[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.26"]
[Round "9.8"]
[White "Koehler, Gerhard"]
[Black "Giffard, Nicolas"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "2215"]
[BlackElo "2154"]
[PlyCount "103"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "France 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ENG"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 d5 7. cxd5 cxd5 8. Bg2 Bb4 9. 0-0 0-0 10. d3 Bxc3 11. bxc3 h6 12. Be3 Qa6 13. dxe4 dxe4 14. Nc5 Qc6 15. Qd4 Re8 16. Rfd1 b6 17. Nb3 Ba6 18. Qd2 Nbd7 19. Bd4 Rad8 20. Rac1 Qe6 21. Qc2 Rc8 22. Re1 Rc7 23. Nd2 Bb7 24. Qb3 Bd5 25. c4 Ba8 26. Qb2 h5 27. h3 Rec8 28. Red1 Ne8 29. Qb5 f5 30. Nf1 Nc5 31. Qb4 h4 32. Ne3 hxg3 33. fxg3 Rd7 34. Qb2 g6 35. Be5 Rcd8 36. Rxd7 Rxd7 37. Bf4 Qf6 38. Be5 Qe6 39. Bf4 Bc6 40. h4 Qf6 41. Be5 Qe6 42. Bf4 Ng7 43. Kf2 Nh5 44. Bg5 Qd6 45. Nf1 f4 46. g4 e3+ 47. Kg1 Bxg2 48. gxh5 Bb7 49. Qf6 Qxf6 50. Bxf6 gxh5 51. Be5 Ne6 52. Bb8 0-1

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.25"]
[Round "8.8"]
[White "Ceschia, Ivano"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2205"]
[BlackElo "2215"]
[PlyCount "109"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Italy 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. 0-0 Qb6 8. Qd3 e5 9. Na3 Be6 10. Ng5 Nf6 11. Be3 Qc7 12. f4 Ng4 13. fxe5 Nxe3 14. Qxe3 Qb6 15. Qxb6 axb6 16. Nxe6 fxe6 17. exd6 Bxd6 18. Nc4 Bc7 19. Nd2 Ke7 20. Nf3 Rhf8 21. a3 Rf4 22. g3 Rf6 23. Rad1 c5 24. Kg2 h6 25. Rd3 Rd8 26. Rxd8 Bxd8 27. a4 Bc7 28. Nd2 Kd6 29. Rxf6 gxf6 30. Kf3 h5 31. h4 Ke5 32. c3 f5 33. Nc4+ Kf6 34. exf5 Kxf5 35. b4 cxb4 36. cxb4 e5 37. Ne3+ Ke6 38. Ke4 Bd6 39. a5 bxa5 40. bxa5 Bc5 41. a6 Kd6 42. Nc4+ Kc6 43. Nxe5+ Kb5 44. Nd3 Ba7 45. Nf4 Kxa6 46. Nxh5 Bf2 47. Kf3 Be1 48. Nf6 Bc3 49. Ne4 Bb2 50. Kf4 Kb6 51. Kf5 Kc6 52. Ke6 Kc7 53. h5 Bc1 54. g4 Kd8 55. Kf7 1-0

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.24"]
[Round "7.8"]
[White "Bjerke, Richard"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2037"]
[BlackElo "2215"]
[PlyCount "142"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Norge OSS 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Bd3 Qb6 8. Qc1 Bg4 9. Ne2 Qc7 10. h3 Bf5 11. Qd2 Bxd3 12. Qxd3 0-0 13. 0-0 Nd7 14. Rad1 Rfe8 15. c4 Rad8 16. Qc2 Nf8 17. Qf5 Ng6 18. Nc3 Qe7 19. Rfe1 Bb8 20. a3 Qd6 21. g3 Qe6 22. Qxe6 fxe6 23. Kg2 Ne7 24. Bc1 Kf7 25. h4 h5 26. Re2 Nf5 27. d5 cxd5 28. cxd5 e5 29. Be3 Rc8 30. Kf3 Nd6 31. Ne4 b6 32. Nxd6+ Bxd6 33. Rc1 Rxc1 34. Bxc1 Rc8 35. Be3 Rc4 36. Re1 Ke7 37. Rc1 Rxc1 38. Bxc1 f5 39. Ke2 Bc5 40. f3 g6 41. Kd3 b5 42. g4 Kd6 43. gxh5 gxh5 44. a4 a6 45. axb5 axb5 46. b3 Kxd5 47. Bg5 Ke6 48. Bd2 Be7 49. Be1 Kd5 50. Bf2 Bb4 51. Be3 Ke6 52. Bf2 Ba5 53. Be3 f4 54. Bf2 Kd5 55. Ke2 e4 56. fxe4+ Kxe4 57. Bc5 Bd8 58. Bf2 Be7 59. Be1 Bc5 60. Ba5 f3+ 61. Kf1 Kd3 62. b4 Bd4 63. Bd8 Kc4 64. Be7 Bb6 65. Bf8 Bd4 66. Be7 Kd5 67. Bd8 Be5 68. Be7 Bg3 69. Bd8 Ke4 70. Bf6 Kf5 71. Be7 Ke5 0-1

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.23"]
[Round "6.8"]
[White "Koehler, Gerhard"]
[Black "Hammar, Bengt Erik"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2215"]
[BlackElo "2100"]
[PlyCount "89"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Sweden 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SWE"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 Nd7 11. bxa5 h6 12. Nd2 Rxa5 13. Bb4 Ra8 14. Nb3 f5 15. f3 Nf6 16. Kh1 g5 17. c5 f4 18. Nb5 Ne8 19. Qd2 Ng6 20. cxd6 cxd6 21. Na5 Rf7 22. Nc4 Ra6 23. Ba5 b6 24. Bb4 Bf8 25. Rfc1 Ra8 26. Qb2 h5 27. Bf1 g4 28. Qf2 Rb8 29. Rc2 Rg7 30. Rac1 Ba6 31. Nd2 g3 32. Qg1 gxh2 33. Qxh2 Nh4 34. a4 Bxb5 35. axb5 Rg3 36. Nb1 Be7 37. Be1 Rg7 38. Qh3 Bf6 39. Bf2 Nc7 40. Rc6 Kh7 41. Rxb6 Rg3 42. Bxg3 Rxb6 43. Bf2 Nxb5 44. Bxb6 Qxb6 45. Qd7+ 1-0

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.21"]
[Round "5.4"]
[White "Koehler, Gerhard"]
[Black "Large, Peter G"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2215"]
[BlackElo "2314"]
[PlyCount "54"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "England 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ENG"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 c5 5. Bg2 Bb7 6. 0-0 Be7 7. b3 0-0 8. Bb2 a6 9. d4 cxd4 10. Qxd4 d6 11. Rfd1 Nbd7 12. Rac1 Qb8 13. e4 Rd8 14. Qe3 Bf8 15. Nd4 Re8 16. Qd2 Qc7 17. h3 Rac8 18. Nde2 Qb8 19. g4 h6 20. Qf4 Ne5 21. Qg3 b5 22. cxb5 axb5 23. a3 Ba8 24. f4 Ng6 25. Rd4 e5 26. Rb4 exf4 27. Nxf4 d5 0-1

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.20"]
[Round "4.8"]
[White "Snape, Ian L"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A55"]
[WhiteElo "2062"]
[BlackElo "2215"]
[PlyCount "65"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "England 65 II"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 0-0 7. 0-0 Re8 8. Qc2 c6 9. h3 g6 10. Rd1 Qc7 11. a3 a5 12. Be3 Bf8 13. b3 exd4 14. Nxd4 Nc5 15. Bf3 Bd7 16. b4 Ne6 17. Rac1 Rad8 18. Nb3 axb4 19. axb4 Bc8 20. Qa2 h6 21. Qd2 Kh7 22. Nd4 Bg7 23. Nd5 cxd5 24. cxd5 Qe7 25. dxe6 Bxe6 26. Nb5 Bb3 27. Re1 Qd7 28. Qd3 Ba4 29. Nc7 Re7 30. Bd4 Bc6 31. b5 Qxc7 32. bxc6 bxc6 33. Qc3 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.19"]
[Round "3.24"]
[White "Raitza, Olaf"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2037"]
[BlackElo "2215"]
[PlyCount "44"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Berlin 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. f4 b5 10. f5 Bd7 11. Be3 Bc6 12. Bf3 Nbd7 13. Qe1 0-0 14. Rd1 Rc8 15. a3 Ba8 16. g4 h6 17. Qf2 Rxc3 18. bxc3 Nxe4 19. Bxe4 Bxe4 20. Qd2 Ba8 21. h4 Nf6 22. Qe2 Ne4 0-1

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.18"]
[Round "2.48"]
[White "Koehler, Gerhard"]
[Black "Winter, Kevin"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2215"]
[BlackElo "1747"]
[PlyCount "72"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "England 65 IV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ENG"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nge7 6. Nge2 0-0 7. 0-0 d6 8. d3 f5 9. Rb1 a5 10. a3 Bd7 11. b4 axb4 12. axb4 Qc8 13. Qb3 Kh8 14. Bd2 f4 15. exf4 Bh3 16. Nd5 Bxg2 17. Kxg2 exf4 18. Ndxf4 Nf5 19. c5 Ncd4 20. Qc4 Nxe2 21. Nxe2 dxc5 22. bxc5 Qd7 23. Bc3 Qc6+ 24. Qe4 Bxc3 25. Qxc6 bxc6 26. Nxc3 Ra3 27. Ne4 Rxd3 28. Rfd1 Rfd8 29. Rxd3 Rxd3 30. Rb7 Rd7 31. g4 Nd4 32. g5 Ne6 33. Kg3 Kg7 34. h4 h6 35. f3 hxg5 36. hxg5 Rd5 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.17"]
[Round "1.4"]
[White "Koehler, Gerhard"]
[Black "Vavruska, Antonin"]
[Result "1/2-1/2"]
[ECO "A91"]
[WhiteElo "2215"]
[BlackElo "1926"]
[PlyCount "84"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Vychodocesi 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "CZE"]

1. c4 e6 2. Nc3 f5 3. g3 Nf6 4. Bg2 d6 5. d4 Be7 6. Nh3 0-0 7. 0-0 c6 8. Re1 e5 9. b3 h6 10. Ba3 Qc7 11. Qd2 a5 12. Rad1 Na6 13. f3 Nb4 14. e3 Bd7 15. Bb2 Rad8 16. Nf2 Bc8 17. a3 Na6 18. Qc2 Nh7 19. Na4 Bf6 20. f4 e4 21. Bf1 b6 22. Rd2 Be7 23. Rc1 Nf6 24. Be2 Kh8 25. Kh1 Rfe8 26. Rg1 d5 27. Nc3 Qb7 28. cxd5 Nxd5 29. Nxd5 cxd5 30. g4 Bh4 31. Bb5 Bd7 32. Bxd7 Qxd7 33. Qd1 Bxf2 34. Rxf2 fxg4 35. Rxg4 Nc7 36. a4 Qf5 37. Rfg2 Ne6 38. Ba3 Rd7 39. Qe2 Nc7 40. Rg6 Re6 41. R6g3 Rc6 42. Rg1 Rf7 1/2-1/2

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.31"]
[Round "9"]
[White "Klundt, Klaus"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2264"]
[BlackElo "2210"]
[PlyCount "53"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. 0-0 0-0 10. Re1 Bf6 11. Be4 Nxc3 12. bxc3 Qc7 13. Qd3 h6 14. Rb1 Rd8 15. Qe2 Be7 16. Bc2 Bf8 17. Qe4 g6 18. Bf4 Qa5 19. Ne5 Ne7 20. Qf3 Nf5 21. Ng4 Qxa2 22. Bxf5 exf5 23. Nxh6+ Bxh6 24. Bxh6 Qd5 25. Qf4 Bd7 26. Bg5 Re8 27. Bf6 1-0

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.30"]
[Round "8"]
[White "Koehler, Gerhard"]
[Black "Lutz, Albert"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "2210"]
[BlackElo "2070"]
[PlyCount "85"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 b6 11. b4 f5 12. f3 f4 13. Bf2 Rf7 14. Nd3 g5 15. Rc1 Nf6 16. c5 h5 17. Nb5 Ng6 18. cxd6 cxd6 19. Qc2 Ne8 20. Qd1 Bd7 21. a4 Bf8 22. Nb2 Rg7 23. Kh1 Bc8 24. Rc3 Qd7 25. Qc2 Ba6 26. Rc1 g4 27. Qd1 g3 28. Bg1 gxh2 29. Bxh2 Be7 30. Nc7 Bxe2 31. Qxe2 Rc8 32. Ne6 Rxc3 33. Rxc3 Rh7 34. Qb5 Bh4 35. Qxd7 Rxd7 36. Bg1 Kf7 37. Nd3 Nf8 38. Nxf8 Kxf8 39. b5 Bg3 40. Rc8 Rb7 41. Nb4 Kf7 42. Nc6 Nc7 43. Nd8+ 1-0

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.29"]
[Round "7"]
[White "Ruether, Rudolf"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A44"]
[WhiteElo "2065"]
[BlackElo "2210"]
[PlyCount "146"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. c4 d6 4. Nc3 Ne7 5. e4 a6 6. Bd3 Ng6 7. Nge2 Be7 8. 0-0 0-0 9. Be3 Bg5 10. Qd2 h6 11. f3 Nd7 12. a3 Rb8 13. b4 Bxe3+ 14. Qxe3 Qc7 15. Rac1 b6 16. Rb1 Nf6 17. bxc5 dxc5 18. Rb2 Bd7 19. Bc2 Ne8 20. Rfb1 Nd6 21. Bd3 Rb7 22. a4 a5 23. Kh1 Rfb8 24. Rf1 Qd8 25. Rf2 Qg5 26. Qc1 Qxc1+ 27. Nxc1 Kf8 28. Nb3 Ke7 29. Nd2 h5 30. g3 h4 31. Kg2 Rh8 32. Kf1 Kd8 33. Ke2 Kc7 34. Rb1 Rbb8 35. Rg1 Rh5 36. Ke3 hxg3 37. hxg3 Rbh8 38. Rff1 Rg5 39. f4 Rgh5 40. Rf2 f6 41. f5 Ne7 42. g4 Rh1 43. Rxh1 Rxh1 44. Rf1 Rxf1 45. Bxf1 Nf7 46. Nf3 Nc8 47. Kf2 Kd6 48. Kg3 Ke7 49. Kh4 Nfd6 50. Nd2 Ne8 51. Be2 Ncd6 52. Bd3 Nc7 53. Bf1 Na6 54. Bd3 Nb4 55. Be2 Nf7 56. Nf3 Nc2 57. Bd1 Nd4 58. Ng1 Nd6 59. g5 Nxc4 60. gxf6+ Kxf6 61. Nh3 Nb2 62. Nf2 c4 63. Ng4+ Ke7 64. Nxe5 Nxd1 65. Nxd1 Bxa4 66. Nc3 Bb3 67. Kg5 b5 68. Nxb5 Nxb5 69. Nc6+ Kd6 70. Nxa5 Ba2 71. Nxc4+ Bxc4 72. Kg6 Bd3 73. Kxg7 Bxe4 1/2-1/2

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.28"]
[Round "6"]
[White "Koehler, Gerhard"]
[Black "Hartlieb, Juergen"]
[Result "1-0"]
[ECO "E72"]
[WhiteElo "2210"]
[BlackElo "2013"]
[PlyCount "47"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d4 0-0 6. e4 Nbd7 7. Nge2 e5 8. d5 a5 9. 0-0 Nc5 10. Be3 Ne8 11. f4 f5 12. exf5 Bxf5 13. fxe5 Bxe5 14. Nd4 Ng7 15. Qd2 Qd7 16. Nxf5 Nxf5 17. Bf2 Qg7 18. Rad1 Rae8 19. Rfe1 Bf6 20. Rxe8 Rxe8 21. Nb5 b6 22. g4 Ne7 23. Nxc7 g5 24. Nxe8 1-0

