[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Auer, Matthias"]
[Black "Leidorf, M."]
[Result "0-1"]
[ECO "B33"]
[PlyCount "66"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Bc4 Nf6 7. Bg5 Be7 8. Bxf6 Bxf6 9. Nc3 0-0 10. 0-0 Qb6 11. Na4 Qb4 12. b3 Rd8 13. a3 Qe7 14. Qf3 Bb7 15. b4 d5 16. Bd3 Qe8 17. Nc5 Rab8 18. Rab1 Qe7 19. Nxb7 Qxb7 20. b5 c5 21. c4 dxc4 22. Bxc4 Rd4 23. Bd3 c4 24. Bc2 Rc8 25. Rfd1 Rcd8 26. Rxd4 exd4 27. g3 d3 28. Ba4 c3 29. Qg4 c2 30. Bxc2 dxc2 31. Rc1 Qc7 32. Qe2 Rc8 33. f4 Bb2 0-1

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1998.??.??"]
[Round "7"]
[White "Leibfried, Peter"]
[Black "Leidorf, M."]
[Result "1-0"]
[ECO "A52"]
[PlyCount "93"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 Qe7 6. Ngf3 Nc6 7. a3 Ngxe5 8. Nxe5 Nxe5 9. Bxe5 Bxd2+ 10. Qxd2 Qxe5 11. e3 d6 12. Be2 b6 13. Bf3 Rb8 14. Bc6+ Bd7 15. Bf3 Be6 16. Bc6+ Ke7 17. Rc1 Rhd8 18. 0-0 d5 19. cxd5 Bxd5 20. Bxd5 Rxd5 21. Qb4+ c5 22. Qa4 a5 23. Qb5 Rd2 24. Rb1 Qc7 25. b4 axb4 26. axb4 Rbd8 27. bxc5 Qxc5 28. Qxb6 Qxb6 29. Rxb6 R8d6 30. Rxd6 Rxd6 31. Rc1 g6 32. Kf1 Rd2 33. Ke1 Rb2 34. Rd1 Rb6 35. Ke2 f5 36. Kf3 Kf6 37. h3 h5 38. Rd4 Re6 39. g4 hxg4+ 40. hxg4 fxg4+ 41. Kxg4 Re5 42. e4 Rg5+ 43. Kf4 Re5 44. Rd6+ Re6 45. Rxe6+ Kxe6 46. Kg5 Ke5 47. f3 1-0

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Leidorf, M."]
[Black "Auer, Hans"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "23"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 exd4 5. Nxd4 Bc5 6. Nxc6 bxc6 7. Bg5 Bxf2+ 8. Kxf2 Ng4+ 9. Ke1 Qxg5 10. Qc1 Qf5 11. Kd2 0-0 12. Nd5 1-0

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Leidorf, M."]
[Black "Elbel, Sandro"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "90"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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. Nf3 0-0 6. Bd3 Nbd7 7. Bg5 h6 8. Bf4 Re8 9. Qd2 Kh7 10. h4 e5 11. dxe5 dxe5 12. Be3 Ng4 13. h5 Nxe3 14. Qxe3 g5 15. 0-0-0 c6 16. Ne2 a6 17. Ng3 Nf8 18. Nf5 Bxf5 19. exf5 f6 20. Be4 Qa5 21. a3 Rac8 22. Rd6 Kh8 23. Qb3 Qc7 24. c5 Red8 25. Rhd1 Rxd6 26. Rxd6 Nd7 27. Qf7 Nxc5 28. Qxc7 Rxc7 29. Nd2 Kg8 30. b4 Nd7 31. Nb3 Bf8 32. Re6 Kg7 33. Kb2 c5 34. bxc5 Bxc5 35. f3 Be3 36. Re7+ Kh8 37. Re8+ Kg7 38. Bd5 Nf8 39. Na5 Bd4+ 40. Kb1 Rc5 41. Re7+ Kh8 42. Re8 Rxd5 43. Nxb7 Kg7 44. Re7+ Kg8 45. Re8 Rb5+ 0-1

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1998.??.??"]
[Round "2"]
[White "Leidorf, M."]
[Black "Hedrich, M."]
[Result "1-0"]
[ECO "A41"]
[PlyCount "35"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 f6 5. dxe5 Be7 6. exd6 Bxd6 7. e4 Be6 8. Be3 b6 9. Qa4 Nge7 10. 0-0-0 0-0 11. Nd5 Ne5 12. Nxe5 fxe5 13. c5 Bd7 14. Qb3 Rb8 15. Nxe7+ Kh8 16. cxd6 Bg4 17. f3 Bd7 18. Bg5 1-0

