[Event "ARG-ch sf 84th"]
[Site "La Plata"]
[Date "2009.05.04"]
[Round "7"]
[White "Barrionuevo, Pablo"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2327"]
[BlackElo "2396"]
[PlyCount "81"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 b6 3. f3 e6 4. e4 Be7 5. Nh3 d5 6. e5 Nfd7 7. Be3 c5 8. c3 Ba6 9. Bxa6 Nxa6 10. 0-0 b5 11. Nd2 Qb6 12. f4 g6 13. a3 c4 14. Nf2 h5 15. g3 Nab8 16. Qe2 Nc6 17. h3 a5 18. Rfb1 Qa6 19. Kg2 Nb6 20. g4 hxg4 21. hxg4 Kd7 22. Nf3 Qb7 23. Nh3 b4 24. Nfg5 Nd8 25. Qf3 Na4 26. Bd2 Ra6 27. Qd1 Qb5 28. Qf1 bxc3 29. bxc3 Qc6 30. Qd1 Rb6 31. Rxb6 Nxb6 32. a4 Kc7 33. Bc1 Kd7 34. Qc2 Ke8 35. Qa2 Kd7 36. Nf3 Ke8 37. Nf2 Kd7 38. g5 Kc8 39. Ba3 Qd7 40. Bxe7 Qxe7 41. Rb1 1-0

[Event "ARG-ch sf 84th"]
[Site "La Plata"]
[Date "2009.05.03"]
[Round "6"]
[White "Pereyra Arcija, Diego"]
[Black "Sanchez, Christian"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2396"]
[BlackElo "2062"]
[PlyCount "37"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Bf4 Nf6 6. e3 g6 7. Nb5 Qa5+ 8. Qd2 Qxd2+ 9. Kxd2 e5 10. dxe5 Ng4 11. Ke2 Kd8 12. Rd1 Be6 13. e4 d4 14. Nxd4 Bc4+ 15. Kf3 Ncxe5+ 16. Kg3 Ke8 17. Bxc4 h5 18. Bb5+ Ke7 19. h4 1-0

[Event "ARG-ch sf 84th"]
[Site "La Plata"]
[Date "2009.05.02"]
[Round "5"]
[White "Duarte, Leonardo"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2341"]
[BlackElo "2396"]
[PlyCount "82"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 Bf6 9. Qd2 c5 10. d5 e5 11. h4 h6 12. 0-0-0 e4 13. Qe3 Nd7 14. Nd2 Bd4 15. Qf4 Qf6 16. Nc4 Kf8 17. Nb5 Nb6 18. Nxd4 Nxd5 19. Qd6+ Qxd6 20. Nxd6 cxd4 21. Rxd4 Ne7 22. Nxc8 Rxc8 23. Rd7 Rb8 24. Bc4 Rg8 25. g3 b5 26. Bb3 a5 27. a4 bxa4 28. Bxa4 e3 29. fxe3 Rxg3 30. Ra7 Rxe3 31. Rxa5 f4 32. Rf1 f3 33. c3 Re2 34. b4 f2 35. Bd1 Re4 36. Rxf2 Rxh4 37. Bb3 f5 38. Re5 f4 39. Re6 Ng8 40. Re4 Nf6 41. Rexf4 Ke7 1-0

[Event "ARG-ch sf 84th"]
[Site "La Plata"]
[Date "2009.05.02"]
[Round "4"]
[White "Pereyra Arcija, Diego"]
[Black "Claverie, Raul Ricardo"]
[Result "1/2-1/2"]
[ECO "A89"]
[WhiteElo "2396"]
[BlackElo "2374"]
[PlyCount "44"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Qb3 h6 11. c5 Kh8 12. Rd1 a6 13. Bd2 g5 14. Na4 Qe8 15. Ba5 Bd7 16. c6 bxc6 17. dxc6 Bxc6 18. Bxc6 Qxc6 19. Rac1 Qb5 20. Bxc7 Ra7 21. Qxb5 axb5 22. Nb6 Rxa2 1/2-1/2

[Event "ARG-ch sf 84th"]
[Site "La Plata"]
[Date "2009.05.01"]
[Round "2"]
[White "Pereyra Arcija, Diego"]
[Black "Palmero, Pablo"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2396"]
[BlackElo "2139"]
[PlyCount "34"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 c6 5. Bg2 d5 6. 0-0 0-0 7. cxd5 cxd5 8. Ne5 Qb6 9. Nc3 Rd8 10. Na4 Qb5 11. Bf4 Na6 12. Nd3 Bf5 13. Nc3 Qb6 14. Be5 Be4 15. Na4 Qb5 16. Nc3 Qb6 17. Na4 Qb5 1/2-1/2

[Event "ARG-ch sf 84th"]
[Site "La Plata"]
[Date "2009.05.01"]
[Round "3"]
[White "Torres, Sergio"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2184"]
[BlackElo "2396"]
[PlyCount "56"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Bg5 Qb6 7. Be3 a6 8. Rb1 Nc6 9. Ne2 cxd4 10. Nexd4 Ncxe5 11. Nxe5 Nxe5 12. Qh5 Qa5+ 13. c3 Qxa2 14. Rd1 Nc6 15. Bd3 Qxb2 16. 0-0 Qxc3 17. Rfe1 Be7 18. Bb1 g6 19. Qh6 Bf8 20. Qh4 Bg7 21. Nf3 Qb4 22. Qg3 0-0 23. h4 e5 24. Rxd5 Qg4 25. Qh2 Be6 26. Rd2 Rfd8 27. Rb2 e4 28. Nd4 Be5 0-1

[Event "ARG-ch sf 84th"]
[Site "La Plata"]
[Date "2009.04.30"]
[Round "1"]
[White "Colantonio, Mauro"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "1927"]
[BlackElo "2396"]
[PlyCount "58"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d6 3. c4 Bg4 4. e3 e5 5. Be2 Nf6 6. Nc3 exd4 7. exd4 Be7 8. 0-0 0-0 9. h3 Bh5 10. Re1 d5 11. cxd5 Nxd5 12. Ne5 Bxe2 13. Rxe2 Nxe5 14. Rxe5 Nb6 15. Qg4 Bf6 16. Ne4 Bxe5 17. dxe5 Kh8 18. Bg5 Qd7 19. Qh4 Qf5 20. Re1 Nd7 21. f4 Rae8 22. Be7 Rg8 23. g4 Qxf4 24. Ng5 h6 25. Rf1 Qd4+ 26. Kh1 Rxe7 27. Nf3 Qc4 28. Rf2 Re6 29. g5 Qxh4 0-1

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.08"]
[Round "9"]
[White "Pereyra Arcija, Diego"]
[Black "Hungaski, Robert Andrew"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2417"]
[BlackElo "2253"]
[PlyCount "62"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. 0-0 Rb8 7. a4 b6 8. Nc3 Bb7 9. e3 Na5 10. Ne5 Bxg2 11. Kxg2 Bd6 12. f4 0-0 13. Qe2 Bxe5 14. fxe5 Nd5 15. e4 Nb4 16. Be3 Nb3 17. Rad1 Nd3 18. Qg4 Kh8 19. Ne2 c5 20. Bg5 Qc7 21. Nf4 cxd4 22. Rxd3 cxd3 23. Nh5 f6 24. exf6 g6 25. Qxe6 Qf7 26. Qxf7 Rxf7 27. Nf4 Nc5 28. e5 Re8 29. Bh6 Rxe5 30. b4 Rxf6 31. bxc5 g5 0-1

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.07"]
[Round "8"]
[White "Cordova, Emilio"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2347"]
[BlackElo "2417"]
[PlyCount "23"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. g3 0-0 6. Bg2 c6 7. 0-0 Qa5 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5 11. d5 cxd5 12. cxd5 1/2-1/2

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.06"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Larrea, Manuel"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2417"]
[BlackElo "2279"]
[PlyCount "21"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Bf4 Nf6 6. e3 a6 7. Bd3 Bg4 8. f3 Bh5 9. Qb3 Na5 10. Qa4+ Nc6 11. Qb3 1/2-1/2

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.05"]
[Round "6"]
[White "Cubas, Jose Fernando"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2376"]
[BlackElo "2417"]
[PlyCount "175"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. b4 cxd4 8. cxd4 Nf5 9. Bb2 Be7 10. h4 h5 11. Bd3 g6 12. Bxf5 gxf5 13. Nc3 Rg8 14. 0-0 Rg4 15. Ne2 Bd7 16. Bc1 Bxh4 17. b5 Ne7 18. Nxh4 Rxh4 19. f3 Bxb5 20. Be3 f4 21. Bf2 Nf5 22. Bxh4 Nxh4 23. Rb1 Bxe2 24. Qxe2 Qxd4+ 25. Kh2 b6 26. Rb4 Qc3 27. Rxf4 Ng6 28. Qb5+ Kf8 29. Ra4 Qxe5+ 30. Kh1 Qc7 31. f4 Nh4 32. Qb2 Ke7 33. f5 Nxf5 34. Rxf5 exf5 35. Qe2+ Kf6 36. Qxh5 Qc1+ 37. Kh2 Kg7 38. Rh4 Kf6 39. Qh7 Ke6 40. Rh6+ f6 41. Rh4 Rc8 42. Qxa7 Qc7+ 43. Qxc7 Rxc7 44. Rb4 Rc6 45. Kg3 Rc3+ 46. Kf2 Rxa3 47. Rxb6+ Ke5 48. g3 Ra2+ 49. Kf3 Ra3+ 50. Kf2 d4 51. Rc6 Rc3 52. Ra6 Rb3 53. Rc6 Ke4 54. Re6+ Kd3 55. Rxf6 Rb2+ 56. Kf3 Rb5 57. Ra6 Kc2 58. Ra2+ Rb2 59. Ra5 Rb3+ 60. Kf4 d3 61. Kxf5 d2 62. Ra2+ Rb2 63. Ra1 Rb1 64. Ra2+ Kd3 65. Rxd2+ Kxd2 66. g4 Ke3 67. g5 Rb5+ 68. Kf6 Rb6+ 69. Kf7 Kf4 70. g6 Kf5 71. g7 Rb7+ 72. Kf8 Rb8+ 73. Kf7 Rb7+ 74. Kf8 Kf6 75. g8N+ Ke6 76. Nh6 Rh7 77. Ng8 Rf7+ 78. Ke8 Rg7 79. Kf8 Rg6 80. Ne7 Rf6+ 81. Ke8 Rf2 82. Ng6 Kd6 83. Nf8 Rf6 84. Nh7 Rf5 85. Nf8 Rf1 86. Nh7 Rh1 87. Nf8 Rh6 88. Kf7 1/2-1/2

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.04"]
[Round "4"]
[White "Pereyra Arcija, Diego"]
[Black "Claverie, Raul Ricardo"]
[Result "1/2-1/2"]
[ECO "A89"]
[WhiteElo "2417"]
[BlackElo "2348"]
[PlyCount "32"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. g3 f5 2. Bg2 Nf6 3. c4 g6 4. d4 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Qb3 a6 11. Rd1 Rb8 12. c5 Kh8 13. Bd2 Qe8 14. c6 b6 15. Na4 e4 16. Nc5 Nxd5 1/2-1/2

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.04"]
[Round "5"]
[White "Rosito, Jorge"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2403"]
[BlackElo "2417"]
[PlyCount "24"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 d6 6. Re1 0-0 7. c3 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Nbd2 Qc7 12. Nf1 Bb7 1/2-1/2

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.03"]
[Round "3"]
[White "Mareco, Sandro"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2187"]
[BlackElo "2417"]
[PlyCount "65"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. a3 Qb6 10. Ne2 c4 11. g4 b4 12. axb4 Bxb4 13. c3 Be7 14. f5 Rb8 15. Rb1 Nf8 16. Ng3 g6 17. Bg2 gxf5 18. gxf5 exf5 19. 0-0 h5 20. Ng5 f4 21. Bxf4 h4 22. Ne2 Ne6 23. Nh3 Rg8 24. Kh1 Qd8 25. Bh6 Nc7 26. Nef4 Bf5 27. Nxd5 Bxb1 28. Nf6+ Bxf6 29. Bxc6+ Ke7 30. Qf4 Qd5+ 31. Bxd5 Nxd5 32. exf6+ Kd7 33. Qe5 1-0

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.02"]
[Round "2"]
[White "Pereyra Arcija, Diego"]
[Black "Herrera, Martin"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2417"]
[BlackElo "2360"]
[PlyCount "86"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c6 7. Nc3 Qb6 8. Qb3 Qa6 9. Rd1 Nbd7 10. h3 Nb6 11. Nd2 e5 12. d5 cxd5 13. cxd5 Bd7 14. e4 Qa5 15. Qc2 Qc5 16. b3 Rac8 17. Bb2 Nh5 18. Qd3 Bh6 19. a4 a5 20. Rac1 Qb4 21. Na2 Rxc1 22. Bxc1 Qc5 23. Bb2 Qc7 24. Ba3 f5 25. Qc3 Qxc3 26. Nxc3 Rc8 27. Ndb1 Bf8 28. exf5 gxf5 29. Bf1 Nf6 30. Bc1 Be8 31. Be3 Nbd7 32. Bb5 Bf7 33. Bxd7 Nxd7 34. Nb5 Rc2 35. N1a3 Rb2 36. Nc4 Rxb3 37. Nxa5 Rb4 38. Nxb7 Rxa4 39. N7xd6 Bh5 40. Re1 f4 41. gxf4 exf4 42. Bc1 Ra1 43. Bd2 Rxe1+ 1/2-1/2

