[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "7"]
[White "Barrionuevo, Leonardo"]
[Black "Lamelza, Tomas"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "67"]
[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. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bc4 c5 7. Qd3 g6 8. Qf3 Be6 9. Bb5+ Bd7 10. Nc3 Bxb5 11. Nxb5 Qa5+ 12. Nc3 Bg7 13. Bd2 Qc7 14. 0-0 Nf6 15. Rfe1 0-0 16. Rad1 Rfe8 17. Bf4 Qe7 18. Bxd6 Qe6 19. Bxc5 b6 20. Be3 Nxe4 21. Nd5 Rac8 22. c3 g5 23. Bd4 g4 24. Qe2 Bxd4 25. Rxd4 f5 26. Nf4 Qe5 27. Qe3 Rc5 28. Nd3 Qc7 29. Nxc5 bxc5 30. Rd5 Qc6 31. Rxf5 Nd6 32. Qg5+ Kh8 33. Qf6+ Kg8 34. Rg5# 1-0

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "5"]
[White "Barrionuevo, Leonardo"]
[Black "Tejera, Darinka"]
[Result "1/2-1/2"]
[ECO "B73"]
[PlyCount "50"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Re1 Ne5 10. h3 Bd7 11. f4 Nc6 12. Qd2 Rc8 13. Bf3 e5 14. Nxc6 Bxc6 15. Rad1 Ne8 16. Bxa7 Ra8 17. Be3 b5 18. a3 h5 19. Be2 Rb8 20. Bc5 exf4 21. Bxd6 Nxd6 22. Qxf4 Kh7 23. Rxd6 Qc7 24. Qd2 Rbd8 25. Rxd8 Rxd8 1/2-1/2

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "6"]
[White "Olmos, Sebastian"]
[Black "Barrionuevo, Leonardo"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "65"]
[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. cxd5 exd5 4. Nc3 Be6 5. Nf3 Nd7 6. Bf4 c5 7. e3 a6 8. Be2 Ngf6 9. 0-0 Be7 10. Ne5 0-0 11. Bg4 Bxg4 12. Nxg4 Re8 13. dxc5 Nxg4 14. Qxg4 Nf6 15. Qf3 Bxc5 16. Rfd1 Qb6 17. Nxd5 Nxd5 18. Qxd5 Rad8 19. Qb3 Qxb3 20. axb3 h6 21. Bc7 Rxd1+ 22. Rxd1 Be7 23. g3 Bf6 24. Rd2 Rc8 25. Bd6 Rc1+ 26. Kg2 Rb1 27. Ba3 b5 28. b4 Be5 29. Kf3 Kf8 30. Ke4 Bf6 31. f4 Ke7 32. Kf3 Ke6 33. e4 1-0

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "3"]
[White "Barrionuevo, Leonardo"]
[Black "Fulginiti, Maria Clara"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "38"]
[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 Nf6 3. Nc3 d6 4. Bc4 h6 5. g3 c5 6. d3 Nc6 7. Be3 a6 8. Qd2 Bd7 9. Bd5 b5 10. a3 Qb6 11. Ba2 Nd4 12. Nd5 Nxd5 13. Nxd4 Nf6 14. Ne2 Bc6 15. Qc3 b4 16. Qb3 Qb7 17. axb4 Qxb4+ 18. Qxb4 cxb4 19. Bc4 Bb7 1/2-1/2

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "1"]
[White "Barrionuevo, Leonardo"]
[Black "Nicolosi, Ramiro"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "81"]
[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. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. Bc4 b6 7. e5 Bc5 8. Qd3 Ng4 9. Qd5 Qe7 10. 0-0 Bxf2+ 11. Rxf2 Nxf2 12. Kxf2 c6 13. Qd6 Qxd6 14. exd6 0-0 15. Nc3 b5 16. Bd3 Bb7 17. Bg5 f6 18. Bf4 Rfe8 19. Ne4 g5 20. Nxf6+ Kf7 21. Nxe8 gxf4 22. Nc7 Rc8 23. h3 Kf6 24. Bxh7 Ke5 25. Rd1 c5 26. Nxb5 a6 27. Nc7 Rf8 28. Re1+ Kf6 29. Re7 Bc6 30. Ne8+ Kg5 31. Bd3 a5 32. Re5+ Kh4 33. Bg6 Rh8 34. Rxc5 Rh6 35. Bd3 f3 36. gxf3 Kxh3 37. Rg5 Kh4 38. Rg4+ Kh3 39. Bf1+ Kh2 40. Rg2+ Kh3 41. Rg6+ 1-0

