[Event "Chesspangenberg op 1st"]
[Site "Buenos Aires"]
[Date "2003.11.11"]
[Round "7"]
[White "Girolami, Carlos Eman"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "A25"]
[BlackElo "2294"]
[PlyCount "77"]
[EventDate "2003.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Be6 5. d3 Qd7 6. e3 Nge7 7. Nd5 Nd8 8. d4 Nc8 9. b3 a5 10. Bb2 c6 11. Nc3 f5 12. Nf3 e4 13. Ng5 Be7 14. Nxe6 Nxe6 15. f3 exf3 16. Qxf3 0-0 17. 0-0 Na7 18. Qe2 Rae8 19. Qd3 g6 20. e4 fxe4 21. Nxe4 d5 22. cxd5 cxd5 23. Nc3 Nc7 24. Rae1 Nc6 25. Bc1 Bf6 26. Rxe8 Qxe8 27. Nxd5 Bxd4+ 28. Kh1 Nxd5 29. Bxd5+ Kg7 30. Rxf8 Qxf8 31. Bf4 Qc5 32. Qe4 Bf6 33. Qe6 Qf8 34. Bxc6 bxc6 35. Qxc6 Qe7 36. Qc7 Qxc7 37. Bxc7 Bc3 38. Kg2 Kf6 39. Kf3 1-0

[Event "Chesspangenberg op 1st"]
[Site "Buenos Aires"]
[Date "2003.11.10"]
[Round "6"]
[White "Idigoras, Alejandro"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2294"]
[BlackElo "2132"]
[PlyCount "70"]
[EventDate "2003.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 c5 5. Nf3 Nc6 6. 0-0 e5 7. a3 Nge7 8. Rb1 a5 9. d3 0-0 10. Bd2 Rb8 11. Qc1 Nf5 12. e3 Bd7 13. Ne1 Nfe7 14. Nc2 Bf5 15. e4 Be6 16. Bh6 f5 17. Bxg7 Kxg7 18. exf5 Nxf5 19. b4 Nfd4 20. b5 Ne7 21. Nxd4 cxd4 22. Ne4 b6 23. Rb2 h6 24. a4 Qd7 25. f4 Nf5 26. fxe5 dxe5 27. Rbf2 Qe7 28. c5 Rbc8 29. g4 Ne3 30. Rxf8 Rxf8 31. Rxf8 Qxf8 32. cxb6 Nxg4 33. b7 Kh8 34. h3 Ne3 35. Qc7 Qf4 1-0

[Event "Chesspangenberg op 1st"]
[Site "Buenos Aires"]
[Date "2003.11.06"]
[Round "3"]
[White "Tempone, Marcelo"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2438"]
[BlackElo "2294"]
[PlyCount "75"]
[EventDate "2003.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. 0-0 Re8 10. e3 Be6 11. Ng5 Bf5 12. Rfd1 Qe7 13. Ngf3 Na6 14. cxd5 cxd5 15. Nh4 Be6 16. a3 Nc5 17. Rac1 Rac8 18. b4 Nce4 19. Rxc8 Rxc8 20. Nxe4 dxe4 21. Bxe4 Bb3 22. Bf5 Re8 23. Rd3 Bd5 24. Bh3 Be4 25. Rd1 b6 26. Nf5 Qc7 27. Qa1 Bf3 28. Rc1 Qd8 29. Qd4 Qa8 30. Nh6+ gxh6 31. Qxf6 Qd5 32. Qxh6 Qd2 33. Rf1 Re5 34. Qf6 Qd5 35. Rc1 Re8 36. Bf1 Qd2 37. Rc7 Bd5 38. Qg5+ 1-0

[Event "Chesspangenberg op 1st"]
[Site "Buenos Aires"]
[Date "2003.11.05"]
[Round "2"]
[White "Idigoras, Alejandro"]
[Black "Mazzoleni, Julio"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2294"]
[BlackElo "2185"]
[PlyCount "69"]
[EventDate "2003.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 Nc6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 e5 6. d3 Nge7 7. 0-0 0-0 8. Rb1 a5 9. a3 h6 10. Nd2 Nd4 11. e3 Ne6 12. b4 axb4 13. axb4 c6 14. Bb2 f5 15. Ne2 Kh7 16. Qc2 Bd7 17. f4 exf4 18. Bxg7 Kxg7 19. gxf4 Ng8 20. c5 d5 21. Nf3 Nf6 22. Ne5 Ng4 23. Nxg4 fxg4 24. e4 dxe4 25. dxe4 Qb8 26. Rbd1 Bc8 27. f5 Ng5 28. Qc3+ Kg8 29. Rd6 Qc7 30. Qe5 Qf7 31. Rxg6+ Kh7 32. Qd6 Rg8 33. Rxh6+ Kg7 34. Nf4 Qb3 35. Qf6# 1-0

[Event "Chesspangenberg op 1st"]
[Site "Buenos Aires"]
[Date "2003.11.04"]
[Round "1"]
[White "Goldwaser, Christian"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "A87"]
[BlackElo "2294"]
[PlyCount "80"]
[EventDate "2003.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. c4 g6 5. Nf3 Bg7 6. 0-0 0-0 7. b3 e5 8. Bb2 e4 9. Ne1 e3 10. f4 g5 11. fxg5 Nh5 12. Nd3 Qxg5 13. Nf4 Nc6 14. Na3 Bd7 15. Nc2 Rae8 16. Rf3 Re4 17. Nxh5 Qxh5 18. Rxe3 Rxe3 19. Nxe3 f4 20. Nf1 Bg4 21. Qd2 Bh6 22. Bd5+ Kg7 23. Bxc6 f3 24. Qe3 f2+ 25. Kh1 bxc6 26. d5+ Kg6 27. Qd3+ Rf5 28. Qe4 Bg5 29. Qe6+ Rf6 30. Qe8+ Rf7 31. Qg8+ Kh6 32. h4 Bxh4 33. Qxf7 Qxf7 34. gxh4 Bxe2 35. Bc1+ Kg7 36. Bb2+ Kg8 37. Kg2 Qf3+ 38. Kh2 Qg4 39. Ne3 Qf4+ 40. Kg2 Qxe3 0-1