[Event "Buenos Aires Najdorf-B"]
[Site "Buenos Aires"]
[Date "2004.10.01"]
[Round "1"]
[White "Liascovich, Lucas Agustin"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2415"]
[BlackElo "2417"]
[PlyCount "61"]
[EventDate "2004.10.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[EventCategory "4"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. 0-0-0 Na6 11. Ne1 h6 12. Be3 Ng4 13. Bxg4 Bxg4 14. f3 Be6 15. b3 c6 16. Nc2 Bf8 17. Kb2 Kh7 18. Rd2 b6 19. Rhd1 Be7 20. a3 Rad8 21. Rxd8 Rxd8 22. Rxd8 Bxd8 23. Nb4 Nxb4 24. axb4 Be7 25. b5 c5 26. Nd5 Bxd5 27. cxd5 Bd6 28. b4 cxb4 29. Kb3 Kg7 30. Bd2 f6 31. Bxb4 1/2-1/2

[Event "Najdorf Memorial Great fin"]
[Site "Buenos Aires"]
[Date "2000.09.12"]
[Round "2.2"]
[White "Pereyra Arcija, Diego"]
[Black "Giaccio, Alfredo Gustavo"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2417"]
[BlackElo "2505"]
[PlyCount "80"]
[EventDate "2000.09.09"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "ARG"]
[SourceTitle "CBM 079"]
[Source "ChessBase"]
[SourceDate "2000.11.21"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.21"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Bf4 Nf6 6. e3 a6 7. Bd3 Bg4 8. Nge2 e6 9. 0-0 Bh5 10. Qb3 Bd6 11. Bxd6 Qxd6 12. Qxb7 0-0 13. Qb3 Rfb8 14. Qa3 Qxa3 15. bxa3 Bg6 16. Nf4 Bxd3 17. Nxd3 Nd7 18. Rfc1 Na5 19. e4 dxe4 20. Nxe4 Nb6 21. Nb4 Rd8 22. Rd1 Nbc4 23. Nc5 Nxa3 24. Ncxa6 Nb5 25. d5 Nc3 26. Rd3 Nxd5 27. Rad1 Rdc8 28. Nxd5 exd5 29. Nb4 Nc6 30. Nxc6 Rxc6 31. Rxd5 Rcc8 32. a4 g6 33. a5 Rc2 34. Ra1 Ra6 35. Rb5 Kg7 36. g3 Rf6 37. f4 Rd6 38. a6 Rdd2 39. a7 Rg2+ 40. Kf1 Rgf2+ 1/2-1/2

[Event "Najdorf Memorial Great fin"]
[Site "Buenos Aires"]
[Date "2000.09.11"]
[Round "2.1"]
[White "Giaccio, Alfredo Gustavo"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2505"]
[BlackElo "2417"]
[PlyCount "69"]
[EventDate "2000.09.09"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "ARG"]
[SourceTitle "CBM 079"]
[Source "ChessBase"]
[SourceDate "2000.11.21"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 Bf6 9. Qd2 c5 10. d5 0-0 11. 0-0-0 e5 12. h4 Nd7 13. Ng5 h6 14. Nh3 Bg7 15. f3 Qa5 16. Kb1 Rb8 17. g4 fxg4 18. fxg4 Nb6 19. Nf2 Qb4 20. g5 Qf4 21. Qe1 e4 22. Nfxe4 Bf5 23. Bd3 Bxe4 24. Nxe4 Nxd5 25. Rf1 Qe5 26. Nf6+ Bxf6 27. gxf6 Qxe1 28. Rdxe1 Rfe8 29. Be4 Rbd8 30. c4 Nb4 31. a3 Nd3 32. Re3 Ne5 33. Rg3+ Kf8 34. Bh7 Ng6 35. h5 1-0

[Event "Najdorf Memorial Great fin"]
[Site "Buenos Aires"]
[Date "2000.09.10"]
[Round "1.2"]
[White "Rossetto, Hector"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2285"]
[BlackElo "2417"]
[PlyCount "70"]
[EventDate "2000.09.09"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "ARG"]
[SourceTitle "CBM 079"]
[Source "ChessBase"]
[SourceDate "2000.11.21"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.21"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 c5 4. g3 Nc6 5. Bg2 Nf6 6. e5 Ng8 7. f4 h5 8. Nf3 Nh6 9. Nc3 Nf5 10. 0-0 b6 11. a4 Bb7 12. Qe2 h4 13. g4 Nfd4 14. Nxd4 Nxd4 15. Qd1 h3 16. Bf3 c4 17. Nb5 Nxb5 18. axb5 Qd7 19. bxc4 dxc4 20. Ba3 Rh4 21. Bxf8 Kxf8 22. Kf2 Rh7 23. Bxb7 Qxb7 24. Qf3 Qxf3+ 25. Kxf3 Rd8 26. Ke3 Rh4 27. g5 Rg4 28. Rf3 g6 29. Rxa7 Rg2 30. Rf2 Rxf2 31. Kxf2 Rxd2+ 32. Kg3 Rxc2 33. Kxh3 Rb2 34. Rc7 Rxb5 35. Rxc4 Rb3+ 1/2-1/2

[Event "Najdorf Memorial Great fin"]
[Site "Buenos Aires"]
[Date "2000.09.09"]
[Round "1.1"]
[White "Pereyra Arcija, Diego"]
[Black "Rossetto, Hector"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2417"]
[BlackElo "2285"]
[PlyCount "87"]
[EventDate "2000.09.09"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "ARG"]
[SourceTitle "CBM 079"]
[Source "ChessBase"]
[SourceDate "2000.11.21"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.21"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c6 7. Qc2 Ne4 8. Nfd2 f5 9. Nxe4 fxe4 10. Be3 Nd7 11. Nd2 Nf6 12. f3 exf3 13. Nxf3 Ng4 14. Bd2 Bd7 15. h3 Nh6 16. Bxh6 gxh6 17. Ne5 Be8 18. Kh1 Bf6 19. Qd2 Bg7 20. h4 Bh5 21. Bh3 Qe7 22. Qe3 Rxf1+ 23. Rxf1 Rf8 24. Rxf8+ Bxf8 25. Nd7 dxc4 26. Bxe6+ Bf7 27. Nxf8 Qxf8 28. Kg2 Qd6 29. Bf5 b5 30. Qf2 Bg6 31. g4 b4 32. e4 a5 33. h5 Bxf5 34. gxf5 Kf7 35. Qe3 Qf6 36. Kf1 Qg5 37. Qe2 Qf4+ 38. Kg2 Kf6 39. e5+ Kxf5 40. e6 Qb8 41. e7 Qe8 42. Qe5+ Kg4 43. Qg7+ Kxh5 44. Kf3 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.11.01"]
[Round "9"]
[White "Riverol, Jose"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "2255"]
[BlackElo "2420"]
[PlyCount "56"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f4 d6 6. Nf3 Na6 7. Be2 Bg4 8. Be3 Bxf3 9. Bxf3 e5 10. fxe5 dxe5 11. d5 Nd7 12. g4 f5 13. 0-0 Kh8 14. exf5 gxf5 15. gxf5 Qh4 16. Qe2 e4 17. Nxe4 Rxf5 18. Bg4 Re5 19. Bd4 Re7 20. Bf2 Qh6 21. Bxd7 Qg6+ 22. Bg3 Rxe4 23. Qf3 Rxc4 24. Bf5 Qb6+ 25. Bf2 Qh6 26. Be3 Qh4 27. Qg3 Qxg3+ 28. hxg3 Nb4 0-1

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.26"]
[Round "3"]
[White "Krasenkow, Michal"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2655"]
[BlackElo "2420"]
[PlyCount "67"]
[EventDate "1998.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 067 Extra"]
[Source "ChessBase"]
[SourceDate "1999.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.01.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. h3 Na6 7. Bg5 Qe8 8. g4 c5 9. Bg2 Rb8 10. 0-0 cxd4 11. Nxd4 Nc5 12. f4 Ne6 13. Nxe6 Bxe6 14. Qd3 Nd7 15. b3 Nc5 16. Qe3 f6 17. Bh4 a6 18. Nd5 Qd8 19. e5 Bxd5 20. Bxd5+ Kh8 21. f5 Nd7 22. exd6 exd6 23. fxg6 hxg6 24. Bg3 Ne5 25. Rad1 Qc7 26. g5 b5 27. gxf6 Rxf6 28. Rxf6 Bxf6 29. Rf1 Bg7 30. Rf4 g5 31. Rf5 Qb6 32. c5 Qd8 33. Rxg5 Qe8 34. cxd6 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 "Ibanez, Fernando"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2125"]
[BlackElo "2420"]
[PlyCount "44"]
[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 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d5 6. e5 Ne4 7. Be3 c5 8. c3 cxd4 9. cxd4 Nc6 10. Be2 f6 11. exf6 exf6 12. 0-0 Kh8 13. Ne1 Nd6 14. Ndf3 Bf5 15. Rc1 Qb6 16. Qb3 Rfe8 17. Rc5 Be4 18. Nd2 Nf5 19. Nxe4 Ncxd4 20. Qxb6 axb6 21. Bxd4 Nxd4 22. Rxd5 Nxe2+ 0-1

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1997.11.??"]
[Round "4"]
[White "Pereyra Arcija, Diego"]
[Black "Vescovi, Giovanni P"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2460"]
[BlackElo "2480"]
[PlyCount "79"]
[EventDate "1997.11.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 Nd7 12. a4 Bh6 13. a5 f5 14. Nd2 Nf6 15. c5 Bxd2 16. Qxd2 Nxe4 17. Nxe4 fxe4 18. Bc3 Nf5 19. Ra4 b6 20. cxb6 cxb6 21. Rxe4 bxa5 22. f4 Ba6 23. fxe5 Qb6+ 24. Kh1 Bxe2 25. Qxe2 Qc5 26. Ba1 dxe5 27. Rxe5 Nd4 28. Qd1 Rxf1+ 29. Qxf1 Rf8 30. Qg1 Qb5 31. Re1 Nc2 32. Rb1 Qxd5 33. Bc3 a4 34. h3 Qc4 35. Be5 Qe2 36. Qc5 Ne3 37. Rg1 Qd3 38. Qe7 Nf5 39. Qe6+ Rf7 40. Qe8+ 1/2-1/2

[Event "Itau Mercosul Cup 1st"]
[Site "Sao Paulo"]
[Date "1997.10.21"]
[Round "3"]
[White "Pereyra Arcija, Diego"]
[Black "Rodrigues, Adriano Pfuhl"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2460"]
[BlackElo "2300"]
[PlyCount "79"]
[EventDate "1997.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 060 Extra"]
[Source "ChessBase"]
[SourceDate "1997.11.04"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. a4 Bb7 5. e4 Nxe4 6. axb5 e6 7. dxe6 fxe6 8. Bd3 Be7 9. Qe2 Nf6 10. Nbd2 0-0 11. Nc4 a6 12. Na5 Bc8 13. Nb3 d5 14. c4 Bd6 15. 0-0 Ra7 16. Bg5 h6 17. Bh4 Re7 18. bxa6 Bxa6 19. Bg3 Bxg3 20. hxg3 Qb6 21. Nbd2 Rfe8 22. Ne5 Bb7 23. Ndf3 Nc6 24. Nxc6 Bxc6 25. Ne5 Rb7 26. Rfe1 dxc4 27. Bg6 Rf8 28. Nxc4 Qc7 29. Qxe6+ Kh8 30. Nd6 Bd5 31. Qe5 Ra7 32. Rad1 Bg8 33. Nb5 Qxe5 34. Rxe5 Ra2 35. Rxc5 Rxb2 36. Nc3 Ng4 37. Ne4 Nxf2 38. Rf1 Nxe4 39. Bxe4 Rxf1+ 40. Kxf1 1/2-1/2

[Event "Itau Mercosul Cup 1st"]
[Site "Sao Paulo"]
[Date "1997.10.20"]
[Round "2"]
[White "Santos Neto, Francisco Jose"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2165"]
[BlackElo "2460"]
[PlyCount "68"]
[EventDate "1997.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 060 Extra"]
[Source "ChessBase"]
[SourceDate "1997.11.04"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. Nbd2 d5 5. c3 0-0 6. e3 b6 7. Be2 Nbd7 8. h3 Bb7 9. 0-0 Re8 10. Nh2 h6 11. Bh4 g5 12. Bg3 e5 13. dxe5 Nxe5 14. f4 Ng6 15. fxg5 hxg5 16. Rf5 Rxe3 17. Nhf1 Re6 18. Rxg5 Qe7 19. Bh5 Nxh5 20. Qxh5 d4 21. Nf3 dxc3 22. bxc3 Rd8 23. Nh4 Be4 24. Re1 Bd3 25. Rd5 Rxd5 26. Qxd5 Rxe1 27. Qxd3 Nxh4 28. Bxe1 Qxe1 29. Qc4 Qe7 30. Qc6 Ng6 31. Qa8+ Kh7 32. Qf3 Qc5+ 33. Kh1 Qe7 34. Qf5 Bxc3 0-1

