[Event "Wch U16"]
[Site "Caldas Novas"]
[Date "2011.11.19"]
[Round "2"]
[White "Ccahua, Alexander"]
[Black "Idani, Pouya"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1765"]
[BlackElo "2427"]
[PlyCount "78"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 c5 7. e3 0-0 8. Be2 b6 9. 0-0 Bb7 10. Nb3 d6 11. a4 a5 12. Nfd2 Nc6 13. Bf3 Rfd8 14. Qe2 Rac8 15. dxc5 dxc5 16. Nb1 e5 17. Bxc6 Bxc6 18. Nc3 Ne4 19. Nxe4 Bxe4 20. Nc1 Rd6 21. f3 Bc6 22. Rd1 Rxd1+ 23. Qxd1 Rd8 24. Qe2 Qd7 25. b3 Qd1+ 26. Qxd1 Rxd1+ 27. Kf2 h5 28. e4 g6 29. Kg3 Kg7 30. Kh4 Kh6 31. Kg3 f5 32. exf5 gxf5 33. Kf2 h4 34. Ke2 Rh1 35. Kf2 Kg5 36. h3 f4 37. Ke2 e4 38. b4 exf3+ 39. gxf3 cxb4 0-1

[Event "Wch U16"]
[Site "Caldas Novas"]
[Date "2011.11.18"]
[Round "1"]
[White "Flermoen, Peter"]
[Black "Ccahua, Alexander"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2224"]
[BlackElo "1765"]
[PlyCount "104"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. f4 Nge7 8. Nf3 b6 9. Bf2 Bb7 10. 0-0 0-0 11. d4 e5 12. fxe5 cxd4 13. Nxd4 Nxd4 14. Qxd4 dxe5 15. Qe3 Ba6 16. Rfd1 Qc7 17. Nd5 Nxd5 18. exd5 Qxc2 19. d6 Rad8 20. Qa3 Be2 21. Rac1 Qf5 22. Rd5 Rd7 23. Re1 Bc4 24. Rdd1 Rc8 25. b3 Bb5 26. Be4 Qg5 27. Qb4 Bc6 28. Rc1 Bb7 29. Rxc8+ Bxc8 30. Qc4 Qd8 31. Rc1 Bb7 32. Bxb7 Rxb7 33. Be1 Rd7 34. Bb4 Bf8 35. Rf1 Kg7 36. Qd5 f6 37. Kg2 Qe8 38. Rc1 Qd8 39. Qc6 Kf7 40. Qc4+ Kg7 41. Qe6 a5 42. Qxd7+ Qxd7 43. Rc7 Qf7 44. Ba3 f5 45. Kh3 Kf6 46. d7 Be7 47. Rc6+ Kg7 48. Rc8 Qd5 49. Bxe7 Qxd7 50. Bf8+ Kf7 51. Ra8 f4+ 52. g4 h5 0-1