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.09.30"]
[Round "9"]
[White "Gomez Baillo, Jorge H"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2454"]
[BlackElo "2286"]
[PlyCount "63"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 c6 6. Qd2 b5 7. Nge2 Nbd7 8. Bh6 Bxh6 9. Qxh6 Qa5 10. Qd2 a6 11. g4 h6 12. Nc1 Bb7 13. Nb3 Qc7 14. a4 b4 15. Nd1 a5 16. Ne3 c5 17. Bb5 0-0 18. d5 Ne5 19. Qe2 e6 20. 0-0-0 c4 21. Bxc4 Rac8 22. Bb5 exd5 23. exd5 Qb6 24. f4 Ned7 25. g5 Rfe8 26. Rde1 Bxd5 27. Bxd7 Bxb3 28. Bxe8 Bxc2 29. Nxc2 b3 30. Bxf7+ Kh8 31. Bc4 bxc2 32. Qe6 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.09.27"]
[Round "6"]
[White "Llanos, Guillermo"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2437"]
[BlackElo "2286"]
[PlyCount "86"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. h3 0-0 7. Bd3 e6 8. Bg5 h6 9. Be3 exd5 10. exd5 Re8 11. Nf3 a6 12. a4 Nbd7 13. 0-0 Rxe3 14. fxe3 Qe7 15. Qe1 Nh7 16. Rb1 Ng5 17. Nxg5 Qxg5 18. Ne4 Qe7 19. Nd2 Ne5 20. Bc2 b5 21. axb5 axb5 22. cxb5 Bd7 23. b6 Rb8 24. b3 Rxb6 25. Nc4 Rb4 26. Nxe5 Bxe5 27. Rf3 Bb5 28. e4 Qb7 29. Rd1 Ba6 30. Kh1 Qe7 31. Qd2 h5 32. Bd3 Bc8 33. Bc4 Bd7 34. Rdf1 Be8 35. Qd3 Kg7 36. R3f2 Qh4 37. Qf3 Rb7 38. Ra2 Re7 39. Bd3 Bd7 40. Qf2 Bg3 41. Qc2 Be5 42. Qf2 Bg3 43. Qb2+ Be5 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.09.22"]
[Round "2"]
[White "Walsh, Hector"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B33"]
[BlackElo "2286"]
[PlyCount "56"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 Bg7 12. Bd3 Be6 13. 0-0 f5 14. Qh5 Rc8 15. c3 h6 16. Nc2 f4 17. Kh1 0-0 18. g3 Qg5 19. Qxg5 hxg5 20. a4 bxa4 21. Rxa4 a5 22. Na3 Rb8 23. Nc4 Rfd8 24. Rb1 Rb5 25. Nxe5 Rxd5 26. Nxc6 Rxd3 27. Nxd8 Bg4 28. Nc6 Kh7 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.??.??"]
[Round "4"]
[White "Ayala, Marcelo"]
[Black "Idigoras, Alejandro"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2150"]
[BlackElo "2286"]
[PlyCount "103"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 Bg4 4. b3 e6 5. Bb2 Nbd7 6. Be2 Bd6 7. Ne5 Bxe2 8. Qxe2 c6 9. d3 a5 10. a4 0-0 11. Nd2 Qc7 12. Ndf3 b5 13. 0-0 Rfb8 14. axb5 cxb5 15. Ra2 a4 16. Rfa1 Rb7 17. bxa4 Rxa4 18. c4 Rxa2 19. Rxa2 dxc4 20. dxc4 b4 21. Nxd7 Nxd7 22. Nd4 Bf8 23. Ra1 Nc5 24. f5 exf5 25. Nxf5 g6 26. Nd4 Rb8 27. e4 Re8 28. Nb5 Qf4 29. e5 Nb3 30. g3 Bc5+ 31. Kg2 Qd2 32. Qxd2 Nxd2 33. Rc1 Ra8 34. Rc2 Be3 35. c5 b3 36. Rc3 Ra2 37. Rxe3 Rxb2 38. Re2 Rc2 39. Nd4 b2 40. Nxc2 b1Q 41. Rxd2 Qb5 42. Nd4 Qxc5 43. Nf3 Qe3 44. Rf2 g5 45. g4 h5 46. gxh5 Kg7 47. h4 gxh4 48. Nxh4 Qg5+ 49. Kh3 Qxh5 50. Rf5 Qe2 51. Nf3 Qe4 52. Rxf7+ 1/2-1/2

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.??.??"]
[Round "7"]
[White "Idigoras, Alejandro"]
[Black "Albarran, Gustavo Eduardo"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2286"]
[BlackElo "2194"]
[PlyCount "45"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. 0-0 Nge7 7. a3 a6 8. b4 cxb4 9. axb4 Nxb4 10. Ba3 Nbc6 11. Ng5 f5 12. Bd5 Nxd5 13. cxd5 Nd4 14. e3 Qxg5 15. exd4 e4 16. Qb3 Bxd4 17. Rae1 Kf7 18. d6+ Kg7 19. Nxe4 fxe4 20. Rxe4 Bf6 21. Bb2 Rf8 22. Re7+ Kh8 23. Rf7 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.??.??"]
[Round "5"]
[White "Idigoras, Alejandro"]
[Black "Bibiloni, Jorge Jaime"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2286"]
[BlackElo "2218"]
[PlyCount "75"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Bd3 Bg7 7. Nge2 0-0 8. f3 Nh5 9. Be3 f5 10. exf5 gxf5 11. Qd2 Qh4+ 12. Bf2 Qf6 13. 0-0-0 a6 14. Kb1 Bd7 15. Be3 b5 16. g4 bxc4 17. Bxc4 fxg4 18. fxg4 Bxg4 19. Rhg1 Bf5+ 20. Ka1 Bg6 21. Ng3 Nxg3 22. Rxg3 Kh8 23. Rdg1 Ra7 24. Rxg6 hxg6 25. Bd3 Qh4 26. Rxg6 Raf7 27. a3 c4 28. Bb1 Nd7 29. Ne4 Rf1 30. Qc2 Nf6 31. Ng3 Rxb1+ 32. Qxb1 Nxd5 33. Rg5 Nf6 34. Rxg7 e4 35. Rg6 Ng8 36. Nxe4 Rf5 37. Qg1 Qd8 38. Bd4+ 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.??.??"]
[Round "3"]
[White "Idigoras, Alejandro"]
[Black "Fernandez Murga, Roberto"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2286"]
[BlackElo "2241"]
[PlyCount "61"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 c6 6. f3 Nbd7 7. Nge2 b5 8. Nc1 Bb7 9. Nb3 a5 10. a4 b4 11. Nd1 Qc7 12. Ne3 0-0 13. Be2 Rfc8 14. 0-0 Nb6 15. c3 c5 16. cxb4 cxb4 17. Rfc1 Qd8 18. Rxc8 Bxc8 19. Bb5 Bd7 20. Qd3 h6 21. Bh4 Nh5 22. Bxd7 Qxd7 23. Nc4 Nxc4 24. Qxc4 Nf4 25. Bf2 d5 26. Qb5 Qxb5 27. axb5 a4 28. Kf1 Nd3 29. Ra2 Rb8 30. Rxa4 Rxb5 31. Ra2 1/2-1/2

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.??.??"]
[Round "1"]
[White "Idigoras, Alejandro"]
[Black "Roselli, Leonardo"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2286"]
[PlyCount "95"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 c5 5. dxc5 e5 6. cxd6 Bxd6 7. a3 0-0 8. Be2 Nc6 9. Nf3 a5 10. 0-0 b6 11. Be3 Ng4 12. Bg5 Nf6 13. Nd5 Be7 14. Nxf6+ Bxf6 15. Qxd8 Bxd8 16. Be3 Bc7 17. b4 axb4 18. axb4 Rxa1 19. Rxa1 Nxb4 20. Ra7 Na6 21. c5 Bb8 22. Rxa6 Bxa6 23. Bxa6 bxc5 24. Bxc5 Rd8 25. Kf1 Rd1+ 26. Ke2 Ra1 27. Bc4 h6 28. h4 g6 29. Bd5 Kg7 30. Nd2 Rc1 31. Ba3 Rh1 32. g3 Ba7 33. Nf3 f6 34. Bb2 Rb1 35. Bc3 Rc1 36. Bd2 Rc2 37. g4 Rb2 38. g5 Bc5 39. gxf6+ Kxf6 40. Kd3 h5 41. Bc3 Rxf2 42. Nxe5 Ke7 43. Nxg6+ Kd7 44. e5 Rf1 45. Ke4 Rg1 46. e6+ Kd8 47. Bf6+ Kc8 48. Ne5 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1999.??.??"]
[Round "8"]
[White "Nedilsky, Diego"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "D95"]
[WhiteElo "2321"]
[BlackElo "2286"]
[PlyCount "90"]
[EventDate "1999.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[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. e3 0-0 6. Qb3 c6 7. Bd2 dxc4 8. Bxc4 b5 9. Be2 a5 10. 0-0 Bf5 11. Ne5 Qd6 12. Bf3 Ra6 13. a3 Nfd7 14. Nxd7 Nxd7 15. e4 Be6 16. d5 Ne5 17. Be2 Bg4 18. f3 Bd7 19. Be3 Rb8 20. f4 Nc4 21. e5 Qc7 22. Bxc4 bxc4 23. Qxc4 Qb7 24. Rad1 cxd5 25. Qxd5 Bc6 26. Qd2 f6 27. exf6 Bxf6 28. Rf2 a4 29. Qd3 Ra5 30. Qc4+ Kg7 31. Bd4 Rf8 32. Bxf6+ Rxf6 33. Rd8 Qb6 34. Qd4 Qc7 35. Re2 Raf5 36. g3 Kh6 37. Re5 Rxe5 38. fxe5 Rf5 39. e6 Rf6 40. Rg8 Qa5 41. Qh4+ Qh5 42. Qxh5+ Kxh5 43. Rb8 Kg4 44. Rb4+ Kf3 45. Nxa4 Rxe6 0-1

