[Event "Mar del Plata op 30th"]
[Site "Mar del Plata"]
[Date "1999.03.27"]
[Round "1"]
[White "Rosito, Jorge"]
[Black "Lehrmann, Jose Maria"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2379"]
[PlyCount "59"]
[EventDate "1999.03.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 c6 4. dxc6 Nxc6 5. Bb5 e5 6. Qe2 e4 7. c3 Be7 8. Be3 0-0 9. Nd2 a6 10. Ba4 Re8 11. Bc2 Bg4 12. Qf1 Bd6 13. h3 Bh5 14. Ne2 Qc7 15. Rc1 b5 16. g4 Bg6 17. Qg2 Rad8 18. 0-0 Qe7 19. Bg5 h6 20. Bxf6 gxf6 21. Ng3 e3 22. Nde4 exf2+ 23. Qxf2 Bxg3 24. Nxf6+ Kh8 25. Qxg3 Qe3+ 26. Qxe3 Rxe3 27. Bxg6 fxg6 28. Rce1 Rxh3 29. Re6 Na7 30. Re7 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1998.04.04"]
[Round "1"]
[White "Giaccio, Alfredo Gustavo"]
[Black "Lehrmann, Jose Maria"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2460"]
[PlyCount "25"]
[EventDate "1998.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 063 Extra"]
[Source "ChessBase"]
[SourceDate "1998.04.29"]
[SourceVersion "1"]
[SourceVersionDate "1998.04.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qe6 5. Bb5+ Bd7 6. 0-0 Bxb5 7. Nxb5 Qb6 8. Qe2 Bd6 9. Nxe5 Kf8 10. Re1 Nf6 11. a4 Nc6 12. Nc4 Nd4 13. Qd3 1-0

[Event "Mar del Plata op 26th"]
[Site "Mar del Plata"]
[Date "1995.??.??"]
[Round "?"]
[White "Quiroga, Facundo"]
[Black "Lehrmann, Jose Maria"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2440"]
[PlyCount "63"]
[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 c5 2. d5 e5 3. e4 d6 4. Nc3 a6 5. a4 f5 6. exf5 Bxf5 7. Bd3 Qf6 8. Nge2 Bxd3 9. Qxd3 Qg6 10. Qxg6+ hxg6 11. Ne4 Nf6 12. N2c3 Nbd7 13. a5 b5 14. axb6 Nxb6 15. Bg5 Be7 16. 0-0-0 0-0 17. h4 Nxe4 18. Nxe4 Bxg5+ 19. hxg5 a5 20. Rh4 Rf4 21. Rxf4 exf4 22. Nxd6 Rd8 23. Nb7 Rxd5 24. Rxd5 Nxd5 25. Nxc5 Kf7 26. Nb3 a4 27. Nc5 Nb6 28. Kd2 Ke7 29. Kd3 Kd6 30. Kd4 Kc6 31. Nd3 f3 32. gxf3 1-0

[Event "Mar del Plata op 26th"]
[Site "Mar del Plata"]
[Date "1995.??.??"]
[Round "?"]
[White "Romero, Martin"]
[Black "Lehrmann, Jose Maria"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2225"]
[PlyCount "127"]
[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 c5 2. d5 e5 3. e4 d6 4. Bb5+ Nd7 5. a4 a6 6. Bxd7+ Bxd7 7. a5 f5 8. exf5 Bxf5 9. Nf3 Nf6 10. 0-0 Be7 11. Nc3 0-0 12. Nh4 Qd7 13. Nxf5 Qxf5 14. Ra4 g5 15. Qe2 h5 16. Ne4 Nxe4 17. Qxe4 Qxe4 18. Rxe4 b5 19. axb6 Rab8 20. b3 Rxb6 21. Bd2 Kg7 22. f3 Kg6 23. Ra1 Ra8 24. h3 Rf8 25. Kf1 Ra8 26. Ke2 Rf8 27. Kd3 Rfb8 28. g3 Bf6 29. Rg1 Kf7 30. Rf1 Rg8 31. Kc4 Rb5 32. Ra1 Rb6 33. Ba5 Rb7 34. Rf1 Ra7 35. f4 exf4 36. h4 Re7 37. Rxe7+ Kxe7 38. hxg5 Rxg5 39. gxf4 Rg4 40. Kd3 Bd4 41. Ke4 Rg3 42. Be1 Rh3 43. Kf5 Kf7 44. Ba5 Bf6 45. Bc7 Be7 46. Ra1 Ke8 47. Rxa6 Kd7 48. Ra7 Re3 49. Ba5+ Ke8 50. Ra8+ Kf7 51. Rh8 h4 52. Bd8 Bxd8 53. Rxd8 Ke7 54. Rh8 h3 55. Rh7+ Kf8 56. Kf6 Kg8 57. Rh5 Rf3 58. f5 Re3 59. Rh4 Re5 60. Rxh3 Rxd5 61. Rg3+ Kh7 62. Rd3 Re5 63. Rxd6 Re2 64. c4 1-0

[Event "Mar del Plata op 24th"]
[Site "Mar del Plata"]
[Date "1993.04.??"]
