[Event "Eschborn op 08th"]
[Site "Eschborn"]
[Date "2011.05.18"]
[Round "5"]
[White "Yin, Stanley"]
[Black "Koehler, Stefan"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1990"]
[BlackElo "2072"]
[PlyCount "63"]
[EventDate "2011.05.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. g3 g6 2. c4 Nf6 3. Nc3 Bg7 4. Bg2 0-0 5. e3 d6 6. h3 e5 7. d4 Qe7 8. Nge2 c6 9. a3 Re8 10. 0-0 h5 11. b4 Be6 12. d5 cxd5 13. cxd5 Bd7 14. a4 Na6 15. Ba3 Rec8 16. Rc1 Nc7 17. b5 b6 18. Qd3 a6 19. e4 h4 20. Nd1 Bh6 21. Ne3 Nce8 22. Rxc8 Bxc8 23. Nc4 Nd7 24. f4 hxg3 25. Qxg3 exf4 26. Nxf4 Bg7 27. Qf2 Rb8 28. Nd3 Rb7 29. e5 Nxe5 30. Ncxe5 Bxe5 31. Nxe5 Qxe5 32. Re1 1-0

[Event "Eschborn op 08th"]
[Site "Eschborn"]
[Date "2011.05.15"]
[Round "4"]
[White "Koehler, Stefan"]
[Black "Izrailev, Alexander"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2072"]
[BlackElo "2295"]
[PlyCount "109"]
[EventDate "2011.05.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. 0-0 Bg4 6. h3 Bh5 7. Nbd2 Bc5 8. e4 0-0 9. c3 a5 10. a4 Re8 11. Re1 Qd7 12. Qb3 d4 13. c4 Nb4 14. Nh4 Ra6 15. Kh2 Rb6 16. Bf3 Bg6 17. Nb1 Be7 18. Qd1 Qd8 19. Nxg6 hxg6 20. Na3 Nd7 21. b3 Nc5 22. Be2 Bg5 23. Bxg5 Qxg5 24. Nb5 Qe7 25. Kg2 g5 26. Rh1 Rh6 27. Na3 g6 28. Nc2 Nxc2 29. Qxc2 Kg7 30. Rh2 Reh8 31. Rah1 f5 32. f3 Qd6 33. Bd1 Kf6 34. Qb1 Qb6 35. Bc2 Qb4 36. Qe1 Qb6 37. Qb1 R6h7 38. Qd1 Kg7 39. Qe2 Qd6 40. Qd2 f4 41. g4 Qb6 42. Rb1 Na6 43. Rbh1 Rh4 44. Rb1 Nb4 45. Rb2 Qc5 46. Qd1 Rb8 47. Qb1 c6 48. Rh1 Kf6 49. Qa1 Qe7 50. Rh2 Rbh8 51. Qe1 Qh7 52. Qh1 Qg7 53. Qa1 R8h7 54. Qe1 Qf8 55. Qc1 0-1

[Event "Eschborn op 08th"]
[Site "Eschborn"]
[Date "2011.05.14"]
[Round "2"]
[White "Koehler, Stefan"]
[Black "Erdmann, Stefan"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2072"]
[BlackElo "2180"]
[PlyCount "57"]
[EventDate "2011.05.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 d5 7. Nbd2 0-0 8. Re1 Qc7 9. c3 dxe4 10. dxe4 Rd8 11. Qe2 Nd7 12. Nc4 b5 13. Ne3 Qa5 14. e5 Nf8 15. Ng5 Bd7 16. e6 fxe6 17. Ng4 Rac8 18. Qf3 Be8 19. Nxe6 Nxe6 20. Rxe6 Bd7 21. Qd5 Kh8 22. Nh6 Bxe6 23. Qxe6 Rd1+ 24. Bf1 Bxh6 25. Bxh6 Rxf1+ 26. Rxf1 Qd8 27. Re1 Qg8 28. Qe4 Qxa2 29. Rd1 1-0