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "4"]
[White "Massaferro, Cristian"]
[Black "Barrionuevo, Leonardo"]
[Result "1-0"]
[ECO "C01"]
[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. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nf3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Nf6 8. Be2 0-0 9. 0-0 Bf5 10. Nc3 Nbd7 11. cxd5 cxd5 12. Rfe1 Re8 13. Bb5 Ne4 14. Nxe4 Rxe4 15. Bxd7 Rxe1+ 16. Rxe1 Qxd7 17. Qf4 h6 18. h3 Rc8 19. Ne5 Qe6 20. Re3 Qf6 21. Rf3 g6 22. g4 Qb6 23. gxf5 g5 24. Qg4 Qxb2 25. Qh5 Qe2 26. Qxf7+ Kh8 27. Ng6# 1-0

[Event "Buenos Aires Najdorf U08/10"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "2"]
[White "Otero, Diego"]
[Black "Barrionuevo, Leonardo"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "70"]
[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. Nf3 d5 3. Qe2 dxe4 4. Qxe4 Nf6 5. Qe3 Nc6 6. Nc3 Be7 7. Bc4 b6 8. 0-0 Bb7 9. d4 0-0 10. b3 Nb4 11. Bd3 Bd6 12. a3 Ng4 13. Qg5 Qxg5 14. Nxg5 Nxd3 15. cxd3 Nxh2 16. Re1 h6 17. Nge4 Rad8 18. Nb5 Ng4 19. Nxa7 c6 20. f3 Nf6 21. Nxf6+ gxf6 22. Bxh6 Rfe8 23. Rac1 Bxa3 24. Rc2 Rxd4 25. Re3 Bc5 26. f4 Rxd3 27. f5 Bxe3+ 28. Bxe3 Rxe3 29. Nxc6 Bxc6 30. Rxc6 Rxb3 31. fxe6 Rxe6 32. Rc8+ Kg7 33. Kh2 Re2 34. Kg1 Rg3 35. Kf1 Rgxg2 0-1

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.22"]
[Round "7"]
[White "Becker, Jonathan"]
[Black "Barrionuevo, Leonardo"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "54"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Nbd7 5. Bb5 Be7 6. Bxf6 gxf6 7. Nf3 c6 8. Bd3 dxe4 9. Nxe4 c5 10. c3 Qb6 11. Qc2 h6 12. 0-0-0 f5 13. dxc5 Nxc5 14. Nxc5 Bxc5 15. Rhf1 Rg8 16. g3 Bd7 17. Ne5 Rd8 18. a4 Be3+ 19. Kb1 Bc5 20. Nxd7 Rxd7 21. Bb5 Bd6 22. c4 Qc5 23. Bxd7+ Kxd7 24. Qb3 Kc7 25. Qb5 a6 26. Qxc5+ Bxc5 27. f3 Kb6 1-0

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.21"]
[Round "6"]
[White "Barrionuevo, Leonardo"]
[Black "Leone, Mariano"]
[Result "0-1"]
[ECO "C62"]
[BlackElo "2030"]
[PlyCount "46"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 5. Bb5 Bd7 6. Nc3 a6 7. Bc4 g6 8. Be3 Bg7 9. Qf3 Ne5 10. Qe2 Nf6 11. h3 b5 12. Bd5 c6 13. f4 cxd5 14. fxe5 dxe5 15. Nf3 d4 16. Nxd4 exd4 17. Bxd4 0-0 18. g4 Bc6 19. Rd1 Qc8 20. Qe3 Nxe4 21. Bxg7 Kxg7 22. Rd4 Nf6 23. g5 Nh5 0-1