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Leidorf, M."]
[Black "Leininger, Holger"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "66"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Be7 7. e4 h6 8. Bf4 0-0 9. e5 Re8 10. 0-0-0 Nh7 11. Bd3 Ng5 12. Qe3 d6 13. h4 Ne6 14. Bxh6 g6 15. Bxg6 fxg6 16. Ne4 Ng7 17. Bxg7 Kxg7 18. h5 Bf5 19. hxg6 Kxg6 20. Qh6+ Kf7 21. Qf4 Kg6 22. Rh6+ Kg7 23. Rdh1 Bxe4 24. Qxe4 Bg5+ 25. f4 Bxh6 26. Qf5 Rh8 27. Qg4+ Kf7 28. e6+ Ke7 29. Rxh6 Rxh6 30. Qg7+ Kxe6 31. Qxh6+ Qf6 32. Qh3+ Ke7 33. Qe3+ Kf7 0-1

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1998.??.??"]
[Round "6"]
[White "Leidorf, M."]
[Black "Mueller, A."]
[Result "1-0"]
[ECO "D13"]
[PlyCount "111"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. d4 d5 4. cxd5 cxd5 5. Nf3 Bf5 6. Bg5 Nbd7 7. e3 e6 8. Bb5 Be7 9. Ne5 0-0 10. Qd2 Nxe5 11. dxe5 Ne4 12. Nxe4 Bxg5 13. Nd6 Qb6 14. h4 Be7 15. Nxf5 exf5 16. Qe2 a6 17. Bd3 g6 18. h5 Qa5+ 19. Kf1 Rac8 20. g4 fxg4 21. hxg6 fxg6 22. Qxg4 Qd2 23. Qe6+ Rf7 24. Qxc8+ Kg7 25. Qc2 Qxe3 26. Rxh7+ Kxh7 27. Bxg6+ Kg7 28. Bxf7 Qh3+ 29. Ke2 Kxf7 30. Qd3 Qh5+ 31. Qf3+ Qxf3+ 32. Kxf3 Ke6 33. Kf4 Bc5 34. Rf1 Bd4 35. b3 Bxe5+ 36. Ke3 Kd6 37. Rd1 Kc5 38. a3 Bb2 39. a4 Bf6 40. Kd3 b5 41. axb5 axb5 42. f4 b4 43. f5 d4 44. Re1 Kd5 45. Re6 Bh8 46. Rg6 Ke5 47. f6 Ke6 48. Kxd4 Bxf6+ 49. Kc4 Kf7 50. Rxf6+ Kxf6 51. Kxb4 Ke7 52. Kb5 Kd7 53. Kb6 Kc8 54. b4 Kb8 55. b5 Ka8 56. Kc7 1-0

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Mueller, A."]
[Black "Leidorf, M."]
[Result "1-0"]
[ECO "A46"]
[PlyCount "41"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 Bb4+ 4. c3 Ba5 5. Bd3 d5 6. Nbd2 Nc6 7. 0-0 Qd6 8. Re1 Bd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 0-0-0 12. Bf4 Qf8 13. b4 Bxb4 14. cxb4 Nxb4 15. Rc1 Bc6 16. Bb1 Nd5 17. Bg3 Qb4 18. Ne5 Nc3 19. Nxc6 Nxd1 20. Nxb4 Nb2 21. Rxc7+ 1-0

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Muenzer, Alfred"]
[Black "Leidorf, M."]
[Result "1/2-1/2"]
[ECO "C55"]
[PlyCount "21"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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 Nf6 4. Nc3 Nxe4 5. 0-0 Bc5 6. d3 Nf6 7. Bg5 0-0 8. Nd5 d6 9. Qd2 Be6 10. c3 h6 11. Bh4 1/2-1/2

