[Event "COL-ch School U13"]
[Site "Yumbo"]
[Date "2010.04.30"]
[Round "7.8"]
[White "Sierra, Daniel"]
[Black "Hernandez, Stefano"]
[Result "0-1"]
[ECO "B60"]
[WhiteElo "1595"]
[BlackElo "1552"]
[PlyCount "46"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nc6 6. Bg5 g6 7. Bb5 Bd7 8. Be3 Bg7 9. Qe2 0-0 10. Bd3 h6 11. Nb3 Ne5 12. h3 Kh7 13. f4 Nc6 14. g4 Ng8 15. h4 Qc8 16. f5 Ne5 17. Nd4 a6 18. Nd5 Qd8 19. Nf4 Nxd3+ 20. Qxd3 e5 21. fxe6 Bxd4 22. Bxd4 fxe6 23. h5 Rxf4 0-1

[Event "COL-ch School U13"]
[Site "Yumbo"]
[Date "2010.04.29"]
[Round "6.11"]
[White "Ospina, Juan David"]
[Black "Sierra, Daniel"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1484"]
[BlackElo "1595"]
[PlyCount "48"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. Nf3 Bb4 5. d4 exd4 6. Nxd4 0-0 7. Bg5 h6 8. Bh4 g5 9. Bg3 d6 10. f3 Qe7 11. 0-0 Bc5 12. Bf2 Nxd4 13. Bxd4 Qe5 14. Bxc5 Qxc5+ 15. Rf2 Qxc4 16. Ne2 Be6 17. b3 Qc6 18. Ng3 Kg7 19. Qd4 Kg6 20. f4 Ng4 21. Rff1 Kh7 22. fxg5 hxg5 23. h3 Ne5 24. Rf2 Qd7 0-1

[Event "COL-ch School U13"]
[Site "Yumbo"]
[Date "2010.04.29"]
[Round "5.14"]
[White "Sierra, Daniel"]
[Black "Ahumada Tobar, Santiago"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1595"]
[PlyCount "61"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. h3 0-0 9. Qd2 Re8 10. f4 e5 11. fxe5 Nxe5 12. Bb3 a6 13. 0-0-0 Bd7 14. Nf3 b5 15. Qxd6 Nxf3 16. gxf3 Re7 17. Bg5 Re8 18. Bxf6 Bxf6 19. Qxd7 Qxd7 20. Rxd7 Re7 21. Rhd1 Rxd7 22. Rxd7 Rf8 23. Nd5 Kg7 24. Nxf6 Kxf6 25. Rd6+ Kg5 26. Rxa6 Kh4 27. Rf6 Kxh3 28. Rxf7 Rxf7 29. Bxf7 Kg3 30. Kd2 Kxf3 31. e5 1-0

[Event "COL-ch School U13"]
[Site "Yumbo"]
[Date "2010.04.28"]
[Round "4.15"]
[White "Escobar Sanchez, Esteban"]
[Black "Sierra, Daniel"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1480"]
[BlackElo "1595"]
[PlyCount "43"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Nc3 Nf6 7. Bg5 Bc5 8. Qd2 Bb7 9. e5 Qe7 10. 0-0-0 0-0-0 11. exf6 gxf6 12. Re1 Qd6 13. Qxd6 Bxd6 14. Bxf6 Rde8 15. Bc4 Rxe1+ 16. Rxe1 Rf8 17. Bg7 Rd8 18. g3 f5 19. Nb5 Bc5 20. f4 a6 21. Nd4 Bxd4 22. Bxd4 1/2-1/2

[Event "COL-ch School U13"]
[Site "Yumbo"]
[Date "2010.04.27"]
[Round "2.17"]
[White "Sierra, Daniel"]
[Black "Fuentes, Ivan Dario"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1595"]
[BlackElo "1433"]
[PlyCount "49"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[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. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e6 7. Qd2 Be7 8. h3 Qc7 9. f4 b5 10. Be2 Bb7 11. Bf3 Nbd7 12. a3 0-0 13. g4 Nb6 14. g5 Nfd7 15. Qf2 Nc4 16. b3 Nxe3 17. Qxe3 Nc5 18. 0-0 Rad8 19. Rae1 Rc8 20. h4 Nd7 21. Nce2 Nc5 22. h5 Qd7 23. Rf2 Rfe8 24. Nc1 Bd8 25. Rh2 1-0

