[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.10"]
[Round "8"]
[White "Rico Hernandez, Edgar"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "1701"]
[BlackElo "1558"]
[PlyCount "27"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 0-0 7. Rc1 c6 8. Bd3 Re8 9. 0-0 Bd6 10. e4 dxe4 11. Nxe4 Be7 12. Qc2 Nxe4 13. Bxe7 Qxe7 14. Bxe4 1/2-1/2

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.09"]
[Round "7"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Gonzalez Delgado, Hugo Andres"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1558"]
[BlackElo "1945"]
[PlyCount "44"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 0-0 6. e3 a6 7. c5 a5 8. Bd3 b6 9. cxb6 c5 10. Bxf6 gxf6 11. Qb3 Qd7 12. dxc5 Bxc5 13. Na4 Bb4+ 14. Nc3 Ba6 15. Bxa6 Rxa6 16. a3 Bxc3+ 17. bxc3 Qd6 18. 0-0 Rxb6 19. Qa4 Nd7 20. Qxa5 Rfb8 21. Qa4 Nc5 22. Qg4+ Kh8 0-1

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "5"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Solano Trillos, Thaliana"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1558"]
[BlackElo "1369"]
[PlyCount "53"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Bd6 7. c5 Bc7 8. b4 b5 9. Bd3 a5 10. a3 0-0 11. e4 dxe4 12. Bxe4 Ra6 13. 0-0 e5 14. d5 h6 15. dxc6 Nb8 16. Qxd8 Bxd8 17. Bxf6 Bxf6 18. c7 Nc6 19. Nd5 Bg5 20. Nb6 Ne7 21. Rfd1 f5 22. Nxg5 fxe4 23. Nxe4 axb4 24. axb4 Rxa1 25. Rxa1 Kf7 26. Nd6+ Ke6 27. Ra8 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.08"]
[Round "6"]
[White "Negron Arias, Juan Carlos"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1872"]
[BlackElo "1558"]
[PlyCount "20"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. f3 Qb6 1/2-1/2

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "3"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Florez, Leidy Lucila"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "1558"]
[BlackElo "1192"]
[PlyCount "33"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 h6 6. Bh4 e6 7. e3 Be7 8. Bd3 dxc4 9. Bxc4 0-0 10. Qc2 Re8 11. Rd1 Nd5 12. Bxe7 Qxe7 13. 0-0 N7f6 14. Rfe1 Qc7 15. e4 Nb6 16. Bb3 Bd7 17. e5 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.07"]
[Round "4"]
[White "Hurtado Paez, Andres Jesus"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1624"]
[BlackElo "1558"]
[PlyCount "71"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e5 7. Nf3 b5 8. Bb3 Nc6 9. Bg5 Be7 10. Nd5 Nxe4 11. Nxe7 Nxe7 12. Bd5 Qa5+ 13. c3 Nxd5 14. Qxd5 Nxg5 15. Qxa8 Nxf3+ 16. Qxf3 Qc7 17. 0-0 0-0 18. Rad1 Bb7 19. Qg3 f5 20. f4 Rf6 21. Rf2 Qc5 22. Re1 Rg6 23. Qe3 Qc6 24. Qd2 Qc5 25. Kh1 e4 26. Qd4 Qc6 27. Re3 Qc4 28. b3 Qxd4 29. cxd4 Re6 30. Rc2 Re7 31. Kg1 Kf7 32. Kf2 Ke6 33. Rec3 Kd5 34. Ke3 b4 35. Rc7 Rxc7 36. Rxc7 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "1"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Cupaban Alonso, Luciana"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1558"]
[BlackElo "1221"]
[PlyCount "31"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Qc2 h6 8. Bh4 b6 9. Rc1 Bb7 10. cxd5 exd5 11. Be2 Rc8 12. Qa4 a5 13. 0-0 0-0 14. a3 b5 15. Qc2 a4 16. b4 1-0

[Event "Bucaramanga op"]
[Site "Bucaramanga"]
[Date "2023.09.06"]
[Round "2"]
[White "Rueda Rojas, Richard Alejandro"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1867"]
[BlackElo "1558"]
[PlyCount "43"]
[EventDate "2023.09.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. d4 Bf5 5. 0-0 e6 6. c4 Nb4 7. Na3 Be7 8. Qa4+ c6 9. c5 a5 10. Bd2 Na6 11. Ne5 Nd7 12. Nxd7 Qxd7 13. Qxa5 0-0 14. Qc3 Rfb8 15. Bf4 Nc7 16. f3 b6 17. e4 dxe4 18. fxe4 Bg4 19. cxb6 Bxa3 20. bxc7 Bxb2 21. cxb8Q+ Rxb8 22. Rab1 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.14"]
[Round "6"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Becker Newmark, Jeronimo"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1554"]
[BlackElo "1572"]
[PlyCount "96"]
[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 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Nc3 c6 6. Bd3 Bg4 7. h3 Bh5 8. Qe2+ Qe7 9. Qxe7+ Nxe7 10. g4 Bg6 11. Ne5 f6 12. Nxg6 Nxg6 13. Ne2 Kf7 14. Bd2 Re8 15. 0-0-0 Nd7 16. f4 Re7 17. h4 Rae8 18. h5 Ngf8 19. Ng3 g6 20. hxg6+ hxg6 21. Rh3 b5 22. Nf1 Ne6 23. f5 gxf5 24. Bxf5 Nxd4 25. Bxd7 Ne2+ 26. Kb1 Rxd7 27. Rh7+ Ke6 28. Rh3 Rg7 29. Re1 Kd7 30. Rf3 Re6 31. Ne3 Nd4 32. Rf2 Bg3 33. Ref1 Bxf2 34. Rxf2 Rge7 35. c3 Rxe3 36. Bxe3 Rxe3 37. cxd4 Ke6 38. Kc1 Re4 39. Rc2 Kd6 40. Rf2 Ke7 41. Rc2 Rxg4 42. Rxc6 Rxd4 43. Rc7+ Ke6 44. Rxa7 f5 45. Kc2 f4 46. Ra8 Kf5 47. Kc3 Re4 48. Rd8 f3 1/2-1/2

