[Event "OLNO 2223 USC Viadrina Frankfurt/O - SC"]
[Site "?"]
[Date "2023.05.07"]
[Round "9.5"]
[White "Uhl, Heinz"]
[Black "Ketelhoehn, Bernd"]
[Result "1-0"]
[PlyCount "91"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. e3 Bg7 6. Nge2 Nge7 7. O-O O-O 8. d3 Be6 9. Nd5 Qd7 10. Rb1 Nd8 11. Qc2 c6 12. Nxe7+ Qxe7 13. Bd2 Rc8 14. Bb4 b5 15. b3 c5 16. Bc3 a6 17. Ba1 b4 18. Rbd1 Nc6 19. h3 a5 20. Kh2 Qc7 21. Rfe1 Ne7 22. d4 Bd7 23. f4 exd4 24. exd4 Nf5 25. Qd2 Bc6 26. Bxc6 Qxc6 27. d5 Qd7 28. Bxg7 Nxg7 29. g4 a4 30. Ng3 Rfe8 31. Ne4 Qd8 32. g5 Nh5 33. bxa4 Ra8 34. Qc2 f5 35. gxf6 Nxf6 36. Ng5 Rxe1 37. Rxe1 Ra7 38. Qe2 Kh8 39. Qb2 h6 40. Re6 hxg5 41. fxg5 Kh7 42. gxf6 Rf7 43. Qf2 Qd7 44. Qh4+ Kg8 45. Qe4 Qxa4 46. Re8+ 1-0

[Event "OLNO 2223 SK König Tegel II - USC Viadr"]
[Site "?"]
[Date "2023.04.23"]
[Round "8.5"]
[White "Ketelhoehn, Bernd"]
[Black "Anibar, Ahmed"]
[Result "0-1"]
[PlyCount "110"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Be2 c5 7. O-O cxd4 8. exd4 Nc6 9. Ne5 Nd7 10. Nxd7 Qxd7 11. Bb5 a6 12. Bxc6 Qxc6 13. Ne2 Bf5 14. c3 Qb6 15. Qd2 Rfe8 16. Rfe1 Rac8 17. Ng3 Bd7 18. h4 a5 19. h5 Qc6 20. Re3 f6 21. hxg6 hxg6 22. Rae1 Kf7 23. Nf1 e6 24. Rf3 Rh8 25. Qe3 Rh7 26. Be5 Rch8 27. g4 f5 28. Bxg7 Rxg7 29. Qe5 Rh4 30. g5 Qc8 31. Qf6+ Kg8 32. Kg2 Qf8 33. Qxf8+ Kxf8 34. Ree3 Rgh7 35. Rh3 f4 36. Ref3 Rxh3 37. Rxh3 Rxh3 38. Kxh3 e5+ 39. Kg2 e4 40. b3 Bb5 41. a4 Bc6 42. Kh3 Bd7+ 43. Kh4 b5 44. axb5 Bxb5 45. Nd2 Be2 46. Nb1 Ke7 47. Na3 Ke6 48. c4 dxc4 49. bxc4 Kf5 50. c5 Ke6 51. c6 Kd6 52. d5 Kxd5 53. c7 Ba6 54. Kg4 Ke5 55. Nc4+ Bxc4 56. 0-1

[Event "OLNO 2223 USC Viadrina Frankfurt/O - SAV"]
[Site "?"]
[Date "2023.03.19"]
[Round "7.6"]
[White "Ketelhoehn, Bernd"]
[Black "Onasch, Paul"]
[Result "1/2-1/2"]
[PlyCount "42"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. O-O Be7 7. Nbd2 O-O 8. Re1 b6 9. e4 dxe4 10. Nxe4 cxd4 11. Nxd4 Bb7 12. Qe2 Nc5 13. Nxc5 Bxc5 14. Be3 Qd5 15. f3 Rfd8 16. Bc4 Qe5 17. Bf2 Qxe2 18. Rxe2 Nd5 19. Ree1 a6 20. a4 Rac8 21. Bf1 Ne7 22. 1/2-1/2