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.27"]
[Round "5"]
[White "Zimmermann, Rolf"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2107"]
[BlackElo "2210"]
[PlyCount "57"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 e5 7. d3 Nge7 8. Bd2 0-0 9. Qc1 a6 10. Bh6 Rb8 11. Ne1 Be6 12. h3 b5 13. Bxg7 Kxg7 14. b3 Qa5 15. e3 Bf5 16. Nd5 Nxd5 17. cxd5 Ne7 18. f4 f6 19. fxe5 fxe5 20. e4 Bd7 21. Nf3 h6 22. Qb2 c4 23. b4 Qb6+ 24. Kh2 Qc7 25. Rac1 Rbc8 26. Rc3 Qa7 27. dxc4 Rxc4 28. Rxc4 bxc4 29. Nxe5 1-0

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.26"]
[Round "4"]
[White "Koehler, Gerhard"]
[Black "Matthey, Harald"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2210"]
[BlackElo "2062"]
[PlyCount "75"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 e6 6. d3 Nge7 7. e4 0-0 8. Nge2 Nd4 9. Rb1 a6 10. 0-0 d6 11. Nxd4 cxd4 12. Ne2 Rb8 13. Bf4 e5 14. Bd2 b5 15. b3 Bd7 16. Bb4 Qb6 17. Qd2 Rfc8 18. f4 Bg4 19. cxb5 Bxe2 20. Qxe2 a5 21. Bd2 Qxb5 22. Rfc1 Rxc1+ 23. Bxc1 Rc8 24. Bf1 Rc3 25. Qd1 a4 26. b4 f5 27. fxe5 dxe5 28. Bg5 Nc8 29. exf5 gxf5 30. Rc1 Nd6 31. Bd2 Rxa3 32. Rc5 Qb6 33. Qc1 Rb3 34. Rc6 Qd8 35. Qc5 Ne8 36. Qc4+ Kh8 37. Qe6 Nc7 38. Rxc7 1-0

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.25"]
[Round "1"]
[White "Fleischer, Matthias"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1899"]
[BlackElo "2210"]
[PlyCount "133"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Nf3 Bg7 4. Bd3 d6 5. Nbd2 0-0 6. 0-0 Nc6 7. c3 Re8 8. Qc2 e5 9. dxe5 Nxe5 10. Nxe5 Rxe5 11. Re1 Bd7 12. Nf1 Bc6 13. Ng3 a5 14. a4 Nd7 15. Be4 d5 16. Bf3 Nb6 17. b3 Qe8 18. Bb2 Re7 19. Rad1 Rd8 20. Ba3 Re5 21. Rc1 Nc8 22. Bc5 Nd6 23. Bd4 Re6 24. Bxg7 Kxg7 25. Red1 Ne4 26. Bxe4 dxe4 27. Rxd8 Qxd8 28. Rd1 Rd6 29. Rxd6 Qxd6 30. h3 Qd5 31. Nf1 g5 32. Nd2 h5 33. Qb2 f6 34. g3 h4 35. Kg2 Qd3 36. c4 hxg3 37. Kxg3 Qd6+ 38. Kg2 Qe6 39. Qd4 Bd7 40. Nxe4 Qxh3+ 41. Kg1 Qf5 42. Nxf6 Bc6 43. Nd5+ Kf7 44. e4 Qg4+ 45. Kf1 Bxd5 46. Qxd5+ Kg6 47. Qd3 Kf6 48. Qd8+ Kg6 49. Qd3 Kf6 50. f3 Qf4 51. Ke2 Qh2+ 52. Kd1 c6 53. Qd8+ Kg6 54. Qg8+ Kf6 55. Qf8+ Kg6 56. Qf5+ Kh6 57. e5 Qh1+ 58. Ke2 Qg2+ 59. Kd1 Qf1+ 60. Kc2 Qf2+ 61. Kb1 Qe1+ 62. Kb2 Qd2+ 63. Qc2 Qe1 64. Qc3 Qe2+ 65. Ka3 b6 66. c5 bxc5 67. Qxc5 1/2-1/2

[Event "GER-ch Seniors 65 36th"]
[Site "Bad Wildungen"]
[Date "2024.08.25"]
[Round "3"]
[White "Hanisch, Friedrich"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2012"]
[BlackElo "2210"]
[PlyCount "70"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 Be7 7. Be2 0-0 8. Nf3 a6 9. a4 Re8 10. 0-0 Bf8 11. Qc2 Bg4 12. h3 Bxf3 13. Bxf3 Nbd7 14. Bf4 g6 15. Rfe1 Ne5 16. Bxe5 Rxe5 17. g3 Re8 18. Re2 Nd7 19. Bg2 Qa5 20. Ra3 Bg7 21. Nd1 h5 22. Ne3 Qd8 23. Nc4 Ne5 24. Nxe5 Bxe5 25. Qc4 h4 26. g4 Qa5 27. Qc2 Reb8 28. Bf1 Qd8 29. Qd3 Qf6 30. Ra2 Qf4 31. Bg2 b5 32. axb5 axb5 33. Rxa8 Rxa8 34. Re1 c4 35. Qb1 Qd2 0-1

[Event "Wch Seniors 65 31st"]
[Site "Terassini"]
[Date "2023.11.05"]
[Round "11"]
[White "Pigott, John C"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2337"]
[BlackElo "2183"]
[PlyCount "63"]
[EventDate "2023.10.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 d5 5. cxd5 Nxd5 6. Bg2 Nc6 7. 0-0 Be7 8. Nc3 cxd4 9. Nxd5 exd5 10. Nxd4 0-0 11. Be3 Be6 12. Rc1 Qd7 13. Nxc6 bxc6 14. Bc5 Rfb8 15. Bxe7 Qxe7 16. b3 Bd7 17. Re1 f5 18. e3 a5 19. Re2 Kh8 20. Rb1 Rb5 21. Rd2 h6 22. Rd4 Rb4 23. Qd2 Rab8 24. Rc1 Qd6 25. Qc3 Rxd4 26. exd4 Qb4 27. h4 a4 28. bxa4 Qxa4 29. Rc2 f4 30. Kh2 fxg3+ 31. fxg3 Qb4 32. Qxb4 1/2-1/2

[Event "Wch Seniors 65 31st"]
[Site "Terassini"]
[Date "2023.11.04"]
[Round "10"]
[White "Koehler, Gerhard"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2183"]
[BlackElo "2390"]
[PlyCount "126"]
[EventDate "2023.10.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. Nc3 Nf6 5. Nf3 Be7 6. d3 0-0 7. 0-0 Na6 8. Rb1 c6 9. b4 Nc7 10. b5 c5 11. a4 Rb8 12. Qb3 Ne6 13. Nd5 f4 14. e3 fxe3 15. Nxe7+ Qxe7 16. Bxe3 Qf7 17. Qd1 b6 18. Nh4 Bb7 19. a5 g6 20. axb6 axb6 21. Ra1 Bxg2 22. Nxg2 Qd7 23. Qe2 Rbe8 24. Qa2 Rf7 25. Qa6 Qd8 26. Qa2 d5 27. Qb2 d4 28. Bd2 e4 29. Qc2 exd3 30. Qxd3 Ng4 31. Rae1 Ng7 32. Bf4 Rxe1 33. Nxe1 Nh5 34. Ng2 Qa8 35. Qe2 Ngf6 36. Re1 Ng7 37. Bg5 Qb7 38. Nf4 Qd7 39. Bxf6 Rxf6 40. Nd5 Rf8 41. Nxb6 Qf7 42. Rf1 Re8 43. Qd3 Nf5 44. Nd5 Nd6 45. b6 Rf8 46. f4 Kg7 47. Re1 Qf5 48. Qxf5 gxf5 49. Nc7 Rb8 50. Rb1 Nxc4 51. b7 Na3 52. Rb3 c4 53. Rxa3 d3 54. Nd5 Rxb7 55. Ra2 Rb5 56. Nc3 Rb3 57. Nd5 c3 58. Nxc3 Rxc3 59. Ra7+ Kg6 60. Rd7 Rc1+ 61. Kf2 Rc2+ 62. Ke3 Rxh2 63. Rxd3 Kf6 1/2-1/2

[Event "Wch Seniors 65 31st"]
[Site "Terassini"]
[Date "2023.10.29"]
[Round "5"]
[White "Roos, Louis"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2257"]
[BlackElo "2183"]
[PlyCount "61"]
[EventDate "2023.10.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Re1 Nbd7 7. e4 e5 8. c3 Re8 9. Nbd2 Bf8 10. Qc2 c6 11. a4 a5 12. b3 Qc7 13. Ba3 d5 14. Bxf8 Kxf8 15. exd5 cxd5 16. dxe5 Nxe5 17. Nxe5 Rxe5 18. Rxe5 Qxe5 19. Nf3 Qh5 20. Qd3 Bg4 21. Qd4 Bxf3 22. Qxf6 Bxg2 23. Qh8+ Ke7 24. Qxa8 Be4 25. Qxb7+ Kf8 26. Qb8+ Kg7 27. Qf4 g5 28. g4 Qh6 29. Qe5+ Kf8 30. Re1 Qb6 31. Qd4 1-0

[Event "Wch Seniors 65 31st"]
[Site "Terassini"]
[Date "2023.10.28"]
[Round "4"]
[White "Koehler, Gerhard"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2183"]
[BlackElo "2358"]
[PlyCount "86"]
[EventDate "2023.10.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 e5 6. d3 Nge7 7. Nd2 d6 8. Nf1 Be6 9. Ne3 0-0 10. Ned5 Rb8 11. h4 h5 12. e3 a6 13. a4 Bg4 14. Qb3 Nxd5 15. Nxd5 Na5 16. Qc2 b5 17. axb5 axb5 18. Bd2 b4 19. 0-0 Nc6 20. Ra6 b3 21. Qb1 Ne7 22. Re1 Nxd5 23. Bxd5 Be6 24. Bxe6 fxe6 25. e4 Ra8 26. Qa1 Qc8 27. Rxa8 Qxa8 28. Qxa8 Rxa8 29. Bg5 Kf7 30. Kf1 Ra2 31. Rb1 d5 32. Ke2 d4 33. f3 Bf6 34. Bd2 Bd8 35. Kd1 Ba5 36. Bg5 Bb4 37. Bh6 Ba5 38. Bg5 Bc7 39. Bd2 Bd8 40. Bh6 Be7 41. Bd2 Kg7 42. Ke2 Bd8 43. Bc1 Be7 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.28"]
[Round "9.4"]
[White "Kierzek, Matthias"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "2165"]
[BlackElo "2189"]
[PlyCount "74"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Germany 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Nfd7 7. Nf3 e5 8. d5 a5 9. g4 Na6 10. Bd3 c6 11. a3 Nb6 12. Nd2 Bf6 13. Nb3 Bg5 14. Qd2 Bxe3 15. Qxe3 a4 16. Nd2 Nc5 17. Bc2 Kg7 18. 0-0-0 h6 19. Rdf1 Nbd7 20. h4 Nf6 21. f3 Bd7 22. g5 Nh5 23. Ne2 Qe7 24. f4 exf4 25. Nxf4 Nxf4 26. gxh6+ Kh7 27. Rxf4 cxd5 28. cxd5 Bb5 29. Nf3 Nd7 30. h5 Ne5 31. hxg6+ fxg6 32. Nxe5 Qxe5 33. Rxf8 Rxf8 34. Qb6 Rf1+ 35. Rxf1 Bxf1 36. Qxb7+ Kxh6 37. Qf7 Bb5 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.27"]
[Round "8.4"]
[White "Koehler, Gerhard"]
[Black "Santolini, Luigi"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2189"]
[BlackElo "2178"]
[PlyCount "73"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Italy 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ITA"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. d4 Nc6 6. cxd5 exd5 7. Be2 cxd4 8. Nxd4 Bc5 9. 0-0 0-0 10. Nxc6 bxc6 11. b3 Qe7 12. Bb2 Bd6 13. Bf3 Rd8 14. Qd4 Be5 15. Qh4 Bb7 16. Na4 Bxb2 17. Nxb2 Ba6 18. Rfd1 Rac8 19. Qa4 Qb7 20. Rac1 Qb6 21. Qa3 Bb5 22. Nd3 Bxd3 23. Rxd3 Ne4 24. Bxe4 dxe4 25. Rdc3 Qb5 26. Rc4 Rd2 27. Qa4 Rcd8 28. Rf1 Qf5 29. Rcc1 a5 30. h3 h6 31. Qxc6 Rxa2 32. Qc5 Qxc5 33. Rxc5 Rdd2 34. Re5 Rdb2 35. Rxe4 Rxb3 36. Rd1 Rb7 37. Rf4 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.26"]
[Round "7.4"]
[White "Giffard, Nicolas"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2155"]
[BlackElo "2189"]
[PlyCount "53"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "France 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 d6 5. Nf3 h6 6. Bh4 0-0 7. e3 g5 8. Bg3 Nh5 9. Nd2 Nxg3 10. hxg3 c5 11. dxc5 dxc5 12. Qc2 Nc6 13. a3 Qa5 14. Nb3 Qc7 15. Nd5 Qe5 16. 0-0-0 Bf5 17. Bd3 Bxd3 18. Rxd3 e6 19. f4 Qf5 20. Nc3 Qg4 21. Qe2 Qxe2 22. Nxe2 b6 23. g4 Rfd8 24. Rhd1 Rxd3 25. Rxd3 Rd8 26. Rxd8+ Nxd8 27. Nd2 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.24"]
[Round "6.4"]
[White "Petran, Peter"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2190"]
[BlackElo "2189"]
[PlyCount "73"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Slovakia 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. g3 d5 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 c6 7. b3 dxc4 8. bxc4 c5 9. e3 Nc6 10. Bb2 Qb6 11. Qb3 Na5 12. Qxb6 axb6 13. Nbd2 Bf5 14. Ne5 Ng4 15. Nef3 Nc6 16. h3 Nf6 17. Ne5 Nxe5 18. dxe5 Rfd8 19. Nb3 Nd7 20. f4 Nf8 21. Rfc1 Ra4 22. Bxb7 Bxh3 23. Bc6 Ra7 24. a4 Bg4 25. Kf2 h5 26. Bc3 f6 27. exf6 Bxf6 28. Bxf6 exf6 29. Bd5+ Kg7 30. a5 bxa5 31. Rxa5 Rxa5 32. Nxa5 Nd7 33. Rb1 Rb8 34. Rb7 Rxb7 35. Nxb7 Kf8 36. e4 Ke7 37. Ke3 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.23"]
[Round "5.4"]
[White "Koehler, Gerhard"]
[Black "Peretz, Malkiel"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2189"]
[BlackElo "2154"]
[PlyCount "112"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Israel 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ISR"]

1. c4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 g6 5. a3 Bg7 6. Rb1 0-0 7. b4 d6 8. d3 Be6 9. bxc5 Nd7 10. Bd2 Nxc5 11. Nf3 Rc8 12. h4 Bg4 13. Qc1 Qd7 14. 0-0 Bxf3 15. Bxf3 Nd4 16. Bg2 Ncb3 17. Qd1 Nxd2 18. Qxd2 b6 19. e3 Nc6 20. Nd5 e6 21. Nf4 Ne5 22. Rb5 d5 23. Rb4 dxc4 24. d4 c3 25. Qc2 Nc6 26. Rc4 e5 27. d5 Na5 28. Rxc8 Rxc8 29. Ne2 Qd6 30. Rd1 Bf8 31. Rd3 Qxa3 32. Rxc3 Rxc3 33. Nxc3 Qc5 34. Qd2 Nc4 35. Qd3 Nd6 36. Ne4 Nxe4 37. Qxe4 Bd6 38. Qa4 b5 39. Qa5 b4 40. Qa4 Kg7 41. Bf3 Qc1+ 42. Kg2 Qa3 43. Bd1 Qxa4 44. Bxa4 a5 45. Kf3 f5 46. Ke2 e4 47. Kd2 Kf6 48. Kc2 Ke5 49. Bc6 b3+ 50. Kxb3 Bb4 51. Kc4 Be1 52. Be8 Bxf2 53. Kc5 Bxg3 54. h5 gxh5 55. Bxh5 Bh4 56. d6 Bg5 0-1

