[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2013.12.03"]
[Round "7"]
[White "Kuhn, Andreas"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "1946"]
[BlackElo "1992"]
[PlyCount "76"]
[EventDate "2013.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 d6 5. 0-0 g6 6. d4 Bf5 7. Nc3 Bg7 8. d5 Na5 9. Nd2 0-0 10. e4 Bd7 11. Rb1 Rb8 12. b3 a6 13. Bb2 b5 14. h3 Nh5 15. g4 Nf4 16. cxb5 axb5 17. Ne2 Nxg2 18. Kxg2 e5 19. dxe6 fxe6 20. Bxg7 Kxg7 21. Qc2 Nc6 22. Qc3+ e5 23. Qd3 Qe7 24. Nc3 Nd4 25. Ne2 Ne6 26. f3 Rf7 27. Rbd1 Rd8 28. Nb1 Nd4 29. Nxd4 exd4 30. b4 Qe5 31. bxc5 dxc5 32. Na3 Ra8 33. Rd2 c4 34. Nxc4 bxc4 35. Qxd4 Qxd4 36. Rxd4 Rxa2+ 37. Kg3 c3 38. Rc4 Bb5 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2013.11.26"]
[Round "6"]
[White "Kohler, Otto"]
[Black "Akstinat, Sven Holger"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1992"]
[BlackElo "2081"]
[PlyCount "89"]
[EventDate "2013.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 d6 6. c3 dxc3 7. Nxc3 Nf6 8. Bg5 h6 9. Bh4 g5 10. Bg3 0-0 11. h4 Nh5 12. Kh2 Bg4 13. hxg5 hxg5 14. Qd2 Bxf3 15. gxf3 Nd4 16. Kg2 Qf6 17. Qd3 c6 18. Rh1 Nxg3 19. fxg3 Qg6 20. b4 Bb6 21. a4 a6 22. Rad1 Ba7 23. Ne2 Nxe2 24. Qxd6 Qxd6 25. Rxd6 Kg7 26. Bxe2 c5 27. Rh5 f6 28. e5 Rad8 29. Bd3 Rxd6 30. exd6 Rd8 31. Rh7+ Kg8 32. Rxb7 cxb4 33. Rxa7 Rxd6 34. Bc4+ Kf8 35. Rxa6 Rd2+ 36. Kf1 Kg7 37. Rb6 g4 38. fxg4 Rd4 39. Rxb4 Rxg4 40. Kf2 Kh6 41. a5 Rd4 42. a6 Rd7 43. Rb7 Rd1 44. a7 Ra1 45. Rd7 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2013.11.19"]
[Round "5"]
[White "Kohler, Otto"]
[Black "Luett, Michael"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1992"]
[BlackElo "2082"]
[PlyCount "65"]
[EventDate "2013.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Qb6 7. 0-0 Rc8 8. b3 cxd4 9. cxd4 Nge7 10. Na3 Nb4 11. Bb2 Ng6 12. Qd2 Be7 13. Ne1 f6 14. Nd3 0-0 15. Kh1 fxe5 16. dxe5 Rf7 17. f3 Nxd3 18. Bxd3 Nxe5 19. Bxe5 Bxa3 20. Rac1 Bxc1 21. Rxc1 Rxc1+ 22. Qxc1 Qd8 23. Qc3 Bc6 24. h3 d4 25. Qe1 Rd7 26. Qg3 Qe7 27. Qg4 b5 28. Qh5 h6 29. Qg6 Qf7 30. Qh7+ Kf8 31. Bg6 Qg8 32. Qxg8+ Kxg8 33. Be8 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2013.11.12"]
[Round "4"]
[White "Budzyn, Marcus"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "1933"]
[BlackElo "1992"]
[PlyCount "112"]
[EventDate "2013.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nc6 6. d4 cxd4 7. Nxd4 0-0 8. Nc3 a6 9. Rb1 Qc7 10. Nc2 d6 11. Bg5 Be6 12. Ne3 Ne5 13. Bxf6 exf6 14. b3 Rab8 15. Ned5 Qd8 16. a4 f5 17. e4 Kh8 18. f4 Ng4 19. h3 Nh6 20. Qd2 Qd7 21. Kh2 Rbd8 22. Rbd1 Qc8 23. Nb6 Qc5 24. Ncd5 Qa3 25. Qc2 fxe4 26. Bxe4 Nf5 27. Rd3 Nd4 28. Qd1 Nc6 29. b4 Qb2+ 30. Rd2 Qa3 31. Rf3 Qa1 32. Bb1 Rfe8 33. Ra2 Bxd5 34. cxd5 Qd4 35. Qxd4 Nxd4 36. Rf1 Re3 37. f5 Be5 38. Nc4 Bxg3+ 39. Kg2 Rc3 40. fxg6 fxg6 41. Nd2 Be5 42. Ne4 Rb3 43. Raf2 Nf5 44. Rxf5 gxf5 45. Nd2 Rg8+ 46. Kf2 Rb2 47. Ke3 Rg3+ 48. Nf3 f4+ 49. Ke4 Rxb4+ 50. Kf5 Rxf3 51. Rxf3 Rxb1 52. Rf2 Rc1 53. Rf3 Kg7 54. Rb3 Rc7 55. Rb1 Kh6 56. Rb3 f3 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2013.11.05"]
[Round "3"]
[White "Kohler, Otto"]
[Black "Reiter, Ute"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1992"]
[BlackElo "1176"]
[PlyCount "77"]
