[Event "ARG-ch U18"]
[Site "Ibague"]
[Date "2024.03.17"]
[Round "6"]
[White "Duran Cardoso, Nicolas"]
[Black "Sierra Isaza, Jose Eduardo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1738"]
[BlackElo "1416"]
[PlyCount "56"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 cxd4 7. cxd4 a5 8. Nc3 Nge7 9. Bd3 Nf5 10. Bxf5 exf5 11. Nxd5 Qd8 12. Nc3 Bd7 13. 0-0 f6 14. e6 Bc8 15. d5 Ne5 16. Qa4+ Bd7 17. exd7+ Qxd7 18. Qxd7+ Nxd7 19. Re1+ Kf7 20. h4 Bc5 21. Be3 Rad8 22. Nd4 Bxd4 23. Bxd4 Rhe8 24. Rxe8 Rxe8 25. Nb5 Rb8 26. Re1 Kf8 27. d6 Re8 28. Rxe8+ Kxe8 1-0

[Event "ARG-ch U18"]
[Site "Ibague"]
[Date "2024.03.16"]
[Round "5"]
[White "Rivera Robayo, Juan Jose"]
[Black "Sierra Isaza, Jose Eduardo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1660"]
[BlackElo "1416"]
[PlyCount "66"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 e6 5. Bb5 Nge7 6. d4 cxd4 7. Nxd4 Bd7 8. Be3 a6 9. Bd3 g6 10. 0-0 Bg7 11. Nf3 0-0 12. Qe1 e5 13. Rd1 Qc7 14. Qh4 f5 15. Ng5 h6 16. Bc4+ Kh8 17. Nf7+ Rxf7 18. Bxf7 fxe4 19. fxe5 Nf5 20. Rxf5 Bxf5 21. Bxh6 Qxf7 22. exd6 Bxh6 23. Qxh6+ Qh7 24. Qg5 Rd8 25. g4 Bc8 26. Nxe4 Kg7 27. Rf1 Rf8 28. Rd1 Rf7 29. Nc5 Kf8 30. Qd5 Ke8 31. Nxa6 Bxg4 32. Qe4+ Kd8 33. Qxg4 bxa6 0-1

[Event "ARG-ch U18"]
[Site "Ibague"]
[Date "2024.03.16"]
[Round "4"]
[White "Sierra Isaza, Jose Eduardo"]
[Black "Cuellar Sanchez, Matias"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1416"]
[BlackElo "1570"]
[PlyCount "67"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. Be3 b6 5. Nge2 Bg7 6. g3 Bb7 7. Bg2 e6 8. 0-0 Nge7 9. Nf4 0-0 10. Qd2 a6 11. a4 f5 12. Rab1 Qc7 13. exf5 Nxf5 14. Nce2 Ncd4 15. Bxb7 Qxb7 16. Bxd4 Nxd4 17. Nxd4 Bxd4 18. c3 Bg7 19. Ng2 Rf7 20. f4 Raf8 21. Qe2 b5 22. axb5 axb5 23. Ne3 Ra8 24. Ra1 Rff8 25. Qg2 d5 26. Ng4 Rxa1 27. Rxa1 Ra8 28. Rxa8+ Qxa8 29. Qe2 Qc8 30. Ne5 d4 31. Qe4 Qa6 32. Nc6 dxc3 33. bxc3 Qc8 34. Ne7+ 1-0

[Event "ARG-ch U18"]
[Site "Ibague"]
[Date "2024.03.15"]
[Round "3"]
[White "Gutierrez Pinzon, Sebastian"]
[Black "Sierra Isaza, Jose Eduardo"]
[Result "1-0"]
[ECO "D72"]
[WhiteElo "1763"]
[BlackElo "1416"]
[PlyCount "43"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2 0-0 8. Nbc3 e5 9. d5 c6 10. 0-0 Re8 11. b3 cxd5 12. Nxd5 Nxd5 13. exd5 e4 14. Rb1 Bf5 15. Nf4 e3 16. Rb2 Bxb2 17. Bxb2 exf2+ 18. Rxf2 Qa5 19. Qd4 Re1+ 20. Bf1 Rxf1+ 21. Kxf1 Kf8 22. Re2 1-0

[Event "ARG-ch U18"]
[Site "Ibague"]
[Date "2024.03.14"]
[Round "1"]
[White "Sierra Isaza, Jose Eduardo"]
[Black "Gaona Ballesteros, Andres"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1416"]
[BlackElo "1768"]
[PlyCount "98"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d3 g6 4. g3 Bg7 5. Be3 Nc6 6. Nge2 Bg4 7. Bg2 e5 8. h3 Be6 9. 0-0 Qd7 10. Kh2 Nge7 11. Qd2 Nd4 12. Nd5 Nxe2 13. Qxe2 Bxd5 14. exd5 f5 15. c4 0-0 16. f4 Rae8 17. Qd2 Nc8 18. Qc2 b5 19. Rae1 exf4 20. Bxf4 Rxe1 21. Rxe1 Re8 22. Qd2 Rxe1 23. Qxe1 bxc4 24. dxc4 Bxb2 25. Qe6+ Qxe6 26. dxe6 Be5 27. Bd5 Ne7 28. Kg2 Bxf4 29. gxf4 h6 30. h4 Kg7 31. Kf3 Kf6 32. a4 a5 33. Ke3 Nc8 34. Kd3 Nb6 35. Bc6 Kxe6 36. Kc3 Kf6 37. Be8 g5 38. fxg5+ hxg5 39. hxg5+ Kxg5 40. Bb5 Kf4 41. Kd3 Ke5 42. Ke3 f4+ 43. Kf3 Kd4 44. Kxf4 Nxc4 45. Kf3 Nb6 46. Ke2 Kc3 47. Kd1 Kb4 48. Kc2 Nxa4 49. Bc6 Nb6 0-1