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.22"]
[Round "4.4"]
[White "Povah, Nigel Edward"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2229"]
[BlackElo "2189"]
[PlyCount "54"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "England 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bg5 c5 3. d5 d6 4. Nc3 h6 5. Bxf6 exf6 6. e4 a6 7. a4 g6 8. Bd3 Bg7 9. h3 Nd7 10. f4 f5 11. Nf3 Bxc3+ 12. bxc3 fxe4 13. Bxe4 0-0 14. 0-0 Nf6 15. Nd2 Bd7 16. c4 b5 17. axb5 axb5 18. cxb5 Bxb5 19. Re1 Re8 20. Bf3 Rxa1 21. Qxa1 Rxe1+ 22. Qxe1 Qa5 23. Qe3 Qa1+ 24. Kh2 Qc1 25. Nc4 Qxe3 26. Nxe3 Nd7 27. Kg1 Kf8 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.21"]
[Round "3.4"]
[White "Koehler, Gerhard"]
[Black "Trajkovski, Mile"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2189"]
[BlackElo "1947"]
[PlyCount "87"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Macedonia 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "MKD"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 Nf6 6. Rb1 0-0 7. b4 d6 8. d3 Nd7 9. Bd2 a5 10. bxc5 Nxc5 11. a4 Nb4 12. Nb5 Bf5 13. Nf3 Nbxd3+ 14. exd3 Nxd3+ 15. Kf1 Nb2 16. Rxb2 Bxb2 17. Qb3 Bg7 18. Nfd4 Bc8 19. h4 h5 20. Bf3 Rb8 21. Kg2 Bd7 22. Re1 e5 23. Nc2 Bc6 24. Ne3 Qd7 25. Nd5 Bxd5 26. Bxd5 b6 27. Qa3 Kh7 28. Qxd6 Qxd6 29. Nxd6 f6 30. Be3 Bh6 31. Bxh6 Kxh6 32. Rb1 Kg7 33. Nb7 Rfe8 34. Rxb6 f5 35. Rb5 e4 36. Nxa5 Rxb5 37. axb5 e3 38. fxe3 Rxe3 39. b6 Re2+ 40. Kf3 Rb2 41. b7 Kf6 42. Ke3 Rb6 43. c5 Rb5 44. c6 1-0

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.20"]
[Round "2.4"]
[White "Kivimaki, Jaakko"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2172"]
[BlackElo "2189"]
[PlyCount "63"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Finland 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. b4 Bg7 4. e3 0-0 5. a4 a5 6. b5 d6 7. c3 e5 8. Be2 e4 9. Nfd2 Re8 10. h3 Nbd7 11. Bb2 Nf8 12. Qc2 Qe7 13. c4 h5 14. Nc3 Bf5 15. Nd5 Nxd5 16. cxd5 Qd7 17. Rc1 Re7 18. b6 Rc8 19. bxc7 Rxc7 20. Qxc7 Qxc7 21. Rxc7 Rxc7 22. Bc4 Bd7 23. Bb3 b5 24. Ke2 f5 25. Rc1 Rxc1 26. Bxc1 bxa4 27. Ba2 Bf6 28. Ba3 Be7 29. Nc4 Bb5 30. Ke1 Bxc4 31. Bxc4 Nd7 32. Kd2 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Struga"]
[Date "2023.09.19"]
[Round "1.4"]
[White "Koehler, Gerhard"]
[Black "Binder, Beat"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2189"]
[BlackElo "1846"]
[PlyCount "81"]
[EventDate "2023.09.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "MKD"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Switzerland 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SUI"]

1. c4 Nc6 2. g3 e5 3. Bg2 Nf6 4. Nc3 Bb4 5. Nd5 Be7 6. d3 Nxd5 7. cxd5 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 Ne7 10. Qc3 Ng6 11. Nf3 d6 12. Rc1 Ne7 13. Nd2 f5 14. Qxc7 Qxc7 15. Rxc7 Kd8 16. Rc2 Bd7 17. Nc4 Nc8 18. Na5 Rb8 19. Kd2 b6 20. Nc6+ Bxc6 21. Rxc6 Kd7 22. Rhc1 Rb7 23. e4 g6 24. Ke3 Ne7 25. Bf3 Rc8 26. Rxc8 Nxc8 27. Bd1 Rc7 28. Ba4+ Kd8 29. Bc6 Ne7 30. f4 exf4+ 31. gxf4 h6 32. h4 h5 33. Rc3 Ng8 34. e5 Ke7 35. Kd4 Nh6 36. Rc1 Ng4 37. Re1 dxe5+ 38. fxe5 Kf7 39. b4 Kf8 40. b5 Kf7 41. d6 1-0

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.06.03"]
[Round "9"]
[White "Kierzek, Mira"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "1955"]
[BlackElo "2205"]
[PlyCount "98"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c5 6. Bg2 Bb7 7. dxc5 Bxc5 8. 0-0 0-0 9. Nc3 Be7 10. a3 d6 11. Rd1 a6 12. e4 Qc7 13. Qe2 Nbd7 14. Bf4 Ne5 15. Nxe5 dxe5 16. Bg5 Rac8 17. Bxf6 Bxf6 18. Bf1 Rfd8 19. Rxd8+ Rxd8 20. Rd1 Rd4 21. Kg2 g6 22. f3 Bg7 23. Qe3 Qd8 24. Be2 h5 25. Kh3 Kh7 26. Rxd4 exd4 27. Qd3 Qe8 28. Nd1 e5 29. Nf2 Bh6 30. Qb3 Qe6+ 31. Kg2 Bc8 32. h3 Be3 33. g4 Bxf2 34. Kxf2 Qf6 35. Kg2 h4 36. Kf2 Qf4 37. Bf1 Qg3+ 38. Ke2 Be6 39. Qc2 Qh2+ 40. Kd1 Qxc2+ 41. Kxc2 Kh6 42. b4 Kg5 43. c5 bxc5 44. bxc5 Kf4 45. Bxa6 Kg3 46. Bf1 Kf2 47. Bd3 Kg2 48. c6 Kxh3 49. c7 Kg3 0-1

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.06.02"]
[Round "8"]
[White "Koehler, Gerhard"]
[Black "Van Hoolandt, Patrick"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2205"]
[BlackElo "2035"]
[PlyCount "101"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Re8 6. 0-0 e4 7. Nd4 Nc6 8. Nc2 Bxc3 9. dxc3 h6 10. Ne3 d6 11. b3 a5 12. a4 b6 13. Qc2 Qe7 14. Rd1 Bd7 15. Nd5 Nxd5 16. cxd5 Nb8 17. Rd4 Bf5 18. Be3 Nd7 19. h3 Nf6 20. Kh2 Bg6 21. Qd2 Nd7 22. Qd1 f5 23. Qc2 Bh7 24. Re1 Qf7 25. Qd1 Nf6 26. Qd2 Re5 27. Rd1 g5 28. c4 Rae8 29. Qc3 f4 30. Bc1 Bg6 31. e3 fxg3+ 32. fxg3 Nd7 33. Bb2 Kh7 34. Rf1 Qg8 35. Rd2 Rf8 36. Rdf2 Rxf2 37. Rxf2 Nc5 38. Qc2 Re8 39. Ba1 Nd3 40. Rf6 Rf8 41. Qc3 Ne5 42. Re6 Re8 43. Rxe8 Qxe8 44. Qc2 Nd3 45. Qc3 Ne5 46. Qd4 Qf8 47. Kg1 Nd3 48. Bxe4 Qf2+ 49. Kh1 Qf1+ 50. Kh2 Qf2+ 51. Kh1 1/2-1/2

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.06.01"]
[Round "7"]
[White "Iudicello, Giovanni"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2081"]
[BlackElo "2205"]
[PlyCount "77"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. 0-0 d6 6. e4 c5 7. Nc3 Nc6 8. Bd2 e5 9. Qc1 Rb8 10. Bh6 b5 11. Bxg7 Kxg7 12. Qd2 b4 13. Nd1 Ng8 14. Nh4 a5 15. f4 f6 16. Ne3 Be6 17. f5 Bf7 18. fxg6 hxg6 19. Rf2 Be6 20. Raf1 Qd7 21. Qd1 Nce7 22. g4 Nh6 23. h3 a4 24. b3 Rbd8 25. Qf3 g5 26. Nhf5+ Nhxf5 27. gxf5 Bf7 28. h4 g4 29. Nxg4 Bh5 30. Qg3 Kh8 31. Nxf6 Rxf6 32. Qg5 Ng8 33. Qxh5+ Rh6 34. Qg5 Rf8 35. f6 Rf7 36. Rf3 axb3 37. axb3 Qd8 38. Rg3 Rfxf6 39. Qg7# 1-0

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.05.31"]
[Round "6"]
[White "Koehler, Gerhard"]
[Black "Polster, Wolfgang"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2205"]
[BlackElo "2189"]
[PlyCount "110"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 h6 4. Nc3 Bb4 5. Nf3 e4 6. Nd4 Bxc3 7. dxc3 0-0 8. 0-0 c6 9. Bf4 d5 10. cxd5 cxd5 11. Qb3 Nc6 12. Rad1 Bg4 13. f3 Na5 14. Qc2 exf3 15. exf3 Bd7 16. Rfe1 Re8 17. Bf1 Qb6 18. Kg2 Rac8 19. Qf2 Nc4 20. Bc1 Ne5 21. Qc2 Qa5 22. Qb1 a6 23. Nb3 Qa4 24. Nd4 Qa5 25. Bf4 Nc4 26. Bc1 Qb6 27. b3 Ne5 28. Bb2 h5 29. h4 Qc7 30. Qc1 Re7 31. Qf4 Ree8 32. Rd2 Nh7 33. Nf5 f6 34. Ne3 Qa5 35. a3 Bc6 36. Nf5 Rcd8 37. Nd4 Kf7 38. Qf5 g6 39. Qc2 Nf8 40. Rde2 Bd7 41. Re3 Qb6 42. c4 Rc8 43. f4 Ng4 44. Rxe8 Rxe8 45. Rxe8 Bxe8 46. Qd2 Bc6 47. Nxc6 bxc6 48. c5 Qxb3 49. Bxa6 Ne6 50. Be2 Nxc5 51. Qc3 Qxc3 52. Bxc3 Na4 53. Bd2 Ke6 54. Bd1 Nb2 55. Bc2 Nc4 0-1

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.05.30"]
[Round "5"]
[White "Rooze, Jan"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2268"]
[BlackElo "2205"]
[PlyCount "95"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 Ngf6 5. 0-0 e6 6. d3 Be7 7. c4 0-0 8. Nc3 Ne5 9. Ne1 Qc7 10. f4 Nc6 11. g4 Nd4 12. g5 Ne8 13. Ne2 Nxe2+ 14. Qxe2 g6 15. Ng2 Ng7 16. Ne3 f5 17. gxf6 Bxf6 18. Ng4 Bd4+ 19. Be3 Bxe3+ 20. Nxe3 b6 21. Rf2 Bb7 22. Raf1 Rad8 23. Qg4 Kh8 24. Qg5 d5 25. Bc2 dxe4 26. dxe4 Rd4 27. Qe5 Qxe5 28. fxe5 Rxf2 29. Rxf2 Nh5 30. Nd5 Kg8 31. Nc3 Bc6 32. b3 Kg7 33. Ne2 Rd2 34. Nf4 Rxf2 35. Nxe6+ Kf7 36. Ng5+ Ke7 37. Kxf2 h6 38. Nf3 g5 39. Ke3 Bd7 40. Ng1 Nf4 41. Bd1 Ng6 42. Ne2 Nxe5 43. Nc3 Bc6 44. Be2 Kf6 45. Bh5 Ke6 46. Ne2 Kf6 47. Nc3 Nf7 48. Nd1 1/2-1/2

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.05.29"]
[Round "4"]
[White "Koehler, Gerhard"]
[Black "Gnirenko, Vitaliy"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2205"]
[PlyCount "121"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 f5 3. g3 Nf6 4. Bg2 Bb4 5. Qc2 0-0 6. a3 Bxc3 7. Qxc3 d6 8. Nf3 e5 9. d3 Nc6 10. 0-0 Qe8 11. b4 Qh5 12. b5 Nd8 13. c5 Ne6 14. a4 e4 15. Nd4 Nxc5 16. Nb3 Nxb3 17. Qxb3+ Qf7 18. Qc2 Qe7 19. Bg5 d5 20. Rac1 Rf7 21. Bf4 Ne8 22. Qc5 Be6 23. Rc2 Qxc5 24. Rxc5 Rc8 25. Rfc1 Rd7 26. f3 exd3 27. exd3 d4 28. Be5 b6 29. R5c2 Bd5 30. f4 Bxg2 31. Kxg2 Kf7 32. Kf3 g6 33. Rc6 Ng7 34. Bxc7 Ne6 35. Be5 Rcd8 36. Ke2 Nc5 37. Rc4 Nb7 38. Rc7 Na5 39. Rxd4 Rxc7 40. Rxd8 Re7 41. d4 Nc4 42. Kd3 Na5 43. h3 Nb7 44. Ra8 Ke6 45. Rxa7 Kd5 46. Ra8 Rd7 47. Rc8 Na5 48. Bc7 Nc4 49. a5 bxa5 50. b6 Nd6 51. Bxd6 Kxd6 52. Kc4 Re7 53. Rc5 a4 54. Re5 Rb7 55. Kb5 a3 56. Re3 a2 57. Ra3 Kd5 58. Rxa2 Kxd4 59. Kc6 Rf7 60. b7 Rf6+ 61. Kb5 1-0

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.05.28"]
[Round "3"]
[White "Biro, Sandor"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2089"]
[BlackElo "2205"]
[PlyCount "138"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 0-0 5. Bg2 a5 6. a4 d6 7. d4 Nbd7 8. 0-0 e5 9. dxe5 Ng4 10. Nc3 Ngxe5 11. Nd4 Nc5 12. e4 Bd7 13. Nd5 Nc6 14. Nxc6 Bxc6 15. Bxg7 Kxg7 16. Qd4+ f6 17. f4 Bxd5 18. Qxd5 Qe7 19. Rae1 Rae8 20. h4 h6 21. Bf3 Kh7 22. Re2 Qf7 23. Qd2 b6 24. Rfe1 Re7 25. h5 Rfe8 26. Qd1 g5 27. Bg4 Kg7 28. fxg5 hxg5 29. h6+ Kh8 30. Qd4 Re5 31. Bf5 Qe7 32. Bg6 Rg8 33. Bf5 Qf7 34. Re3 Rge8 35. c4 Qh5 36. g4 Qf7 37. Rf1 Ne6 38. Qc3 Nc5 39. Qd4 Qe7 40. Bg6 Rg8 41. Bf5 Ne6 42. Qd1 Nc5 43. Qf3 Rf8 44. Rfe1 Ne6 45. Qd1 Nf4 46. Qd2 Re8 47. Rf3 Ne6 48. Ref1 Nc5 49. Qd4 Rg8 50. Re1 Qf8 51. Kg2 Qe7 52. Ref1 Rf8 53. Kg3 Nxe4+ 54. Bxe4 Rxe4 55. Rxf6 Rxd4 56. Rxf8+ Qxf8 57. Rxf8+ Kh7 58. Rf7+ Kxh6 59. Rxc7 Rd3+ 60. Kf2 Rxb3 61. Rc6 Rb4 62. Rxd6+ Kg7 63. Rc6 Kf7 64. Ke3 Rxa4 65. Rxb6 Rxc4 66. Rb5 Rxg4 67. Rxa5 Kg6 68. Kf3 Rb4 69. Ra3 Kh5 1/2-1/2

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.05.27"]
[Round "2"]
[White "Koehler, Gerhard"]
[Black "Goli, Daniele"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2205"]
[BlackElo "1971"]
[PlyCount "83"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 g6 5. Nf3 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 a6 9. Rb1 Qc7 10. Nc2 d6 11. Ne3 Be6 12. Ned5 Bxd5 13. cxd5 Ne5 14. Be3 Rac8 15. Bh3 Nfg4 16. Bd4 f5 17. e3 Nf6 18. e4 Qd7 19. exf5 gxf5 20. Qe2 Nfg4 21. Rbd1 Qe8 22. f4 Qh5 23. Kg2 Ng6 24. Rfe1 Bxd4 25. Rxd4 Rf6 26. Bxg4 Qxg4 27. Qxg4 fxg4 28. Re2 Rc7 29. Ne4 Rf5 30. Ng5 Rc5 31. Red2 Nf8 32. Ne4 Rc7 33. Nf2 h5 34. h3 gxh3+ 35. Kxh3 Ng6 36. Ne4 Kg7 37. Ng5 Nf8 38. Re2 Rf6 39. Rde4 Rc5 40. Rxe7+ Kg6 41. Ne4 Rf5 42. Ng5 1-0

