[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "5.64"]
[White "Guzman, Paola"]
[Black "Sosa, Guillermo"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "58"]
[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 d5 2. Nf3 Nc6 3. Bf4 e6 4. e3 h5 5. Nbd2 f6 6. Bb5 g5 7. Bxc6+ bxc6 8. Bxg5 fxg5 9. Ne5 Bb7 10. Ng6 Rh6 11. Ne5 Qf6 12. Nb3 0-0-0 13. Na5 Ne7 14. Nxb7 Kxb7 15. c3 Nc8 16. Qb3+ Nb6 17. a4 a5 18. c4 Bb4+ 19. Ke2 Nxc4 20. Nxc4 dxc4 21. Qxc4 Rh7 22. Rac1 Rd6 23. Rhf1 g4 24. f3 Qh4 25. Rh1 Qg5 26. f4 Qh4 27. e4 g3 28. h3 Qxf4 29. Qd3 Qf2+ 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "6.53"]
[White "Sosa, Guillermo"]
[Black "Gitman, Marcia"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "68"]
[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. b3 Nf6 4. Nc3 d6 5. h3 Be7 6. Bb2 0-0 7. Bc4 a6 8. 0-0 b5 9. Bd3 Bb7 10. a4 b4 11. Nd5 Nxd5 12. exd5 Nd4 13. Nxd4 exd4 14. Bxd4 Bxd5 15. Qh5 g6 16. Qxd5 Bf6 17. Bxf6 Qxf6 18. Rac1 Qf4 19. Rcd1 Rae8 20. g3 Qh6 21. Bxa6 Re5 22. Qc4 Qxh3 23. Qxb4 Rh5 24. Qh4 Rxh4 25. gxh4 Qxh4 26. Bb7 Re8 27. Rde1 Qg4+ 28. Bg2 Ra8 29. f3 Qd4+ 30. Rf2 Ra5 31. Re8+ Kg7 32. Re4 Qa1+ 33. Re1 Qxe1+ 34. Kh2 Qxf2 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "2.65"]
[White "Krimer, Nicolas"]
[Black "Sosa, Guillermo"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "57"]
[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. Nf3 Nf6 3. Bg5 Be7 4. Nbd2 0-0 5. e3 h6 6. Bh4 c6 7. Bd3 Qb6 8. b3 g5 9. Bg3 Nh5 10. Bxb8 Rxb8 11. 0-0 g4 12. Ne5 Nf6 13. Nxg4 Kg7 14. Qf3 Nxg4 15. Qxg4+ Kh8 16. Qf4 Bg5 17. Qxb8 Qb4 18. Ne4 Be7 19. Qe5+ Kg8 20. Nf6+ Bxf6 21. Qxf6 Re8 22. Qxh6 Qd6 23. f4 f5 24. Rf3 Kf7 25. Rg3 Rg8 26. Qh7+ Ke8 27. Rxg8+ Qf8 28. Bxf5 exf5 29. Rxf8+ 1-0

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "1.64"]
[White "Sosa, Guillermo"]
[Black "Faroppa, Federico"]
[Result "0-1"]
[ECO "C46"]
[PlyCount "23"]
[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 Bc5 4. g3 Nge7 5. Bg2 0-0 6. 0-0 Re8 7. d3 h6 8. a3 d6 9. h3 f5 10. b4 Bd4 11. Bb2 fxe4 12. dxe4 0-1

[Event "Buenos Aires Najdorf U12/14"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "3.66"]
[White "Sosa, Guillermo"]
[Black "Lamelza, Francisco"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "42"]
[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. g3 Bc5 5. Bg2 d6 6. 0-0 Be6 7. Ng5 0-0 8. Nxe6 fxe6 9. g4 d5 10. g5 Nxe4 11. Nxe4 dxe4 12. Bxe4 Qxg5+ 13. Bg2 Rf7 14. d4 Qg6 15. dxc5 Raf8 16. Qe2 Rf3 17. Bd2 Nd4 18. Qd1 Qg4 19. c3 Nc6 20. b4 Qh4 21. b5 Ne7 0-1