[Event "Eschborn op 08th"]
[Site "Eschborn"]
[Date "2011.05.14"]
[Round "3"]
[White "Kolker, Vladislav"]
[Black "Koehler, Stefan"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2104"]
[BlackElo "2072"]
[PlyCount "54"]
[EventDate "2011.05.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d6 5. Bg2 Nf6 6. 0-0 g6 7. Nc3 e5 8. Ne1 Bg7 9. f4 exf4 10. Bxf4 0-0 11. Qd2 Ng4 12. Rb1 Be6 13. Nf3 Nd4 14. h3 Nxf3+ 15. Bxf3 Ne5 16. Bg2 Qd7 17. Kh2 b5 18. a3 a5 19. Bh6 b4 20. Bxg7 Kxg7 21. axb4 axb4 22. Ne2 Ra2 23. Nc1 Ra5 24. c3 bxc3 25. bxc3 Rb5 26. Rxb5 Qxb5 27. d4 Qxf1 0-1

[Event "Eschborn op 08th"]
[Site "Eschborn"]
[Date "2011.05.13"]
[Round "1"]
[White "Ross, Norbert"]
[Black "Koehler, Stefan"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1517"]
[BlackElo "2072"]
[PlyCount "66"]
[EventDate "2011.05.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Na6 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxe4 11. Nxe4 f5 12. Nfd2 f4 13. Bg4 fxg3 14. hxg3 Nb4 15. Bxc8 Qxc8 16. a3 Nd3+ 17. Ke2 Nc5 18. b4 Nxe4 19. Nxe4 a5 20. Ke3 b5 21. c5 dxc5 22. Nxc5 Qf5 23. Ne4 g4 24. Qd3 h5 25. Qxb5 Bh6+ 26. Kd3 Rad8 27. Rae1 c6 28. Qxc6 Rf6 29. Qxf6 Rxd5+ 30. Kc2 Qc8+ 31. Nc5 Rxc5+ 32. bxc5 Qxc5+ 33. Kb3 Qb5+ 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.17"]
[Round "3"]
[White "Gohmann, Marc"]
[Black "Koehler, Stefan"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1933"]
[BlackElo "1975"]
[PlyCount "53"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. Nc3 Nc6 7. Be3 a6 8. 0-0 Be7 9. Nxc6 bxc6 10. f4 Qa5 11. Qf3 0-0 12. Rae1 e5 13. Bc4 Ng4 14. f5 Nxe3 15. Qxe3 d5 16. Qg3 Bc5+ 17. Kh1 dxc4 18. f6 g6 19. Qg5 Kh8 20. Rf3 Re8 21. g4 Qd8 22. Rh3 Bf8 23. Rf1 Bxg4 24. Qxg4 h6 25. Qg5 Kh7 26. Rff3 Re6 27. b3 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.11"]
[Round "6"]
[White "Hilbenz, Guntram"]
[Black "Koehler, Stefan"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1912"]
[BlackElo "1975"]
[PlyCount "94"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 Nbd7 7. d3 e5 8. Rb1 Nc5 9. b4 Ne6 10. b5 Nc5 11. Nd2 Bf5 12. Nb3 Nfd7 13. Ba3 Rb8 14. Nxc5 Nxc5 15. Na4 b6 16. Bxc5 dxc5 17. Nc3 Bc8 18. Qd2 Bb7 19. Bxb7 Rxb7 20. Nd5 a5 21. a4 Rb8 22. e4 Qd6 23. g4 f6 24. f3 Kf7 25. f4 exf4 26. Qxf4 Qxf4 27. Rxf4 Rbc8 28. g5 Ke6 29. gxf6 Bxf6 30. Rbf1 Bd4+ 31. Kg2 Rxf4 32. Rxf4 Be5 33. Rf3 h5 34. h3 Rg8 35. Kf2 Rg7 36. h4 Rf7 37. Rxf7 Kxf7 38. Kf3 Kg7 39. Ne7 Bf6 40. Nd5 Bxh4 41. Nxc7 Kf7 42. Nd5 Bd8 43. e5 h4 44. Nf6 Bxf6 45. exf6 Kxf6 46. d4 cxd4 47. c5 Ke6 0-1

