[Event "COL-ch Amateurs U2000"]
[Site "Honda"]
[Date "2025.05.24"]
[Round "7"]
[White "Padilla Charry, Jorge Andres"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1855"]
[BlackElo "1908"]
[PlyCount "58"]
[EventDate "2025.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. 0-0 Qc7 6. d3 Ne7 7. Be3 Ng6 8. Nbd2 e5 9. Nb3 d6 10. c3 Ba6 11. Re1 c4 12. dxc4 Bxc4 13. Nbd2 Be6 14. Ng5 Bc8 15. c4 c5 16. Nb1 Bb7 17. Nc3 Be7 18. Qh5 Bxg5 19. Bxg5 a6 20. Bd2 0-0 21. Re3 Nf4 22. Qg4 Bc8 23. Qg3 f5 24. exf5 Rxf5 25. Ree1 Bb7 26. Bxf4 Rxf4 27. b3 Raf8 28. Re2 R8f6 29. Rd1 Rg6 0-1

[Event "COL-ch Amateurs U2000"]
[Site "Honda"]
[Date "2025.05.23"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Ochoa Parra, Carlos Orlando"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "1908"]
[BlackElo "1877"]
[PlyCount "178"]
[EventDate "2025.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB22_2025"]
[SourceDate "2025.05.28"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Bb4+ 5. Nbd2 Nc6 6. a3 Bxd2+ 7. Bxd2 Qe7 8. Bf4 g5 9. Bg3 Nxg3 10. hxg3 Nxe5 11. Qd4 f6 12. c5 b6 13. cxb6 axb6 14. Qe4 Ra5 15. b4 Ra7 16. Nxe5 Qxe5 17. Qxe5+ fxe5 18. e4 Bb7 19. Rh5 Bxe4 20. Rxg5 d6 21. Bb5+ Ke7 22. f3 Kf6 23. Rh5 Bg6 24. Rh4 Rha8 25. a4 c5 26. Rd1 Ke7 27. f4 cxb4 28. fxe5 dxe5 29. Rxb4 Bc2 30. Ra1 Rg8 31. Rc1 Bf5 32. Kf2 Rg6 33. Rh4 Rd6 34. Re1 e4 35. Ke3 Rc7 36. Kf4 Bg6 37. Re2 Rc3 38. Kg4 Rf6 39. Kh3 Rd6 40. Rf4 Rd1 41. Kh2 Rcc1 42. g4 Re1 43. Rff2 e3 44. Rf3 Rxe2 45. Bxe2 Rc3 46. Kg3 Be4 47. Rf4 Bg6 48. Kf3 Ra3 49. Rb4 Kd8 50. Bd1 Kc7 51. Be2 Kc6 52. g5 Kc5 53. Rb5+ Kd4 54. Rxb6 Rxa4 55. g4 Ra3 56. Rb4+ Ke5 57. Rb2 Be4+ 58. Kg3 Ra1 59. Rb5+ Kd4 60. Rb4+ Ke5 61. Rb5+ Kd4 62. Rb4+ Ke5 63. Rb5+ Kd4 64. Kf4 Bg6 65. Rb4+ Kc3 66. Rb7 Kd2 67. Bf3 Ra4+ 68. Ke5 e2 69. Rb2+ Bc2 70. Bxe2 Re4+ 71. Kf6 Rxe2 72. Kg7 Re7+ 73. Kf6 Rc7 74. Ra2 Ke3 75. Ra5 Kf4 76. Ra1 Rc6+ 77. Kg7 Kxg5 78. Ra5+ Kxg4 79. Ra1 Rg6+ 80. Kf7 Rb6 81. Rg1+ Kf3 82. Rg5 Rg6 83. Rh5 Rg3 84. Rh2 Be4 85. Rh4 h5 86. Kf6 Bg6 87. Rh2 Rg4 88. Rh3+ Kf4 89. Rh2 h4 0-1

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.19"]
[Round "9"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Cordoba Perez, Jeronimo"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "1877"]
[BlackElo "2022"]
[PlyCount "100"]
[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. d4 g6 2. Nf3 Bg7 3. c4 f5 4. g3 Nf6 5. Bg2 0-0 6. 0-0 d6 7. Nc3 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. c5 e6 11. Bg5 e4 12. d6 cxd6 13. cxd6 Bd7 14. Qb3 Qb6 15. Qxb6 axb6 16. f3 Nd5 17. fxe4 Nxc3 18. bxc3 Bxc3 19. Rac1 Bd4+ 20. Kh1 Bc5 21. Be7 Rfb8 22. exf5 gxf5 23. g4 fxg4 24. Rc4 Ra4 25. Rxa4 Bxa4 26. Rf4 Bc6 27. Rxg4+ Kf7 28. Rf4+ Kg8 29. e4 Ra8 30. Bh3 Bd7 31. Rf6 Rxa2 32. Bxe6+ Bxe6 33. Rxe6 Kf7 34. Rf6+ Ke8 35. e5 Kd7 36. Rf8 b5 37. Rd8+ Ke6 38. Bf6 Rd2 39. Re8+ Kf5 40. Bh8 h5 41. Rc8 b6 42. Rc7 h4 43. h3 b4 44. Rf7+ Ke6 45. Re7+ Kd5 46. Rh7 b3 47. d7 Ke6 48. Rh6+ Kxd7 49. e6+ Ke7 50. Bd4 Rxd4 0-1

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.18"]
[Round "8"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Lopez, Ricardo Andres"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1877"]
[BlackElo "2020"]
[PlyCount "61"]
[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. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. Nbd2 0-0 7. 0-0 Re8 8. Re1 Nbd7 9. cxd5 Nxd5 10. e4 Nb4 11. Qb3 a5 12. a3 Na6 13. e5 e6 14. Ne4 c5 15. Bg5 Qb6 16. Qxb6 Nxb6 17. Nd6 Rf8 18. Be7 cxd4 19. Bxf8 Bxf8 20. Rac1 d3 21. Red1 Bd7 22. Rxd3 Bc6 23. Nd4 Bxg2 24. Kxg2 Nd7 25. f4 Bh6 26. Rc2 g5 27. Kf3 gxf4 28. gxf4 f6 29. exf6 e5 30. Rg2+ Kf8 31. Ne6# 1-0

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.18"]
[Round "7"]
[White "Marin Posada, Sebastian"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2272"]
[BlackElo "1877"]
[PlyCount "78"]
[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. Nf3 Nc6 3. Bb5 e6 4. 0-0 Qc7 5. Re1 Nge7 6. d4 cxd4 7. Nxd4 a6 8. Nxc6 dxc6 9. Bf1 e5 10. a4 Ng6 11. Be3 Be6 12. Nd2 Rd8 13. a5 Rd7 14. c3 Be7 15. Qc2 0-0 16. g3 f5 17. exf5 Bxf5 18. Ne4 Kh8 19. Bg2 Rd5 20. Qa4 Qc8 21. Ng5 Rb5 22. Qa2 Bxg5 23. Bxg5 Bh3 24. c4 Qf5 25. Be3 Nf4 26. Bh1 Rb4 27. b3 Nd3 28. Red1 e4 29. Qc2 h5 30. f3 Ne5 31. fxe4 Nf3+ 32. Bxf3 Qxf3 33. Bc5 Rf7 34. Bxb4 Qe3+ 35. Kh1 Qf3+ 36. Kg1 Qe3+ 37. Kh1 Qf3+ 38. Kg1 Qe3+ 39. Kh1 Qf3+ 1/2-1/2

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.17"]
[Round "6"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Garvin Mejia, Ricardo Luis"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1877"]
[BlackElo "1759"]
[PlyCount "48"]
[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. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 d6 8. Nf3 Nbd7 9. Be2 Qa5 10. 0-0 Bxa6 11. Re1 0-0 12. a4 Bxe2 13. Qxe2 Ng4 14. Nd2 h5 15. h3 Nh6 16. Nc4 Qb4 17. Bd2 Nb6 18. Nxb6 Qxb6 19. Nb5 Rfb8 20. Qc4 Kf8 21. Rab1 f6 22. b3 Nf7 23. Qd3 Rc8 24. Qg3 g5 1-0

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.16"]
[Round "4"]
[White "Arango, Andres Mauricio"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2015"]
[BlackElo "1877"]
[PlyCount "85"]
[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. Nge2 Nf6 4. d4 cxd4 5. Nxd4 d6 6. Bc4 Bd7 7. f3 a6 8. a4 g6 9. Be3 Bg7 10. Qd2 h5 11. Nb3 Na5 12. Nxa5 Qxa5 13. 0-0 Bc6 14. Rfb1 Qc7 15. Bf1 a5 16. Nb5 Qd8 17. Ra3 0-0 18. Bh6 Bxh6 19. Qxh6 Qb6+ 20. Kh1 Rac8 21. c4 h4 22. Qxh4 Kg7 23. Qe1 Qc5 24. Re3 Qg5 25. Na7 Rb8 26. Nxc6 bxc6 27. e5 dxe5 28. Rxe5 Qf4 29. Qe3 Qh4 30. g3 Qh7 31. Qc3 Rh8 32. h4 Qh6 33. Kg1 Rhd8 34. f4 Kf8 35. Rbe1 Rd7 36. Rxe7 Rxe7 37. Rxe7 Ng4 38. Re1 Qh5 39. c5 Kg8 40. Bg2 Qf5 41. Be4 Rb3 42. Bxf5 Rxc3 43. bxc3 1-0

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.16"]
[Round "5"]
[White "De Jesus Rosa, Michel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2082"]
[BlackElo "1877"]
[PlyCount "47"]
[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. b3 Nf6 2. Bb2 d6 3. g3 Nbd7 4. Bg2 g6 5. d4 Bg7 6. Nf3 0-0 7. 0-0 e5 8. dxe5 Ng4 9. Qd2 Ngxe5 10. c4 Nxf3+ 11. Bxf3 Bxb2 12. Qxb2 Ne5 13. Bg2 c6 14. Nc3 f5 15. Qd2 Qe7 16. Rad1 Rd8 17. e4 Be6 18. f4 Ng4 19. Rfe1 Qc7 20. exf5 Qb6+ 21. Qd4 Bxf5 22. h3 Nf6 23. g4 Bc8 24. c5 1-0

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.15"]
[Round "3"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Ayala Delgado, Sergio Alejandro"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1877"]
[BlackElo "2136"]
[PlyCount "87"]
[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 Nf6 2. d4 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 Bxd2+ 8. Qxd2 b5 9. Qg5 0-0 10. Qxb5 Ba6 11. Qxa5 Bb7 12. Qb4 Bd5 13. Nbd2 Nc6 14. Qc3 Rb8 15. 0-0 Qd6 16. Rfe1 Ne4 17. Nxe4 Bxe4 18. Red1 Rfd8 19. e3 Rb4 20. Ne5 Bxg2 21. Kxg2 Rdb8 22. Rd2 h5 23. h4 f6 24. Ng6 Qd5+ 25. Kg1 Qb5 26. Rc1 Qf5 27. Qc2 Qf3 28. Qd1 Qxd1+ 29. Rdxd1 Na5 30. b3 cxb3 31. axb3 R8b7 32. Nf4 Kf7 33. Nxh5 Nxb3 34. Rc3 R4b5 35. Nf4 Ke7 36. d5 Nc5 37. Rdc1 Kd6 38. dxe6 g5 39. hxg5 fxg5 40. e7 Rb8 41. Ng6 Re8 42. Rd1+ Kc6 43. Rd8 Rb8 44. Ne5+ 1-0

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.14"]
[Round "1"]
[White "Abreu Jean, Carlos Paul"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2231"]
[BlackElo "1877"]
[PlyCount "111"]
[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. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 e6 6. 0-0 c5 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Nbd2 b5 10. Be2 Bb7 11. a4 bxa4 12. Ne5 Ke7 13. Rxa4 Nbd7 14. Nd3 Ba7 15. b3 Rhc8 16. Ba3+ Ke8 17. Nc4 Bb8 18. Rc1 Bc6 19. Na5 Bxh2+ 20. Kxh2 Bxa4 21. bxa4 Rxc1 22. Nxc1 Nb6 23. Nd3 Nfd5 24. Nc5 Nc3 25. Bf3 Nbd5 26. e4 Nb6 27. Bb4 Rc8 28. Nab7 Rxc5 29. Nxc5 Ncxa4 30. Nxa4 Nxa4 31. Be2 Nb6 32. Bxa6 Nd7 33. Bb5 Kd8 34. Bxd7 Kxd7 35. Bc3 f6 36. Kg3 Ke7 37. Kf4 Kf7 38. Ke3 Kg6 39. Kd3 Kg5 40. Bd2+ Kg4 41. Ke2 h5 42. Bb4 Kf4 43. f3 h4 44. Be1 g5 45. Kf2 g4 46. Bd2+ Ke5 47. Ke3 h3 48. gxh3 gxh3 49. Be1 Kd6 50. Bb4+ Kc6 51. Kf2 Kb5 52. Be7 f5 53. e5 Kc4 54. f4 Kd3 55. Kg3 Ke3 56. Bg5 1-0