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1998.??.??"]
[Round "3"]
[White "Werner, A."]
[Black "Leidorf, M."]
[Result "1-0"]
[ECO "B07"]
[PlyCount "91"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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. Bc4 Bg7 5. Qe2 0-0 6. e5 dxe5 7. dxe5 Ne8 8. Bd2 Nc6 9. e6 f5 10. Nf3 Nd4 11. Nxd4 Qxd4 12. 0-0-0 Nd6 13. Bb3 a5 14. h4 a4 15. Bd5 c6 16. Bf3 Nc4 17. Be3 Qe5 18. Qxc4 Bxe6 19. Qb4 a3 20. Bd4 Qf4+ 21. Kb1 axb2 22. a3 Ra6 23. Bxg7 Qxb4 24. axb4 Kxg7 25. Kxb2 Bc4 26. Rd4 b5 27. Ra1 Rxa1 28. Kxa1 Ra8+ 29. Kb2 Ra6 30. Rd7 Kf6 31. Rc7 Ke6 32. Rxc6+ Rxc6 33. Bxc6 Kd6 34. Bxb5 Bd5 35. Nxd5 Kxd5 36. c4+ Kd6 37. Kc3 e5 38. f4 h6 39. fxe5+ Kxe5 40. c5 Kf4 41. c6 Kg3 42. c7 Kxh4 43. c8Q f4 44. Be2 h5 45. Qd8+ g5 46. Qf6 1-0

[Event "Pfalz-op"]
[Site "Bad Bergzabern"]
[Date "1997.??.??"]
[Round "?"]
[White "Camin, B."]
[Black "Leidorf, M."]
[Result "1/2-1/2"]
[ECO "A52"]
[PlyCount "90"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e3 Ngxe5 6. Nxe5 Nxe5 7. Be2 Bb4+ 8. Nd2 0-0 9. a3 Be7 10. 0-0 d6 11. b3 Bf6 12. Ra2 Re8 13. Bb2 Bf5 14. Bxe5 Bxe5 15. Nf3 Bg4 16. Nxe5 Bxe2 17. Qxe2 Rxe5 18. Rd1 f5 19. Rd5 Qf6 20. Rxe5 Qxe5 21. Qb2 Re8 22. Qxe5 Rxe5 23. Kf1 Kf7 24. Rd2 Kf6 25. Re2 g5 26. g3 g4 27. Rd2 Ke6 28. Ke2 c6 29. b4 c5 30. b5 b6 31. a4 d5 32. cxd5+ Rxd5 33. Rc2 Ke5 34. Rc4 h5 35. Rf4 Ke6 36. Rc4 Re5 37. Kd3 Kd5 38. Rf4 c4+ 39. Rxc4 Re4 40. Rxe4 fxe4+ 41. Kc3 Kc5 42. Kb3 Kd5 43. Kb4 Ke6 44. Kc4 Ke5 45. Kc3 Kd5 1/2-1/2

[Event "Pfalz-op"]
[Site "Bad Bergzabern"]
[Date "1997.??.??"]
[Round "?"]
[White "Collet, Mark"]
[Black "Leidorf, M."]
[Result "0-1"]
[ECO "B92"]
[PlyCount "46"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Kh1 Be6 10. f4 exf4 11. Bxf4 a6 12. Nd4 Qd7 13. Bf3 Ne5 14. Nxe6 Qxe6 15. Nd5 Rac8 16. c3 Nxf3 17. Nxe7+ Qxe7 18. Bxd6 Qxe4 19. Qxf3 Qxf3 20. Rxf3 Rfe8 21. Rf2 Ne4 22. Bg3 Nxf2+ 23. Bxf2 Re2 0-1

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1997.??.??"]
[Round "5"]
[White "Djapanovic, Cvijan"]
[Black "Leidorf, M."]
[Result "1-0"]
[ECO "B08"]
[PlyCount "43"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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. Nf3 Bg7 5. Be2 0-0 6. Be3 Nc6 7. h3 e5 8. d5 Ne7 9. Qd2 Bd7 10. Bh6 Ne8 11. 0-0-0 f5 12. Bxg7 Kxg7 13. h4 f4 14. h5 gxh5 15. Rxh5 Nf6 16. Rhh1 Ng4 17. Bb5 c6 18. dxc6 bxc6 19. Bc4 Qb6 20. Qxd6 Rad8 21. Qxe7+ Rf7 22. Qxf7+ 1-0