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "4"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Guarin Fonseca, Nobel Alfredo"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1554"]
[BlackElo "1773"]
[PlyCount "62"]
[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 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 c6 7. Qd2 b5 8. a3 Bb7 9. Bd3 Nbd7 10. e5 Ne8 11. Bh6 dxe5 12. dxe5 Nc5 13. 0-0-0 Nxd3+ 14. cxd3 b4 15. axb4 a5 16. bxa5 Rxa5 17. Kc2 c5 18. Ra1 Bxh6 19. Qxh6 Bxf3 20. gxf3 Ng7 21. Qd2 Nf5 22. Ne2 Rb5 23. Qc3 Qd7 24. Ra4 Rxb2+ 25. Kxb2 Qxa4 26. Ra1 Qc6 27. Ng1 Nd4 28. Ra5 Rb8+ 29. Ka2 Qb6 30. f4 Qb1+ 31. Ka3 Rb3+ 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.13"]
[Round "5"]
[White "Pabon Arevalo, Emmanuel Alejandro"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1717"]
[BlackElo "1554"]
[PlyCount "57"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d6 6. 0-0 Bg4 7. Bg5 Qd7 8. d4 exd4 9. cxd4 Bxf3 10. gxf3 h6 11. Be3 Nh7 12. dxc5 Ng5 13. Kh1 Qh3 14. Bxc6+ bxc6 15. Nd2 dxc5 16. Rg1 0-0-0 17. Rg3 Qh4 18. Qa4 f5 19. f4 Nh3 20. Nf3 Qh5 21. Qa6+ Kd7 22. Ne5+ Ke7 23. Bxc5+ Kf6 24. Rg6+ Qxg6 25. Nxg6 Kxg6 26. Rg1+ Kf7 27. Qxc6 Nxf4 28. Qxc7+ Ke8 29. Qe7# 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "2"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Ortega Rueda, Nicolas"]
[Result "1-0"]
[ECO "D66"]
[WhiteElo "1554"]
[BlackElo "1246"]
[PlyCount "75"]
[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. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Be7 7. Bd3 0-0 8. Qc2 Re8 9. 0-0 Nf8 10. Rac1 h6 11. Bh4 Qc7 12. Bxf6 Bxf6 13. cxd5 exd5 14. Nxd5 Qd6 15. Nxf6+ Qxf6 16. Bc4 Bf5 17. Qb3 b5 18. Bd3 Bg4 19. Ne5 Be6 20. Qa3 Bd7 21. Be4 Re6 22. Rc2 Rxe5 23. dxe5 Qe6 24. f4 f5 25. Bf3 Ng6 26. Rd1 Nh4 27. Be2 Ng6 28. Rd6 Qf7 29. Bh5 Qe7 30. Bxg6 Qh4 31. g3 Qg4 32. Qd3 b4 33. Rxd7 Qxg6 34. Rd6 Qf7 35. b3 Qf8 36. Rcxc6 Re8 37. Rc7 a5 38. Rdd7 1-0

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.12"]
[Round "3"]
[White "Moreno Hernandez, Andres Mauricio"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1470"]
[BlackElo "1554"]
[PlyCount "52"]
[EventDate "2023.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 Bb4 5. d3 h6 6. Bd2 d6 7. a3 Ba5 8. h3 Be6 9. 0-0 0-0 10. Nh2 Nd7 11. f4 f5 12. exf5 Bxf5 13. Bg4 Bb6+ 14. Kh1 Nd4 15. Nd5 Nf6 16. Nxb6 axb6 17. fxe5 Bxg4 18. Nxg4 dxe5 19. Nxe5 Qd5 20. Nf3 Nh5 21. Rf2 Ng3+ 22. Kg1 Rae8 23. Nxd4 Qxd4 24. Be1 Re2 25. c3 Rfxf2 26. Qxe2 Nxe2+ 0-1

