[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.29"]
[Round "7"]
[White "Koehler, Karl Heinz"]
[Black "Ziegenfuss, Antonia"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "81"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Nc6 4. c3 Be7 5. d3 Nf6 6. Qb3 0-0 7. Ng5 Be6 8. Bxe6 fxe6 9. Nxe6 Qe8 10. Nxc7+ Qf7 11. Qxb7 Rab8 12. Qxc6 Rb6 13. Qa4 Ng4 14. f3 Bh4+ 15. Kd2 Nf2 16. Rf1 Qxc7 17. g3 Bg5+ 18. Kc2 Nh3 19. Bxg5 Nxg5 20. Na3 Rfb8 21. b4 Rc8 22. Qb3+ Ne6 23. Nc4 Nc5 24. Qa3 Ra6 25. Qc1 Na4 26. f4 d5 27. exd5 e4 28. Qd2 exd3+ 29. Qxd3 Rc6 30. dxc6 Rd8 31. Qf3 a5 32. b5 Nc5 33. Rad1 Re8 34. Qd5+ Kh8 35. Qxc5 Qf7 36. Rfe1 Qg6+ 37. Kb3 Ra8 38. h4 Qxg3 39. c7 Rc8 40. Rd8+ Rxd8 41. cxd8Q# 1-0

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.29"]
[Round "6"]
[White "Staubesandt, Paul"]
[Black "Koehler, Karl Heinz"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "39"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 g6 3. Nf3 Bg7 4. g3 Nf6 5. Bg2 c5 6. d4 Nbd7 7. dxc5 Nxc5 8. 0-0 Be6 9. Nd4 Bxc4 10. Na4 Nce4 11. Qc2 Bd5 12. Nb5 0-0 13. Nc7 Rc8 14. Qd3 Rxc7 15. b3 e6 16. Ba3 Ne8 17. Rac1 N8f6 18. Bb2 a6 19. Qd4 Nd7 20. Qxg7# 1-0

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.28"]
[Round "4"]
[White "Happel, Janik"]
[Black "Koehler, Karl Heinz"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "39"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 g6 3. e3 e6 4. c4 Be7 5. Nc3 Nf6 6. a3 c6 7. c5 Nbd7 8. b4 a6 9. Be2 b6 10. Bd2 Qc7 11. 0-0 0-0 12. h3 Bb7 13. Rb1 Bd8 14. Ra1 Qc8 15. Nh2 Bc7 16. g3 Bd8 17. h4 Qc7 18. Ng4 Nh5 19. Nh6+ Kh8 20. Bxh5 1/2-1/2

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.28"]
[Round "5"]
[White "Koehler, Karl Heinz"]
[Black "Nehren, Patrick"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "153"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Nxe4 5. d3 Nf6 6. Nc3 Bb4 7. Bd2 0-0 8. a3 Ba5 9. b4 Bb6 10. Rb1 d5 11. Bb3 Nd4 12. Nxe5 Nxb3 13. Rxb3 Qe7 14. Nf3 Bg4 15. Na4 Qe6 16. Nxb6 Qxb6 17. Be3 Qc6 18. h3 Bxf3 19. gxf3 Qd6 20. Bc5 Qe6 21. Bxf8 Rxf8 22. Kg2 c6 23. Re1 Qd7 24. d4 Nh5 25. Rbe3 g6 26. Re7 Qc8 27. Qd2 Nf6 28. Qf4 Nh5 29. Qc7 Qxc7 30. Rxc7 Nf4+ 31. Kg3 Nh5+ 32. Kh2 Rb8 33. Ree7 Rf8 34. Rxb7 a6 35. Rbc7 Nf6 36. Rxc6 Re8 37. Rcc7 Rxe7 38. Rxe7 Kf8 39. Ra7 Ke8 40. Rxa6 Kd7 41. Rxf6 Ke7 42. Ra6 Kd7 43. b5 Kc7 44. Ra7+ Kb6 45. Rd7 Kxb5 46. Rxd5+ Kc4 47. Rd7 Kb5 48. Rxf7 Kc4 49. Rd7 Kb5 50. d5 Kc4 51. a4 Kb4 52. a5 Kxa5 53. Rxh7 Kb5 54. d6 Kc6 55. d7 Kc7 56. Kg3 Kd8 57. c4 Kc7 58. c5 Kd8 59. Rh6 Kxd7 60. Rxg6 Kc7 61. h4 Kd7 62. h5 Ke7 63. c6 Kd8 64. h6 Ke7 65. c7 Kd7 66. h7 Kxc7 67. h8Q Kd7 68. Qg7+ Ke8 69. Re6+ Kd8 70. Rd6+ Ke8 71. Re6+ Kd8 72. Qf8+ Kd7 73. Qf7+ Kd8 74. Qe8+ Kc7 75. Rc6+ Kb7 76. Qc8+ Ka7 77. Ra6# 1-0

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.27"]
[Round "3"]
[White "Koehler, Karl Heinz"]
[Black "Chladek, Doris"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "46"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. d4 Nf6 4. e5 Nfd7 5. Nf3 a6 6. Bd3 Be7 7. 0-0 0-0 8. Bf4 b5 9. Qc1 c5 10. Nd1 Nc6 11. c3 Bb7 12. Bb1 Rc8 13. Qc2 g6 14. Ne3 cxd4 15. Ng4 dxc3 16. bxc3 f6 17. Qe2 fxe5 18. Bh6 Re8 19. Nfxe5 Ncxe5 20. Nxe5 Rxc3 21. Nxg6 hxg6 22. Bxg6 Nf8 23. Qg4 Rc4 1/2-1/2

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.27"]
[Round "1"]
[White "Koehler, Karl Heinz"]
[Black "Junkers, Guenter"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "62"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bg4 5. Bb5 a6 6. Bxc6+ bxc6 7. h3 Bf5 8. 0-0 e6 9. Bd2 Ne4 10. Nh4 Qxh4 11. Be1 Bd6 12. f3 Ng3 13. f4 Bxh3 14. Qd2 Bf5 15. Bxg3 Qxg3 16. Rf3 Qg6 17. Rc1 Rb8 18. b3 Ba3 19. Rcf1 Bxc2 20. Ne2 Bd3 21. Rg3 Bb4 22. Rd1 Bxd2 23. Rxg6 Bxg6 24. Rxd2 Rb4 25. Nc1 c5 26. dxc5 Re4 27. Re2 Rb4 28. Rd2 c6 29. a4 0-0 30. Na2 Rxb3 31. Nc1 Rxe3 0-1

[Event "Vellmar op-C 4th"]
[Site "Vellmar"]
[Date "2012.07.27"]
[Round "2"]
[White "Maar, Patricia"]
[Black "Koehler, Karl Heinz"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "64"]
[EventDate "2012.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. g3 Bg7 4. d3 c5 5. Bg2 Nc6 6. 0-0 Nf6 7. Bg5 Qb6 8. Nbd2 0-0 9. Nc4 Qc7 10. Qe1 b5 11. Na3 Be6 12. Nxb5 Qb6 13. a4 a6 14. Nc3 Qxb2 15. Qb1 Rab8 16. Bc1 Qb7 17. Nd2 Ne8 18. Nb3 Bxc3 19. Ra3 Bg7 20. Bd2 Qc8 21. Qe1 Nd4 22. Na5 Nxc2 23. Qc1 Nxa3 24. Qxa3 Rb2 25. Bc1 Rb8 26. Bf4 Nf6 27. e5 Nh5 28. exd6 Nxf4 29. gxf4 exd6 30. Bc6 Bh3 31. Re1 Qg4+ 32. Bg2 Qxg2# 0-1

