[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.11.01"]
[Round "9"]
[White "De Maria, Juan Pablo"]
[Black "Dolezal, Cristian"]
[Result "1/2-1/2"]
[ECO "B43"]
[BlackElo "2325"]
[PlyCount "134"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Qc7 6. Bd3 Nf6 7. Nc3 a6 8. 0-0 b5 9. Qe2 Nc6 10. f4 d6 11. Bd2 Be7 12. Rae1 b4 13. Nd1 a5 14. e5 Nd5 15. c4 bxc3 16. Nxc3 Nxc3 17. Bxc3 d5 18. Kh1 Nb4 19. Bb5+ Bd7 20. a3 Bxb5 21. Qxb5+ Qc6 22. Qe2 Qa4 23. axb4 Qxb3 24. Qb5+ Kf8 25. Qc6 Rd8 26. bxa5 d4 27. Bd2 g6 28. f5 exf5 29. Bh6+ Kg8 30. e6 Qd5 31. exf7+ Qxf7 32. a6 Bf8 33. Bg5 Rd6 34. Qa8 Kg7 35. a7 Ra6 36. Ra1 Bc5 37. Qxh8+ Kxh8 38. Rxa6 Bxa7 39. Rfa1 Bb8 40. Bf6+ Kg8 41. Bxd4 Qc4 42. R6a4 Qd5 43. Bg1 Kg7 44. Rb4 Be5 45. Ra7+ Kh6 46. Rbb7 Kg5 47. Rxh7 Bxb2 48. h4+ Kg4 49. Ra6 g5 50. Rg6 Bc1 51. hxg5 Qd1 52. Rh3 f4 53. Kh2 Qe2 54. Rf6 Kxg5 55. Rf8 Bd2 56. Rg8+ Kf6 57. Bd4+ Kf7 58. Rhh8 Qd3 59. Rf8+ Ke6 60. Bf2 Bb4 61. Re8+ Kf5 62. Rh5+ Kf6 63. Rh3 Qd2 64. Bh4+ Kf7 65. Re4 Bc5 66. Rf3 Bd6 67. Bg5 Qd5 1/2-1/2

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.28"]
[Round "5"]
[White "De Maria, Juan Pablo"]
[Black "Contessotto, Enrique"]
[Result "1-0"]
[ECO "C88"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. d3 d6 10. c3 Re8 11. Na3 h6 12. Nc2 Na5 13. Ba2 Bf8 14. b4 Nc6 15. Ne3 Ne7 16. Qb3 d5 17. Nxe5 bxa4 18. Qxa4 Qd6 19. f4 Nc8 20. Nf5 Qd8 21. Be3 Nd6 22. Ng3 Nb5 23. Qc2 Rxe5 24. fxe5 Ng4 25. exd5 Qh4 26. Nf1 Nxe5 27. d4 Ng6 28. Bf2 Qg5 29. c4 Nd6 30. Ng3 Bc8 31. c5 Nb5 32. Bc4 Rb8 33. Be3 Qg4 34. Qe4 Qd7 35. Bd2 Ne7 36. Rf1 f5 37. d6+ Kh8 38. dxe7 Bxe7 39. Nxf5 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.25"]
[Round "3"]
[White "De Maria, Juan Pablo"]
[Black "Alvarez, Carlos"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "79"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 h6 6. Bf4 c6 7. Bd3 Qa5 8. Nf3 Bg4 9. 0-0-0 Nbd7 10. Kb1 0-0-0 11. h3 Bxf3 12. gxf3 e5 13. Be3 Nh5 14. Be2 g5 15. d5 Nc5 16. a3 cxd5 17. Nxd5 Qxd2 18. Rxd2 Kb8 19. Rhd1 Ne6 20. c3 Rhe8 21. Bb5 Rh8 22. Ne7 Bf8 23. Nf5 Nhf4 24. Bf1 d5 25. exd5 Nc5 26. d6 Nb3 27. Rc2 Ne6 28. Ka2 Nbc5 29. b4 Nd7 30. c4 Nf6 31. c5 Ng7 32. Nxg7 Bxg7 33. b5 Bf8 34. Bc4 Rh7 35. Bd3 Rh8 36. Bf5 Ne8 37. a4 Rg8 38. a5 b6 39. axb6 axb6 40. d7 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.25"]
[Round "2"]
[White "Pereyra Arcija, Diego"]
[Black "De Maria, Juan Pablo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2420"]
[PlyCount "75"]
[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 g6 2. g3 Bg7 3. Bg2 d5 4. Nf3 Nc6 5. 0-0 Nh6 6. c4 Nf5 7. cxd5 Ncxd4 8. Nfd2 e5 9. Nc3 Nd6 10. e3 N4f5 11. Nb3 0-0 12. Qe2 Re8 13. Bd2 a5 14. Rfc1 b6 15. Be1 Ba6 16. Qc2 Rc8 17. Nd2 Bh6 18. Qa4 Nb7 19. Nde4 Nfd6 20. b4 axb4 21. Qxb4 Nxe4 22. Nxe4 f5 23. Qa4 fxe4 24. Qxa6 Qxd5 25. Rd1 Qc6 26. Rac1 Nc5 27. Qc4+ Kh8 28. Rd5 Rcd8 29. Bxe4 Rxd5 30. Bxd5 Qf6 31. Bc3 Bg7 32. a4 Rf8 33. Rf1 Qd6 34. a5 b5 35. Qa2 Na4 36. Be1 Qa6 37. Qd2 c6 38. Bb3 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.24"]
[Round "1"]
[White "De Maria, Juan Pablo"]
[Black "Garrido, Jose"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "45"]
[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. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Bc4 Nf6 7. Qb3 Bc5 8. Bxf7+ Kf8 9. 0-0 Nxe4 10. Bd5 Nd6 11. Bxb7 Nxb7 12. Qxb7 Nd7 13. Nc3 Rb8 14. Qd5 Qe7 15. Ne4 Bb6 16. Bg5 Nf6 17. Nxf6 gxf6 18. Bh6+ Ke8 19. Rad1 Rd8 20. Qxd8+ Qxd8 21. Rxd8+ Kxd8 22. Bg7 Rg8 23. Bxf6+ 1-0

[Event "Siena op"]
[Site "Siena"]
[Date "1995.??.??"]
[Round "?"]
[White "De Maria, Juan Pablo"]
[Black "Cicioni, Luigi"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "56"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 Bd6 7. Nf3 Bg4 8. 0-0 0-0 9. Bg5 h6 10. Bxf6 Qxf6 11. e3 Rd8 12. e4 Nd7 13. b4 a6 14. Na4 Qe6 15. Nc5 Bxc5 16. bxc5 Re8 17. Rb1 Rab8 18. Qd2 Nf6 19. Ne5 Bh3 20. Rfc1 Bxg2 21. Kxg2 Nxe4 22. Qd3 Qf5 23. f3 Rxe5 24. dxe5 Qh3+ 25. Kxh3 Nf2+ 26. Kg2 Nxd3 27. Rc3 Nxe5 28. Rbb3 Nc4 1-0