[EventDate "2013.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nce7 5. c4 c5 6. Nc3 a6 7. a4 Nf6 8. g3 Ng6 9. Bg2 Be7 10. 0-0 h5 11. h4 Bg4 12. Qc2 Qd7 13. Ng5 Qc7 14. f3 Bd7 15. f4 Ng4 16. Nxf7 Rf8 17. fxe5 N6xe5 18. Nxe5 Rxf1+ 19. Bxf1 Nxe5 20. Bf4 Bf6 21. Be2 Bg4 22. Rf1 Bxe2 23. Qxe2 Ng4 24. Nd1 0-0-0 25. Kg2 g6 26. Nf2 Qd7 27. Nxg4 hxg4 28. b3 Re8 29. Bh6 Be5 30. Bg5 Kc7 31. Rf2 Bd4 32. Rf4 Be5 33. Rxg4 Rf8 34. Bf4 Qf7 35. a5 Bc3 36. e5 Bxe5 37. Bxe5 dxe5 38. Qxe5+ Kd8 39. Qb8+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2013.10.25"]
[Round "2"]
[White "Schott, Guido"]
[Black "Kohler, Otto"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2172"]
[BlackElo "1992"]
[PlyCount "35"]
[EventDate "2013.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bc5 7. Qg4 Ne7 8. b4 a6 9. Qxg7 Rg8 10. Qxh7 axb5 11. bxc5 Qc7 12. Nf3 Qxc5 13. Bd3 Rxg2 14. Ng5 Rxg5 15. Bxg5 Nbc6 16. 0-0 b6 17. h4 Ba6 18. Qh8+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2013.10.22"]
[Round "1"]
[White "Kohler, Otto"]
[Black "Bilow, Albrecht"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1992"]
[BlackElo "1393"]
[PlyCount "51"]
[EventDate "2013.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d6 5. c3 Nf6 6. 0-0 Be7 7. Re1 0-0 8. cxd4 d5 9. exd5 Nxd5 10. Nc3 Be6 11. Bb5 Nxc3 12. bxc3 Bd7 13. Bf4 Bf6 14. Rb1 a6 15. Bd3 b5 16. a3 Ne7 17. Ne5 Nd5 18. Qh5 g6 19. Nxg6 fxg6 20. Qxd5+ Kg7 21. Re3 Bf5 22. Qc6 Bxd3 23. Rxd3 Rf7 24. Re1 Rb8 25. Rh3 Rb6 26. Bh6+ 1-0

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.10"]
[Round "8"]
[White "Kohler, Otto"]
[Black "Eigemann, Frederik"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1992"]
[BlackElo "2016"]
[PlyCount "120"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 Bb5 7. 0-0 Bxd3 8. Qxd3 Qa6 9. Ne1 Ne7 10. dxc5 Nd7 11. Qxa6 bxa6 12. Nd3 Nc6 13. b4 Ncxe5 14. Nxe5 Nxe5 15. Bf4 Nc6 16. a4 f6 17. b5 Na5 18. c6 Bc5 19. Nd2 e5 20. Rfe1 Kf7 21. Be3 Bxe3 22. fxe3 e4 23. Rab1 Rhb8 24. Rb4 axb5 25. axb5 a6 26. c7 Rxb5 27. Rxb5 axb5 28. Ra1 Rc8 29. Rxa5 Rxc7 30. Rxb5 Rxc3 31. Rxd5 Rxe3 32. Kf2 Ra3 33. Nxe4 Ke6 34. Rd2 Kf5 35. Nd6+ Kg6 36. Re2 Kh6 37. Nc4 Ra4 38. Nd2 Kg6 39. Nf3 Kf7 40. h3 Rb4 41. g4 Ra4 42. Kg3 Ra3 43. Rf2 Rb3 44. Kg2 Rb4 45. Nh4 h5 46. Kg3 hxg4 47. hxg4 g6 48. Ng2 Kg7 49. Ne3 Rb3 50. Rf3 Rb5 51. Kh4 Rc5 52. Kh3 f5 53. Nxf5+ gxf5 54. gxf5 Kf6 55. Kg4 Rc4+ 56. Rf4 Rxf4+ 57. Kxf4 Kf7 58. Kg5 Kg7 59. f6+ Kf7 60. Kf5 Kf8 1/2-1/2

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.09"]
[Round "7"]
[White "Gelsok, Philipp"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1728"]
[BlackElo "1992"]
[PlyCount "118"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c5 5. 0-0 0-0 6. Nc3 Nc6 7. b3 d5 8. cxd5 Nxd5 9. Bb2 Rb8 10. Rc1 h6 11. Na4 b6 12. Bxg7 Kxg7 13. d4 Be6 14. dxc5 b5 15. Nc3 Nxc3 16. Rxc3 Qa5 17. Rc2 Rfd8 18. Qa1+ Kh7 19. Ng5+ hxg5 20. Bxc6 Rbc8 21. Bg2 Qb4 22. Qc1 Bf5 23. Rc3 a5 24. a3 Qg4 25. e3 Be6 26. e4 Kg7 27. h3 Qh5 28. g4 Qh4 29. Qe3 Rh8 30. Qg3 Qh6 31. b4 axb4 32. axb4 Rcd8 33. f3 Kh7 34. Qe5 Rd2 35. Rfc1 Rhd8 36. R3c2 Qh4 37. Rxd2 Rxd2 38. Kh2 Qf2 39. Qg3 Qe3 40. Ra1 Qd4 41. Ra8 Bc4 42. Qb8 Bf1 43. Qg8+ Kh6 44. Qf8+ Qg7 45. Qxg7+ Kxg7 46. Kg1 Bxg2 47. c6 Rc2 48. c7 Rxc7 49. Kxg2 Rc4 50. Kf2 Kf6 51. Ra3 Rxb4 52. Ke3 Ke5 53. Rd3 e6 54. Rc3 Rc4 55. Ra3 b4 56. Ra5+ Kd6 57. Rxg5 e5 58. f4 b3 59. Rxe5 Kc6 0-1

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.08"]
[Round "6"]
[White "Kohler, Otto"]
[Black "Rost, Vincent"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1992"]