[Event "Medellin Sub zt 2.3.2"]
[Site "Medellin"]
[Date "2025.04.14"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Vasquez Rojas, Juan Diego"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "1877"]
[BlackElo "1679"]
[PlyCount "41"]
[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. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 exd4 10. Nxd4 Nc5 11. Be3 Re8 12. Qc2 Qe7 13. f3 d5 14. cxd5 Nxd5 15. Nxd5 cxd5 16. Nb5 Bf8 17. Bf4 g5 18. Bd6 Qd7 19. Qxc5 Bxd6 20. Nxd6 b6 21. Qxd5 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.09"]
[Round "5"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Albarracin Ramirez, Jose Luis"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "1834"]
[BlackElo "1718"]
[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. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c6 6. e3 0-0 7. Rc1 Qa5 8. Bd3 dxc4 9. Bxc4 b5 10. Bb3 Bb7 11. 0-0 Nbd7 12. Ne5 Rad8 13. Qe2 Nh5 14. Ne4 Nxf4 15. exf4 Nxe5 16. dxe5 Qb6 17. Nc5 Rd4 18. e6 Qc7 19. exf7+ Kh8 20. Ne6 Qd6 21. Nxf8 Bxf8 22. Qe5+ Qxe5 23. fxe5 Kg7 24. Rfd1 Re4 25. e6 Bc8 26. Rxc6 Bb7 27. Rc7 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.09"]
[Round "4"]
[White "Martinez, Julian"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2125"]
[BlackElo "1834"]
[PlyCount "107"]
[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 d5 2. Nf3 c5 3. c3 Nc6 4. g3 Nf6 5. Bg2 e6 6. 0-0 Be7 7. Re1 0-0 8. Nbd2 b6 9. e3 Bb7 10. b3 Qc7 11. Bb2 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Qc2 Qc7 15. Rad1 Rad8 16. Qd3 Rfe8 17. Qf1 Bd6 18. Bf3 Ne4 19. Nxe4 dxe4 20. Be2 Re6 21. Rd2 Be5 22. Red1 Rxd2 23. Rxd2 g6 24. Qd1 Re7 25. Rd8+ Kg7 26. Qd2 h5 27. c4 Bc6 28. Rd6 Bxb2 29. Qxb2+ Kh7 30. Qf6 Be8 31. Bxh5 Rd7 32. Rxd7 Qxd7 33. Be2 Qd2 34. Bg4 Kg8 35. Qe7 Bc6 36. Qc7 Be8 37. Qe7 Bc6 38. Qxa7 f5 39. Qb8+ Kg7 40. Qc7+ Bd7 41. Bh3 Qd1+ 42. Bf1 Kf7 43. Qxb6 f4 44. Qxc5 Qa1 45. Qd4 Qxd4 46. exd4 f3 47. a4 Kf6 48. a5 g5 49. b4 g4 50. b5 Kf5 51. a6 e3 52. Bd3+ Ke6 53. fxe3 Kd6 54. a7 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.08"]
[Round "2"]
[White "Carbajal Buitrago, Franklin Stiven"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1671"]
[BlackElo "1834"]
[PlyCount "48"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 g6 9. 0-0 Bg7 10. Bd2 0-0 11. h3 Rb8 12. Rb1 Qc7 13. Kh1 d5 14. Qf3 d4 15. Ne2 c5 16. c3 c4 17. cxd4 cxd3 18. Qxd3 Bb5 19. Qe3 Qb7 20. f3 Rfd8 21. d5 Qa6 22. Rfe1 Bxe2 23. Qxe2 Qxa2 24. Bc3 Nh5 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2024.03.08"]
[Round "1"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Gonzalez Gonzalez, Mario Jesus"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1834"]
[BlackElo "1591"]
[PlyCount "37"]
[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 d5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 0-0 7. Rc1 a6 8. Ne5 Re8 9. Nxc6 bxc6 10. c5 Rb8 11. Qc2 Nd7 12. Bxe7 Qxe7 13. f4 f6 14. Bd3 g6 15. 0-0 e5 16. fxe5 fxe5 17. Bxg6 hxg6 18. Qxg6+ Kh8 19. Rf7 1-0

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "8"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Brito Carrascal, Camilo Andres"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1708"]
[BlackElo "1985"]
[PlyCount "122"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qc2 0-0 6. a3 Be7 7. e4 dxe4 8. Nxe4 Nbd7 9. Be2 b6 10. 0-0 Bb7 11. Nxf6+ Nxf6 12. Bg5 h6 13. Bh4 Qc8 14. c5 Ba6 15. b4 Bxe2 16. Qxe2 Nd5 17. Bxe7 Nxe7 18. Rfc1 Qd7 19. a4 a5 20. b5 Rad8 21. Rc4 Qd5 22. Rac1 Rfe8 23. Qe5 Qxe5 24. Nxe5 Rd5 25. h3 f6 26. Nf3 Red8 27. cxb6 cxb6 28. Rc7 R5d7 29. Kf1 Kf7 30. g4 Ke8 31. h4 Rxc7 32. Rxc7 Rd7 33. Rc4 Kd8 34. Ke2 Rc7 35. Kd3 Nd5 36. Rxc7 Kxc7 37. Kc4 h5 38. gxh5 Nf4 39. Nd2 Nxh5 40. Ne4 Nf4 41. Nc3 Kd6 42. Ne4+ Kd7 43. Nc3 f5 44. Nd1 Ng6 45. h5 Nf4 46. Ne3 Nxh5 47. d5 Nf6 48. dxe6+ Kxe6 49. Kd4 g5 50. Nc4 Nd7 51. f3 f4 52. Nd2 Nc5 53. Ne4 Nxe4 54. Kxe4 Kf6 55. Kd5 g4 56. fxg4 f3 57. Kc6 f2 58. Kxb6 f1Q 59. Kxa5 Ke6 60. Kb6 Kd7 61. a5 Kc8 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "9"]
[White "Sanchez Riscanevo, Santiago"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1432"]
[BlackElo "1708"]
[PlyCount "118"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[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. 0-0 Nc6 6. c3 Nf6 7. Qe2 e6 8. d4 Be7 9. Rd1 Qc7 10. Bf4 Nh5 11. Be3 0-0 12. Nbd2 Nf6 13. Bf4 e5 14. dxe5 dxe5 15. Bg3 Nh5 16. Nf1 Nxg3 17. Nxg3 g6 18. Qe3 Rfd8 19. Qh6 Bf8 20. Qg5 Qe7 21. Qxe7 Bxe7 22. Nf1 f6 23. Ne3 Kf7 24. Nd5 Rd7 25. Rd2 Rad8 26. Rad1 Bf8 27. Ne3 Rxd2 28. Rxd2 Rxd2 29. Nxd2 Bh6 30. Ndc4 Ke6 31. Nd5 f5 32. f3 Bg5 33. Kf2 Bd8 34. Ke2 b5 35. Nce3 h5 36. g3 a5 37. Kd3 a4 38. Nc2 Kd6 39. Nde3 Ne7 40. Na3 Kc6 41. Nac2 f4 42. Ng2 g5 43. Ke2 Ng6 44. Nce1 g4 45. Nd3 Bc7 46. Kf2 Bd6 47. a3 Kd7 48. Ke2 Ke6 49. Nf2 gxf3+ 50. Kxf3 c4 51. Nh3 fxg3 52. hxg3 Nf8 53. Ne3 Nd7 54. Nd5 Nc5 55. Ng5+ Kd7 56. Nb4 Be7 57. Nh3 Bf8 58. Ng1 Bh6 59. Ne2 Nd3 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "6"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Cano Alcaraz, Juan Jose"]
[Result "0-1"]
[ECO "D56"]
[WhiteElo "1708"]
[BlackElo "1764"]
[PlyCount "204"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. Nc3 0-0 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 Rd8 11. Rc1 c6 12. Bd3 dxc4 13. Bxc4 c5 14. Qa3 Nd7 15. Bb5 b6 16. Bc6 Rb8 17. Qxa7 cxd4 18. Nxd4 Qb4+ 19. Ke2 e5 20. a3 Qf8 21. Nf3 Nc5 22. b4 Ba6+ 23. b5 Bxb5+ 24. Bxb5 Rb7 25. Qxb7 Nxb7 26. Rhd1 Rxd1 27. Rxd1 Qxa3 28. Bc6 Nc5 29. Rd8+ Kh7 30. Bd5 Qd3+ 31. Ke1 Qc2 32. Nd2 Qc1+ 33. Ke2 Qa1 34. Ra8 Qc3 35. Bxf7 Qd3+ 36. Ke1 Qf5 37. Bg8+ Kg6 38. Rb8 Nd7 39. Rb7 e4 40. Bb3 b5 41. Bc2 Nf6 42. f3 Qc5 43. Kd1 Qxe3 44. Nxe4 Nxe4 45. Bxe4+ Kf6 46. Rxb5 Qg1+ 47. Kd2 Qxg2+ 48. Kc3 Qxh2 49. Rb6+ Ke5 50. Rg6 Kf4 51. Kd3 Qb2 52. Rg4+ Ke5 53. Rxg7 Qa3+ 54. Ke2 Qb2+ 55. Kf1 Kf4 56. Rg4+ Ke3 57. Kg1 h5 58. Rg2 Qa1+ 59. Kh2 Qe5+ 60. Kh3 Kf4 61. Kh2 Qe6 62. Rg6 Qe7 63. Kh3 Ke3 64. Rg2 Qf6 65. Rg6 Qa1 66. Kh2 Kf4 67. Rg2 Qe1 68. Rg6 Qf2+ 69. Rg2 Qh4+ 70. Kg1 Ke3 71. Rg6 Qf2+ 72. Kh1 Qf1+ 73. Kh2 h4 74. Rg2 Qe1 75. Rg1 Qf2+ 76. Rg2 Qf1 77. Rg1 Qb5 78. Rg4 Kf2 79. Rg2+ Ke3 80. Rg4 Qf1 81. Rg1 Qa6 82. Rg4 Qf6 83. Rg2 Qh6 84. Rg6 Qh5 85. Rg4 h3 86. Rg6 Kf2 87. Rg4 Qh8 88. Rg6 Qe5+ 89. Kh1 Qb5 90. Kh2 Qf1 91. f4 Ke3 92. Bh1 Qxf4+ 93. Kxh3 Qf5+ 94. Rg4 Kf2 95. Be4 Qe6 96. Bg6 Kf3 97. Be4+ Kf2 98. Bg6 Qe3+ 99. Kh4 Qh6+ 100. Bh5 Qf6+ 101. Rg5 Ke3 102. Bg6 Kf4 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "7"]
[White "Valderrama, Miguel Angel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1522"]
[BlackElo "1708"]
[PlyCount "78"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. d4 cxd4 5. Qxd4 Nc6 6. Qd1 Bb7 7. a3 g6 8. Nf3 Bg7 9. Bd3 d6 10. 0-0 Nf6 11. h3 0-0 12. Qe1 Rc8 13. Qh4 Qb6+ 14. Kh1 Nd4 15. Qf2 Nd7 16. Be3 e5 17. Ne2 Qc7 18. Nexd4 exd4 19. Bxd4 Nc5 20. Bxg7 Kxg7 21. f5 Rce8 22. Nd4 Nxe4 23. f6+ Kh8 24. Qh4 Qc5 25. Nf3 Qh5 26. Qxh5 Ng3+ 27. Kh2 Nxf1+ 28. Rxf1 gxh5 29. Nd4 Be4 30. Be2 Re5 31. Bd3 Bxd3 32. cxd3 Re3 33. Rf5 Rxd3 34. Nf3 h6 35. Ng5 hxg5 36. Rxg5 Rc8 37. Rxh5+ Kg8 38. Rg5+ Kf8 39. h4 Rc5 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "5"]
[White "Cruz, Juan Stevan"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1324"]
[BlackElo "1708"]
[PlyCount "52"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. b3 d6 2. Bb2 Nd7 3. e3 Ngf6 4. Nf3 g6 5. d4 Bg7 6. Be2 0-0 7. Nbd2 e5 8. dxe5 Ng4 9. 0-0 Ngxe5 10. Nxe5 Nxe5 11. Rb1 Bd7 12. Nf3 Qe7 13. Nxe5 dxe5 14. e4 Rad8 15. c4 Bc6 16. Qc2 Qh4 17. f3 Bh6 18. Bc1 Rd4 19. Bxh6 Qxh6 20. Rfd1 Qe3+ 21. Kf1 f5 22. Rd3 Rxd3 23. Qxd3 Qxd3 24. Bxd3 fxe4 25. Be2 exf3 26. Bxf3 e4 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1708"]
[BlackElo "2062"]
[PlyCount "106"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bd2 0-0 7. Nc2 Be7 8. g3 Nc6 9. Bg2 b6 10. 0-0 Bb7 11. Bf4 d6 12. Nb5 Ne8 13. Ncd4 Qd7 14. Nxc6 Bxc6 15. Bxc6 Qxc6 16. Qb3 a6 17. Nd4 Qb7 18. Be3 Nf6 19. Rfd1 Rfd8 20. Rac1 Ne4 21. Qa4 Rac8 22. f3 Nc5 23. Qc2 Bf6 24. Nb3 Na4 25. Na5 Qd7 26. Nb7 Nxb2 27. Nxd8 Nxd1 28. Rxd1 Bxd8 29. Qd2 Rc6 30. Qb4 h6 31. Qa4 Qb7 32. Bf4 Be7 33. Rb1 Qc8 34. Qb4 Bf6 35. Be3 Bd8 36. Rd1 Be7 37. Rb1 Kh7 38. Qb3 Rxc4 39. Qd3+ g6 40. Rxb6 d5 41. Kg2 a5 42. Bd4 Qc7 43. Ra6 e5 44. Ra7 Qd6 45. Bc3 a4 46. Ra5 Qe6 47. Ra8 Qc6 48. Ra7 Rxc3 49. Qd1 Qd6 50. Rxa4 d4 51. Ra8 Qd7 52. Qa1 Rc2 53. Qd1 d3 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Bolanos Lopez, Juan Jacobo"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1708"]
[BlackElo "2075"]
[PlyCount "64"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 b5 8. a4 b4 9. Nfd2 Nd5 10. Nxc4 c5 11. dxc5 Ba6 12. Ne3 Nd7 13. Nxd5 exd5 14. Rd1 Rc8 15. c6 Ne5 16. Bxd5 Nxc6 17. Qe4 Bf6 18. Be3 Re8 19. Qf4 Qd7 20. Bb3 Qh3 21. Rd6 Ne5 22. Rxf6 gxf6 23. Qxf6 Qxh2+ 24. Kxh2 Ng4+ 25. Kg2 Nxf6 26. Kf3 Bb7+ 27. Kf4 Re4+ 28. Kf5 Nh5 29. Nd2 Ng7+ 30. Kg5 h6+ 31. Kxh6 Rc6+ 32. Kg5 Rg6# 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "3"]
[White "Sanchez Burgos, Carlos Antonio"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1313"]
[BlackElo "1708"]
[PlyCount "90"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[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. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. Bb5+ Nc6 9. N1d2 a6 10. Bxc6+ bxc6 11. 0-0 Be7 12. Re1 h6 13. Bh4 Nxe4 14. Bxe7 Qb6+ 15. Bc5 Nxc5 16. Nxc5 Qxc5+ 17. Kh1 0-0 18. Nb3 Qd6 19. Qe2 f6 20. Rad1 Bf7 21. a3 a5 22. Nd2 a4 23. c4 Rfb8 24. Ne4 Qe7 25. Nc3 Qb7 26. Rd2 Qb3 27. cxd5 cxd5 28. Qd3 d4 29. Nd1 Qxd3 30. Rxd3 Rc8 31. Rd2 Rc1 32. Kg1 Rb8 33. Kf2 Bb3 34. Ke2 Bc4+ 35. Kf2 Rb1 36. f4 Bb3 37. fxe5 Rxd1 38. Rexd1 Bxd1 39. Rxd1 Rxb2+ 40. Kf3 fxe5 41. Rd3 Rb3 42. Ke4 Rxd3 43. Kxd3 Kf7 44. Kc4 Ke6 45. Kb4 d3 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Bocangel Chavez, Marjoire Johana"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "1710"]
[BlackElo "1617"]
[PlyCount "68"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. d4 0-0 6. c4 c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Ne5 Rc8 12. Rd1 Nxe4 13. Bxe4 Nf6 14. Bg2 b5 15. Qb3 Qb6 16. c5 Qd8 17. a4 a6 18. axb5 axb5 19. Ra7 Ba8 20. Rxa8 Rxa8 21. Nxc6 Qd7 22. Nxe7+ Qxe7 23. Bxa8 Rxa8 24. Qxb5 Nd5 25. Be3 Qc7 26. Rc1 Rb8 27. Qe2 h6 28. Rc4 Qa7 29. Kg2 Qb7 30. c6 Qc8 31. Qd2 Rb6 32. Qc1 Nb4 33. c7 Nd3 34. Qc2 Ne1+ 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "8"]
[White "Pereira Vera, Henry Alberto"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1721"]
[BlackElo "1710"]
[PlyCount "69"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 c5 6. e3 Nc6 7. a3 Re8 8. Ne2 d6 9. Qc2 Rb8 10. d3 Bd7 11. 0-0 Qc8 12. Re1 a6 13. Nd2 b5 14. cxb5 axb5 15. Rac1 b4 16. a4 Na5 17. Qb1 Be6 18. Nf4 g5 19. Nxe6 Qxe6 20. Nc4 Nxb3 21. Bxf6 Nxc1 22. Bxg7 Nxd3 23. Qxd3 Kxg7 24. a5 Red8 25. Nb6 Qa2 26. Qf5 f6 27. Be4 Rh8 28. Qd7 Rbe8 29. Nd5 Qd2 30. Rb1 Rhf8 31. Nxe7 Rxe7 32. Qxe7+ Rf7 33. Qe6 Rc7 34. Qf5 Kf8 35. Qxf6+ 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Munoz Triana, Joseph Steve"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1710"]
[BlackElo "1912"]
[PlyCount "120"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Na6 10. b3 c5 11. exd5 exd5 12. Rd1 Qc7 13. Bb2 Rad8 14. dxc5 Nxc5 15. Be5 Qc8 16. Ng5 d4 17. Bxb7 Qxb7 18. Qf5 Qd7 19. Qf3 h6 20. Nge4 Nfxe4 21. Nxe4 Qe6 22. Nxc5 bxc5 23. Re1 Qd7 24. Rad1 a5 25. Bf4 Rfe8 26. Re4 Bf8 27. Rde1 a4 28. Rxe8 Rxe8 29. Rxe8 Qxe8 30. Qd5 axb3 31. axb3 Qe2 32. Kg2 d3 33. Be3 Qc2 34. Qd8 h5 35. Kf3 Qxb3 36. Qd5 d2 37. Ke2 d1Q+ 38. Qxd1 Qxc4+ 39. Qd3 Qg4+ 40. Ke1 Qh3 41. Qd8 Qf5 42. Ke2 c4 43. h4 Qb5 44. Ke1 Qb4+ 45. Ke2 Qb5 46. Ke1 c3 47. Qc8 Qd3 48. Bf4 c2 49. Bd2 Kh7 50. Qxf8 Qf3 51. Kf1 Qd1+ 52. Kg2 Qxd2 53. Qxf7 c1Q 54. Qf5+ Kg8 55. Qe6+ Kf8 56. Qf5+ Ke7 57. Qe5+ Kd8 58. Qb8+ Qc8 59. Qb6+ Qc7 60. Qe6 Qb7+ 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "6"]
[White "Pachon Gutierrez, Adriana Paola"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "2030"]
[BlackElo "1710"]
[PlyCount "103"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d6 3. e3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. f5 Re8 9. fxg6 hxg6 10. Qe1 e4 11. Ng5 Ne5 12. Qh4 d5 13. d4 exd3 14. cxd3 Bg4 15. Bxe5 Rxe5 16. Bxg4 Rxg5 17. Qxg5 Nxg4 18. Qxg4 Bxa1 19. d4 Qe7 20. Qf4 Re8 21. Rf3 Bb2 22. h4 Bc1 23. Kf2 c6 24. Nc3 Kg7 25. Ne2 Ba3 26. h5 Rh8 27. hxg6 fxg6 28. Qg4 Bd6 29. Ng3 Bxg3+ 30. Rxg3 Rf8+ 31. Ke2 Rf6 32. Rh3 Rf5 33. Rf3 Rg5 34. Qh3 Rh5 35. Qg3 Rg5 36. Qf2 Rg4 37. Rf4 Qg5 38. Rf7+ Kh6 39. Kf1 Qh5 40. Qf3 Qh1+ 41. Kf2 Qh4+ 42. g3 Qh2+ 43. Qg2 Qh5 44. Rxb7 Qf5+ 45. Qf3 Qc2+ 46. Kg1 Qb1+ 47. Kh2 Qxa2+ 48. Kh3 Re4 49. g4 Qd2 50. Qf8+ Kg5 51. Qd8+ Kh6 52. Qh4# 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Ramos Ariza, Juan Manuel"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1710"]
[BlackElo "2031"]
[PlyCount "80"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[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 e6 3. g3 Ne4 4. Bg2 Bb4+ 5. Nd2 f5 6. a3 Bxd2+ 7. Bxd2 0-0 8. Nf3 d6 9. 0-0 Nd7 10. h4 h6 11. Rc1 Ndf6 12. b4 Qe8 13. Bc3 f4 14. Nd2 Nxc3 15. Rxc3 e5 16. Ne4 Ng4 17. dxe5 dxe5 18. Qd5+ Kh8 19. Qc5 Rf7 20. Rd1 b6 21. Qb5 Bd7 22. Qa6 Rb8 23. b5 fxg3 24. Rxg3 Be6 25. Bf3 Rd7 26. Rxd7 Qxd7 27. Qxa7 Rf8 28. a4 Bf5 29. Qb7 h5 30. c5 Qd4 31. e3 Qxa4 32. cxb6 Qb4 33. Kg2 cxb6 34. Qd5 Bxe4 35. Qxe4 Qxe4 36. Bxe4 Rxf2+ 37. Kg1 Re2 38. Bg6 Rxe3 39. Rxe3 Nxe3 40. Bxh5 Nf5 1/2-1/2