[Event "OLNO 2223 SC Empor Potsdam - USC Viadri"]
[Site "?"]
[Date "2023.02.26"]
[Round "6.6"]
[White "Bachmann, Volker"]
[Black "Ketelhoehn, Bernd"]
[Result "1-0"]
[PlyCount "53"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 axb5 12. exf6 gxf6 13. Nxd4 Qb6 14. Be3 Bc5 15. Be2 Ra4 16. Nxb5 Rb4 17. Bxc5 Qxc5 18. Rc1 Rxb5 19. Bxb5 Qb4+ 20. Qd2 Qe4+ 21. Kf1 O-O 22. Bxd7 Ba6+ 23. Kg1 Bb7 24. f3 Qh4 25. Bc6 Ba6 26. g3 Qh3 27. Qf4 1-0

[Event "OLNO 2223 USC Viadrina Frankfurt/O - SC"]
[Site "?"]
[Date "2023.02.05"]
[Round "5.7"]
[White "Vogel, Constantin"]
[Black "Ketelhoehn, Bernd"]
[Result "1-0"]
[PlyCount "57"]

1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 g6 5. d3 Bg7 6. Rb1 a5 7. a3 Nge7 8. b4 axb4 9. axb4 O-O 10. b5 Nd4 11. e3 Ne6 12. Nge2 c6 13. O-O f5 14. d4 e4 15. f3 exf3 16. Bxf3 Ng5 17. Bg2 Be6 18. bxc6 bxc6 19. Qd3 d5 20. cxd5 Nxd5 21. Nf4 Nxf4 22. gxf4 Ne4 23. Nxe4 fxe4 24. Bxe4 Qh4 25. Bxc6 Qg4+ 26. Bg2 Rfc8 27. Qd1 Ra2 28. Qxg4 Bxg4 29. Bd5+ 1-0

[Event "OLNO 2223 Greifswalder SV - USC Viadrin"]
[Site "?"]
[Date "2023.01.15"]
[Round "4.7"]
[White "Ketelhoehn, Bernd"]
[Black "Patzenhauer, Max"]
[Result "1/2-1/2"]
[PlyCount "119"]

1. d4 g6 2. e4 d6 3. Nc3 Bg7 4. Nf3 Nf6 5. Be2 c6 6. a4 O-O 7. O-O Qc7 8. h3 e5 9. dxe5 dxe5 10. Bc4 Nbd7 11. Be3 Re8 12. Ng5 Re7 13. a5 Nf8 14. Bc5 Rd7 15. Qe2 h6 16. Nf3 Nh5 17. g3 Rd8 18. Kg2 Ne6 19. Bxe6 Bxe6 20. Rfd1 Rxd1 21. Nxd1 Nf6 22. Nc3 Nd7 23. Be3 a6 24. Nd2 Qd6 25. Nc4 Qb4 26. Ra4 Qe7 27. Qd2 Bxc4 28. Rxc4 Kh7 29. Na4 Rd8 30. Qb4 Qe6 31. Rc3 Rb8 32. Rd3 Bf8 33. Qd2 Nf6 34. f3 Qc4 35. b3 Qb4 36. Qxb4 Bxb4 37. Bb6 Re8 38. c3 Bf8 39. Nb2 Re6 40. Nc4 Ne8 41. Rd7 Re7 42. Rxe7 Bxe7 43. Nxe5 Kg7 44. Nd3 Kf6 45. f4 Ke6 46. Kf3 Nf6 47. Bc5 Bd8 48. b4 Nd7 49. Bd4 Be7 50. g4 f5 51. gxf5+ gxf5 52. Bc5 Bd8 53. exf5+ Kxf5 54. Bd4 Bc7 55. Be5 Bd8 56. Bd4 Bc7 57. Be5 Bd8 58. Bd4 Bc7 59. Be5 Bd8 60. Bd4 1/2-1/2

[Event "OLNO 2223 USC Viadrina Frankfurt/O - SC"]
[Site "?"]
[Date "2022.12.11"]
[Round "3.6"]
[White "Ketelhoehn, Bernd"]
[Black "Mueller, Michael"]
[Result "1/2-1/2"]
[PlyCount "66"]

