[Event "Central Region-ch U18"]
[Site "Ibague"]
[Date "2011.04.23"]
[Round "5.1"]
[White "Isasiga Perez, Juan David"]
[Black "Huertas Botache, Alvaro Arturo"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "74"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "5"]
[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. Nc3 Nf6 4. Bc4 Bc5 5. d3 d6 6. 0-0 h6 7. a3 0-0 8. b4 Bb6 9. b5 Ne7 10. h3 c6 11. a4 Be6 12. Bxe6 fxe6 13. Nh4 g5 14. Nf3 Ng6 15. a5 Bc5 16. a6 cxb5 17. Nxb5 Qb6 18. c4 bxa6 19. Na3 Rf7 20. Qa4 Rc8 21. Bb2 Qxb2 22. Nc2 Qb6 23. Rab1 Qc6 24. Qa5 Nf4 25. Rfe1 Nxd3 26. Re2 Nxe4 27. Rd1 Ndxf2 28. Rde1 Nxh3+ 29. Kh2 Nef2 30. Nb4 Bxb4 31. Qxb4 Nd3 32. Qc3 Nhf4 33. Re3 Nxe1 34. Qxe1 Qxc4 35. Rc3 Qxc3 36. Qb1 Qc2 37. Qb4 Qxg2# 0-1

[Event "Central Region-ch U18"]
[Site "Ibague"]
[Date "2011.04.21"]
[Round "2.1"]
[White "Corredor Rengifo, Luis Fernando"]
[Black "Isasiga Perez, Juan David"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1908"]
[PlyCount "89"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "5"]
[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. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 Bb6 7. Re1 d6 8. Bg5 h6 9. Bh4 Qe7 10. d5 Nd8 11. c4 c6 12. Ba4 cxd5 13. cxd5 Ba5 14. Nc3 a6 15. a3 b5 16. b4 Bb6 17. Bb3 a5 18. Nxb5 Ba6 19. Nc3 a4 20. Bxa4 Bc4 21. Bb3 Rc8 22. Bxc4 Rxc4 23. Qd3 Rc8 24. Bxf6 Qxf6 25. a4 Nb7 26. a5 Ba7 27. Nb5 Bb8 28. a6 Nd8 29. a7 Bxa7 30. Nxa7 Rb8 31. b5 Nb7 32. Nd2 Nc5 33. Qe3 Qd8 34. Nc6 Qb6 35. Nxb8 Rxb8 36. Reb1 Rb7 37. Ra8+ Kh7 38. Nc4 Qc7 39. b6 Qd7 40. Na5 Qa4 41. Nxb7 Qxa8 42. Nxc5 dxc5 43. b7 Qb8 44. Qxc5 g5 45. Qc8 1-0

