[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Acha, Jaime"]
[Black "Aguilar, Julio"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "59"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 h6 6. Bxc6 dxc6 7. Nxe5 Bc5 8. Nc3 Qd4 9. Be3 Qxe5 10. d4 Bxd4 11. Bxd4 Qe6 12. Qd3 0-0 13. 0-0 Nd7 14. Qg3 f6 15. Rae1 Qd6 16. Qe3 c5 17. Rd1 cxd4 18. Rxd4 Qe7 19. Nd5 Qc5 20. Rfd1 Ne5 21. c4 Bg4 22. R1d2 Nxc4 23. Qc3 b6 24. Qxc4 Qxc4 25. Rxc4 Rac8 26. Ne7+ Kh8 27. f4 Rfd8 28. Rxd8+ Rxd8 29. Rxc7 Rd4 30. Nc8 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Acha, Jaime"]
[Black "Pinochet, Arturo"]
[Result "1/2-1/2"]
[ECO "D40"]
[PlyCount "110"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Bd2 Nf6 4. Nc3 c5 5. e3 Nc6 6. Nf3 Be7 7. Bd3 dxc4 8. Bxc4 cxd4 9. exd4 Nxd4 10. Ne5 a6 11. a3 Qc7 12. Bf4 Qb6 13. 0-0 Nf5 14. Qa4+ Kf8 15. Bb5 Qd4 16. Qxd4 Nxd4 17. Bc4 b5 18. Ba2 Bb7 19. Rad1 Rd8 20. Kh1 g6 21. Bh6+ Ke8 22. h3 Ng8 23. Bg7 Bf6 24. Bxh8 Bxh8 25. f4 Nf6 26. Rd2 Ne4 27. Nxe4 Bxe4 28. Rfd1 Bxe5 29. fxe5 Nc6 30. Rxd8+ Nxd8 31. Bb1 Bxb1 32. Rxb1 Nc6 33. Re1 Ke7 34. g4 f6 35. exf6+ Kxf6 36. Kg2 e5 37. h4 h5 38. g5+ Kf5 39. Kh3 Nd4 40. Rf1+ Ke4 41. Rf6 Kd3 42. Rxg6 e4 43. Rg8 e3 44. Re8 e2 45. g6 Nf5 46. Kg2 Nxh4+ 47. Kf2 Nxg6 48. Rxe2 Nf4 49. Re3+ Kc2 50. Kf3 Nd5 51. Re6 Kxb2 52. Rxa6 Kb3 53. Kg3 Nc3 54. Kh4 Nb1 55. Rb6 Nxa3 1/2-1/2

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Gonzalez, Erasmo"]
[Black "Acha, Jaime"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nge7 5. Nc3 0-0 6. a3 a5 7. Bg5 Qe8 8. Nb5 Bb6 9. Be3 Qd8 10. Bxb6 cxb6 11. Nd6 Ng6 12. Qd2 Qf6 13. Nxf7 Rxf7 14. Bxf7+ Qxf7 15. 0-0 Nf4 16. g3 Nh3+ 17. Kg2 d6 18. Nh4 Qh5 19. Rae1 Be6 20. Qe2 Nf4+ 21. gxf4 Qxh4 22. fxe5 Bh3+ 23. Kh1 Bxf1 24. Rxf1 Nxe5 25. Rg1 Rf8 26. Rg3 Qf4 27. d4 Nf3 28. Kg2 Nh4+ 29. Kf1 Qc1+ 30. Qe1 Qxc2 31. Re3 Qxb2 32. d5 Nf3 33. Qe2 Qc1+ 0-1

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "7"]
[White "Acha, Jaime"]
[Black "Covini, Cesar A"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "61"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 dxe4 9. dxe4 e5 10. c3 h6 11. Nc4 Qc7 12. Ne3 Bd6 13. Nd5 Nxd5 14. exd5 Ne7 15. Nd2 Bf5 16. Nc4 Rae8 17. f4 Nc8 18. fxe5 Bxe5 19. Rxe5 Rxe5 20. d6 Nxd6 21. Nxe5 c4 22. Bf4 Qb6+ 23. Qd4 Qxb2 24. Rf1 Nb5 25. Qxc4 Be6 26. Qb4 Qxb4 27. cxb4 b6 28. a3 Nxa3 29. Ra1 Nc2 30. Rxa7 Nxb4 31. Nc6 1-0