1. d4 Nf6 2. Nf3 d5 3. e3 Bf5 4. c4 e6 5. Nc3 c6 6. Nh4 Bg4 7. Nf3 Nbd7 8. h3 Bh5 9. cxd5 exd5 10. Be2 Bd6 11. Qc2 Qe7 12. Nh4 Bg6 13. Nf5 Bxf5 14. Qxf5 Qe6 15. Qxe6+ fxe6 16. O-O e5 17. dxe5 Bxe5 18. Bd2 O-O 19. Bf3 Nc5 20. Rab1 Rad8 21. Rfd1 Ne6 22. b4 Rf7 23. Be1 Rfd7 24. Kf1 Kf7 25. Na4 b6 26. Rbc1 Rd6 27. Nc3 d4 28. Ne4 Nxe4 29. Bxe4 c5 30. exd4 Rxd4 31. Rxd4 Rxd4 32. Bf5 Nf4 33. bxc5 g6 34. 1/2-1/2

[Event "OLNO 2223 USC Viadrina Frankfurt/O - SV"]
[Site "?"]
[Date "2022.10.23"]
[Round "1.7"]
[White "Staerk, Elisa"]
[Black "Ketelhoehn, Bernd"]
[Result "1-0"]
[PlyCount "27"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Bd3 Nbd7 6. O-O dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 Be7 10. Nc3 h6 11. Re1 O-O 12. Qe2 c5 13. e5 c4 14. exf6 1-0

[Event "Landesliga 2015/16"]
[Site "?"]
[Date "2015.09.20"]
[Round "1.2"]
[White "Ketelhoehn, Bernd"]
[Black "Cusnariov, Nikolai"]
[Result "1/2-1/2"]
[PlyCount "119"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bd3 c5 7. O-O cxd4 8. exd4 Nc6 9. c3 Qc7 10. Re1 Re8 11. Nbd2 Nh5 12. g3 Bg4 13. Be2 Nf6 14. Ne5 Bf5 15. g4 Be6 16. f4 Rad8 17. Bf3 Nxe5 18. fxe5 Nd7 19. Qe2 f6 20. c4 Nb6 21. Rac1 Qd7 22. c5 Na8 23. Qg2 fxe5 24. dxe5 Rf8 25. h3 Bh6 26. Rcd1 Qb5 27. g5 Qxc5+ 28. Kh2 Bg7 29. Rc1 Qb4 30. a3 Qf4+ 31. Kh1 Nb6 32. Rc7 Qh4 33. Rg1 Rf7 34. Bg4 Bxg4 35. Qxg4 Qxg4 36. Rxg4 e6 37. Rxf7 Kxf7 38. Rf4+ Kg8 39. Nf3 Rf8 40. Rxf8+ Kxf8 41. a4 Nd7 42. Kg2 Kf7 43. Bd4 a6 44. Kf2 Bf8 45. Ke2 Nc5 46. Bxc5 Bxc5 47. Kd3 Kg7 48. Kc3 h6 49. h4 h5 50. b4 Bf2 51. Kd3 Kf7 52. Ke2 Bg3 53. Kd3 Ke7 54. Ke3 Kd7 55. Kd3 Bf2 56. Ke2 Bb6 57. Ne1 Bd4 58. Nd3 Kc6 59. Kf3 Kd7 60. Ke2 1/2-1/2

[Event "Frankfurt - Guben"]
[Site "?"]
[Date "2007.04.01"]
[Round "7.5"]
[White "Graudons, Karsten"]
[Black "Ketelhöhn, Bernd"]
[Result "0-1"]
[PlyCount "30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. a3 Bd6 7. b3 O-O 8. Bd3 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Bb2 Re8 12. O-O Bxh2+ 13. Kh1 (13. 14. Kxh2 Ng4+ 15. Kg3 Qg5 16. f4 Rxe3+ 17. Rf3) Ng4 18. Qf3 Qh4 19. Bxh7+ Kxh7 20. 0-1