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.18"]
[Round "4"]
[White "Barrionuevo, Leonardo"]
[Black "Garcia, Ezequiel Alejandro"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "64"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. d3 g6 6. Nf3 Bg4 7. 0-0 Bg7 8. Bg5 0-0 9. Qd2 Rb8 10. Bh6 Bxf3 11. Bxf3 Nd4 12. Bd1 Qc8 13. Bxg7 Kxg7 14. Kg2 Qc6 15. Ne2 e5 16. Nxd4 cxd4 17. h4 Nd7 18. h5 f5 19. h6+ Kg8 20. Bf3 fxe4 21. Bxe4 d5 22. Bf3 e4 23. Bg4 Ne5 24. Be2 Nf3 25. Bxf3 exf3+ 26. Kg1 Qd7 27. Kh2 Rf5 28. g4 Qd6+ 29. Kh3 Rf4 30. Rg1 g5 31. Rae1 Qxh6+ 32. Kg3 Qh4# 0-1

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.16"]
[Round "3"]
[White "Sanchez, Mariana"]
[Black "Barrionuevo, Leonardo"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1804"]
[PlyCount "109"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 dxc4 4. e3 Bb4 5. Qa4+ Nc6 6. Bxc4 Be7 7. Nf3 Bd7 8. Qd1 Nf6 9. h3 a6 10. a3 0-0 11. 0-0 Bd6 12. Bd3 e5 13. dxe5 Nxe5 14. Be2 Ng6 15. Re1 Re8 16. Bf1 Ne4 17. Nxe4 Rxe4 18. Bd3 Re8 19. Bd2 Bc6 20. Bc3 Bf8 21. Be2 Qxd1 22. Raxd1 Rad8 23. Nd4 Ba4 24. Rd2 c5 25. Nf3 Rxd2 26. Bxd2 Ne5 27. Nxe5 Rxe5 28. Bc3 Rg5 29. Bf3 Bc6 30. Bxc6 bxc6 31. Rc1 h6 32. Ba5 Kh7 33. Rc4 Kg6 34. g3 h5 35. Kf1 Re5 36. Bc3 Re6 37. Ra4 f5 38. Rxa6 Kg5 39. Ra7 g6 40. Ra4 Bd6 41. Rc4 Re4 42. Rxe4 fxe4 43. a4 Kf5 44. Ke2 g5 45. Kd1 Ke6 46. Ba5 Be5 47. Kc2 Kd5 48. Bc3 Bxc3 49. Kxc3 c4 50. a5 Kc5 51. a6 Kb6 52. Kxc4 Kxa6 53. Kd4 Kb5 54. Kxe4 c5 55. Kd3 1-0

[Event "Villa Ballester de Invierno op 4th"]
[Site "Villa Ballester"]
[Date "2004.08.14"]
[Round "1"]
[White "Barrionuevo, Leonardo"]
[Black "Diconza, Eduardo"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "2095"]
[PlyCount "70"]
[EventDate "2004.08.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 e5 7. d3 Nge7 8. Be3 Nd4 9. Qd2 Bg4 10. Ne1 Qd7 11. f3 Be6 12. Nd1 h5 13. h4 Bh3 14. c3 Bxg2 15. Nxg2 Ne6 16. Nf2 d5 17. Nh3 d4 18. cxd4 cxd4 19. Bf2 Bh6 20. f4 exf4 21. Nhxf4 Nc6 22. Qe2 0-0-0 23. Rac1 Kb8 24. Nxe6 Qxe6 25. Ra1 Ne5 26. Kh2 Ng4+ 27. Kg1 g5 28. hxg5 Bxg5 29. Nf4 Bxf4 30. gxf4 Rhg8 31. Bg3 Ne3 32. Kf2 Rxg3 33. Kxg3 Rg8+ 34. Kf3 Qh3+ 35. Kf2 Qg3# 0-1

