[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "6.47"]
[White "Coello Silva, Joaquin"]
[Black "Miranda, Rafael"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "106"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 e6 5. Nf3 Be7 6. Be2 d5 7. e5 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 Ne7 10. 0-0 0-0 11. Nc3 Nbc6 12. Bd3 h6 13. Qf4 a6 14. Ne2 Bd7 15. Qh4 Nf5 16. Bxf5 Qxh4 17. Nxh4 exf5 18. Ng3 Nxd4 19. Rad1 Nc6 20. Rxd5 Be6 21. Rc5 g6 22. a3 Rfd8 23. Nf3 Rd7 24. h3 Rad8 25. Rcc1 Nd4 26. Nxd4 Rxd4 27. Rfe1 Bb3 28. Rc3 Rd1 29. Rxd1 Rxd1+ 30. Kh2 Bd5 31. Rc8+ Kg7 32. Rd8 Bb3 33. Rxd1 Bxd1 34. Nf1 Bb3 35. Ne3 Kf8 36. g4 f4 37. Ng2 g5 38. Ne1 Ke7 39. Nd3 Bc4 40. Nc5 b6 41. Ne4 b5 42. Nd6 Ke6 43. Nxc4 bxc4 44. f3 Kxe5 45. Kg2 Kd4 46. Kf2 Kd3 47. Ke1 Ke3 48. b4 cxb3 49. Kd1 Kd3 50. Kc1 Kc3 51. a4 a5 52. h4 gxh4 53. g5 hxg5 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "5.56"]
[White "Moreira, Brian"]
[Black "Coello Silva, Joaquin"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "44"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. Nxe5 Nxe5 6. d4 Nxc4 7. dxc5 d6 8. Qd4 Ne5 9. f4 Nc6 10. Qc4 Be6 11. Nd5 0-0 12. f5 Bxd5 13. exd5 Qe7+ 14. Kf2 Na5 15. Qd4 dxc5 16. Qd3 b6 17. Rf1 Qd6 18. c4 Ng4+ 19. Ke1 Rfe8+ 20. Kd1 Qxh2 21. Rf2 Nxf2+ 22. Kd2 Nxd3 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "7.53"]
[White "Porres, Alejandra"]
[Black "Coello Silva, Joaquin"]
[Result "1/2-1/2"]
[ECO "C23"]
[PlyCount "52"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Qf3 Nf6 4. Nh3 0-0 5. Qf5 d6 6. Qf3 Bxh3 7. gxh3 c6 8. Nc3 b5 9. Bb3 b4 10. Na4 Bb6 11. d3 d5 12. Qg3 Re8 13. Bh6 g6 14. c3 bxc3 15. Nxc3 dxe4 16. Qh4 Nd5 17. Qg3 Nxc3 18. bxc3 Qxd3 19. Qxd3 exd3 20. Rf1 Ba5 21. Kd2 Rd8 22. f4 e4 23. f5 Rd7 24. fxg6 hxg6 25. Rf2 Na6 26. Re1 Kh7 1/2-1/2

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "4.48"]
[White "Coello Silva, Joaquin"]
[Black "Mendoza, Yesica"]
[Result "0-1"]
[ECO "D53"]
[PlyCount "34"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e4 dxe4 7. Nxe4 Bxd4 8. Nf3 Nc6 9. Nxd4 Nxd4 10. Qd3 0-0 11. 0-0-0 e5 12. f4 f6 13. g3 Be6 14. fxe5 fxe5 15. Bg2 b5 16. Nd2 Bf5 17. Qa3 Ne2# 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "2.47"]
[White "Coello Silva, Joaquin"]
[Black "Nina Mercado, Ian"]
[Result "1-0"]
[ECO "C62"]
[PlyCount "77"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Nf6 5. Nc3 Bd7 6. dxe5 dxe5 7. 0-0 Be7 8. Nd5 Nxe4 9. Re1 Nf6 10. Bg5 0-0 11. Bxc6 e4 12. Nxf6+ Bxf6 13. Bxf6 Qxf6 14. Bxd7 Rad8 15. Rxe4 Qxb2 16. Qb1 Qxb1+ 17. Rxb1 Rxd7 18. Rxb7 f5 19. Re1 Ra8 20. h3 a5 21. Rb5 g6 22. Rbe5 Rdd8 23. Re7 Rdc8 24. Ng5 h6 25. Nh7 c5 26. Nf6+ Kf8 27. Nd7+ Kg8 28. Nb6 Kf8 29. Nxa8 Rxa8 30. Rc7 a4 31. Rxc5 a3 32. Rc3 Kf7 33. Ree3 Rd8 34. Kf1 f4 35. Re4 g5 36. Rc7+ Kf8 37. Ree7 Ra8 38. Rh7 Re8 39. Rh8# 1-0

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "3.40"]
[White "Pineiro, Daniel"]
[Black "Coello Silva, Joaquin"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "39"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 cxd4 6. cxd4 Qb6 7. a3 Nge7 8. b4 Nf5 9. Bb2 a5 10. b5 Na7 11. a4 Bb4+ 12. Bc3 Bxc3+ 13. Nxc3 Bd7 14. Rc1 Rc8 15. Ne2 0-0 16. g4 Ne7 17. h4 Rxc1 18. Qxc1 Rc8 19. Qa3 Ng6 20. h5 1-0

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "1.48"]
[White "Rivetti, Sofia"]
[Black "Coello Silva, Joaquin"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "49"]
[EventDate "2004.10.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Bd7 6. Qe2+ Qe7 7. Qxe7+ Bxe7 8. Bxd7+ Nxd7 9. Ngf3 Ngf6 10. 0-0 0-0 11. Re1 Rfe8 12. Nf1 Bd6 13. Be3 Rac8 14. c3 cxd4 15. Bxd4 a6 16. Ng3 Bxg3 17. hxg3 h6 18. Ne5 Nxe5 19. Bxe5 Nd7 20. Bd4 Rxe1+ 21. Rxe1 Nc5 22. Rd1 Ne6 23. Be3 Rd8 24. f3 b5 25. Kf2 1-0