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.14"]
[Round "9"]
[White "Rios Parra, Mauricio Flores"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C06"]
[BlackElo "2460"]
[PlyCount "54"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "ARG"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bg5 0-0 13. Bh4 Nh5 14. Rc1 g6 15. a3 Qg7 16. Bb1 Bd7 17. Rc3 Rac8 18. Bg5 h6 19. Bc1 g5 20. g3 Nf6 21. Ne1 e5 22. dxe5 Bxe5 23. Rb3 Na5 24. Rb4 Bd6 25. Rd4 Nc6 26. Rd2 Bh3 27. Ng2 Ne5 1/2-1/2

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.13"]
[Round "8"]
[White "Pereyra Arcija, Diego"]
[Black "Bitoon, Richard"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2460"]
[PlyCount "67"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "Philippines"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "PHI"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 a6 5. a4 g6 6. Be2 Bg7 7. Nf3 Ne7 8. 0-0 0-0 9. Nd2 f5 10. Nc4 f4 11. a5 Rf6 12. Nb6 Ra7 13. Bd2 Bd7 14. Bg4 h5 15. Nxd7 Nxd7 16. Be6+ Kh8 17. Na4 Nf8 18. Bh3 Nh7 19. b4 cxb4 20. Bxb4 Ng5 21. f3 Nxh3+ 22. gxh3 Qc7 23. Nb6 Nc8 24. Be1 Qb8 25. Nd7 Qc7 26. Nxf6 Bxf6 27. c4 b6 28. Bf2 bxa5 29. Qa4 Ra8 30. Rfc1 Bd8 31. c5 dxc5 32. Qe8+ Kg7 33. Bxc5 Kh7 34. Bf2 1-0

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.12"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Llorens Sepulveda, Marcelo"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2460"]
[BlackElo "2235"]
[PlyCount "81"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "Chile"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "CHI"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 a6 10. a4 Re8 11. Bf4 Ne4 12. Nxe4 Rxe4 13. Nd2 Rb4 14. Ne4 b6 15. Bg5 f6 16. Bd2 f5 17. Bxb4 cxb4 18. Nd2 Bxb2 19. Ra2 Bg7 20. e4 a5 21. Bh3 Na6 22. exf5 Bxf5 23. Bxf5 gxf5 24. Qh5 Qf6 25. Nc4 Nc5 26. Re2 b3 27. Nxb6 Rf8 28. Nc4 f4 29. Re8 Nxa4 30. Rxf8+ Qxf8 31. Nxa5 b2 32. Nc4 Bd4 33. Qg4+ Kh8 34. Qd1 Qf6 35. Qxa4 fxg3 36. Qa8+ Kg7 37. Qb7+ Kh6 38. hxg3 Qg5 39. Kg2 Kg6 40. Nxb2 h5 41. Nd3 1-0

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.11"]
[Round "6"]
[White "Sirnik, Bostjan"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2130"]
[BlackElo "2460"]
[PlyCount "116"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Slovenia"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "SLO"]
[BlackTeamCountry "ARG"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Be2 c5 7. Ne5 Nc6 8. h4 cxd4 9. exd4 Qb6 10. Nxc6 bxc6 11. Na4 Qa5+ 12. c3 Nd7 13. h5 Ba6 14. Bg4 f5 15. b4 Qd8 16. Be2 Bxe2 17. Qxe2 e5 18. Bxe5 Nxe5 19. dxe5 Qg5 20. hxg6 hxg6 21. Nc5 Rfe8 22. Nd3 Qxg2 23. 0-0-0 Qe4 24. Qd2 a5 25. Qg5 Qg4 26. Qxg4 fxg4 27. Rhg1 axb4 28. Nxb4 Rxe5 29. Rxg4 c5 30. Nxd5 Rxa2 31. Nf4 g5 32. Kb1 Ra7 33. Nd5 Rf5 34. Rd2 Kf7 35. f4 gxf4 36. Rxf4 Rxf4 37. Nxf4 Bxc3 38. Re2 Bd4 39. Kc2 Ra3 40. Nd5 Rf3 41. Kd2 Kg6 42. Ne7+ Kg5 43. Nd5 Rb3 44. Kc2 Ra3 45. Re7 Kf5 46. Re2 Rg3 47. Kd2 Ra3 48. Kc2 c4 49. Re8 Rg3 50. Kc1 Be5 51. Ne7+ Kf4 52. Nc6 Bg7 53. Nb4 Rg1+ 54. Kc2 Rg2+ 55. Kc1 Be5 56. Rc8 Rg1+ 57. Kc2 Rg2+ 58. Kc1 Rg1+ 1/2-1/2

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.08"]
[Round "3"]
[White "Pereyra Arcija, Diego"]
[Black "Aponte Ramos, Argimiro"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2460"]
[PlyCount "103"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "VEN"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Bf8 13. Nxc6 bxc6 14. Na4 Bd7 15. Bc5 Bxc5 16. Nxc5 Bg4 17. Re1 Qa5 18. h3 Bf5 19. Qd4 Rab8 20. a3 Qb5 21. b3 Qa5 22. Ra1 Ne4 23. b4 Qb6 24. Nb3 Ng5 25. h4 Ne6 26. Qc3 Rbc8 27. Rec1 Nf8 28. e3 Ng6 29. Nd4 Bd7 30. Rc2 Ne5 31. Bf1 Bg4 32. Rac1 Nf3+ 33. Nxf3 Bxf3 34. Qc5 Qxc5 35. Rxc5 Rcd8 36. Bg2 Bxg2 37. Kxg2 d4 38. exd4 Rxd4 39. Rxc6 Re2 40. Rc8+ Kh7 41. R8c7 f6 42. R1c3 a5 43. bxa5 Ra4 44. R3c4 Rxa5 45. Rg4 Kh8 46. Rcxg7 h5 47. Rg8+ Kh7 48. R4g7+ Kh6 49. Rg6+ Kh7 50. R8g7+ Kh8 51. Rf7 Rf5 52. g4 1/2-1/2

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.07"]
[Round "2"]
[White "Pereyra Arcija, Diego"]
[Black "Shtanchaev, A."]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2460"]
[BlackElo "2440"]
[PlyCount "79"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "Russia"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "RUS"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Nc6 5. c4 Bg7 6. Nc3 0-0 7. 0-0 d6 8. d5 Ne5 9. Qc2 Bd7 10. b3 c5 11. Bd2 a6 12. a4 b6 13. Nf4 Ne8 14. h4 Nc7 15. h5 Qe8 16. hxg6 hxg6 17. Nd3 Ng4 18. Rae1 Qf7 19. f3 Nf6 20. e4 Nh5 21. e5 Nxg3 22. Rf2 dxe5 23. Nxe5 Bxe5 24. Rxe5 f4 25. Bxf4 Nf5 26. Qd2 Ne8 27. Ne4 Ned6 28. Ng5 Qf6 29. Ne6 Rf7 30. Re1 Bxe6 31. Rxe6 Qa1+ 32. Bf1 Rg7 33. Be5 Qb1 34. Bxg7 Kxg7 35. Qg5 Nd4 36. Rxe7+ Nf7 37. Qe5+ Kg8 38. Qf6 Rf8 39. Rh2 Nxf3+ 40. Qxf3 1-0

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.27"]
[Round "13"]
[White "Balogh, Tomas"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "E80"]
[WhiteElo "2390"]
[BlackElo "2460"]
[PlyCount "9"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 1/2-1/2

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.26"]
[Round "12"]
[White "Pereyra Arcija, Diego"]
[Black "Moreira Romero, Jairo"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2460"]
[BlackElo "2200"]
[PlyCount "93"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. c4 Nd7 4. d5 e5 5. dxe6 Bxe6 6. e4 Ngf6 7. Nc3 Nc5 8. Qc2 a5 9. Nd4 g6 10. f3 Bg7 11. Be3 0-0 12. Be2 c6 13. 0-0 Qe7 14. Rad1 Nfd7 15. Qd2 a4 16. Nxe6 Qxe6 17. Qxd6 Qxd6 18. Rxd6 a3 19. b4 Bxc3 20. bxc5 Nb8 21. Rb1 Bb2 22. Rd3 Na6 23. Rb3 Rfd8 24. Kf2 Rd7 25. g4 Re8 26. Rd1 Rxd1 27. Bxd1 Re7 28. g5 Kg7 29. Bc2 f6 30. gxf6+ Kxf6 31. f4 Rd7 32. Ke2 Ke6 33. Bd3 Bd4 34. Bxd4 Rxd4 35. Rxa3 Nxc5 36. Ke3 Rd7 37. Be2 Re7 38. h4 Kf6 39. Bf3 Rd7 40. Be2 Re7 41. e5+ Kf5 42. Kf3 Re8 43. Ra5 Na6 44. Bd3+ Ke6 45. h5 Kf7 46. hxg6+ hxg6 47. Kg4 1-0

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.25"]
[Round "11"]
[White "Pereyra Arcija, Diego"]
[Black "Bircher, Roland"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2460"]
[BlackElo "2185"]
[PlyCount "83"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nh3 d6 6. d5 0-0 7. Nc3 c6 8. Nf4 Qe8 9. 0-0 e5 10. dxe6 Bxe6 11. Nxe6 Qxe6 12. Bf4 Na6 13. Qxd6 Qxc4 14. Rfd1 Rfe8 15. Bg5 Qe6 16. Rd2 Qxd6 17. Rxd6 Kf7 18. Rad1 Nc5 19. Be3 Ne6 20. h3 Bf8 21. R6d3 Bc5 22. Bxc5 Nxc5 23. Rd4 Re7 24. e3 Rae8 25. Bf1 Nfe4 26. Nxe4 Rxe4 27. b4 Rxd4 28. Rxd4 Ne6 29. Bc4 Ke7 30. Rh4 Rh8 31. g4 h6 32. gxf5 gxf5 33. Kf1 Kf6 34. Bxe6 Kxe6 35. Ke2 Kf6 36. Kf3 b6 37. Rc4 Rc8 38. Kf4 c5 39. f3 Rc6 40. e4 fxe4 41. fxe4 Rc7 42. e5+ 1/2-1/2

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.24"]
[Round "10"]
[White "Rezan, Sasa"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2250"]
[BlackElo "2460"]
[PlyCount "107"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. Re1 Bb7 9. d4 Bb6 10. Bg5 h6 11. Bh4 Qe7 12. a4 g5 13. Bg3 h5 14. h4 g4 15. Ng5 Nd8 16. axb5 axb5 17. Rxa8 Bxa8 18. Na3 Nd7 19. d5 f6 20. Ne6 Nxe6 21. dxe6 Nc5 22. Bd5 Bxd5 23. Qxd5 0-0 24. b4 Nxe6 25. Nxb5 Qf7 26. Na3 f5 27. exf5 Ng7 28. Qxf7+ Kxf7 29. Nc4 Nxf5 30. Nxb6 cxb6 31. Ra1 Nxg3 32. fxg3 Rc8 33. Ra3 d5 34. Kf2 Ke6 35. Ke2 Rc4 36. Kd3 e4+ 37. Kd2 d4 38. cxd4 Rxd4+ 39. Ke3 Ke5 40. Ra8 Rd3+ 41. Kf2 Kd4 42. Rd8+ Kc3 43. Re8 Kxb4 44. Re5 Kc3 45. Rb5 Rd2+ 46. Ke3 Rxg2 47. Kxe4 Rxg3 48. Rxh5 Rh3 49. Rb5 g3 50. Kf3 Rxh4 51. Rxb6 Rb4 52. Rc6+ Rc4 53. Rxc4+ Kxc4 54. Kxg3 1/2-1/2

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.23"]
[Round "9"]
[White "Pereyra Arcija, Diego"]
[Black "Carrasco Martinez, Juan Manuel"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2460"]
[BlackElo "2230"]
[PlyCount "31"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. g3 Nc6 6. Bg2 e5 7. 0-0 Nxd4 8. Nxd4 exd4 9. Bxb4 axb4 10. Qxd4 Nf6 11. Rd1 Ra6 12. Qd2 c5 13. a4 0-0 14. Qd3 Re8 15. Nd2 Qe7 16. Re1 1/2-1/2