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.28"]
[Round "5"]
[White "Idigoras, Alejandro"]
[Black "Huenul, Marcelino"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2290"]
[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. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. Qd2 0-0 6. f3 c6 7. 0-0-0 b5 8. Bh6 b4 9. Nce2 Qa5 10. Kb1 Be6 11. Nc1 Nbd7 12. g4 Nb6 13. Bxg7 Kxg7 14. a3 c5 15. d5 Bd7 16. Na2 Rab8 17. h4 Bb5 18. axb4 cxb4 19. b3 Bxf1 20. Rxf1 Qb5 21. Ne2 a5 22. h5 Kg8 23. Nd4 Qd7 24. Qh6 e6 25. Rfg1 e5 26. hxg6 fxg6 27. Ne6 Rfc8 28. Rg2 Rb7 0-1

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.25"]
[Round "3"]
[White "Idigoras, Alejandro"]
[Black "Albarran, Gustavo Eduardo"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2290"]
[BlackElo "2105"]
[PlyCount "43"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bf8 7. Qg4 Nc6 8. Nf3 h5 9. Qg3 Nh6 10. Bd3 a6 11. Nd6+ Bxd6 12. exd6 Ng4 13. h3 Nf6 14. 0-0 h4 15. Qxg7 Rg8 16. Qh6 Ne4 17. Bxe4 dxe4 18. Ng5 Rg6 19. Qh7 Qf6 20. Nxe4 Qf5 21. Qxh4 Ne5 22. Qe7# 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.25"]
[Round "2"]
[White "Spangenberg, Hugo"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2520"]
[BlackElo "2290"]
[PlyCount "49"]
[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. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Be2 Be7 7. 0-0 0-0 8. c4 Qd6 9. Nc3 Rd8 10. dxc5 Qxc5 11. Qc2 Bd7 12. Be3 Qc7 13. h3 Be8 14. Rfd1 Nbd7 15. Nb5 Qb8 16. a3 Rc8 17. Qd2 Ne4 18. Qe1 Bf6 19. Bd4 a6 20. Bxf6 Ndxf6 21. Nbd4 Qf4 22. Bd3 Rd8 23. g3 Qh6 24. Bxe4 Qxh3 25. Ne5 1-0

[Event "Najdorf Festival op"]
[Site "Buenos Aires"]
[Date "1998.10.24"]
[Round "1"]
[White "Idigoras, Alejandro"]
[Black "Bruno, Walter"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2290"]
[PlyCount "67"]
[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. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 Be7 5. Bd3 e5 6. Nge2 Bg4 7. f3 exd4 8. Nxd4 Bd7 9. Be3 c5 10. Nde2 Nc6 11. 0-0 Ne5 12. Nf4 0-0 13. Be2 Re8 14. Qc2 Bf8 15. Rad1 Be6 16. Nxe6 Rxe6 17. Bxc5 Qc7 18. Bd4 Nxc4 19. Nb5 Qa5 20. Bxc4 Rc8 21. Qb3 Re7 22. Nxd6 Rcc7 23. e5 Ne8 24. Bb5 Rc6 25. Bxc6 bxc6 26. Nxe8 Rxe8 27. Bc3 Qc7 28. f4 Bc5+ 29. Kh1 Rb8 30. Qc4 Bf8 31. f5 Kh8 32. e6 f6 33. Rd7 Qb6 34. e7 1-0

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1998.??.??"]
[Round "7"]
[White "Caro, Esteban"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "2290"]
[PlyCount "88"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 b6 6. Bg2 Nf6 7. 0-0 Be7 8. Re1 0-0 9. e5 Nd7 10. Nf1 a5 11. h4 a4 12. a3 Ba6 13. Bf4 Rc8 14. Bh3 Qe8 15. Ng5 h6 16. Nf3 Kh7 17. c3 d4 18. Qc2 b5 19. N1d2 Nb6 20. Ne4 Nd5 21. Bd2 Kg8 22. Kg2 Qd7 23. g4 Rfd8 24. g5 dxc3 25. bxc3 b4 26. c4 b3 27. Qb2 Nb6 28. Re3 Bb7 29. Rd1 Nd4 30. Ba5 Qc6 31. Nxd4 Rxd4 32. Kh2 hxg5 33. hxg5 Qc7 34. Bxb6 Qxb6 35. Nf6+ Kf8 36. Qxd4 cxd4 37. Nd7+ Ke8 38. Nxb6 dxe3 39. fxe3 Bxa3 40. Nxa4 Bc6 41. Nc3 Bb2 42. Ne2 Bxe5+ 43. Nf4 b2 44. g6 Rb8 0-1

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1998.??.??"]
[Round "2"]
[White "Idigoras, Alejandro"]
[Black "Mangioni, Sebastian"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2290"]
[PlyCount "38"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. e4 0-0 6. Nge2 e5 7. 0-0 Na6 8. d3 Nc7 9. f4 d6 10. Kh1 b5 11. cxb5 cxb5 12. a3 Bb7 13. Qb3 a6 14. Be3 Qd7 15. Rad1 d5 16. fxe5 Ng4 17. Bc5 Rfd8 18. Nf4 d4 19. Ncd5 Nxd5 0-1

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1998.??.??"]
[Round "6"]
[White "Idigoras, Alejandro"]
[Black "Perelman, Hernan"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2290"]
[PlyCount "59"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. 0-0 e6 6. Nc3 d6 7. d4 cxd4 8. Qxd4 a6 9. Rd1 Nbd7 10. b3 Qc7 11. e4 Rc8 12. Ba3 Nc5 13. e5 dxe5 14. Qxe5 Be7 15. Qxc7 Rxc7 16. Ne5 Bxg2 17. Kxg2 0-0 18. f4 Rfc8 19. Kf3 h6 20. g4 g6 21. h4 h5 22. g5 Ne8 23. Bb2 Nd6 24. b4 Ncb7 25. Na4 Nf5 26. Nxb6 Rb8 27. Ned7 Rd8 28. c5 Nxh4+ 29. Ke2 Nf5 30. Nf6+ 1-0

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1998.??.??"]
[Round "8"]
[White "Idigoras, Alejandro"]
[Black "Seminara, Juan Pablo"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2290"]
[BlackElo "2320"]
[PlyCount "73"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nge7 7. Qe1 0-0 8. d3 Nd4 9. Nxd4 cxd4 10. Ne2 d5 11. Bb3 a5 12. a4 dxe4 13. dxe4 d3 14. Ng3 Nc6 15. Be3 dxc2 16. Bxc2 Nb4 17. Qf2 Bxb2 18. Rad1 Qc7 19. Bb1 Bg7 20. Rc1 Nc6 21. e5 f5 22. exf6 Bxf6 23. Ne4 Bh8 24. Ba2 Qg7 25. Rfd1 h6 26. Bc5 Rd8 27. Nd6 Kh7 28. h4 Nb4 29. Bb1 h5 30. Qf3 Kg8 31. Bb6 Rf8 32. Rc7 Qh6 33. f5 Be5 34. Be3 Qh8 35. Nf7 Qf6 36. fxg6 Qg7 37. Nh6+ 1-0

