[Event "Mar del Plata op 40th"]
[Site "Mar del Plata"]
[Date "2009.04.11"]
[Round "8"]
[White "Fidel, Roberto Oscar"]
[Black "Onsari, Leandro"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2156"]
[BlackElo "2004"]
[PlyCount "63"]
[EventDate "2009.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 c6 6. e3 0-0 7. Bd3 a6 8. 0-0 b5 9. cxd5 cxd5 10. Qb3 e6 11. Rfc1 Nc6 12. Ne5 Na5 13. Qb4 Re8 14. Ng4 Nc4 15. Nxf6+ Bxf6 16. Bxf6 Qxf6 17. b3 a5 18. Qc5 b4 19. Nb5 Nb2 20. Bf1 e5 21. Qc2 Rb8 22. Qxb2 e4 23. Rc5 h5 24. Nc7 Rd8 25. Nxd5 Qd6 26. Rac1 Bd7 27. Nf4 Kg7 28. Qc2 f5 29. h4 g5 30. hxg5 Rg8 31. Rc7 Kh8 32. Qc5 1-0

[Event "Mar del Plata op 40th"]
[Site "Mar del Plata"]
[Date "2009.04.07"]
[Round "4"]
[White "Onsari, Leandro"]
[Black "Virgillito, Cristian"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2004"]
[BlackElo "2216"]
[PlyCount "100"]
[EventDate "2009.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Qb6 14. Bg2 0-0-0 15. 0-0 b4 16. Rb1 Bh6 17. Bxh6 Rxh6 18. dxe6 fxe6 19. Na4 Qa6 20. f7 Rf6 21. Bxb7+ Qxb7 22. Qd6 e5 23. Qe7 Qf3 24. Rbd1 Rxf7 25. Qd6 Rh8 26. Qd5 Rh6 27. Nxc5 Qxd5 28. Rxd5 Rc6 29. Nxd7 Rxd7 30. Rxd7 Kxd7 31. h4 Ke6 32. Kg2 Ra6 33. Ra1 Kd5 34. g4 Ke4 35. Kg3 b3 36. a3 Kd3 37. Rc1 Rxa3 38. Rc3+ Kd4 39. h5 Ra1 40. h6 Rh1 41. g5 a5 42. Kg2 Rh5 43. Rg3 a4 44. g6 a3 45. g7 axb2 46. g8Q b1Q 47. Qd8+ Kc5 48. Qa5+ Kc6 49. Qa6+ Kc5 50. Qa5+ Kc6 1/2-1/2