[Event "OLNO 0506 SC Weisse Dame - Preußen Fran"]
[Site "?"]
[Date "2006.04.02"]
[Round "9.5"]
[White "Ketelhoehn, Bernd"]
[Black "Kysucan, Alexander"]
[Result "1/2-1/2"]
[PlyCount "49"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. O-O Bd6 7. Nbd2 O-O 8. Re1 e5 9. e4 cxd4 10. cxd4 dxe4 11. Nxe4 Nxe4 12. Rxe4 Qb6 13. Rh4 g6 14. Bh6 Re8 15. Rc1 Qd8 16. Ng5 Nf8 17. Qf3 Qe7 18. dxe5 Bxe5 19. Re4 Bf5 20. Rxe5 Qxe5 21. Qxb7 Bxd3 22. Qxf7+ Kh8 23. Nf3 Qxb2 24. Rc7 Qa1+ 25. Rc1 1/2-1/2

[Event "OLNO 0506 Preußen Frankf. - VBSF Cottbu"]
[Site "?"]
[Date "2006.03.12"]
[Round "8.5"]
[White "Kunze, Kerstin"]
[Black "Ketelhoehn, Bernd"]
[Result "1/2-1/2"]
[PlyCount "26"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nge2 Rb8 7. Bf4 d6 8. a4 e5 9. Bd2 Be6 10. Nd5 Bxd5 11. exd5 Nce7 12. h4 h5 13. b4 b6 14. 1/2-1/2

[Event "OLNO 0506 Preußen Frankf. - SF Berlin"]
[Site "?"]
[Date "2006.02.19"]
[Round "7.5"]
[White "Kurz, Alexander"]
[Black "Ketelhoehn, Bernd"]
[Result "1-0"]
[PlyCount "51"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Bd3 Bd6 9. O-O O-O 10. Qc2 Re8 11. Rae1 g6 12. Nd2 Qc7 13. f4 Kg7 14. e4 dxe4 15. Ndxe4 Rf8 16. f5 Bxh2+ 17. Kh1 Nh5 18. g4 Ng3+ 19. Nxg3 Bxg3 20. Re7 Bd6 21. f6+ Kg8 22. Qf2 Bg3 23. Qe3 b6 24. Bh6 Bb7 25. Bxf8 Rxf8 26. Qh6 1-0

[Event "OLNO 0506 SK Kreuzberg - Preußen Frankf"]
[Site "?"]
[Date "2006.01.29"]
[Round "6.5"]
[White "Ketelhoehn, Bernd"]
[Black "Albrecht, Rainer"]
[Result "0-1"]
[PlyCount "70"]

1. d4 e6 2. Nf3 f5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e4 fxe4 7. Nxe4 b6 8. Bd3 Bb7 9. Qe2 Qe7 10. O-O Nc6 11. c3 O-O 12. Rae1 Rae8 13. Qc2 g6 14. Nxf6+ Qxf6 15. Re3 Qg7 16. Ng5 Ne7 17. Rh3 h6 18. Ne4 Rf4 19. g3 Rf3 20. Nd2 Rff8 21. f4 Nf5 22. Bxf5 exf5 23. Nf3 Bxf3 24. Rxf3 Re1+ 25. Rf1 Rxf1+ 26. Kxf1 h5 27. Qe2 Qf7 28. b3 Re8 29. Qd2 Qd5 30. Kf2 Qh1 31. d5 b5 32. c4 bxc4 33. bxc4 Qe4 34. g4 fxg4 35. Qd3 Qxf4+ 36. 0-1

[Event "OLNO 0506 Preußen Frankf. - SK König Te"]
[Site "?"]
[Date "2006.01.15"]
[Round "5.5"]
[White "Maxion, Dirk"]
[Black "Ketelhoehn, Bernd"]
[Result "1-0"]
[PlyCount "47"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bd3 Be6 12. O-O Bg7 13. c4 bxc4 14. Nxc4 Bxd5 15. exd5 Ne7 16. Qa4+ Kf8 17. Rfd1 h5 18. Rac1 f4 19. Bb1 Rh6 20. Rc3 h4 21. Rb3 Ra7 22. Qa5 Qd7 23. Rb8+ Nc8 24. Bf5 1-0