[BlackElo "1732"]
[PlyCount "78"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 Qe7 6. 0-0 Ng4 7. Re1 Qc5 8. Bxf7+ Kxf7 9. Ng5+ Kg8 10. Qxg4 Nxe5 11. Qf4 h6 12. Ne4 Qe7 13. b3 d5 14. Ba3 Ng6 15. Qd2 Qf7 16. Nc5 b6 17. Nd3 c5 18. c3 dxc3 19. Nxc3 d4 20. Ne4 Bb7 21. Bb2 Re8 22. f3 Nh4 23. Qf4 Qxf4 24. Nxf4 Kf7 25. Rad1 g5 26. Nd3 g4 27. Kf2 gxf3 28. gxf3 Rg8 29. Nf4 Bxe4 30. fxe4 Bd6 31. Bc1 Bxf4 32. Bxf4 Rg4 33. Bxh6 Rexe4 34. Rxe4 Rxe4 35. Bg5 Nf5 36. Kf3 Re8 37. Rd2 Rg8 38. Bf4 Kf6 39. Rf2 Re8 1/2-1/2

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.07"]
[Round "5"]
[White "Grosse Gehling, Thomas"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1814"]
[BlackElo "1992"]
[PlyCount "24"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b4 d5 3. Bb2 g6 4. e3 Bg7 5. c4 0-0 6. Be2 dxc4 7. Bxc4 a5 8. a3 axb4 9. axb4 Rxa1 10. Bxa1 Bf5 11. d4 Qd6 12. Qa4 Bxb1 0-1

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.06"]
[Round "4"]
[White "Kohler, Otto"]
[Black "Peter, Anton"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1992"]
[BlackElo "1730"]
[PlyCount "116"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Qb6 5. Nf3 Bd7 6. Bd3 Bb5 7. 0-0 Bxd3 8. Qxd3 Nc6 9. Na3 a6 10. Rb1 cxd4 11. cxd4 Nge7 12. Bd2 Nf5 13. Nc2 Rc8 14. b4 Qb5 15. Qb3 Be7 16. a4 Qb6 17. Qd3 Qc7 18. Rfc1 0-0 19. b5 axb5 20. axb5 Nb8 21. Ne3 Qd7 22. Nxf5 exf5 23. Re1 Qe6 24. Bg5 Bxg5 25. Nxg5 Qg6 26. Nh3 Rc4 27. Nf4 Qg4 28. g3 Nd7 29. h3 Qg5 30. Nxd5 Rfc8 31. h4 Qd8 32. Qxf5 Rxd4 33. e6 fxe6 34. Qxe6+ Kh8 35. Ne7 Rc5 36. Rbd1 Nf6 37. Rxd4 Qxd4 38. Nc6 bxc6 39. bxc6 Qc4 40. Qc8+ Ng8 41. Re8 Rxc6 42. Rxg8+ Qxg8 43. Qxc6 h6 44. Kg2 Qa2 45. g4 Qe2 46. Qc8+ Kh7 47. Qf5+ Kg8 48. g5 Qh5 49. Qe6+ Kh7 50. Qe4+ Kg8 51. g6 Kf8 52. Qf3+ Qxf3+ 53. Kxf3 Ke7 54. Kf4 Kf6 55. h5 Ke7 56. Ke5 Kf8 57. Ke6 Ke8 58. f4 Kd8 1/2-1/2

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.05"]
[Round "3"]
[White "Buchfelder, Gerhard"]
[Black "Kohler, Otto"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "1747"]
[BlackElo "1992"]
[PlyCount "56"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Nf3 cxd4 6. Qxd4 Nc6 7. Bb5 Qa5 8. Bd2 Nge7 9. a3 Bxc3 10. Bxc6+ Nxc6 11. Qxc3 Qxc3 12. Bxc3 0-0 13. 0-0 Bd7 14. Rad1 Rac8 15. Rd2 Rfd8 16. Re1 Be8 17. h3 h6 18. Re3 Rd7 19. Kf1 Rdc7 20. Ke1 a6 21. Nd4 g6 22. Nxc6 Rxc6 23. Kd1 Rc4 24. Rd4 Bb5 25. Rxc4 Rxc4 26. b3 Rf4 27. Be1 d4 28. g3 dxe3 1/2-1/2

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.04"]
[Round "2"]
[White "Kohler, Otto"]
[Black "Boidman, Yuri"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1992"]
[BlackElo "2403"]
[PlyCount "98"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Ne2 Qxd5 5. Nbc3 Qd7 6. h3 Bh5 7. g4 Bg6 8. Bg2 Nc6 9. Be3 0-0-0 10. Qd2 Nb4 11. Ne4 Qc6 12. Qxb4 Bxe4 13. Bxe4 Qxe4 14. 0-0-0 Nd5 15. Qb3 e6 16. Ng3 Qf3 17. Rd3 Bd6 18. Bg5 Qg2 19. Rhd1 f6 20. Bd2 Bxg3 21. fxg3 Qxh3 22. c4 Nb6 23. g5 Qf5 24. c5 Nd5 25. Qa3 c6 26. g4 Qe4 27. Re1 Qxg4 28. Qxa7 Nc7 29. Ba5 Qxg5+ 30. Ree3 Rxd4 31. Qb6 Nb5 32. Rxd4 Qxe3+ 33. Rd2 Qf4 34. Kc2 Nc7 35. Rd6 Qh2+ 36. Kc1 Qg1+ 37. Kd2 Qg5+ 38. Kc2 Qg6+ 39. Kc1 Qf7 40. Qb3 Re8 41. Bb6 Qe7 42. a4 f5 43. a5 e5 44. Qh3 g6 45. Qh1 e4 46. Qf1 e3 47. Bxc7 e2 48. Qe1 Kxc7 49. a6 Qe3+ 0-1

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.03"]
[Round "1"]
