[Event "GER email"]
[Site "GER email"]
[Date "2014.12.13"]
[Round "1"]
[White "Lange, Steffen"]
[Black "Koehler, Christian"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "79"]
[EventDate "2016.??.??"]
[EventType "swiss (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Nf3 Nbd7 4. e4 dxe4 5. Ng5 e6 6. Ngxe4 Nxe4 7. Nxe4 Nf6 8. Bd3 Bd7 9. 0-0 Bc6 10. Ng5 Bd6 11. Nf3 0-0 12. Qe2 Nd7 13. Rd1 Kh8 14. c4 Bxf3 15. Qxf3 c6 16. Bd2 Qh4 17. g3 Qf6 18. Qh5 g6 19. Qh6 Qf3 20. Bf1 Nf6 21. Bg2 Qe2 22. Qh4 Ng4 23. Be1 f5 24. h3 Nf6 25. d5 cxd5 26. Bc3 e5 27. Rd2 g5 28. Qxg5 Qxc4 29. Rad1 d4 30. Bxd4 exd4 31. Rxd4 Qxa2 32. Rxd6 Qxb2 33. Qxf5 Rac8 34. R6d2 Qb6 35. Rb1 Qc5 36. Qxc5 Rxc5 37. Rxb7 a5 38. Ra7 Rc1+ 39. Kh2 Ra1 40. g4 1-0

[Event "IBCA WorldCup 1st"]
[Site "Segovia"]
[Date "1990.12.11"]
[Round "11.4"]
[White "Pakkanen, Esa"]
[Black "Koehler, Christian"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "17"]
[EventDate "1990.12.01"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. Bf4 Nbd7 6. Bd3 a6 7. Nbd2 c5 8. c3 0-0 9. Ne5 1/2-1/2

[Event "IBCA WorldCup 1st"]
[Site "Segovia"]
[Date "1990.12.08"]
[Round "8.4"]
[White "Koehler, Christian"]
[Black "Pichel Jallas, Juan Jose"]
[Result "0-1"]
[ECO "D14"]
[PlyCount "70"]
[EventDate "1990.12.01"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Bf5 6. Nf3 Nc6 7. e3 e6 8. Qb3 Qb6 9. Qxb6 axb6 10. Bb5 Bb4 11. Ne5 Rc8 12. 0-0 0-0 13. Na4 Na7 14. Be2 b5 15. Nb6 Rc2 16. a3 Ba5 17. Bd1 Bxb6 18. g4 Nxg4 19. Bxc2 Nxe5 20. Bxf5 Nf3+ 21. Kh1 exf5 22. Rac1 Nc6 23. Kg2 Nd2 24. Rg1 Re8 25. h4 h5 26. Kh3 g6 27. Rgd1 Ne4 28. Kg2 Bd8 29. Rd3 Bxh4 30. f3 Nf6 31. Rb3 b4 32. Rc5 bxa3 33. bxa3 Be1 34. Rxb7 Na5 35. Rcc7 Nxb7 0-1

[Event "IBCA WorldCup 1st"]
[Site "Segovia"]
[Date "1990.12.04"]
[Round "4.4"]
[White "Lahav, Yossi"]
[Black "Koehler, Christian"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "106"]
[EventDate "1990.12.01"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 cxd4 6. cxd4 Qb6 7. Nc3 Bd7 8. a3 Nge7 9. Na4 Qd8 10. Nc5 Nf5 11. Bg5 Qc7 12. b4 h6 13. Bh4 Bxc5 14. dxc5 Nxh4 15. Nxh4 Qxe5+ 16. Be2 Nd4 17. Ra2 Bb5 18. Nf3 Nxf3+ 19. gxf3 Bxe2 20. Qxe2 Qxe2+ 21. Rxe2 Kd7 22. f4 g5 23. fxg5 hxg5 24. Rg1 Rhg8 25. Rd2 Kc6 26. a4 f6 27. Rc2 a6 28. f3 Rh8 29. Rgg2 Rh4 30. Rg4 Rah8 31. Re2 e5 32. Rxh4 Rxh4 33. Rb2 Rh3 34. Rf2 Rh4 35. Rb2 g4 36. fxg4 Rxg4 37. Kf1 Rc4 38. Ke2 a5 39. bxa5 Kxc5 40. Rxb7 Rxa4 41. Rf7 Rxa5 42. Rxf6 Ra2+ 43. Kd3 Rxh2 44. Rf8 Rh3+ 45. Ke2 e4 46. Rc8+ Kd4 47. Ra8 Rh2+ 48. Kd1 e3 49. Ra4+ Ke5 50. Rg4 d4 51. Rg8 Ke4 52. Re8+ Kd3 53. Kc1 Rh1+ 0-1