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "2"]
[White "Hernandez Jimenez, Jeronimo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2135"]
[BlackElo "1710"]
[PlyCount "55"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[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 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 Qxd6 9. 0-0 g6 10. Ng5 e6 11. Ne4 Qe5 12. Re1 Bg7 13. Bg5 Qc7 14. cxd4 0-0 15. Nbc3 a6 16. Nf6+ Kh8 17. Re4 Nd7 18. Qf3 e5 19. Nxh7 Nxd4 20. Qh3 Kg8 21. Nd5 Qd6 22. Ne7+ Qxe7 23. Bxe7 Nc5 24. Nf6+ Bxf6 25. Bxf6 Ne2+ 26. Kf1 Bxh3 27. Rh4 Bxg2+ 28. Kxe2 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Heredia Serrano, Carla Sofia"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1710"]
[BlackElo "2063"]
[PlyCount "81"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 Nbd7 8. b3 a5 9. Bb2 a4 10. Ne5 axb3 11. axb3 Rxa1 12. Qxa1 dxc4 13. Ndxc4 Nxe5 14. dxe5 Nd5 15. e4 Nb6 16. Rd1 Qc7 17. Qa5 Na8 18. Qxa8 Bg4 19. Qa1 Bxd1 20. Qxd1 b5 21. Ne3 Bxe5 22. Qc2 Bxb2 23. Qxb2 e5 24. Ng4 f6 25. Qc3 Qd6 26. Bf1 h5 27. Ne3 Kg7 28. Qa5 Qc5 29. Bc4 Qe7 30. Be2 Rd8 31. Bxh5 Rd3 32. Bd1 Qd7 33. Bg4 Qb7 34. b4 Rd4 35. Bf3 Rd3 36. h4 Rb3 37. h5 gxh5 38. Nf5+ Kg6 39. Qd8 Qh7 40. Nh4+ Kg5 41. Qd2+ 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "9"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Morales Perez, Ghisell Gabriela"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "1722"]
[BlackElo "1447"]
[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. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 0-0 6. Nf3 c5 7. 0-0 Nc6 8. d5 Nb4 9. Nd2 Rb8 10. b3 Nfxd5 11. Bxd5 Bxc3 12. Rb1 Bh3 13. Re1 Nc6 14. Bb2 Bxb2 15. Rxb2 e6 16. Bxc6 bxc6 17. Ne4 d5 18. cxd5 cxd5 19. Nxc5 Qe7 20. b4 Rfd8 21. a3 Qf6 22. Rd2 h5 23. e4 Bg4 24. Qc2 Rbc8 25. exd5 exd5 26. Qb3 Re8 27. Rxe8+ Rxe8 28. Kg2 d4 29. Qd5 Rd8 30. Qb7 h4 31. h3 Bc8 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "8"]
[White "Remolina Garcia, Mayra Xiomara"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1509"]
[BlackElo "1722"]
[PlyCount "72"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Qd2 Bb4 8. a3 Ne4 9. Qc1 Bxc3+ 10. bxc3 dxc4 11. Bf4 b5 12. Be2 0-0 13. Bd1 Qxc3+ 14. Qxc3 Nxc3 15. Bc2 Bb7 16. Rc1 Nd5 17. Bg3 Rfc8 18. 0-0 c5 19. h3 cxd4 20. Nxd4 a6 21. Rfd1 Nc5 22. Bd6 Nb6 23. Ne2 Nba4 24. Rd4 Nb3 25. Rh4 g5 26. Rg4 f6 27. Rb1 Nd2 28. Rd1 h5 29. Rd4 Nb3 30. Bxb3 cxb3 31. Bh2 Rc2 32. Ng3 b2 33. Nxh5 Rc1 34. Nxf6+ Kf7 35. Be5 b1Q 36. Rd7+ Kg6 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "5"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Brito Carrascal, Camilo Andres"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "1722"]
[BlackElo "2027"]
[PlyCount "50"]
[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 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nbd2 h6 12. Bxf6 Nxf6 13. Rfe1 Ne4 14. Qd3 Nxd2 15. Qxd2 a5 16. Qc2 Bxf3 17. Bxf3 c6 18. Red1 Qb6 19. Rac1 Rfd8 20. e3 Qb4 21. Rd3 Rd7 22. h4 Rad8 23. Rcd1 Bf6 24. b3 Kf8 25. Kg2 Kg8 1/2-1/2

