[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "5"]
[White "Castro, Julian"]
[Black "Martinez Alonso, Mariano"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "76"]
[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. d3 Nc6 3. Nd2 e6 4. Ngf3 d6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 Re8 9. Nf1 Bd7 10. h4 e5 11. N3h2 h6 12. c4 b6 13. Be3 a5 14. a4 Rb8 15. b3 Qc8 16. Qd2 Bf8 17. Rad1 Ng4 18. Nxg4 Bxg4 19. Rc1 Qa6 20. Nh2 Be6 21. Qe2 Nb4 22. Red1 Qc8 23. Qh5 Qd7 24. Qe2 f5 25. Rf1 Kh8 26. f4 Rbd8 27. Qh5 exf4 28. Bxf4 Nxd3 29. Rcd1 Nxf4 30. Rxf4 fxe4 31. Bxe4 Bg8 32. Bc2 Re5 33. Qf3 Ree8 34. Bf5 Qc7 35. Qh5 Qb7 36. Qg6 Re2 37. Nf3 Re7 38. Ng5 Rf7 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "7"]
[White "Goldwaser, Romina"]
[Black "Martinez Alonso, Mariano"]
[Result "1/2-1/2"]
[ECO "C08"]
[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. d4 d5 2. e4 e6 3. Nd2 c5 4. dxc5 Bxc5 5. Nb3 Bb6 6. exd5 exd5 7. Nf3 Nf6 8. Be2 0-0 9. 0-0 Be6 10. Bf4 Nc6 11. Re1 Re8 12. h3 Rc8 13. Bd3 Nb4 14. a3 Nxd3 15. cxd3 h6 16. Nbd4 Bxd4 17. Nxd4 Qb6 18. Nxe6 Rxe6 19. Rxe6 Qxe6 20. Qb3 b6 21. Qd1 Qf5 1/2-1/2

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "6"]
[White "Martinez Alonso, Mariano"]
[Black "Faroppa, Martin"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "53"]
[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. c4 e6 2. Nf3 Bc5 3. g3 d5 4. cxd5 exd5 5. Bg2 Ne7 6. Nc3 Nbc6 7. d4 Bb6 8. 0-0 Bf5 9. Be3 0-0 10. Nh4 Bg6 11. Nxg6 fxg6 12. a4 Qd7 13. Qb3 Rad8 14. Rad1 Nf5 15. Nxd5 Bxd4 16. Nf6+ Kh8 17. Nxd7 Rxd7 18. Bxc6 bxc6 19. Bxd4 Nxd4 20. Rxd4 Rxd4 21. Qa3 Re8 22. Qb3 h6 23. Qc2 Kh7 24. h4 h5 25. e3 Rd6 26. Rd1 Ree6 27. Rd4 1-0

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "2"]
[White "Balbachan, Eric Steven"]
[Black "Martinez Alonso, Mariano"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "72"]
[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. Bc4 d6 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 Nxd4 7. Qxd4 Be7 8. Be3 0-0 9. h3 Re8 10. 0-0 Nd7 11. f4 Nc5 12. e5 Ne6 13. Qe4 c6 14. exd6 Bxd6 15. Rad1 Qc7 16. Qf3 b6 17. f5 Nf8 18. Bb3 Bb7 19. Kh1 c5 20. Qf2 Bg3 21. Bf4 Qxf4 22. Qxf4 Bxf4 23. Rxf4 Re3 24. Kh2 Rae8 25. f6 g6 26. Bd5 Bxd5 27. Nxd5 Re2 28. Rc1 h5 29. b3 R8e6 30. a4 Nd7 31. Rf3 Rd2 32. c4 Ree2 33. Rg3 Ne5 34. h4 Rf2 35. Re1 Rfe2 36. Rxe2 Rxe2 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "3"]
[White "Cohen Semag, Guido"]
[Black "Martinez Alonso, Mariano"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "92"]
[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. Bg5 g6 3. e3 Bg7 4. c4 c6 5. Nf3 Nf6 6. Bxf6 Bxf6 7. Nc3 Bg4 8. cxd5 cxd5 9. Bb5+ Nc6 10. Bxc6+ bxc6 11. h3 Bxf3 12. Qxf3 0-0 13. 0-0 Rb8 14. b3 Re8 15. Rac1 Rc8 16. Na4 Bg7 17. Nc5 Bh6 18. Rc2 Qd6 19. Rfc1 e5 20. dxe5 Rxe5 21. Nb7 Qd7 22. Na5 Re6 23. Qg4 d4 24. Qxd4 Qxd4 25. exd4 Bxc1 26. Rxc1 Rd6 27. f3 Kg7 28. Rd1 Rd5 29. Nc4 c5 30. Ne3 Rxd4 31. Rxd4 cxd4 32. Nc4 Re8 33. Kf2 d3 34. Ne3 Rc8 35. Nc4 Re8 36. Ne3 f5 37. f4 d2 38. g3 Rxe3 39. Kxe3 d1Q 40. h4 Kf6 41. b4 Ke6 42. a3 Kd5 43. Kf2 Ke4 44. b5 Qf3+ 45. Ke1 Ke3 46. b6 Qe2# 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "1"]
[White "Martinez Alonso, Mariano"]
[Black "Arbulu Rocha, Javier Ignacio"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "51"]
[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. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. d3 Nc6 5. Bg2 0-0 6. Nf3 b6 7. Nxe5 Nxe5 8. Bxa8 Nfg4 9. d4 Qf6 10. 0-0 Qf5 11. dxc5 bxc5 12. Bg2 Qh5 13. h3 Nf6 14. e3 Qxd1 15. Rxd1 d6 16. Nb5 Nxc4 17. Nxc7 Rd8 18. b3 Ne5 19. Ba3 Ne8 20. Bb2 Nxc7 21. Bxe5 Nb5 22. a4 Re8 23. Bxd6 Nxd6 24. Rxd6 Bf5 25. Rad1 Bc2 26. Rd8 1-0

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "4"]
[White "Martinez Alonso, Mariano"]
[Black "Driz, Ivan"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "74"]
[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. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d3 0-0 6. Nf3 c6 7. 0-0 Nbd7 8. Bd2 Nb6 9. Re1 e5 10. Rc1 Nh5 11. a3 f5 12. Bg5 Qc7 13. b4 f4 14. b5 h6 15. Bh4 g5 16. Nxg5 hxg5 17. Bxg5 fxg3 18. fxg3 Be6 19. bxc6 bxc6 20. Qd2 Rac8 21. Bh6 Nf6 22. Ne4 Nxe4 23. Bxe4 Qe7 24. Rf1 Bh3 25. Rxf8+ Qxf8 26. Bxg7 Qxg7 27. Qa5 Qf7 28. Qd2 Qf6 29. Bg2 Bxg2 30. Kxg2 Rf8 31. Kh1 Rf7 32. Qa2 c5 33. Qb2 Qf2 34. Qb5 Qxe2 35. Qe8+ Kg7 36. Qd8 Qf3+ 37. Kg1 Qe3+ 0-1