[Event "IBCA WorldCup 1st"]
[Site "Segovia"]
[Date "1990.12.03"]
[Round "3.4"]
[White "Koehler, Christian"]
[Black "Kilgour, Brian"]
[Result "1/2-1/2"]
[ECO "D51"]
[PlyCount "47"]
[EventDate "1990.12.01"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Bd3 Qa5 7. Bxf6 Nxf6 8. Nge2 dxc4 9. Bxc4 Ne4 10. 0-0 Nxc3 11. Nxc3 Be7 12. Rc1 0-0 13. a3 b5 14. Bd3 Bb7 15. Ne4 Rac8 16. b4 Qd8 17. Qh5 f5 18. Nc5 Bxc5 19. Rxc5 Rf6 20. Rfc1 a6 21. Qh4 Rf8 22. Qf4 Qc7 23. Qxc7 Rxc7 24. Bb1 1/2-1/2

[Event "DDR-ch30 Final blind"]
[Site "Oberhof"]
[Date "1989.11.28"]
[Round "7"]
[White "Schlierf, Andre"]
[Black "Koehler, Christian"]
[Result "1-0"]
[ECO "E62"]
[PlyCount "61"]
[EventDate "1989.11.22"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d4 d6 8. d5 Ne7 9. e4 Bd7 10. Ne1 Ne8 11. f4 Qc8 12. fxe5 dxe5 13. Bg5 f6 14. Be3 a6 15. b4 Nd6 16. Qb3 Kh8 17. Nd3 b6 18. a4 f5 19. c5 bxc5 20. Nxc5 f4 21. gxf4 exf4 22. Bxf4 Bh3 23. Bg3 Bd4+ 24. Kh1 Bxg2+ 25. Kxg2 Qg4 26. h3 Qg5 27. Qc2 Be5 28. Qd3 Bxg3 29. Qxg3 Qd2+ 30. Kh1 Rxf1+ 31. Rxf1 1-0

[Event "DDR-ch30 Final blind"]
[Site "Oberhof"]
[Date "1989.11.27"]
[Round "6"]
[White "Koehler, Christian"]
[Black "Gaertner, Frank"]
[Result "0-1"]
[ECO "D34"]
[PlyCount "50"]
[EventDate "1989.11.22"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. Bg5 c4 10. e3 Be6 11. Ne5 Nd7 12. f4 Bxg5 13. Nxd7 Qxd7 14. fxg5 a6 15. Na4 Qe7 16. Qh5 Rad8 17. a3 b5 18. Nc5 a5 19. Rf4 Bc8 20. Re1 Rd6 21. Rh4 Bf5 22. Bxd5 Rxd5 23. g6 h6 24. e4 Nxd4 25. Kf1 Bh3+ 0-1

[Event "DDR-ch30 Final blind"]
[Site "Oberhof"]
[Date "1989.11.26"]
[Round "5"]
[White "Koehler, Christian"]
[Black "Schmidt, Wilhelm"]
[Result "1/2-1/2"]
[ECO "D60"]
[PlyCount "105"]
[EventDate "1989.11.22"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Qc2 h6 8. Bh4 0-0 9. Rc1 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. 0-0 N7b6 13. Bb3 Nd7 14. a3 Re8 15. Ba2 Nxc3 16. Qxc3 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Qxe5 Rxe5 20. Rfd1 Re8 21. Rd4 Kf8 22. Rcd1 c5 23. Rf4 Be6 24. Bxe6 Rxe6 25. Rc4 b6 26. Kf1 Ke7 27. b4 Rd6 28. Rxd6 Kxd6 29. bxc5+ bxc5 30. Rg4 g6 31. Rf4 Ke6 32. Re4+ Kd6 33. Ke2 Rb8 34. Ra4 Rb7 35. f4 Kc6 36. Kd3 Rd7+ 37. Kc3 Kb5 38. Re4 a5 39. f5 gxf5 40. Re5 a4 41. Rxf5 Rd1 42. Rxf7 Rc1+ 43. Kb2 Re1 44. Rf2 Rxe3 45. g3 Rb3+ 46. Ka2 Rd3 47. Kb2 Rb3+ 48. Ka2 Kc4 49. Rf4+ Kc3 50. Rf3+ Kc2 51. Rf2+ Kd3 52. Rf3+ Kc4 53. Rf4+ 1/2-1/2