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "10"]
[White "Acha, Jaime"]
[Black "Fabrega, Enrique"]
[Result "1/2-1/2"]
[ECO "C00"]
[BlackElo "2260"]
[PlyCount "55"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 Qc7 9. e5 Nd7 10. Qe2 f6 11. exf6 Nxf6 12. c3 Bd6 13. d4 cxd4 14. Nxd4 Nxd4 15. cxd4 Bd7 16. Nf3 Qb6 17. Be3 Bb5 18. Qd1 Ne4 19. Nd2 Nf6 20. Nf3 Be8 21. Qb3 Qxb3 22. axb3 h6 23. Ne5 Bb5 24. Ng6 Rfe8 25. Bf4 Bb4 26. Rec1 Kh7 27. Ne5 Re7 28. h4 1/2-1/2

[Event "Buenos Aires GP I"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "5"]
[White "Acha, Jaime"]
[Black "Garzon, Enrique"]
[Result "1/2-1/2"]
[ECO "E27"]
[PlyCount "112"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 d6 6. f3 0-0 7. e4 Nbd7 8. Bd3 e5 9. Ne2 Qe7 10. 0-0 b6 11. Ng3 Bb7 12. Bg5 Rfe8 13. Nf5 Qf8 14. Qd2 Kh8 15. Rae1 Ng8 16. f4 f6 17. fxe5 dxe5 18. Bh4 Ne7 19. Nxe7 Qxe7 20. g4 Rf8 21. a4 Qd6 22. Bg3 Ba6 23. h4 Qe6 24. Qe2 Qe7 25. Qd2 Rad8 26. g5 fxg5 27. hxg5 Qa3 28. Rxf8+ Rxf8 29. dxe5 Qc5+ 30. Qe3 Qxe3+ 31. Rxe3 Re8 32. e6 Rxe6 33. e5 g6 34. Bf1 Nc5 35. Bh3 Re7 36. e6 Bxc4 37. Be5+ Kg8 38. Bf6 Re8 39. e7 Kf7 40. a5 Be6 41. axb6 axb6 42. Bxe6+ Nxe6 43. Rh3 Kg8 44. Rd3 Nc5 45. Rd8 Kf7 46. Kf2 Nb7 47. Rd7 Nd6 48. Kf3 Nc8 49. Rxc7 Nxe7 50. Rb7 Kf8 51. Bd4 Kf7 52. Bxb6 Rc8 53. Rc7 Rxc7 54. Bxc7 Ke6 55. Ke4 Nf5 56. Be5 h6 1/2-1/2

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "5"]
[White "Acha, Jaime"]
[Black "Ippoliti, Horacio Alberto"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "79"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. 0-0 0-0 7. Rb1 e5 8. d3 Nc6 9. b4 h6 10. b5 Ne7 11. a4 g5 12. Nd2 Rb8 13. Qc2 Be6 14. Ba3 Nd7 15. a5 Nc5 16. Nb3 Nxb3 17. Qxb3 f4 18. Nd5 Nf5 19. Bh3 Kh8 20. Bxf5 Rxf5 21. b6 axb6 22. axb6 c6 23. Nc7 Bd7 24. Bxd6 f3 25. e4 Rf4 26. gxf4 gxf4 27. Kh1 Bh3 28. Rg1 Qf6 29. c5 Rg8 30. Ra1 Bg2+ 31. Rxg2 fxg2+ 32. Kg1 f3 33. Qe6 Kh7 34. Qxf6 Bxf6 35. Nb5 Kg6 36. Na3 Kf7 37. Nc4 Ke6 38. Nd2 Bd8 39. Nxf3 Bxb6 40. Rb1 1-0