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1997.??.??"]
[Round "7"]
[White "Folkhard, Waltraud"]
[Black "Leidorf, M."]
[Result "1-0"]
[ECO "A52"]
[PlyCount "89"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 d6 5. Be2 Nxe5 6. Nf3 Nbc6 7. b3 Bf5 8. a3 Qf6 9. Ra2 Bxb1 10. Rd2 Bf5 11. Bb2 Nxf3+ 12. Bxf3 Qg6 13. 0-0 Be4 14. b4 Ne5 15. Bxe5 dxe5 16. Qa4+ c6 17. Bxe4 Qxe4 18. Rfd1 Qxc4 19. Qa5 Be7 20. Qc7 Qe6 21. Rd7 f6 22. a4 b6 23. Rxe7+ Qxe7 24. Qxc6+ Kf7 25. Rd7 Rhd8 26. Rxe7+ Kxe7 27. g3 Rdc8 28. Qe4 Rc1+ 29. Kg2 Rac8 30. Qxh7 Kf7 31. Qf5 R8c7 32. Qh5+ Ke6 33. Qg4+ Kd6 34. Qe2 R1c4 35. Qd2+ Ke7 36. h4 e4 37. Qd5 Rxb4 38. Qg8 Rxa4 39. Qxg7+ Kd6 40. Qxf6+ Kd7 41. h5 Rc6 42. Qg7+ Kc8 43. h6 Ra5 44. h7 Rh5 45. Qg8+ 1-0

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1997.??.??"]
[Round "3"]
[White "Koebele, Winfried"]
[Black "Leidorf, M."]
[Result "0-1"]
[ECO "A52"]
[PlyCount "52"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 d6 5. exd6 Bxd6 6. Nf3 f5 7. exf5 Bxf5 8. Qd5 Bb4+ 9. Bd2 Qxd5 10. cxd5 Bc5 11. Bb5+ c6 12. dxc6 bxc6 13. Bc4 Nxf2 14. Rf1 Nd3+ 15. Ke2 Nxb2 16. Ne5 Rf8 17. g4 Nxc4 18. Nxc4 Bd3+ 19. Kxd3 Rxf1 20. Bc3 Na6 21. Bxg7 Nb4+ 22. Kc3 Rd8 23. a3 Nd5+ 24. Kc2 Rf2+ 25. Nbd2 Nb6 26. Kb3 Rd3+ 0-1

[Event "Pfalz-op"]
[Site "Bad Bergzabern"]
[Date "1997.??.??"]
[Round "?"]
[White "Leidorf, M."]
[Black "Kratz, Roland"]
[Result "0-1"]
[ECO "D90"]
[PlyCount "46"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Bf4 c6 8. Be5 Qa5+ 9. Qd2 Qxd2+ 10. Kxd2 0-0 11. h3 Rd8 12. Bxg7 Kxg7 13. e3 c5 14. Rd1 cxd4 15. Kc1 Nc6 16. exd4 Nb4 17. a3 Nd5 18. Bc4 Bf5 19. Nh4 Rac8 20. Nxf5+ gxf5 21. Kd2 Rxc4 22. Kd3 Rdc8 23. Rhe1 Nf4+ 0-1

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1997.??.??"]
[Round "2"]
[White "Leidorf, M."]
[Black "Meinhardt, Roland"]
[Result "0-1"]
[ECO "A37"]
[PlyCount "80"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e6 4. g3 Nge7 5. Bg2 g6 6. 0-0 Bg7 7. d3 0-0 8. a3 a6 9. Rb1 Rb8 10. Ne4 d6 11. Bf4 e5 12. Bg5 b5 13. Nf6+ Kh8 14. Qd2 Be6 15. b3 Qc7 16. Qc1 Rb6 17. Ne4 f5 18. Nc3 Rfb8 19. Bh6 Ng8 20. Bxg7+ Qxg7 21. Ng5 Bd7 22. Nd5 R6b7 23. Nc3 h6 24. Nh3 g5 25. f4 exf4 26. gxf4 g4 27. Nf2 bxc4 28. bxc4 Rxb1 29. Nxb1 Nd4 30. Re1 g3 31. hxg3 Qxg3 32. e4 Nf3+ 33. Kf1 Nxe1 34. Qxe1 Qxf4 35. Qc3+ Qe5 36. Qxe5+ dxe5 37. Nc3 f4 38. Bh3 Bxh3+ 39. Nxh3 Rb3 40. Nd5 Rxd3 0-1

