[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.27"]
[Round "4"]
[White "Paredes, Santiago"]
[Black "Acosta, Francisco"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "77"]
[EventDate "1998.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 b6 2. Nc3 Bb7 3. e4 e6 4. Nf3 Nc6 5. Bf4 Bb4 6. a3 Bxc3+ 7. bxc3 Nf6 8. Bd3 h6 9. 0-0 Qe7 10. Re1 0-0-0 11. Qe2 d6 12. Ba6 Kb8 13. Bxb7 Kxb7 14. a4 a5 15. Qb5 Na7 16. Qe2 Rhg8 17. Rab1 g5 18. Bg3 h5 19. h3 Qd7 20. Ra1 g4 21. hxg4 Rxg4 22. e5 Ne4 23. exd6 cxd6 24. Bh4 Rdg8 25. g3 d5 26. Ne5 Nxc3 27. Qd3 Qc8 28. Nxg4 Rxg4 29. Re3 Ne4 30. f3 Rxg3+ 31. Bxg3 h4 32. fxe4 hxg3 33. exd5 Qh8 34. Rxg3 exd5 35. Rf3 f6 36. Qf5 Qd8 37. Qxf6 Qxf6 38. Rxf6 Nc6 39. Rxc6 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.25"]
[Round "3"]
[White "Acosta, Francisco"]
[Black "Sobrero, Andrea"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "42"]
[EventDate "1998.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Bc5 4. d3 d6 5. h3 Nc6 6. Nf3 h6 7. Bd2 0-0 8. Nd5 Nxd5 9. Bxd5 Ne7 10. Bb3 Kh8 11. 0-0 f5 12. Qe2 Ng6 13. c3 Qf6 14. Bc2 fxe4 15. Qxe4 Bf5 16. Qe2 Rae8 17. c4 Bb6 18. Bc3 Bxh3 19. Rfe1 Bxg2 20. d4 Bxf3 21. Qe3 Qh4 0-1

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.25"]
[Round "2"]
[White "Rodriguez, Pablo"]
[Black "Acosta, Francisco"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2130"]
[PlyCount "63"]
[EventDate "1998.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 e6 3. Bd3 Bg7 4. c3 Ne7 5. Bg5 c6 6. Nf3 d5 7. e5 Qc7 8. Na3 0-0 9. Qd2 Nd7 10. Bxe7 Re8 11. Bg5 f6 12. exf6 Nxf6 13. Ne5 Ne4 14. Bxe4 dxe4 15. Bf4 Qe7 16. Nac4 c5 17. 0-0 Rd8 18. Qe3 Bd7 19. dxc5 Bb5 20. Rfd1 Bxc4 21. Nxc4 e5 22. Bg5 Rxd1+ 23. Rxd1 Qc7 24. Nd6 Qc6 25. Qxe4 Qxe4 26. Nxe4 h6 27. Bh4 Rb8 28. Bf6 Bxf6 29. Nxf6+ Kh8 30. c4 a5 31. Rd7 b6 32. Rh7# 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.24"]
[Round "1"]
[White "Acosta, Francisco"]
[Black "Aparicio, Anibal"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "2305"]
[PlyCount "70"]
[EventDate "1998.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c3 Nf6 4. e3 Bd6 5. d4 e4 6. b4 0-0 7. Ne2 Nbd7 8. Nd2 Nb6 9. a4 a5 10. Ba3 Qe7 11. Qb3 Qd7 12. b5 Qf5 13. Bxd6 cxd6 14. Nf4 g5 15. Bh3 Ng4 16. 0-0 gxf4 17. exf4 Qh5 18. Bxg4 Bxg4 19. h4 Be2 20. Kg2 Bxf1+ 21. Rxf1 Rac8 22. Qa3 Rfd8 23. Rc1 Qe2 24. Nf1 Nc4 25. Qa1 e3 26. Kh3 Qxf2 27. Nh2 f5 28. Rf1 Qc2 29. Nf3 h6 30. Rh1 Nd2 31. Rh2 Rxc3 32. Re2 Qd3 33. Ng1 Qxd4 34. Qd1 Rdc8 35. Nf3 Nxf3 0-1