[White "Von der Lippe, Hans Bernd"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1679"]
[BlackElo "1992"]
[PlyCount "46"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Bd3 d5 5. c3 Nc6 6. Nbd2 Bd6 7. 0-0 0-0 8. dxc5 Bxc5 9. e4 Qc7 10. exd5 exd5 11. Nb3 Bd6 12. h3 Re8 13. Bc2 Ne5 14. Nfd4 a6 15. Re1 Bd7 16. Bg5 Ne4 17. Bxe4 dxe4 18. Rxe4 h6 19. Bf4 g5 20. Bxe5 Bxe5 21. Qh5 Bh2+ 22. Kf1 Rxe4 23. Qxh6 Qc4+ 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2008.11.24"]
[Round "7"]
[White "Moews, Thomas"]
[Black "Kohler, Otto"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1712"]
[BlackElo "1887"]
[PlyCount "133"]
[EventDate "2008.10.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Nc6 7. c3 Be7 8. Bd3 Qb6 9. dxc5 Nxc5 10. Nb3 Nxd3+ 11. Qxd3 Bd7 12. Be3 Qc7 13. Rc1 0-0 14. 0-0 f6 15. Nbd4 fxe5 16. Nxc6 Bxc6 17. Nxe5 Bd6 18. Bd4 a6 19. b3 Rac8 20. Rf3 Bxe5 21. Bxe5 Qe7 22. Rh3 g6 23. Rg3 Rf5 24. Re1 Bb5 25. Qd4 Kf7 26. a4 Bd7 27. Rh3 Kg8 28. Qb6 Qc5+ 29. Qxc5 Rxc5 30. Rhe3 Rf7 31. g3 Rc6 32. Rd1 b5 33. axb5 axb5 34. Ra1 Rc8 35. Bd6 h6 36. Kf2 Kh7 37. Ke2 g5 38. Kd3 Kg6 39. Kd4 g4 40. Ra7 Kf5 41. Re5+ Kf6 42. Re1 Be8 43. Rea1 Rxa7 44. Rxa7 Kf5 45. Bf8 h5 46. Bd6 Rd8 47. Be5 Rd7 48. Ra8 Bf7 49. Kc5 Ke4 50. b4 Kf3 51. Kxb5 Kg2 52. Ra2+ Kh3 53. Ka6 Bg6 54. b5 Bd3 55. Kb6 Bc4 56. Rb2 d4 57. Bxd4 Bd5 58. Kc5 Bg2 59. Bf6 Kxh2 60. Bh4 Rc7+ 61. Kb4 Kh3 62. Rxg2 Kxg2 63. b6 Rc8 64. c4 Kf3 65. Kb5 Ke4 66. b7 Rb8 67. Kb6 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2008.11.11"]
[Round "5"]
[White "Arlt, Klaus"]
[Black "Kohler, Otto"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2009"]
[BlackElo "1887"]
[PlyCount "115"]
[EventDate "2008.10.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. e4 d6 8. h3 a6 9. d3 Rb8 10. a4 b6 11. Be3 Bb7 12. Qd2 Nd7 13. Bh6 Nde5 14. Bxg7 Kxg7 15. Ne1 Nd4 16. Ra3 e6 17. f4 Nec6 18. Ne2 f5 19. Nxd4 Nxd4 20. Nc2 e5 21. Nxd4 exd4 22. exf5 gxf5 23. Re1 Re8 24. Raa1 Qd7 25. Rxe8 Rxe8 26. Bxb7 Qxb7 27. Re1 Qd7 28. b3 Kf7 29. Qd1 Kg6 30. Kf2 b5 31. Rxe8 Qxe8 32. Qe2 Qf7 33. g4 bxa4 34. bxa4 fxg4 35. Qxg4+ Kf6 36. Qg5+ Ke6 37. Qd5+ Kf6 38. Qxf7+ Kxf7 39. Kf3 h5 40. Ke4 Ke6 41. h4 a5 42. f5+ Kf6 43. Kd5 Kxf5 44. Kxd6 Kf4 45. Kxc5 Ke3 46. Kb5 Kxd3 47. c5 Ke2 48. c6 d3 49. c7 d2 50. c8Q d1Q 51. Qc4+ Ke3 52. Kxa5 Qd8+ 53. Kb4 Qb6+ 54. Kc3 Qa5+ 55. Kb3 Qb6+ 56. Qb4 Qe6+ 57. Ka3 Kf2 58. Qb2+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2008.11.04"]
[Round "4"]
[White "Kohler, Otto"]
[Black "Trube, Dieter"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1887"]
[BlackElo "1700"]
[PlyCount "178"]
[EventDate "2008.10.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. Nc3 Qd6 5. Nf3 a6 6. g3 Bg4 7. Bg2 Nc6 8. Bf4 Qd7 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nxe5 12. dxe5 Qxd1+ 13. Rxd1 Nd7 14. Bxb7 Rd8 15. Nd5 e6 16. Nxc7+ Ke7 17. c4 h5 18. Nxa6 hxg4 19. hxg4 Rxh1+ 20. Bxh1 f6 21. exf6+ Kxf6 22. Bc6 e5 23. Bg3 Ke7 24. Bh4+ Nf6 25. Bd5 Rc8 26. c5 Ke8 27. Bb7 Rxc5 28. Nxc5 Bxc5 29. a3 Bd4 30. Bxf6 gxf6 31. Rd2 Ke7 32. f4 Kd6 33. f5 Bf7 34. Rc2 Bb3 35. Rd2 Kc7 36. Bf3 Kb6 37. Kf1 Kc5 38. Kg2 Bf7 39. Rc2+ Kd6 40. b4 Be8 41. Be2 Ba4 42. Rc8 Bb2 43. Rd8+ Ke7 44. Rd3 Bc6+ 45. Kg3 e4 46. Rb3 Be5+ 47. Kh3 Ba4 48. Re3 Bc2 49. Bc4 Kd6 50. Re2 Bb1 51. Kg2 Bd4 52. Ba6 Ke5 53. Kg3 e3 54. Bc4 Ke4 55. a4 Be5+ 56. Kg2 Kf4 57. a5 Be4+ 58. Kf1 Bc3 59. a6 Bd4 60. Ra2 Ba7 61. Be2 Kg3 62. b5 Bg2+ 63. Ke1 Be4 64. Ra1 Bc5 65. a7 Bb4+ 66. Kf1 Bg2+ 67. Kg1 Ba8 68. Rb1 Bc5 69. b6 Bb7 70. a8Q Bxa8 71. b7 Bxb7 72. Rxb7 Bd4 73. Rd7 Be5 74. Re7 Kf4 75. Kg2 Bc3 76. Bf3 Bd2 77. Re4+ Kg5 78. Be2 Be1 79. Kf3 Bd2 80. Re8 Kh6 81. Rg8 Kh7 82. Rg6 Bc3 83. Kxe3 Ba1 84. Ke4 Bb2 85. Kd5 Ba1 86. Ke6 Bb2 87. Kf7 Bc3 88. g5 fxg5 89. Rxg5 Kh6 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2008.10.21"]