[Event "COL-ch U18"]
[Site "Bogota"]
[Date "2023.05.11"]
[Round "1"]
[White "Munoz Triana, Joseph Steve"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1888"]
[BlackElo "1554"]
[PlyCount "73"]
[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. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nge2 d5 6. exd5 exd5 7. d4 cxd4 8. Nxd4 Bc5 9. Qe2+ Qe7 10. Qxe7+ Kxe7 11. Nb3 Bb4 12. 0-0 Bxc3 13. bxc3 Be6 14. Re1 Rhe8 15. Ba3+ Kd7 16. Nc5+ Kc7 17. Bc1 Na5 18. Bf4+ Kc6 19. Nd3 b6 20. Be5 Rac8 21. Nb4+ Kc5 22. Rad1 Red8 23. a4 Nc4 24. Bd4+ Kd6 25. Bxf6 gxf6 26. Bxd5 Bxd5 27. Rxd5+ Kc7 28. Re7+ Kb8 29. Nc6+ Rxc6 30. Rxd8+ Rc8 31. Rxc8+ Kxc8 32. Rxf7 Kb8 33. Rxh7 Nb2 34. h4 Nxa4 35. h5 Nxc3 36. h6 Ne4 37. Rg7 1-0

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.15"]
[Round "9"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Ortiz Lopera, Miguel Angel"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1426"]
[BlackElo "1651"]
[PlyCount "74"]
[EventDate "2022.05.11"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Ba7 9. Bg5 h6 10. Bh4 Bg4 11. Bd5 Qd7 12. Bxf6 gxf6 13. h3 Bxf3 14. Qxf3 Ke7 15. Bxc6 Qxc6 16. d5 Qd7 17. Na3 Rag8 18. Nc2 Rg5 19. Nb4 Ke8 20. Kh2 Rhg8 21. Rg1 f5 22. Nd3 fxe4 23. Qxe4 f5 24. Qe2 Kd8 25. g3 Qf7 26. Rad1 Qg6 27. Nb4 Bb6 28. a4 f4 29. g4 h5 30. a5 hxg4 31. axb6 g3+ 32. fxg3 Rxg3 33. Qf2 Rxh3+ 34. Kxh3 Qf5+ 35. Rg4 Qxg4+ 36. Kh2 Qh5+ 37. Qh4+ Qxh4# 0-1

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.15"]
[Round "8"]
[White "Toro Castaneda, Miguel Angel"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2041"]
[BlackElo "1426"]
[PlyCount "53"]
[EventDate "2022.05.11"]
[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. Nf3 c6 2. g3 Nf6 3. Bg2 d5 4. 0-0 h6 5. d3 Bf5 6. Nbd2 e6 7. Re1 Be7 8. Nh4 Bh7 9. b3 Ng4 10. Nhf3 Qb6 11. d4 e5 12. h3 Nxf2 13. Kxf2 e4 14. c3 exf3 15. exf3 Kd7 16. f4 Na6 17. Qg4+ f5 18. Rxe7+ Kxe7 19. Qxg7+ Kd6 20. Ba3+ c5 21. Nc4+ dxc4 22. dxc5+ Nxc5 23. Rd1+ Ke6 24. Bd5+ Kd6 25. Qe5+ Kd7 26. Be6+ Ke8 27. Bxc5 1-0

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.14"]
[Round "7"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Banol Banol, Jose Daniel"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1426"]
[BlackElo "1500"]
[PlyCount "101"]
[EventDate "2022.05.11"]
[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. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 0-0 6. Nbd2 b6 7. Bd3 Bb7 8. 0-0 Nbd7 9. cxd5 exd5 10. Rc1 c5 11. Bb1 Rc8 12. dxc5 bxc5 13. Qc2 g6 14. b3 Qb6 15. Qc3 Qd6 16. Rfd1 Qb8 17. Bd3 Rfe8 18. Bb5 Bc6 19. Bxc6 Rxc6 20. Bf4 Qb7 21. Ne5 Nxe5 22. Bxe5 Nd7 23. Bf4 Bf8 24. Nf3 Rcc8 25. Qd3 Nb6 26. Ne5 Red8 27. Ng4 Bg7 28. Qb5 Qd7 29. Qxd7 Rxd7 30. Be5 Bxe5 31. Nxe5 Rdc7 32. Kf1 f6 33. Nf3 c4 34. Rc2 cxb3 35. Rxc7 Rxc7 36. axb3 Kf7 37. Nd4 Ke7 38. Ke2 Rb7 39. Rc1 Nd7 40. Ra1 Nb8 41. Kd3 Kd6 42. Kc3 Ke5 43. b4 Ke4 44. Ra4 f5 45. Nf3 Rc7+ 46. Kb3 Kd3 47. Ra2 Rc3+ 48. Ka4 Nc6 49. Rd2+ Kc4 50. Rd4+ Nxd4 51. Ne5# 1-0