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1998.??.??"]
[Round "5"]
[White "Peralta, Fernando"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "E31"]
[WhiteElo "2360"]
[BlackElo "2290"]
[PlyCount "71"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 Bxc3+ 8. bxc3 e5 9. Qc2 Qe7 10. Nf3 Nbd7 11. Nd2 g5 12. Bg3 Kd8 13. Bd3 Re8 14. Bf5 Nh5 15. 0-0 Ndf6 16. Bxc8 Kxc8 17. a4 Qd7 18. a5 Ng4 19. e4 Ng7 20. Rfe1 Kc7 21. Rab1 Rab8 22. Rb5 h5 23. f3 Nf6 24. Nf1 h4 25. Bf2 Nfh5 26. Ne3 f5 27. exf5 Nf6 28. Ng4 Ngh5 29. Bxc5 dxc5 30. Rxc5+ Kd8 31. d6 Rc8 32. Rcxe5 Rxc4 33. Rxe8+ Nxe8 34. Ne5 Qb5 35. Qe2 Qc5+ 36. Kh1 1-0

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1998.??.??"]
[Round "9"]
[White "Slipak, Sergio"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2510"]
[BlackElo "2290"]
[PlyCount "62"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bg5 Bg7 8. e3 a6 9. a4 h6 10. Bh4 g5 11. Bg3 Nh5 12. Bd3 Nxg3 13. hxg3 Nd7 14. Qc2 Nf6 15. a5 Bd7 16. Nd2 0-0 17. Nc4 Bb5 18. Nb6 Bxd3 19. Qxd3 Rb8 20. Nc4 Qd7 21. 0-0 Rbe8 22. Rae1 Re7 23. e4 Ng4 24. Qd1 f5 25. exf5 Nxf2 26. Rxf2 Bd4 27. g4 Rfe8 28. Re6 Rxe6 29. dxe6 Qc6 30. Qf3 Qxf3 31. gxf3 Rd8 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.05.??"]
[Round "9"]
[White "Idigoras, Alejandro"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2250"]
[BlackElo "2395"]
[PlyCount "112"]
[EventDate "1997.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. e3 b6 5. Bb2 Bb7 6. Be2 Bd6 7. 0-0 0-0 8. Ne5 Nfd7 9. Nxd7 Nxd7 10. Nc3 a6 11. f4 f5 12. Bf3 Nf6 13. Qc2 Qd7 14. Ne2 c5 15. Nc1 Rad8 16. Ne2 Rc8 17. Rad1 b5 18. d3 Qe7 19. Ng3 g6 20. Rfe1 e5 21. cxd5 Nxd5 22. Bxd5+ Bxd5 23. e4 fxe4 24. Nxe4 Bxe4 25. fxe5 Ba8 26. exd6 Qxd6 27. Re3 Rf5 28. Rde1 Rcf8 29. Qc3 Qd4 30. Qxd4 cxd4 31. Bxd4 Rf2 32. R3e2 Rxe2 33. Rxe2 Kf7 34. Kf2 Rd8 35. Bc5 Rxd3 36. Re7+ Kf6 37. Ra7 Bd5 38. Ke2 Be4 39. Rxa6+ Ke5 40. g3 Rc3 41. Bb4 Rc2+ 42. Bd2 Bf5 43. Ra5 Kd4 44. Rxb5 Bd3+ 45. Kd1 Rxd2+ 46. Kxd2 Bxb5 47. a4 Bd3 48. b4 Bf5 49. b5 Bd7 50. Ke2 Kc5 51. Ke3 Kb4 52. Kd4 Kxa4 53. b6 Bc8 54. Kc5 Ka5 55. Kc6 Ka6 56. h3 Bxh3 0-1

[Event "Clarin GP op"]
[Site "Villa Martelli"]
[Date "1997.??.??"]
[Round "4"]
[White "Idigoras, Alejandro"]
[Black "Gomez Baillo, Jorge H"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2280"]
[BlackElo "2445"]
[PlyCount "37"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 c5 7. c4 Nd7 8. Nc3 dxc4 9. Bg5 a6 10. Nd2 Qc7 11. Nxc4 Nc6 12. d5 Ncxe5 13. Re1 Nxc4 14. dxe6 fxe6 15. Bxc4 Ne5 16. Nd5 Qb8 17. Nb6 Qd6 18. Rxe5 Qxb6 19. Rxf5 1-0

[Event "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "2"]
[White "Idigoras, Alejandro"]
[Black "Milos, Gilberto"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2250"]
[BlackElo "2605"]
[PlyCount "85"]
[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. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 d6 6. Nf3 e5 7. 0-0 Nge7 8. Ne1 0-0 9. Nc2 Be6 10. Ne3 f5 11. f4 Rb8 12. Rb1 a6 13. d3 b5 14. Ncd5 bxc4 15. dxc4 a5 16. b3 e4 17. Bd2 Re8 18. Kh1 Bf7 19. g4 Nxd5 20. cxd5 Nd4 21. gxf5 gxf5 22. Bc3 Bg6 23. Nc4 Bh5 24. Bxd4 cxd4 25. Qe1 a4 26. Na5 Rb5 27. Nc6 Qd7 28. Nb4 Rc5 29. Rg1 Rc3 30. bxa4 Re3 31. Qh4 Bxe2 32. Nc2 Rd3 33. Rbe1 Rd2 34. Nxd4 Bxd4 35. Bf3+ Kh8 36. Bxe2 Qf7 37. Bh5 Qxd5 38. Re3 Ra8 39. Bg6 Qg8 40. Rh3 Bxg1 41. Qf6+ Qg7 42. Rxh7+ Kg8 43. Qxg7# 1-0

[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 "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "6"]
[White "Idigoras, Alejandro"]
[Black "Slipak, Sergio"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2250"]
[BlackElo "2505"]
[PlyCount "65"]
[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. c4 e5 2. g3 d6 3. Bg2 f5 4. Nc3 Nf6 5. d4 Be7 6. e3 c6 7. Nge2 0-0 8. b3 Na6 9. 0-0 e4 10. d5 c5 11. f3 exf3 12. Bxf3 Nc7 13. a4 Nd7 14. Bg2 Ne5 15. Nf4 Bf6 16. Bb2 Ng4 17. Re1 Re8 18. Qd2 Rxe3 19. Rxe3 Nxe3 20. Re1 Nxg2 21. Kxg2 Bd7 22. Nh5 Be5 23. Nb5 Nxb5 24. axb5 g6 25. Bxe5 dxe5 26. Rxe5 gxh5 27. d6 Qf6 28. Qd5+ Kh8 29. Re7 Rd8 30. Qxc5 f4 31. Qf2 h4 32. Qf3 hxg3 33. Qf2 0-1

[Event "ARG-ch sf"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "?"]
[White "Idigoras, Alejandro"]
[Black "Soppe, Guillermo"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2250"]
[BlackElo "2480"]
[PlyCount "45"]
[EventDate "1997.06.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Be7 5. Be2 0-0 6. 0-0 b6 7. Bb2 Bb7 8. Ne5 Nbd7 9. f4 c5 10. Bf3 Qc7 11. Nxd7 Qxd7 12. Na3 Rad8 13. Qe2 Rfe8 14. Rad1 a6 15. d3 Qc7 16. g3 Nd7 17. e4 dxe4 18. dxe4 e5 19. Bg4 Bf6 20. Nc2 exf4 21. Rxd7 Rxd7 22. Bxf6 Rxe4 23. Qg2 1-0