[Event "DDR-ch30 Final blind"]
[Site "Oberhof"]
[Date "1989.11.24"]
[Round "3"]
[White "Koehler, Christian"]
[Black "Pohlers, Juergen"]
[Result "0-1"]
[ECO "D14"]
[PlyCount "108"]
[EventDate "1989.11.22"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bg5 Qa5 7. Bd2 Qd8 8. Rc1 Bf5 9. a3 e6 10. Bf4 Rc8 11. e3 Be7 12. Be2 0-0 13. 0-0 Nh5 14. Be5 h6 15. h3 Nf6 16. Bh2 Bd6 17. Bxd6 Qxd6 18. Bd3 Bxd3 19. Qxd3 Na5 20. Ne5 Nc4 21. Nxc4 dxc4 22. Qe2 a6 23. Qf3 b5 24. Ne4 Nxe4 25. Qxe4 c3 26. Qd3 cxb2 27. Rb1 Rc4 28. Rxb2 Rfc8 29. Rb3 Qc7 30. g3 Rc3 31. Rxc3 Qxc3 32. Qxc3 Rxc3 33. Ra1 Kf8 34. Ra2 Ke7 35. Kf1 Kd6 36. Ke2 Kd5 37. Kd2 Rb3 38. f3 Rb1 39. Kc2 Rg1 40. Kd3 Rxg3 41. e4+ Kd6 42. Ke3 Rxh3 43. Rc2 g5 44. e5+ Kd7 45. a4 g4 46. axb5 axb5 47. Rb2 Rxf3+ 48. Ke4 Kc6 49. Rg2 h5 50. Rh2 Rh3 51. Rf2 Rf3 52. Rh2 f5+ 53. exf6 Rxf6 54. Rxh5 Rg6 0-1

[Event "DDR-ch30 Final blind"]
[Site "Oberhof"]
[Date "1989.11.23"]
[Round "2"]
[White "Dobierzin, Olaf"]
[Black "Koehler, Christian"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "97"]
[EventDate "1989.11.22"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Be2 cxd4 7. cxd4 Nf5 8. Nc3 Qb6 9. Na4 Qa5+ 10. Kf1 Qd8 11. h4 h5 12. Bg5 Be7 13. Bxe7 Qxe7 14. Rc1 Kf8 15. Bb5 Bd7 16. Nc5 Be8 17. Be2 g6 18. g3 Kg7 19. Kg2 Rc8 20. Qd2 b6 21. Nd3 Bd7 22. Nf4 Qb4 23. Qxb4 Nxb4 24. a3 Nc6 25. Ba6 Rcd8 26. Ne2 Nb8 27. Bd3 Rc8 28. Bxf5 exf5 29. Nf4 Bc6 30. Rc3 Rc7 31. Rhc1 Rd8 32. e6 Re7 33. Rxc6 Nxc6 34. Rxc6 f6 35. Kf1 Kh6 36. Ke2 Rde8 37. Kd3 g5 38. Nxd5 Rxe6 39. Nxf6 gxh4 40. Nxh4 Rxc6 41. Nxe8 f4 42. gxf4 Rc1 43. d5 b5 44. Kd4 Rc2 45. d6 Rxf2 46. Ke3 Rf1 47. d7 Rd1 48. Nf5+ Kg6 49. Nfd6 1-0

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.17"]
[Round "9"]
[White "Koehler, Christian"]
[Black "Dobierzin, Olaf"]
[Result "0-1"]
[ECO "E63"]
[PlyCount "76"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 Nc6 7. 0-0 a6 8. Qc2 Rb8 9. a3 e5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Rb1 c6 13. h3 Bf5 14. e4 Be6 15. b3 Qc8 16. Kh2 b5 17. c5 Nd7 18. b4 a5 19. f4 axb4 20. axb4 exf4 21. Bxf4 Ne5 22. Rfd1 Ra8 23. Qc1 Rd8 24. Rxd8+ Qxd8 25. Ne2 Ra2 26. Bxe5 Bxe5 27. Nf4 Bc4 28. Qe3 Qd2 29. Qxd2 Rxd2 30. Kh1 Rf2 31. Rd1 Rb2 32. Rd8+ Kg7 33. Rc8 Rxb4 34. Rxc6 Rb1+ 35. Kh2 b4 36. h4 b3 37. h5 b2 38. h6+ Kxh6 0-1