[Event "EU-ch Seniors 65 22nd"]
[Site "Acqui Terme"]
[Date "2023.05.26"]
[Round "1"]
[White "Patola, Eero"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1783"]
[BlackElo "2205"]
[PlyCount "98"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. d3 Nf6 7. h3 0-0 8. Nge2 Ne8 9. 0-0 Nc7 10. Rb1 Ne6 11. f4 Rb8 12. Kh2 Ned4 13. Nxd4 Nxd4 14. Be3 Bd7 15. Ne2 b5 16. b3 bxc4 17. Bxd4 cxd3 18. Bxg7 dxe2 19. Qxe2 Kxg7 20. f5 f6 21. Rf2 a5 22. h4 a4 23. Qc2 Qa5 24. Bh3 axb3 25. axb3 Rb4 26. g4 Bc6 27. Bg2 Qa8 28. Re1 Qb7 29. Re3 Rb8 30. fxg6 Rxb3 31. Rxb3 Qxb3 32. Qxb3 Rxb3 33. gxh7 Kxh7 34. g5 fxg5 35. Rf7+ Kg6 36. Rxe7 Rd3 37. hxg5 Kxg5 38. Rc7 Be8 39. e5 dxe5 40. Re7 Kf4 41. Rxe8 c4 42. Rc8 c3 43. Rc4+ Ke3 44. Re4+ Kd2 45. Rc4 c2 46. Be4 Rc3 47. Rxc3 Kxc3 48. Bxc2 Kxc2 49. Kg2 e4 0-1

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.18"]
[Round "4"]
[White "Koehler, Gerhard"]
[Black "Bruns, Patrick"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2250"]
[BlackElo "1736"]
[PlyCount "51"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 b6 5. Bb2 Bb7 6. Be2 Nbd7 7. 0-0 c5 8. cxd5 exd5 9. d4 Bd6 10. Nc3 Rc8 11. Nh4 0-0 12. Nf5 Bb8 13. Bf3 Re8 14. dxc5 Nxc5 15. Nb5 Ne6 16. Rc1 Ne4 17. Rxc8 Bxc8 18. Nbd4 Qc7 19. g3 Ba6 20. Nxe6 fxe6 21. Nxg7 Re7 22. Nh5 Bxf1 23. Kxf1 Rf7 24. Bxe4 dxe4 25. Qg4+ Kf8 26. Ba3+ 1-0

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.17"]
[Round "3"]
[White "Unterkoffler, Thomas"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "1855"]
[BlackElo "2250"]
[PlyCount "94"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 b5 6. cxb5 Bxb5 7. Bg2 Bc6 8. 0-0 Be7 9. Nbd2 0-0 10. Qc2 a5 11. a3 a4 12. b4 Bb5 13. Nc4 Ra6 14. Nce5 d6 15. Nd3 Nc6 16. Bb2 Qb8 17. Rac1 Qa7 18. e3 Rd8 19. Rfd1 d5 20. Nd2 Nb8 21. Bf1 c6 22. Nc5 Rb6 23. h3 Nbd7 24. Kh2 Rbb8 25. Nf3 Nb6 26. Ne5 Bf8 27. Bxb5 cxb5 28. Nc6 Qa8 29. Nxb8 Rxb8 30. Nd3 Ne4 31. Kg2 Nc4 32. Ne5 Ned6 33. Nxc4 Nxc4 34. Ra1 Rc8 35. Qe2 Rc7 36. Rd3 Qc8 37. Rc3 Bd6 38. Rac1 Qb8 39. R3c2 f5 40. Kh2 Rf7 41. Rg1 Qd8 42. f4 Qb8 43. Bc1 Qd8 44. Qf3 Bf8 45. Kh1 Rc7 46. Rgg2 Bd6 47. g4 Bf8 1/2-1/2

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.16"]
[Round "2"]
[White "Koehler, Gerhard"]
[Black "Schmitz, Tim"]
[Result "1/2-1/2"]
[ECO "E99"]
[WhiteElo "2250"]
[BlackElo "1860"]
[PlyCount "79"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nd3 Nf6 14. c5 Ng6 15. Rc1 Rf7 16. a4 h5 17. Nb5 a6 18. Na3 Bf8 19. Nc4 g4 20. cxd6 Bxd6 21. b4 Rg7 22. a5 gxf3 23. Bxf3 Ng4 24. Nc5 Bxc5 25. bxc5 Nh4 26. Be1 Qg5 27. d6 Nxg2 28. Bxg2 Nxh2 29. Rc2 Nxf1 30. Qd5+ Kh7 31. Kxf1 f3 32. Qxe5 fxg2+ 33. Kg1 Qxe5 34. Nxe5 Bh3 35. Rd2 Rf8 36. Bf2 cxd6 37. cxd6 Bd7 38. Nxd7 Rxd7 39. Kxg2 Kg6 40. Bg3 1/2-1/2

[Event "Rottach Egern Seniors Cup 11th"]
[Site "Rottach Egern"]
[Date "2023.04.15"]
[Round "1"]
[White "Gerl, Hans Peter"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "1875"]
[BlackElo "2250"]
[PlyCount "81"]
[EventDate "2023.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. d5 e6 8. Nge2 exd5 9. cxd5 Re8 10. Qd2 a6 11. a4 Nbd7 12. a5 Ne5 13. Nc1 b5 14. axb6 Qxb6 15. Be2 Bd7 16. 0-0 Reb8 17. h3 Bc8 18. Ra2 Qb4 19. b3 Ne8 20. Rc2 Nd7 21. Bc4 Nc7 22. Nd3 Qb7 23. Bf4 Ne8 24. Bg3 Qc7 25. f4 Nb6 26. Rcc1 Nxc4 27. bxc4 Bd7 28. e5 Rb3 29. Rb1 Rxb1 30. Rxb1 a5 31. Re1 a4 32. Kh2 a3 33. Qa2 Bf5 34. Nb5 Qa5 35. Re3 Bd7 36. Nxd6 Nxd6 37. exd6 Bf5 38. Ne5 Qb4 39. d7 Bxe5 40. fxe5 Bxd7 41. Rb3 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6"]
[White "Koehler, Gerhard"]
[Black "Braeunlin, Herbert"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2241"]
[BlackElo "2077"]
[PlyCount "65"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 g6 4. Nc3 Nc6 5. a3 Bg7 6. Rb1 h5 7. Nf3 d6 8. b4 cxb4 9. axb4 Bf5 10. d3 Ng4 11. Bd2 h4 12. h3 hxg3 13. hxg4 Rxh1+ 14. Bxh1 gxf2+ 15. Kxf2 Bxg4 16. Ne4 Qd7 17. Qa4 f5 18. Neg5 e5 19. Bg2 0-0-0 20. b5 Nb8 21. Qxa7 e4 22. Nd4 Re8 23. dxe4 Bf6 24. Be3 Qe7 25. Nge6 f4 26. Nxf4 Be5 27. Ke1 Qh4+ 28. Kd2 Bxf4 29. Bxf4 Qf2 30. Bxd6 Rd8 31. Qxb8+ Kd7 32. Qc7+ Ke8 33. Qe7# 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5"]
[White "Brustkern, Juergen"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2182"]
[BlackElo "2241"]
[PlyCount "55"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 d6 4. Nc3 h6 5. Bh4 g5 6. Bg3 Nh5 7. e4 Nxg3 8. hxg3 Bg7 9. Bb5+ Nd7 10. a4 a6 11. Be2 Qa5 12. Nf3 Nf6 13. Nd2 Bd7 14. Ra3 Qc7 15. Nc4 0-0 16. a5 Rad8 17. 0-0 e6 18. Ne3 Rfe8 19. Bc4 exd5 20. Ncxd5 Nxd5 21. Nxd5 Qc6 22. Qf3 Re6 23. Rb3 Rde8 24. Rb6 Qc8 25. Ne3 Rf6 26. Qd1 Rxe4 27. Bd5 Rd4 28. Qe2 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4"]
[White "Koehler, Gerhard"]
[Black "Krischer, Markus"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2241"]
[BlackElo "1913"]
[PlyCount "41"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 a6 10. Rb1 Bd7 11. f3 Rc8 12. Qd2 Re8 13. Rfd1 Ne5 14. b3 Qa5 15. Rbc1 Rb8 16. Bf1 b5 17. cxb5 axb5 18. Ncxb5 Qxd2 19. Rxd2 Nxf3+ 20. gxf3 e5 21. Nc6 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3"]
[White "Jandke, Manfred"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2061"]
[BlackElo "2241"]
[PlyCount "40"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. d4 d6 6. 0-0 Nc6 7. b3 a6 8. Bb2 Rb8 9. Qc1 Bd7 10. Rd1 Qc8 11. d5 Na7 12. e4 c5 13. e5 Ne8 14. a4 Bg4 15. Re1 Bxf3 16. Bxf3 dxe5 17. Bxe5 Bxe5 18. Rxe5 Qc7 19. Qe3 Nc8 20. Nc3 Ned6 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2"]
[White "Koehler, Gerhard"]
[Black "Schellknecht, Joerg"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2241"]
[BlackElo "1903"]
[PlyCount "115"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. Nf3 d5 4. e3 c5 5. cxd5 Nxd5 6. Be2 Nc6 7. 0-0 Be7 8. d3 0-0 9. Bd2 b6 10. a3 Bb7 11. Rb1 Bf6 12. Ne4 Be7 13. Qa4 f5 14. Nc3 Bf6 15. Rfc1 Ne5 16. Ne1 Qe8 17. Qxe8 Rfxe8 18. b4 Be7 19. bxc5 Bxc5 20. Nb5 a6 21. d4 axb5 22. dxc5 bxc5 23. Bxb5 Re7 24. a4 Rc7 25. Rb2 Ba6 26. f3 Bxb5 27. axb5 Nd7 28. Kf2 Kf7 29. Ke2 g6 30. Rc4 N5b6 31. Rc1 Ra3 32. e4 e5 33. Nc2 Ra4 34. exf5 gxf5 35. Ne3 Ke6 36. Rbc2 c4 37. Bc3 Nc5 38. Rd1 Rd7 39. Rxd7 Ncxd7 40. g4 f4 41. Nd1 Ra3 42. Bb4 Rb3 43. Rb2 Nd5 44. Rxb3 cxb3 45. Ba3 N7b6 46. Kd3 Nc7 47. Nc3 Nbd5 48. Nxd5 Nxb5 49. Nxf4+ exf4 50. Bb2 Kd5 51. h4 Nd6 52. Bc1 Nc4 53. Bxf4 b2 54. Kc2 Kd4 55. h5 Ne5 56. Bxe5+ Kxe5 57. g5 Kf5 58. f4 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.24"]
[Round "1"]
[White "Fiss, Wolfgang"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "1803"]
[BlackElo "2241"]
[PlyCount "106"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. dxc5 Qa5 7. Qa4+ Qxa4 8. Nxa4 Nxe4 9. cxd6 Nxd6 10. Bd2 Ne4 11. Nf3 Nxd2 12. Nxd2 Nc6 13. a3 0-0 14. Nf3 Bf5 15. Be2 Bc2 16. Nc3 Bxc3+ 17. bxc3 Na5 18. Ra2 Be4 19. 0-0 Rac8 20. Nd2 Bf5 21. Rb2 b6 22. Rb4 Rfd8 23. Nf3 Be6 24. Nd4 Bxc4 25. f5 Bxe2 26. Nxe2 Rd2 27. fxg6 hxg6 28. Ng3 Ra2 29. Rbf4 f6 30. Re1 Kf7 31. Rh4 Nc6 32. a4 Ne5 33. Rh7+ Ke6 34. Ne2 Rxa4 35. Rd1 Nc6 36. Nd4+ Nxd4 37. Re1+ Kd6 38. cxd4 Rc7 39. d5 a5 40. Re6+ Kxd5 41. Rxb6 Ra2 42. h3 a4 43. Kh2 Rcc2 44. Rxe7 Rxg2+ 45. Kh1 Rgc2 46. Re1 Rf2 47. Kg1 a3 48. Rb3 Rg2+ 49. Kh1 Rgd2 50. Rc1 Kd4 51. Kg1 Rd3 52. Rb4+ Ke3 53. Rg4 Rb2 0-1

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.24"]
[Round "9"]
[White "Chan, Peng Kong"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2149"]
[BlackElo "2198"]
[PlyCount "82"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 d6 6. a3 e5 7. 0-0 Nge7 8. b4 0-0 9. Rb1 h6 10. d3 f5 11. Bd2 Rb8 12. b5 Nd4 13. e3 Ne6 14. Qa4 Ra8 15. Ne1 Nc7 16. Qb3 Kh7 17. f4 Ng8 18. Nf3 exf4 19. exf4 Ne6 20. Rbe1 Nf6 21. Kh1 Bd7 22. Re2 Qc7 23. Rfe1 Rae8 24. a4 Nd8 25. Be3 Be6 26. Bg1 Bf7 27. Nd2 Rxe2 28. Rxe2 Ne6 29. Nf3 Re8 30. Rb2 Qa5 31. Re2 Qd8 32. Qd1 Qa5 33. Qb3 Qc7 34. Qd1 Rd8 35. Qe1 Re8 36. Nd5 Qd8 37. Nxf6+ Bxf6 38. a5 Ng7 39. Rxe8 Nxe8 40. Be3 Kg7 41. Bd2 Nc7 1/2-1/2

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.22"]
[Round "7"]
[White "Legky, Nikolay A"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "2350"]
[BlackElo "2198"]
[PlyCount "45"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 c5 6. d5 0-0 7. Nf3 e6 8. Be2 exd5 9. cxd5 Re8 10. e5 dxe5 11. fxe5 Ng4 12. e6 fxe6 13. d6 Bd7 14. 0-0 c4 15. Kh1 Qb6 16. Qe1 Ne3 17. Bxe3 Qxe3 18. Bxc4 Qf4 19. Ne4 Nc6 20. Nfg5 Qe5 21. Qh4 h5 22. Nf7 Qd4 23. Rad1 1-0

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.20"]
[Round "6"]
[White "Koehler, Gerhard"]
[Black "Binham, Timothy F"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2198"]
[BlackElo "2284"]
[PlyCount "104"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Re8 6. 0-0 c6 7. Qc2 d5 8. cxd5 cxd5 9. d4 e4 10. Nd2 Nc6 11. Nb3 h6 12. Bf4 Bf5 13. Rac1 Rc8 14. Qd2 b6 15. f3 Qd7 16. Rfe1 Re6 17. Be3 Rce8 18. f4 h5 19. h3 Ne7 20. a3 Bd6 21. Nd1 Qb5 22. Rc3 Bb8 23. Nf2 Rc6 24. Rec1 Rec8 25. Rxc6 Rxc6 26. Rxc6 Qxc6 27. Kf1 Bc8 28. Nd1 Ba6 29. Nc3 Nf5 30. Kf2 Qd6 31. Na1 h4 32. g4 Nxe3 33. Qxe3 Qxf4+ 34. Qxf4 Bxf4 35. Nc2 Bc4 36. Ne3 Bb3 37. Nb1 Kf8 38. Nd2 Ba4 39. b3 Bc6 40. Nb1 g6 41. Nc2 Ke7 42. Nc3 Bb7 43. Nb5 a6 44. Nc3 Kd7 45. e3 Bg3+ 46. Kg1 Kd6 47. Ne2 g5 48. Bf1 a5 49. Nxg3 hxg3 50. Kg2 Bc6 51. Kxg3 Bd7 52. Be2 Ne8 1/2-1/2