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.14"]
[Round "6"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Urueta Gonzalez, Yeiren David"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1426"]
[BlackElo "1518"]
[PlyCount "121"]
[EventDate "2022.05.11"]
[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. Bd3 e6 5. 0-0 g6 6. Bc2 Bg7 7. d3 0-0 8. Be3 Nbd7 9. Re1 b6 10. Nbd2 Bb7 11. Nf1 Ng4 12. Bd2 Re8 13. h3 Nge5 14. Ne3 d5 15. Nxe5 Nxe5 16. f4 Nd7 17. e5 f5 18. d4 c4 19. Ba4 Rf8 20. Bxd7 Qxd7 21. Rf1 Qe7 22. Qf3 Qh4 23. Be1 Qe7 24. Nc2 a5 25. Na3 Ba6 26. Nb1 b5 27. b3 cxb3 28. axb3 b4 29. Rf2 Bb5 30. Rfa2 Rfc8 31. Rxa5 Rxa5 32. Rxa5 bxc3 33. Nxc3 Be8 34. Nb5 Bxb5 35. Rxb5 Qa3 36. b4 Qa1 37. Qf2 Rc1 38. Kf1 Qa6 39. Qe2 Rc4 40. Ra5 Qb6 41. Qe3 Rxd4 42. Bf2 Rd1+ 43. Ke2 Qxe3+ 44. Bxe3 Rb1 45. b5 Bf8 46. b6 Rb2+ 47. Kd3 Rb3+ 48. Ke2 Rb2+ 49. Kd1 Rb3 50. Kc2 Rxe3 51. Rb5 Bc5 52. Rxc5 Re2+ 53. Kb3 Re1 54. Rc2 Re3+ 55. Kb4 Re1 56. Rb2 d4 57. b7 d3 58. b8Q+ Kg7 59. Qd8 Re4+ 60. Kc3 Rxf4 61. Qg5 1-0

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.13"]
[Round "5"]
[White "Cubides Ferreira, Andres Felipe"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "1500"]
[BlackElo "1426"]
[PlyCount "64"]
[EventDate "2022.05.11"]
[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 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 0-0 6. Bg5 d6 7. Nf3 Nc6 8. 0-0 Qe8 9. Rc1 Qf7 10. d5 Nd8 11. Re1 Ne4 12. Bd2 e5 13. e3 Nxd2 14. Qxd2 b6 15. h3 a5 16. Re2 Nb7 17. e4 Nc5 18. exf5 Bxf5 19. g4 Bd7 20. Ng5 Qf4 21. Nge4 Rae8 22. Nxc5 bxc5 23. Ne4 Rb8 24. b3 h5 25. Qxf4 Rxf4 26. gxh5 gxh5 27. Rc3 h4 28. Nd2 Kf7 29. Re4 Rxe4 30. Nxe4 Bf5 31. Kf1 Bh6 32. Nd2 Bxd2 0-1

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.13"]
[Round "4"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Bolanos Lopez, Juan Jacobo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1426"]
[BlackElo "1701"]
[PlyCount "92"]
[EventDate "2022.05.11"]
[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. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 d6 6. Nc3 g6 7. d4 cxd4 8. Qxd4 Nf6 9. Bg5 Bg7 10. 0-0-0 0-0 11. e5 Ng4 12. Rhe1 h6 13. Bh4 g5 14. Bg3 Be6 15. Qe4 Qa5 16. Qa4 Qxa4 17. Nxa4 Nxe5 18. Nxe5 dxe5 19. Bxe5 Rac8 20. Nc3 Rfd8 21. Bxg7 Kxg7 22. Rxd8 Rxd8 23. Rd1 Rxd1+ 24. Kxd1 Kf6 25. Ke2 Ke5 26. a3 f5 27. f3 Bd7 28. Kd2 Bc6 29. Ke3 h5 30. Ne2 f4+ 31. Kd3 g4 32. Nd4 Bd7 33. c4 a6 34. b4 Kf6 35. Ne2 e5 36. Nc3 Bc6 37. Nd5+ Ke6 38. Ke4 b5 39. Kd3 bxc4+ 40. Kxc4 Bxd5+ 41. Kc5 gxf3 42. gxf3 Bxf3 43. a4 Be2 44. b5 axb5 45. a5 b4 46. Kxb4 f3 0-1

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.12"]
[Round "3"]
[White "Zarabanda, Santiago"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1527"]
[BlackElo "1426"]
[PlyCount "48"]
[EventDate "2022.05.11"]
[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 c5 5. Bg2 Nc6 6. cxd5 Nxd5 7. e4 Nf6 8. e5 Nd5 9. 0-0 cxd4 10. Qxd4 Nxd4 11. Nxd4 Bc5 12. Nb3 Be7 13. Rd1 Qc7 14. Bxd5 exd5 15. Rxd5 Qc6 16. Nc3 Be6 17. Na5 Qc8 18. Rd4 0-0 19. Bf4 b6 20. Nb3 Rd8 21. Rad1 Rxd4 22. Rxd4 Qc6 23. a3 Bh3 24. a4 Qg2# 0-1