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Ccahua, Alexander"]
[Black "Zuleta, Juan Esteban"]
[Result "1/2-1/2"]
[ECO "D91"]
[WhiteElo "1734"]
[BlackElo "1804"]
[PlyCount "61"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Nbd7 6. e3 0-0 7. cxd5 c5 8. Be2 cxd4 9. Nxd4 Qa5 10. 0-0 Nb6 11. Nb3 Qb4 12. a3 Qd6 13. Bf4 Qd8 14. d6 exd6 15. Qxd6 Nbd5 16. Qxd8 Rxd8 17. Nxd5 Nxd5 18. Rad1 Be6 19. Bg5 Nxe3 20. Rxd8+ Rxd8 21. fxe3 Rd5 22. Bf4 Bxb2 23. Bc4 Rd7 24. Bxe6 fxe6 25. Nc5 Rd5 26. Bh6 Rf5 27. Rxf5 exf5 28. a4 b6 29. Nd3 Bf6 30. Bf4 Kf7 31. Nb4 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Ccahua, Alexander"]
[Black "Chero Ramirez, Daniel"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1734"]
[PlyCount "55"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. e3 c5 7. Be2 a5 8. 0-0 h6 9. Bh4 Na6 10. Rc1 g5 11. Bg3 Nh5 12. a3 f5 13. dxc5 Nxc5 14. b4 axb4 15. axb4 Nxg3 16. hxg3 Bxc3 17. Rxc3 Ne4 18. Rc1 e6 19. Nd4 Qf6 20. Bf3 Ra2 21. Bxe4 fxe4 22. Rc2 Rxc2 23. Qxc2 e5 24. Nb5 Kh8 25. Qd2 Be6 26. Nxd6 Rd8 27. Nxe4 Rxd2 28. Nxf6 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Florez, Luis Angel"]
[Black "Ccahua, Alexander"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1927"]
[BlackElo "1734"]
[PlyCount "45"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 Be7 10. Nc4 Be6 11. Bxf6 gxf6 12. Ne3 Rc8 13. Ncd5 Qa5+ 14. Qd2 Qxd2+ 15. Kxd2 h5 16. h4 Rg8 17. c3 Rg6 18. g3 Bd8 19. f4 Ne7 20. Bc4 Bxd5 21. Bxd5 Nxd5 22. Nxd5 Rxg3 23. Rhg1 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Ccahua, Alexander"]
[Black "Lopez Raigoza, Luis Alberto"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1734"]
[BlackElo "1893"]
[PlyCount "58"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nbd7 5. Bg5 Be7 6. e3 a6 7. c5 0-0 8. Bd3 b6 9. b4 Bb7 10. 0-0 Ne4 11. Bxe7 Qxe7 12. Qc2 f5 13. Ne2 bxc5 14. bxc5 Bc6 15. Rab1 Kh8 16. Bxe4 fxe4 17. Ne1 Rab8 18. Rxb8 Rxb8 19. Nc3 e5 20. Qd2 exd4 21. exd4 Bb5 22. Nxb5 axb5 23. Nc2 c6 24. Nb4 Qf6 25. Qe3 h6 26. h3 Ra8 27. a3 Rf8 28. Rd1 Rf7 29. Rd2 Nb8 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Gomez Garcia, Jose Santos"]
[Black "Ccahua, Alexander"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1834"]
[BlackElo "1734"]
[PlyCount "46"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 g6 5. b3 Bg7 6. Bb2 0-0 7. 0-0 Qb6 8. Qc2 Bf5 9. d3 Nbd7 10. Nd4 Be6 11. Nxe6 fxe6 12. d4 Rfd8 13. Nd2 Nf8 14. e3 Qc7 15. f3 Ne8 16. Rad1 e5 17. cxd5 exd4 18. dxc6 Qxc6 19. Qxc6 bxc6 20. e4 Rac8 21. f4 c5 22. e5 e6 23. Rc1 Rc7 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Ccahua, Alexander"]
[Black "Caicedo, Ronald"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1734"]
[PlyCount "69"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. d5 d6 4. Nc3 Bf5 5. Bg5 Be7 6. e3 Nbd7 7. Nf3 h6 8. Bxf6 Bxf6 9. Be2 0-0 10. 0-0 Nc5 11. Rc1 b6 12. b4 Ne4 13. Nxe4 Bxe4 14. Bd3 Bxd3 15. Qxd3 Qe7 16. e4 a5 17. b5 Bg5 18. Nxg5 Qxg5 19. Qe3 f5 20. Qxg5 hxg5 21. f3 fxe4 22. fxe4 Rxf1+ 23. Rxf1 Rf8 24. Rxf8+ Kxf8 25. Kf2 Kf7 26. Kf3 Kf6 27. Kg4 a4 28. a3 Kg6 29. h3 Kh6 30. Kf5 Kh5 31. g3 g6+ 32. Ke6 g4 33. h4 g5 34. hxg5 Kxg5 35. Kd7 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Barros, Raul Junior"]
[Black "Ccahua, Alexander"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2127"]
[BlackElo "1734"]
[PlyCount "75"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc6 bxc6 7. Bd3 Be7 8. 0-0 a5 9. a3 Ba6 10. Bxa6 Rxa6 11. e5 Nd5 12. Ne4 0-0 13. c4 Nb6 14. Qd3 Ra8 15. Be3 Rb8 16. f4 Rb7 17. Rf3 f5 18. exf6 Bxf6 19. Rh3 g6 20. Nxf6+ Rxf6 21. Rf1 Rf7 22. Bd4 d5 23. Qxg6+ Kf8 24. Bc5+ Rbe7 25. Qxe6 Qd7 26. Qxd7 Nxd7 27. Bxe7+ Rxe7 28. cxd5 cxd5 29. Rd1 Nf6 30. Rb3 Kf7 31. Rb5 Ra7 32. Rc1 d4 33. Rd1 Rd7 34. Rd3 a4 35. Rb4 Kg6 36. Rdxd4 Rc7 37. h3 Rc2 38. Rd6 1-0

[Event "Pan American-ch U16"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Henriquez Villagra, Cristobal"]
[Black "Ccahua, Alexander"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2227"]
[BlackElo "1734"]
[PlyCount "56"]
[EventDate "2011.07.03"]
[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. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Nf6 7. 0-0 Be7 8. c4 d5 9. Nd2 Qb6 10. Qc2 h6 11. b3 a5 12. a3 Ba6 13. Bb2 0-0 14. Rae1 Rac8 15. Re3 d4 16. Rh3 c5 17. Bc1 e5 18. f4 exf4 19. Rxf4 Bd6 20. Rxf6 gxf6 21. Qd1 Bf4 22. Qg4+ Bg5 23. Rxh6 Qe6 24. Rg6+ fxg6 25. Qxe6+ Kg7 26. Qxa6 Be3+ 27. Kf1 Ra8 28. Qb7+ Kh6 1-0