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.16"]
[Round "8"]
[White "Dethloff, Karl Friedrich"]
[Black "Koehler, Christian"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "58"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Nc3 0-0 13. Re1 Bd7 14. Nb5 Bb8 15. Nc3 Nb4 16. Bb1 Bd6 17. a3 Nc6 18. Bd3 Rae8 19. b4 Kh8 20. Na4 Qc7 21. Nc5 Bc8 22. h3 e5 23. dxe5 Nxe5 24. Nxe5 Bxe5 25. Ra2 b6 26. Nb3 Ne4 27. Bxe4 dxe4 28. Rc2 Qf7 29. Be3 Qxb3 0-1

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.15"]
[Round "7"]
[White "Koehler, Christian"]
[Black "Lohwasser, Rudi"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "74"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Qb3 Nd7 5. Nf3 Be7 6. Bf4 Ngf6 7. h3 0-0 8. e3 Re8 9. Rc1 Nf8 10. Bd3 dxc4 11. Bxc4 Nd5 12. Bg3 Ng6 13. 0-0 Bd6 14. Ne4 Bxg3 15. Nxg3 Nf6 16. Bd3 Nf8 17. Ne4 Nxe4 18. Bxe4 Re7 19. Rc5 g6 20. Rfc1 Nd7 21. Rg5 Kg7 22. h4 Nf6 23. Qc2 h6 24. Rc5 Nd7 25. Rc3 Nb6 26. Ne5 f5 27. Bf3 Nd5 28. Bxd5 exd5 29. Qe2 h5 30. Qc2 Re8 31. Nf3 Qf6 32. g3 Be6 33. Qd2 Rad8 34. b4 a6 35. a4 Rc8 36. Ng5 Bd7 37. Qa2 Qd6 0-1

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.14"]
[Round "6"]
[White "Kranz, Werner"]
[Black "Koehler, Christian"]
[Result "1-0"]
[ECO "D60"]
[PlyCount "43"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 0-0 8. Rc1 Re8 9. Bd3 c6 10. 0-0 dxc4 11. Bxc4 Nd5 12. Bg3 Nxc3 13. Rxc3 Nb6 14. Bd3 Nd5 15. Rc1 Bd6 16. Bxd6 Qxd6 17. Ne5 Nf6 18. f4 Nd7 19. Qh5 Nxe5 20. fxe5 Qe7 21. Rf4 Qg5 22. Qxf7+ 1-0

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.13"]
[Round "5"]
[White "Koehler, Christian"]
[Black "Schmidt, Wilhelm"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "119"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 h6 7. Bf4 c6 8. Bd3 0-0 9. h3 dxc4 10. Bxc4 Nd5 11. Bh2 N7f6 12. 0-0 Qa5 13. Rc1 Nxc3 14. Rxc3 Rd8 15. Qe2 Ne4 16. Rcc1 Bd7 17. Bd3 f5 18. Be5 c5 19. Bxe4 fxe4 20. Nd2 Bf8 21. Nxe4 Bc6 22. Nxc5 Qxa2 23. Qg4 Re8 24. Nxb7 Qa6 25. Nc5 Qc8 26. Nd3 Qd7 27. Nf4 Re7 28. Qg6 Rf7 29. Rxc6 Qxc6 30. Nh5 Rc8 31. Nf6+ Rxf6 32. Bxf6 Qc2 33. Qxc2 Rxc2 34. Be5 Rxb2 35. Ra1 Rb7 36. Ra6 Kf7 37. Kf1 g6 38. Ke2 Ke7 39. g4 Kd7 40. d5 exd5 41. Bd4 Bd6 42. Rxa7 Rxa7 43. Bxa7 Ke6 44. Bd4 h5 45. Kd3 hxg4 46. hxg4 Bb4 47. f4 Ba5 48. Kc2 Bb4 49. Kb3 Bd2 50. Ka4 Bc1 51. Kb5 Ba3 52. Bc5 Bb2 53. Kc6 Bc3 54. Kc7 Ba5+ 55. Kc8 Bc3 56. Kd8 Bd2 57. Ke8 Bc3 58. Kf8 Bf6 59. Bd4 Be7+ 60. Kg7 1-0

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.12"]
[Round "4"]
[White "Gaertner, Frank"]
[Black "Koehler, Christian"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "31"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 f6 8. 0-0 fxe5 9. dxe5 Nge7 10. Nc3 Ng6 11. Bd3 Bd7 12. Bxg6+ hxg6 13. Qd3 Ne7 14. Be3 Qc7 15. Rac1 Nf5 16. Nxd5 1-0