[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 "Najdorf Memorial op"]
[Site "Buenos Aires"]
[Date "1997.??.??"]
[Round "5"]
[White "Rosito, Jorge"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2460"]
[BlackElo "2250"]
[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. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Qe2 e5 6. Qc4 d6 7. b4 Be6 8. Qc3 Nf6 9. bxc5 Nxe4 10. Qe3 Nxc5 11. Ba3 e4 12. Nd4 0-0 13. Bxc6 bxc6 14. Nc3 Bc4 15. Rfe1 Qa5 16. Bb2 f5 17. f4 Ne6 18. Nce2 Rfc8 19. d3 exd3 20. cxd3 Nxd4 21. Nxd4 Bd5 22. Re2 Qb6 23. Qf2 Re8 24. Rc2 Rab8 25. Bc3 Qa6 26. Rd1 Qa4 27. Rdc1 Rb7 28. Ne2 Rb1 29. Qf1 Rxc1 30. Qxc1 Bxc3 31. Nxc3 Qd4+ 32. Kh1 Qxd3 33. Nxd5 Qxc2 0-1

[Event "Clarin GP op"]
[Site "Villa Martelli"]
[Date "1997.??.??"]
[Round "5"]
[White "Spangenberg, Hugo"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2565"]
[BlackElo "2280"]
[PlyCount "47"]
[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 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nc7 8. Bc4 0-0 9. d3 b6 10. Bf4 Bb7 11. Qd2 Na5 12. Ne4 Ne8 13. Bg5 Nxc4 14. dxc4 f6 15. exf6 Nxf6 16. Bxf6 Bxf6 17. Nxf6+ Rxf6 18. Ne5 Rd6 19. Qg5 Qf8 20. Ng4 Re8 21. Nh6+ Kg7 22. Rxe7+ Qxe7 23. Nf5+ Kf7 24. Qxe7+ 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1997.??.??"]
[Round "2"]
[White "Zarnicki, Pablo Adrian"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2560"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Nxd4 10. Bxd4 Qa5 11. Kb1 e5 12. Be3 Be6 13. g4 Rfc8 14. Nd5 Qd8 15. Nxf6+ Bxf6 16. h4 Qc7 17. g5 Bg7 18. Bh3 Rd8 19. h5 d5 20. Bxe6 fxe6 21. Qh2 Rac8 22. Rdf1 Qf7 23. f4 exf4 24. Rxf4 Qe8 25. Rh4 d4 26. Bd2 Qa4 27. hxg6 d3 28. c3 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "7"]
[White "Hoffman, Alejandro"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2410"]
[BlackElo "2230"]
[PlyCount "63"]
[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 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Re8 10. Bf4 Nh5 11. Bg5 Qb6 12. Qc1 Na6 13. Nd2 Bd7 14. Nc4 Qc7 15. Ne4 Rxe4 16. Bxe4 b5 17. Nd2 h6 18. Be3 Re8 19. Bg2 Nf6 20. h3 Nb4 21. Nb1 Nbxd5 22. Bxh6 Bh8 23. Nc3 Nxc3 24. bxc3 Ne4 25. Bxe4 Rxe4 26. h4 Bc6 27. Qd2 Qd7 28. f3 Qh3 29. Rf2 Rg4 30. Bf4 b4 31. Qxd6 Bxc3 32. Rh2 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "4"]
[White "Idigoras, Alejandro"]
[Black "Paz, Victor Jorge"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2230"]
[BlackElo "2280"]
[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. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Be7 7. f4 Nc6 8. Be3 a6 9. Bb3 Qc7 10. 0-0 Bd7 11. f5 Nxd4 12. Bxd4 exf5 13. exf5 0-0 14. g4 h6 15. Qf3 Bc6 16. Qg3 Nh7 17. f6 Bxf6 18. Rxf6 gxf6 19. Rf1 Rae8 20. g5 fxg5 21. Qh3 Qd7 22. Qh5 Re6 23. Ne2 Be4 24. Ng3 d5 25. c3 Bd3 26. Nf5 Bxf5 27. Rxf5 Re1+ 28. Rf1 Rxf1+ 29. Kxf1 Qf5+ 30. Kg2 Qe4+ 31. Kg3 Qf4+ 32. Kg2 Qe4+ 33. Kg3 Qd3+ 34. Kg2 Re8 35. Bd1 Qd2+ 36. Kg3 Qd3+ 37. Bf3 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "1"]
[White "Minervino, Paula"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2230"]
[PlyCount "36"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. f3 Qc7 7. Nc3 Bb4 8. Qd2 d5 9. Bd3 e5 10. Nde2 d4 11. Nxd4 exd4 12. Bxd4 Nc6 13. Bxf6 gxf6 14. a3 Ba5 15. b4 Nxb4 16. 0-0 Nxd3 17. Qxd3 Bxc3 18. Rad1 Bd7 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1996.??.??"]
[Round "5"]
[White "Szmetan, Jorge"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2405"]
[BlackElo "2230"]
[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. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 Nc6 5. dxe4 e6 6. Nc3 Bb4 7. Bd3 d6 8. f4 Qe7 9. 0-0 Bd7 10. Qe1 0-0-0 11. a3 Bc5+ 12. Kh1 h6 13. Nf3 g5 14. b4 Bb6 15. Na4 gxf4 16. Bxf4 Nh5 17. Nxb6+ axb6 18. Be3 Rdf8 19. Qd2 e5 20. a4 Nb8 21. b5 d5 22. exd5 e4 23. d6 Qxd6 24. Bxe4 Qxd2 25. Bxd2 Nf6 26. Bd3 Rhg8 27. Ne5 Re8 28. Rxf6 Rxe5 29. Rxh6 1-0

[Event "Buenos Aires VII Najdorf op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "3"]
[White "Burgos, Carlos"]
[Black "Idigoras, Alejandro"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2350"]
[PlyCount "72"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. h4 d5 4. exd5 Qxd5 5. Be3 Nf6 6. Nc3 Qa5 7. Bc4 c6 8. Nf3 Bg4 9. Bxf7+ Kxf7 10. Ne5+ Qxe5 11. dxe5 Bxd1 12. exf6 Bxf6 13. Rxd1 Na6 14. Ne4 Nb4 15. c3 Nd5 16. Ke2 Rhd8 17. h5 Nxe3 18. hxg6+ hxg6 19. Kxe3 Rd5 20. c4 Rxd1 21. Rxd1 b6 22. b4 Ke6 23. a4 Rb8 24. Rh1 Rd8 25. Rh6 Bd4+ 26. Ke2 Rg8 27. f4 Bb2 28. Kf3 Ba3 29. b5 cxb5 30. cxb5 Kd5 31. Rh1 Bb2 32. Rb1 Bd4 33. Rc1 Rf8 34. Rc6 e5 35. g3 exf4 36. g4 Re8 1/2-1/2