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.19"]
[Round "5"]
[White "Shaffer, Alexander"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1688"]
[BlackElo "2198"]
[PlyCount "104"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Qc7 8. Bb3 Bd7 9. f4 Nc6 10. Be3 Na5 11. Qf3 Nxb3 12. axb3 Bc6 13. f5 e5 14. Nde2 b5 15. g4 Qb7 16. Ng3 d5 17. exd5 Nxd5 18. Nxd5 Bxd5 19. Qf2 f6 20. Rad1 Be7 21. Bc5 Bc6 22. Bxe7 Qxe7 23. Qb6 Qb7 24. Qc5 Rc8 25. Rd6 0-0 26. Qf2 Rfd8 27. Rfd1 Rxd6 28. Rxd6 Qe7 29. Re6 Qd7 30. h3 Qd1+ 31. Nf1 Qd5 32. Kh2 Rd8 33. Ne3 Qe4 34. Kg3 Kf7 35. Kh4 h5 36. Kg3 g5 37. Ng2 h4+ 38. Kh2 Rd7 39. b4 Bb7 40. Nxh4 Qh1+ 41. Kg3 gxh4+ 42. Kxh4 Rd8 43. Rxf6+ Kxf6 44. Qb6+ Qc6 45. Qxd8+ Kf7 46. Qh8 Qf6+ 47. Qxf6+ Kxf6 48. Kg3 Be4 49. c3 Bc2 50. h4 Bd1 51. Kh3 e4 52. Kg3 e3 0-1

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.18"]
[Round "4"]
[White "Koehler, Gerhard"]
[Black "Jansa, Vlastimil"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2198"]
[BlackElo "2390"]
[PlyCount "90"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. a3 a5 6. Nf3 e5 7. d3 Nge7 8. Nd2 d6 9. Nf1 h5 10. h4 0-0 11. Ne3 Rb8 12. Rb1 Be6 13. Ned5 Qd7 14. Bg5 f6 15. Bd2 Kh7 16. Qa4 Rfd8 17. Nxe7 Qxe7 18. Nd5 Qf7 19. Nb6 f5 20. 0-0 f4 21. Qd1 Rf8 22. b4 axb4 23. axb4 Nd4 24. Nd5 Bg4 25. f3 Be6 26. Nc3 Bh6 27. gxf4 exf4 28. Ne4 Qe7 29. bxc5 dxc5 30. Qe1 b6 31. Qf2 Bf5 32. Bc3 Bg7 33. Rfc1 Bxe4 34. dxe4 Bf6 35. Be1 Nc6 36. Kh2 Bd4 37. Qf1 Ne5 38. Bf2 Rfd8 39. Rc2 Qf7 40. Rbc1 Ra8 41. Bh3 Ra4 42. Qd1 Nxc4 43. Bxd4 Rxd4 44. Qg1 Qf6 45. Qf2 Ne3 0-1

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.17"]
[Round "3"]
[White "Bogdanov, Valentin"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2323"]
[BlackElo "2198"]
[PlyCount "108"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 0-0 8. Bd3 dxc4 9. bxc4 c5 10. 0-0 cxd4 11. exd4 b6 12. Bb2 Bb7 13. Ne5 Rc8 14. Rad1 Re8 15. Qe2 Nf8 16. d5 exd5 17. cxd5 Bb4 18. Ne4 Nxe4 19. Qxe4 Bd6 20. Bb5 Re7 21. Qf5 Rc5 22. Nc6 Bxc6 23. Bxc6 Qc7 24. Qh3 Rc2 25. Bd4 Ng6 26. g3 Rxa2 27. Qf5 Ra5 28. Qb1 Ra3 29. Bb2 Rb3 30. Qc2 Rb4 31. Rfe1 Ne5 32. Bxe5 Rxe5 33. Rxe5 Bxe5 34. Re1 g6 35. Qd2 Rb2 36. Qh6 Qd6 37. Qe3 Qf6 38. Re2 Rxe2 39. Qxe2 Bd4 40. Kg2 Bc5 41. f4 a5 42. Qe5 Qxe5 43. fxe5 Bd4 44. e6 fxe6 45. dxe6 Kf8 46. Kf3 Ke7 47. Bd7 Kd6 48. Ke4 Bf6 49. Kd3 Kc5 50. Kc2 Kc4 51. Ba4 b5 52. Bb3+ Kb4 53. h4 a4 54. Bd5 Ka3 0-1

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.16"]
[Round "2"]
[White "Koehler, Gerhard"]
[Black "Braathen, Tom"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2198"]
[BlackElo "2005"]
[PlyCount "82"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. a3 d6 6. Rb1 a5 7. d3 e5 8. Nf3 Nge7 9. 0-0 0-0 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nxe3 14. Bxe3 Nd4 15. b4 cxb4 16. axb4 Rc8 17. Ne4 axb4 18. Rxb4 Bd5 19. Bxd4 exd4 20. Nd2 Bxg2 21. Kxg2 Qd5+ 22. Nf3 Rfe8 23. Re1 Re7 24. Qb3 Qxb3 25. Rxb3 Rc2 26. Kf1 h5 27. Rb4 Rd7 28. Reb1 Re7 29. Re1 Rd7 30. Reb1 Re7 31. Ng1 Rcc7 32. R1b2 g5 33. h3 Bf6 34. Nf3 Red7 35. g4 Kg7 36. Rb6 Re7 37. R2b4 Red7 38. R4b5 Re7 39. Rb4 Red7 40. Nd2 Be7 41. R6b5 Bc5 1-0

[Event "Wch Seniors 65 30th"]
[Site "Assisi"]
[Date "2022.11.15"]
[Round "1"]
[White "Thjomoe, Hans Richard"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1854"]
[BlackElo "2198"]
[PlyCount "56"]
[EventDate "2022.11.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 c5 5. Nf3 cxd4 6. Nxd4 Be7 7. Be2 a6 8. 0-0 Qc7 9. Be3 b6 10. f4 Bb7 11. Bf3 Nbd7 12. Qe2 Rc8 13. Qf2 0-0 14. Rac1 Qb8 15. Qe2 Rfe8 16. b3 Nc5 17. Bf2 d5 18. exd5 exd5 19. cxd5 Bd6 20. Qd1 Bxf4 21. Bg3 Bxg3 22. hxg3 Qxg3 23. Nf5 Qe5 24. Bg4 Ncd7 25. Qd2 Nxg4 26. g3 Ne3 27. g4 Nxf5 28. Rfe1 Qg3+ 0-1

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.11.04"]
[Round "9.4"]
[White "Hammar, Bengt Erik"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2074"]
[BlackElo "2182"]
[PlyCount "56"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Sweden 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Ne7 6. h3 Nd7 7. Nf3 dxc4 8. Bxc4 Nb6 9. Bb3 Ned5 10. Bg5 Qd7 11. Nh4 h6 12. Nxf5 hxg5 13. Ng3 Nf4 14. 0-0 0-0-0 15. Nce4 Be7 16. Nd6+ Bxd6 17. exd6 Qxd6 18. Ne4 Qe7 19. Re1 f6 20. a4 Qb4 21. a5 Rxd4 22. Qc2 Nbd5 23. a6 e5 24. axb7+ Kxb7 25. Nc5+ Ka8 26. Rec1 Rd2 27. Qf5 Ne2+ 28. Kf1 Ne3+ 0-1

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.11.03"]
[Round "8.4"]
[White "Koehler, Gerhard"]
[Black "Vatter, Hans Joachim"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2182"]
[BlackElo "2220"]
[PlyCount "130"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Germany 65 III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 a6 5. d4 c5 6. cxd5 exd5 7. Be2 Nc6 8. Ne5 Bd6 9. Nxc6 bxc6 10. dxc5 Bxc5 11. 0-0 0-0 12. b3 Re8 13. Bb2 Qd6 14. Bf3 Ba7 15. Ne2 Ne4 16. Nf4 Ng5 17. Bg4 f5 18. Be2 Bd7 19. g3 Ne4 20. Rc1 Re7 21. b4 Rb8 22. a3 Ra8 23. Bd4 Be8 24. Qd3 g5 25. Ng2 Bxd4 26. Qxd4 a5 27. f3 Nf6 28. Bd3 axb4 29. axb4 Rb7 30. b5 cxb5 31. Bxf5 b4 32. e4 Qb6 33. Qxb6 Rxb6 34. exd5 Nxd5 35. Be4 Rd8 36. Rfd1 Rbd6 37. Rb1 Bc6 38. Rd4 Nc3 39. Rxd6 Rxd6 40. Rxb4 Bxe4 41. fxe4 Rd1+ 42. Kf2 Rd2+ 43. Kf1 Kf7 44. Rc4 Nb5 45. Rc5 Nd4 46. Rxg5 Rd1+ 47. Kf2 Rd2+ 48. Ke3 Rxg2 49. Kxd4 Rxh2 50. Ke5 h5 51. Rf5+ Ke7 52. Rg5 Kf7 53. Kf4 h4 54. gxh4 Rxh4+ 55. Ke5 Rh6 56. Kd5 Ra6 57. Rf5+ Ke7 58. Kd4 Ra1 59. Rb5 Rh1 60. Rb6 Rh5 61. Ra6 Rg5 62. Rh6 Ra5 63. e5 Ra1 64. Rd6 Rd1+ 65. Kc5 Rc1+ 1/2-1/2

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.11.02"]
[Round "7.4"]
[White "Letzelter, Jean Claude"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2050"]
[BlackElo "2182"]
[PlyCount "64"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Strasbourg 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "GER"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 0-0 6. e3 d5 7. Nf3 Re8 8. Be2 dxc4 9. Bxc4 Be6 10. Qb3 Nd5 11. Qc2 Nb6 12. Bxe6 Rxe6 13. 0-0 Bf8 14. d4 Qd5 15. Nc3 Qh5 16. Rfd1 Rg6 17. Qe2 Bd6 18. g3 Re8 19. e4 Nc4 20. Bc1 Bb4 21. Qxc4 Qxf3 22. Rd3 Qg4 23. f3 Qd7 24. Nd5 Ba5 25. Kg2 Nd8 26. Qc5 Bb6 27. Qa3 Ne6 28. Be3 Ng5 29. Rf1 h5 30. Nf4 Rh6 31. h4 Ne6 32. Nd5 Rg6 0-1

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.11.01"]
[Round "6.4"]
[White "Koehler, Gerhard"]
[Black "Kierzek, Matthias"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2182"]
[BlackElo "2237"]
[PlyCount "63"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Germany 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 c6 3. d4 e4 4. Nc3 d5 5. Bg2 h6 6. Nh3 Nf6 7. cxd5 cxd5 8. 0-0 Be7 9. f3 exf3 10. exf3 0-0 11. Nf4 Nc6 12. Be3 Na5 13. Bf2 Bf5 14. Re1 Re8 15. Re5 Bd7 16. Nfxd5 Nxd5 17. Nxd5 Bd6 18. Rxe8+ Bxe8 19. Nc3 Nc4 20. Qb3 Na5 21. Qd1 Rc8 22. Ne4 Bc7 23. Rc1 b6 24. Bf1 f5 25. Nc3 Bb8 26. Bd3 Bd7 27. Ba6 Rc7 28. Qe2 Nb7 29. Re1 Bc8 30. Qe8+ Kh7 31. Bxb7 Qxe8 32. Rxe8 1-0

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.10.31"]
[Round "5.4"]
[White "Lang, Karl"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "1949"]
[BlackElo "2182"]
[PlyCount "86"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Austria 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. g3 0-0 6. Bg2 Nbd7 7. cxd5 exd5 8. 0-0 c6 9. Re1 Re8 10. Qc2 Bf8 11. a3 g6 12. b4 Ne4 13. Nxe4 dxe4 14. Ne5 Nxe5 15. dxe5 Bg7 16. Bb2 Bxe5 17. Bxe5 Rxe5 18. Bxe4 Qe7 19. Bf3 a5 20. bxa5 Rexa5 21. a4 Bf5 22. Qc4 Qe5 23. Rec1 Qb2 24. Ra2 Qb6 25. Ra3 Qa7 26. Qb4 Rd8 27. e3 Qa6 28. g4 Be6 29. Rc2 Rd7 30. Kg2 h5 31. h4 hxg4 32. Bxg4 Bxg4 33. Qxg4 Rad5 34. Ra1 Kg7 35. Qc4 Qa8 36. Qc3+ Kg8 37. Qf6 Rf5 38. Qc3 Qe8 39. f3 Qd8 40. Rh1 Rfd5 41. f4 Rd3 42. Qe1 Rd1 43. Qg3 R7d2+ 0-1

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.10.30"]
[Round "4.4"]
[White "Hietala, Pekka"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1955"]
[BlackElo "2182"]
[PlyCount "78"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Finland 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 0-0 6. Be2 Bg4 7. Be3 Nfd7 8. Qb3 Qc8 9. h3 Bxf3 10. Bxf3 e5 11. Rd1 Nc6 12. dxe5 dxe5 13. Bg4 Nd4 14. Bxd4 exd4 15. Nb5 Re8 16. 0-0 Rxe4 17. Bf3 Re6 18. Nxd4 Rb6 19. Qc2 Ne5 20. Be4 c5 21. Nb5 Qf8 22. Bd5 a6 23. Nc3 Nc6 24. Na4 Nb4 25. Qe4 Nxd5 26. Qxd5 Rc6 27. Rd3 Bd4 28. Nc3 Rd8 29. Qe4 Re6 30. Qf3 Bxc3 31. Rxd8 Qxd8 32. Qxc3 Qd4 33. Qc2 b5 34. cxb5 axb5 35. Rd1 Qe5 36. Qc3 Qxc3 37. bxc3 b4 38. cxb4 cxb4 39. Rb1 Re2 1/2-1/2

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.10.29"]
[Round "3.4"]
[White "Koehler, Gerhard"]
[Black "Luminet, Denis"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2182"]
[BlackElo "2135"]
[PlyCount "59"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Belgium 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "BEL"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. e3 Na6 8. Nc3 Qe5 9. f4 exf3 10. Nxf3 Qh5 11. d4 Be7 12. 0-0 0-0 13. Qb3 Nb4 14. a3 Be6 15. Qd1 Nbd5 16. Ne5 Qxd1 17. Rxd1 Rad8 18. e4 Nb6 19. Ne2 Ng4 20. Nd3 Bb3 21. Rf1 Bc4 22. Rf3 Bf6 23. e5 Bxd3 24. Rxd3 Bxe5 25. h3 Nh6 26. Bxh6 gxh6 27. a4 a5 28. Rb3 Bc7 29. Rc1 Rfe8 30. Bf3 1/2-1/2

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.10.28"]
[Round "2.4"]
[White "Koehler, Gerhard"]
[Black "Staub, Gerhard"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2182"]
[BlackElo "2039"]
[PlyCount "84"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Lasker Schachstiftung 65"]
[BlackTeam "Eppingen 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h3 Qg6 9. Nc3 Bd6 10. d3 exd3 11. Ne3 0-0 12. exd3 Rd8 13. d4 Be6 14. 0-0 Na6 15. a3 Nc7 16. b3 Ncd5 17. Ncxd5 cxd5 18. Bb2 Ne4 19. Re1 Bxh3 20. Bxh3 Nxf2 21. Kxf2 Qxg3+ 22. Kf1 Qxh3+ 23. Ng2 Bg3 24. Qf3 Qh1+ 25. Ke2 Re8+ 26. Kd2 Bxe1+ 27. Rxe1 Rxe1 28. Nxe1 Qxf3 29. Nxf3 Re8 30. Ne5 h5 31. Nd3 g5 32. Nb4 Rd8 33. Ke2 Kg7 34. Bc1 Kg6 35. a4 Kf5 36. a5 a6 37. Nd3 h4 38. Kf2 f6 39. Nc5 Rc8 40. Bd2 Rc7 41. Kf3 g4+ 42. Kg2 Re7 0-1