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.22"]
[Round "8"]
[White "Pereyra Arcija, Diego"]
[Black "Putka, Verner"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2460"]
[BlackElo "2220"]
[PlyCount "86"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 Nc6 9. Nxc6 Bxc6 10. Bf4 Bc5 11. Be2 0-0 12. Rd1 a5 13. Bg3 Qc8 14. e5 Ne8 15. Ne4 Qb7 16. Nxc5 bxc5 17. f3 Qc7 18. 0-0 g6 19. Qc3 Rb8 20. Rd2 Ng7 21. Bh4 Nf5 22. Bf6 h6 23. g4 Nd4 24. Bd1 Kh7 25. Qe3 Rfe8 26. Rff2 Rb6 27. Rg2 Rg8 28. Rg3 g5 29. Rxd4 cxd4 30. Bc2+ Rg6 31. Qxd4 Qb8 32. b3 Rxb3 33. Bxg6+ Kxg6 34. Kg2 Rb2+ 35. Kh3 Qb3 36. Qg1 Qxc4 37. Rg2 Rb3 38. Rg3 Bxf3 39. Qe1 Bxg4+ 40. Kg2 Qc6+ 41. Kf2 Qc2+ 42. Kf1 Rb1 43. Rxg4 Qf5+ 0-1

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.21"]
[Round "7"]
[White "Bunzmann, Dimitrij"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2370"]
[BlackElo "2460"]
[PlyCount "114"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Qc2 e5 8. Rd1 Re8 9. dxe5 dxe5 10. e4 c6 11. h3 b6 12. Be3 Qe7 13. Nc3 Bb7 14. Rd2 Nf8 15. Rad1 Qc7 16. c5 Ne6 17. Na4 b5 18. Nc3 a5 19. a4 Bf8 20. axb5 Bxc5 21. bxc6 Bxc6 22. Nd5 Bxd5 23. exd5 Bxe3 24. dxe6 Qxc2 25. Rxc2 e4 26. exf7+ Kxf7 27. fxe3 exf3 28. Bxf3 Rab8 29. Rd3 Re5 30. Kf2 g5 31. b3 Rb6 32. Ke1 Kg6 33. Rc4 Reb5 34. Bd1 h5 35. Bc2 Kf7 36. Rd8 Ke7 37. Ra8 Re5 38. Ra7+ Ke6 39. Kf2 Rd6 40. Bg6 Nd5 41. Rxa5 Rxe3 42. Rb5 Ra6 43. Rc2 h4 44. gxh4 gxh4 45. Bh5 Re5 46. Bg4+ Kf6 47. Rd2 Nc3 48. Rxe5 Kxe5 49. Rd3 Ne4+ 50. Ke3 Ra1 51. Rd8 Re1+ 52. Kf3 Ng5+ 53. Kg2 Rb1 54. Rf8 Kd4 55. Rf5 Ke3 56. Re5+ Kf4 57. Rf5+ Ke3 1/2-1/2

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.19"]
[Round "6"]
[White "Pedersen, Nicolai Vesterbaek"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "E93"]
[WhiteElo "2300"]
[BlackElo "2460"]
[PlyCount "47"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. d5 a5 8. Nd2 Na6 9. h4 Nc5 10. h5 Nxh5 11. Bxh5 Nd3+ 12. Kf1 gxh5 13. Qxh5 h6 14. Nf3 Nxc1 15. Rxc1 f5 16. Re1 c6 17. Nh4 fxe4 18. Nxe4 cxd5 19. cxd5 Ra6 20. Re3 Qe8 21. Nf6+ Bxf6 22. Rg3+ Bg7 23. Qxh6 Rf7 24. Nf5 1-0

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.18"]
[Round "5"]
[White "Pereyra Arcija, Diego"]
[Black "Ibrayev, Nurlan"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2460"]
[BlackElo "2320"]
[PlyCount "95"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bd3 Nc6 7. Be3 Nb4 8. Be4 f5 9. exf6 exf6 10. a3 f5 11. axb4 Bxb4+ 12. Nc3 fxe4 13. Qh5+ Kf8 14. Nge2 Qe8 15. Qh4 Kg8 16. 0-0 h6 17. Ng3 c6 18. Ngxe4 Bf5 19. Nc5 Qf7 20. N3e4 Qg6 21. Ng3 Bxc5 22. dxc5 Nd5 23. Bd4 Kh7 24. Rfe1 Rhe8 25. h3 a6 26. Re5 Bb1 27. Ra3 Rxe5 28. Bxe5 Re8 29. Qd4 Re7 30. Kh2 Qe6 31. f4 Rf7 32. Rf3 Bg6 33. Nf1 h5 34. Nd2 Ne7 35. Qd6 Qf5 36. Rg3 Nc8 37. Qd4 Rd7 38. Qc3 Ne7 39. Nf3 Nd5 40. Qc1 Kg8 41. Rg5 Qd3 42. Nh4 Be4 43. Rg3 Qe2 44. Qg1 Kh7 45. Qd4 g6 46. f5 Bxf5 47. Nxf5 gxf5 48. Qh4 1-0

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.17"]
[Round "4"]
[White "Zulfugarli, Magomed"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2380"]
[BlackElo "2460"]
[PlyCount "89"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Bd3 b4 10. Nd1 c4 11. Be2 a5 12. 0-0 g6 13. g4 Nb6 14. Bf2 Be7 15. Ne3 h5 16. h3 Ba6 17. Kg2 c3 18. bxc3 bxc3 19. Qe1 Bxe2 20. Qxe2 Rc8 21. Rab1 Nc4 22. Nxc4 dxc4 23. d5 exd5 24. e6 hxg4 25. hxg4 0-0 26. exf7+ Rxf7 27. Qe6 Bf6 28. g5 Bg7 29. Qxg6 Ne7 30. Qh5 Rxf4 31. Bg3 Rf5 32. Nh4 Rxf1 33. Rxf1 Qe8 34. g6 Nxg6 35. Qxd5+ Kh7 36. Nxg6 Qc6 37. Qxc6 Rxc6 38. Ne7 Re6 39. Rh1+ Bh6 40. Nf5 Re2+ 41. Kf3 Rxc2 42. Rxh6+ Kg8 43. Rh2 Rb2 44. Be5 Rb5 45. Rh8+ 1-0

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.16"]
[Round "3"]
[White "Pereyra Arcija, Diego"]
[Black "Myc, Marcin"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2460"]
[BlackElo "2350"]
[PlyCount "77"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 exd4 8. Ne2 Bg4 9. f3 Bxf3 10. gxf3 Qxf3 11. Nxd4 Qxh1 12. Nxc6 Nf6 13. Na5 Qxh2 14. Qa4+ c6 15. 0-0-0 0-0 16. Bxf6 gxf6 17. Bd3 Rfe8 18. Qg4+ Kh8 19. Qf3 Qh4 20. Nc4 Rg8 21. Nd6 Rg3 22. Qf2 Rg4 23. Qxh4 Rxh4 24. Rg1 Rf8 25. Bc4 Rxc4+ 26. Nxc4 Rd8 27. Kc2 Rd5 28. e4 Rd4 29. Kc3 Rd7 30. Ne3 h6 31. Ng4 Rd6 32. Nxh6 Kh7 33. Nf5 Rd7 34. Rg2 Kh8 35. Rd2 Rxd2 36. Kxd2 Kh7 37. Nd6 Kg7 38. Nxb7 f5 39. Ke3 1-0

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.15"]
[Round "2"]
[White "Dantas, Carlos"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2200"]
[BlackElo "2460"]
[PlyCount "104"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. d4 g6 4. e3 Bg7 5. Bd3 0-0 6. Nbd2 c5 7. c3 b6 8. 0-0 Ba6 9. Qe2 Bxd3 10. Qxd3 Nbd7 11. Ng5 Qc7 12. Nh3 e6 13. g3 Ne8 14. Nf3 Nd6 15. Nf2 f5 16. h4 Nf6 17. Ng5 Rfe8 18. Kg2 b5 19. Bd2 a5 20. Rfc1 c4 21. Qe2 Rab8 22. a3 Rb7 23. Be1 Bf8 24. Nf3 Nde4 25. Nxe4 Nxe4 26. Ng5 Nf6 27. Ra2 h6 28. Nf3 Bd6 29. Rca1 Reb8 30. Kh3 Qe7 31. Ne5 Bxe5 32. dxe5 Ne4 33. Rd1 g5 34. g4 Qh7 35. gxf5 Qxf5+ 36. Qg4 Qxg4+ 37. Kxg4 gxf4 38. exf4 Rf8 39. a4 b4 40. cxb4 axb4 41. a5 Rbf7 42. a6 Rxf4+ 43. Kh3 R4f7 44. Ra4 b3 45. Rb4 Rg7 46. Kh2 Nf2 47. Ra1 Ng4+ 48. Kh3 Rf3+ 49. Kg2 Nxe5+ 50. Kh2 Rf1 51. Rb8+ Kh7 52. Bc3 Nf3+ 0-1

[Event "Wch U20"]
[Site "Zagan"]
[Date "1997.07.14"]
[Round "1"]
[White "Pereyra Arcija, Diego"]
[Black "Savic, Miodrag R"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2460"]
[BlackElo "2430"]
[PlyCount "58"]
[EventDate "1997.07.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 059 Extra"]
[Source "ChessBase"]
[SourceDate "1997.09.26"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. Qc2 Be7 7. cxd5 exd5 8. g3 0-0 9. Bg2 c5 10. 0-0 Ne4 11. Rd1 Nxc3 12. bxc3 Nd7 13. dxc5 bxc5 14. Bf4 Qc8 15. Bh3 Qc6 16. e4 Nf6 17. Ne5 Qa6 18. Bf1 c4 19. exd5 Bxd5 20. Ng4 Be6 21. Ne3 Rac8 22. a4 Rc5 23. Bg2 g5 24. Bxg5 Rxg5 25. h4 Re5 26. Rab1 Bc5 27. Rb5 Qc8 28. Bb7 Qc7 29. Ng2 Ng4 0-1

[Event "Clarin GP1 Boca Juniors"]
[Site "Boca"]
[Date "1997.??.??"]
[Round "2"]
[White "Bibiloni, Jorge Jaime"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2185"]
[BlackElo "2450"]
[PlyCount "54"]
[EventDate "1997.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 0-0 8. Bg5 h6 9. Bh4 g5 10. Nxg5 hxg5 11. Bxg5 Kg7 12. Nc3 Be7 13. f4 Nh7 14. Qh5 Bxg5 15. fxg5 Qxg5 16. Rxf7+ Rxf7 17. Qxf7+ Kh8 18. Qe8+ Kg7 19. Rf1 Bb7 20. Qxd7+ Kh8 21. Qxc7 Qe3+ 22. Kh1 Rf8 23. Rxf8+ Nxf8 24. h3 Qc1+ 25. Kh2 Qf4+ 26. Kg1 Nd4 27. Qxb7 Qe3+ 1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1997.??.??"]
[Round "9"]
[White "Braga, Fernando Alberto"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2455"]
[BlackElo "2450"]
[PlyCount "16"]
[EventDate "1997.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 b5 8. Bb3 d6 1/2-1/2

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Casafus, Ruben Andres"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "2365"]
[BlackElo "2450"]
[PlyCount "84"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 exd4 10. Nxd4 Re8 11. Re1 Qb6 12. Nb3 Ne5 13. Be3 c5 14. Bf1 Be6 15. Nd5 Bxd5 16. exd5 Ne4 17. Kg2 f5 18. Qc2 Nf7 19. Rab1 Qa6 20. Nc1 Re7 21. Nd3 Rae8 22. g4 fxg4 23. hxg4 Nf6 24. Be2 g5 25. Bf3 b5 26. b3 Qc8 27. Qd1 b4 28. Rh1 Ne4 29. Qc2 Nh6 30. Rh5 Nxg4 31. Bxg5 Rf7 32. Re1 Rxf3 33. Kxf3 Qf5+ 34. Kg2 Ne3+ 35. Bxe3 Qg4+ 36. Kf1 Qxh5 37. Nf4 Qf3 38. Ng2 Bc3 39. Rb1 Ng3+ 40. Kg1 Ne2+ 41. Kf1 Rxe3 42. Nxe3 Ng3+ 0-1