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "6"]
[White "Herrera Jimenez, Mateo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1553"]
[BlackElo "1722"]
[PlyCount "72"]
[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 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nc3 a6 6. dxc5 Bg4 7. Be2 e6 8. Na4 Bxc5 9. Nxc5 Qa5+ 10. Nd2 Bxe2 11. Nxb7 Bxd1 12. Nxa5 Nxa5 13. Rxd1 0-0 14. 0-0 Nc6 15. Nf3 Ne4 16. Nd4 Rfc8 17. f3 Nc5 18. c3 Na4 19. Rb1 Na5 20. Rfc1 Nc4 21. b3 Na3 22. bxa4 Nxb1 23. Rxb1 Rxc3 24. Rb3 Rc4 25. Ra3 Kf8 26. Bd6+ Ke8 27. Rb3 Ra7 28. Rb8+ Kd7 29. Be5 f6 30. Rg8 fxe5 31. Rxg7+ Kc8 32. Rxa7 exd4 33. exd4 Rxa4 34. Rxh7 Rxd4 35. Re7 Rd2 36. Rxe6 Rxa2 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "3"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Valle, Efrain"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "1722"]
[BlackElo "1974"]
[PlyCount "70"]
[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 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 c6 7. 0-0 Qc7 8. h3 e5 9. e4 Nbd7 10. Be3 Re8 11. Re1 a6 12. Rc1 Qb8 13. dxe5 dxe5 14. Qb3 b5 15. cxb5 axb5 16. Ng5 Rf8 17. a3 h6 18. Nf3 Re8 19. Nh4 Nf8 20. f4 Nh5 21. f5 g5 22. g4 Nf4 23. Bxf4 exf4 24. Nf3 Nd7 25. h4 gxh4 26. Nxh4 Ne5 27. Qd1 Qb6+ 28. Kh1 Qf2 29. Nf3 Nxg4 30. Qd6 Ne5 31. Re2 Qg3 32. Rf1 b4 33. Nxe5 Qh4+ 34. Kg1 Bxe5 35. Qxb4 Ba6 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "4"]
[White "Marquez, Benjamin"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1897"]
[BlackElo "1722"]
[PlyCount "122"]
[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 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nc3 a6 6. dxc5 Bg4 7. Be2 e6 8. Nd4 Bxe2 9. Nxc6 Bxd1 10. Nxd8 Rxd8 11. Rxd1 Bxc5 12. Bc7 Rc8 13. Be5 Be7 14. h3 0-0 15. f4 b5 16. a3 Nd7 17. Bd4 Bh4+ 18. Kd2 Bf6 19. g4 Bxd4 20. exd4 Rc4 21. Kd3 Rfc8 22. Rh2 Nf6 23. Re1 Rb8 24. b3 Rc6 25. g5 Rbc8 26. Na2 Ne4 27. Rc1 Nd6 28. c3 a5 29. Rhc2 Kf8 30. h4 Ke7 31. h5 Rh8 32. Rg1 Rg8 33. Rcg2 Nf5 34. Nc1 Rgc8 35. Ne2 R6c7 36. Ra1 Rb7 37. Rgg1 Rb6 38. Raf1 Rbc6 39. Rc1 R8c7 40. Rh1 Nd6 41. a4 bxa4 42. bxa4 Rc4 43. Ra1 Ne4 44. Rhc1 Kd6 45. Ra3 Rb7 46. Kc2 Rbb4 47. Rca1 Rc8 48. Rb1 Rxb1 49. Kxb1 f6 50. gxf6 gxf6 51. Kc2 Rb8 52. Ra1 Rg8 53. Rb1 Rg2 54. Re1 Rh2 55. Kd1 Rxh5 56. Rg1 Rh3 57. Rg7 Nxc3+ 58. Nxc3 Rxc3 59. Ra7 Rd3+ 60. Ke2 Rxd4 61. Rxa5 Rxf4 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Torres Puentes, Camila"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "1722"]
[BlackElo "1451"]
[PlyCount "69"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. Qc2 dxc4 8. Qxc4 Nb6 9. Qc2 c6 10. Rd1 Qc7 11. Nc3 Nbd5 12. a3 Bd7 13. e4 Nxc3 14. bxc3 h6 15. Rb1 c5 16. Bf4 Qa5 17. Rxb7 Ba4 18. Qd3 Bxd1 19. Rxe7 Bxf3 20. Bxf3 Qxa3 21. e5 Nd5 22. Bxd5 exd5 23. e6 f5 24. Be5 Qc1+ 25. Kg2 Qg5 26. Rxg7+ Qxg7 27. Bxg7 Kxg7 28. dxc5 a5 29. Qd4+ Kg6 30. h4 a4 31. h5+ Kxh5 32. Qg7 a3 33. Kh3 a2 34. g4+ fxg4+ 35. Qxg4# 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "1"]
[White "Obando Guzman, Soren Federico"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2029"]
[BlackElo "1722"]
[PlyCount "79"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. b3 d5 7. Bb2 dxc4 8. bxc4 Qa5 9. d3 Qh5 10. h4 Bg4 11. Qb3 Nbd7 12. Nbd2 e5 13. Rab1 Rab8 14. Qa3 a6 15. Bc3 Rfe8 16. Bb4 Bf8 17. Bxf8 Nxf8 18. Qd6 Qf5 19. e4 Qe6 20. Qa3 Qe7 21. c5 Ne6 22. Nxe5 Qxc5 23. Qxc5 Nxc5 24. d4 Rbd8 25. Nxg4 Nxg4 26. Nf3 Nxe4 27. Rxb7 Nc3 28. Ng5 Ne2+ 29. Kh1 Nxd4 30. Nxf7 Rb8 31. Rd7 Nf5 32. Bf3 Nf6 33. Ra7 Ne4 34. Bxe4 Rxe4 35. Ng5 Ra4 36. Nxh7 Rb2 37. Nf6+ Kf8 38. Re1 Nd6 39. Nd7+ Kg8 40. Re7 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.14"]
[Round "6"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Sarmiento, Juan Diego"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "1849"]
[BlackElo "1489"]
[PlyCount "90"]
[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 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Qc2 Nbd7 7. Nf3 0-0 8. 0-0 c5 9. cxd5 exd5 10. Nc3 h6 11. Rfe1 cxd4 12. Nxd4 Nc5 13. Rad1 Bg4 14. Bf4 Ne6 15. Be5 Nxd4 16. Bxd4 Qc7 17. Qb3 Be6 18. Nxd5 Nxd5 19. Bxd5 Bxd5 20. Qxd5 Bb4 21. Rc1 Rad8 22. Rxc7 Rxd5 23. Bc3 Bxc3 24. bxc3 Ra5 25. Rxb7 Rxa2 26. Rd1 Rc2 27. Rc7 a5 28. Ra1 Ra8 29. e3 a4 30. Rc4 a3 31. h4 a2 32. g4 Rb8 33. Rb4 Rxb4 34. cxb4 Rb2 35. Kg2 Kf8 36. Kf3 Ke7 37. e4 Kd6 38. Ke3 Kc6 39. f4 Kb5 40. e5 Kxb4 41. f5 Ka3 42. e6 fxe6 43. fxe6 Rb1 44. Kf2 Rxa1 45. e7 Re1 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Vargas Villalobos, Daniel Fernando"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1849"]
[BlackElo "1581"]
[PlyCount "89"]
[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 e6 3. Nf3 Nf6 4. g3 h6 5. Bg2 Bd6 6. Nbd2 b6 7. cxd5 exd5 8. 0-0 0-0 9. Qc2 Re8 10. Re1 Bb7 11. b3 c5 12. Bb2 Nc6 13. dxc5 bxc5 14. a3 Rc8 15. Rac1 Ne5 16. Nxe5 Bxe5 17. Nf3 Bxb2 18. Qxb2 Qb6 19. e3 Ne4 20. Nd2 Nf6 21. Red1 c4 22. b4 Ng4 23. Nf3 Rxe3 24. Nd4 Ree8 25. Bh3 Qg6 26. Nb5 Rc6 27. Qc2 Qh5 28. Bxg4 Qxg4 29. Rd4 Qe2 30. Rd2 Qe4 31. Qxe4 Rxe4 32. Rxd5 Rce6 33. Rdd1 Re2 34. Nd4 c3 35. Nxe2 Rxe2 36. Rxc3 g5 37. Rc7 Bf3 38. Rxa7 g4 39. Ra1 Rb2 40. Rc7 Kg7 41. Rc4 h5 42. a4 Kg6 43. a5 Be2 44. Rc6+ Kf5 45. a6 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "5"]
[White "Rueda Rojas, Richard Alejandro"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1708"]
[BlackElo "1849"]
[PlyCount "72"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. g3 0-0 7. Bg2 Bxc3 8. Bxc3 Ne4 9. Qc2 Nxc3 10. Ng5 Be4 11. Nxe4 Nxe4 12. Bxe4 Nc6 13. d5 Nb4 14. Bxh7+ Kh8 15. Qb3 Kxh7 16. Qxb4 exd5 17. cxd5 Re8 18. Qc4 c5 19. dxc6 dxc6 20. Qxf7 Qd4 21. 0-0 Qxb2 22. e3 Rf8 23. Qc4 Rxf2 24. Qe4+ Kh8 25. Rxf2 Qxa1+ 26. Rf1 Qxa2 27. Rf4 Kg8 28. Rh4 Qa1+ 29. Kg2 Qa2+ 30. Kh3 Rd8 31. Qh7+ Kf7 32. Rf4+ Ke6 33. Qg6+ Kd7 34. Rf7+ Qxf7 35. Qxf7+ Kd6 36. Qxa7 Kd5 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "3"]
[White "Diaz Larrea, Juan Manuel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1819"]
[BlackElo "1849"]
[PlyCount "121"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. h3 e5 7. Nde2 Be6 8. f4 d5 9. f5 d4 10. fxe6 fxe6 11. Bg5 Be7 12. Qd2 dxc3 13. Qxd8+ Rxd8 14. Nxc3 h6 15. Be3 Nh5 16. Bf2 0-0 17. Bc4 Rxf2 18. Kxf2 Bc5+ 19. Ke1 Ng3 20. Rf1 Nd4 21. Rf2 b5 22. Bd3 Nh1 23. Rf1 Ng3 24. Rf2 Nh1 25. Rd2 b4 26. Na4 Be7 27. c3 bxc3 28. bxc3 Bh4+ 29. Kd1 Nc6 30. Be2 Nf2+ 31. Kc2 Rxd2+ 32. Kxd2 Bg5+ 33. Kc2 Nd8 34. Bf3 Nf7 35. Nc5 Nd6 36. Nxe6 Be3 37. Re1 Bb6 38. a4 Nc4 39. Re2 Nh1 40. Kb3 Na5+ 41. Kb4 Kf7 42. Nc5 Ke7 43. Kb5 Ng3 44. Re1 g5 45. Rd1 h5 46. Rd7+ Ke8 47. Rg7 g4 48. hxg4 hxg4 49. Rxg4 Nf1 50. Rg5 Bc7 51. Ne6 Bb6 52. Rxe5 Kd7 53. Nc5+ Kd6 54. Rd5+ Kc7 55. Rd7+ Kc8 56. Bg4 Ne3 57. Bh3 Kb8 58. Rg7 Nc2 59. Na6+ Ka8 60. Rg8+ Kb7 61. Rb8# 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Garces Suaza, Carlos Daniel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1849"]
[BlackElo "1704"]
[PlyCount "65"]
[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 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Qc2 0-0 7. Bg2 c6 8. 0-0 Nbd7 9. Bg5 h6 10. Bxf6 Nxf6 11. Nbd2 b6 12. e4 dxe4 13. Nxe4 Bb7 14. Rfd1 Qc7 15. Nc3 Rfd8 16. Qe2 c5 17. Nb5 Qc8 18. d5 a6 19. Nc3 Rd6 20. Bh3 g5 21. Ne5 h5 22. dxe6 Rxe6 23. Bf5 Ng4 24. Bxe6 Qxe6 25. Nxg4 Qxe2 26. Nxe2 hxg4 27. Rd7 Bf3 28. Rxe7 Kf8 29. Re3 Rd8 30. Nc3 Rd2 31. b3 Rc2 32. Ne4 f5 33. Nxg5 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.11"]
[Round "1"]
[White "Gonzalez Bolivar, Juan Jose"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1544"]
[BlackElo "1849"]
[PlyCount "64"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bb5 Bd7 7. Be3 e5 8. Nxc6 bxc6 9. Be2 Be7 10. 0-0 0-0 11. Kh1 Rb8 12. Rb1 Qa5 13. Bd2 Be6 14. a3 Nd7 15. Qe1 f5 16. Bd3 f4 17. f3 Qd8 18. Qe2 Nb6 19. Rg1 Bh4 20. g4 fxg3 21. hxg3 Bg5 22. Kg2 Bxd2 23. Qxd2 Qf6 24. Qe2 Qg5 25. Rh1 Rf6 26. Rbg1 Rbf8 27. Rh2 Rxf3 28. Qxf3 Rxf3 29. Kxf3 Bg4+ 30. Kg2 Qd2+ 31. Kh1 Bf3+ 32. Rhg2 Qh6# 0-1

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.09"]
[Round "6"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Florez, Victor Hugo"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1795"]
[BlackElo "1600"]
[PlyCount "103"]
[EventDate "2023.04.05"]
[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 d5 2. c4 e6 3. Nf3 f5 4. g3 c6 5. Bg2 Nf6 6. 0-0 Bd6 7. b3 Nbd7 8. Bb2 0-0 9. Nc3 b6 10. e3 Bb7 11. Ne2 Rc8 12. Ng5 Qe7 13. Nf4 Bxf4 14. exf4 h6 15. Nf3 Ne4 16. Re1 c5 17. dxc5 bxc5 18. cxd5 Bxd5 19. Nd2 Ndf6 20. Bxf6 Nxf6 21. Bxd5 Nxd5 22. Qe2 Rf6 23. Nc4 Rd8 24. Ne5 Qc7 25. Rac1 Kh7 26. Qb5 Rc8 27. Nd7 Rg6 28. Rxc5 Qd8 29. Ne5 Rxc5 30. Qxc5 Rf6 31. Rd1 h5 32. h4 Qa8 33. Rd4 Rf8 34. Qc6 Qxc6 35. Nxc6 Rc8 36. Rc4 Nb6 37. Rc2 Nd5 38. Nb4 Rd8 39. Nxd5 Rxd5 40. Re2 Rd6 41. Re5 g6 42. Ra5 a6 43. Kf1 Kg7 44. Ke2 Kf6 45. Rc5 Ke7 46. Rc7+ Kf6 47. b4 e5 48. fxe5+ Kxe5 49. Ke3 Ke6 50. a4 Ke5 51. Rc5+ Kf6 52. b5 1-0

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.09"]
[Round "7"]
[White "Quitian Gallego, Felipe"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1600"]
[BlackElo "1795"]
[PlyCount "170"]
[EventDate "2023.04.05"]
[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. c4 b6 2. g3 Bb7 3. Nf3 Bxf3 4. exf3 c5 5. d4 cxd4 6. Qxd4 Nc6 7. Qd1 e6 8. Bg2 Na5 9. Qe2 Rc8 10. Nd2 Qc7 11. b3 d5 12. 0-0 dxc4 13. bxc4 Nxc4 14. Nb3 Qe5 15. Qxe5 Nxe5 16. Be3 Nf6 17. Rac1 Nc4 18. Nd2 Nd6 19. Ne4 Nfxe4 20. fxe4 Nc4 21. Bd4 Rg8 22. e5 Ba3 23. Rc2 Ke7 24. Bb7 Rc7 25. Ba6 Rd8 26. Rd1 b5 27. Bxb5 Rdc8 28. Rd3 Bb4 29. Bxa7 Nxe5 30. Rxc7+ Rxc7 31. Rb3 Rxa7 32. Rxb4 Rxa2 33. Re4 f6 34. Re2 Nf3+ 35. Kg2 Rxe2 36. Bxe2 Nd4 37. Ba6 e5 38. Bb7 Kd6 39. f3 Kc5 40. Kf2 Kc4 41. Ba6+ Kc3 42. Ke3 f5 43. g4 g6 44. Bc8 Nc2+ 45. Ke2 f4 46. Bb7 g5 47. Be4 h6 48. h3 Nd4+ 49. Ke1 Ne6 50. Ke2 Nc5 51. Bc6 Nb3 52. Be4 Kd4 53. Bb7 Nc5 54. Bc6 e4 55. fxe4 Nxe4 56. Kf3 Nc5 57. Ba8 Kd3 58. Bc6 Kd2 59. h4 Ke1 60. hxg5 hxg5 61. Bb5 Kd2 62. Bc4 Nb7 63. Bd5 Nd6 64. Bc6 Ke1 65. Bd5 Kf1 66. Bc6 Kg1 67. Bd5 Kh2 68. Bc6 Kh3 69. Bd5 Kh4 70. Be6 Nb7 71. Bd7 Nc5 72. Bf5 Nb3 73. Bd7 Nd2+ 74. Ke2 Nc4 75. Bc8 Ne5 76. Kf2 Nxg4+ 77. Kf3 Ne5+ 78. Kf2 g4 79. Bb7 Kh3 80. Kg1 Kg3 81. Ba6 Nf3+ 82. Kh1 Nd2 83. Kg1 f3 84. Kh1 Kf2 85. Bb5 g3 0-1

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.08"]
[Round "5"]
[White "Ospina Castro, Santiago"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2003"]
[BlackElo "1795"]
[PlyCount "55"]
[EventDate "2023.04.05"]
[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. Bg5 Bd7 7. Nxc6 bxc6 8. Bc4 Qa5 9. Bd2 Qc7 10. Qe2 Rb8 11. 0-0-0 Qb7 12. Bb3 Be6 13. e5 Bxb3 14. axb3 dxe5 15. Qxe5 Nd7 16. Qe2 Nc5 17. Bf4 Rc8 18. Rhe1 Ne6 19. Be5 Rg8 20. f4 g6 21. Kb1 Bg7 22. f5 Bxe5 23. Qxe5 gxf5 24. Qxf5 Rg6 25. Rf1 Rg7 26. Rd3 Nf8 27. Ne4 Rd8 28. Nf6+ 1-0