[Event "COL-ch U16"]
[Site "Villavicencio"]
[Date "2022.05.11"]
[Round "1"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Cabrales Almanza, Josue Ricardo"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1426"]
[BlackElo "1782"]
[PlyCount "92"]
[EventDate "2022.05.11"]
[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. Nc3 c6 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 Bd6 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 b5 10. Bd3 a6 11. Ne4 Be7 12. Qc2 Bb7 13. Nxf6+ Bxf6 14. Bxh7+ Kh8 15. Bxf6 gxf6 16. Bd3 f5 17. Qd2 Qf6 18. Ne5 Nxe5 19. dxe5 Qxe5 20. Qc3 Qxc3 21. bxc3 c5 22. f3 Rad8 23. Rfd1 Rd6 24. Bc2 Rfd8 25. Rxd6 Rxd6 26. Rd1 Rxd1+ 27. Bxd1 Bd5 28. a3 a5 29. Kf2 a4 30. Ke2 b4 31. cxb4 cxb4 32. Kd2 bxa3 33. Kc1 a2 34. Kb2 Bb3 35. Bxb3 axb3 36. f4 Kg7 37. h4 Kf6 38. g3 e5 39. Ka1 exf4 40. exf4 Ke6 41. Kb2 Kd5 42. Ka1 Kd4 43. Kb2 Kd3 44. h5 a1Q+ 45. Kxa1 Kc2 46. h6 b2+ 0-1

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.24"]
[Round "9.2"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Luna Velandia, Juan Sebastian"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1386"]
[BlackElo "1486"]
[PlyCount "25"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. h3 h6 5. a3 a6 6. d3 d6 7. Be3 Be6 8. b3 g6 9. Nh2 b5 10. f4 exf4 11. Bxf4 Bg7 12. Be2 0-0 13. 0-0 1/2-1/2

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.23"]
[Round "7.3"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Campos Gomez, Manuel"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "1386"]
[BlackElo "1897"]
[PlyCount "59"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 0-0 7. 0-0 b6 8. b4 Bb7 9. Re1 Nbd7 10. Bb2 Rc8 11. cxd5 cxd5 12. Rc1 a6 13. Qe2 Nb8 14. Na4 Qd6 15. a3 Rxc1 16. Rxc1 Rc8 17. Rxc8+ Bxc8 18. Qc2 Bd7 19. Ne5 Bxa4 20. Qxa4 b5 21. Qb3 Nfd7 22. Nxd7 Nxd7 23. a4 Qc6 24. axb5 axb5 25. Qc3 Qb7 26. Qe1 Nb8 27. Qe2 Na6 28. Ba3 Nc7 29. Bb2 e6 30. g3 1/2-1/2

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.23"]
[Round "8.4"]
[White "Lopez Torres, Jorge Emmanuel"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1334"]
[BlackElo "1386"]
[PlyCount "60"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bg5 Be7 6. Bxe7 Qxe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Nc3 d6 10. Be2 Be6 11. 0-0 Nxc4 12. Bxc4 Bxc4 13. Qa4+ b5 14. Nxb5 Bxb5 15. Qxb5+ Qd7 16. Qxd7+ Kxd7 17. Rac1 Rab8 18. b3 Rb6 19. Rc4 Ra6 20. a4 Rb8 21. Rb1 Rc6 22. Rxc6 Kxc6 23. Kf1 a5 24. Ke2 Kd5 25. Kd3 c5 26. f3 Kc6 27. g4 d5 28. Kc2 g5 29. h3 h6 30. Rb2 Rf8 0-1

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.22"]
[Round "6.3"]
[White "Rodriguez Pantoja, Obel"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1621"]
[BlackElo "1386"]
[PlyCount "83"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 g6 5. a3 a5 6. d3 Bg7 7. Be2 d6 8. Bg5 Be6 9. 0-0 Nd4 10. Nxd4 exd4 11. Nd5 c6 12. Nxf6+ Bxf6 13. Bxf6 Qxf6 14. Qd2 c5 15. b4 axb4 16. axb4 Rxa1 17. Rxa1 0-0 18. Bf3 Rb8 19. Qa2 Qd8 20. Qa7 Qc7 21. Ra5 cxb4 22. Rb5 Qd8 23. Qxd4 Qc7 24. Rxb4 Qa5 25. Rb1 b5 26. h3 b4 27. Bd1 Qc5 28. Qb2 Qg5 29. Kf1 Qf4 30. Qc2 Qh2 31. Bf3 Qf4 32. Ke2 Qh4 33. Qb3 Qf6 34. Qc2 Qe5 35. Qd2 Qc5 36. Qb2 f5 37. Qd2 fxe4 38. Bxe4 Qh5+ 39. Bf3 Qc5 40. Qe3 Qf5 41. Bg4 Qe5 42. Bxe6+ 1-0

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.21"]
[Round "4.2"]
[White "Cabiativa, Juan Esteban"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1514"]
[BlackElo "1386"]
[PlyCount "57"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Bg2 Bc5 4. a3 a5 5. Nf3 Nc6 6. e3 d6 7. d4 exd4 8. exd4 Bb6 9. 0-0 0-0 10. Nc3 Bg4 11. Be3 Nd7 12. h3 Bh5 13. Nd5 Ne7 14. Nf4 Bxf3 15. Bxf3 c6 16. b4 axb4 17. axb4 Rxa1 18. Qxa1 Nf5 19. c5 dxc5 20. bxc5 Nxe3 21. fxe3 Bc7 22. Kh2 Re8 23. Re1 Nf6 24. Qb2 Bxf4 25. gxf4 Qd7 26. Re2 g6 27. e4 h5 28. e5 Nh7 29. Rg2 1-0