[Round "2"]
[White "Kohler, Otto"]
[Black "Pelz, Andreas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1887"]
[BlackElo "1407"]
[PlyCount "83"]
[EventDate "2008.10.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nc3 d5 6. e5 Bb4 7. Nf3 Nge7 8. a3 Ba5 9. Bg5 h6 10. Bd2 Nf5 11. Bb5 Bd7 12. Ne2 Bxd2+ 13. Qxd2 Qa5 14. Nc3 Qb6 15. Rd1 a6 16. Be2 Rc8 17. 0-0 Rc7 18. b4 0-0 19. Na4 Qa7 20. Nc5 Be8 21. g4 Nfe7 22. Kh1 Kh8 23. Rg1 Nb8 24. Rg3 b6 25. Rh3 Ng8 26. Nd3 f6 27. g5 fxg5 28. Nxg5 Re7 29. Nf4 Bf7 30. Nxf7+ Rexf7 31. Ng6+ Kh7 32. Qd3 Rf5 33. Nxf8+ Kh8 34. Ng6+ Kh7 35. Nh4 Ne7 36. Bg4 Qd7 37. Nxf5 exf5 38. Rc1 Kg8 39. Be2 Ng6 40. Qg3 Qe6 41. Rg1 Kh7 42. Bh5 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2008.10.14"]
[Round "1"]
[White "Kvitko, Denis"]
[Black "Kohler, Otto"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1490"]
[BlackElo "1887"]
[PlyCount "81"]
[EventDate "2008.10.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bd3 Qb6 8. 0-0 cxd4 9. cxd4 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Re1 Bc5 13. Qe2 a6 14. Bf4 Be7 15. Rac1 0-0 16. Ng5 Bxg5 17. Bxg5 f5 18. exf6 Nxf6 19. Bb1 Bd7 20. Qd3 g6 21. Bh6 Rf7 22. Qg3 Nh5 23. Qh4 Qxb2 24. Be3 Re8 25. Bd4 Qd2 26. Be3 Qa5 27. g4 Ng7 28. Bd4 Qa4 29. Be5 Rf4 30. h3 Rf7 31. Qg5 Qb4 32. h4 Qe7 33. Qh6 Bc6 34. h5 Qh4 35. f3 d4 36. Re4 Bxe4 37. Bxe4 Rd7 38. Kg2 d3 39. Bxd3 Nxh5 40. gxh5 Qxh5 41. Qe3 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2007.11.09"]
[Round "4"]
[White "Bigott, Martin"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2037"]
[BlackElo "1891"]
[PlyCount "70"]
[EventDate "2007.10.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Qg4 Qe5+ 7. Be2 Nf6 8. Qc4 Nc6 9. Ngf3 Qd5 10. 0-0 0-0 11. c3 a6 12. a4 Ba7 13. Qh4 b5 14. Ng5 Ne5 15. Ndf3 Ng6 16. Qb4 Bb7 17. Rd1 Qc6 18. Bd2 bxa4 19. Qxa4 Qc7 20. Nd4 h6 21. Ngxe6 fxe6 22. Nxe6 Qb6 23. Nd4 Nd5 24. Qc2 Qf6 25. Rf1 Rae8 26. Bc4 Kh8 27. Qb3 Bxd4 28. cxd4 Nb6 29. Bxa6 Bd5 30. Qg3 Nh4 31. Bb4 Bxg2 32. Bxf8 Rxf8 33. Rfc1 Bd5 34. Be2 Qxd4 35. b4 Qe4 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2007.10.23"]
[Round "2"]
[White "Witte, Thomas"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1861"]
[BlackElo "1891"]
[PlyCount "56"]
[EventDate "2007.10.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. b4 cxb4 8. cxb4 Rc8 9. Bb2 Nh6 10. Bd3 Na5 11. Nbd2 Be7 12. h4 Nc4 13. Bxc4 dxc4 14. Rc1 Qa6 15. Rc3 0-0 16. Ng5 Qb5 17. Qc2 g6 18. h5 Bxg5 19. hxg6 fxg6 20. Ne4 Rf5 21. Nxg5 Rxg5 22. Rxh6 Rxg2 23. Rch3 Rg1+ 24. Kd2 c3+ 25. Bxc3 Qf1 26. Ke3 Bb5 27. Rxh7 Rxc3+ 28. Qxc3 Qe2+ 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2007.10.16"]
[Round "1"]
[White "Kohler, Otto"]
[Black "Bonus, Christian"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1891"]
[BlackElo "1439"]
[PlyCount "76"]