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.07"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Castaneda Jimenez, Jhon David"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "1795"]
[BlackElo "2120"]
[PlyCount "108"]
[EventDate "2023.04.05"]
[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. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qc1 Nbd7 13. Nbd2 Bd5 14. Qc2 Bxf3 15. Bxf3 c6 16. a5 e5 17. Bxf6 Bxf6 18. Qb3 Rb8 19. d5 cxd5 20. Qxd5 Qe7 21. Ne4 Rfd8 22. Rfd1 Nf8 23. Qb3 Ne6 24. e3 Rxd1+ 25. Rxd1 Rd8 26. Rxd8+ Nxd8 27. Qb6 Qe6 28. Nc5 Qxb6 29. axb6 e4 30. Bxe4 Bxb2 31. Nxb7 Nxb7 32. Bxb7 a5 33. Bd5 Kf8 34. Kf1 Ke7 35. b7 Be5 36. Ke2 Bc7 37. Kd3 f6 38. Kc4 Kd6 39. f4 g5 40. Be4 h6 41. Kb5 Ke6 42. Ka6 a4 43. Ka7 a3 44. Bb1 Kd5 45. b8Q Bxb8+ 46. Kxb8 Kc4 47. fxg5 fxg5 48. e4 h5 49. Kc7 Kd4 50. Kd6 a2 51. Bxa2 Kxe4 52. Bf7 h4 53. gxh4 gxh4 54. h3 Kf5 1/2-1/2

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.06"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Osorio Ocampo, John"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1795"]
[PlyCount "94"]
[EventDate "2023.04.05"]
[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. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 0-0 6. Nf3 d5 7. Qc2 c5 8. dxc5 Bxc5 9. cxd5 Qxd5 10. Nc3 Qh5 11. 0-0 Nc6 12. Rac1 e5 13. Ne4 Nxe4 14. Qxe4 Be7 15. Qc4 Bh3 16. Qb5 Bxg2 17. Kxg2 Rfb8 18. Rfd1 Qf5 19. Bc3 f6 20. Qc4+ Kh8 21. e4 Qg4 22. h3 Qc8 23. Nh4 Nd8 24. Qe2 Qe6 25. Qh5 Nf7 26. Rd5 Bb4 27. Rcd1 Ng5 28. Ng6+ Kg8 29. Nxe5 Bxc3 30. bxc3 Nxe4 31. Nd7 Re8 32. Nc5 Nxc5 33. Rxc5 b6 34. Rc7 Rad8 35. c4 Rxd1 36. Qxd1 h6 37. Qf3 Kh7 38. Rc6 Qe2 39. Qf5+ Kh8 40. Rxb6 Qxc4 41. Qxa5 Qe4+ 42. Kg1 Rc8 43. Qd2 Rc2 44. Qd1 Rxa2 45. Rb8+ Kh7 46. Rd8 Rb2 47. Rd3 Ra2 1/2-1/2

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.06"]
[Round "3"]
[White "Lopez, Juan E"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1676"]
[BlackElo "1795"]
[PlyCount "58"]
[EventDate "2023.04.05"]
[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. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 d6 6. exd6 Qxd6 7. Na3 Nc6 8. Nb5 Qd8 9. Bc4 a6 10. Bxd5 axb5 11. Qb3 e6 12. Be4 dxc3 13. 0-0 Be7 14. Qxb5 Bf6 15. bxc3 0-0 16. Be3 Ra5 17. Qb3 Qe7 18. Rac1 e5 19. Rfd1 Be6 20. c4 Rfa8 21. Bxc6 bxc6 22. Bb6 Ra3 23. Qc2 g6 24. Qe4 Qb4 25. Bc7 Rxa2 26. Nxe5 Bf5 27. Qxc6 Qb2 28. f4 Bh3 29. Nd3 Bd4+ 0-1

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.05"]
[Round "1"]
[White "Marquez Leon, Jaime Jatnyel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1451"]
[BlackElo "1795"]
[PlyCount "32"]
[EventDate "2023.04.05"]
[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. Nc3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d4 cxd4 7. Nxd4 g6 8. Bg5 Bg7 9. Bxf6 Bxf6 10. Qd3 Nc6 11. Nxc6 bxc6 12. h3 Qb7 13. b3 Qb4 14. 0-0 Qxc3 15. Qe2 0-0 16. Rad1 a5 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.02"]
[Round "7"]
[White "Guerrero, Gabriel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1957"]
[BlackElo "1795"]
[PlyCount "82"]
[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 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Bd3 Qb6 6. b3 Bg4 7. Ne2 e6 8. 0-0 Be7 9. h3 Bh5 10. a4 cxd4 11. exd4 0-0 12. b4 Qd8 13. a5 a6 14. Nd2 Bd6 15. g4 Bg6 16. Bxg6 hxg6 17. Bxd6 Qxd6 18. f4 Rac8 19. Nb3 Na7 20. Nc5 Qc7 21. Qd3 Nb5 22. Rf3 Nd6 23. Raf1 Nc4 24. Ng3 Nd7 25. g5 Nxc5 26. dxc5 Rcd8 27. Qd4 e5 28. fxe5 Nxe5 29. Rf4 Nc6 30. Qd2 d4 31. c4 Ne5 32. Qa2 Nd3 33. R4f3 Nxb4 34. Qb3 Qxc5 35. Ne4 Qc6 36. Nd2 Qc5 37. h4 d3+ 38. Kg2 Nc2 39. Kh3 Nd4 40. Qxb7 Nxf3 41. Rxf3 Qc8+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.04.02"]
[Round "6"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Gonzalez Delgado, Hugo Andres"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1795"]
[BlackElo "1898"]
[PlyCount "59"]
[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. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. a3 Bxd2+ 10. Qxd2 0-0 11. Be2 d6 12. 0-0 a5 13. Rac1 a4 14. Rfd1 b6 15. Qc3 Re8 16. Bxe5 Qxe5 17. Bf3 Qxc3 18. Rxc3 Ra5 19. Rd5 Re5 20. Rxa5 Rxa5 21. Bc6 Kf8 22. c5 bxc5 23. Rc4 Ra6 24. Rxa4 Rxc6 25. Ra8 Ke7 26. Rxc8 Rb6 27. Rxc7+ Ke6 28. b4 cxb4 29. axb4 Rxb4 30. g3 1/2-1/2

[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 "2023.04.01"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Sierra, Henry Alberto"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1795"]
[BlackElo "1464"]
[PlyCount "37"]
[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. c4 e6 3. g3 d5 4. Nf3 c6 5. Bg2 Nbd7 6. Qc2 Be7 7. 0-0 0-0 8. Nbd2 Re8 9. Rd1 Nf8 10. e4 Ng6 11. h4 Qc7 12. cxd5 exd5 13. e5 Nh5 14. Nf1 f6 15. Re1 fxe5 16. Nxe5 Nxe5 17. dxe5 Bb4 18. Bxd5+ cxd5 19. Qxc7 1-0

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.03.31"]
[Round "1"]
[White "Dulcey Buitrago, John Jairo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1600"]
[BlackElo "1795"]
[PlyCount "46"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 Nf8 9. 0-0-0 Ne6 10. Bxf6 Bxf6 11. Nge2 g6 12. f3 0-0 13. Qd2 c5 14. Kb1 cxd4 15. exd4 Nxd4 16. Nxd4 Bxd4 17. Ne2 Bg7 18. Bc2 Qf6 19. Qd4 Qa6 20. Qe3 Bd7 21. Bb3 Rfe8 22. Qf4 Rxe2 23. Rd2 Rae8 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2023.03.31"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Dangond Tarazona, Camila Ivanna"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1795"]
[BlackElo "1438"]
[PlyCount "53"]
[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. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 N8d7 6. Nf3 e6 7. Bd3 c5 8. Be3 Be7 9. a4 a5 10. 0-0 0-0 11. Rc1 cxd4 12. Nxd4 Nf6 13. Ndb5 Nbd7 14. Qe2 Ne5 15. Bb1 Bd7 16. Rfd1 Rc8 17. Ba2 Bb4 18. Bg5 h6 19. Bh4 Bxc3 20. bxc3 Qe7 21. f4 Ng6 22. Bg3 Bxb5 23. axb5 Nd7 24. f5 Nge5 25. fxe6 fxe6 26. Kh1 Nb6 27. Bxe5 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2022.12.17"]
[Round "3"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Moreno Hernandez, Andres Mauricio"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1839"]
[BlackElo "1488"]
[PlyCount "135"]
[EventDate "2022.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 Bd6 7. Qb3 Qb6 8. Nc3 Nbd7 9. Bf4 Bxf4 10. gxf4 0-0 11. c5 Qc7 12. e3 Ne4 13. Qd1 Bg4 14. h3 Bh5 15. Ne2 f6 16. Ng3 Nxg3 17. fxg3 e5 18. g4 Bf7 19. Qd2 Rfe8 20. b4 Re7 21. a4 a6 22. Rab1 b5 23. h4 Rae8 24. axb5 axb5 25. Rbe1 exf4 26. exf4 Nf8 27. Rxe7 Rxe7 28. Ne1 Qd7 29. Bf3 f5 30. g5 Qe8 31. Nd3 Nd7 32. Ra1 Bh5 33. Ne1 Bxf3 34. Nxf3 Re2 35. Ra8 Qxa8 36. Qxe2 Qa1+ 37. Kg2 Kf7 38. h5 g6 39. hxg6+ hxg6 40. Ne5+ Nxe5 41. Qxe5 Qb2+ 42. Kh3 Qc3+ 43. Kh4 Qd2 44. Qf6+ Ke8 45. Qxg6+ Kf8 46. Qf6+ Kg8 47. g6 Qf2+ 48. Kg5 Qg2+ 49. Kxf5 Qe4+ 50. Kg5 Qg2+ 51. Kh5 Qf3+ 52. Kh4 Qh1+ 53. Kg4 Qg2+ 54. Kh5 Qf3+ 55. Kh6 Qh3+ 56. Kg5 Qg2+ 57. Kh4 Qh1+ 58. Kg3 Qg1+ 59. Kf3 Qf1+ 60. Ke3 Qe1+ 61. Kf3 Qf1+ 62. Kg4 Qg2+ 63. Kh5 Qf3+ 64. Kh6 Qh3+ 65. Kg5 Qg2+ 66. Kf5 Qe4+ 67. Kg5 Qg2+ 68. Kh5 1/2-1/2

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2022.12.16"]
[Round "2"]
[White "Becker Newmark, Jeronimo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1556"]
[BlackElo "1839"]
[PlyCount "80"]
[EventDate "2022.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Qb3 Qc8 7. Be2 e6 8. h3 Be7 9. Ngf3 h6 10. 0-0 0-0 11. Rac1 c4 12. Qd1 b5 13. a3 a5 14. Ne5 Nxe5 15. dxe5 Nd7 16. Bf3 Nc5 17. Ra1 Rd8 18. g4 Bh7 19. Bg2 Rb8 20. Kh2 Nd3 21. b4 cxb3 22. Qxb3 Qc7 23. Bg3 Rdc8 24. Bxd5 exd5 25. e6 Bd6 26. exf7+ Kh8 27. Qxd5 Bxg3+ 28. fxg3 Rf8 29. g5 Qe5 30. Qd4 Qxg5 31. Ne4 Qe7 32. Nf6 gxf6 33. Rxf6 Qe5 34. Qh4 Qg5 35. Qd4 Qg7 36. Raf1 Rb7 37. Qd5 Rc7 38. e4 Rxc3 39. Qd6 Rc2+ 40. Kh1 Bxe4+ 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2022.12.16"]
[Round "1"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Sarmiento, Juan Diego"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1839"]
[BlackElo "1533"]
[PlyCount "96"]
[EventDate "2022.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. g3 dxc4 5. Bg2 c5 6. 0-0 Be7 7. dxc5 0-0 8. Qc2 Qc7 9. Bf4 Qxc5 10. Nbd2 Na6 11. Rac1 Nb4 12. Qb1 b5 13. Be3 Qc7 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Rfd1 Qe7 17. a3 Nbd5 18. e4 Nc7 19. e5 Nfd5 20. Ne4 h6 21. Nd4 Bd7 22. a4 a6 23. Nc3 Nxc3 24. bxc3 Rab8 25. Bc6 Rfd8 26. Qe4 Qc5 27. axb5 axb5 28. Re1 Nd5 29. Bxd7 Rxd7 30. h4 Nxc3 31. Rxc3 Qxd4 32. Qf3 b4 33. Rce3 b3 34. Re4 Qd2 35. R4e2 Qb4 36. Qc6 Rd5 37. Rc1 b2 38. Rxb2 Qxb2 39. Rxc4 Rxe5 40. Rf4 Re1+ 41. Kh2 Qb1 42. Qf3 Qb7 43. Qxb7 Rxb7 44. g4 Rb3 45. Kg2 Kf8 46. g5 hxg5 47. hxg5 Rbb1 48. Kf3 Rg1 0-1

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.10.09"]
[Round "8.2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Martinez, Julian"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "1692"]
[BlackElo "2180"]
[PlyCount "80"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Santander Chessfy"]
[BlackTeam "Santander"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 f5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d6 7. Nc3 Bd7 8. Qb3 Bc8 9. Rd1 c6 10. Bg5 Qc7 11. Bxf6 Bxf6 12. e4 fxe4 13. Nxe4 Be7 14. Neg5 h6 15. Ne4 Nd7 16. Rac1 Nf6 17. Nxf6+ Bxf6 18. d5 e5 19. Nd2 Bg5 20. dxc6 bxc6 21. h4 Bxd2 22. Rxd2 Bg4 23. Qd3 Rad8 24. Qe4 Bd7 25. Rcd1 Rf6 26. g4 Rf4 27. Qg6 Bxg4 28. f3 Bf5 29. Qg3 Be6 30. b3 d5 31. cxd5 cxd5 32. Re2 Qb6+ 33. Kh2 Qd6 34. Kg1 Rdf8 35. Rde1 R8f5 36. Rc1 e4 37. fxe4 dxe4 38. Bh3 Rf1+ 39. Bxf1 Qxg3+ 40. Rg2 Qe3+ 0-1

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "7.2"]
[White "Cabrales Almanza, Josue Ricardo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1790"]
[BlackElo "1692"]
[PlyCount "62"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Cordoba"]
[BlackTeam "Santander Chessfy"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 Nf6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 a6 10. Qh4 d6 11. Rd1 Qc7 12. b3 Ne4 13. Nd5 Qd8 14. Bxe4 Bxa1 15. Nxe7+ Kh8 16. Bxg6 fxg6 17. Nxg6+ Kg8 18. Ne7+ Kh8 19. Bg5 Qe8 20. Rxa1 Qf7 21. Qd4+ Qg7 22. Be3 Be6 23. Rd1 Rad8 24. Qh4 Rf6 25. Bd4 Rdf8 26. Bxf6 Qxf6 27. Qxf6+ Rxf6 28. Rxd6 Kg7 29. Nd5 Rh6 30. Nf4 Bf5 31. Rxh6 Kxh6 1-0