[Event "Clarin GP1 Boca Juniors"]
[Site "Boca"]
[Date "1997.??.??"]
[Round "6"]
[White "Cativelli, Gerardo"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2265"]
[BlackElo "2450"]
[PlyCount "86"]
[EventDate "1997.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. Nbd2 Na5 8. Bb3 Nxb3 9. axb3 Re8 10. Nc4 h6 11. Bd2 Bf8 12. b4 b6 13. h3 Bb7 14. Ne3 d5 15. exd5 Nxd5 16. Ng4 e4 17. dxe4 Nxb4 18. Nge5 f6 19. Ng6 Rxe4 20. Nxf8 Qxf8 21. c3 Rxe1+ 22. Bxe1 Nd5 23. Nd4 Qf7 24. Qg4 Kh7 25. Bd2 a5 26. Re1 Rd8 27. Ne6 Rd6 28. c4 f5 29. Qxg7+ Qxg7 30. Nxg7 Nf6 31. Bf4 Rc6 32. Nxf5 Ng8 33. Ne3 Nf6 34. Rd1 Ba6 35. Be5 Kg6 36. Rd4 b5 37. cxb5 Bxb5 38. Nd5 Rc1+ 39. Kh2 Nxd5 40. Rxd5 c6 41. Rd6+ Kf5 42. Bg7 h5 43. f3 Rc2 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "6"]
[White "German, Sergio"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2375"]
[BlackElo "2450"]
[PlyCount "71"]
[EventDate "1997.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. b4 cxd4 8. cxd4 Nf5 9. Bb2 Be7 10. Be2 h5 11. Nc3 Nfxd4 12. Nxd4 Qxd4 13. Qxd4 Nxd4 14. Nxd5 Nxe2 15. Nxe7 Nf4 16. Nxc8 Rxc8 17. Bd4 b6 18. g3 Rc4 19. Bxb6 axb6 20. gxf4 Re4+ 21. Kd2 Ke7 22. Kd3 Rxf4 23. Rhc1 Rd8+ 24. Ke3 Rf5 25. f4 g5 26. Rc6 gxf4+ 27. Ke4 f3 28. Rxb6 f2 29. Rb7+ Kf8 30. Rf1 Rd5 31. Ke3 Rdxe5+ 32. Kd2 Rf3 33. Rc7 Rd5+ 34. Ke2 Rxa3 35. Rxf2 Ra2+ 36. Kf1 0-1

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Giaccio, Alfredo Gustavo"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2460"]
[BlackElo "2450"]
[PlyCount "89"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. Re1 Bg4 9. c4 Nf6 10. cxd5 Bxf3 11. Qxf3 Qxd5 12. Qh3 Qxd4 13. Nc3 0-0 14. Bg5 h6 15. Rad1 Rad8 16. Bh7+ Kxh7 17. Rxd4 Rxd4 18. Be3 Rd7 19. Qf5+ Kg8 20. Qb5 Rb8 21. h3 a6 22. Qf5 Rbd8 23. g4 Nd5 24. Nxd5 Rxd5 25. Qc2 Bf6 26. Kg2 Be5 27. a3 Rb5 28. b4 Rbd5 29. h4 Rd3 30. g5 hxg5 31. hxg5 Rxa3 32. g6 Rad3 33. Qc4 R3d5 34. Bc5 b5 35. Qg4 Nb8 36. Qh3 fxg6 37. Qe6+ Kh7 38. Rh1+ Bh2 39. Rxh2+ Rh5 40. Rxh5+ gxh5 41. Qe7 Rg8 42. Qe4+ Kh8 43. Qg6 Rd8 44. Be7 Rd5 45. Qe8+ 1-0

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Gomez Baillo, Jorge H"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2440"]
[BlackElo "2450"]
[PlyCount "72"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 cxd4 7. cxd4 f6 8. Nf4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Qe7 11. exf6 Nxf6 12. Bd3 Nc6 13. Nf3 Ne4 14. Bxe4 dxe4 15. Ne5 Nxe5 16. dxe5 0-0 17. 0-0 Bd7 18. Ne2 Bc6 19. Rfe1 Rad8 20. Nd4 Bd5 21. Rad1 Rf7 22. Qe3 Rdf8 23. Rd2 Qc7 24. Nb5 Qxe5 25. Qxa7 Qg5 26. Qe3 Qg6 27. Qg3 e3 28. Qxg6 exd2 29. Qxf7+ Rxf7 30. Rd1 Bxa2 31. Rxd2 Bd5 32. f3 Bc6 33. Nd6 Rf4 34. Kf2 Kf8 35. Ke3 Rb4 36. Kd3 Bd5 1/2-1/2

[Event "Clarin GP op"]
[Site "Villa Martelli"]
[Date "1997.??.??"]
[Round "6"]
[White "Idigoras, Alejandro"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2280"]
[BlackElo "2460"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. d4 c6 7. Qc2 Nbd7 8. Rd1 b6 9. Nc3 Ba6 10. e4 Bxc4 11. e5 Ne8 12. h4 Rc8 13. Bg5 c5 14. Bxe7 Qxe7 15. Ng5 g6 16. b3 Ba6 17. Nf3 cxd4 18. Rxd4 Qc5 19. Rc1 Nxe5 20. Qd2 Nxf3+ 21. Bxf3 Nf6 22. h5 Ne4 23. Bxe4 dxe4 24. hxg6 hxg6 25. b4 Qc7 26. Rd7 Qe5 27. Qe3 Rfd8 28. f4 Qf5 29. Rxa7 Rd3 30. Qe1 0-1

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Kanefsck, Gustavo"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2350"]
[BlackElo "2450"]
[PlyCount "32"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 Bf6 9. Qd3 c5 10. 0-0-0 cxd4 11. Nxd4 Bxd4 12. Qxd4 Qxd4 13. Rxd4 Nc6 14. Rd2 Ke7 15. Be2 Rg8 16. g3 Rd8 1/2-1/2

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "9"]
[White "Milos, Gilberto"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2605"]
[BlackElo "2450"]
[PlyCount "32"]
[EventDate "1997.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Bxf6 8. Qd2 Bxg5 9. Nxg5 0-0 10. 0-0-0 b6 11. d5 Nc5 12. Bc4 b5 13. Bxb5 Rb8 14. Bc4 Qf6 15. c3 h6 16. Nf3 exd5 1/2-1/2

[Event "Itau Mercosul Cup 1st"]
[Site "Sao Paulo"]
[Date "1997.??.??"]
[Round "1"]
[White "Pereyra Arcija, Diego"]
[Black "Burgos, Marcelo Alves"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2460"]
[PlyCount "77"]
[EventDate "1997.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. Nf1 e5 9. Ne3 Bg4 10. Nxg4 Nxg4 11. d5 Nb8 12. Qb3 b6 13. c5 Nd7 14. Qc4 h5 15. c6 Nf8 16. h3 Nh6 17. e4 Ng6 18. h4 Ng4 19. Bh3 Nf6 20. Ng5 Nf8 21. 0-0-0 N8h7 22. Kb1 0-0 23. Nf3 b5 24. Qe2 a5 25. Nd2 Rab8 26. f3 a4 27. g4 g6 28. Nf1 Kg7 29. Ng3 hxg4 30. fxg4 Rh8 31. g5 Nh5 32. Nxh5+ gxh5 33. Qxh5 Nf8 34. Qg4 Ng6 35. h5 Nf4 36. h6+ Kf8 37. Rdf1 a3 38. b3 b4 39. Qf5 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1997.??.??"]
[Round "8"]
[White "Pereyra Arcija, Diego"]
[Black "Dos Santos, Ramiro"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2450"]
[BlackElo "2360"]
[PlyCount "81"]
[EventDate "1997.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bd3 Nc6 7. Be3 Be6 8. Nc3 Bc4 9. Bxc4 Nxc4 10. Qe2 Nb6 11. e6 fxe6 12. Nf3 Nd5 13. Ne4 Nxe3 14. Qxe3 Qd5 15. 0-0 g6 16. Nc5 0-0-0 17. Nxe6 Rd6 18. Nf4 Qf5 19. d5 Nb8 20. Rac1 Bh6 21. Qc3 c6 22. Qxh8+ Rd8 23. Qxh7 Bxf4 24. Rc4 Bd6 25. dxc6 Nxc6 26. Nd4 Qe5 27. Qh3+ Kb8 28. Nxc6+ bxc6 29. Qb3+ Ka8 30. g3 Bc5 31. Qc2 Bb6 32. Rxc6 Kb7 33. Rxg6 Rc8 34. Qb3 Qf5 35. Qe6 Qf3 36. Qxe7+ Rc7 37. Rxb6+ axb6 38. Qe3 Qd5 39. b3 Qh5 40. Rc1 Rh7 41. h4 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "5"]
[White "Pereyra Arcija, Diego"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2450"]
[BlackElo "2380"]
[PlyCount "38"]
[EventDate "1997.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Qe8 8. dxe5 dxe5 9. Nd5 Na6 10. Bg5 Nxe4 11. Be7 c6 12. Bxf8 Qxf8 13. Ne3 Nac5 14. Nd2 a5 15. Nxe4 Nxe4 16. Qc2 Nc5 17. Rad1 f5 18. Qd2 f4 19. Nc2 Bf5 1/2-1/2

[Event "Clarin GP op"]
[Site "Villa Martelli"]
[Date "1997.??.??"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "2460"]
[BlackElo "2465"]
[PlyCount "130"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. e5 b5 9. Qb3 Nfd7 10. e6 fxe6 11. Qxe6+ Kh8 12. Qe4 Nb6 13. Qh4 Nc6 14. Bd3 e5 15. Bg5 Qe8 16. 0-0 exd4 17. Rae1 Qf7 18. Be4 Bd7 19. Bxc6 Bxc6 20. Nxd4 Qc4 21. Nxc6 Qxc6 22. Re7 Rae8 23. Rxg7 Kxg7 24. Bh6+ Kg8 25. Bxf8 Rxf8 26. Re1 Qf6 27. Qxf6 Rxf6 28. Re7 Rc6 29. g3 b4 30. Ne4 Na4 31. Ng5 Nxb2 32. Ne6 Na4 33. Rg7+ Kh8 34. Re7 h5 35. Re8+ Kh7 36. Re7+ Kg8 37. Nxc7 Nc3 38. Ne6 Nxa2 39. Nd4 Rd6 40. Nb3 Nc1 41. Nc5 Rc6 42. Ne4 b3 43. Rb7 Rc4 44. Nd2 Rc2 45. Ne4 Ra2 46. Nc5 b2 47. Kg2 Ra5 48. Nxa6 Rxa6 49. Rxb2 Nd3 50. Re2 Kf7 51. Re3 Rd6 52. h3 Nc5 53. Rf3+ Kg7 54. Rc3 Ne6 55. Rc2 Kf6 56. Ra2 Rc6 57. Rd2 Rc3 58. Re2 Nd4 59. Re4 Rd3 60. Rf4+ Ke5 61. Rf7 Ne6 62. h4 Rd2 63. Kf3 Ra2 64. Kg2 Rc2 65. Kf3 Rc7 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1997.??.??"]
[Round "6"]
[White "Pereyra Arcija, Diego"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2450"]
[BlackElo "2250"]
[PlyCount "55"]
[EventDate "1997.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Na6 8. Be2 c5 9. d5 e6 10. 0-0 exd5 11. exd5 Bf5 12. Be3 Re8 13. Rad1 Ne4 14. d6 Nxc3 15. bxc3 Bd7 16. Ng5 Qf6 17. Bf3 Rab8 18. Bd5 Rf8 19. Bxb7 Rxb7 20. Qxa6 Rb2 21. Qxa7 Bb5 22. Rfe1 Be2 23. Rc1 c4 24. Ne4 Qh4 25. Ng3 Bd3 26. d7 Bf6 27. Bc5 Rd8 28. Re8+ 1-0

[Event "Clarin GP1 Boca Juniors"]
[Site "Boca"]
[Date "1997.??.??"]
[Round "5"]
[White "Pereyra Arcija, Diego"]
[Black "Madina Yadarola, Martin"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2450"]
[BlackElo "2320"]
[PlyCount "43"]
[EventDate "1997.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. e5 b5 9. Qb3 Nfd7 10. Be3 c5 11. e6 fxe6 12. Qxe6+ Kh8 13. Qe4 cxd4 14. Nxd4 Nc5 15. Qxa8 Bb7 16. Qa7 Nbd7 17. Ne6 Qa5 18. Nxf8 Bxc3+ 19. Ke2 Qb4 20. bxc3 Qb2+ 21. Bd2 b4 22. Nxd7 1-0

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Pereyra Arcija, Diego"]
[Black "Malbran, Guillermo"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2450"]
[BlackElo "2320"]
[PlyCount "79"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 0-0 7. 0-0 e6 8. Nd2 exd5 9. exd5 Re8 10. Nc4 Ne4 11. Nxe4 Rxe4 12. Bd3 Re8 13. Bf4 Bf8 14. a4 Na6 15. c3 Nc7 16. Qf3 b6 17. Rfd1 Ba6 18. Ne3 Bxd3 19. Rxd3 a6 20. Qg3 Qd7 21. h4 Re4 22. f3 Ree8 23. Nc4 Qf5 24. Rad1 Re1+ 25. Qxe1 Qxf4 26. Nxb6 Re8 27. Qf2 Bg7 28. g3 Qe5 29. Nc4 Qf6 30. b4 cxb4 31. cxb4 Rb8 32. Qa7 Qd8 33. Nxd6 Rxb4 34. Nxf7 Qc8 35. Ng5 Rb7 36. Qc5 Qf5 37. Qc6 Qe5 38. f4 Qb2 39. d6 Na8 40. Qc4+ 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Minzer, Claudio Javier"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2450"]
[BlackElo "2430"]
[PlyCount "81"]
[EventDate "1997.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 Nh5 8. Nh2 a5 9. Be2 Nf4 10. Bf3 Na6 11. Be3 f5 12. a3 Bd7 13. Nf1 b6 14. h4 Qe8 15. g3 fxe4 16. Nxe4 Nd3+ 17. Qxd3 Rxf3 18. Qe2 Rf8 19. g4 Nc5 20. Nfd2 Ba4 21. h5 Bc2 22. Nxc5 bxc5 23. Rc1 Ba4 24. Ne4 Bd7 25. f3 Rb8 26. Rc3 a4 27. Bc1 Rf4 28. Bxf4 exf4 29. Rc2 Rb3 30. Nc3 Qf7 31. hxg6 hxg6 32. Kd1 Bd4 33. Kc1 Qg7 34. Qh2 g5 35. Qh6 Qxh6 36. Rxh6 Be8 37. Re2 Bf7 38. Ne4 Rxf3 39. Nxg5 Rf1+ 40. Kc2 f3 41. Re7 1-0