[Event "Pfalz-op"]
[Site "Bad Bergzabern"]
[Date "1997.??.??"]
[Round "?"]
[White "Leidorf, M."]
[Black "Meinhardt, Roland"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "94"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e6 6. 0-0 Nge7 7. d3 0-0 8. Re1 Rb8 9. a3 a6 10. e4 d6 11. Be3 Nd4 12. Rb1 b5 13. Ne2 Nxf3+ 14. Bxf3 bxc4 15. d4 cxd4 16. Nxd4 e5 17. Nc2 a5 18. Be2 Be6 19. f4 f5 20. Bf3 fxe4 21. Bxe4 d5 22. Bf3 e4 23. Bg4 Bxg4 24. Qxg4 Nf5 25. Red1 Nxe3 26. Qe6+ Kh8 27. Nxe3 Qb6 28. Qxb6 Rxb6 29. Rxd5 Rc8 30. Rbd1 Bxb2 31. Rd8+ Rxd8 32. Rxd8+ Kg7 33. Nxc4 Rb3 34. Nxa5 Rxa3 35. Nc4 Ra1+ 36. Kg2 Bc3 37. Re8 Re1 38. Kf2 h6 39. Ne3 Rh1 40. h4 Rh2+ 41. Kf1 Bd4 42. Rxe4 Bxe3 43. Rxe3 Ra2 44. Re2 Ra1+ 45. Kf2 Rb1 46. Kf3 h5 47. Re3 Kf6 1/2-1/2

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1997.??.??"]
[Round "6"]
[White "Leidorf, M."]
[Black "Mueller, Bernd"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "95"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Bg5 0-0 6. Nf3 Nbd7 7. Qd2 c6 8. 0-0-0 a6 9. Be2 b6 10. e5 Ne8 11. Bh6 e6 12. h4 f6 13. Ne4 d5 14. Bxg7 Kxg7 15. exf6+ Nexf6 16. Neg5 Re8 17. Ne5 Nxe5 18. dxe5 Ng8 19. h5 Bb7 20. hxg6 h6 21. Nf7 Qe7 22. Rxh6 dxc4 23. Rh7+ Kf8 24. Bh5 Qc5 25. Qd6+ Qxd6 26. exd6 Nf6 27. Rh6 Nxh5 28. Rxh5 Kg7 29. Rg5 c5 30. Rh1 Bc6 31. Rh4 b5 32. Rhg4 a5 33. Rxc5 Bd7 34. Ne5 Rad8 35. Rc7 Kf6 36. Nxd7+ Kf5 37. f3 Rg8 38. g7 e5 39. Kc2 e4 40. Rc5+ Ke6 41. Nf8+ Kxd6 42. Rh5 Ke7 43. Rxe4+ Kf7 44. Rg4 Rdxf8 45. gxf8Q+ Rxf8 46. Rf4+ Kg6 47. Rxf8 Kxh5 48. Rg8 1-0

[Event "Hassloch op-B"]
[Site "Hassloch"]
[Date "1997.??.??"]
[Round "4"]
[White "Leidorf, M."]
[Black "Rasch, Wolfgang"]
[Result "0-1"]
[ECO "A11"]
[PlyCount "76"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c6 5. b3 Be7 6. Bb2 0-0 7. Qc2 Nbd7 8. 0-0-0 Re8 9. h3 Nf8 10. Ne5 N6d7 11. Ng4 Nf6 12. d4 a6 13. c5 b6 14. cxb6 Qxb6 15. Bd3 Bd7 16. e4 c5 17. dxc5 Qxc5 18. Kb1 Nxg4 19. hxg4 d4 20. Ne2 Qxc2+ 21. Bxc2 e5 22. f3 Ng6 23. Bc1 Bb5 24. Ng3 Red8 25. Nf5 d3 26. Nxe7+ Nxe7 27. Rh5 dxc2+ 28. Kxc2 Rxd1 29. Kxd1 Rd8+ 30. Ke1 f6 31. g5 Rc8 32. gxf6 gxf6 33. Kd2 Ng6 34. g3 Rd8+ 35. Ke1 Rd3 36. Kf2 Rc3 37. Bh6 Rc2+ 38. Ke3 Re2# 0-1

[Event "Pfalz-op"]
[Site "Bad Bergzabern"]
[Date "1997.??.??"]
[Round "?"]
[White "Leidorf, M."]
[Black "Reimer, Karl"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c6 7. 0-0 Bg4 8. Be3 Bd7 9. e5 Ng4 10. Bf4 dxe5 11. Nxe5 Nxe5 12. dxe5 e6 13. Ne4 Qc7 14. Nd6 h6 15. h4 c5 16. Qd2 Kh7 17. h5 Nc6 18. Qe3 Nd4 19. Bd3 Nf5 20. Qd2 g5 21. g4 gxf4 22. Qxf4 Kg8 23. gxf5 exf5 24. Kh2 Rae8 25. Rg1 Kh8 26. Rxg7 Kxg7 27. Rg1+ Kh7 28. Bxf5+ Bxf5 29. Qxf5+ Kh8 30. Qf6+ 1-0

