[Event "Staufer op 11th"]
[Site "Schwaebisch Gmuend"]
[Date "1999.??.??"]
[Round "5"]
[White "Lang, Andreas"]
[Black "Koehler, Bernhard"]
[Result "0-1"]
[ECO "C59"]
[PlyCount "82"]
[EventDate "1999.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 068 Extra"]
[Source "ChessBase"]
[SourceDate "1999.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ng1 Bd6 11. d3 0-0 12. Nc3 Re8 13. Be3 Qc7 14. Nxe4 Nxe4 15. dxe4 Rxe4 16. Qd3 Rh4 17. 0-0-0 Nb7 18. Nf3 Ra4 19. Kb1 Be6 20. a3 Bc4 21. Qd2 Bxe2 22. Qxe2 Rb8 23. Qd3 Qa5 24. Bd2 Qh5 25. Rhe1 Bxa3 26. Qb3 Ra6 27. bxa3 Rb6 28. Bb4 c5 29. Ne5 cxb4 30. g4 Qg5 31. Qxf7+ Kh7 32. Qf5+ Qxf5 33. gxf5 bxa3+ 34. Ka2 Nc5 35. Rb1 R8b7 36. Nc4 Rb4 37. Nxa3 Na4 38. Nc4 Nc3+ 39. Ka3 Nxb1+ 40. Ka2 Nc3+ 41. Ka3 Ra4# 0-1

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Koehler, Bernhard"]
[Black "Dempwolff, Ulrich"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "92"]
[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 d5 2. c4 e6 3. a3 Nf6 4. Nc3 Be7 5. Nf3 0-0 6. Bg5 Nbd7 7. Qc2 h6 8. Bh4 c5 9. e3 cxd4 10. Nxd4 dxc4 11. Bxc4 Nb6 12. Bd3 Nfd5 13. Bxe7 Qxe7 14. 0-0 Bd7 15. Nce2 Rac8 16. Qd1 e5 17. Nf5 Qf6 18. Neg3 Bxf5 19. Nxf5 Rfd8 20. Qe2 Ne7 21. Nxe7+ Qxe7 22. e4 Na4 23. Rfc1 Rxc1+ 24. Rxc1 Nxb2 25. Qxb2 Rxd3 26. a4 Qd7 27. Qc2 Rd4 28. f3 Rxa4 29. Rd1 Rd4 30. Rxd4 exd4 31. Qd3 a5 32. Kf1 b5 33. Ke1 a4 34. Kd1 g6 35. e5 Qd5 36. e6 Qxe6 37. Qxd4 Qc4 38. Qxc4 bxc4 39. Kc2 Kg7 40. Kb2 Kf6 41. Kc3 a3 42. Kc2 Ke5 43. Kc3 Kf4 44. Kc2 Ke3 45. Kb1 c3 46. Kc2 a2 0-1

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Koehler, Bernhard"]
[Black "Schottmueller, Christian"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "71"]
[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 d5 2. c4 e6 3. a3 g6 4. Nc3 Bg7 5. Nf3 Ne7 6. Bg5 0-0 7. Bxe7 Qxe7 8. cxd5 exd5 9. Nxd5 Qd8 10. Nc3 Bg4 11. e3 Nc6 12. Be2 Ne7 13. 0-0 Nf5 14. h3 Bxf3 15. Bxf3 c6 16. Qd3 Qg5 17. Ne4 Qe7 18. Rab1 Nh4 19. Bd1 Rad8 20. b4 b6 21. Bb3 Rfe8 22. Ng3 c5 23. bxc5 bxc5 24. Rfe1 cxd4 25. exd4 Qxa3 26. Rxe8+ Rxe8 27. Bxf7+ Kxf7 28. Qxa3 Bxd4 29. Rb7+ Kg8 30. Qb3+ Kh8 31. Qf7 Re1+ 32. Nf1 Nf3+ 33. gxf3 Bxf2+ 34. Kxf2 Rxf1+ 35. Kxf1 h5 36. Qf8# 1-0

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Koehler, Bernhard"]
[Black "Stroup, Aaron"]
[Result "0-1"]
[ECO "D08"]
[PlyCount "30"]
[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 d5 2. c4 e5 3. dxe5 d4 4. a3 Nc6 5. Nf3 Bg4 6. Bf4 Nge7 7. Nbd2 Ng6 8. Bg3 Qe7 9. h3 Bxf3 10. Nxf3 0-0-0 11. Qc2 Ngxe5 12. Qf5+ Nd7 13. Qf4 Nc5 14. Ne5 Qe6 15. Nxf7 Nd3+ 0-1

[Event "Hagenbach Pfalz op"]
[Site "Hagenbach"]
[Date "1998.??.??"]
[Round "?"]
[White "Mitteregger, Ralf"]
[Black "Koehler, Bernhard"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "136"]
[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. b3 Nf6 2. Bb2 g6 3. e3 Bg7 4. Nf3 0-0 5. Nc3 d6 6. Bc4 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Nd5 Nxd5 10. Bxg7 Kxg7 11. Bxd5 Ne5 12. Qf4 c6 13. Be4 Qa5 14. h4 h5 15. f3 f5 16. Bd3 Nxd3+ 17. cxd3 Qa3 18. Qd4+ e5 19. Qc3 Kh7 20. e4 f4 21. d4 Rae8 22. dxe5 dxe5 23. Qc1 Qd6 24. Qc3 Rd8 25. Rd1 Rf7 26. Ke2 Rfd7 27. d3 Qf6 28. Rd2 Rd4 29. Rdd1 g5 30. hxg5 Qxg5 31. Rhg1 Qg3 32. Qe1 h4 33. Qxg3 hxg3 34. Rh1+ Kg6 35. Rd2 R8d7 36. Rdd1 c5 37. Rh8 b5 38. Rc8 c4 39. bxc4 bxc4 40. Rxc4 R4d6 41. Rc3 Ra6 42. Rc2 Rb6 43. Rdc1 Kg5 44. a4 Rdb7 45. Rc5 Rb2+ 46. R5c2 R7b4 47. Kd2 Rxc2+ 48. Rxc2 Rxa4 49. Rc5 Ra2+ 50. Rc2 Ra5 51. Kc3 Ra3+ 52. Kc4 Kf6 53. Rd2 Ke6 54. d4 Ra4+ 55. Kc3 exd4+ 56. Rxd4 Ra5 57. Rd2 Ke5 58. Kc4 Ke6 59. Kb4 Re5 60. Ra2 Rh5 61. Rxa7 Rh2 62. Ra2 Rh1 63. Rd2 Rf1 64. Kc3 Ke5 65. Kd3 Rg1 66. Kc3 Ke6 67. Kd4 Rf1 68. Kd3 Rg1 1/2-1/2