[Event "13.Open Frankfurt(Oder)"]
[Site "?"]
[Date "2005.??.??"]
[Round "2"]
[White "Ketelhöhn, Bernd"]
[Black "Krannich, Sven"]
[Result "1-0"]
[PlyCount "45"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 a6 5. O-O b5 6. b3 Bb7 7. Nbd2 d5 8. c4 dxc4 9. bxc4 b4 10. Nb3 Nbd7 11. Bb2 a5 12. dxc5 Bxc5 13. Ne5 O-O 14. Nxd7 Nxd7 15. Qg4 e5 16. Rfd1 f5 17. Bxf5 Qf6 18. Rxd7 Bxe3 19. fxe3 Bc8 20. Be6+ Kh8 21. Qxg7+ Qxg7 22. Rxg7 Kxg7 23. Bxe5+ 1-0

[Event "13.Open Frankfurt(Oder)"]
[Site "?"]
[Date "2005.??.??"]
[Round "4"]
[White "Ketelhöhn, Bernd"]
[Black "Urbanek, Frank"]
[Result "1/2-1/2"]
[PlyCount "114"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Be2 Nbd7 7. h3 O-O 8. O-O Re8 9. Be5 Nxe5 10. Nxe5 Nd7 11. Nxd7 Bxd7 12. f4 f5 13. b4 b5 14. a4 a6 15. a5 e6 16. Qd2 Qe7 17. Na2 Kf7 18. Nc1 Rh8 19. Nd3 Rag8 20. Kf2 h5 21. Rh1 Rh6 22. Rag1 Rgh8 23. Bf3 g5 24. g3 g4 25. hxg4 hxg4 26. Bg2 Rxh1 27. Rxh1 Rxh1 28. Bxh1 Kg6 29. Kg1 Qf8 30. Nc5 Bc8 31. Qc3 Qe8 32. Bg2 Bf8 33. Nd3 Bd6 34. Ne5+ Bxe5 35. dxe5 Bb7 36. Qc5 Kf7 37. Qd6 Qe7 38. Qb8 Kg7 39. Kf2 Qd7 40. c3 Kf7 41. Ke2 Qc8 42. Qd6 Ke8 43. Kd3 Qd7 44. Qb8+ Qc8 45. Qa7 Kd7 46. Kd4 Kc7 47. Qb6+ Kb8 48. Qc5 Qd7 49. Bf1 Kc7 50. Qf8 Qd8 51. Qf7+ Qd7 52. Qf6 Bc8 53. Bd3 Kb8 54. Qf8 Qa7+ 55. Qc5 Qxc5+ 56. Kxc5 Kc7 57. Be2 Bd7 58. 1/2-1/2

[Event "13.Open Frankfurt(Oder)"]
[Site "?"]
[Date "2005.??.??"]
[Round "3"]
[White "Penne, Bo"]
[Black "Ketelhöhn, Bernd"]
[Result "1/2-1/2"]
[PlyCount "44"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Nc3 Bg4 6. Be2 Nf6 7. h3 Bh5 8. Bf4 e6 9. O-O Bd6 10. Ne5 Bxe2 11. Nxe2 O-O 12. c3 Qc7 13. Nxc6 Bxf4 14. Nxf4 Qxc6 15. Nh5 Nxh5 16. Qxh5 Qb5 17. Rab1 Rac8 18. Qd1 Qc4 19. a3 b5 20. Qd2 a5 21. Rfc1 Qb3 22. Qe2 Rc6 23. 1/2-1/2

[Event "13.Open Frankfurt(Oder)"]
[Site "?"]
[Date "2005.??.??"]
[Round "5"]
[White "Budach, Olaf"]
[Black "Ketelhöhn, Bernd"]
[Result "0-1"]
[PlyCount "44"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. cxd5 exd5 7. Be2 Bd6 8. O-O O-O 9. Qc2 Re8 10. Bd2 Nf8 11. Rac1 Ng6 12. Rfe1 Ne4 13. a3 Nh4 14. b4 a6 15. h3 Nxg2 16. Kxg2 Bxh3+ 17. Kxh3 Qd7+ 18. Kg2 Qg4+ 19. Kf1 Qh3+ 20. Kg1 Re6 21. Nxe4 dxe4 22. Ng5 Qh2+ 23. 0-1

