 16. bxc3 Nxd5 17. Rb1 f6 18. Bd2 b6 19. c4 Ne7 20. Bb4 c5 21. Bd2 Nf5 22. Nf3 Nd4 23. Nxd4 cxd4 24. c3 dxc3 25. Bxc3 Rc8 26. Rb4 b5 27. Rxb5 Rxc4 28. Bb2 Rc2 29. Rb8+ Kf7 30. Rb7+ Kg6 31. Ba3 Rxa2 32. Rxa7 Kh6 33. Bc1+ g5 34. Rxa2 Kh5 35. Ra7 h6 36. f3 f5 37. g4+ fxg4 38. fxg4+ Kxg4 39. Rh7 h5 40. Rg7 Kh4 41. Rxg5 Kh3 42. Rxh5+ Kg4 43. Rh8 Kf3 44. Rg8 Ke4 45. h4 Kd3 46. h5 Kc2 47. h6 Kxc1 48. h7 Kd2 49. h8Q Kd3 50. Re8 Kc4 51. Rd8 Kc5 52. Qd4+ Kb5 53. Qd3+ Kc6 54. Qd6+ Kb5 55. Rc8 Ka5 56. Rb8 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "3"]
[White "Carvajal Barreto, Gian Lucas"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1069"]
[PlyCount "54"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. Nxd4 exd4 5. c3 dxc3 6. Nxc3 Bb4 7. 0-0 Ne7 8. a3 Bxc3 9. dxc3 0-0 10. Qf3 d6 11. Rd1 Be6 12. Bxe6 fxe6 13. Qe3 e5 14. b4 Ng6 15. c4 Qf6 16. Qg3 Rad8 17. Bg5 Qf7 18. Bxd8 Rxd8 19. Rd3 Nf4 20. Rf3 Ne2+ 21. Kh1 Nxg3+ 22. hxg3 Qxc4 23. Re1 Rf8 24. Ree3 Rxf3 25. Rxf3 Qxe4 26. Rc3 Qe1+ 27. Kh2 Qxc3 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "2"]
[White "Silva Barajas, Jose Alejandro"]
[Black "Moreno Hernandez, Andres Mauricio"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1470"]
[PlyCount "104"]
[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. Nc3 Nf6 3. Bf4 Bf5 4. Nb5 Na6 5. e3 c6 6. Nc3 Nc7 7. Nf3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bg5 h6 11. Bh4 Be7 12. 0-0 0-0 13. Rfe1 Nd7 14. Bg3 c5 15. Ne5 c4 16. Qd2 Nxe5 17. Bxe5 Bd6 18. Bxd6 Qxd6 19. b3 b5 20. e4 a6 21. a3 Rfd8 22. e5 Qe7 23. b4 a5 24. Ne2 Ra7 25. c3 Rda8 26. Qb2 Ne8 27. Ng3 axb4 28. axb4 g6 29. Rxa7 Qxa7 30. h3 Ng7 31. Qd2 Kh7 32. Ne2 Qa2 33. Qxa2 Rxa2 34. Kf1 Nf5 35. Rc1 Nh4 36. Ng1 g5 37. g3 Ng6 38. Nf3 Kg7 39. h4 gxh4 40. gxh4 Nf4 41. Ne1 Kg6 42. Rc2 Ra1 43. f3 Kh5 44. Kf2 Kxh4 45. Ng2+ Kg5 46. Nxf4 Kxf4 47. Ke2 h5 48. Kf2 h4 49. Kg2 Kg5 50. Kh3 Kf4 51. Kxh4 Rh1+ 52. Rh2 Rxh2# 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.11"]
[Round "1"]
[White "Becker Newmark, Jeronimo"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1572"]
[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. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 Bd6 6. Qb3 b6 7. Bxd6 Qxd6 8. Nf3 Nbd7 9. Rc1 a6 10. Nh4 Bg6 11. Nxg6 fxg6 12. cxd5 Nxd5 13. Nxd5 exd5 14. Be2 c6 15. 0-0 b5 16. Bf3 Nf6 17. Rfe1 Ra7 18. e4 Re7 19. e5 Qe6 20. Qc3 Nd7 21. Qxc6 0-0 22. Bxd5 Qxd5 23. Qxd5+ Kh8 24. Rc7 Nb6 25. Qc5 Nd7 26. Qxe7 1-0

