[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "6"]
[White "Bernuchi, Ezequiel"]
[Black "Ortega, Matias"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "82"]
[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. a3 Bc5 5. Bc4 0-0 6. 0-0 d6 7. b4 Bd4 8. Bb2 Bg4 9. h3 Bxf3 10. Qxf3 Bxc3 11. Bxc3 Nd4 12. Bxd4 exd4 13. Rae1 c6 14. e5 dxe5 15. Rxe5 b5 16. Bb3 Qc8 17. c3 dxc3 18. dxc3 a5 19. bxa5 Rxa5 20. Bc2 Rxa3 21. Qd3 g6 22. Rfe1 b4 23. Rc5 bxc3 24. Rxc3 Rxc3 25. Qxc3 Nd5 26. Qb2 Qb8 27. Qxb8 Rxb8 28. Be4 Re8 29. Kf1 Re6 30. Bxd5 cxd5 31. Rxe6 fxe6 32. Ke2 Kf7 33. Ke3 Kf6 34. Kd4 Kf5 35. Ke3 e5 36. g4+ Ke6 37. f3 h5 38. gxh5 gxh5 39. Kd3 Kf5 40. Ke3 e4 41. f4 h4 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "7"]
[White "Ortega, Matias"]
[Black "Fiora, Emilio"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "98"]
[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. Nc3 e6 3. Nf3 d5 4. exd5 exd5 5. Bb5+ Nc6 6. Bxc6+ bxc6 7. d3 Be7 8. 0-0 Nf6 9. Bg5 0-0 10. Bxf6 Bxf6 11. d4 cxd4 12. Nxd4 Qb6 13. Nce2 c5 14. Nb3 Bb7 15. c3 Be5 16. Ng3 c4 17. Nd4 Bxd4 18. Qxd4 Qxd4 19. cxd4 Rfe8 20. Rfe1 g6 21. b3 c3 22. Rac1 c2 23. Rxe8+ Rxe8 24. Rxc2 Re1+ 25. Nf1 Ba6 26. h3 Rxf1+ 27. Kh2 Bd3 28. Rc7 Rxf2 29. Rxa7 Be4 30. Rd7 Rxg2+ 31. Kh1 Rxa2+ 32. Kg1 Rd2 33. b4 Rxd4 34. b5 Rb4 35. Rb7 d4 36. Rb8+ Kg7 37. Kf2 d3 38. Ke1 Rb2 39. Rd8 Rxb5 40. Kd2 Rb2+ 41. Ke3 Bf5 42. h4 Kh6 43. Rd4 Re2+ 44. Kf3 Kh5 45. Rb4 Bg4+ 46. Rxg4 Re3+ 47. Kxe3 Kxg4 48. Kxd3 f5 49. Ke2 f4 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "2"]
[White "Bava Lopez, Luciano"]
[Black "Ortega, Matias"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "60"]
[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 Nf6 3. Nf3 Bc5 4. Nxe5 0-0 5. 0-0 Nxe4 6. Re1 Bxf2+ 7. Kf1 Bxe1 8. Qxe1 Qe7 9. Qxe4 d6 10. d4 dxe5 11. dxe5 Kh8 12. Kg1 f5 13. Qf4 Re8 14. Qg3 Qxe5 15. Qb3 Be6 16. Bg5 Bxc4 17. Qxc4 Qe1+ 18. Qf1 h6 19. Bd2 Qxf1+ 20. Kxf1 Rd8 21. Bf4 c6 22. Bc7 Rd7 23. Be5 Na6 24. Nc3 Nc5 25. Re1 Re8 26. b4 Ne4 27. Nxe4 fxe4 28. Rxe4 Kh7 29. Re3 Rde7 30. g4 Rxe5 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "3"]
[White "Ortega, Matias"]
[Black "Arolfo, Matias"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "129"]
[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 h6 5. 0-0 Bb4 6. Nd5 0-0 7. Nxf6+ Qxf6 8. d3 d6 9. Bd2 Bc5 10. Qe1 Nd4 11. Nxd4 Bxd4 12. Bc3 Bxc3 13. bxc3 Be6 14. Bxe6 Qxe6 15. d4 Rfe8 16. d5 Qf6 17. c4 Qf4 18. g3 Qf3 19. Qe3 Qxe3 20. fxe3 Rab8 21. c3 b5 22. cxb5 Rxb5 23. Rab1 Reb8 24. Rxb5 Rxb5 25. Rc1 Rb2 26. a4 Ra2 27. c4 Rxa4 28. c5 Ra6 29. cxd6 cxd6 30. Rc8+ Kh7 31. Kg2 Ra2+ 32. Kh3 Re2 33. Rc7 Kg6 34. Rxa7 Rxe3 35. Ra4 Re1 36. Kg2 Re2+ 37. Kf3 Rxh2 38. Ra6 Rh3 39. Rxd6+ f6 40. Kg2 Rh5 41. g4 Rg5 42. Kf3 h5 43. gxh5+ Rxh5 44. Kg4 Rg5+ 45. Kh4 Rh5+ 46. Kg4 Rh2 47. Kf3 Rh3+ 48. Kg4 Re3 49. Re6 Rxe4+ 50. Kf3 Rd4 51. d6 Kf5 52. Re7 g5 53. d7 g4+ 54. Kg3 Rd3+ 55. Kf2 e4 56. Ke2 Rd6 57. Kf2 Kf4 58. Rf7 f5 59. Re7 g3+ 60. Kg2 Rd2+ 61. Kh3 Kf3 62. Rg7 f4 63. Rf7 e3 64. Re7 g2 65. Rg7 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "1"]
[White "Ortega, Matias"]
[Black "Benedetti, Julio"]
[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. Ng5 0-0 6. 0-0 h6 7. Nxf7 Rxf7 8. Bxf7+ Kxf7 9. d3 d6 10. Nd5 Bg4 11. Qe1 Nd4 12. Qd2 Ne6 13. Nxf6 Qxf6 14. h3 Bh5 15. b3 Bd4 16. c3 Bb6 17. Bb2 Rf8 18. Rfe1 Kg8 19. Rf1 Bf3 20. gxf3 Qxf3 21. Rae1 Nf4 22. Re3 Qg2# 0-1

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "4"]
[White "Vidal, Benjamin"]
[Black "Ortega, Matias"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "90"]
[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 Bb4 5. 0-0 Bxc3 6. dxc3 0-0 7. Bg5 d6 8. Bxf6 Qxf6 9. h3 Be6 10. Bxe6 Qxe6 11. Ng5 Qg6 12. Qg4 f5 13. exf5 Qxf5 14. Ne4 Qxg4 15. hxg4 Rf4 16. f3 b6 17. g3 Rf7 18. f4 exf4 19. gxf4 d5 20. Ng3 d4 21. cxd4 Nxd4 22. c3 Nc2 23. Rac1 Ne3 24. Rf3 Nxg4 25. f5 g6 26. Kg2 Re8 27. fxg6 Rxf3 28. Kxf3 Ne5+ 29. Kg2 Nxg6 30. Nh5 Rf8 31. Rd1 Nf4+ 32. Nxf4 Rxf4 33. Kg3 Rf8 34. b4 a5 35. bxa5 bxa5 36. Rd7 Rc8 37. Kf4 h6 38. Kg4 Kf8 39. Kh5 Ke8 40. Rh7 Rd8 41. Kxh6 Rd3 42. Rxc7 Rd2 43. Rc8+ Kd7 44. Ra8 Rxa2 45. Ra7+ Kd6 0-1