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "12"]
[White "Acha, Jaime"]
[Black "Juarez, Alberto"]
[Result "1/2-1/2"]
[ECO "C44"]
[BlackElo "2265"]
[PlyCount "106"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 Bc5 5. 0-0 d6 6. c3 a6 7. b4 Ba7 8. Nbd2 0-0 9. Qc2 Re8 10. a3 d5 11. Nb3 h6 12. exd5 Qxd5 13. c4 Qd8 14. Bb2 Bf5 15. b5 Nd4 16. Nfxd4 Bxd4 17. Bxd4 exd4 18. Bf3 axb5 19. cxb5 Qd6 20. Nc5 Ng4 21. Bxg4 Bxg4 22. h3 Bf5 23. g4 Bc8 24. Ne4 Qe7 25. Rfe1 Kh8 26. Qc5 b6 27. Qxe7 Rxe7 28. Rec1 Be6 29. a4 g6 30. Rc2 Bb3 31. Rb2 Rxa4 32. Rxa4 Bxa4 33. Rb4 Bc2 34. Rxd4 Bxd3 35. Rxd3 Rxe4 36. Rd7 Kg7 37. Rxc7 Re5 38. Rb7 Rxb5 39. Kg2 g5 40. Kg3 Rb1 41. h4 gxh4+ 42. Kxh4 Kg6 43. Kg3 b5 44. Rb6+ Kg7 45. Kg2 b4 46. Kg3 b3 47. Kg2 b2 48. Kf3 f6 49. Rb7+ Kg6 50. Kf4 h5 51. gxh5+ Kxh5 52. Kf5 Kh6 53. Kxf6 Ra1 1/2-1/2

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "8"]
[White "Acha, Jaime"]
[Black "Justo, Damian"]
[Result "1/2-1/2"]
[ECO "A08"]
[BlackElo "2265"]
[PlyCount "66"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 Nge7 6. Ngf3 g6 7. 0-0 Bg7 8. Re1 b6 9. exd5 exd5 10. d4 c4 11. Nxc4 dxc4 12. d5 Bb7 13. d6 Qd7 14. Bg5 f6 15. Bf4 0-0-0 16. dxe7 Qxd1 17. Raxd1 Rxd1 18. Rxd1 Nxe7 19. Rd4 b5 20. a4 Nf5 21. Rd1 a6 22. g4 Ne7 23. Re1 Nd5 24. Bg3 Kd7 25. axb5 axb5 26. Nd4 b4 27. Ne6 Bf8 28. Nf4 Nxf4 29. Bxb7 Bd6 30. Ba6 c3 31. Bb5+ Kc7 32. bxc3 bxc3 33. Re4 g5 1/2-1/2

[Event "Buenos Aires GP I"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "1"]
[White "Acha, Jaime"]
[Black "Levy, David Neil Lawrence"]
[Result "1-0"]
[ECO "A10"]
[BlackElo "2310"]
[PlyCount "69"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 b6 3. d4 Bb7 4. e4 g6 5. Be3 Bg7 6. f3 e6 7. Bd3 Ne7 8. Nge2 Nd7 9. Qd2 c5 10. d5 e5 11. Bh6 Bf6 12. g4 Bh4+ 13. Kd1 a6 14. Bg7 Rg8 15. Qh6 Bf6 16. Bxf6 Nxf6 17. Ng3 Qc7 18. g5 Nd7 19. Qxh7 0-0-0 20. Qxf7 Rde8 21. Qe6 Rgf8 22. Ke2 Nf5 23. exf5 Rxe6 24. fxe6 Nb8 25. Bxg6 Qg7 26. Nf5 Rxf5 27. Bxf5 Qxg5 28. e7+ Qxf5 29. e8Q+ Kc7 30. Qe7+ Nd7 31. Ne4 b5 32. Qxd6+ Kd8 33. Rag1 Qf7 34. Ng5 Qf5 35. Ne6+ 1-0

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "1"]
[White "Acha, Jaime"]
[Black "Lida Garcia, Fernando"]
[Result "1/2-1/2"]
[ECO "A90"]
[BlackElo "2270"]
[PlyCount "77"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 f5 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. d4 Bd6 7. 0-0 0-0 8. Bf4 Ne4 9. Bxd6 Nxd6 10. c5 Nf7 11. e3 Nd7 12. h4 e5 13. Nxe5 Nfxe5 14. dxe5 Nxe5 15. Ne2 Be6 16. Nd4 Qf6 17. b4 Bd7 18. b5 Kh8 19. bxc6 Bxc6 20. Nf3 Bb5 21. Nxe5 Qxe5 22. Re1 Bc4 23. Qd4 Qf6 24. Rab1 Qf7 25. a3 Rac8 26. Rb4 h6 27. Bf1 Bxf1 28. Rxf1 Rc7 29. Rfb1 Rd8 30. Ra4 a6 31. Rb6 Kh7 32. Rab4 Rdd7 33. Rd6 Rxd6 34. cxd6 Rc1+ 35. Kg2 b5 36. Qe5 Rc4 37. Qe7 Kg8 38. Rxc4 dxc4 39. Qc7 1/2-1/2