[EventDate "2007.10.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 Bb4+ 5. Nc3 Nf6 6. Bd3 0-0 7. Nge2 Nc6 8. 0-0 h6 9. Be3 Ng4 10. Bd2 e5 11. d5 Ne7 12. Nf4 d6 13. Nh5 Bc5 14. h3 Nxf2 15. Rxf2 Ng6 16. Qf3 Qb6 17. Raf1 Qxb2 18. Na4 Bxf2+ 19. Rxf2 Qxa2 20. Bxh6 Qa1+ 21. Kh2 f5 22. Qg3 Qxa4 23. Qxg6 Qd7 24. Rxf5 Rxf5 25. exf5 Qf7 26. Qxg7+ Qxg7 27. Bxg7 a5 28. f6 Kf7 29. Ng3 a4 30. Bc4 a3 31. Ba2 Ra4 32. Ne2 Rb4 33. Nc3 Bf5 34. g4 Bd3 35. g5 e4 36. Kg3 e3 37. Kf3 e2 38. Kf2 Rf4+ 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2006.12.05"]
[Round "7"]
[White "Lamprecht, Mark"]
[Black "Kohler, Otto"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2104"]
[BlackElo "1867"]
[PlyCount "75"]
[EventDate "2006.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 g6 4. Nc3 Bg7 5. e4 Nc6 6. Nge2 0-0 7. 0-0 a6 8. d3 Rb8 9. a4 d6 10. h3 Bd7 11. Be3 h5 12. Kh2 Nh7 13. d4 cxd4 14. Nxd4 Nxd4 15. Bxd4 Be6 16. Bxg7 Kxg7 17. Qd4+ f6 18. f4 Bg8 19. Rad1 Qa5 20. Rf2 Rfc8 21. b3 Nf8 22. Nd5 Qd8 23. e5 Ne6 24. exf6+ exf6 25. Qe3 f5 26. Qc3+ Kh6 27. a5 Bf7 28. Rfd2 Qf8 29. g4 fxg4 30. hxg4 hxg4 31. Kg3 Ng7 32. Nf6 Be6 33. Rh1+ Nh5+ 34. Nxh5 gxh5 35. Be4 Bf5 36. Bxf5 Qxf5 37. Rd5 Qxd5 38. Qf6+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2006.11.28"]
[Round "6"]
[White "Kohler, Otto"]
[Black "Lorenz, Steffen"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1867"]
[BlackElo "1802"]
[PlyCount "48"]
[EventDate "2006.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nc3 Bc5 5. Ne4 Qh4 6. Nh3 Bb4+ 7. Bd2 Ne3 8. Qb1 Bxd2+ 9. Nxd2 Nxc4 10. Qc2 Nxd2 11. Qxd2 0-0 12. Nf4 Nc6 13. g3 Qe7 14. Nd5 Qxe5 15. Bg2 b6 16. 0-0 Bb7 17. f4 Qd6 18. Rad1 Qc5+ 19. Qe3 Qxe3+ 20. Nxe3 Rfe8 21. Rxd7 Rxe3 22. Rxc7 Rb8 23. Bxc6 Bxc6 24. Rxc6 Rxe2 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2006.11.21"]
[Round "5"]
[White "Kohler, Otto"]
[Black "Kamphausen, Johannes Dieter"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1867"]
[BlackElo "1808"]
[PlyCount "45"]
[EventDate "2006.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. g3 d6 4. d4 dxe5 5. dxe5 Nc6 6. Bg2 Be6 7. f4 g6 8. Nf3 Ndb4 9. Qe2 Bf5 10. Na3 e6 11. Be3 Nd5 12. Rd1 Bxa3 13. bxa3 Qe7 14. Nd4 Bg4 15. Qxg4 Nxe3 16. Bxc6+ bxc6 17. Qf3 Nxd1 18. Qxc6+ Kf8 19. Qxa8+ Kg7 20. Qxa7 Nc3 21. 0-0 Rd8 22. Nc6 Ne2+ 23. Kf2 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2006.11.14"]
[Round "4"]
[White "Bigott, Martin"]
[Black "Kohler, Otto"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1680"]
[BlackElo "1867"]
[PlyCount "63"]
[EventDate "2006.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. c3 e6 4. Bg5 d5 5. e3 Nc6 6. Nbd2 cxd4 7. exd4 Be7 8. Bd3 0-0 9. Qc2 g6 10. Ne5 Nxe5 11. dxe5 Nh5 12. Bh6 Ng7 13. f4 f5 14. Nf3 b5 15. Bxb5 Rb8 16. Be2 Qb6 17. 0-0-0 Bd7 18. Nd4 Rfc8 19. h4 Ba4 20. b3 Ba3+ 21. Kb1 Nh5 22. Bxh5 gxh5 23. Rh3 Be8 24. Rg3+ Bg6 25. Qe2 Kf7 26. Bg5 a5 27. Ka1 Bf8 28. a4 Bc5 29. Nb5 Rc6 30. Kb2 Kg7 31. Bf6+ Kf7 32. Rgd3 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2006.11.07"]
[Round "3"]
[White "Kohler, Otto"]
[Black "Moews, Thomas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1867"]
[BlackElo "1726"]
[PlyCount "67"]
[EventDate "2006.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 f6 6. Bd3 fxe5 7. Nxe5 Nxe5 8. dxe5 g6 9. 0-0 Bh6 10. Nd2 Qc7 11. f4 Ne7 12. Qg4 Bd7 13. Qh4 Bg7 14. c4 d4 15. b4 b6 16. b5 Bc8 17. Qh3 0-0 18. Ne4 Nf5 19. Bd2 Bb7 20. Ng5 Bh8 21. Nxe6 Qe7 22. Nxf8 Rxf8 23. a4 Bc8 24. Qf3 Nh6 25. a5 Bg4 26. Qg3 Be6 27. axb6 axb6 28. Qe1 Qf7 29. f5 Nxf5 30. g4 Bxc4 31. Bxc4 Qxc4 32. gxf5 gxf5 33. Qg3+ Bg7 34. Ra7 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2006.10.31"]