[Event "Buenos Aires VII Najdorf op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "4"]
[White "Idigoras, Alejandro"]
[Black "Amura, Claudia Noemi"]
[Result "0-1"]
[ECO "A11"]
[BlackElo "2315"]
[PlyCount "121"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. 0-0 d5 6. cxd5 cxd5 7. Qa4+ Nbd7 8. d3 0-0 9. Qh4 e5 10. Bh6 Re8 11. Nc3 d4 12. Nb5 Qb6 13. a4 a6 14. Na3 Qxb2 15. Bd2 Qb6 16. Nc4 Qe6 17. Rab1 Bf8 18. Ng5 Qe7 19. Bb4 Qd8 20. Bd5 Bxb4 21. Rxb4 Qe7 22. Rfb1 Kg7 23. Bxf7 Rf8 24. Bd5 Nc5 25. Nxh7 Nxd5 26. Qxe7+ Nxe7 27. Nxf8 Kxf8 28. Nxe5 Ne6 29. e4 g5 30. f4 gxf4 31. gxf4 Kg7 32. Rf1 Nc6 33. Nxc6 bxc6 34. f5 a5 35. Rc4 Ba6 36. Rxc6 Nd8 37. Rg6+ Kf7 38. Rf3 Ke7 39. Rh3 Nf7 40. Rh7 Bxd3 41. Re6+ Kf8 42. Rf6 Bc4 43. Rh8+ Kg7 44. Rxa8 Kxf6 45. Rxa5 d3 46. Ra7 Ne5 47. Rb7 d2 48. Rb1 Bb3 49. Kf2 d1Q 50. Rxd1 Bxd1 51. a5 Bc2 52. Ke3 Nc4+ 53. Kf4 Nxa5 54. e5+ Ke7 55. h4 Nc6 56. h5 Nd4 57. e6 Nxf5 58. Ke5 Bb1 59. Kf4 Kxe6 60. h6 Nxh6 61. Kg5 0-1

[Event "Mar del Plata op 26th"]
[Site "Mar del Plata"]
[Date "1995.??.??"]
[Round "?"]
[White "Idigoras, Alejandro"]
[Black "Amura, Claudia Noemi"]
[Result "0-1"]
[ECO "A13"]
[BlackElo "2315"]
[PlyCount "62"]
[EventDate "1995.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 Nbd7 6. Be2 0-0 7. 0-0 c6 8. d3 a5 9. a3 b5 10. Nbd2 Ba6 11. Qc2 Qb8 12. cxb5 cxb5 13. Rac1 Bd6 14. e4 b4 15. exd5 exd5 16. a4 Rc8 17. Qb1 Re8 18. Rfe1 Ng4 19. g3 Nde5 20. Nxe5 Nxe5 21. Nf3 Bxd3 22. Qa1 Bxe2 23. Nxe5 Rxe5 24. Bxe5 Bxe5 25. Qb1 Bf3 26. Rc5 g6 27. Qd3 Be4 28. Qe3 Bc3 29. Re2 Qe5 30. Rb5 Qf5 31. Rb7 Bf3 0-1

[Event "Mar del Plata op 26th"]
[Site "Mar del Plata"]
[Date "1995.??.??"]
[Round "?"]
[White "Idigoras, Alejandro"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "2540"]
[PlyCount "47"]
[EventDate "1995.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nge2 Nge7 8. 0-0 0-0 9. Be3 Rb8 10. Qd2 Nd4 11. Nc1 b5 12. Nd1 exf4 13. gxf4 f5 14. Nc3 b4 15. Nd5 Nxd5 16. exd5 Nb5 17. Ne2 Bxb2 18. Rab1 Bg7 19. d4 Na3 20. dxc5 Nc4 21. Qd3 Nxe3 22. Qxe3 Re8 23. Qd3 Qa5 24. Rf2 0-1

[Event "Buenos Aires Clarin op"]
[Site "Buenos Aires"]
[Date "1995.??.??"]
[Round "1"]
[White "Idigoras, Alejandro"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "A36"]
[BlackElo "2530"]
[PlyCount "62"]
[EventDate "1995.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 046 Extra"]
[Source "ChessBase"]
[SourceDate "1995.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1995.07.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 e6 6. h4 h6 7. e4 d6 8. Nge2 Nge7 9. Be3 Nd4 10. Qd2 Bd7 11. f4 h5 12. 0-0 Bc6 13. Rab1 0-0 14. b4 b6 15. Nc1 f5 16. N3e2 Qd7 17. Nxd4 cxd4 18. Bf2 e5 19. fxe5 dxe5 20. Nb3 fxe4 21. dxe4 Qg4 22. Qd3 Rf7 23. b5 Bd7 24. Qd1 Qe6 25. Nd2 Raf8 26. Qe2 Nc8 27. Nf3 Bh6 28. Ng5 Bxg5 29. hxg5 Qe7 30. Qd2 Be6 31. Rbc1 Nd6 0-1

[Event "Mar del Plata op 26th"]
[Site "Mar del Plata"]
[Date "1995.??.??"]
[Round "?"]
[White "Mellano, Santiago"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "2265"]
[PlyCount "70"]
[EventDate "1995.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. f4 0-0 7. Nf3 e6 8. dxe6 fxe6 9. Bd3 Nc6 10. 0-0 Nd4 11. Ng5 e5 12. f5 h6 13. Nh3 gxf5 14. exf5 b5 15. b3 Bb7 16. Nf2 d5 17. cxd5 c4 18. bxc4 bxc4 19. Be4 Nxd5 20. Nxd5 Bxd5 21. Qg4 Bxe4 22. Nxe4 Nxf5 23. Ba3 Qd4+ 24. Kh1 Ne3 25. Qe6+ Kh7 26. Ng5+ hxg5 27. Qh3+ Kg6 28. Bxf8 Rxf8 29. Qe6+ Bf6 30. Rfe1 Ng4 31. h3 Nf2+ 32. Kh2 e4 33. g4 Qd3 34. Qf5+ Kg7 35. Qxf2 Be5+ 0-1

[Event "Mar del Plata op 26th"]
[Site "Mar del Plata"]
[Date "1995.??.??"]
[Round "?"]
[White "Szmetan, Jorge"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2435"]
[PlyCount "51"]
[EventDate "1995.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Bc5 8. 0-0 0-0 9. Be3 d6 10. Qe2 Bd7 11. Rad1 Rd8 12. Rd2 Bb4 13. Bg5 h6 14. Bxf6 gxf6 15. Qg4+ Kf8 16. Qh4 Bxc3 17. bxc3 Ke7 18. f4 Nc6 19. f5 e5 20. Ne6 Qb6+ 21. Kh1 Rg8 22. Rfd1 Na5 23. Nf4 exf4 24. e5 d5 25. Rxd5 Bb5 26. exf6+ 1-0

[Event "Buenos Aires GP"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "7"]
[White "Adla, Diego Gustavo"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2435"]
[PlyCount "89"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 g6 5. 0-0 Bg7 6. c4 0-0 7. Nc3 Qe8 8. d5 Na6 9. Rb1 c5 10. dxc6 bxc6 11. b4 Rb8 12. a3 c5 13. Nd5 Nxd5 14. Qxd5+ Kh8 15. b5 Bb7 16. Qd2 Be4 17. Rb3 d5 18. Bb2 e5 19. cxd5 c4 20. Re3 Rxb5 21. Qc1 Qb8 22. Ba1 Rc8 23. d6 Rb1 24. Qc3 Rb3 25. Qa5 Qb5 26. Qxb5 Rxb5 27. Ng5 Bxg2 28. Kxg2 Kg8 29. Ne6 Rd5 30. Nxg7 Kxg7 31. Bxe5+ Kf7 32. Rc1 g5 33. f4 Ke6 34. Kf3 Nb8 35. g4 Nd7 36. Bc3+ Kxd6 37. Bb4+ Kc6 38. Rxc4+ Kb7 39. Rxc8 Kxc8 40. Re8+ Kc7 41. fxg5 h6 42. h4 hxg5 43. hxg5 Ne5+ 44. Kg3 Nxg4 45. e4 1-0