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "2.2"]
[White "Palomino Escobar, Daniel Fernando"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1846"]
[BlackElo "1692"]
[PlyCount "67"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Cundinamarca"]
[BlackTeam "Santander Chessfy"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. d4 cxd4 5. cxd4 Nf6 6. d5 Ne5 7. Nxe5 dxe5 8. Nc3 g6 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. 0-0 Bg7 12. Qb3 0-0 13. Be3 Ng4 14. Bc5 Rfc8 15. Ba3 Kh8 16. h3 Nf6 17. Rad1 Ne8 18. d6 exd6 19. Rd5 Rc6 20. Rfd1 Rd8 21. Nb5 Rb6 22. Qd3 Bf8 23. Nc3 Nf6 24. Ra5 a6 25. Nd5 Nxd5 26. Rxd5 Qe6 27. b3 Rc6 28. Bb2 f6 29. f4 exf4 30. Qf3 Rc2 31. Bd4 g5 32. h4 Bg7 33. hxg5 fxg5 34. Bxg7+ 1-0

[Event "COL-chT"]
[Site "Bucaramanga"]
[Date "2022.09.09"]
[Round "7.2"]
[White "De la Hoz, Rafael"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1606"]
[BlackElo "1757"]
[PlyCount "72"]
[EventDate "2022.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Magdalena"]
[BlackTeam "Santander Chessfy"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 b6 2. Nf3 Bb7 3. g3 Bxf3 4. exf3 c5 5. Bg2 Nc6 6. Nc3 e6 7. d3 Nge7 8. Bg5 h6 9. Bd2 Nf5 10. a3 Be7 11. Rb1 0-0 12. 0-0 Rc8 13. f4 a6 14. Be3 Qc7 15. Qh5 g6 16. Qh3 h5 17. g4 hxg4 18. Qxg4 Kg7 19. Ne4 Nxe3 20. fxe3 f5 21. Qg3 fxe4 22. Bxe4 Rf6 23. Kf2 Rh8 24. Rg1 Rh6 25. h4 e5 26. f5 Rxf5+ 27. Ke2 Bxh4 28. Qg4 Rf2+ 29. Kd1 g5 30. Rh1 Qd8 31. b4 cxb4 32. axb4 b5 33. cxb5 axb5 34. Ra1 Qe7 35. Ra8 Qxb4 36. Qxd7+ Ne7 0-1

[Event "COL-chT"]
[Site "Bucaramanga"]
[Date "2022.09.07"]
[Round "2.2"]
[White "Moreno Hernandez, Andres Mauricio"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1511"]
[BlackElo "1757"]
[PlyCount "64"]
[EventDate "2022.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Santander Gladiatores"]
[BlackTeam "Santander Chessfy"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3 Be6 9. Be2 a5 10. a4 0-0 11. 0-0 Nb4 12. f4 exf4 13. Bxf4 Nxc2 14. Qxc2 Qb6+ 15. Nd4 Qxd4+ 16. Kh1 Rac8 17. Rad1 Qb4 18. Qb1 Bb3 19. Rd3 Nxe4 20. Nxe4 Bc2 21. Qa1 Bxd3 22. Bxd3 Qd4 23. Qb1 f5 24. Ng5 Bxg5 25. Bxg5 Rc5 26. h3 h6 27. Bh4 Qxh4 28. Bxf5 Rfxf5 29. Rxf5 Rxf5 30. Qxf5 Qe1+ 31. Kh2 Qe5+ 32. Qxe5 dxe5 0-1

[Event "COL-chT"]
[Site "Bucaramanga"]
[Date "2022.09.06"]
[Round "1.2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Hernandez Banquett, Bryan Steven"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1757"]
[BlackElo "1971"]
[PlyCount "93"]
[EventDate "2022.09.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]
[WhiteTeam "Santander Chessfy"]
[BlackTeam "Cordoba"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 Bd6 6. c4 c6 7. Qb3 Qc8 8. Nc3 Nbd7 9. Bf4 Bxf4 10. gxf4 0-0 11. cxd5 exd5 12. Nh4 Nb6 13. Qd1 Nc4 14. b3 Nd6 15. Rc1 Qe6 16. Kh1 Rfe8 17. e3 Bg4 18. Bf3 Bxf3+ 19. Qxf3 Nfe4 20. Nxe4 Nxe4 21. Qg2 Kh8 22. f3 Nd6 23. Rg1 Qf6 24. Qf2 Re7 25. Rg5 Rae8 26. Re5 Qh6 27. Rg1 f6 28. Rxe7 Rxe7 29. Rg4 Qh5 30. Ng6+ hxg6 31. Rh4 Qxh4 32. Qxh4+ Kg8 33. Qg4 Kf7 34. h4 f5 35. Qg1 Ne8 36. a4 Nf6 37. Kg2 Re8 38. b4 a6 39. Qc1 Re6 40. Kf2 Ne8 41. Qc5 Nf6 42. Ke2 Re7 43. Qb6 Rd7 44. Kd3 Re7 45. b5 axb5 46. axb5 cxb5 47. Qxb5 1/2-1/2

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.21"]
[Round "8"]
[White "Gonzalez Velasco, Leandro"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B61"]
[WhiteElo "2116"]
[BlackElo "1696"]
[PlyCount "87"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. 0-0-0 Nxd4 9. Qxd4 Qa5 10. Bd2 Qc5 11. Qxc5 dxc5 12. h3 e5 13. Bc4 a6 14. a4 Bxa4 15. Nxa4 b5 16. Bb3 bxa4 17. Bxa4+ Ke7 18. Bc3 Nxe4 19. Bxe5 f6 20. Bh2 Kf7 21. Rhe1 Ng5 22. f4 h6 23. fxg5 hxg5 24. Rd7+ Kg6 25. c4 Rh4 26. Bc2+ Kh6 27. b3 Rd4 28. Rxd4 cxd4 29. Re4 Rd8 30. Bd3 Bb4 31. h4 Bc3 32. hxg5+ Kxg5 33. Bf4+ Kh5 34. g4+ Kh4 35. Bd2 Bxd2+ 36. Kxd2 Rb8 37. Bc2 Kg3 38. Rxd4 Rh8 39. c5 Kf3 40. c6 Rc8 41. Rc4 Rd8+ 42. Kc3 a5 43. c7 Rc8 44. Bf5 1-0

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.21"]
[Round "9"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Dominguez, Ramiro"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1696"]
[BlackElo "2248"]
[PlyCount "138"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. b3 Nc6 4. Bb2 Nf6 5. d4 Bf5 6. a3 e6 7. Bg2 Rc8 8. e3 cxd4 9. exd4 Qa5+ 10. Nbd2 Qa6 11. Bf1 Qb6 12. Bg2 Be7 13. 0-0 0-0 14. Rc1 Ne4 15. Nxe4 Bxe4 16. Qd2 h6 17. h4 Bf6 18. Ne5 Bxe5 19. dxe5 Bh7 20. Rfd1 Rc7 21. Bf1 Rfc8 22. Bd3 Bxd3 23. Qxd3 Ne7 24. h5 a5 25. Bd4 Qc6 26. c4 Qa6 27. Be3 a4 28. c5 axb3 29. Qxb3 Nf5 30. g4 Nh4 31. Qb2 d4 32. Bxd4 Qc6 33. f4 Qf3 34. Qf2 Qxg4+ 35. Kf1 Qh3+ 36. Ke1 Nf5 37. Rc3 Qh1+ 38. Kd2 Qxh5 39. Kc2 Rd7 40. Rdd3 Rcd8 41. Rc4 Qh1 42. a4 Qe4 43. Kc3 Ne7 44. Qf3 Qe1+ 45. Kb2 Qh4 46. Rd1 Nf5 47. Bf2 Qh2 48. Rxd7 Rxd7 49. Rc2 Nh4 50. Qe4 Ng6 51. Be3 Qh3 52. Rd2 Rd5 53. Rxd5 exd5 54. Qd4 Qg2+ 55. Kb3 Ne7 56. Qd3 Nc6 57. Bd2 h5 58. Be1 Qg1 59. Qh3 Nd4+ 60. Kc3 Ne6 61. Bd2 Qd4+ 62. Kc2 Qxa4+ 63. Kb1 Nd4 64. Qd3 h4 65. Be3 Qb3+ 66. Qxb3 Nxb3 67. Kc2 h3 68. Bg1 Nd4+ 69. Kd3 Nf3 0-1

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.20"]
[Round "7"]
[White "Alvarez Lora, Amaury Antonio"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B88"]
[WhiteElo "2036"]
[BlackElo "1696"]
[PlyCount "112"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. 0-0 Be7 8. a3 Bd7 9. Ba2 0-0 10. Kh1 Nxd4 11. Qxd4 Bc6 12. Bg5 Qa5 13. f4 h6 14. Bh4 Qh5 15. Bg3 Rfd8 16. f5 e5 17. Qd3 Rd7 18. b4 Qg4 19. h3 Qg5 20. Bh2 a6 21. Rad1 Rad8 22. Qf3 b5 23. Rd3 a5 24. Rfd1 Ra8 25. Bb3 axb4 26. axb4 Rda7 27. Bg1 Ra1 28. Kh2 Qf4+ 29. Qxf4 exf4 30. Nd5 Nxd5 31. Bxd5 Bxd5 32. Rxa1 Rxa1 33. Rxd5 Rc1 34. Rxb5 Rxc2 35. Kh1 Re2 36. Rb8+ Kh7 37. Re8 Bf6 38. b5 Re1 39. e5 Bxe5 40. b6 Rb1 41. Kh2 f3+ 42. Rxe5 dxe5 43. gxf3 g5 44. Bc5 Kg7 45. Kg3 Kf6 46. Kg4 h5+ 47. Kxh5 Kxf5 48. Be3 f6 49. Kh6 Rb3 50. Bc5 Rxf3 51. Kg7 Rxh3 52. Kf7 g4 53. Ke8 Ke6 54. Bb4 Rh8+ 55. Bf8 Rxf8+ 56. Kxf8 Kd7 0-1

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.19"]
[Round "6"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Mora Munoz, Alejandro"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "1696"]
[BlackElo "1973"]
[PlyCount "55"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 a6 10. h3 Re8 11. Be3 Ne5 12. b3 c5 13. Nde2 Nc6 14. Rc1 Rb8 15. f4 Bf8 16. Qd2 Bd7 17. g4 b5 18. cxb5 axb5 19. Ng3 b4 20. Nce2 h6 21. Rfd1 Qb6 22. f5 Ne5 23. Bxh6 Bxh6 24. Qxh6 c4+ 25. Kh1 Nd3 26. Rxd3 cxd3 27. g5 Nh7 28. f6 1-0

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.18"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Vargas Benavides, Mauricio"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1696"]
[BlackElo "2094"]
[PlyCount "42"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. 0-0 dxc4 8. e3 b5 9. a4 c6 10. Ne5 Ra6 11. Nxc6 Rxc6 12. Bxc6 Nxc6 13. axb5 Ne7 14. Bxb4 axb4 15. Qc2 Qd5 16. Nd2 Bb7 17. f3 Rc8 18. Ra5 Nf5 19. Qa4 Nxe3 20. Rf2 Qxd4 21. Qxb4 Nd1 0-1

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.18"]
[Round "3"]
[White "Rubiano Aguirre, Alan Samuel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "1696"]
[PlyCount "52"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 0-0 6. 0-0 Nbd7 7. Re1 c5 8. c3 b6 9. e4 dxe4 10. Nxe4 cxd4 11. Nxd4 Bb7 12. Bf4 e5 13. Nxf6+ Bxf6 14. Bh6 exd4 15. Be4 Bxe4 16. Rxe4 Re8 17. Rxe8+ Qxe8 18. Qf3 dxc3 19. bxc3 Bg7 20. Bg5 Rc8 21. Rc1 h6 22. Bd2 Nc5 23. Re1 Qd7 24. Qe3 Rd8 25. Rd1 Re8 26. Qf3 Qxd2 0-1

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.17"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Loaiza Cuervo, Santiago"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1696"]
[BlackElo "2082"]
[PlyCount "78"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. Nc3 Nc6 7. 0-0 a6 8. h3 Rb8 9. a4 Na5 10. Qd3 Nb3 11. Ra3 Nxc1 12. Rxc1 c5 13. Rb3 cxd4 14. Nxd4 Qc7 15. e4 Bd7 16. Kh2 Rfc8 17. Bf1 Qc5 18. Rc2 Nxe4 19. Qxe4 Qxd4 20. Qxe7 Bc6 21. Qg5 Re8 22. Rd2 Qa7 23. Bg2 Re5 24. Qg4 Rbe8 25. Bxc6 bxc6 26. Nd1 d5 27. cxd5 cxd5 28. Ne3 Re4 29. Qf3 d4 30. Nc2 h5 31. Kg2 Qd7 32. Rb4 h4 33. Rd3 hxg3 34. Kxg3 Qc7+ 35. Kg2 Qxc2 36. Rb7 R4e7 37. Rxe7 Rxe7 38. Qa8+ Kh7 39. Qf3 Re2 0-1

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.17"]
[Round "1"]
[White "Torres Soto, Angel Emmanuel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1696"]
[PlyCount "36"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 e6 5. d3 Nc6 6. Bg5 Be7 7. 0-0 a6 8. Bxf6 Bxf6 9. a3 0-0 10. h3 b5 11. Ba2 Bb7 12. Nh2 b4 13. Na4 bxa3 14. Rb1 axb2 15. Re1 Qa5 16. c4 Nb4 17. Qd2 Qxa4 18. g3 Qxa2 0-1

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.05"]
[Round "8"]
[White "Giraldo, Emanuel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1680"]
[BlackElo "1746"]
[PlyCount "72"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Be3 Qc7 9. f4 d6 10. Qf3 Be7 11. 0-0 0-0 12. Rad1 Bd7 13. g4 Nb4 14. g5 Ne8 15. f5 Bc6 16. Qg3 exf5 17. exf5 d5 18. Qxc7 Nxc7 19. f6 Bd6 20. fxg7 Rfe8 21. Bb6 Ne6 22. Bf5 Nxg7 23. a3 Nxf5 24. Rxf5 Nxc2 25. Nxd5 Bxd5 26. Rdxd5 Ne3 27. Bxe3 Rxe3 28. Rxd6 Rxb3 29. Rf2 Kg7 30. Rd7 Rf8 31. Kg2 a5 32. Rd6 a4 33. Rdf6 b6 34. R6f4 b5 35. Rf6 b4 36. axb4 Rxb4 1/2-1/2