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.11"]
[Round "7"]
[White "Koehler, Stefan"]
[Black "Hahn, Florian"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1975"]
[BlackElo "2043"]
[PlyCount "162"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 e6 2. d3 c5 3. e4 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 0-0 8. Nbd2 d6 9. a4 Rb8 10. Nc4 a6 11. Bf4 e5 12. Bg5 h6 13. Bd2 b5 14. axb5 axb5 15. Ne3 b4 16. Nc4 Be6 17. c3 Qd7 18. Be3 Kh7 19. Qd2 Rfd8 20. h4 bxc3 21. bxc3 Rb3 22. Qc2 Rdb8 23. Nfd2 R3b5 24. Reb1 Nc8 25. Rxb5 Rxb5 26. Qa4 Rb7 27. Rb1 Qc7 28. Bf3 Bd7 29. Rxb7 Qxb7 30. Qa3 Be6 31. Be2 Qd7 32. Qa6 Bf6 33. Nb6 Nxb6 34. Qxb6 Bd8 35. Qa6 Ba5 36. Bd1 Qc7 37. Nb1 Bc8 38. Qb5 Qb7 39. Qxb7 Bxb7 40. Kf1 Kg7 41. Ke2 h5 42. Kd2 Kf8 43. Na3 Ba6 44. Ba4 Nd4 45. Nb1 Ke7 46. Bd1 Bc8 47. Kc1 Nb5 48. Kb2 Be6 49. Ba4 Nc7 50. Na3 Bb6 51. Nb5 Nxb5 52. Bxb5 Ba5 53. Bc6 Bb6 54. Ka3 Ba5 55. Bg5+ f6 56. Bd2 c4 57. dxc4 Bxc4 58. Ka4 Bb6 59. Kb4 Be2 60. Be1 Bc5+ 61. Kb3 Bd3 62. Bd5 Bb6 63. f3 Be3 64. Bc4 Bxc4+ 65. Kxc4 Ke6 66. Kd3 Bb6 67. c4 f5 68. Ke2 Bd8 69. Bf2 Ba5 70. Kd3 Bd8 71. Ba7 Ba5 72. Bf2 Bd8 73. Kc3 Ba5+ 74. Kb3 Bd8 75. Kb4 Bc7 76. Kb5 Bd8 77. Be1 Kd7 78. Bc3 fxe4 79. fxe4 g5 80. hxg5 Bxg5 81. c5 dxc5 1/2-1/2

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.10"]
[Round "5"]
[White "Koehler, Stefan"]
[Black "Willems, Matthias"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1975"]
[BlackElo "2071"]
[PlyCount "64"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 e5 3. d3 f5 4. e4 Nf6 5. Nbd2 Be7 6. Bg2 fxe4 7. dxe4 0-0 8. 0-0 Qe8 9. c3 Qh5 10. Qb3+ Kh8 11. Nh4 Na6 12. Nf5 Bd8 13. Qc2 Nc5 14. b4 Ne6 15. f3 Qf7 16. Re1 Nh5 17. a3 Bg5 18. Bb2 Bd7 19. Re2 Qg6 20. c4 a5 21. c5 axb4 22. cxd6 cxd6 23. Nc4 Ba4 24. Qd3 Nef4 25. gxf4 Nxf4 26. Qxd6 Nxe2+ 27. Kf2 Nf4 28. Bf1 Qh5 29. Bxe5 Qxh2+ 30. Ke1 Bh4+ 31. Nxh4 Qxh4+ 32. Kd2 Qf2+ 0-1