[Event "Buenos Aires GP"]
[Site "Buenos Aires"]
[Date "1991.??.??"]
[Round "6"]
[White "Idigoras, Alejandro"]
[Black "Biaggi, Eduardo Gustavo"]
[Result "1-0"]
[ECO "C10"]
[BlackElo "2260"]
[PlyCount "91"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 Nge7 5. Nf3 b6 6. Bb5 Bb7 7. 0-0 a6 8. Be2 Qd7 9. Nb1 Nf5 10. c3 Be7 11. Re1 Na5 12. Nbd2 c5 13. Nf1 0-0-0 14. Bd3 g6 15. g4 Nh4 16. Bh6 Nxf3+ 17. Qxf3 c4 18. Bc2 Bf8 19. Bg5 Be7 20. Bf6 Bxf6 21. exf6 Nc6 22. Nd2 Rhe8 23. Qg3 h5 24. Nf3 hxg4 25. Ne5 Nxe5 26. Rxe5 Rh8 27. Qxg4 Rh6 28. Rae1 Rdh8 29. R1e3 Rxh2 30. Bxg6 Rh1+ 31. Kg2 R1h4 32. Qg3 fxg6 33. Rxe6 Re4 34. Re7 Rg4 35. Rxd7 Rxg3+ 36. Kxg3 Kxd7 37. Re7+ Kc6 38. f7 Rf8 39. Kf4 Kd6 40. Rxb7 Ke6 41. Kg5 Rxf7 42. Rxb6+ Ke7 43. Rb7+ Ke6 44. Rxf7 Kxf7 45. f4 a5 46. b3 1-0

[Event "ARG-ch57"]
[Site "Buenos Aires"]
[Date "1982.??.??"]
[Round "?"]
[White "Idigoras, Alejandro"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "62"]
[EventDate "1982.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Rb8 8. f4 Nge7 9. Nf3 b5 10. d4 b4 11. Ne2 Na5 12. b3 0-0 13. Rd1 c4 14. 0-0 Qc7 15. g4 f5 16. gxf5 exf5 17. d5 c3 18. Qe1 fxe4 19. Ng5 h6 20. Ne6 Bxe6 21. dxe6 d5 22. f5 Nxf5 23. Bf4 Qc5+ 24. Qf2 Qxf2+ 25. Rxf2 Rb5 26. Bh3 Nc6 27. Ng3 Bd4 28. Nxf5 gxf5 29. Bxh6 Rf6 30. Rxd4 Rg6+ 31. Kh1 Nxd4 0-1

[Event "ARG-ch57"]
[Site "Buenos Aires"]
[Date "1982.??.??"]
[Round "?"]
[White "Idigoras, Alejandro"]
[Black "Szmetan, Jorge"]
[Result "0-1"]
[ECO "B05"]
[BlackElo "2400"]
[PlyCount "50"]
[EventDate "1982.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 dxe5 7. dxe5 e6 8. Bd2 c6 9. Nc3 Nd7 10. Qe4 Bb4 11. Bd3 Qa5 12. a3 Nc5 13. Qd4 Nxd3+ 14. cxd3 0-0-0 15. Ne4 Bxd2+ 16. Nxd2 Ne7 17. Qe4 Ng6 18. d4 Rd5 19. 0-0-0 Rhd8 20. Nc4 Qa4 21. Qc2 Qxc2+ 22. Kxc2 Kc7 23. b4 Rxd4 24. Rxd4 Rxd4 25. Kc3 Rd5 0-1

[Event "Los Polvorines op"]
[Site "Los Polvorines"]
[Date "1980.??.??"]
[Round "?"]
[White "Idigoras, Alejandro"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "43"]
[EventDate "1980.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e6 6. c3 a6 7. Ba4 b5 8. Bc2 Nge7 9. d4 cxd4 10. cxd4 Nb4 11. Bb3 d5 12. e5 0-0 13. Bg5 h6 14. Bf6 Nbc6 15. g4 Qb6 16. Nc3 Bd7 17. Qd2 Kh7 18. Qf4 Ng8 19. Re3 Qb8 20. g5 Nce7 21. Bxg7 hxg5 22. Bxf8 1-0

[Event "Los Polvorines op"]
[Site "Los Polvorines"]
[Date "1980.??.??"]
[Round "?"]
[White "Paglilla, Carlos"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2300"]
[PlyCount "54"]
[EventDate "1980.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Ne5 11. Bb3 Rc8 12. h4 h5 13. Nde2 b5 14. Bxa7 Nc4 15. Bxc4 Rxc4 16. Bd4 Qa8 17. Kb1 Rfc8 18. Rc1 e5 19. Be3 b4 20. Nd5 Nxd5 21. Qxd5 Qxd5 22. exd5 Bf5 23. Ng3 Bxc2+ 24. Ka1 b3 25. Ne4 Ra8 26. a3 f5 27. Rxc2 Rxc2 0-1

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.25"]
[Round "9"]
[White "Idigoras, Alejandro"]
[Black "Soppe, Guillermo"]
[Result "1/2-1/2"]
[ECO "A29"]
[BlackElo "1920"]
[PlyCount "108"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Nc6 6. 0-0 Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. Nxd4 exd4 10. e4 c6 11. dxc6 bxc6 12. d3 a5 13. f4 Ba6 14. Rf2 Qb6 15. f5 Qb5 16. Bf1 d5 17. Bf4 dxe4 18. dxe4 d3 19. Qf3 Bc5 20. Be3 Rad8 21. Rd1 Bxe3 22. Qxe3 Qa4 23. Re1 f6 24. Rd2 Qd4 25. Qxd4 Rxd4 26. Kf2 c5 27. b3 a4 28. Rc1 Re5 29. Rc3 Rexe4 30. Bxd3 Re5 31. Bc4+ Bxc4 32. Rxd4 cxd4 33. Rxc4 Rxf5+ 34. Ke2 axb3 35. axb3 Rh5 36. h4 Re5+ 37. Kf2 Rf5+ 38. Kg2 Rd5 39. Rc2 Rb5 40. Rc4 d3 41. b4 Rd5 42. Rc1 Kf7 43. Rd1 Ke6 44. Kf3 Kf5 45. Rd2 g5 46. hxg5 fxg5 47. b5 g4+ 48. Ke3 Rxb5 49. Rxd3 Kg5 50. Kf2 h5 51. Ra3 h4 52. gxh4+ Kxh4 53. Kg2 Rb2+ 54. Kg1 g3 1/2-1/2

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.24"]
[Round "8"]
[White "Rodriguez, Luis Maria"]
[Black "Idigoras, Alejandro"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "57"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nc6 5. d5 Nd4 6. Be3 e5 7. fxe5 dxe5 8. Bc4 Ne7 9. Qd2 0-0 10. Nf3 c5 11. 0-0 Bd7 12. Bg5 Be8 13. a4 Kh8 14. Rad1 f6 15. Be3 Nc8 16. Nb5 a6 17. Nbxd4 cxd4 18. Bh6 Nd6 19. Nxe5 Qe7 20. Nxg6+ Bxg6 21. Bxg7+ Kxg7 22. Bd3 Rac8 23. Qb4 Qe5 24. Rde1 Rf7 25. a5 Nxe4 26. Bxe4 Bxe4 27. d6 Rxc2 28. Rf2 Rxf2 29. Kxf2 0-1