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.23"]
[Round "6"]
[White "Pinzon Palencia, Emiliano"]
[Black "Sierra Isaza, Jose Eduardo"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1500"]
[PlyCount "50"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 Bf5 4. e3 e6 5. Bd3 Bxd3 6. cxd3 c5 7. 0-0 cxd4 8. Nxd4 Qb6 9. Nc3 Bd6 10. Bxd6 Qxd6 11. e4 dxe4 12. dxe4 Qe7 13. e5 Nd5 14. Nxd5 exd5 15. Nb5 0-0 16. Qxd5 Nc6 17. Rfe1 Rfe8 18. f4 Nb4 19. Qd4 Nc2 20. Qc3 Rac8 21. Qg3 Nxa1 22. Rxa1 Qc5+ 23. Kf1 Qxb5+ 24. Kf2 Rc2+ 25. Ke1 Qe2# 0-1

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "4"]
[White "Acevedo, Fausto"]
[Black "Sierra Isaza, Jose Eduardo"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "1560"]
[BlackElo "1500"]
[PlyCount "51"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Bg7 5. e4 0-0 6. Nf3 b6 7. Bd3 Bb7 8. 0-0 Re8 9. Bg5 Nbd7 10. Qd2 e5 11. dxe6 Rxe6 12. e5 c5 13. exf6 Bxf6 14. d5 Re8 15. Rfe1 Bxg5 16. Rxe8+ Qxe8 17. Qxg5 Rc8 18. h4 c4 19. Bc2 Nc5 20. h5 Rd8 21. hxg6 fxg6 22. Re1 Qd7 23. Re7 Qd6 24. Re5 Nd3 25. Ne4 Qf8 26. Re7 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "5"]
[White "Sierra Isaza, Jose Eduardo"]
[Black "Galeano, Raul"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1500"]
[PlyCount "59"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Bd7 5. Bc4 Nf6 6. 0-0 Nc6 7. Nxc6 Bxc6 8. Nc3 Be7 9. Re1 0-0 10. Qf3 Nd7 11. Qg3 Bf6 12. Nd5 Bxd5 13. Bxd5 c6 14. Bc4 Ne5 15. Bf1 Ng6 16. Qb3 b5 17. g3 a5 18. Bg2 a4 19. Qd3 Ne5 20. Qe3 Nc4 21. Qe2 Re8 22. Qd1 Qc7 23. Rb1 a3 24. b3 Nb2 25. Bxb2 axb2 26. Qf3 Be5 27. c3 Rxa2 28. Re2 Qa5 29. Rexb2 Rxb2 30. Rxb2 0-1

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "2"]
[White "Bareno Martinez, Raul Antonio"]
[Black "Sierra Isaza, Jose Eduardo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1575"]
[BlackElo "1500"]
[PlyCount "55"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 Nc6 5. c3 Qb6 6. Bd3 Nge7 7. 0-0 cxd4 8. cxd4 Bd7 9. Bc2 Nb4 10. Bb3 Nf5 11. g4 Ne7 12. Be3 Bb5 13. Ba4 Bxa4 14. Qxa4+ Nec6 15. Qd1 Be7 16. a3 Na6 17. Nc3 Rc8 18. b4 Ncxb4 19. Na4 Qb5 20. axb4 Qd7 21. Nc5 Nxc5 22. bxc5 a6 23. Qa4 b5 24. cxb6 Qxa4 25. Rxa4 0-0 26. Rxa6 Rb8 27. Rc1 Bd8 28. Rc6 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "3"]
[White "Sierra Isaza, Jose Eduardo"]
[Black "Mendoza Aguirre, Carlos Alberto"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1500"]
[PlyCount "92"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 f6 4. d3 d6 5. Be3 Bg4 6. Nc3 Nd4 7. Bxd4 exd4 8. Nb5 c5 9. Qe2 a6 10. Na3 Qe7 11. 0-0 Be6 12. Bxe6 Qxe6 13. Rfe1 Ne7 14. Nc4 Nc6 15. Nb6 Rb8 16. Nd5 Qd7 17. Nh4 Ne7 18. Nf5 Kf7 19. Nfxe7 Bxe7 20. Rac1 b5 21. c3 Rhc8 22. cxd4 cxd4 23. Rxc8 Qxc8 24. Qh5+ Kf8 25. Qxh7 Qe6 26. Qh8+ Qg8 27. Qxg8+ Kxg8 28. Nxe7+ Kf7 29. Nd5 Rc8 30. h3 Rc2 31. Rb1 Rd2 32. Kf1 a5 33. Ke1 Rc2 34. g3 Ke6 35. a3 g5 36. b4 a4 37. f4 Rh2 38. Nc7+ Kd7 39. Rc1 Rh1+ 40. Kd2 Rxc1 41. Kxc1 Kxc7 42. fxg5 fxg5 43. h4 g4 44. h5 Kd7 45. h6 Ke7 46. h7 Kf7 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.20"]
[Round "1"]
[White "Sierra Isaza, Jose Eduardo"]
[Black "Jimenez, Eduard"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1500"]
[BlackElo "1761"]
[PlyCount "36"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 Nc6 8. Bc4 Qc7 9. Ng5 0-0 10. Qf3 Nd4 11. Bxf7+ Rxf7 12. Qd3 Rf8 13. 0-0 Bxc3 14. Bxc3 Ne6 15. Nxe6 dxe6 16. Qg3 Nxe4 17. Qxe5 Qxe5 18. Bxe5 Bd7 0-1