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Pereyra Arcija, Diego"]
[Black "Pierrot, Juan Facundo"]
[Result "1/2-1/2"]
[ECO "D98"]
[WhiteElo "2450"]
[BlackElo "2410"]
[PlyCount "25"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Bg4 8. Be2 Nfd7 9. Be3 Nb6 10. Qc5 Bxf3 11. g3 e5 12. dxe5 N8d7 13. Qb5 1/2-1/2

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Pereyra Arcija, Diego"]
[Black "Recoulat, Eduardo Juan"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "2450"]
[BlackElo "2190"]
[PlyCount "94"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. 0-0-0 a6 10. Bd3 f4 11. Bf2 Nd7 12. Nge2 Rf7 13. Kb1 Nc5 14. Nc1 Bd7 15. Bc2 a5 16. Nd3 b6 17. b3 Qe8 18. a3 g5 19. Kb2 g4 20. b4 Nxd3+ 21. Bxd3 Bf6 22. Be2 g3 23. hxg3 Nxg3 24. Bxg3 fxg3 25. Bd3 Rg7 26. Ne2 Bg5 27. Qc3 axb4 28. axb4 Be3 29. Ra1 Rb8 30. b5 Qg6 31. Ra7 Rc8 32. Kc2 Qg5 33. Qa1 Rf7 34. Qe1 Bf2 35. Qd2 Qxd2+ 36. Kxd2 Kg7 37. Ng1 h6 38. Nh3 Bd4 39. Be2 Rff8 40. Bd1 Kg6 41. Ng1 Bc5 42. Ne2 Bf2 43. Bc2 h5 44. f4 exf4 45. e5+ Kh6 46. e6 Be8 47. Be4 Bg6 0-1

[Event "Clarin GP op"]
[Site "Villa Martelli"]
[Date "1997.??.??"]
[Round "3"]
[White "Pereyra Arcija, Diego"]
[Black "Rosito, Jorge"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2460"]
[BlackElo "2400"]
[PlyCount "72"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nc2 d4 8. f4 Nc6 9. fxe5 Qa5+ 10. Qd2 Qxe5 11. Bxc6+ bxc6 12. Qxd4 Qh5 13. Bf4 Be6 14. Nd2 Bc5 15. Qc3 0-0 16. 0-0-0 Rfd8 17. e3 Bf5 18. Nd4 Ne4 19. Nxe4 Bxe4 20. g4 Bxd4 21. Rxd4 Qxg4 22. Rhd1 Re8 23. Qe1 c5 24. Rd6 Bf3 25. Qg3 Bxd1 26. Rxd1 Qxg3 27. hxg3 Rad8 28. Rh1 f6 29. Rh5 g5 30. Bxg5 fxg5 31. Rxg5+ Kf7 32. Rh5 Kg6 33. Rxc5 Rxe3 34. Rc6+ Kg5 35. Rc7 h5 36. Rxa7 Rxg3 0-1

[Event "Clarin GP op"]
[Site "Villa Martelli"]
[Date "1997.??.??"]
[Round "5"]
[White "Pereyra Arcija, Diego"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2460"]
[BlackElo "2355"]
[PlyCount "70"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. 0-0 d6 8. Nd2 Qe7 9. a4 Ne8 10. Nc4 f5 11. exf5 gxf5 12. f4 e4 13. Be3 Nd7 14. Qd2 b6 15. Kh1 Ba6 16. Nb5 Bb7 17. Bf2 a6 18. Nc3 Nc7 19. Ne3 Bd4 20. Ncd1 Qf7 21. c3 Bg7 22. Bh4 b5 23. a5 c4 24. g4 Nc5 25. Qe1 fxg4 26. Bxg4 Rae8 27. Qg3 Nxd5 28. Nxd5 e3 29. N1xe3 Bxd5+ 30. Nxd5 Qxd5+ 31. Bf3 Qf5 32. Rg1 Rf7 33. Bg4 Qd5+ 34. Bf3 Qf5 35. Bg4 Qd5+ 1/2-1/2

[Event "Clarin GP1 Boca Juniors"]
[Site "Boca"]
[Date "1997.??.??"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2450"]
[BlackElo "2345"]
[PlyCount "49"]
[EventDate "1997.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 c5 6. d5 e5 7. Be2 d6 8. 0-0 Kh8 9. Ne1 Ng8 10. Nd3 f5 11. f4 exf4 12. Nxf4 Bxc3 13. bxc3 fxe4 14. Bg4 Bxg4 15. Qxg4 Nd7 16. Be3 Ne5 17. Qh3 Rf6 18. Ne6 Qd7 19. Bg5 Rxf1+ 20. Rxf1 Nf7 21. Qh4 Nxg5 22. Nxg5 h6 23. Rf7 Qxf7 24. Nxf7+ Kg7 25. Nxd6 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "8"]
[White "Pereyra Arcija, Diego"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2450"]
[BlackElo "2505"]
[PlyCount "66"]
[EventDate "1997.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Nbd7 5. Qc2 dxc4 6. e3 a6 7. Bxc4 b5 8. Be2 Bb7 9. 0-0 c5 10. dxc5 Bxc5 11. Rd1 Qe7 12. Nd2 Rc8 13. Bf3 Ne5 14. Bxb7 Qxb7 15. Nde4 Be7 16. Nxf6+ gxf6 17. Qe4 Qxe4 18. Nxe4 f5 19. Nd6+ Bxd6 20. Rxd6 Ke7 21. Rd1 Rhd8 22. Bd2 Nd3 23. Bc3 e5 24. a3 e4 25. f3 f4 26. exf4 e3 27. Kf1 Nxf4 28. Rxd8 Rxd8 29. g3 Nd5 30. Re1 Rc8 31. Bd4 Kd6 32. Bxe3 Rc2 33. Bd4 Rxh2 1/2-1/2

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Pereyra Arcija, Diego"]
[Black "Szmetan, Jorge"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2450"]
[BlackElo "2405"]
[PlyCount "76"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. g3 Bxf3 4. exf3 g6 5. Bg2 Bg7 6. 0-0 d5 7. Re1 e6 8. c3 Ne7 9. f4 0-0 10. Nd2 b6 11. Nf3 c5 12. g4 Nbc6 13. Be3 Qd6 14. Re2 Rac8 15. Kh1 Rc7 16. h3 Rfc8 17. Ne5 cxd4 18. Bxd4 Nxd4 19. Qxd4 Nc6 20. Qe3 g5 21. Nd3 d4 22. Qe4 dxc3 23. bxc3 Bxc3 24. Rf1 Nd4 25. Re3 Nc2 26. Rg3 Rc4 27. Qe2 gxf4 28. Nxf4 Qxf4 29. Qxc2 Be5 30. Qe2 Rc2 31. Qe3 Rxa2 32. Qxf4 Bxf4 33. Rf3 Be5 34. Re1 Bd4 35. Rf4 Bxf2 36. Rf1 Rcc2 37. Be4 Rd2 38. g5 Be3 0-1

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "4"]
[White "Quinteros, Miguel Angel"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2510"]
[BlackElo "2450"]
[PlyCount "71"]
[EventDate "1997.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Nbd7 11. a5 Nd5 12. Nc3 Nxf4 13. gxf4 Nf6 14. e3 Ne4 15. Ne5 Nd2 16. Nxc6 bxc6 17. Qxc6 Nxf1 18. Qxa8 Qxa8 19. Bxa8 Nxe3 20. Bb7 Nc2 21. Ra4 Nb4 22. Na2 Nxa2 23. Rxa2 Rd8 24. d5 Rd6 25. b4 Bf6 26. b5 Bd4 27. dxe6 fxe6 28. Bxa6 e5 29. Rc2 Rd7 30. Bc8 Re7 31. f5 Kf8 32. Kf1 e4 33. Be6 e3 34. Rc4 Ba7 35. b6 cxb6 36. a6 1/2-1/2

[Event "Clarin GP op"]
[Site "Villa Martelli"]
[Date "1997.??.??"]
[Round "2"]
[White "Seminara, Juan Pablo"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2240"]
[BlackElo "2460"]
[PlyCount "54"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Qe2 dxe4 4. dxe4 e5 5. Nf3 Nd7 6. g3 Ngf6 7. Bg2 Be7 8. 0-0 c6 9. Nh4 g6 10. Bh6 Nc5 11. Rd1 Qb6 12. Nd2 Be6 13. Bg7 Rg8 14. Bxf6 Bxf6 15. Nc4 Bxc4 16. Qxc4 Bxh4 17. gxh4 Ke7 18. Qc3 f6 19. Qd2 Rad8 20. Qh6 Ne6 21. Rxd8 Qxd8 22. Qxh7+ Rg7 23. Qh6 g5 24. hxg5 Rxg5 25. h4 Rg4 26. Kh1 Qg8 27. Bf3 Nf4 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1997.??.??"]
[Round "7"]
[White "Vasta, Eduardo"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2395"]
[BlackElo "2450"]
[PlyCount "62"]
[EventDate "1997.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nxe4 4. Nc3 Nxc3 5. dxc3 f6 6. 0-0 Qe7 7. Re1 Nc6 8. Nh4 g6 9. b4 d6 10. f4 Be6 11. Bd3 0-0-0 12. Be3 Bh6 13. Nf3 Qf7 14. a4 Bxf4 15. Bxf4 exf4 16. a5 Ne5 17. b5 Rhe8 18. Re4 g5 19. Rea4 Nxd3 20. Qxd3 Bg4 21. b6 a6 22. bxc7 Rd7 23. Nd2 Be2 24. Qd4 Qe6 25. Ne4 Bb5 26. Rb4 f5 27. Qa7 Rxc7 28. Rxb5 axb5 29. a6 Qxe4 30. Qa8+ Kd7 31. axb7 Qxb7 0-1

[Event "Villa Gesell Clarin op"]
[Site "Villa Gesell"]
[Date "1996.??.??"]
[Round "3"]
[White "Adla, Diego Gustavo"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2440"]
[BlackElo "2430"]
[PlyCount "76"]
[EventDate "1996.??.??"]
[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 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 b6 8. Bb5+ c6 9. Bd3 Bb7 10. Qe2 Nd7 11. Ba6 Bxa6 12. Qxa6 Qc7 13. Qe2 0-0-0 14. 0-0-0 Nf8 15. c4 Ng6 16. g3 e5 17. Qc2 f5 18. Nc3 e4 19. Ng1 Rd7 20. Nge2 Rhd8 21. Qd2 Ne5 22. Kb1 Nxc4 23. Qh6 Qd6 24. Qxh7 Qb4 25. b3 Na3+ 26. Kb2 Nc4+ 27. Ka1 Nd6 28. Qh6 Rg8 29. h4 Kb7 30. Qd2 Nb5 31. Nxb5 Qxb5 32. Qc2 Bf6 33. Kb1 Rgd8 34. h5 Qb4 35. Rc1 c5 36. h6 Rxd4 37. a3 Qxa3 38. Nxd4 Rxd4 0-1

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "10"]
[White "Bastidas Rodriguez, Emilio Jose"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "2420"]
[PlyCount "66"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Ne2 0-0 6. 0-0 Nbd7 7. f4 e5 8. dxe5 dxe5 9. f5 c6 10. h3 h6 11. Be3 Qe7 12. Nbc3 b5 13. g4 g5 14. Ng3 Rd8 15. Qe1 Bf8 16. Nce2 Qb4 17. Qxb4 Bxb4 18. Rfd1 Bb7 19. Kf2 Bc5 20. Bf3 Bxe3+ 21. Kxe3 Nc5 22. Rh1 Rd6 23. Rad1 Rad8 24. Rxd6 Rxd6 25. h4 a5 26. hxg5 hxg5 27. Nh5 Nh7 28. Neg3 f6 29. Ne2 b4 30. Nhg3 Kg7 31. Nh5+ Kg8 32. Nhg3 Nf8 33. b3 Ba6 1/2-1/2