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.05"]
[Round "9"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Florez, Nestor Enrique"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1746"]
[PlyCount "69"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 e6 6. Nbd2 Nbd7 7. 0-0 Be7 8. b3 0-0 9. Nh4 Bg6 10. Nxg6 hxg6 11. Qc2 b6 12. Bb2 Qc7 13. cxd5 exd5 14. Rac1 Rac8 15. e4 dxe4 16. Nxe4 Nxe4 17. Qxe4 Qd6 18. Rxc6 Rxc6 19. Qxc6 Qxc6 20. Bxc6 Nb8 21. Bf3 f5 22. d5 Rd8 23. Re1 Bf6 24. Bxf6 gxf6 25. d6 Nd7 26. Rd1 Ne5 27. Be2 Kf7 28. f4 Ke6 29. fxe5 fxe5 30. Bc4+ Kf6 31. Kf2 g5 32. Ke3 f4+ 33. gxf4 gxf4+ 34. Ke4 a5 35. Rd5 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.04"]
[Round "7"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Rueda Rojas, Richard Alejandro"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1746"]
[BlackElo "1499"]
[PlyCount "64"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 g6 5. g3 Bg7 6. Bg2 0-0 7. Nc3 a6 8. 0-0 d6 9. h3 Nbd7 10. e4 Ne5 11. b3 Bd7 12. Be3 Rc8 13. Rc1 Nc6 14. Qe2 Nxe4 15. Bxe4 Nxd4 16. Bxd4 Bxd4 17. Bxb7 Bxh3 18. Rfd1 Rb8 19. Bxa6 Bxc3 20. Rxc3 Qa5 21. Re3 Qxa6 22. g4 Bxg4 23. Qxg4 Qxa2 24. Rxe7 Rxb3 25. Rxd6 Rb1+ 26. Kg2 Qa1 27. Qd4 Rg1+ 28. Kf3 Qf1 29. Re4 Qh3+ 30. Ke2 Qh5+ 31. Ke3 Re1+ 32. Kd2 Rd1+ 0-1

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.04"]
[Round "6"]
[White "Molina Ballesteros, Juan Sebastian"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1704"]
[BlackElo "1746"]
[PlyCount "95"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Qd2 Nc6 11. Nb3 b5 12. Rb1 Bb7 13. Be2 Nf6 14. f3 Nh5 15. Bf2 Nf4 16. 0-0 0-0 17. Nd5 Nxe2+ 18. Qxe2 Ne5 19. Ne3 Kh7 20. c3 e6 21. Rbd1 Qe7 22. Nd4 Rad8 23. Bg3 Ng6 24. Rd2 d5 25. exd5 Bxd5 26. a3 Qc5 27. Rfd1 Nf4 28. Bxf4 gxf4 29. Nxd5 Rxd5 30. Kf1 Re5 31. Qd3+ Kh8 32. Re2 Rh5 33. h3 Rd8 34. Red2 Rhd5 35. Qe4 Qc4+ 36. Qe2 e5 37. Qxc4 bxc4 38. Nb3 Rd3 39. Rxd3 cxd3 40. Nc5 Rb8 41. b4 a5 42. Rxd3 axb4 43. cxb4 Rb5 44. Rd7 Bf8 45. Rb7 Rxb7 46. Nxb7 Kg7 47. Nc5 Kf6 48. Nd7+ 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.03"]
[Round "5"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Loaiza Cuervo, Santiago"]
[Result "0-1"]
[ECO "A64"]
[WhiteElo "1746"]
[BlackElo "1846"]
[PlyCount "76"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 g6 5. Nf3 exd5 6. cxd5 Bg7 7. g3 d6 8. Bg2 0-0 9. 0-0 Re8 10. Nd2 a6 11. a4 Nbd7 12. Nc4 Nb6 13. Qb3 Nxc4 14. Qxc4 b5 15. Qd3 c4 16. Qd1 b4 17. Nb1 Bf5 18. f3 a5 19. e4 Qb6+ 20. Kh1 Bc8 21. Re1 Nd7 22. Be3 Qc7 23. Bd4 Ne5 24. Bxe5 Bxe5 25. Qc2 Ba6 26. Bf1 Rab8 27. Nd2 b3 28. Qc1 Rb4 29. f4 Bg7 30. Ra3 Bxb2 31. Qxb2 c3 32. Qb1 cxd2 33. Rd1 Bxf1 34. Rxf1 Qc2 35. e5 Qxb1 36. Rxb1 dxe5 37. d6 exf4 38. d7 Re1+ 0-1

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.03"]
[Round "4"]
[White "Ortiz Monsalve, Sebastian"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1603"]
[BlackElo "1746"]
[PlyCount "90"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 a6 9. Be2 Be7 10. 0-0 0-0 11. f4 d6 12. Qe1 b5 13. Qg3 Kh8 14. Rad1 Bb7 15. Bf3 b4 16. axb4 Nxb4 17. Nd4 Rac8 18. Rd2 Nc6 19. Nxc6 Bxc6 20. Bd4 Rg8 21. Re1 Qb7 22. b3 d5 23. exd5 Nxd5 24. Nxd5 Bxd5 25. Bxd5 Qxd5 26. Re5 Qc6 27. Rh5 Qe4 28. Re5 Qg6 29. Qxg6 hxg6 30. Rd3 Rgd8 31. Ra5 Rxc2 32. Kf1 Bf6 33. Ra4 Rdc8 34. Bxf6 gxf6 35. Rxa6 Rb2 36. Rad6 Rc1+ 37. Rd1 Rcc2 38. R6d4 Rf2+ 39. Kg1 Rxg2+ 40. Kf1 Rxh2 41. Kg1 Rh3 42. b4 Rhb3 43. f5 Rxb4 44. Rd8+ Kg7 45. fxe6 fxe6 0-1

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.02"]
[Round "2"]
[White "Hernandez Jimenez, Jeronimo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2139"]
[BlackElo "1746"]
[PlyCount "93"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. d3 Nc6 6. 0-0 g6 7. h3 Bg7 8. Be3 0-0 9. Nbd2 e5 10. d4 exd4 11. cxd4 cxd4 12. Nxd4 d5 13. Nxc6 Bxc6 14. e5 Ne4 15. Bd4 Qe7 16. f4 Ng3 17. Re1 Qh4 18. Bg4 h5 19. Bf2 hxg4 20. Kh2 gxh3 21. Bxg3 Qh8 22. gxh3 Bd7 23. h4 Bh6 24. Nf3 Rac8 25. Kg2 Bf5 26. Nd4 Be4+ 27. Kf2 Rc4 28. b3 Rc3 29. Re3 Rfc8 30. Rxc3 Rxc3 31. Rc1 Rd3 32. Rc8+ Kg7 33. Qg4 Rxd4 34. Rxh8 Bf5 35. Qf3 Kxh8 36. Qc3 Rd3 37. Qa5 Be4 38. Bh2 Rf3+ 39. Ke2 Rh3 40. Bg1 Bxf4 41. Qd8+ Kh7 42. Qf6 Bh6 43. Qxf7+ Bg7 44. e6 Bd3+ 45. Kd2 Bf5 46. e7 Rd3+ 47. Ke2 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.02"]
[Round "3"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Giraldo Alvarez, Simon"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "1746"]
[BlackElo "1569"]
[PlyCount "83"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 d6 4. g3 Bg7 5. Bg2 0-0 6. Nc3 Nbd7 7. 0-0 c6 8. e4 e5 9. h3 Qc7 10. Be3 exd4 11. Nxd4 Re8 12. Rc1 Nc5 13. Qc2 Ne6 14. Nf3 Nd7 15. Rfd1 Ne5 16. Nd2 h6 17. f4 Nd7 18. Nf3 Kh7 19. g4 Nb6 20. b3 Rd8 21. f5 Nf8 22. Bf4 Qe7 23. h4 f6 24. g5 h5 25. Ne2 d5 26. fxg6+ Nxg6 27. exd5 cxd5 28. c5 Nd7 29. Rxd5 Qe6 30. gxf6 Bxf6 31. Rxh5+ Kg7 32. Ng5 Bxg5 33. Rxg5 Re8 34. h5 Ndf8 35. hxg6 Qxe2 36. Qc3+ Kg8 37. Bf3 Qe7 38. Re5 Ne6 39. Bd5 Qg7 40. Qh3 Qf6 41. Qh7+ Kf8 42. Bh6+ 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2022.06.01"]
[Round "1"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Sanchez Bermudez, Jeronimo"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1746"]
[BlackElo "1177"]
[PlyCount "65"]
[EventDate "2022.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Bd6 6. 0-0 Nbd7 7. Nbd2 0-0 8. Qc2 Re8 9. e4 dxe4 10. Ng5 h6 11. Ngxe4 Nxe4 12. Nxe4 Nf6 13. Nxd6 Qxd6 14. Rd1 e5 15. dxe5 Qxe5 16. Bf4 Qf5 17. Qb3 g5 18. Be3 Ng4 19. Bd4 c5 20. Be3 Nxe3 21. fxe3 Qe5 22. Rd5 Qe7 23. Rf1 Be6 24. Re5 Qd6 25. Qc3 f5 26. Bxb7 Rab8 27. Rxe6 Rxe6 28. Bd5 Rf8 29. Qd3 Kg7 30. Rxf5 Rxf5 31. Qxf5 Rf6 32. Qc8 Qe7 33. Qg8# 1-0

[Event "COL Intercollegiate-ch"]
[Site "Manizales"]
[Date "2022.04.29"]
[Round "7.4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Soler Gonzalez, Juan Fernando"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1628"]
[BlackElo "1572"]
[PlyCount "53"]
[EventDate "2022.04.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 b6 7. cxd5 exd5 8. Nc3 Bb7 9. Bf4 Nbd7 10. Rc1 c6 11. Ne5 Nxe5 12. dxe5 Nd7 13. e4 dxe4 14. Bxe4 Nc5 15. Bc2 Ne6 16. Be3 Qb8 17. f4 Rd8 18. Qg4 Nd4 19. Bb1 Bc8 20. Qh5 g6 21. Qh6 Nf5 22. Bxf5 Bxf5 23. g4 Bxg4 24. Ne4 f5 25. exf6 Bf8 26. f7+ Kh8 27. Qxf8+ 1-0

[Event "COL Intercollegiate-ch"]
[Site "Manizales"]
[Date "2022.04.28"]
[Round "6.6"]
[White "Ducuara Alape, Ronaldo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1634"]
[BlackElo "1628"]
[PlyCount "104"]
[EventDate "2022.04.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. Be3 0-0 10. f4 exf4 11. Rxf4 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Rf1 b6 15. Bf3 Bxf3 16. Qxf3 Ne5 17. Qg3 Ng6 18. Rad1 Qc8 19. Nd4 Bh4 20. Qf3 Bf6 21. c3 Qc4 22. a3 Rad8 23. Nf5 Qb3 24. Rxd8 Rxd8 25. Bd4 Bxd4+ 26. Nxd4 Qd5 27. Qf5 f6 28. Qxd5+ Rxd5 29. Nc6 Rd7 30. Re1 Rc7 31. Nd8 Ne5 32. Rd1 Re7 33. Rd6 Nc4 34. Nc6 Rc7 35. Re6 Nxb2 36. Nd8 h5 37. Re8+ Kh7 38. Ne6 Rxc3 39. Re7 Rxa3 40. Rxg7+ Kh6 41. Rg8 Nd3 42. h4 Ra4 43. Rg3 Ne5 44. Rg7 a5 45. Rb7 Rb4 46. g3 Ng6 47. Ng7 Nxh4 48. gxh4 Rg4+ 49. Kf2 Rxg7 50. Rxb6 Ra7 51. Rxf6+ Kg7 52. Rf3 Rf7 0-1

[Event "COL Intercollegiate-ch"]
[Site "Manizales"]
[Date "2022.04.27"]
[Round "3.2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Hernandez Jimenez, Jeronimo"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1628"]
[BlackElo "2007"]
[PlyCount "44"]
[EventDate "2022.04.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. Ne5 c5 7. Be3 Nd5 8. Nxc4 Nxe3 9. fxe3 Ra7 10. 0-0 b5 11. Ne5 f6 12. Nc6 Nxc6 13. Bxc6+ Bd7 14. Be4 Bd6 15. Qc2 Qc7 16. Bxh7 f5 17. Bg6+ Ke7 18. e4 Bxg3 19. Rf3 Bxh2+ 20. Kf1 cxd4 21. Qd2 f4 22. e5 Qxe5 0-1

[Event "COL Intercollegiate-ch"]
[Site "Manizales"]
[Date "2022.04.27"]
[Round "4.6"]
[White "Ramirez Andrade, Leonardo Jesus"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "B88"]
[BlackElo "1628"]
[PlyCount "41"]
[EventDate "2022.04.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. Be3 a6 10. Qd2 Ng4 11. Rad1 Nxe3 12. Qxe3 Qc7 13. Nce2 Na5 14. Ng3 b5 15. Kh1 Bb7 16. Bxe6 fxe6 17. Nxe6 Qxc2 18. Nxf8 Bxf8 19. Qb6 Qa4 20. Rd4 Qxa2 21. b4 1-0

[Event "COL Intercollegiate-ch"]
[Site "Manizales"]
[Date "2022.04.26"]
[Round "1.7"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Sierra Castillo, Elio De Jesus"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "1628"]
[PlyCount "163"]
[EventDate "2022.04.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 Nbd7 8. Qxc4 Nb6 9. Qc2 h6 10. e4 Bd7 11. Rd1 Rb8 12. Bf4 Rc8 13. Nc3 c6 14. a4 a5 15. Rac1 Na8 16. Qe2 Nc7 17. Ne5 Nh7 18. Nc4 Bg5 19. Bxg5 Qxg5 20. f4 Qe7 21. Nxa5 Qb4 22. Nc4 Rfd8 23. Ne5 Be8 24. Qd2 Qb6 25. Kh1 Nf6 26. g4 Nd7 27. Nf3 Qb4 28. g5 h5 29. Ne1 Nb6 30. Nc2 Qb3 31. Na1 Qb4 32. b3 Rd7 33. Nc2 Qe7 34. a5 Nba8 35. Na4 Nb5 36. Nc5 Rdd8 37. Bh3 b6 38. axb6 Nxb6 39. Qe3 Nd7 40. Nb7 Nb6 41. Nxd8 Rxd8 42. d5 c5 43. dxe6 Rxd1+ 44. Rxd1 Bc6 45. exf7+ Kxf7 46. Bg2 Kg8 47. b4 Nd7 48. Qb3+ Kh7 49. Qc4 Nb6 50. Qxc5 Qxc5 51. bxc5 Na4 52. Nb4 Nac3 53. Re1 Be8 54. c6 Na7 55. Rc1 Ne2 56. Rc5 Nxf4 57. c7 Bd7 58. Bf1 Ne6 59. Rd5 Bc8 60. Na6 Bxa6 61. Bxa6 Nxc7 62. Rd7 Nxa6 63. Rxa7 Nc5 64. Re7 Kg8 65. g6 Kf8 66. Rf7+ Ke8 67. Rf5 Nd7 68. Rxh5 Ke7 69. Rg5 Kf6 70. Rg4 Ne5 71. Rg3 Nxg6 72. Rxg6+ Kxg6 73. Kg2 Kf6 74. Kf3 Ke5 75. h4 g6 76. Ke3 Ke6 77. Kf4 Kf6 78. e5+ Kg7 79. Kg5 Kf7 80. e6+ Kxe6 81. Kxg6 Ke7 82. Kg7 1-0