[Event "EU-chT Seniors 65"]
[Site "Dresden"]
[Date "2022.10.27"]
[Round "1.4"]
[White "Tichatschke, Wolfgang"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1944"]
[BlackElo "2182"]
[PlyCount "72"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Deutsche Bahn 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nf3 Nbd7 8. Bg5 Be7 9. 0-0 b5 10. a3 Bb7 11. Re1 Rc8 12. Bf1 h6 13. Bxf6 Nxf6 14. Nd5 Bxd5 15. exd5 Rc5 16. c4 bxc4 17. Qa4+ Nd7 18. Bxc4 0-0 19. Qxa6 Qc7 20. Ba2 Rc2 21. b4 Nb6 22. Qd3 Rc3 23. Qb1 Rxa3 24. Bb3 Rxa1 25. Qxa1 Rc8 26. Qa5 Ra8 27. Qb5 Ra3 28. Bc2 Nxd5 29. Bh7+ Kxh7 30. Qxd5 Kg8 31. b5 Rc3 32. h3 Qb6 33. Qa8+ Bf8 34. Qe8 Rc2 35. Rf1 Rb2 36. Rc1 Qxf2+ 0-1

[Event "GER-ch Seniors 65 34th"]
[Site "Magdeburg"]
[Date "2022.08.20"]
[Round "9"]
[White "Kahe, Ralph"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2115"]
[BlackElo "2184"]
[PlyCount "127"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 0-0 7. Nge2 exd5 8. cxd5 a6 9. a3 Ba5 10. Bg5 Nbd7 11. Ng3 h6 12. Bf4 Ne5 13. Be2 Re8 14. 0-0 b5 15. b4 Bb6 16. Kh1 Bd7 17. Qd2 Qe7 18. Rfc1 Rec8 19. Nd1 Qf8 20. Be3 Qd8 21. f4 Neg4 22. Bxg4 Nxg4 23. bxc5 Qh4 24. Bg1 Bxc5 25. Nf1 Bxg1 26. Kxg1 Qe7 27. Qd4 Nf6 28. Nf2 Be8 29. Ne3 Bd7 30. Rxc8+ Rxc8 31. e5 Ne8 32. Nd3 Qd8 33. g3 Kf8 34. Kf2 Kg8 35. Ke2 Qc7 36. Rc1 Qb8 37. Rxc8 Bxc8 38. Nb4 Qc7 39. Kd2 Kf8 40. Qc3 Qb8 41. Nc6 Qc7 42. Qa5 Qxa5+ 43. Nxa5 Ke7 44. Kc3 Kd7 45. a4 Kc7 46. axb5 axb5 47. Kb4 Kb6 48. Nc6 Nc7 49. Nd8 Na6+ 50. Kc3 dxe5 51. fxe5 Kc5 52. Nxf7 b4+ 53. Kd3 Nc7 54. d6 Nd5 55. Nd1 Bf5+ 56. Kd2 Kd4 57. Nb2 Nb6 58. Kc1 Be6 59. Nd8 Kxe5 60. Nc6+ Kxd6 61. Nxb4 Nd7 62. Kd2 Ne5 63. Ke2 Ng4 64. h4 1/2-1/2

[Event "GER-ch Seniors 65 34th"]
[Site "Magdeburg"]
[Date "2022.08.19"]
[Round "8"]
[White "Koehler, Gerhard"]
[Black "Cichy, Michael"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2184"]
[BlackElo "2031"]
[PlyCount "119"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 Nc6 5. Bg2 b6 6. 0-0 Bb7 7. b3 Be7 8. d4 cxd4 9. Nxd4 a6 10. Bb2 Rc8 11. Rc1 0-0 12. Qd2 d6 13. Rfd1 Rc7 14. Nc2 Ne5 15. e4 Ned7 16. Qe2 Qb8 17. Nd4 Re8 18. Re1 Bf8 19. Rcd1 Ba8 20. Nc2 Bb7 21. f4 h6 22. Rd2 g6 23. Red1 Qc8 24. e5 dxe5 25. fxe5 Bc5+ 26. Nd4 Bxg2 27. Kxg2 Qb7+ 28. Kg1 Nh5 29. Ne4 Qa8 30. a3 Nf8 31. b4 Be7 32. Nd6 Rb8 33. b5 Bg5 34. Rd3 axb5 35. N4xb5 Rd7 36. h4 Bd8 37. Rf3 Ng7 38. g4 Bxh4 39. Rdf1 Rbd8 40. Rxf7 Nf5 41. Rxd7 Rxd7 42. gxf5 gxf5 43. Qg2+ Rg7 44. Qxg7+ Kxg7 45. Kh2 Ng6 46. Nd4 Qg8 47. N4xf5+ exf5 48. e6+ Kh7 49. Rxf5 Bg3+ 50. Kxg3 Ne7+ 51. Kf4 Nxf5 52. Kxf5 Qg6+ 53. Ke5 Qg3+ 54. Kd5 Qg2+ 55. Ne4 Kg6 56. e7 Kf7 57. Bf6 Qh1 58. Ke5 Qa1+ 59. Kd5 Qh1 60. Ke5 1/2-1/2

[Event "GER-ch Seniors 65 34th"]
[Site "Magdeburg"]
[Date "2022.08.18"]
[Round "7"]
[White "Schmidt, Gerhard"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2100"]
[BlackElo "2184"]
[PlyCount "70"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. Nc2 Be7 9. f4 d6 10. Be3 b6 11. 0-0 Bb7 12. Bf3 Nbd7 13. Nd4 Nc5 14. Qc2 Rc8 15. Rad1 0-0 16. g4 d5 17. exd5 exd5 18. cxd5 Bd6 19. Nf5 Rfe8 20. Bd4 Nce4 21. Nxg7 Kxg7 22. Bxe4 Bc5 23. Qd2 Kg8 24. Bf3 Rcd8 25. Bxc5 Qxc5+ 26. Qd4 Qxd4+ 27. Rxd4 Re7 28. Rfd1 Red7 29. Kf2 Ne8 30. Kg3 b5 31. g5 Nd6 32. Kg4 Rc7 33. f5 Nc4 34. Re1 Nxb2 35. Ne4 Kg7 1/2-1/2

[Event "GER-ch Seniors 65 34th"]
[Site "Magdeburg"]
[Date "2022.08.14"]
[Round "3"]
[White "Kuhn, Gerd"]
[Black "Koehler, Gerhard"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2049"]
[BlackElo "2184"]
[PlyCount "69"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc3 Qxb2 5. Bd2 Qb6 6. e4 d6 7. f4 e6 8. Bc4 exd5 9. Nxd5 Nxd5 10. Bxd5 Be7 11. Nf3 Nc6 12. Bc3 0-0 13. 0-0 Qc7 14. Qe1 Bf6 15. Bxf6 gxf6 16. Qh4 Nb4 17. Ng5 fxg5 18. Qxg5+ Kh8 19. Qf6+ Kg8 20. Rf3 Re8 21. Rg3+ Kf8 22. Re1 Be6 23. Bxe6 Rxe6 24. Qh8+ Ke7 25. Qxa8 Nxc2 26. Rb1 b6 27. f5 Re5 28. Rg8 Kf6 29. g4 h6 30. h4 d5 31. g5+ hxg5 32. hxg5+ Ke7 33. Qf8+ Kd7 34. Qxf7+ Kc6 35. Qf6+ 1-0

[Event "GER-ch Seniors 65 34th"]
[Site "Magdeburg"]
[Date "2022.08.13"]
[Round "2"]
[White "Koehler, Gerhard"]
[Black "Kaiser, Sebastian"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2184"]
[BlackElo "1943"]
[PlyCount "81"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Nbd7 6. Bb2 Be7 7. d4 0-0 8. Bd3 dxc4 9. bxc4 b6 10. 0-0 Bb7 11. e4 Nh5 12. g3 g6 13. Re1 Re8 14. Bf1 Rb8 15. Qa4 a6 16. Rad1 b5 17. Qc2 Qb6 18. c5 Qc7 19. e5 Ng7 20. Ne4 h5 21. Bc1 Nf5 22. Nd6 Qd8 23. Nxe8 Qxe8 24. Bg5 Bf8 25. Bg2 Bg7 26. Bf4 Ne7 27. Ng5 Nf8 28. Ne4 Nd5 29. Bg5 Nh7 30. Nd6 Qd7 31. Bd2 Qe7 32. Bxd5 exd5 33. e6 f5 34. Bf4 Rf8 35. h4 Nf6 36. Bg5 Bc8 37. Qd2 Kh7 38. Re2 Rd8 39. Rde1 Rf8 40. Qa5 Bh6 41. Bxf6 1-0

[Event "GER-ch Seniors 65 34th"]
[Site "Magdeburg"]
[Date "2022.08.12"]
[Round "1"]
[White "Huhn, Ulrich"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "1827"]
[BlackElo "2184"]
[PlyCount "66"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 Bb4 5. e5 h6 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Bd3 Nxc3 9. bxc3 c5 10. Nf3 Qa5 11. Qd2 Nc6 12. Be2 0-0 13. 0-0 cxd4 14. cxd4 Qxd2 15. Nxd2 Nxd4 16. Bd3 Bd7 17. Rab1 b6 18. c3 Nc6 19. f4 Rac8 20. Rfc1 Na5 21. Nf3 Rc5 22. Nd4 Rfc8 23. Ne2 Nc4 24. Kf2 Ra5 25. Bxc4 Rxc4 26. Rb2 Rca4 27. Rcc2 Bb5 28. Nc1 Rxf4+ 29. Kg3 Rc4 30. Ne2 Rca4 31. Nd4 Bc4 32. Nc6 Rc5 33. Nb4 a5 0-1

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.27"]
[Round "9"]
[White "Koehler, Gerhard"]
[Black "Boidman, Yuri"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2184"]
[BlackElo "2286"]
[PlyCount "101"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Nbd7 6. Bb2 a6 7. Qc2 Bd6 8. d4 Qe7 9. Be2 b5 10. 0-0 0-0 11. e4 b4 12. e5 bxc3 13. exd6 Qxd6 14. Qxc3 a5 15. Rfe1 Ba6 16. Bd3 Rfc8 17. c5 Qc7 18. Bc2 a4 19. bxa4 Rcb8 20. Bc1 Bc4 21. Bd2 Ne4 22. Bxe4 dxe4 23. Ng5 Bd5 24. a5 Nf6 25. Nh3 Rb5 26. Qc2 e5 27. dxe5 Qxe5 28. Rab1 Rxb1 29. Qxb1 Rb8 30. Qc1 Qd4 31. a3 Bc4 32. Be3 Qd3 33. Nf4 Qb3 34. Rd1 h6 35. Re1 Qb5 36. Bd4 Nd5 37. Nh5 f6 38. Ng3 Bd3 39. Qd2 Qa4 40. Nf5 Ra8 41. f3 Re8 42. fxe4 Rxe4 43. Rxe4 Bxe4 44. Ng3 Bg6 45. Bb2 Qb5 46. Bd4 Qa4 47. Bb2 Kh7 48. h3 Qb5 49. Bd4 Qa4 50. Bb2 Qb5 51. Bd4 1/2-1/2

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.26"]
[Round "8"]
[White "Richter, Gerald"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1966"]
[BlackElo "2184"]
[PlyCount "88"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 Bg4 7. 0-0 Nfd7 8. Be3 c5 9. d5 Na6 10. h3 Bxf3 11. Bxf3 Nc7 12. Be2 e6 13. dxe6 Nxe6 14. Qxd6 Nd4 15. Bd3 Ne5 16. Qxd8 Rfxd8 17. Be2 Nxe2+ 18. Nxe2 Nxc4 19. Bg5 Re8 20. Rac1 Nxb2 21. Rxc5 Rxe4 22. Ng3 Rc4 23. Rc1 Rxc1+ 24. Rxc1 h6 25. Be3 b5 26. Rc7 a5 27. Rb7 b4 28. Ne4 Nc4 29. Bc5 Rd8 30. g4 Bf8 31. Bxf8 Kxf8 32. Rc7 Nd2 33. Nc5 Rd5 34. Kg2 Nb1 35. Ne4 Rd3 36. g5 hxg5 37. Nxg5 Rd5 38. Nxf7 Nc3 39. h4 Nxa2 40. Ng5 Rxg5+ 41. hxg5 b3 42. Rb7 Nb4 43. Rd7 b2 44. Rd1 a4 0-1

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.25"]
[Round "7"]
[White "Koehler, Gerhard"]
[Black "Walther, Reinhard"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2184"]
[BlackElo "1922"]
[PlyCount "111"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. cxd5 exd5 6. d4 Nc6 7. Be2 c4 8. Ne5 Bd6 9. Nxc6 bxc6 10. e4 Bb4 11. exd5 Nxd5 12. Bd2 Nb6 13. Bf3 Bb7 14. Ne4 Be7 15. Bc3 0-0 16. 0-0 Qc7 17. Qc2 Rad8 18. Rfd1 c5 19. dxc5 Bxc5 20. Ng5 g6 21. Bxb7 Qxb7 22. Ne4 Be7 23. Nf6+ Bxf6 24. Bxf6 Rd5 25. Qe2 Rf5 26. Bc3 Qc6 27. Rd4 Re8 28. Qd2 Nd5 29. Rd1 Nxc3 30. Qxc3 Rfe5 31. h3 Rg5 32. g3 Qe6 33. h4 Rf5 34. Rd8 Re5 35. Rxe8+ Qxe8 36. Qxc4 Re1+ 37. Rxe1 Qxe1+ 38. Kg2 Qb1 39. b4 h5 40. a4 Qf5 41. b5 g5 42. hxg5 Qxg5 43. Qd4 Qe7 44. Kh2 Qc7 45. Qb4 Qb6 46. Kg1 Qb7 47. a5 Qc7 48. b6 axb6 49. axb6 Qb7 50. Qc5 h4 51. Qc7 Qf3 52. b7 h3 53. b8Q+ Kg7 54. Qbb7 h2+ 55. Kxh2 Qxf2+ 56. Qg2 1-0

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.24"]
[Round "6"]
[White "Mertens, Klaus"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2076"]
[BlackElo "2184"]
[PlyCount "90"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 e5 6. d3 Nge7 7. h4 h6 8. e4 d6 9. Be3 a6 10. Qd2 Rb8 11. Nd5 Nxd5 12. cxd5 Nd4 13. Bxd4 exd4 14. 0-0 0-0 15. Rae1 Bg4 16. Qf4 Bxf3 17. Bxf3 Qc7 18. b3 b5 19. Rc1 a5 20. Rc2 Qe7 21. h5 a4 22. Rb1 g5 23. Qf5 b4 24. Bg4 axb3 25. axb3 Ra8 26. Qd7 Rfe8 27. Qxe7 Rxe7 28. f4 Rea7 29. Kf2 Ra1 30. Rbb2 gxf4 31. gxf4 Bf6 32. Kg3 Re1 33. Re2 Rg1+ 34. Rg2 Rga1 35. Bd7 Rd1 36. Rbd2 Rxd2 37. Rxd2 Kf8 38. Ba4 Ke7 39. Rb2 Rg8+ 40. Kh3 Rg1 41. e5 Bg7 42. Bb5 Rh1+ 43. Kg4 Rg1+ 44. Kf3 Rf1+ 45. Kg4 Rg1+ 1/2-1/2

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.23"]
[Round "5"]
[White "Koehler, Gerhard"]
[Black "Lacrosse, Marc"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2184"]
[BlackElo "2003"]
[PlyCount "94"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. b3 b6 7. Nc3 Bb7 8. cxd5 Nxd5 9. Nxd5 Bxd5 10. Bb2 c5 11. Qc2 Nd7 12. d4 Rc8 13. e4 cxd4 14. Qe2 Bb7 15. Nxd4 Bf6 16. Rfd1 Qe7 17. Nb5 Bxb2 18. Qxb2 Nc5 19. Nd6 Rcd8 20. Nxb7 Nxb7 21. e5 Nc5 22. Qa3 a5 23. Bf1 Rxd1 24. Rxd1 Rd8 25. Rxd8+ Qxd8 26. b4 axb4 27. Qxb4 Qc7 28. a4 h6 29. Qd4 Qd7 30. Qxd7 Nxd7 31. f4 Nc5 32. Bb5 f6 33. Kf2 Kf7 34. Ke3 fxe5 35. fxe5 Kg6 36. Kf4 Kf7 37. h4 Ke7 38. g4 Kf7 39. Ke3 Ke7 40. Kd4 Kd8 41. Kc4 Nb7 42. Bc6 Na5+ 43. Kb5 Kc7 44. Be8 Nb7 45. Bg6 Nd8 46. Be8 Kb7 47. Bg6 Kc7 1/2-1/2