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "5"]
[White "Fiorito, Fabian"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2470"]
[BlackElo "2420"]
[PlyCount "83"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. b3 Be7 6. c4 bxc4 7. bxc4 c5 8. Bb2 0-0 9. d3 d6 10. Nc3 Nc6 11. e3 Rb8 12. Qe2 d5 13. Rab1 Ba6 14. Ba1 dxc4 15. dxc4 Rxb1 16. Rxb1 Qc8 17. Nb5 Rd8 18. Ng5 Qd7 19. a3 Bb7 20. Nxa7 Nd4 21. exd4 Bxg2 22. Kxg2 Qxa7 23. d5 exd5 24. Re1 h6 25. Bxf6 gxf6 26. Nh3 Bf8 27. Qg4+ Kh8 28. Qf5 Qd7 29. Qxf6+ Bg7 30. Qh4 d4 31. Nf4 Re8 32. Rxe8+ Qxe8 33. Qh5 Qe4+ 34. Qf3 Qe7 35. h4 Be5 36. Qe4 Qf6 37. Qa8+ Kh7 38. Qe4+ Kh8 39. Nd3 Bd6 40. a4 Qd8 41. Qd5 Qc7 42. a5 1-0

[Event "Buenos Aires op"]
[Site "Buenos Aires"]
[Date "1996.??.??"]
[Round "?"]
[White "Garcia Palermo, Carlos H"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2490"]
[BlackElo "2430"]
[PlyCount "129"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. dxc5 Qa5 8. Bd3 Qxc5 9. Qe2 Bg4 10. Be3 Qa5 11. 0-0 Nc6 12. Rac1 Nd7 13. Qd2 Bxf3 14. Rxf3 Bd4 15. Bxd4 Nxd4 16. Rf2 Nf6 17. Bb1 Nc6 18. Nd5 Qxd2 19. Nxf6+ Kg7 20. Nh5+ Kh6 21. Rxd2 Kxh5 22. c5 dxc5 23. Rxc5+ Kh6 24. Kf2 Rad8 25. Rcd5 Rxd5 26. exd5 Rd8 27. Be4 b6 28. d6 Nb8 29. dxe7 Re8 30. Bxg6 hxg6 31. Rd8 Rxe7 32. Rxb8 Re4 33. g3 Ra4 34. a3 Rc4 35. Re8 b5 36. Kf3 Kg7 37. h4 b4 38. Re4 Rc5 39. Rxb4 a5 40. Rb7 a4 41. Rb4 Ra5 42. g4 Ra6 43. g5 Ra5 44. Kg4 Kg8 45. h5 gxh5+ 46. Kxh5 Kg7 47. Kg4 Kg6 48. f5+ Kg7 49. Rb7 Kg8 50. f6 Rc5 51. Rb8+ Kh7 52. b3 axb3 53. Kh5 Rc1 54. Rxb3 Rh1+ 55. Kg4 Kg6 56. Rb5 Rg1+ 57. Kf4 Rf1+ 58. Ke3 Rg1 59. a4 Rg3+ 60. Kd2 Ra3 61. a5 Ra2+ 62. Kc3 Ra3+ 63. Kb4 Ra1 64. Rc5 Rb1+ 65. Ka4 1-0

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "12"]
[White "Ginzburg, Maximiliano"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "C82"]
[WhiteElo "2425"]
[BlackElo "2420"]
[PlyCount "98"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 0-0 11. Bc2 Nxf2 12. Rxf2 f6 13. exf6 Bxf2+ 14. Kxf2 Qxf6 15. Kg1 g5 16. Qe1 g4 17. Qh4 Bf5 18. Qxf6 Rxf6 19. Bxf5 Rxf5 20. Nh4 Re5 21. Nb3 Re1+ 22. Kf2 Rae8 23. Nf5 R8e2+ 24. Kg3 Rg1 25. Bf4 Rexg2+ 26. Kh4 Rxa1 27. Nxa1 Rxb2 28. Nb3 Rxa2 29. Nc5 Kf7 30. Bxc7 Kf6 31. Ne3 d4 32. cxd4 Nxd4 33. Nd5+ Kg6 34. Kxg4 a5 35. h4 b4 36. h5+ Kf7 37. Ne4 b3 38. Ng5+ Ke8 39. Nf6+ Ke7 40. Nd5+ Kd7 41. Be5 Rg2+ 42. Kf4 b2 43. Bxd4 b1Q 44. Nf6+ Ke7 45. Nd5+ Kd6 46. Ne3 Rxg5 47. Kxg5 Ke6 48. Ng4 Qf5+ 49. Kh4 Qe4 0-1

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "12"]
[White "Hernandez, Alexander"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2265"]
[BlackElo "2420"]
[PlyCount "34"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. 0-0 Bd6 8. Nc3 Nxc3 9. bxc3 Qh4 10. Re1+ Be6 11. g3 Qh3 12. Bf1 Qf5 13. c4 dxc4 14. Bxc4 0-0 15. Bxe6 fxe6 16. Qe2 Bb4 17. Bd2 Bxd2 1/2-1/2

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "8"]
[White "Kacheishvili, Giorgi"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "E42"]
[WhiteElo "2515"]
[BlackElo "2420"]
[PlyCount "79"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. a3 Be7 8. Nf4 0-0 9. cxd5 Nxd5 10. Ncxd5 exd5 11. Bd3 Bf6 12. 0-0 Nc6 13. Be3 g6 14. Bb1 Qd6 15. Qd2 Re8 16. Ba2 Be6 17. Rac1 Rad8 18. Rc5 b6 19. Rc3 Ne7 20. Ne2 Rc8 21. Bf4 Qd7 22. Be5 Bxe5 23. dxe5 d4 24. Rxc8 Rxc8 25. Bb1 Qb5 26. f4 Bc4 27. Nxd4 Rd8 28. Rd1 Qc5 29. b4 Qc8 30. Be4 Qa6 31. Qe3 Rc8 32. Qf3 Qa4 33. h3 Bd5 34. Bxd5 Nxd5 35. Rd2 Nc3 36. Kh2 a5 37. Rc2 Rc4 38. Rxc3 Rxd4 39. Rc8+ Kg7 40. f5 1-0

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "14"]
[White "Llanos, Guillermo"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2400"]
[BlackElo "2420"]
[PlyCount "80"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Ba6 8. e3 d6 9. Bd3 Nbd7 10. Ne2 c5 11. 0-0 Rc8 12. Qb3 d5 13. Qa4 cxd4 14. Bxf6 gxf6 15. Qxa6 Nc5 16. Bxh7+ Kxh7 17. Qb5 d3 18. Nf4 a6 19. Qb4 dxc4 20. Qxc4 b5 21. Qa2 Rc6 22. Rad1 Rd6 23. b4 Ne4 24. Qb3 Qc8 25. Rc1 Qd7 26. Qd1 e5 27. Nh5 d2 28. Rc2 Rc8 29. Ng3 Rxc2 30. Nxe4 Rc1 31. Qh5+ Kg7 32. Nxd2 Rxf1+ 33. Nxf1 Rd1 34. g3 Qd3 35. Qh3 f5 36. g4 fxg4 37. Qxg4+ Qg6 38. Qxg6+ Kxg6 39. Kg2 Ra1 40. Ng3 Rxa3 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "8"]
[White "Milos, Gilberto"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2565"]
[BlackElo "2430"]
[PlyCount "61"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. a4 Bb7 8. d3 d6 9. Nc3 b4 10. Ne2 0-0 11. Ng3 Na5 12. Ba2 Re8 13. Bg5 h6 14. Bh4 g6 15. c3 bxc3 16. bxc3 Kg7 17. Qd2 Qe7 18. d4 Bb6 19. Rfe1 Bc6 20. h3 Bxa4 21. Bd5 Nb3 22. Qa2 Nxa1 23. Bxa8 Bb3 24. Qxa6 Nc2 25. Rb1 Bc4 26. Qa4 exd4 27. Bc6 Rb8 28. cxd4 Bd3 29. Rd1 d5 30. e5 g5 31. Rxd3 1-0

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "6"]
[White "Moreda, Lucas"]
[Black "Pereyra Arcija, Diego"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2285"]
[BlackElo "2420"]
[PlyCount "51"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. Bd3 Qb6 12. Qf2 Rb8 13. 0-0 Na4 14. Nxa4 bxa4 15. Rab1 Qxf2+ 16. Kxf2 Nb4 17. b3 Bd7 18. bxa4 Bxa4 19. a3 Nxd3+ 20. cxd3 Kd7 21. Nd4 Rhc8 22. Ke3 g6 23. Rfc1 Rxc1 24. Rxb8 Re1+ 25. Kf2 Ra1 26. Rb6 1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "2"]
[White "Mosconi, Ariel Oscar"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "E93"]
[WhiteElo "2215"]
[BlackElo "2430"]
[PlyCount "86"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4 g4 12. Nh2 Nxg3 13. fxg3 h5 14. 0-0 Nc5 15. Bd3 f5 16. exf5 e4 17. Nxe4 Nxd3 18. Qxd3 Bxf5 19. Rae1 Qd7 20. Qd2 Rae8 21. Ng5 Be5 22. Ne6 Bxe6 23. dxe6 Qg7 24. Rxf8+ Rxf8 25. Rf1 Bxb2 26. Rxf8+ Kxf8 27. Qf4+ Qf6 28. Nf1 Bd4+ 29. Kh2 Ke7 30. Ne3 Qxf4 31. Nd5+ Kxe6 32. Nxf4+ Kf5 33. Nxh5 c6 34. Nf4 b5 35. Ne2 Bf2 36. cxb5 cxb5 37. Nc3 b4 38. Nb5 Bc5 39. Nc7 a5 40. Nd5 a4 41. Nf4 b3 42. axb3 a3 43. b4 Ba7 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "6"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "C20"]
[WhiteElo "2245"]
[BlackElo "2430"]
[PlyCount "74"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. e4 e5 2. Bb5 c6 3. Ba4 Nf6 4. Nc3 b5 5. Bb3 b4 6. Na4 Nxe4 7. Qe2 d5 8. d3 Nf6 9. Qxe5+ Be7 10. Bf4 0-0 11. Nf3 c5 12. 0-0 Nc6 13. Qc7 Qxc7 14. Bxc7 Ba6 15. Nd2 Rac8 16. Bf4 c4 17. dxc4 dxc4 18. Bxc4 Bxc4 19. Nxc4 Nd4 20. Bd6 Bxd6 21. Nxd6 Rc6 22. Nb7 Ne6 23. Rfd1 Rxc2 24. Rac1 Rfc8 25. Rxc2 Rxc2 26. Nbc5 Kf8 27. Nxe6+ fxe6 28. h3 Ke7 29. Rd4 Nd5 30. Rd1 g5 31. g3 h5 32. Kf1 Kf6 33. Ke1 Ke5 34. Rd2 Rxd2 35. Kxd2 Kd4 36. b3 h4 37. Nb2 g4 0-1