[Event "13.Open Frankfurt(Oder)"]
[Site "?"]
[Date "2005.??.??"]
[Round "1"]
[White "Winkler, Andreas"]
[Black "Ketelhöhn, Bernd"]
[Result "0-1"]
[PlyCount "110"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Be2 Rb8 13. Nc2 Bg5 14. O-O Be6 15. b4 f5 16. Bf3 Ne7 17. Nxe7+ Qxe7 18. exf5 Bxf5 19. Bd5+ Kh8 20. Ne3 Bxe3 21. fxe3 Qg5 22. Qf3 Rf6 23. Qg3 Qxg3 24. hxg3 Bd3 25. Rxf6 gxf6 26. a4 f5 27. a5 Kg7 28. Kf2 Be4 29. Bb3 Rc8 30. Rc1 Bd3 31. Bd5 Rc7 32. Bf3 Kf6 33. Bd1 Bc4 34. Bf3 d5 35. Bd1 Ke6 36. g4 Rf7 37. gxf5+ Rxf5+ 38. Kg3 Kf6 39. Bg4 Rg5 40. Rh1 Be2 41. Rxh7 Rxg4+ 42. Kf2 Bd3 43. Rc7 Rc4 44. Rxc4 Bxc4 45. Kg3 Kg5 46. Kf3 Kf5 47. g4+ Kg5 48. Kg3 e4 49. Kh3 Be2 50. Kg3 Bxg4 51. Kh2 Kh4 52. Kg2 Bh3+ 53. Kf2 Kg4 54. Ke2 Kg3 55. Kd2 Kf2 56. 0-1

[Event "OLNO 0506 Empor Berlin - Preußen Frankf"]
[Site "?"]
[Date "2005.12.11"]
[Round "4.5"]
[White "Ketelhoehn, Bernd"]
[Black "Kimpinsky, Frank"]
[Result "0-1"]
[PlyCount "108"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. e3 Bg7 5. Be2 O-O 6. b3 c5 7. Bb2 cxd4 8. exd4 Nc6 9. O-O Nh5 10. Qd2 Bg4 11. Ne5 Bxe2 12. Nxe2 Rc8 13. Rac1 Nf6 14. Nxc6 Rxc6 15. c4 Qd7 16. Rfd1 h5 17. cxd5 Rxc1 18. Rxc1 Kh7 19. Qd3 Nxd5 20. a3 Rd8 21. Qf3 Kg8 22. Rc5 b6 23. Rc1 Qg4 24. Qxg4 hxg4 25. g3 Kf8 26. Kg2 Ke8 27. h3 gxh3+ 28. Kxh3 Kd7 29. Kg2 e6 30. Rc2 Bf8 31. Kf3 Bd6 32. Kg2 Rh8 33. Rc1 g5 34. Rc2 f5 35. Bc1 f4 36. Ng1 Ne7 37. gxf4 gxf4 38. Kf3 Nf5 39. Rc4 Rh1 40. Kg2 Rh8 41. Kf3 b5 42. Rc3 Nxd4+ 43. Ke4 e5 44. Nf3 Nxf3 45. Rxf3 Rc8 46. Bb2 Rc2 47. Bc3 Ke6 48. b4 Be7 49. Bxe5 Re2+ 50. Kd4 Rxe5 51. Rxf4 Bf6 52. Kd3 Rf5 53. Re4+ Kd5 54. f4 a6 55. 0-1

[Event "OLNO 0506 Preußen Frankf. - SG Lasker"]
[Site "?"]
[Date "2005.11.27"]
[Round "3.5"]
[White "Gruzmann, Boris"]
[Black "Ketelhoehn, Bernd"]
[Result "1-0"]
[PlyCount "115"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 a6 10. Nc3 Be7 11. Be2 O-O 12. O-O f5 13. f4 exf4 14. Bxf4 g5 15. Be3 f4 16. Bd4 Bf5 17. Bd3 Bxd3 18. Qxd3 Nd7 19. Rae1 Bf6 20. Re6 Nc5 21. Bxc5 dxc5 22. d6 Bd4+ 23. Kh1 Rf6 24. Re7 Rh6 25. Qf5 Qxd6 26. Qxg5+ Rg6 27. Qd5+ Qxd5 28. Nxd5 Rf8 29. Rxf4 Rxf4 30. Nxf4 Rf6 31. g3 Bxb2 32. Rxb7 Be5 33. Nd3 Bd4 34. Kg2 Re6 35. Nf4 Re1 36. Ra7 Rc1 37. Rxa6 Rxc4 38. Ne2 Rc2 39. Kf3 Bg7 40. a4 Ra2 41. a5 c4 42. Rc6 Rxa5 43. Rxc4 Kf7 44. Rc7+ Kf6 45. Nf4 h6 46. h4 Bf8 47. Rc6+ Kf7 48. Kg4 Rb5 49. Ra6 Rc5 50. Ne6 h5+ 51. Kh3 Re5 52. Nf4 Rf5 53. Rc6 Bg7 54. Rg6 Bf8 55. Rg5 Rxg5 56. hxg5 Be7 57. Kh4 Kg7 58. Kxh5 1-0