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.21"]
[Round "5.4"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Garzon Restrepo, Fray"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1386"]
[BlackElo "1273"]
[PlyCount "71"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 h6 4. Nf3 Nf6 5. Bf4 Bd6 6. Bxd6 Qxd6 7. e3 Qb4 8. Qa4+ Qxa4 9. Nxa4 c6 10. c5 Nbd7 11. Rc1 0-0 12. Bd3 Re8 13. Nc3 b6 14. b4 e5 15. Nxe5 Nxe5 16. dxe5 Rxe5 17. 0-0 Bb7 18. Na4 b5 19. Nc3 Rd8 20. Ne2 Ne4 21. Rfd1 Bc8 22. Nd4 Bd7 23. Ra1 Nc3 24. Rdc1 Na4 25. Bc2 Nb2 26. a4 a6 27. axb5 axb5 28. Ra2 Nc4 29. Rca1 Ree8 30. Bf5 Ne5 31. Bxd7 Rxd7 32. Ra8 Rdd8 33. Rxd8 Rxd8 34. f4 Nc4 35. Kf2 Re8 36. Re1 1/2-1/2

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.20"]
[Round "2.1"]
[White "Castano Prado, Juan Miguel"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1507"]
[BlackElo "1386"]
[PlyCount "126"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e4 Nf6 5. Nxe5 Nxe5 6. d4 Bxd4 7. Qxd4 d6 8. Qe3 Be6 9. Nd5 c6 10. Nxf6+ Qxf6 11. Qb3 b6 12. h4 h6 13. Bg5 Qg6 14. Bf4 Qxe4+ 15. Be3 Bxc4 16. Bxc4 Qxc4 17. Qxc4 Nxc4 18. 0-0 Nxe3 19. Rfe1 0-0 20. Rxe3 Rfe8 21. Rc3 c5 22. Rd3 Re6 23. Rad1 Rd8 24. f4 g6 25. Kf2 Kf8 26. g4 Ke7 27. Kf3 Kd7 28. Rd5 Kc6 29. g5 hxg5 30. hxg5 f5 31. gxf6 Rxf6 32. Kg4 Rdf8 33. Kg5 Rf5+ 34. Rxf5 Rxf5+ 35. Kxg6 Rxf4 36. Kg5 Rf7 37. Rd2 d5 38. Kg4 d4 39. Kg3 Kd5 40. Rf2 Rxf2 41. Kxf2 c4 42. Ke2 a5 43. a3 b5 44. Kd2 b4 45. axb4 axb4 46. Kc2 Ke4 47. Kd2 Kf3 48. b3 cxb3 49. Kd3 b2 50. Kc2 Ke2 51. Kxb2 d3 52. Kb3 d2 53. Kxb4 d1Q 54. Kb5 Qc2 55. Kb6 Qc4 56. Kb7 Qc5 57. Kb8 Kd2 58. Kb7 Kc3 59. Kb8 Qe7 60. Kc8 Kb4 61. Kb8 Kc5 62. Kc8 Kb6 63. Kb8 Qd8# 0-1

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.20"]
[Round "3.5"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Cotes Ontibon, Anibal Santiago"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1386"]
[BlackElo "1394"]
[PlyCount "82"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. e4 e5 5. d5 Nbd7 6. Bxc4 Nb6 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. Nf3 Bd6 10. h3 0-0-0 11. Bg5 Qe7 12. 0-0 h6 13. Bxf6 gxf6 14. Nh4 Rdg8 15. Nf5 Qd7 16. Rc1 Rg5 17. Nb5 Kb8 18. Qb3 Rhg8 19. g3 h5 20. Nbxd6 cxd6 21. Qb4 h4 22. g4 Nxd5 23. Qxd6+ Qxd6 24. Nxd6 Nf4 25. Kh2 R5g7 26. Rc2 Nd3 27. Rc3 Nb4 28. Rfc1 Nc6 29. Nxb7 Kxb7 30. Rxc6 Rd8 31. R1c2 Rd4 32. Rxf6 Rxe4 33. Rd2 Kc7 34. Kg2 Rc4 35. Rf5 Rc5 36. Rh5 f6 37. Rxh4 Kc6 38. Rh6 Rf7 39. g5 Kc7 40. Rxf6 Rxf6 41. gxf6 Rc6 1-0

[Event "COL-ch U12"]
[Site "Cali"]
[Date "2019.06.19"]
[Round "1.5"]
[White "Leon Acevedo, Juan Alejandro"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1896"]
[BlackElo "1386"]
[PlyCount "71"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Qc2 Nbd7 8. Nbd2 dxc4 9. Nxc4 Nb6 10. Nce5 Nfd7 11. Rd1 Qc7 12. Bf4 Bd6 13. Ng5 g6 14. Ngf3 Nd5 15. Bh6 Re8 16. Nc4 Be7 17. e4 N5f6 18. Ne3 Nb6 19. d5 exd5 20. exd5 c5 21. Qc3 Na4 22. Qd2 Bf8 23. d6 Qd7 24. Bxf8 Rxf8 25. Nc4 Nb6 26. Nxb6 axb6 27. Ne5 Qe6 28. d7 Rd8 29. dxc8Q Raxc8 30. Qc3 Nd5 31. Qb3 Qxe5 32. Bxd5 Rd7 33. Rd2 c4 34. Qb5 Rd6 35. Bxf7+ Kxf7 36. Qxe5 1-0