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.11"]
[Round "3"]
[White "Rother, Wolfgang"]
[Black "Koehler, Christian"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "69"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 c5 8. Nb5 0-0 9. Nc7 Nb6 10. Nxa8 Nxa8 11. Nf3 Nc6 12. c3 Nb6 13. Bd3 cxd4 14. cxd4 h6 15. 0-0 Bd7 16. Rc1 f6 17. Bb1 f5 18. b3 Qb4 19. Qe1 Qa3 20. Qd2 Qe7 21. Qc3 Nc8 22. Qc5 Qf7 23. b4 b6 24. Qc3 N8e7 25. Bd3 Ng6 26. g3 a6 27. Bxa6 Ra8 28. Bb7 Rxa2 29. Rf2 Nxf4 30. Rxa2 Qg6 31. Kh1 Ne2 32. Rxe2 Qg4 33. Bxc6 Bxc6 34. Qxc6 Qxf3+ 35. Rg2 1-0

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.10"]
[Round "2"]
[White "Koehler, Christian"]
[Black "Mueller, Manfred"]
[Result "0-1"]
[ECO "D51"]
[PlyCount "112"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Nbd7 5. e3 c6 6. Bd3 Qa5 7. Bxf6 Nxf6 8. Rc1 Bb4 9. Qb3 0-0 10. Nf3 dxc4 11. Bxc4 Ne4 12. 0-0 Bxc3 13. bxc3 Qc7 14. Bd3 Nf6 15. Ne5 c5 16. Be2 Bd7 17. Bf3 Rab8 18. Qb1 Rfd8 19. Rc2 b5 20. Rb2 Be8 21. Rc1 Nd5 22. Be4 h6 23. Nd3 cxd4 24. Bxd5 Rxd5 25. cxd4 Qd8 26. Ne5 f6 27. Nc6 Bxc6 28. Rxc6 e5 29. Rd2 exd4 30. Qb3 Kh8 31. Rxd4 Rxd4 32. exd4 Qxd4 33. Rc1 a5 34. h3 Qd7 35. Qc3 b4 36. Qc5 a4 37. Rb1 Qb5 38. Qd6 Qe5 39. Qd2 Qe4 40. Rb2 b3 41. f3 Qb4 42. Qxb4 Rxb4 43. axb3 axb3 44. Kf2 Kh7 45. Ke3 Kg6 46. Kd3 Kf5 47. Kc3 Rb7 48. g3 h5 49. h4 g5 50. hxg5 fxg5 51. Kd3 h4 52. gxh4 gxh4 53. Ke3 h3 54. Kf2 Kf4 55. Kg1 Kxf3 56. Rf2+ Ke3 0-1

[Event "DDR-ch29 Final blind"]
[Site "Neudorf"]
[Date "1987.12.09"]
[Round "1"]
[White "Baumgart, Siegfried"]
[Black "Koehler, Christian"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "103"]
[EventDate "1987.12.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Nge7 7. Nc3 Nf5 8. Bb5 Qb6 9. 0-0 Bd7 10. Bxc6 Bxc6 11. a3 Be7 12. Qd3 Rc8 13. b4 0-0 14. b5 Bd7 15. a4 Qd8 16. Ba3 Bxa3 17. Rxa3 Qe7 18. Ne2 Rc4 19. Ng3 Nxg3 20. fxg3 Rfc8 21. Raa1 Rc3 22. Qd2 Rc2 23. Qd1 h6 24. Ne1 R2c4 25. Qg4 Rc1 26. Nd3 Rxf1+ 27. Rxf1 Rc4 28. Ra1 Qg5 29. Qf3 Rxd4 30. Rf1 Be8 31. Nc5 Qe7 32. Nd3 Rxa4 33. Nf4 Bxb5 34. Rb1 Rb4 35. Ra1 a6 36. Nh5 Bc6 37. Rc1 Rc4 38. Rf1 Be8 39. Nf6+ gxf6 40. exf6 Qf8 41. Qh5 Qc5+ 42. Kh1 Qf8 43. g4 Re4 44. Rc1 Bc6 45. g5 Re5 46. h4 a5 47. Qg4 Qb4 48. Qg3 Re4 49. Qb8+ Qf8 50. Qg3 h5 51. Qh3 d4 52. Rc4 0-1