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "3"]
[White "Acha, Jaime"]
[Black "Pierrot, Juan Facundo"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "34"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 c5 3. e4 d6 4. d3 g6 5. Nf3 Nc6 6. 0-0 Bg7 7. c3 0-0 8. Re1 e5 9. d4 exd4 10. cxd4 Bg4 11. dxc5 dxc5 12. Qa4 Re8 13. Nc3 Nd4 14. Nh4 b5 15. Nxb5 Bd7 16. e5 Bxb5 17. Qd1 Nd5 0-1

[Event "Buenos Aires GP I"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "7"]
[White "Acha, Jaime"]
[Black "Vilches, Juan Jose"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "53"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. Be2 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 Bb6 7. b4 h6 8. a4 a6 9. Na3 Be6 10. b5 Ne7 11. Be3 0-0 12. Qb1 Bxe3 13. fxe3 Ng4 14. Nc2 f5 15. Nh4 fxe4 16. dxe4 Rxf1+ 17. Qxf1 Qd7 18. Nf5 Nxf5 19. Bxg4 Ne7 20. Bxe6+ Qxe6 21. bxa6 Rxa6 22. Nb4 Ra8 23. Qb5 Rb8 24. a5 Nc8 25. Nc6 Ra8 26. Qxb7 Nb6 27. Rf1 1-0

[Event "Buenos Aires GP I"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "2"]
[White "Bertaccini, Daniel"]
[Black "Acha, Jaime"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2305"]
[PlyCount "95"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 d6 6. d4 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 exd4 10. Nxd4 Re8 11. Be3 Nc5 12. Qc2 a5 13. Rad1 Qe7 14. Rfe1 Nfd7 15. b3 Ne6 16. Nde2 Ndc5 17. f4 f5 18. exf5 gxf5 19. Bf2 Qf8 20. Qd2 Rd8 21. g4 fxg4 22. hxg4 Bf6 23. Be3 Qg7 24. g5 Be7 25. Ng3 Rf8 26. Nce4 Nxe4 27. Bxe4 c5 28. Nf5 Rxf5 29. Bxf5 Nxg5 30. Qd5+ Nf7+ 31. Kf1 Bxf5 32. Qxf5 Kh8 33. Bf2 Nh6 34. Qe6 Rg8 35. Qxe7 Qg2+ 36. Ke2 Ng4 37. Rf1 Nh2 38. Qe3 Nxf1 39. Rxf1 Qg7 40. Rg1 Qb2+ 41. Kf3 Rxg1 42. Bxg1 Qxa2 43. Bf2 Qc2 44. Be1 Qg6 45. Qe4 Qh5+ 46. Kg3 Qf7 47. Bc3+ Kg8 48. Qd5 1-0

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "4"]
[White "Biaggi, Eduardo Gustavo"]
[Black "Acha, Jaime"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2265"]
[PlyCount "81"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 c5 7. c3 cxd4 8. exd4 Nc6 9. 0-0 Bf5 10. Qe2 Bxd3 11. Qxd3 h6 12. Bf4 Nh5 13. Be5 Nxe5 14. dxe5 Nf4 15. Qe3 g5 16. Rfe1 Qd7 17. h3 f5 18. Nb3 e6 19. Rad1 b5 20. Kh2 Ng6 21. Nc5 Qf7 22. Nd3 g4 23. hxg4 fxg4 24. Nd4 Ne7 25. Kg1 Nf5 26. Nxf5 Qxf5 27. Rf1 h5 28. Qg3 Rac8 29. f3 Qg6 30. fxg4 Qxg4 31. Rxf8+ Rxf8 32. Qxg4 hxg4 33. Kh2 Rf5 34. Re1 Kf7 35. Kg3 Rg5 36. Rf1+ Rf5 37. Re1 Rg5 38. Rf1+ Rf5 39. Rf4 Kg6 40. Rxg4+ Rg5 41. Nf4+ 1-0