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.26"]
[Round "6.5"]
[White "Guerrero Ortega, Johan Nicolas"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1086"]
[BlackElo "1360"]
[PlyCount "42"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Bg5 Be7 5. Nc3 Bd6 6. Nb5 Nc6 7. Bf4 h6 8. Ne5 Nxe5 9. dxe5 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Nd7 12. cxd5 Nxe5 13. Qf4 f6 14. Rc1 c6 15. dxc6 Qa5+ 16. Nc3 Nxc6 17. e3 Bd7 18. Bd3 Rc8 19. Bg6+ Kf8 20. 0-0 Ne7 21. Ne4 Nxg6 0-1

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.25"]
[Round "4.3"]
[White "Rodriguez Pantoja, Obel"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1647"]
[BlackElo "1360"]
[PlyCount "89"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. Nf3 d6 6. a3 a6 7. b4 Ba7 8. 0-0 Be6 9. d3 Nd4 10. Ng5 c6 11. e3 Nf5 12. Bb2 Nxe3 13. Nxe6 Nxd1 14. Nxd8 Nxc3 15. Nxb7 Ne2+ 16. Kh1 Kd7 17. Na5 Nd4 18. Bxd4 Bxd4 19. Bxc6+ Kc7 20. Rab1 Rab8 21. Bf3 Rhe8 22. Nc6 Rb6 23. Nxd4 exd4 24. Rfc1 Reb8 25. c5 dxc5 26. Rxc5+ Kd6 27. Rc4 a5 28. Re1 axb4 29. Rxd4+ Kc5 30. Rc4+ Kd6 31. axb4 Rxb4 32. Rc6+ Kd7 33. Ra6 Rb1 34. Ra7+ Kd6 35. Rxb1 Rxb1+ 36. Kg2 Ke6 37. Bb7 Ne8 38. Be4 Nf6 39. Ra6+ Ke7 40. Bf5 Rb7 41. g4 g6 42. Be4 Rb4 43. f3 h5 44. g5 Ne8 45. Ra7+ 1/2-1/2

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.24"]
[Round "2.12"]
[White "Campos Perilla, Ximena Estefania"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1194"]
[BlackElo "1360"]
[PlyCount "58"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 e6 5. 0-0 Bd7 6. Nc3 Nc6 7. Bg5 Be7 8. Re1 Qc7 9. Bf4 e5 10. Bg3 Be6 11. Ng5 Bxc4 12. dxc4 h6 13. Nd5 Nxd5 14. cxd5 Bxg5 15. dxc6 Qxc6 16. Rb1 0-0 17. b4 cxb4 18. Rxb4 Bd8 19. f3 Qc5+ 20. Bf2 Qxb4 21. Be3 Ba5 22. Qe2 Qxe1+ 23. Qxe1 Bxe1 24. f4 Rac8 25. fxe5 dxe5 26. Kf1 Bh4 27. g4 Rxc2 28. Bxa7 Rd8 29. a4 Rd1# 0-1

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.24"]
[Round "3.8"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Gomez Gomez, Maria Camila"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1360"]
[BlackElo "1371"]
[PlyCount "66"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Nc6 5. Bg5 Be7 6. e3 0-0 7. Qb3 Bd7 8. Bxf6 Bxf6 9. cxd5 exd5 10. Nxd5 Be6 11. Nxf6+ Qxf6 12. d5 Na5 13. Qb5 Bxd5 14. Qxd5 Nc6 15. Qb3 Rab8 16. Qc3 Qg6 17. Bd3 Qh6 18. Ne5 Nxe5 19. Qxe5 Rbd8 20. Qc3 Qd6 21. Rd1 Qh6 22. Be2 Qg6 23. Rxd8 Rxd8 24. Qxc7 Rf8 25. 0-0 h6 26. Rd1 Qf6 27. Qxb7 Qf5 28. Qf3 Qc2 29. Bd3 Qxb2 30. Qe4 g6 31. Qd5 Kg7 32. Qd4+ Qxd4 33. exd4 Kf6 1-0

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.23"]
[Round "1.3"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Castiblanco Melo, David"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1360"]
[BlackElo "1326"]
[PlyCount "72"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 Nc6 7. Qc2 0-0 8. Qc3 Re8 9. g3 Ngxe5 10. b4 Nxf3+ 11. Nxf3 d6 12. Bg2 Qe7 13. 0-0 Bf5 14. b5 Ne5 15. Nd4 Bg4 16. h3 Be6 17. Nxe6 Qxe6 18. Rac1 Rab8 19. g4 b6 20. f4 Nd7 21. Bc6 Re7 22. Qa3 Rbe8 23. Rfe1 Qf6 24. e3 Qh4 25. Kg2 g6 26. Qd3 Nc5 27. Qa3 Rd8 28. Rcd1 Ne4 29. Bxe4 Rxe4 30. Qxa7 Rxc4 31. Rc1 Re8 32. Qa3 Rxf4 33. exf4 Rxe1 34. Qb2 Re3 35. Qf2 Qxh3+ 36. Kg1 Rg3+ 0-1