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.10"]
[Round "4"]
[White "Lahr, Markus"]
[Black "Koehler, Stefan"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "2006"]
[BlackElo "1975"]
[PlyCount "146"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. Nf3 d6 6. 0-0 e5 7. d3 Nbd7 8. Rb1 Re8 9. Nd2 a6 10. b4 Rb8 11. Nb3 b6 12. d4 Bb7 13. Bxb7 Rxb7 14. e3 e4 15. Qc2 c6 16. Nd2 d5 17. b5 cxb5 18. cxd5 Rc7 19. Qb3 Qc8 20. Bb2 Bf8 21. a3 h5 22. Rbc1 h4 23. Qa2 Bd6 24. Qb1 Rxc3 25. Rxc3 Qb8 26. Rfc1 hxg3 27. fxg3 Bxg3 28. Nf1 Bd6 29. Qc2 Nxd5 30. Rc8 Rxc8 31. Qxc8+ Qxc8 32. Rxc8+ Bf8 33. Rd8 N7f6 34. Kf2 Kg7 35. Ke2 Be7 36. Ra8 a5 37. h3 Nh5 38. Ra7 f5 39. Kd2 Kf6 40. Kc2 g5 41. Bc1 g4 42. hxg4 fxg4 43. Ra8 g3 44. Rg8 Bd6 45. Rg4 Kf5 46. Rg8 Ndf6 47. Nxg3+ Bxg3 48. Rd8 Ke6 49. Kb3 Bd6 50. a4 b4 51. Kc4 Ng7 52. Bb2 Nge8 53. Kb5 Bc7 54. Ra8 Kd7 55. Kc4 Nd6+ 56. Kb3 Nc8 57. Kc4 Ng4 58. Bc1 Bd6 59. Kd5 Nf6+ 60. Kc4 Kc7 61. Kb5 Kb7 62. Rxc8 Kxc8 63. Kxb6 Kd7 64. Kxa5 Kc6 65. Ka6 Nd5 66. a5 b3 67. Ka7 Nxe3 68. a6 Nc4 69. Ka8 e3 70. d5+ Kc7 71. Bxe3 b2 72. a7 b1Q 73. Bb6+ Nxb6# 0-1

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.09"]
[Round "2"]
[White "Koehler, Stefan"]
[Black "Goelz, Daniel"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1975"]
[BlackElo "2095"]
[PlyCount "102"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. Bg2 c6 4. 0-0 Bf5 5. d3 Qc8 6. Re1 g6 7. b3 Bg7 8. Bb2 0-0 9. Nbd2 h6 10. Rb1 a5 11. a4 Bh3 12. Bh1 Nbd7 13. e4 Qc7 14. e5 Ng4 15. exd6 exd6 16. Bxg7 Kxg7 17. Nc4 Ndf6 18. d4 Rae8 19. Qd3 Nd5 20. Nh4 Nb4 21. Qd2 d5 22. Nb2 Nf6 23. c3 Na6 24. Nd3 g5 25. Rxe8 Rxe8 26. Ng2 Ne4 27. Qb2 Bf5 28. Ne5 Nxc3 29. Rc1 Ne4 30. Ne3 Bh7 31. Nxd5 Qd6 32. Ne3 Nb4 33. Rd1 f6 34. N5c4 Qc7 35. d5 cxd5 36. Nxd5 Nxd5 37. Rxd5 Nc5 38. Bf3 Re1+ 39. Kg2 g4 40. Bxg4 Be4+ 41. Bf3 Bxf3+ 42. Kxf3 Qc6 43. Qd2 Nxb3 44. Qxe1 Qxd5+ 45. Qe4 Qxc4 46. Qxb7+ Kg6 47. Qa7 Qxa4 48. g4 Qd4 49. Qa8 Nd2+ 50. Kg3 Ne4+ 51. Kh4 Qxf2+ 0-1

[Event "Karl Mala Memorial op 13th"]
[Site "Frankfurt"]
[Date "2010.07.08"]
[Round "1"]
[White "Koehler, Stefan"]
[Black "Neurohr, Juergen"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1975"]
[BlackElo "2096"]
[PlyCount "45"]
[EventDate "2010.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. g3 dxe4 6. dxe4 Bb7 7. Qe2 Nc6 8. Bg2 a5 9. 0-0 e5 10. Qb5 Nd7 11. Nc4 Na7 12. Qb3 Nc5 13. Qe3 f6 14. Qe2 Qd7 15. Nfxe5 fxe5 16. Nxe5 Qe6 17. Qh5+ g6 18. Nxg6 Rg8 19. Ne5+ Kd8 20. Bg5+ Be7 21. Rad1+ Kc8 22. Bh3 Rxg5 23. Qe8+ 1-0