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.22"]
[Round "4"]
[White "Kripp, Wolfgang"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2005"]
[BlackElo "2184"]
[PlyCount "153"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 e6 8. 0-0 Be7 9. Re1 Nb6 10. Bb3 0-0 11. Nc3 dxe5 12. dxe5 Nb4 13. Qe2 Qd3 14. Be3 Qxe2 15. Rxe2 Bd7 16. a3 N4d5 17. Nxd5 Nxd5 18. Rd2 Bc6 19. Nd4 Nxe3 20. Nxc6 bxc6 21. fxe3 Rfd8 22. Rad1 Rxd2 23. Rxd2 Rd8 24. Rd4 Rb8 25. Rd3 Rd8 26. Bc4 Rxd3 27. Bxd3 Bd8 28. Kf2 Bc7 29. h3 Bxe5 30. b3 h5 31. Bc4 Kf8 32. a4 Ke7 33. Kf3 Kd6 34. Ke4 f5+ 35. Kf3 g5 36. Ke2 g4 37. Kf2 Bf6 38. Ke2 Ke5 39. Kf2 Be7 40. Ke2 Bc5 41. Bd3 Kf6 42. Ba6 Ke5 43. Bc4 a5 44. Bd3 Kf6 45. Bc4 Bb6 46. Ba6 Ke5 47. Bc4 Ba7 48. Ba6 Bb6 49. Bc4 Bd8 50. Ba6 Be7 51. Bb7 Kd6 52. Ba6 Bg5 53. Bd3 Ke5 54. Ba6 Bh4 55. Bb7 Kd6 56. Ba6 Bf6 57. Bd3 Bc3 58. Bc4 Ke5 59. Ba6 Kd6 60. Bc8 Ke5 61. Bb7 Kd6 62. Ba6 Kc5 63. Bc8 Kd5 64. Ba6 Bb4 65. Bc4+ Ke5 66. Ba6 gxh3 67. gxh3 Kf6 68. Bc8 Bd6 69. Kf3 Ke5 70. Bb7 Kd5 71. Ba6 e5 72. Bc4+ Kc5 73. Bf7 h4 74. Be6 Kb4 75. Ke2 Kc3 76. Bf7 Kb4 77. Be6 1/2-1/2

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.21"]
[Round "3"]
[White "Koehler, Gerhard"]
[Black "Legky, Nikolay A"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2184"]
[BlackElo "2374"]
[PlyCount "110"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 d4 4. Nf3 Nc6 5. 0-0 Nh6 6. d3 Nf5 7. Na3 h5 8. Nc2 a5 9. Rb1 h4 10. e4 dxe3 11. Nxe3 hxg3 12. hxg3 Nfd4 13. Nxd4 Nxd4 14. Nc2 Bc5 15. Be3 Qf6 16. Nxd4 Bxd4 17. Bxd4 Qxd4 18. Re1 Ra6 19. Re4 Qc5 20. Qe2 Qh5 21. Qxh5 Rxh5 22. d4 c5 23. Re5 Rxe5 24. dxe5 Rb6 25. Be4 Bd7 26. Kf1 Ke7 27. Ke2 f5 28. Bg2 a4 29. Kd2 Rb4 30. Kc3 b5 31. Bf1 bxc4 32. Bxc4 Rb8 33. Rh1 Rd8 34. Rh7 Kf7 35. f4 Bc6 36. Rh5 Be4 37. Be2 Bd5 38. b3 a3 39. Rh2 Be4 40. Bh5+ Ke7 41. Be2 Kf7 42. Bh5+ g6 43. Be2 Kg7 44. Bc4 Rd1 45. b4 Rc1+ 46. Kb3 Rb1+ 47. Kxa3 cxb4+ 48. Ka4 Bc6+ 49. Ka5 Bd5 50. Kb5 Bxc4+ 51. Kxc4 g5 52. fxg5 Re1 53. Kxb4 Re4+ 54. Kc5 Rxe5+ 55. Kd6 Ra5 1/2-1/2

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.20"]
[Round "2"]
[White "Koehler, Gerhard"]
[Black "Lehmann, Martin"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2184"]
[BlackElo "1945"]
[PlyCount "157"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 d6 7. Ne2 Bg4 8. h3 Bh5 9. 0-0 Nxd5 10. cxd5 Ne7 11. f4 f6 12. Kh2 0-0 13. b3 c6 14. dxc6 Nxc6 15. Bb2 d5 16. g4 Bf7 17. d4 Bb6 18. Qd2 e4 19. Nc3 Rc8 20. Na4 Ba5 21. Bc3 Bxc3 22. Nxc3 Qb6 23. Rfc1 h5 24. Bf1 hxg4 25. hxg4 g6 26. Be2 Kg7 27. Kg2 Rh8 28. Nb5 Rh4 29. Rh1 Rch8 30. Rxh4 Rxh4 31. Qe1 g5 32. Qf2 Nd8 33. Rf1 a6 34. Nc3 Qd6 35. Na4 Be8 36. Nc3 Bd7 37. Qg3 Be6 38. f5 Qxg3+ 39. Kxg3 Bf7 40. Na4 Be8 41. Nb6 Bc6 42. b4 Nf7 43. a4 Nh6 44. Rb1 Be8 45. b5 axb5 46. axb5 Bh5 47. gxh5 Nxf5+ 48. Kg2 Nxe3+ 49. Kf2 Nf5 50. Nxd5 Rh2+ 51. Ke1 Rh1+ 52. Bf1 Nxd4 53. Kf2 f5 54. Rb4 Nf3 55. Bg2 Rh2 56. Kf1 Nh4 57. Bxe4 fxe4 58. Rxe4 Rd2 59. Re5 Nf3 60. Rf5 g4 61. Ne3 Rb2 62. Nxg4 Nh2+ 63. Nxh2 Rxh2 64. Rc5 Kh6 65. Rc7 Rxh5 66. Rxb7 Kg6 67. Ke2 Kf6 68. Kd3 Ke6 69. Kc4 Kd6 70. Kb4 Rh1 71. Ka5 Ra1+ 72. Kb6 Rb1 73. Rh7 Rb2 74. Rh5 Ra2 75. Kb7 Ra1 76. b6 Kd7 77. Rh2 Rd1 78. Rc2 Rd6 79. Ra2 1-0

[Event "Altenkirchen Seniors op 19th"]
[Site "Altenkirchen"]
[Date "2022.07.19"]
[Round "1"]
[White "Wegemund, Hubert"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1834"]
[BlackElo "2184"]
[PlyCount "70"]
[EventDate "2022.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Qc7 7. f4 d6 8. Qe2 e5 9. Nf3 Nc6 10. Nc3 Bg4 11. Qf2 Nb4 12. Bf1 Be7 13. a3 Nc6 14. Be3 exf4 15. Bxf4 0-0 16. Be2 Na5 17. Rc1 Nb3 18. Rd1 Be6 19. 0-0 Bxc4 20. Bxc4 Qxc4 21. Bxd6 Bxd6 22. Rxd6 b5 23. e5 Ng4 24. Qb6 Rfb8 25. Qc6 Ne3 26. Re1 Rc8 27. Qb7 Nc5 28. Qe7 Nf5 29. Qg5 Nxd6 30. exd6 Ne6 31. Qe7 Re8 32. Qb7 Qc5+ 33. Kh1 Qxd6 34. Nd5 Rab8 35. Qa7 Qxd5 0-1

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.04.03"]
[Round "9"]
[White "Koehler, Gerhard"]
[Black "Pruefer, Friedbert"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2208"]
[BlackElo "2227"]
[PlyCount "19"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. 0-0 0-0 6. d3 d6 7. h3 h6 8. Be3 Bb6 9. d4 exd4 10. Nxd4 1/2-1/2

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.04.02"]
[Round "8"]
[White "Larem, Ewald"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2091"]
[BlackElo "2208"]
[PlyCount "86"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 Be7 7. Nf3 0-0 8. Be2 a6 9. a4 Bg4 10. Nd2 Bxe2 11. Qxe2 Nbd7 12. 0-0 Re8 13. Nc4 Bf8 14. Bg5 b6 15. h3 Qc7 16. Qd3 Rab8 17. f3 b5 18. axb5 axb5 19. Ne3 b4 20. Ne2 Ne5 21. Qc2 Nfd7 22. b3 Ra8 23. Bf4 g6 24. Bh2 Nb6 25. f4 Ned7 26. Rxa8 Rxa8 27. Kh1 Bg7 28. Ng1 Re8 29. Nf3 Nf6 30. Nd2 Qe7 31. e5 Nfxd5 32. Nxd5 Nxd5 33. exd6 Qxd6 34. f5 Qc6 35. Nc4 Nc3 36. fxg6 hxg6 37. Qf2 Qd5 38. Nd6 Rf8 39. Nc4 Bd4 40. Qh4 Qe4 41. Qg3 Qe2 42. Qf4 Ne4 43. Bg1 Ng3+ 0-1

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.04.01"]
[Round "7"]
[White "Koehler, Gerhard"]
[Black "Remensberger, Hansuli"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2208"]
[BlackElo "2065"]
[PlyCount "78"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 b6 2. d4 e6 3. a3 Bb7 4. Nc3 f5 5. Nf3 Nf6 6. d5 a5 7. dxe6 dxe6 8. Qxd8+ Kxd8 9. Ng5 Ke7 10. Bf4 Na6 11. h4 Rd8 12. Rd1 Rxd1+ 13. Kxd1 Nd7 14. Nf3 Kf6 15. e3 Bd6 16. Bg5+ Kf7 17. h5 Ne5 18. Nd4 Ng4 19. Ke2 h6 20. Bh4 Nf6 21. Bxf6 Kxf6 22. Rh4 Rd8 23. Ndb5 Be5 24. f4 Bxc3 25. Nxc3 Nc5 26. Nb5 Nb3 27. Rh3 Rd2+ 28. Ke1 Rxb2 29. Rg3 Rb1+ 30. Kf2 Rb2+ 31. Kg1 Rb1 32. Kf2 Be4 33. Rg6+ Kf7 34. Nxc7 Nc5 35. Nb5 Rb2+ 36. Kg1 Rd2 37. Nd4 Ra2 38. Nb5 Rd2 39. Nd4 Ra2 1/2-1/2

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.03.31"]
[Round "6"]
[White "Jeske, Eckhard"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2142"]
[BlackElo "2208"]
[PlyCount "70"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e3 e5 7. Nge2 Nge7 8. 0-0 Be6 9. Nd5 Qd7 10. Rb1 0-0 11. Re1 f5 12. a3 Rf7 13. f4 h6 14. Nec3 Re8 15. b4 b6 16. b5 Na5 17. Nxe7+ Rfxe7 18. Nd5 Rf7 19. Bd2 Nb7 20. Bc3 Rff8 21. Qd2 Kh7 22. a4 exf4 23. Nxf4 Bxc3 24. Qxc3 Na5 25. Bd5 Bg8 26. Rb2 Qg7 27. Qxg7+ Kxg7 28. Bxg8 Rxg8 29. Nd5 Re5 30. Nc3 Rge8 31. Kf2 Rf8 32. Ree2 Rf7 33. Kf3 Kf6 34. Rb1 Ke6 35. Rf2 Kd7 1/2-1/2

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.03.30"]
[Round "5"]
[White "Koehler, Gerhard"]
[Black "Scheckenbach, Franz"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2208"]
[BlackElo "2085"]
[PlyCount "71"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 e5 6. 0-0 d6 7. d3 Nge7 8. Ne1 h5 9. Nd5 Nxd5 10. cxd5 Ne7 11. e4 Bg4 12. Qa4+ Bd7 13. Qb3 b5 14. Nf3 a5 15. Nh4 Bf6 16. f4 exf4 17. Bxf4 Qb6 18. Be3 Bg7 19. Rf2 a4 20. Qd1 a3 21. b3 b4 22. Rc1 0-0 23. Qd2 Nc8 24. Nf3 Na7 25. d4 cxd4 26. Nxd4 Qb7 27. Bh6 Rac8 28. Rcf1 Qb6 29. Bxg7 Kxg7 30. Nf5+ Bxf5 31. exf5 Qc5 32. Kh1 Nb5 33. Qg5 Qd4 34. fxg6 f6 35. Qxh5 Rh8 36. Qe2 1-0

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.03.29"]
[Round "4"]
[White "Jahn, Constanze"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2040"]
[BlackElo "2208"]
[PlyCount "126"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. Nc3 e5 7. d3 g6 8. Nd5 Bg7 9. Bg5 f6 10. Bd2 Ne7 11. Ne3 Be6 12. h4 d5 13. a4 d4 14. Nc4 Nc6 15. Qc1 0-0 16. a5 Rf7 17. g3 Bxc4 18. dxc4 d3 19. Ra3 Rd7 20. Kg2 Bf8 21. cxd3 Rxd3 22. Rxd3 Qxd3 23. Re1 Qd7 24. Qc3 Rd8 25. Bc1 Qc7 26. Bd2 Nb4 27. Re3 Qxa5 28. Nxe5 Qb6 29. Ng4 Bg7 30. Re2 Qe6 31. Nh6+ Kf8 32. f3 f5 33. Qe3 Bd4 34. Qg5 Re8 35. b3 Qf6 36. Qf4 Nc6 37. Re1 fxe4 38. Rxe4 Rxe4 39. Qxe4 Qe5 40. Qxe5 Bxe5 41. Ng4 Bg7 42. Nf2 Nd4 43. b4 Nb3 44. Bf4 cxb4 45. Bd6+ Ke8 46. Bxb4 a5 47. Ba3 Nd2 48. c5 Nc4 49. Bc1 a4 50. Nd3 Bd4 51. f4 a3 52. Bxa3 Nxa3 53. Kf3 Nb5 54. Ke4 Kd7 55. Kd5 Bf6 56. Nf2 Nc3+ 57. Kc4 Kc6 58. Ng4 Bg7 59. Nf2 h5 60. g4 hxg4 61. Nxg4 Ne2 62. Ne5+ Bxe5 63. fxe5 Nf4 0-1

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.03.28"]
[Round "3"]
[White "Koehler, Gerhard"]
[Black "Schwarz, Hans"]
[Result "1-0"]
[ECO "A95"]
[WhiteElo "2208"]
[BlackElo "1879"]
[PlyCount "93"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. d4 d5 7. 0-0 c6 8. Bf4 Ne4 9. Nxe4 fxe4 10. Ne5 Nd7 11. c5 Bf6 12. Nxd7 Bxd7 13. f3 exf3 14. exf3 Bg5 15. Be5 Bf6 16. Re1 Bxe5 17. Rxe5 Rf5 18. Re3 Qc7 19. f4 Raf8 20. Qd2 Qd8 21. Ra3 a6 22. Re1 Bc8 23. Bh3 R5f6 24. Rae3 Qe8 25. Qe2 Qg6 26. Bxe6+ Bxe6 27. Rxe6 Rxe6 28. Qxe6+ Qxe6 29. Rxe6 Kf7 30. Re3 Rb8 31. Rb3 Ke7 32. Kf2 Kd7 33. Kf3 Kc7 34. g4 Rf8 35. f5 Rf7 36. Kf4 Re7 37. Re3 Rf7 38. g5 a5 39. Rh3 g6 40. f6 b5 41. cxb6+ Kd6 42. Ra3 Rb7 43. Rxa5 Rxb6 44. b3 Rb4 45. Ra4 Rb7 46. Ra8 Rb4 47. f7 1-0

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.03.27"]
[Round "2"]
[White "Roth, Willi"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1640"]
[BlackElo "2208"]
[PlyCount "48"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Nc6 8. Nxc6 dxc6 9. a3 e5 10. Bg5 Be7 11. Qd2 0-0 12. Rad1 b5 13. Qc1 Be6 14. Be2 a5 15. h3 Rfe8 16. f3 Nh5 17. Kh2 Nf4 18. Bxe7 Qxe7 19. g3 Nxh3 20. f4 exf4 21. gxf4 Qh4 22. Kg2 b4 23. Nb1 Bg4 24. Bf3 Nxf4+ 0-1