[Round "2"]
[White "Both, David"]
[Black "Kohler, Otto"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1761"]
[BlackElo "1867"]
[PlyCount "61"]
[EventDate "2006.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 a6 5. Ngf3 Nf6 6. e5 Nfd7 7. Bd3 Nc6 8. Bc2 Be7 9. 0-0 0-0 10. Re1 b5 11. Nf1 f5 12. exf6 Nxf6 13. Ng5 cxd4 14. cxd4 e5 15. dxe5 Ng4 16. e6 Bxg5 17. Qxg4 Bxc1 18. Raxc1 Qf6 19. Qf5 Qxf5 20. Bxf5 Ne7 21. Bh3 Rf6 22. Re5 a5 23. Rc7 Kf8 24. Ne3 d4 25. Nf5 Rxe6 26. Rxe7 Rxe7 27. Nxe7 Bxh3 28. gxh3 Re8 29. Nc6 d3 30. Rxe8+ Kxe8 31. Kf1 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2006.10.24"]
[Round "1"]
[White "Kohler, Otto"]
[Black "Lingenover, Nico"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1867"]
[BlackElo "1600"]
[PlyCount "33"]
[EventDate "2006.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nc3 d6 6. Nf3 Be7 7. Bd3 a6 8. 0-0 Nf6 9. Qe2 0-0 10. e5 dxe5 11. dxe5 Nd7 12. Rd1 h6 13. Bf4 Qc7 14. Rac1 Nc5 15. Bb1 b5 16. Ne4 Nxe4 17. Qxe4 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2005.12.06"]
[Round "7.9"]
[White "Kohler, Otto"]
[Black "Mertens, Etienne Andreas"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1838"]
[BlackElo "1659"]
[PlyCount "133"]
[EventDate "2005.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 a6 6. Bd3 cxd4 7. cxd4 Bb4+ 8. Nc3 h6 9. 0-0 Nge7 10. a3 Ba5 11. b4 Bb6 12. Bb1 Bd7 13. Ra2 Rc8 14. Ne2 Na7 15. Nf4 g6 16. h4 Nb5 17. Bb2 Rc7 18. h5 g5 19. Ne2 Rc8 20. a4 Nc7 21. Nh2 Ba7 22. Ng4 Ng8 23. Kh2 Na8 24. g3 Nb6 25. f4 Qe7 26. a5 Nc4 27. Bc3 Kd8 28. f5 Kc7 29. f6 Qe8 30. Rf3 Bb5 31. Nc1 Kb8 32. Be1 Ka8 33. Bc2 Qd7 34. Nb3 Qc6 35. Nc5 Rc7 36. Ne3 Qe8 37. g4 Qd8 38. Nf1 Qe8 39. Nd2 Qc8 40. Nb1 Qd8 41. Nc3 Be8 42. Qa1 Kb8 43. Qb1 Ka8 44. Ba4 Qc8 45. Bxe8 Qxe8 46. N3a4 Qb5 47. Rb3 Kb8 48. Nc3 Qe8 49. Bf2 Ka8 50. b5 Bxc5 51. dxc5 Nxe5 52. Bg3 Nxf6 53. bxa6 Nfxg4+ 54. Kg1 bxa6 55. Rb6 Qc8 56. Qf1 Ra7 57. Na4 f6 58. Rab2 Nd7 59. c6 Nde5 60. Rb8+ Qxb8 61. Rxb8+ Kxb8 62. Qb1+ Kc7 63. Qb6+ Kd6 64. Bxe5+ Nxe5 65. c7+ Kd7 66. Qxa7 Rc8 67. Nb6+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2005.11.29"]
[Round "6.6"]
[White "Schwarz, Andreas"]
[Black "Kohler, Otto"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1935"]
[BlackElo "1838"]
[PlyCount "57"]
[EventDate "2005.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 Nc6 4. Nc3 g6 5. Nf3 d6 6. Be2 Bg7 7. d5 Na5 8. Bd2 0-0 9. a3 Qb6 10. b4 cxb4 11. axb4 Nxc4 12. Bxc4 Qxb4 13. Bd3 Qg4 14. 0-0 Bd7 15. Be2 Rfc8 16. Ne5 Qh4 17. Nxd7 Nxd7 18. Ra4 Qh6 19. e4 g5 20. Bg4 f5 21. Bxf5 Be5 22. g3 Nf6 23. f4 gxf4 24. Ne2 b5 25. gxf4 Bb2 26. Ra2 Kh8 27. Rxb2 Rg8+ 28. Kh1 Ng4 29. Bc3+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2005.11.22"]
[Round "5.10"]
[White "Ziabari, Morteza"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1776"]
[BlackElo "1838"]
[PlyCount "94"]
[EventDate "2005.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Nb4 9. Nc3 Nxc2+ 10. Qxc2 Rc8 11. 0-0 Ne7 12. Be3 Nc6 13. a3 Na5 14. b4 Nc4 15. Qb3 Be7 16. Na4 Qb5 17. Nc5 b6 18. a4 Qc6 19. b5 Qc7 20. Na6 Qb7 21. Nd2 0-0 22. Rfc1 Nxe3 23. Qxe3 f6 24. Nf3 f5 25. h3 Rxc1+ 26. Rxc1 Rc8 27. Ne1 h6 28. Nd3 g5 29. Nab4 Rc4 30. Na6 Qc8 31. g4 f4 32. Qd2 Be8 33. Rxc4 Qxc4 34. Nb2 Qb3 35. Kg2 Bg6 36. f3 Ba3 37. Nd1 Qxa4 38. Nc3 Qb3 39. Kf2 Qb2 40. Ke2 Qa1 41. Nd1 Qb1 42. Nc7 Kf7 43. Qc3 Bb4 44. Qb2 Bd3+ 45. Kf2 Qxd1 46. Kg2 Qf1+ 47. Kh2 Be1 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2005.11.15"]
