[Event "POL corr"]
[Site "Poland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koenig"]
[Black "Keller, K."]
[Result "1-0"]
[ECO "C85"]
[PlyCount "97"]
[EventDate "1991.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. Qe1 0-0 8. Nxe5 Qd4 9. Nf3 Qxe4 10. Qxe4 Nxe4 11. Re1 Bf5 12. d3 Bb4 13. dxe4 Bxe1 14. exf5 Ba5 15. Na3 Rfd8 16. Be3 Rd5 17. g4 Re8 18. c3 h5 19. h3 hxg4 20. hxg4 Re4 21. Nh2 Bb6 22. Nc2 Bxe3 23. Nxe3 Rd2 24. b3 c5 25. Nf3 Rd8 26. Kg2 f6 27. c4 Kf7 28. Kg3 Ree8 29. Nd5 Rd7 30. Nf4 b6 31. Ne6 c6 32. Rh1 Kg8 33. Kf4 Ree7 34. g5 Re8 35. gxf6 gxf6 36. Rg1+ Kh8 37. Nh4 Rd4+ 38. Nxd4 cxd4 39. Rg6 Rf8 40. Nf3 c5 41. Nd2 a5 42. Ne4 Rg8 43. Rxg8+ Kxg8 44. Nxf6+ Kg7 45. Ne4 Kf7 46. Ke5 Ke7 47. f6+ Kd7 48. f3 d3 49. f4 1-0

[Event "FRG-ch M corr"]
[Site "GER corr"]
[Date "1977.??.??"]
[Round "?"]
[White "Kuhnert, Hermann"]
[Black "Keller, K."]
[Result "1-0"]
[ECO "B86"]
[PlyCount "27"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 0-0 9. g5 Ne8 10. h4 g6 11. h5 Kg7 12. hxg6 hxg6 13. Nf5+ Kg8 14. Qg4 1-0

[Event "EU-ch M234 corr"]
[Site "ICCF corr"]
[Date "1972.??.??"]
[Round "?"]
[White "Preinfalk, Anton"]
[Black "Keller, K."]
[Result "1/2-1/2"]
[ECO "B99"]
[PlyCount "57"]
[EventDate "1972.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. 0-0-0 Nbd7 11. Be2 b5 12. e5 Bb7 13. exf6 Bxf3 14. Bxf3 d5 15. fxg7 Rg8 16. Bxd5 Bxh4 17. Bxa8 Bf6 18. f5 Qf4+ 19. Kb1 Bxd4 20. Ne2 Qxf5 21. Nxd4 Qh5 22. Bf3 Qg6 23. Rhe1 Nb8 24. h4 Rxg7 25. Nc6 Nxc6 26. Bxc6+ Ke7 27. Rd7+ Kf8 28. Rd8+ Ke7 29. Rd7+ 1/2-1/2

[Event "FRG-ch corr"]
[Site "GER corr"]
[Date "1964.??.??"]
[Round "?"]
[White "Keller, K."]
[Black "Schmidt, Paul"]
[Result "1-0"]
[ECO "B63"]
[PlyCount "57"]
[EventDate "1964.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 Be7 8. 0-0-0 Nxd4 9. Qxd4 0-0 10. e5 dxe5 11. Qxe5 Qe8 12. h4 Ng4 13. Qg3 Bxg5+ 14. hxg5 e5 15. Nd5 Bf5 16. Bd3 e4 17. Be2 Qe6 18. Bc4 Qe8 19. Rh4 Rc8 20. Bb3 Ne5 21. Nf6+ gxf6 22. gxf6+ Bg6 23. Rxh7 Rxc2+ 24. Bxc2 Nd3+ 25. Kb1 Qb5 26. Rg7+ Kh8 27. Rh1+ Bh5 28. Rh7+ Kxh7 29. Qg7# 1-0