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "11"]
[White "Deker, Gustavo"]
[Black "Acha, Jaime"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2250"]
[PlyCount "80"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. 0-0 Nf6 6. Nc3 0-0 7. d3 d5 8. e5 Ne8 9. Bxc6 bxc6 10. Na4 c4 11. Be3 Nc7 12. Nd4 Qe8 13. Nf3 Bg4 14. b3 f6 15. d4 fxe5 16. fxe5 Ne6 17. bxc4 dxc4 18. Qe2 Kh8 19. Qxc4 Nf4 20. Bxf4 Rxf4 21. Nc5 Bxf3 22. Rxf3 Bxe5 23. Rxf4 Bxf4 24. Rf1 Be3+ 25. Kh1 Rb8 26. Ne6 Qd7 27. h3 Qd5 28. Qc3 Bh6 29. Re1 Kg8 30. Qg3 Qd6 31. Re5 Rb1+ 32. Kh2 Bg7 33. Nxg7 Kxg7 34. Qh4 e6 35. Qe4 Rd1 36. c3 Rd2 37. Qb1 c5 38. Qb3 Kf6 39. Qc4 cxd4 40. cxd4 Rxd4 0-1

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "6"]
[White "Dolezal, Cristian"]
[Black "Acha, Jaime"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "137"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Rb8 13. Bd3 Be6 14. Ndb4 Nxb4 15. Nxb4 Qc8 16. 0-0 a5 17. Nc2 Bg5 18. Qe2 Qc5 19. Rfd1 Rfe8 20. Ne1 g6 21. Bc2 d5 22. Bb3 dxe4 23. Bxe6 Rxe6 24. Qxe4 Qc4 25. Qd5 Ree8 26. Nf3 Bf6 27. Rab1 Qg4 28. h3 Qf4 29. Qd2 Qf5 30. Qd7 Red8 31. Qxf5 gxf5 32. Kf1 b4 33. Rxd8+ Rxd8 34. cxb4 axb4 35. a4 e4 36. Ng1 b3 37. Ne2 Rd2 38. Ke1 Rxb2 39. Rxb2 Bxb2 40. Kd2 Ba3 41. Kc3 b2 42. Kc2 Bc5 43. f3 Kg7 44. Kxb2 Kf6 45. Kc3 exf3 46. gxf3 Kg5 47. Kc4 Ba7 48. a5 Kh4 49. Nd4 Kxh3 50. Nc6 h5 51. Nxa7 h4 52. Nb5 Kg3 53. Nd4 h3 54. a6 h2 55. a7 h1Q 56. a8Q Qf1+ 57. Kd5 Qb1 58. Ke5 Qb2 59. Qd8 Kf2 60. Qh4+ Kg2 61. Kxf5 Qb1+ 62. Qe4 Qb6 63. Kg4 f5+ 64. Nxf5 Qg6+ 65. Kf4 Qf6 66. Qe2+ Kh3 67. Qf1+ Kh2 68. Qf2+ Kh1 69. Qh4+ 1-0

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "2"]
[White "Escobar, Telmo Carlos"]
[Black "Acha, Jaime"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2215"]
[PlyCount "101"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 Be6 9. Be2 Nd4 10. 0-0 Nxe2+ 11. Qxe2 Rc8 12. Be3 Nf6 13. f3 0-0 14. Rac1 Nh5 15. Rfd1 Bg5 16. Nd5 Bxd5 17. cxd5 Rxc1 18. Rxc1 Bf4 19. Qd2 f5 20. Bxf4 Nxf4 21. g3 Nh3+ 22. Kg2 fxe4 23. Kxh3 exf3 24. g4 h5 25. Nc4 hxg4+ 26. Kg3 b5 27. Ne3 Qg5 28. Nf1 Qh5 29. Kf2 Qh4+ 30. Kg1 f2+ 31. Kh1 Qh3 32. Qe2 Rf3 33. a4 bxa4 34. Qxa6 e4 35. Qxd6 g3 36. Qe6+ Qxe6 37. dxe6 gxh2 38. Rc8+ Rf8 39. Rc4 Rf4 40. Rxa4 Kf8 41. Kxh2 Ke7 42. Ra7+ Kxe6 43. Rxg7 Kd5 44. Kg2 Kc4 45. Rg3 Kb4 46. Nd2 f1Q+ 47. Nxf1 Rf3 48. Rg4 Rd3 49. Rxe4+ Kb3 50. Re2 Rd1 51. Kf2 1-0

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "13"]
[White "Menendez, Daniel"]
[Black "Acha, Jaime"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2255"]
[PlyCount "19"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 1/2-1/2

