[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.27"]
[Round "6"]
[White "Koehn, Matthias"]
[Black "Lanz, Udo"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1935"]
[BlackElo "1762"]
[PlyCount "43"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 e6 5. d3 Ne7 6. g3 d5 7. Bd2 0-0 8. Bg2 d4 9. Ne2 b5 10. 0-0 Bb7 11. g4 Nbc6 12. Ng3 a5 13. h4 c4 14. h5 Rc8 15. a3 Qb6 16. Nh4 Ba6 17. f5 Be5 18. Kh2 Kh8 19. Bh6 Rg8 20. f6 gxh5 21. Bg7+ Rxg7 22. fxg7+ 1-0

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.27"]
[Round "7"]
[White "Kolker, Vladislav"]
[Black "Koehn, Matthias"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2044"]
[BlackElo "1935"]
[PlyCount "109"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. e5 dxe5 7. dxe5 Qxd1+ 8. Kxd1 Ng4 9. Ke1 Nc6 10. h3 Nb4 11. Bd3 Bf5 12. hxg4 Bxd3 13. cxd3 Nc2+ 14. Kd1 Nxa1 15. Be3 Rad8 16. Kd2 Nb3+ 17. axb3 f6 18. Kc2 fxe5 19. fxe5 a5 20. Ne4 Rd5 21. d4 Rc8 22. Nfg5 c5 23. dxc5 Rxe5 24. Bf4 Rd5 25. Rxh7 Bf6 26. Rh3 Bxg5 27. Bxg5 Rxg5 28. Nxg5 Rxc5+ 29. Rc3 Rxg5 30. Rc4 Kf7 31. b4 axb4 32. Rxb4 b5 33. Re4 Rd5 34. b4 Kf6 35. g3 e5 36. Kc3 Rd1 37. Re2 Rc1+ 38. Kb3 Rc4 39. g5+ Kf5 40. Ra2 Rg4 41. Ra5 Rxg3+ 42. Kc2 Kxg5 43. Rxb5 Kf4 44. Rb8 e4 45. Rf8+ Ke3 46. b5 Rg5 47. b6 Rb5 48. Rf6 g5 49. Rg6 Ke2 50. Kc3 e3 51. Kc4 Rb1 52. Kc5 Kf3 53. Rxg5 e2 54. Re5 Ra1 55. Rxe2 1/2-1/2

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.26"]
[Round "4"]
[White "Koehn, Matthias"]
[Black "Weidel, Albrecht"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1935"]
[BlackElo "2108"]
[PlyCount "49"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 a6 4. Nf3 Nc6 5. d3 e5 6. f5 g6 7. g4 h5 8. fxg6 fxg6 9. g5 Nge7 10. Bg2 Be6 11. Nh4 Qd7 12. 0-0 Bg7 13. Nd5 Bg4 14. Bf3 Nxd5 15. Nxg6 Nde7 16. Nxh8 Bxh8 17. h3 Bxf3 18. Qxf3 0-0-0 19. c3 d5 20. Be3 d4 21. Bd2 dxc3 22. Bxc3 Qxd3 23. Qxh5 Qxe4 24. Rad1 Nd4 25. Rf2 1/2-1/2

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.26"]
[Round "5"]
[White "Koellner, Christof"]
[Black "Koehn, Matthias"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2105"]
[BlackElo "1935"]
[PlyCount "107"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Nbd2 d6 4. c3 Nc6 5. e4 e5 6. dxe5 dxe5 7. Bc4 Qe7 8. 0-0 h6 9. b4 Be6 10. Qe2 Bxc4 11. Nxc4 Qe6 12. a4 Nge7 13. Nfd2 0-0 14. Nb3 Rae8 15. Be3 f5 16. f3 f4 17. Bf2 g5 18. b5 Nd8 19. Nc5 Qc8 20. Rfd1 Ng6 21. Qd3 b6 22. Qd5+ Rf7 23. Na6 Qe6 24. Nb4 Bf8 25. Qxe6 Nxe6 26. Nc6 Nc5 27. Rd5 g4 28. N4xe5 Nxe5 29. Nxe5 Rg7 30. Nxg4 Nxe4 31. Nxh6+ Kh7 32. fxe4 Kxh6 33. Re1 Rge7 34. e5 Kg6 35. g3 fxg3 36. Bxg3 Re6 37. Rf1 Bc5+ 38. Kg2 R8e7 39. Rd8 c6 40. Rg8+ Kh7 41. Rg4 cxb5 42. axb5 Rd7 43. Bf4 Rd3 44. Rf3 Rxf3 45. Kxf3 Re7 46. Ke4 Bf2 47. Bg3 Bc5 48. Bh4 Rd7 49. Bf6 Rd2 50. h4 Ra2 51. Kf5 a5 52. bxa6 Rxa6 53. Rg5 Ra4 54. Rh5+ 1-0