[Round "4.5"]
[White "Kohler, Otto"]
[Black "Akstinat, Sven Holger"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1838"]
[BlackElo "1971"]
[PlyCount "78"]
[EventDate "2005.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Nc6 7. c4 Qd7 8. Nc3 0-0-0 9. Qa4 Kb8 10. d5 exd5 11. cxd5 Bxf3 12. Bxf3 Ne5 13. Bd1 Qxa4 14. Bxa4 Nd3 15. Bg5 Be7 16. Bb5 Nxd5 17. Ne4 Ne5 18. Rfe1 c6 19. Bf1 Bxg5 20. Nxg5 f6 21. Ne6 Rde8 22. Nc5 Re7 23. a4 Rhe8 24. Red1 b6 25. Nb3 a5 26. Rac1 Kb7 27. Nd4 Rd8 28. g3 Nb4 29. Nf5 Red7 30. Rxd7+ Rxd7 31. Bg2 g6 32. Ne3 Rd2 33. f4 Ned3 34. Rd1 Rxd1+ 35. Nxd1 Nc5 36. g4 Nxa4 37. h4 Nd3 38. g5 f5 39. Nc3 Nxc3 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2005.11.08"]
[Round "3.8"]
[White "Moehring, Norbert"]
[Black "Kohler, Otto"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1946"]
[BlackElo "1838"]
[PlyCount "162"]
[EventDate "2005.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. b4 e6 2. Bb2 Nf6 3. b5 c5 4. e3 d5 5. c4 b6 6. Be2 Bb7 7. Nc3 d4 8. exd4 cxd4 9. Na4 Bxg2 10. Bf3 Bxh1 11. Bxh1 Nbd7 12. Bxa8 Qxa8 13. Qf3 Qxf3 14. Nxf3 e5 15. Bc1 Bd6 16. Nb2 Nc5 17. d3 0-0 18. Nd2 Re8 19. f3 Nh5 20. Ne4 Nxe4 21. fxe4 Re6 22. a4 Rg6 23. Kf2 Bb4 24. a5 bxa5 25. Na4 Kf8 26. c5 Ke8 27. Ra2 a6 28. b6 Kd7 29. Rc2 Kc6 30. Nb2 Nf6 31. Nc4 Nd7 32. Ba3 Bc3 33. Bb2 Rh6 34. Kg2 Bb4 35. Ba3 Rg6+ 36. Kf3 Rf6+ 37. Kg2 Bc3 38. Bb2 Be1 39. Kg1 Re6 40. Kf1 Bb4 41. Ba3 Bxa3 42. Nxa3 Nxc5 43. Nc4 Kb7 44. Ke2 Na4 45. Kd2 f6 46. Ra2 Nxb6 47. Nxa5+ Ka7 48. Rc2 Na4 49. Rc8 g6 50. Nc4 Re7 51. Rf8 Nb6 52. Na5 Nd7 53. Rd8 Kb6 54. Nc4+ Kb5 55. Ra8 Nc5 56. Nd6+ Ka4 57. Nc4 Rb7 58. Rf8 Kb4 59. Nd6 Rb6 60. Nc4 Nb3+ 61. Kc2 Rb7 62. Rxf6 a5 63. Nxe5 Nc5 64. Rf1 a4 65. Rb1+ Nb3 66. Nc6+ Kc5 67. Ne5 Rc7 68. Kb2 Kb4 69. Nc4 Rf7 70. Ka2 Rf2+ 71. Rb2 Rf1 72. Rb1 Rxb1 73. Kxb1 Kc3 74. e5 Nc5 75. Nb2 Ne6 76. Ka2 Kb4 77. Kb1 a3 78. Nc4 Kc3 79. Nxa3 Kxd3 80. Kc1 Ke2 81. Nb1 g5 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2005.10.25"]
[Round "2.3"]
[White "Kohler, Otto"]
[Black "Schott, Guido"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "1838"]
[BlackElo "2088"]
[PlyCount "67"]
[EventDate "2005.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bc4 Bf5 7. Nf3 e6 8. Bf4 Bd6 9. Bg3 Qc7 10. Qe2 Nd7 11. Nh4 Bxg3 12. hxg3 0-0-0 13. 0-0-0 Bg6 14. Nxg6 hxg6 15. Kb1 f5 16. Bb3 Qd6 17. Rxh8 Rxh8 18. c4 Nf6 19. Qe1 Rd8 20. Qc3 Ne4 21. Qe3 c5 22. d5 e5 23. Re1 Re8 24. Ba4 Re7 25. Rh1 Nf6 26. Rh8+ Kc7 27. b4 b6 28. Bc6 cxb4 29. Ra8 Qc5 30. Rxa7+ Kd8 31. Ra8+ Kc7 32. Qh6 Qxc4 33. Ra7+ Kd6 34. Qf8 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2005.10.18"]
[Round "1.21"]
[White "Kohler, Otto"]
[Black "Stolz, Peter"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1838"]
[BlackElo "1318"]
[PlyCount "43"]
[EventDate "2005.10.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 e6 4. Nf3 Nc6 5. Be3 Nge7 6. Bd3 0-0 7. 0-0 d6 8. c3 a6 9. Nbd2 b5 10. Qe1 d5 11. e5 b4 12. Nh4 bxc3 13. bxc3 Nf5 14. Bf2 Bh6 15. Nxf5 exf5 16. Bh4 Qe8 17. Bf6 Bg7 18. Qh4 Be6 19. Rf3 Rb8 20. Rh3 h5 21. Qg5 Bxf6 22. exf6 1-0