[Round "?"]
[White "Gonzalez, Julio Alberto"]
[Black "Lehrmann, Jose Maria"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "81"]
[EventDate "1993.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 Qe7 6. Nf3 f6 7. fxe5 fxe5 8. Bxc6+ bxc6 9. Nxe5 Qh4+ 10. g3 Qe4 11. 0-0 Nf6 12. Rf4 Qxe5 13. Bxe5 Bxe5 14. Nc3 Bxf4 15. exf4 0-0 16. Qf1 Bf5 17. d3 Rfe8 18. Re1 h5 19. Re5 g6 20. Qe1 Kf7 21. Na4 Ng4 22. Rxe8 Rxe8 23. Qd2 Nf6 24. Qa5 Re7 25. Qxa7 Bh3 26. Qa5 Ng4 27. Qd2 Nh6 28. Nc3 Bg4 29. a4 h4 30. a5 Nf5 31. Qf2 hxg3 32. hxg3 Ne3 33. a6 Re8 34. Ne4 Nf5 35. Ng5+ Kg7 36. a7 d4 37. Nf3 Bxf3 38. Qxf3 Ra8 39. g4 Nd6 40. Qxc6 Rxa7 41. Qc5 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1993.??.??"]
[Round "1"]
[White "Lehrmann, Jose Maria"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[ECO "B85"]
[BlackElo "2505"]
[PlyCount "66"]
[EventDate "1993.05.??"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 d6 7. 0-0 Be7 8. a4 Nc6 9. Be3 Bd7 10. f4 Qc7 11. Nxc6 Bxc6 12. Bf3 0-0 13. a5 Nd7 14. Na4 Rad8 15. Nc3 Bf6 16. Qd2 Nc5 17. Rfd1 Rd7 18. Bd4 e5 19. Be3 exf4 20. Bxf4 Qd8 21. Bg4 Bxc3 22. Qxc3 Nxe4 23. Qb4 Qf6 24. Bxd7 Qxf4 25. Rf1 Qe3+ 26. Kh1 Bxd7 27. Rf3 Nf2+ 28. Kg1 Nd3+ 29. Rxe3 Nxb4 30. Rb3 Nxc2 31. Rc1 Nd4 32. Re3 Bc6 33. Kf2 h5 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "6"]
[White "Amura, Claudia Noemi"]
[Black "Lehrmann, Jose Maria"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2355"]
[PlyCount "80"]
[EventDate "1992.??.??"]
[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 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 d6 7. bxa6 Bg7 8. Bb5+ Bd7 9. Bc4 0-0 10. Nge2 Nxa6 11. 0-0 Qc7 12. f3 Rfb8 13. b3 Qb7 14. Rb1 Be8 15. f4 Nc7 16. a4 Nd7 17. e4 Qa7 18. Be3 Nb6 19. Bd3 Na6 20. e5 Nb4 21. Be4 Qc7 22. Qe1 dxe5 23. Qh4 f5 24. d6 exd6 25. Bxa8 Rxa8 26. fxe5 Bxe5 27. Bf4 Nd3 28. Bxe5 Nxe5 29. Nf4 Bf7 30. Rfd1 c4 31. bxc4 Ng4 32. Kh1 Qxc4 33. Nce2 Qc5 34. Nd3 Qe3 35. Nef4 Nd5 36. Re1 Qd4 37. Rb7 Nxf4 38. Rxf7 Kxf7 39. Qxh7+ Kf8 40. Re7 Qf6 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "3"]
[White "Bronstein, Luis Marcos"]
[Black "Lehrmann, Jose Maria"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2365"]
[PlyCount "73"]
[EventDate "1992.??.??"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 Qb6 7. Bc4 e6 8. 0-0 Be7 9. a4 c6 10. a5 Qc7 11. Ne5 0-0 12. g4 Bg6 13. h4 Nd5 14. Bxd5 exd5 15. Bf4 Bd6 16. h5 Bxc2 17. Qxc2 f6 18. Nxc6 Qxc6 19. Be3 Bb4 20. Rfc1 Bxc3 21. Qf5 Qd7 22. Rxc3 Qxf5 23. gxf5 Na6 24. Rac1 Rfe8 25. Kg2 Kf7 26. Kf3 Ke7 27. b4 Rad8 28. b5 Nb8 29. Bf4 a6 30. Bxb8 Rxb8 31. Rc7+ Kf8 32. b6 Red8 33. Rg1 g5 34. hxg6 hxg6 35. fxg6 Rdc8 36. Rh1 Kg8 37. g7 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "8"]
[White "Farah, Rodolfo"]
[Black "Lehrmann, Jose Maria"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2205"]
[PlyCount "73"]
[EventDate "1992.??.??"]