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.13"]
[Round "4.4"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "Cuartas Lozano, Santiago"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "1338"]
[BlackElo "1500"]
[PlyCount "31"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Nbd7 7. Qd2 Nb6 8. Nf3 Re8 9. Rd1 Be6 10. b3 Nbd7 11. d5 Nc5 12. dxe6 Ncxe4 13. Nxe4 Nxe4 14. exf7+ Kf8 15. fxe8Q+ Qxe8 16. Qc2 1-0

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.12"]
[Round "3.1"]
[White "Campos Gomez, Manuel"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1895"]
[BlackElo "1338"]
[PlyCount "71"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. a3 Be7 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Nxc3 8. bxc3 Bf5 9. e4 Be6 10. Ne2 Qd3 11. 0-0 Bg4 12. f3 Be6 13. g4 h5 14. gxh5 Rxh5 15. Ng3 Rh7 16. Qe2 Qxe2 17. Nxe2 Bc4 18. Re1 0-0-0 19. d4 exd4 20. cxd4 Bxe2 21. Rxe2 Nxd4 22. Rea2 Nb3 23. Rb1 Bc5+ 24. Kf1 Rd1+ 25. Ke2 Nxc1+ 26. Kxd1 Nxa2 27. Ra1 Nc3+ 28. Kc2 Nb5 29. h3 Rh6 30. a4 Nd6 31. Kd3 Rg6 32. Ra2 Ne8 33. e5 Kd7 34. Kc4 Kc6 35. f4+ Rxg2 36. Rxg2 1/2-1/2

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.12"]
[Round "2.8"]
[White "Hernandez Guarin, Samuel Andres"]
[Black "De la Hoz Paternina, Felix Daniel"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1338"]
[BlackElo "1469"]
[PlyCount "109"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 a6 6. Nf3 Nc6 7. Ne5 Bd7 8. e3 e6 9. Bg5 Be7 10. Nxc6 Bxc6 11. Bd3 Rc8 12. Rc1 h6 13. Bh4 Qd7 14. 0-0 0-0 15. Qf3 Rfe8 16. Bg3 Bb5 17. Nxb5 axb5 18. Qe2 Rxc1 19. Rxc1 Rc8 20. Rxc8+ Qxc8 21. Qc2 Qxc2 22. Bxc2 Ne4 23. Bxe4 dxe4 24. Bc7 b4 25. Kf1 Kf8 26. Ke2 Ke8 27. f3 Kd7 28. Bg3 exf3+ 29. gxf3 Kc6 30. Kd3 Kb5 31. b3 Kc6 32. e4 f6 33. f4 g5 34. fxg5 fxg5 35. h3 h5 36. Ke3 h4 37. Be5 Bd6 38. Bxd6 Kxd6 39. Kf3 Ke7 40. Kg4 Kf6 41. Kh5 b6 42. Kg4 Kg6 43. Kf3 Kf6 44. d5 exd5 45. exd5 Ke5 46. d6 Kxd6 47. Kg4 Ke5 48. Kxg5 Kd4 49. Kxh4 Kc3 50. Kg3 Kb2 51. h4 Kxa2 52. h5 Kxb3 53. h6 Ka2 54. h7 b3 55. h8Q 1-0

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.11"]
[Round "1.8"]
[White "Jimenez Jimenez, Juan Fernando"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1289"]
[BlackElo "1338"]
[PlyCount "52"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. Be2 Nf6 5. d3 g6 6. Bd2 Bg7 7. 0-0 0-0 8. h3 Nd7 9. Re1 Nce5 10. Be3 Qb6 11. d4 Nxf3+ 12. Bxf3 cxd4 13. Nd5 Qxb2 14. Rb1 Qxa2 15. Bxd4 e5 16. Ne7+ Kh8 17. Ra1 Qe6 18. Nxc8 exd4 19. Nxa7 d3 20. Qxd3 Bxa1 21. Rxa1 Qe5 22. Qd2 Qxa1+ 23. Kh2 Rxa7 24. c3 Qa5 25. Qxd6 Qe5+ 26. Qxe5+ Nxe5 0-1

[Event "COL-ch sf3 U12"]
[Site "Choconta"]
[Date "2018.04.06"]
[Round "3.2"]
[White "Luna Velandia, Juan Sebastian"]
[Black "Hernandez Guarin, Samuel Andres"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1537"]
[BlackElo "1325"]
[PlyCount "59"]
[EventDate "2018.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Bd7 7. Be3 e6 8. Bc4 Be7 9. Qd2 Nc6 10. 0-0-0 Rc8 11. Bb3 Na5 12. g4 Nxb3+ 13. axb3 Bc6 14. h4 Nd7 15. g5 f6 16. Nxe6 Qa5 17. Nxg7+ Kf7 18. gxf6 Nxf6 19. Nf5 Rcd8 20. Nxe7 Kxe7 21. Nd5+ Nxd5 22. Bg5+ Nf6 23. Bxf6+ Kxf6 24. Qxa5 Ke7 25. e5 Rhf8 26. exd6+ Kf7 27. Qf5+ Kg8 28. Rdg1+ Kh8 29. Qe5+ Rf6 30. Qxf6# 1-0