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.25"]
[Round "2"]
[White "Koehn, Matthias"]
[Black "Klein, Joachim"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1935"]
[BlackElo "2170"]
[PlyCount "141"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 c6 3. f4 d5 4. d3 Bg7 5. Bd2 Na6 6. g3 Nf6 7. Bg2 0-0 8. Nf3 dxe4 9. dxe4 Nc5 10. Qe2 b5 11. a3 Be6 12. Ne5 Qc7 13. 0-0 Nfd7 14. Nd3 Rfd8 15. Nxc5 Nxc5 16. Rfd1 Bd4+ 17. Kh1 Rd7 18. Qe1 Bg4 19. Rdc1 Rad8 20. Be3 e5 21. f5 gxf5 22. h3 Bh5 23. exf5 f6 24. g4 Bf7 25. b4 Bxc3 26. Qxc3 Na4 27. Qxc6 Qxc6 28. Bxc6 Rc7 29. Bxb5 Nc3 30. Bd3 Bd5+ 31. Kg1 h5 32. Kf2 hxg4 33. Rg1 Rh7 34. Rxg4+ Kf7 35. h4 Rd7 36. Bd2 Rc7 37. Bxc3 Rxc3 38. Ke2 Kf8 39. Kd2 Rcc7 40. c4 Bf3 41. Rg3 e4 42. Rxf3 exf3 43. Rh1 Rcd7 44. Ke3 f2 45. Be2 Rhe7+ 46. Kxf2 Rd2 47. Re1 Ra2 48. Kf1 Rxa3 49. Bd1 Rh3 50. Rxe7 Kxe7 51. h5 Rh4 52. Be2 Rf4+ 53. Kg2 Rxf5 54. Kg3 Kf7 55. Bf3 Re5 56. Kf4 Re1 57. b5 Rc1 58. Bd5+ Kg7 59. Ke3 Kh6 60. Kd2 Rf1 61. Bf7 Rf5 62. Ke3 Re5+ 63. Kd4 Re7 64. Bg6 Kg5 65. c5 f5 66. c6 f4 67. Kd5 f3 68. Kd6 Re3 69. c7 Rc3 70. Be4 f2 71. Bg2 1-0

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.25"]
[Round "3"]
[White "Pohle, Dirk"]
[Black "Koehn, Matthias"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2180"]
[BlackElo "1935"]
[PlyCount "120"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nc6 5. Be3 e5 6. Nge2 Nf6 7. f3 exd4 8. Nxd4 0-0 9. 0-0 h6 10. a3 Bd7 11. Qd2 Kh7 12. Rad1 a6 13. Rfe1 Ne5 14. Ba2 Nh5 15. f4 Ng4 16. Nf3 Nxe3 17. Qxe3 Bxc3 18. bxc3 Qf6 19. g3 Bg4 20. Rd3 Rae8 21. Qd4 Qg7 22. Rde3 Re7 23. Kf2 Rfe8 24. Bc4 Nf6 25. e5 dxe5 26. fxe5 Rd7 27. Qf4 g5 28. Qxf6 Red8 29. Qxg7+ Kxg7 30. e6 fxe6 31. Bxe6 Bxe6 32. Rxe6 Rf7 33. Kg2 g4 34. Nh4 Rd2+ 35. R6e2 Rfd7 36. Nf5+ Kg6 37. Ne3 Kg5 38. Nc4 R2d5 39. Re5+ Kf6 40. Rf1+ Kg6 41. Rxd5 Rxd5 42. Ne3 Rc5 43. c4 h5 44. Rb1 b6 45. Kf2 Kf6 46. Rd1 Ra5 47. Rd3 Ke5 48. Ke2 Ke4 49. Nd5 Rc5 50. Nc3+ Ke5 51. Rd5+ Rxd5 52. Nxd5 Kd4 53. Nxc7 a5 54. Kd2 Kxc4 55. Ne6 b5 56. Nf4 b4 57. axb4 a4 58. Kc1 Kxb4 59. Kb2 a3+ 60. Ka2 Kc3 1-0

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.24"]
[Round "1"]
[White "Wuest, Carolin"]
[Black "Koehn, Matthias"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1566"]
[BlackElo "1935"]
[PlyCount "64"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 Nc6 5. 0-0 Bg4 6. c3 Qc8 7. Nbd2 Nf6 8. Re1 0-0 9. Qc2 e5 10. dxe5 dxe5 11. e4 h6 12. Nc4 Re8 13. Ne3 Bh3 14. b3 Nh5 15. Bb2 Bxg2 16. Kxg2 Qe6 17. Rad1 Rad8 18. Ba3 Bf8 19. Bxf8 Rxf8 20. Rd5 f5 21. Rxd8 Nxd8 22. Nc4 Nc6 23. exf5 Rxf5 24. Qe2 Qd5 25. Rd1 Qe6 26. Re1 Ne7 27. Ncxe5 Nd5 28. c4 Ndf4+ 29. gxf4 Nxf4+ 30. Kf1 Rxe5 31. Qxe5 Qh3+ 32. Kg1 Qg2# 0-1