[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 d5 2. exd5 Qxd5 3. d4 e5 4. Nf3 exd4 5. Qxd4 Nf6 6. Nc3 Qxd4 7. Nxd4 a6 8. Bf4 c5 9. Nf3 Be7 10. a4 Bf5 11. 0-0-0 0-0 12. Bc4 Nc6 13. Nh4 Bg6 14. Nxg6 hxg6 15. h3 Rad8 16. Be3 Nd4 17. g4 Ne8 18. Nd5 Bd6 19. Bxd4 cxd4 20. Rxd4 Bc5 21. Rf4 Nd6 22. Ne7+ Kh7 23. g5 Nf5 24. Nxf5 gxf5 25. Rxf5 Be7 26. h4 Rd4 27. Bb3 b5 28. axb5 axb5 29. h5 g6 30. Rxb5 Rg4 31. Rb6 Bxg5+ 32. Kb1 f6 33. hxg6+ Kxg6 34. c3 Bf4 35. Rb4 Kf5 36. Bc2+ Ke5 37. Re4+ 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "5"]
[White "Lehrmann, Jose Maria"]
[Black "Burijovich, Liliana"]
[Result "0-1"]
[ECO "B49"]
[BlackElo "2190"]
[PlyCount "118"]
[EventDate "1992.??.??"]
[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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. 0-0 Bb4 9. Nxc6 bxc6 10. Bf3 0-0 11. Ne2 d5 12. exd5 cxd5 13. c3 Bd6 14. Ng3 a5 15. Re1 Rb8 16. Qd2 Ba6 17. h3 Nd7 18. Nh5 Ne5 19. Be2 Bxe2 20. Qxe2 Qc4 21. Bd4 Qxe2 22. Rxe2 f6 23. b3 Rfe8 24. Bxe5 Bxe5 25. Rc1 Kf8 26. Ng3 Rec8 27. c4 a4 28. Ree1 axb3 29. axb3 Bb2 30. Rb1 Rxb3 31. cxd5 exd5 32. Re2 Rc1+ 33. Rxc1 Bxc1 34. Re1 Bf4 35. Nf5 Rb7 36. g3 Bb8 37. Kf1 g6 38. Nd4 Rb6 39. Ra1 Ke7 40. Re1+ Kd7 41. Rd1 Be5 42. Nc2 Kc6 43. Ne3 Rb5 44. Ke1 f5 45. Ke2 h6 46. Rd2 Bc3 47. Ra2 Ra5 48. Rc2 d4 49. Nd1 Rc5 50. Nxc3 Rxc3 51. Rxc3+ dxc3 52. Kd3 Kd5 53. Kxc3 Ke4 54. Kd2 Kf3 55. Ke1 g5 56. Kf1 h5 57. Kg1 h4 58. gxh4 gxh4 59. Kf1 f4 0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "4"]
[White "Lehrmann, Jose Maria"]
[Black "Fabrega, Enrique"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "2260"]
[PlyCount "80"]
[EventDate "1992.??.??"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. 0-0 c4 8. Bc2 Nge7 9. Ng5 h6 10. Qh5 g6 11. Qh3 Bg7 12. Nf3 0-0-0 13. b4 f5 14. b5 Qxb5 15. a4 Qb6 16. Ba3 g5 17. a5 Qa6 18. Nfd2 Ng6 19. Qf3 Nf4 20. Bd6 Be8 21. Na3 Bh5 22. Qe3 Rhe8 23. f3 Rxd6 24. exd6 Nxd4 25. d7+ Kxd7 26. Ba4+ Nc6 27. Rfb1 Bxc3 28. Kh1 Bxa1 29. Rxa1 c3 30. Qxc3 Qe2 31. Rg1 Qf2 32. Qb2 Kc7 33. Bxc6 bxc6 34. Qe5+ Kd7 35. Qb2 Ke7 36. Qb7+ Kf6 37. Qb2+ e5 38. Ne4+ fxe4 39. Qxf2 exf3 40. gxf3 e4 1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1992.??.??"]
[Round "7"]
[White "Lehrmann, Jose Maria"]
[Black "Rodriguez, A."]
[Result "0-1"]
[ECO "B92"]
[PlyCount "99"]
[EventDate "1992.??.??"]
[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 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Nbd7 9. Bg5 Be7 10. Kh1 0-0 11. f4 Rc8 12. f5 Bc4 13. Bxc4 Rxc4 14. Qf3 b5 15. a3 Qa8 16. Bxf6 Nxf6 17. Rfe1 Rfc8 18. Rad1 a5 19. Nxb5 Rxc2 20. Nxd6 Bxd6 21. Rxd6 Rxb2 22. Red1 h6 23. Nc5 Rc2 24. Ra6 Qb8 25. Rxf6 R2xc5 26. Rfd6 Rc1 27. Rd8+ Rxd8 28. Rxc1 Qb2 29. Rf1 Qc2 30. h3 f6 31. Re1 Rd3 32. Qh5 Rg3 33. Qe2 Qxe2 34. Rxe2 Rxa3 35. Rc2 Ra4 36. Rc5 Rxe4 37. Rxa5 Rf4 38. g4 h5 39. Ra8+ Kh7 40. gxh5 Rxf5 41. Kg2 Rxh5 42. Kg3 Kg6 43. Ra7 Rf5 44. Kg4 Rf1 45. Re7 Rg1+ 46. Kh4 Kf5 47. Ra7 e4 48. Kh5 e3 49. h4 g6+ 50. Kh6 0-1