[Event "COL Intercollegiate-ch"]
[Site "Manizales"]
[Date "2022.04.26"]
[Round "2.7"]
[White "Zea Parra, Luis Estiven"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1462"]
[BlackElo "1628"]
[PlyCount "50"]
[EventDate "2022.04.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. c3 d6 6. Bc4 Nf6 7. Qd3 e5 8. Nxc6 bxc6 9. 0-0 Be7 10. Bb3 a5 11. Na3 Be6 12. Bxe6 fxe6 13. Nc4 Qc7 14. Qh3 d5 15. exd5 exd5 16. Ne3 0-0 17. Nf5 Bc5 18. Nxg7 Kxg7 19. Bh6+ Kh8 20. Bxf8 Rxf8 21. Kh1 Ne4 22. Qe6 Nxf2+ 23. Rxf2 Rxf2 24. Qe8+ Rf8 25. Re1 Rxe8 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.11"]
[Round "8"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Peinado, Giovanny"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1628"]
[BlackElo "2157"]
[PlyCount "5"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 1/2-1/2

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.11"]
[Round "7"]
[White "Jaimes, Fredy Alexander"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B61"]
[WhiteElo "1857"]
[BlackElo "1628"]
[PlyCount "72"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Qa5 8. Nb3 Qb6 9. Be2 e6 10. 0-0-0 Na5 11. Nxa5 Qxa5 12. f4 h6 13. Bxf6 gxf6 14. f5 h5 15. Kb1 a6 16. Rhe1 b5 17. fxe6 fxe6 18. Bf3 0-0-0 19. Qe3 Kb8 20. e5 Bh6 21. Qe4 d5 22. Qg6 fxe5 23. Rxe5 Bf4 24. Ree1 Bxh2 25. Qg5 Rc8 26. Rh1 b4 27. Nxd5 exd5 28. Qe7 Bf5 29. Rxd5 Bxc2+ 30. Ka1 Qb6 31. Rd7 Bc7 32. Rc1 Rh7 33. Qxh7 Bxh7 34. Rxh7 b3 35. axb3 Qa5+ 36. Kb1 Qf5+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.10"]
[Round "6"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Suarez Pinto, Sergio Rafael"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1628"]
[BlackElo "1866"]
[PlyCount "112"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Nbd7 5. Bg2 c6 6. 0-0 Bd6 7. Nbd2 b5 8. b3 bxc4 9. bxc4 Ba6 10. Qa4 Qc8 11. Qc2 0-0 12. Re1 Bb4 13. a3 Ba5 14. Bb2 Nb6 15. Ne5 Bxd2 16. Qxd2 Nxc4 17. Qc2 Nxe5 18. dxe5 Nd7 19. a4 Re8 20. a5 Rb8 21. f4 Bc4 22. Ba3 Qa6 23. f5 Bb3 24. Qd2 Nxe5 25. Qg5 f6 26. Qh5 exf5 27. Qxf5 Qc8 28. Qh5 Qg4 29. Qxg4 Nxg4 30. e4 d4 31. Bc5 d3 32. Bxa7 Ra8 33. Be3 Nxe3 34. Rxe3 Bc2 35. Bf3 Re5 36. a6 c5 37. Kf2 c4 38. Ra3 Kf8 39. Ke1 Ke7 40. Kd2 Ra7 41. Re1 Kd6 42. Rea1 Kc7 43. Kc3 Bb3 44. g4 Kb6 45. h4 Kc7 46. Bg2 Kd6 47. Bf3 Rc5 48. Kd4 Rcc7 49. Bg2 d2 50. Bf3 Ke7 51. Bd1 Rd7+ 52. Kc3 Bxd1 53. Rxd1 Rd3+ 54. Kb2 Rxa3 55. Kxa3 Rxa6+ 56. Kb4 Rd6 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.10"]
[Round "5"]
[White "Moreno Vega, Jose Miguel"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1819"]
[BlackElo "1628"]
[PlyCount "48"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. f3 c5 5. Bg5 cxd4 6. Qxd4 Nc6 7. Qd2 d4 8. Ne4 Bb4 9. Nc3 dxc3 10. Qxd8+ Nxd8 11. Kf2 cxb2 12. Rb1 Ba3 13. e4 e5 14. Bd3 Ne6 15. Be3 0-0 16. Ne2 Rd8 17. Bc2 b6 18. g4 Ba6 19. Bb3 Rac8 20. Nc3 Bxc4 21. Bxc4 Rxc4 22. Nb5 Rc2+ 23. Kg3 Bc5 24. g5 Nxe4+ 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.09"]
[Round "4"]
[White "Becker Newmark, Jeronimo"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "1620"]
[BlackElo "1628"]
[PlyCount "50"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 g6 9. Be2 Bg7 10. Nxd5 Qxd5 11. Be3 0-0 12. 0-0 Rd8 13. Qd2 Nxd4 14. Nxd4 Bxd4 15. Rfd1 e5 16. Bf3 Qb5 17. Bg5 Re8 18. Rac1 Qb6 19. Rc2 Bf5 20. Rc4 a5 21. g4 Be6 22. Rc2 Bxa2 23. Rdc1 e4 24. Bxe4 Rxe4 25. Rc8+ Re8 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.09"]
[Round "3"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Martinez, Julian"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1628"]
[BlackElo "2142"]
[PlyCount "93"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. e3 a6 7. Be2 g6 8. 0-0 Bg7 9. b3 0-0 10. Bb2 d6 11. Rc1 Bd7 12. Na4 Qc7 13. c5 Nxd4 14. Bxd4 Bxa4 15. bxa4 Rad8 16. Qb3 d5 17. c6 bxc6 18. Bb6 Qe5 19. Bxd8 Rxd8 20. Rxc6 Ne4 21. Qc2 Bf6 22. Rc8 Rxc8 23. Qxc8+ Kg7 24. Bd3 a5 25. Qa8 Nc5 26. Bb5 d4 27. exd4 Qxd4 28. Qxa5 Ne4 29. Qe1 Nd2 30. a5 Nxf1 31. Kxf1 Qb2 32. a4 Bc3 33. Qd1 Bxa5 34. g3 e6 35. Qf3 Qc1+ 36. Kg2 Qc7 37. h4 h5 38. g4 hxg4 39. Qxg4 Qe5 40. Be8 Kf8 41. Bc6 Bc7 42. Bb5 Qh2+ 43. Kf1 Bb6 44. Qg3 Qh1+ 45. Ke2 Bd8 46. Qc3 Qxh4 47. a5 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.08"]
[Round "1"]
[White "Florez, Leidy Lucila"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1419"]
[BlackElo "1628"]
[PlyCount "80"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Ng4 7. Nxc6 bxc6 8. Bc1 g6 9. Be2 Nf6 10. 0-0 Bg7 11. f4 0-0 12. Be3 a5 13. f5 Rb8 14. Rb1 Nd7 15. Kh1 Ne5 16. Qd2 e6 17. g4 d5 18. Bh6 Qh4 19. Bg5 Qh3 20. f6 Bh8 21. Rg1 Nf3 22. Bxf3 Qxf3+ 23. Qg2 Qxg2+ 24. Rxg2 d4 25. Ne2 Rb5 26. Bh6 Rd8 27. Rf2 e5 28. h3 Rd6 29. Bg5 Be6 30. b3 c5 31. Kg2 a4 32. Bd2 axb3 33. axb3 Ra6 34. g5 c4 35. Nc1 Bd7 36. h4 Bc6 37. Re2 Ra3 38. Kf2 Bd7 39. Kf3 h5 40. Rf2 Be6 0-1

[Event "Bucaramanga Santander-ch"]
[Site "Bucaramanga"]
[Date "2022.04.08"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Pabon Villamizar, Alberth Santiago"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1628"]
[PlyCount "111"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 Bf5 5. e3 e6 6. b3 Bd6 7. Be2 Nbd7 8. Bb2 Ne4 9. 0-0 Qf6 10. Nxe4 dxe4 11. Nd2 Qh4 12. g3 Qh3 13. Re1 h5 14. Bf1 Qg4 15. Qxg4 Bxg4 16. Nxe4 Be7 17. Be2 f5 18. Nc3 Nf6 19. e4 fxe4 20. Bxg4 hxg4 21. Nxe4 Nxe4 22. Rxe4 Kd7 23. Rxg4 Bf6 24. Re1 Rae8 25. Bc1 e5 26. dxe5 Rxe5 27. Rxe5 Bxe5 28. Bf4 Bf6 29. Be3 Rh5 30. Bd4 Ke6 31. Bxf6 gxf6 32. Rg7 b5 33. cxb5 Rxb5 34. Rxa7 c5 35. h4 c4 36. bxc4 Rc5 37. a4 Rxc4 38. h5 Rc8 39. h6 Rh8 40. h7 Kd6 41. Rb7 Kc6 42. Rf7 Kc5 43. Rxf6 Rxh7 44. a5 Kb5 45. a6 Kc4 46. Rb6 Ra7 47. g4 Kc5 48. Rg6 Kd5 49. Kg2 Ke5 50. Kg3 Rf7 51. Rb6 Ra7 52. f4+ Ke4 53. g5 Kf5 54. Rf6+ Ke4 55. g6 Rg7 56. Kg4 1-0

[Event "Gran Canaria Online Blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2022.02.27"]
[Round "3"]
[White "Cori Tello, Deysi Estella"]
[Black "Hernandez Serrano, Cristhian Daniel"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2391"]
[BlackElo "1628"]
[PlyCount "141"]
[EventDate "2022.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "ESP"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bf4 Nbd7 6. e3 b6 7. Bd3 Bb7 8. 0-0 Be7 9. e4 dxe4 10. Nxe4 c5 11. Qe2 0-0 12. Rfd1 Nxe4 13. Bxe4 Bxe4 14. Qxe4 Nf6 15. Qe2 Qc8 16. h3 Rd8 17. Rac1 cxd4 18. Nxd4 Bc5 19. Nb5 Qc6 20. Nc3 Bd4 21. Nb5 Bc5 22. Bg5 Be7 23. b3 h6 24. Nd4 Rxd4 25. Rxd4 hxg5 26. Rcd1 Bc5 27. Rd8+ Rxd8 28. Rxd8+ Kh7 29. Qd3+ Qe4 30. Qxe4+ Nxe4 31. Rd7 Bxf2+ 32. Kf1 Kg6 33. Rxa7 b5 34. Rc7 Bg3 35. Rc6 bxc4 36. bxc4 Kf6 37. a4 Ke5 38. a5 Kd4 39. Ke2 Nc5 40. Kf3 Be5 41. a6 Bb8 42. Kg4 Kxc4 43. Rc8 Ba7 44. Rc7 Bb6 45. a7 Bxa7 46. Rxa7 e5 47. Rxf7 Ne6 48. Kf5 Nf4 49. Kxg5 Nxg2 50. Rxg7 Kd5 51. h4 Nf4 52. Kf5 Nh5 53. Rd7+ Kc4 54. Rh7 Nf4 55. Kxe5 Nd3+ 56. Kf6 Nf4 57. h5 Nd5+ 58. Kg6 Kd4 59. h6 Nf4+ 60. Kf5 Nd5 61. Rd7 Kc5 62. Rxd5+ Kxd5 63. h7 Kd6 64. h8Q Ke7 65. Qf6+ Kd7 66. Qe6+ Kc7 67. Ke5 Kb7 68. Qd6 Ka7 69. Qb4 Ka6 70. Kd6 Ka7 71. Kc7 1-0

[Event "Gran Canaria Online Blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2022.02.27"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Alimov, Fedor"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "1628"]
[BlackElo "1380"]
[PlyCount "88"]
[EventDate "2022.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "ESP"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. b3 Nbd7 8. Bb2 b6 9. Qc2 Bb7 10. Nbd2 Qc7 11. Ne5 c5 12. cxd5 Nxd5 13. Nxd7 Qxd7 14. Rfd1 cxd4 15. Bxd4 Rac8 16. Qb2 Bf6 17. Nf3 Bxd4 18. Nxd4 Qe7 19. e4 Nc3 20. Rd3 Nxe4 21. Re3 Nd6 22. Bh3 Rc5 23. Bxe6 fxe6 24. Nxe6 Qf7 25. Nxf8 Qxf8 26. Rae1 Rc7 27. Qe5 Rf7 28. Qe6 h6 29. Rd1 Nf5 30. Re5 Kh7 31. Rd7 Rxd7 32. Qxd7 Nd6 33. Re7 Qf6 34. f4 Qa1+ 35. Kf2 Qxa2+ 36. Re2 Ne4+ 37. Ke3 Qxb3+ 38. Kd4 Qb4+ 39. Ke5 Qc3+ 40. Kf5 Qf6+ 41. Kg4 h5+ 42. Kh3 Nc5 43. Qe7 Qf5+ 44. g4 Qxg4# 0-1

[Event "Gran Canaria Online Blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2022.02.27"]
[Round "2"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Siddharthan, Anandan"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1628"]
[BlackElo "1378"]
[PlyCount "83"]
[EventDate "2022.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "ESP"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 b6 5. cxd5 exd5 6. Bg2 Bb7 7. 0-0 Nbd7 8. Nc3 a6 9. Qc2 Bd6 10. Bf4 Bxf4 11. gxf4 0-0 12. Ne5 c5 13. e3 Rc8 14. Qf5 cxd4 15. exd4 Re8 16. Rac1 g6 17. Qh3 Rc7 18. Rfe1 b5 19. a3 Kg7 20. f5 Nxe5 21. dxe5 Ne4 22. Nxe4 dxe4 23. f6+ Kh8 24. Rcd1 Qc8 25. Qh6 Rg8 26. Re3 Rc1 27. Rf1 Rxf1+ 28. Bxf1 Qc1 29. b4 Bd5 30. Kg2 Bc4 31. Bxc4 bxc4 32. Qh4 h5 33. Qxe4 Rc8 34. e6 Qb2 35. e7 Qxf6 36. e8Q+ Rxe8 37. Qxe8+ Kh7 38. Qe5 Qc6+ 39. f3 c3 40. Rxc3 Qb5 41. Rc7 Qe2+ 42. Qxe2 1-0