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "3"]
[White "Panno, Oscar"]
[Black "Pereyra Arcija, Diego"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2485"]
[BlackElo "2420"]
[PlyCount "72"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Bg5 a6 7. Qd2 Nbd7 8. Nge2 c5 9. d5 b5 10. cxb5 Nb6 11. Nc1 axb5 12. Bxb5 Ba6 13. Bxa6 Rxa6 14. 0-0 Na4 15. N1e2 Qa5 16. Nxa4 Qxa4 17. Nc3 Qb4 18. Rf2 Rb8 19. Rc1 Nd7 20. b3 Rba8 21. h4 Bd4 22. Rc2 Bxf2+ 23. Kxf2 f6 24. Bf4 Qd4+ 25. Be3 Qxd2+ 26. Rxd2 Ne5 27. Ke2 f5 28. Bf4 Nd7 29. exf5 gxf5 30. Kd3 Kf7 31. Re2 Nf6 32. Bg5 Rb6 33. Re6 Ng8 34. h5 Rb4 35. Kc2 c4 36. Re3 h6 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Baeos, Oscar"]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2430"]
[BlackElo "2370"]
[PlyCount "73"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. c4 g6 5. Nc3 Bg7 6. d5 c5 7. Nh3 Na6 8. Nf4 Nc7 9. h4 Ng4 10. 0-0 0-0 11. Bd2 Qe8 12. a4 Ne5 13. b3 h6 14. Nh3 Qf7 15. Qc2 Ne8 16. Rae1 Rb8 17. f4 Ng4 18. Nf2 Nef6 19. Nxg4 Nxg4 20. Bf3 Nf6 21. Kg2 b6 22. e4 fxe4 23. Nxe4 Bf5 24. Nxf6+ Qxf6 25. Be4 Rbe8 26. Rf3 a5 27. Rfe3 h5 28. Bc3 Qf7 29. Bxf5 gxf5 30. Bxg7 Qxg7 31. Qe2 Qf6 32. Qxh5 Rf7 33. Re6 Qc3 34. Rg6+ Rg7 35. Rxg7+ Kxg7 36. Re6 Kf8 37. Qxf5+ 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "9"]
[White "Pereyra Arcija, Diego"]
[Black "Celestino, Guillermo"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2430"]
[BlackElo "2240"]
[PlyCount "57"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nf3 f5 5. g3 Nf6 6. Bg2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. Re1 e5 10. e4 Nc6 11. d5 Nd8 12. exf5 Bxf5 13. h3 Qd7 14. g4 Bg6 15. Nh4 Bf7 16. Re3 c6 17. Ne4 Nxe4 18. Bxe4 Rb8 19. Nf3 Bg6 20. Bxg6 hxg6 21. Qd3 Qf7 22. Rf1 Qf6 23. c5 Nf7 24. dxc6 bxc6 25. cxd6 Rfd8 26. Qe4 Qxd6 27. Nxe5 Qd5 28. Qxd5 Rxd5 29. Nxc6 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "3"]
[White "Pereyra Arcija, Diego"]
[Black "Churin, Leonardo"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2430"]
[BlackElo "2310"]
[PlyCount "83"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Bxc6 dxc6 6. d3 Nh6 7. c3 f6 8. a4 e5 9. Na3 Be6 10. Be3 b6 11. h3 Nf7 12. d4 cxd4 13. cxd4 0-0 14. Qc2 Rc8 15. Rfd1 Qc7 16. Rac1 Qb8 17. dxe5 fxe5 18. Nc4 c5 19. Ng5 Nxg5 20. Bxg5 Bf6 21. Bxf6 Rxf6 22. Ne3 Rff8 23. Nd5 Rcd8 24. Qc4 Qb7 25. Rc2 Bxd5 26. Rxd5 Rxd5 27. Rd2 Rfd8 28. exd5 Qf7 29. g3 Rd6 30. Kg2 Kg7 31. a5 Qf5 32. a6 h5 33. b4 cxb4 34. Qxb4 Qd7 35. Qc3 Qf5 36. Qc7+ Qd7 37. Qxd7+ Rxd7 38. Kf3 Kf6 39. Ke4 Rd6 40. Rd3 b5 41. Rf3+ Ke7 42. Rb3 1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "5"]
[White "Pereyra Arcija, Diego"]
[Black "Cristobal, Ruben"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2430"]
[BlackElo "2250"]
[PlyCount "86"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 051 Extra"]
[Source "ChessBase"]
[SourceDate "1996.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 0-0 6. Bg2 Nc6 7. 0-0 Bxd2 8. Nbxd2 d6 9. e4 a5 10. Qe2 e5 11. d5 Nd8 12. Ne1 Bg4 13. f3 Bd7 14. Nd3 c6 15. Rae1 b5 16. b3 Nb7 17. f4 Ne8 18. Qe3 Ra6 19. fxe5 dxe5 20. c5 f6 21. a4 bxa4 22. d6 Qe6 23. bxa4 g6 24. Rb1 Ra7 25. Bf3 Ng7 26. Bd1 Qe8 27. Bb3+ Be6 28. Nc4 Nd8 29. Rf2 Kh8 30. Qe1 Nh5 31. Nxa5 Bxb3 32. Rxb3 Ne6 33. Rb7 Rxb7 34. Nxb7 Ng5 35. Kg2 Qc8 36. Rb2 Qh3+ 37. Kh1 Nxe4 38. Rg2 Nhxg3+ 39. Kg1 Qf5 40. hxg3 Ng5 41. Qd1 Nf3+ 42. Kf1 Nh2+ 43. Kg1 Nf3+ 1/2-1/2

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "11"]
[White "Pereyra Arcija, Diego"]
[Black "Del Rio de Angelis, Salvador Gabriel"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2420"]
[BlackElo "2325"]
[PlyCount "31"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. e4 e5 10. d5 Nb8 11. Ne1 a5 12. b3 h5 13. h3 Na6 14. a3 Bd7 15. Nd3 c6 16. dxc6 1/2-1/2

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Dorin, Mauricio"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2420"]
[BlackElo "2290"]
[PlyCount "95"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 b6 6. Bg2 Bb7 7. 0-0 Bxd2 8. Qxd2 d6 9. Nc3 0-0 10. Qc2 c5 11. e4 cxd4 12. Nxd4 Rc8 13. Qe2 Nc6 14. Nc2 a6 15. Rac1 Ne5 16. Ne3 b5 17. cxb5 axb5 18. f4 Ned7 19. b4 Qd8 20. Rfe1 Ra3 21. Qb2 Rca8 22. Nxb5 Rxa2 23. Qd4 e5 24. Qxd6 Ne8 25. Qd1 exf4 26. gxf4 Qh4 27. Nc3 Qf2+ 28. Kh1 Rd2 29. Qf3 Ndf6 30. Qxf2 Rxf2 31. Rf1 Rb2 32. Rb1 Rd2 33. Rbd1 Rb2 34. Rd4 h5 35. Ned1 Rc2 36. Rf2 Rc1 37. e5 Bxg2+ 38. Kxg2 Ng4 39. Rfd2 Kh7 40. Rd7 Nh6 41. b5 Nf5 42. Kf2 Rc8 43. b6 R1xc3 44. Nxc3 Rxc3 45. Rb2 Rc8 46. b7 Rb8 47. Ra2 Nfd6 48. exd6 1-0

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "2"]
[White "Pereyra Arcija, Diego"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2420"]
[BlackElo "2380"]
[PlyCount "77"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 c5 5. d5 b5 6. cxb5 a6 7. bxa6 d6 8. Nc3 Bxa6 9. Bg2 Nbd7 10. 0-0 Nb6 11. Re1 0-0 12. Nd2 Qd7 13. Rb1 Bb7 14. e4 Ng4 15. h3 Ne5 16. Bf1 Ba6 17. Re3 Nbc4 18. Nxc4 Nxc4 19. Re1 Rfb8 20. Qc2 Ne5 21. Kg2 Bc8 22. Kh1 Nf3 23. Re3 Nd4 24. Qd1 Ba6 25. Bg2 Nb5 26. Ne2 Bc8 27. b4 cxb4 28. Reb3 Nc7 29. Rxb4 Rxb4 30. Rxb4 Rxa2 31. Be3 Na6 32. Rc4 Nc5 33. Nd4 Ba6 34. Rb4 h6 35. Qb1 Ra4 36. Rxa4 Qxa4 37. Nc6 e6 38. Qb8+ Kh7 39. Ne7 1-0

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "9"]
[White "Pereyra Arcija, Diego"]
[Black "Irzhanov, Ruslan"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2420"]
[BlackElo "2535"]
[PlyCount "82"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 Nxd6 11. Qb3 h6 12. Rd1 f5 13. Nd2 g5 14. Nc4 f4 15. e4 Ng6 16. Bd2 Rf7 17. Rac1 Bf8 18. Nb5 h5 19. Ba5 Nxb5 20. Qxb5 a6 21. Qb3 b5 22. d6 bxc4 23. Rxc4 Bxd6 24. Rxc7 Qxc7 25. Bxc7 Bxc7 26. Bf1 Rb8 27. Qa4 Kg7 28. Bc4 Re7 29. Rd2 Rb6 30. b4 Rf6 31. Qd1 g4 32. Kg2 h4 33. a4 Bb6 34. Rd6 h3+ 35. Kg1 Bd4 36. Rxf6 Kxf6 37. Kf1 Rc7 38. Qd3 f3 39. Ke1 Nf8 40. Bxa6 Bc3+ 41. Kf1 Rd7 0-1

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "7"]
[White "Pereyra Arcija, Diego"]
[Black "Kalod, Radek"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2420"]
[BlackElo "2380"]
[PlyCount "77"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Na6 8. Be2 c5 9. d5 e6 10. 0-0 exd5 11. exd5 Bf5 12. Be3 Re8 13. Rad1 Ne4 14. d6 Qd7 15. Nxe4 Rxe4 16. Qd5 Nb4 17. Qxc5 Rc8 18. Bb5 Nc6 19. Qa3 Rg4 20. g3 a6 21. Be2 Bc2 22. Rd2 Ra4 23. Qc5 Nd4 24. Qxc8+ Qxc8 25. Bxd4 Bf5 26. Bxg7 Kxg7 27. Rfd1 Rxa2 28. d7 Bxd7 29. Rxd7 Rxb2 30. Bf1 Qc5 31. R1d4 b5 32. Nd2 Rb4 33. Rd3 a5 34. Rf3 Rd4 35. Rfxf7+ Kg8 36. Rg7+ Kf8 37. Rdf7+ Ke8 38. Nb3 Qd5 39. Nxd4 1-0

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "3"]
[White "Pereyra Arcija, Diego"]
[Black "Manhardt, Thomas"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2420"]
[BlackElo "2135"]
[PlyCount "90"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 Ne8 11. c5 f5 12. Nd2 axb4 13. Bxb4 dxc5 14. Bxc5 b6 15. Bb4 Nd6 16. Nc4 fxe4 17. Nxd6 cxd6 18. Nxe4 Rf4 19. f3 Nf5 20. Bd2 Bd7 21. g3 Ba4 22. Qe1 Rxe4 23. fxe4 Nd4 24. Rc1 Qd7 25. Bd3 Qg4 26. Qe3 Bd7 27. Rc7 Rf8 28. Rxf8+ Bxf8 29. Kg2 Qh3+ 30. Kh1 Qg4 31. Rc1 Bh6 32. Qf2 Bxd2 33. Qxd2 Qf3+ 34. Kg1 Qh5 35. Qf2 Nf3+ 36. Kh1 Nxh2 37. Qxh2 Qf3+ 38. Qg2 Qxd3 39. Rf1 Bg4 40. Kg1 Be2 41. Rf2 Bg4 42. Kh2 Qe3 43. Qf1 Qh6+ 44. Kg1 Qe3 45. Qg2 Kg7 1/2-1/2

[Event "Wch U20"]
[Site "Medellin"]
[Date "1996.??.??"]
[Round "13"]
[White "Pereyra Arcija, Diego"]
[Black "Mosquera Klinger, Miguel Alonso"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2420"]
[PlyCount "73"]
[EventDate "1996.11.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4 Qxe4+ 12. Qe2 Bxd2+ 13. Kxd2 Qd5+ 14. Kc3 Na6 15. Nxc4 0-0-0 16. Qe3 Nc5 17. a5 Ne4+ 18. Kb3 Qd4 19. Qxd4 Rxd4 20. Be2 Rhd8 21. Rhd1 c5 22. Rac1 Kb8 23. h4 f6 24. Bf3 Nf2 25. Rxd4 Rxd4 26. Rc2 Nd3 27. Rd2 e5 28. Kc3 Nf4 29. Nd6 Ne6 30. Rxd4 cxd4+ 31. Kc4 b6 32. axb6 axb6 33. Bg4 Nc7 34. h5 g6 35. h6 Ka7 36. Bd7 Na6 37. Be8 1-0

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "4"]
[White "Pereyra Arcija, Diego"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2420"]
[BlackElo "2535"]
[PlyCount "128"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. cxd5 exd5 10. Nc3 Re8 11. Bf4 Bb4 12. a3 Bxc3 13. bxc3 Ne4 14. c4 Nb6 15. cxd5 Bf5 16. dxc6 Nxg3 17. Qc5 Nxe2+ 18. Kh1 Nxf4 19. Qxf5 Nxg2 20. cxb7 Rb8 21. Kxg2 g6 22. Qb5 Rxb7 23. Rfe1 Ree7 24. Re5 Qc8 25. h3 Qc3 26. Rxe7 Rxe7 27. Qb4 Qxb4 28. axb4 Nd5 29. Ne5 Nxb4 30. Rb1 a5 31. Nc4 Rd7 32. Nxa5 Rxd4 33. Nb3 Rd5 34. Nc1 Nc2 35. Ne2 Kg7 36. Rc1 Rd2 37. Ng3 Ne3+ 38. Kf3 Nd5 39. Ra1 Rb2 40. Ra3 Nb4 41. Ne4 Nc2 42. Ra7 Ne1+ 43. Ke3 Ng2+ 44. Kf3 Nh4+ 45. Kg4 Nf5 46. Ng5 Rxf2 47. Rxf7+ Kg8 48. Rxh7 Rg2+ 49. Kf4 Rxg5 50. Ra7 Rh5 51. Ke5 Nh4+ 52. Kf4 Rf5+ 53. Kg4 Ng2 54. Ra3 Kh7 55. Rg3 Nf4 56. Ra3 Nh5 57. Ra4 Kh6 58. h4 Nf6+ 59. Kg3 Kh5 60. Rb4 Ra5 61. Rb3 Rc5 62. Rb4 Rc3+ 63. Kg2 Ng4 64. Rb6 Ne3+ 0-1

[Event "ARG-ch"]
[Site "Pena City"]
[Date "1996.??.??"]
[Round "9"]
[White "Pereyra Arcija, Diego"]
[Black "Slipak, Sergio"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2420"]
[BlackElo "2515"]
[PlyCount "48"]
[EventDate "1996.10.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 055 Extra"]
[Source "ChessBase"]
[SourceDate "1997.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d6 8. Nbd2 Nb6 9. exd6 Bxd6 10. Nc4 Nxc4 11. Bxc4 Qc7 12. 0-0 Bd7 13. Bb5 0-0-0 14. Rd1 e5 15. Ng5 Rhf8 16. Nxh7 Rfe8 17. Ng5 Re7 18. Qc4 e4 19. g3 Bf5 20. Re1 Ne5 21. Qxc7+ Bxc7 22. g4 Nxg4 23. f3 Bb6+ 24. Kh1 exf3 0-1