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.23"]
[Round "7"]
[White "Zukerfeld, Andres"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "79"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Ne5 11. Bb3 h5 12. 0-0-0 Rc8 13. g4 Bxg4 14. fxg4 Nfxg4 15. Bg5 Nc4 16. Qe2 b5 17. Nd5 Re8 18. Kb1 Qd7 19. Rhf1 f6 20. Bc1 e6 21. Ne3 Ncxe3 22. Bxe3 a6 23. Bc1 Kh8 24. Nf3 a5 25. a3 Rb8 26. Qd2 a4 27. Ba2 Rb6 28. c3 Qb7 29. Qd3 e5 30. Bd5 Qe7 31. Ne1 Rf8 32. Nc2 Qd7 33. Ne3 Nh6 34. Rg1 Kh7 35. Rg2 Ng8 36. Rdg1 Qe8 37. Nf5 Bh8 38. Qe3 Rb8 39. Bxg8+ Kxg8 40. Rxg6+ 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.22"]
[Round "6"]
[White "Idigoras, Alejandro"]
[Black "Arias, Ricardo F"]
[Result "1-0"]
[ECO "A17"]
[PlyCount "61"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 e6 3. e4 Bb7 4. Nf3 Nf6 5. Bd3 d6 6. 0-0 Be7 7. Bc2 c5 8. d4 cxd4 9. Nxd4 Nc6 10. b3 a6 11. Bb2 Nxd4 12. Qxd4 Qc7 13. Rac1 0-0 14. Bb1 Rab8 15. Rfd1 Bc6 16. Nd5 Bxd5 17. cxd5 Qd7 18. dxe6 Qxe6 19. Rc6 Nh5 20. e5 Rfd8 21. Qe4 g6 22. exd6 Qd7 23. Rc7 Qxc7 24. Qd4 Bf6 25. dxc7 Bxd4 26. Rxd4 Re8 27. cxb8Q Rxb8 28. Bd3 b5 29. g3 Ng7 30. Rd6 Ne6 31. Be4 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.21"]
[Round "5"]
[White "Idigoras, Alejandro"]
[Black "Gorisnic, Eduardo"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "99"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. f4 b6 2. e4 Bb7 3. d3 g6 4. Be2 Bg7 5. Bf3 e6 6. Ne2 Ne7 7. Nbc3 d5 8. Ng3 Nbc6 9. 0-0 Nd4 10. Kh1 0-0 11. Bd2 Qd7 12. Rb1 c5 13. e5 b5 14. Nce2 a5 15. Ng1 b4 16. N3e2 h5 17. Nxd4 cxd4 18. Nh3 Nf5 19. Ng5 Bh6 20. Qe1 Rac8 21. Bd1 Qc6 22. Ra1 Ra8 23. Rf3 Kg7 24. Rh3 Rh8 25. Qg1 Qc7 26. Qe1 Bc6 27. Qf2 Rab8 28. Rf3 Rhc8 29. Kg1 Ba4 30. b3 Bc6 31. g3 Kg8 32. Rc1 Bf8 33. Be2 Ne3 34. Rxe3 dxe3 35. Bxe3 Bb5 36. g4 Bc5 37. d4 Bxe2 38. Qxe2 Ba7 39. gxh5 Re8 40. c3 bxc3 41. Qd3 Kg7 42. Rxc3 Qb6 43. h6+ Kg8 44. h7+ Kg7 45. Bf2 Rbc8 46. Qh3 Rxc3 47. Qxc3 Qb4 48. Qc7 Qe7 49. Qxa5 Rc8 50. Qe1 0-1

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.20"]
[Round "4"]
[White "Barbero, Gerardo F"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "125"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 d3 5. Bxd3 Nc6 6. h3 Nf6 7. 0-0 e6 8. c4 Be7 9. Nc3 0-0 10. Be3 b6 11. Qe2 Bb7 12. Rfd1 Rc8 13. Rac1 Qc7 14. Nd5 exd5 15. cxd5 Qb8 16. dxc6 Rxc6 17. Rxc6 Bxc6 18. Nd4 Bxe4 19. Bxe4 Nxe4 20. Bc1 Qb7 21. Nf5 Re8 22. f3 Nf6 23. Bg5 Qd7 24. Qd3 d5 25. Kh1 Bd8 26. Ne3 Nh5 27. Bxd8 Qxd8 28. Qxd5 Qh4 29. Nf5 Ng3+ 30. Nxg3 Qxg3 31. Qe4 Qb8 32. Qd3 h6 33. Kg1 Qg3 34. Qd2 Re6 35. Qf2 Qxf2+ 36. Kxf2 g6 37. Rd7 a6 38. a3 Kg7 39. Ra7 b5 40. b3 Kf6 41. a4 bxa4 42. bxa4 Rc6 43. Ke3 Rd6 44. a5 h5 45. h4 Kg7 46. Ke4 Kf6 47. Rb7 Re6+ 48. Kf4 Kg7 49. Rb6 Re2 50. g3 Kf8 51. Rxa6 Ra2 52. Ra8+ Kg7 53. a6 Ra4+ 54. Ke5 Ra3 55. Ke4 Ra4+ 56. Kd5 Ra3 57. f4 Rxg3 58. Rc8 Ra3 59. Rc6 Ra4 60. Kc5 Rxf4 61. Kb6 Rf1 62. a7 Rb1+ 63. Ka6 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.18"]
[Round "3"]
[White "Ibar, Marcelo Rodolfo"]
[Black "Idigoras, Alejandro"]
[Result "1-0"]
[ECO "D97"]
[PlyCount "91"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 c6 8. Be2 b5 9. Qd3 b4 10. Na4 Ba6 11. Qc2 Bxe2 12. Qxe2 Qa5 13. b3 Qb5 14. Qxb5 cxb5 15. Nc5 Nbd7 16. Nxd7 Nxd7 17. Bd2 a5 18. Rc1 Rfc8 19. Ke2 Nf6 20. Rxc8+ Rxc8 21. Kd3 Ng4 22. Rf1 Rd8 23. h3 Ne5+ 24. Nxe5 Bxe5 25. d5 e6 26. f4 Bf6 27. Rc1 exd5 28. e5 Be7 29. Rc7 Kf8 30. Rb7 a4 31. Rxb5 axb3 32. axb3 Bh4 33. Bxb4+ Kg7 34. Bd6 Bg3 35. Rb8 Rxb8 36. Bxb8 Bxf4 37. Kd4 Kf8 38. Kxd5 Ke7 39. Kc6 Ke6 40. b4 f5 41. b5 Be3 42. b6 g5 43. b7 g4 44. hxg4 fxg4 45. Bd6 Ba7 46. Kb5 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.17"]
[Round "2"]
[White "Idigoras, Alejandro"]
[Black "Lafuente, Luis"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "53"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 Be6 7. d3 Qd7 8. 0-0 Nc6 9. Nd5 Ng8 10. Be3 h5 11. d4 exd4 12. Nxd4 Nge7 13. Nxe6 fxe6 14. Bh3 Nd8 15. Bg5 Nec6 16. Nf6+ Bxf6 17. Bxf6 Rf8 18. Bc3 Nf7 19. f4 0-0-0 20. b4 Rde8 21. Qa4 Kb8 22. Bd4 Qe7 23. Be3 e5 24. fxe5 dxe5 25. Bc5 Nd6 26. b5 Na5 27. Qxa5 1-0

[Event "ARG U20-ch"]
[Site "Pehuajo"]
[Date "1978.02.16"]
[Round "1"]
[White "Idigoras, Alejandro"]
[Black "Schwanek, Carlos"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "75"]
[EventDate "1978.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 e5 5. Nc3 Nd7 6. 0-0 Ne7 7. d4 0-0 8. e4 h6 9. Be3 f5 10. dxe5 dxe5 11. Qd2 Kh7 12. Rad1 c6 13. Qc2 Qc7 14. exf5 Nxf5 15. Rfe1 Nxe3 16. Rxe3 Nb6 17. Nh4 Bf5 18. Nxf5 gxf5 19. c5 Nd7 20. Bh3 Kh8 21. Bxf5 Rad8 22. b4 Nf6 23. g4 Rd4 24. Qe2 Rxb4 25. Rd6 Rd4 26. Re6 b6 27. Rg3 Nh7 28. Bxh7 Kxh7 29. g5 Rh4 30. gxh6 Rxh6 31. Qe4+ Kh8 32. Rxh6+ Bxh6 33. Rg6 Rg8 34. Kf1 Rxg6 35. Qxg6 Bg7 36. Ne4 bxc5 37. Ng5 Qe7 38. Qh7# 1-0