[Event "Buenos Aires GP I"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "4"]
[White "Quinteros, Diego"]
[Black "Acha, Jaime"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "93"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Qa4 Bd7 13. Nxb4 Nd4 14. Qd1 Qa5 15. Qd2 Rb8 16. Nd3 Bd8 17. Qxa5 Bxa5+ 18. Kd1 Bc6 19. f3 f5 20. exf5 Nxf3 21. Be2 Nd4 22. b3 0-0 23. Nc2 Bc3 24. Rb1 Nxf5 25. Rg1 Rbd8 26. g4 Nh4 27. Ne3 Bd4 28. Rg3 Be4 29. Kd2 d5 30. Rf1 Rxf1 31. Bxf1 Nf3+ 32. Ke2 Bxd3+ 33. Kxd3 e4+ 34. Ke2 Bxe3 35. Kxe3 d4+ 36. Ke2 d3+ 37. Kd1 d2 38. Bg2 Nxh2 39. Bxe4 Rd4 40. Bxh7+ Kf7 41. Bd3 Nxg4 42. Kxd2 Ne5 43. Kc3 Rh4 44. b4 Rh1 45. c5 Nxd3 46. Kxd3 Ra1 47. Rg2 1-0

[Event "Buenos Aires GP I"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "6"]
[White "Rubio, Sebastian"]
[Black "Acha, Jaime"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "56"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. Qh5 f4 13. 0-0 Rg8 14. Be2 Rg6 15. c4 Rh6 16. Qf3 Nd4 17. Qd3 Qh4 18. h3 Nxe2+ 19. Qxe2 Bxh3 20. f3 Rc8 21. Qf2 Qg5 22. Nc2 Bxg2 23. Qxg2 Qh4 24. Nf6+ Rxf6 25. Qh2 Rg6+ 26. Kh1 Qf6 27. Qf2 Rg3 28. Qh2 Qe6 0-1

[Event "Buenos Aires GEBA"]
[Site "Buenos Aires"]
[Date "1992.??.??"]
[Round "9"]
[White "Yabiansky, Marcelo"]
[Black "Acha, Jaime"]
[Result "0-1"]
[ECO "A38"]
[PlyCount "153"]
[EventDate "1992.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 c5 6. Bg2 Nc6 7. 0-0 d6 8. Nc3 e5 9. d3 Ne8 10. Qd2 h6 11. Nd5 f5 12. e3 Be6 13. a3 Bxd5 14. cxd5 Ne7 15. e4 f4 16. Ne1 g5 17. f3 Ng6 18. Kh1 Nf6 19. Bh3 fxg3 20. hxg3 Kh8 21. Ng2 Nh5 22. Kh2 Bf6 23. Ne3 Ne7 24. Kg2 Bg7 25. Be6 Qe8 26. Rh1 Nf6 27. Rh2 Qg6 28. Rah1 Rad8 29. Nf5 Nfg8 30. Bc1 Nxf5 31. exf5 Rxf5 32. Bxf5 Qxf5 33. g4 Qf7 34. Qxg5 Rf8 35. Qe3 Qxd5 36. Qe4 Qe6 37. g5 Qxb3 38. g6 Rf4 39. Bxf4 exf4 40. Qe8 Qa2+ 41. Kh3 Qd5 42. Qe4 Qg5 43. Qe1 Qh5+ 44. Kg2 Qxg6+ 45. Kf2 Qxd3 46. Rf1 Qg6 47. Ke2 Bd4 48. Qd2 Qe6+ 49. Kd1 Qb3+ 50. Qc2 Qxa3 51. Rd2 Ne7 52. Qe4 Qb3+ 53. Ke2 Qe3+ 54. Qxe3 fxe3 55. Ra2 Nd5 56. Rc1 Nf4+ 57. Kd1 a6 58. Rb1 e2+ 59. Kd2 Bf2 60. Rab2 e1Q+ 61. Rxe1 Bxe1+ 62. Ke3 Nd5+ 63. Ke4 Nb4 64. Re2 Bh4 65. Kf5 Kg7 66. Rg2+ Bg5 67. f4 Nd5 68. Ke4 Nxf4 69. Rb2 d5+ 70. Kf5 b5 71. Ra2 d4 72. Rxa6 d3 73. Ra7+ Kf8 74. Rd7 c4 75. Rd4 c3 76. Rd7 c2 77. Rc7 0-1