[Event "Rottach Egern Seniors Cup 10th"]
[Site "Rottach Egern"]
[Date "2022.03.26"]
[Round "1"]
[White "Koehler, Gerhard"]
[Black "Keeve, Martin"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2208"]
[BlackElo "1878"]
[PlyCount "86"]
[EventDate "2022.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. a3 Nf6 6. Rb1 0-0 7. b4 d6 8. d3 Nd7 9. Bd2 cxb4 10. axb4 a5 11. bxa5 Nxa5 12. Nh3 Nc5 13. 0-0 Bd7 14. Nf4 e6 15. Nb5 Bc6 16. Bc1 Qe7 17. e4 Rfc8 18. Ne2 Ra6 19. Bf4 e5 20. Be3 Ne6 21. Nec3 Nd4 22. Nd5 Qd8 23. Nxd4 exd4 24. Bd2 Rca8 25. Nb4 R6a7 26. f4 Qe8 27. f5 Be5 28. Qg4 b5 29. Nxc6 Qxc6 30. fxg6 hxg6 31. Rxb5 Nxc4 32. dxc4 Qxc4 33. Rbb1 Ra2 34. Rbc1 Qb3 35. Bg5 d3 36. Rcd1 Rc2 37. Rd2 Raa2 38. Rxc2 dxc2 39. Qc8+ Kg7 40. Be7 Ra1 41. Bg5 Bd4+ 42. Kh1 Rxf1+ 43. Bxf1 Qf3+ 0-1

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.02.02"]
[Round "9"]
[White "Koehler, Gerhard"]
[Black "Schulz, Michael"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2189"]
[BlackElo "2192"]
[PlyCount "81"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 e5 6. Rb1 a5 7. d3 Nge7 8. Nf3 0-0 9. 0-0 d6 10. Ne1 h6 11. Nc2 f5 12. Ne3 f4 13. Ned5 Nf5 14. b4 axb4 15. axb4 cxb4 16. Nxb4 Nxb4 17. Rxb4 Ra1 18. Ra4 Rxa4 19. Qxa4 Bd7 20. Qa2 Bc6 21. c5+ Kh8 22. cxd6 Bxg2 23. Kxg2 Qxd6 24. Ne4 Qd7 25. Bb2 f3+ 26. exf3 Qxd3 27. Qa3 Qd5 28. Rc1 Nd4 29. Rc5 Qf7 30. Bxd4 exd4 31. Qd3 Qd7 32. Rb5 Qc6 33. Qb3 Qc8 34. h4 Kh7 35. Rxb7 Qf5 36. Rb5 Qd7 37. Nc5 Qc6 38. Ne6 Rxf3 39. Qxf3 Qxb5 40. Qf7 Qe5 41. Nf8+ 1-0

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.02.01"]
[Round "8"]
[White "Koehler, Gerhard"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2189"]
[BlackElo "2325"]
[PlyCount "103"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 0-0 7. Ne2 Re8 8. 0-0 d6 9. d4 exd4 10. exd4 Bg4 11. f3 Nxd4 12. Nxd4 Re4 13. Qb3 Rxd4 14. Be3 Rxd5 15. cxd5 Bxe3+ 16. Qxe3 Nxd5 17. Qd4 Be6 18. f4 c5 19. Qd2 Nb6 20. b3 d5 21. f5 Bd7 22. f6 Be6 23. fxg7 Qd6 24. Qg5 c4 25. Rf4 c3 26. Rh4 Nd7 27. Rc1 Rc8 28. Qe3 Qe5 29. Qxe5 Nxe5 30. Rd4 Rc5 31. h3 c2 32. Rd2 Bf5 33. Rxd5 Nd3 34. Rxf5 Nxc1 35. Rxc5 Ne2+ 36. Kf2 c1Q 37. Rxc1 Nxc1 38. Bxb7 Nxa2 39. Ke3 Kxg7 40. Be4 h6 41. Kd2 Kf6 42. Bb1 Nb4 43. Kc3 Nc6 44. Kc4 Ke5 45. b4 f5 46. Kb5 Nd4+ 47. Ka6 h5 48. Bd3 f4 49. g4 hxg4 50. hxg4 Kf6 51. b5 Kg5 52. Kxa7 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.31"]
[Round "7"]
[White "Syre, Christian"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2235"]
[BlackElo "2189"]
[PlyCount "31"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. 0-0 e6 7. Nc3 Nge7 8. Bd2 0-0 9. Rb1 Rb8 10. a3 b5 11. Kh1 a5 12. a4 bxa4 13. Nxa4 Qc7 14. Ra1 Nd5 15. Ra2 Bb7 16. c3 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.30"]
[Round "6"]
[White "Koehler, Gerhard"]
[Black "Postler, Reinhard"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2189"]
[BlackElo "2212"]
[PlyCount "45"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Nbd7 6. Qc2 Bd6 7. Bb2 Qe7 8. Be2 Ba3 9. Bxa3 Qxa3 10. 0-0 0-0 11. d4 Qe7 12. Rad1 b6 13. e4 Nxe4 14. Nxe4 dxe4 15. Qxe4 Bb7 16. Bd3 g6 17. Rfe1 Rfe8 18. Qf4 Rad8 19. h4 f6 20. c5 bxc5 21. Rxe6 Qf8 22. Bc4 Kh8 23. Qc7 1-0

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.27"]
[Round "3"]
[White "Martin Rabelo, Sebastian Manuel"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2256"]
[BlackElo "2189"]
[PlyCount "114"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 b6 5. Qe2 Bb7 6. c3 Be7 7. Nbd2 0-0 8. 0-0 Qc8 9. e4 Ba6 10. Re1 Bxd3 11. Qxd3 Qa6 12. Qf1 Qb7 13. Qd3 cxd4 14. Nxd4 d6 15. Nf1 Nbd7 16. f3 Rfd8 17. Qe2 Nc5 18. Be3 Rac8 19. Rad1 a6 20. Qf2 b5 21. Nb3 Na4 22. g4 Nd7 23. Bd4 Qc7 24. Re2 Nf8 25. Ng3 Ng6 26. Nh5 Bf8 27. f4 e5 28. Be3 exf4 29. Nxf4 Nxf4 30. Qxf4 Nb6 31. Bd4 Nc4 32. Nc1 Ne5 33. Rf1 Qd7 34. Rg2 Qe6 35. Qf5 Re8 36. h3 g6 37. Qxe6 Rxe6 38. Re2 Rce8 39. Kg2 Bh6 40. Bxe5 Rxe5 41. Kf3 R5e6 42. Nd3 d5 43. Rfe1 Rf6+ 44. Kg2 dxe4 45. Rxe4 Rxe4 46. Rxe4 Rd6 47. Rd4 Re6 48. a4 Re2+ 49. Kf1 Re3 50. axb5 axb5 51. h4 Bf8 52. h5 Kg7 53. Kf2 Re6 54. Rd5 Rb6 55. Kf3 Kf6 56. g5+ Ke7 57. hxg6 hxg6 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.26"]
[Round "2"]
[White "Koehler, Gerhard"]
[Black "Kromer, Thomas"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2189"]
[BlackElo "1845"]
[PlyCount "87"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. Re1 exd4 9. Nxd4 Nc5 10. Bf1 Ne6 11. Nc2 Nd7 12. Be3 Ndc5 13. f3 Be5 14. Nd4 Nxd4 15. Bxd4 Bxd4+ 16. Qxd4 Ne6 17. Qd2 Bd7 18. Nd5 c5 19. Ne3 Nd4 20. Nc2 Ne6 21. Qxd6 Ba4 22. Qxd8 Rfxd8 23. b3 Rd2 24. Re2 Rxe2 25. Bxe2 Bc6 26. Rd1 Rd8 27. Rxd8+ Nxd8 28. Kf2 Ne6 29. Ke3 Kg7 30. f4 h5 31. g3 Kf6 32. Bf3 Ke7 33. Be2 Kd6 34. h4 Ng7 35. g4 hxg4 36. Bxg4 Bxe4 37. Kxe4 f5+ 38. Kf3 fxg4+ 39. Kxg4 Ke6 40. Ne3 Ne8 41. Kg5 Kf7 42. f5 gxf5 43. Nxf5 a6 44. h5 1-0

[Event "Rottach Egern Seniors Cup 9th"]
[Site "Rottach Egern"]
[Date "2021.10.28"]
[Round "7"]
[White "Koehler, Gerhard"]
[Black "Senner, Peter"]
[Result "0-1"]
[ECO "A91"]
[WhiteElo "2176"]
[BlackElo "2148"]
[PlyCount "92"]
[EventDate "2021.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 d6 4. Nc3 e6 5. d4 Be7 6. Nh3 0-0 7. 0-0 c6 8. Qb3 Kh8 9. d5 cxd5 10. cxd5 e5 11. Ng5 Na6 12. Ne6 Nc5 13. Nxc5 dxc5 14. Rd1 Bd6 15. a4 f4 16. Bd2 Rb8 17. a5 b5 18. axb6 Rxb6 19. Qc2 Qe8 20. e4 Qh5 21. f3 fxg3 22. hxg3 Qg6 23. Be1 Nh5 24. Na4 Rb7 25. Nxc5 Rc7 26. b4 Nxg3 27. Bxg3 Qxg3 28. Qf2 Qf4 29. Nd3 Qf7 30. Ra3 Qe7 31. Rda1 a6 32. Rb3 g5 33. Qg3 Rc2 34. Bh3 Qa7+ 35. Kh1 Qe3 36. Nc5 Rc1+ 37. Rxc1 Qxc1+ 38. Kh2 Bxh3 39. Kxh3 Rf6 40. Nd3 Qd1 41. Nc5 Qh1+ 42. Kg4 Rh6 43. Kf5 Qh5 44. Qxg5 Qf7+ 45. Kg4 Rg6 46. Nxa6 Qf4+ 0-1

[Event "Rottach Egern Seniors Cup 9th"]
[Site "Rottach Egern"]
[Date "2021.10.27"]
[Round "6"]
[White "Wacker, Peter"]
[Black "Koehler, Gerhard"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2219"]
[BlackElo "2176"]
[PlyCount "32"]
[EventDate "2021.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 dxc6 5. d3 Nf6 6. f4 Be7 7. Nf3 0-0 8. 0-0 Qc7 9. Kh1 Bd7 10. Ne5 Rad8 11. Qf3 Ne8 12. Be3 b6 13. Rad1 Nd6 14. Nxd7 Rxd7 15. b3 Nb5 16. Nb1 Nd4 1/2-1/2

[Event "Rottach Egern Seniors Cup 9th"]
[Site "Rottach Egern"]
[Date "2021.10.26"]
[Round "5"]
[White "Biro, Sandor"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2131"]
[BlackElo "2176"]
[PlyCount "138"]
[EventDate "2021.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 d6 7. e4 g6 8. Qd2 h6 9. Na3 Qc7 10. e5 Nh5 11. Nb5 Qd8 12. exd6 exd6 13. Qe3+ Kd7 14. g3 Qe7 15. Bh3+ f5 16. Kf2 Qxe3+ 17. Bxe3 a6 18. Na3 Nf6 19. Rd1 Kc7 20. b4 b6 21. Ne2 g5 22. Bg2 Bb7 23. c4 Nbd7 24. bxc5 bxc5 25. h4 Rg8 26. hxg5 hxg5 27. Bd2 Re8 28. Nc2 Ne5 29. Ba5+ Kb8 30. Ne3 Bc8 31. Rb1+ Ka7 32. Rb3 Rg7 33. Rhb1 Rb7 34. Rxb7+ Bxb7 35. Rb3 Bc8 36. Bf1 Bd7 37. Nc3 Nh5 38. Ng2 Be7 39. Be2 Nf6 40. Nd1 Rh8 41. Nde3 Rf8 42. Bb6+ Ka8 43. Bc7 g4 44. Nf4 gxf3 45. Bxf3 Ne4+ 46. Bxe4 fxe4 47. Kg2 Rc8 48. Ba5 Nf3 49. Ne6 Nd4 50. Rb6 Ka7 51. Rb1 Nxe6 52. dxe6 Bxe6 53. Rh1 Bg5 54. Rh7+ Ka8 55. Nd5 Bxd5 56. cxd5 Bf6 57. g4 c4 58. Bc7 Be5 59. Re7 c3 60. Bb6 c2 61. Be3 c1Q 62. Bxc1 Rxc1 63. g5 Rc2+ 64. Kh3 Rh2+ 65. Kg4 Rg2+ 66. Kf5 e3 67. Rxe5 dxe5 68. d6 Rd2 69. g6 Rxd6 0-1

[Event "Rottach Egern Seniors Cup 9th"]
[Site "Rottach Egern"]
[Date "2021.10.25"]
[Round "4"]
[White "Koehler, Gerhard"]
[Black "Fritz, Roland"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2176"]
[BlackElo "2250"]
[PlyCount "224"]
[EventDate "2021.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 e5 6. d3 d6 7. Bg5 f6 8. Bd2 Nge7 9. 0-0 Be6 10. e4 0-0 11. Nd5 h6 12. Bc3 f5 13. Ne1 Qd7 14. exf5 Bxf5 15. Nc2 Bh3 16. Nce3 Bxg2 17. Kxg2 Rf7 18. Nxe7+ Nxe7 19. Qg4 Qxg4 20. Nxg4 Rd8 21. Rae1 h5 22. Ne3 Bh6 23. Nc2 a6 24. a4 b6 25. b4 Nc6 26. b5 Ne7 27. bxa6 Ra8 28. Ra1 Rxa6 29. a5 bxa5 30. Bxa5 Nc6 31. Bc3 Rb6 32. Rfb1 Rfb7 33. Rxb6 Rxb6 34. Kf3 Kf7 35. Ke4 Ke6 36. Na3 Nb4 37. Rb1 Ra6 38. Ra1 Rb6 39. h3 g5 40. g4 Bg7 41. Bxb4 Rxb4 42. Nc2 d5+ 43. Ke3 Rb6 44. Ra7 Bf6 45. gxh5 dxc4 46. dxc4 Rb3+ 47. Ke4 Rxh3 48. Ra6+ Kf7 49. Ne3 Rh4+ 50. Kd5 Rf4 51. Ra7+ Kg8 52. Kxc5 e4 53. Kd5 Rxf2 54. Ng4 e3 55. Nxe3 Bc3 56. c5 Re2 57. Ng4 Rd2+ 58. Ke6 Re2+ 59. Kf5 Rd2 60. Kxg5 Bg7 61. c6 Rd5+ 62. Kf4 Rc5 63. c7 Kh7 64. Ke4 Rc4+ 65. Kd5 Rd4+ 66. Ke6 Rc4 67. Kd7 Rd4+ 68. Kc6 Rxg4 69. c8Q Rc4+ 70. Kd7 Rxc8 71. Kxc8 Kh6 72. Ra5 Bc3 73. Rf5 Bd2 74. Kd7 Bg5 75. Ke6 Kxh5 76. Rf1 Kg4 77. Kf7 Bf4 78. Kg6 Bc7 79. Rc1 Bd6 80. Rc4+ Kf3 81. Kf5 Bb8 82. Rc3+ Kf2 83. Rb3 Ba7 84. Kf4 Kg2 85. Rf3 Bb8+ 86. Kg4 Bd6 87. Rd3 Bc7 88. Rd2+ Kg1 89. Kf3 Kh1 90. Rc2 Bh2 91. Rg2 Bg1 92. Kg3 Bc5 93. Rh2+ Kg1 94. Rd2 Kh1 95. Rd5 Bb6 96. Rd7 Bc5 97. Rd1+ Bg1 98. Rd2 Bb6 99. Kf3 Ba7 100. Rg2 Bb6 101. Rc2 Ba7 102. Kg3 Bb8+ 103. Kh3 Ba7 104. Rb2 Bc5 105. Rg2 Bb6 106. Rb2 Bc5 107. Rc2 Ba7 108. Rd2 Bb6 109. Kg3 Bc7+ 110. Kf3 Bb6 111. Rd1+ Kh2 112. Rb1 Bc5 1/2-1/2