[Event "OLNO 0506 SC Fr. Lichtenb. - Preußen Fr"]
[Site "?"]
[Date "2005.11.13"]
[Round "2.5"]
[White "Ketelhoehn, Bernd"]
[Black "Elsing, Jan"]
[Result "1/2-1/2"]
[PlyCount "24"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 c6 6. Bd3 Bxd3 7. Qxd3 Be7 8. O-O O-O 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nd7 12. Rd1 Qc7 13. 1/2-1/2

[Event "OLNO 0506 Preußen Frankf. - Oberschönew"]
[Site "?"]
[Date "2005.10.23"]
[Round "1.4"]
[White "Ketelhoehn, Bernd"]
[Black "Syre, Christian"]
[Result "0-1"]
[PlyCount "96"]

1. Nf3 Nf6 2. d4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Be2 b6 7. Ne5 Bb7 8. h4 Nfd7 9. h5 Nxe5 10. Bxe5 f6 11. Bg4 f5 12. Bxg7 Kxg7 13. Bf3 g5 14. h6+ Kh8 15. Qd2 e6 16. O-O-O Nd7 17. g4 Nf6 18. gxf5 exf5 19. Rdg1 Rg8 20. Bh5 Qe7 21. Qd3 Qe6 22. Ne2 Ne4 23. Rh2 a5 24. Ng3 Ba6 25. Qd1 Nf6 26. Be2 Bxe2 27. Nxe2 Ng4 28. Rhg2 Nxf2 29. Qd2 Ne4 30. Qd3 Raf8 31. Ng3 Nxg3 32. Rxg3 Qxh6 33. Qc3 Rf7 34. Qb3 Rd7 35. Qb5 Qe6 36. Kb1 Rdg7 37. Qb3 Qe4 38. a4 f4 39. exf4 gxf4 40. Rxg7 Rxg7 41. Rxg7 Kxg7 42. Qh3 f3 43. Qg3+ Kf6 44. Qxc7 Qxd4 45. Qxh7 Kg5 46. Qh3 Qg1+ 47. Ka2 Qg4 48. Qf1 Qc4+ 49. 0-1

[Event "Oberliga Nord O 9798"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Ketelhoehn, Bernd"]
[Black "Billing, Georg"]
[Result "1-0"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 Nbd7 5. Qd2 c6 6. O-O-O h6 7. Bh4 g5 8. Bf2 Qa5 9. e4 dxe4 10. fxe4 Bg4 11. Nf3 e6 12. e5 Nd5 13. Nxd5 Qxd2+ 14. Rxd2 cxd5 15. h4 gxh4 16. Rxh4 h5 17. Be3 Be7 18. Rh1 O-O-O 19. Nh4 Bxh4 20. Rxh4 f6 21. exf6 Nxf6 22. Bd3 Rdf8 23. Rh1 Ne8 24. b3 Nd6 25. c4 a6 26. cxd5 exd5 27. Rf1 Kd7 28. Kb2 Rxf1 29. Bxf1 Bf5 30. Bd3 Rg8 31. Bxf5+ Nxf5 32. Bf4 Rg4 33. Be5 h4 34. Ka3 Ne3 35. Rf2 Ke7 36. Bf6+ Ke6 37. Bd8 Nxg2 38. Re2+ Kd7 39. Bf6 Nf4 40. Re7+ Kc6 41. Be5 b6 42. Ka4 1-0

