[Event "Hessen-ch Gr-B 62nd"]
[Site "Hanau"]
[Date "2008.03.23"]
[Round "7"]
[White "Keller, Christoph"]
[Black "Schloessner, Henrik"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2040"]
[BlackElo "2120"]
[PlyCount "18"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Nf3 Nf6 7. Bd2 e6 8. Qe2 Bb4 9. 0-0-0 0-0 1/2-1/2

[Event "Hessen-ch Gr-B 62nd"]
[Site "Hanau"]
[Date "2008.03.22"]
[Round "6"]
[White "Rosenberger, Frank"]
[Black "Keller, Christoph"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2161"]
[BlackElo "2040"]
[PlyCount "67"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c3 g6 3. Bg5 Bg7 4. Nd2 d6 5. Ngf3 0-0 6. e3 Nbd7 7. Bd3 c5 8. Qe2 Qc7 9. 0-0 b6 10. e4 e6 11. Rfe1 Bb7 12. h3 Rac8 13. Rad1 Qb8 14. a3 Rfe8 15. Bb5 Bc6 16. Bxc6 Rxc6 17. e5 dxe5 18. dxe5 Nd5 19. c4 Ne7 20. Nb1 Qc8 21. Nc3 a6 22. Ne4 Nxe5 23. Nd6 Rxd6 24. Rxd6 Nxf3+ 25. Qxf3 Bxb2 26. Rxb6 Bd4 27. Reb1 Nf5 28. g4 Ng7 29. Bf6 e5 30. Bxg7 Kxg7 31. Qf6+ Kg8 32. Rb7 Rf8 33. Qd6 Qe8 34. Rb8 1-0

[Event "Hessen-ch Gr-B 62nd"]
[Site "Hanau"]
[Date "2008.03.21"]
[Round "5"]
[White "Keller, Christoph"]
[Black "Jorzick, Harald"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2040"]
[BlackElo "2113"]
[PlyCount "49"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e5 5. Nf3 e4 6. Ne5 cxd4 7. cxd4 Bb4+ 8. Nc3 Bxc3+ 9. bxc3 Nf6 10. Bc4 Qa5 11. Bxf7+ Kd8 12. Qb3 Nc6 13. Nxc6+ bxc6 14. 0-0 Ba6 15. Bc4 Re8 16. Bxa6 Qxa6 17. Qf7 Re7 18. Qf8+ Kd7 19. Qxa8 Re8 20. Qxe8+ Kxe8 21. Re1 Kf7 22. Bg5 Nd5 23. Bd2 Qc4 24. Red1 Kf6 25. Re1 1/2-1/2

[Event "Hessen-ch Gr-B 62nd"]
[Site "Hanau"]
[Date "2008.03.21"]
[Round "4"]
[White "Zimmermann, Hendrik"]
[Black "Keller, Christoph"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "2117"]
[BlackElo "2040"]
[PlyCount "80"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 c4 10. Ne5 Be6 11. b3 Qa5 12. Nxc6 bxc6 13. Na4 cxb3 14. axb3 Qb5 15. Qc2 h6 16. Bxf6 Bxf6 17. e3 g6 18. Rfc1 Rfc8 19. Bf1 Qb8 20. Bd3 Kg7 21. Nc5 Bh3 22. Ra6 h5 23. Rca1 h4 24. R1a4 hxg3 25. hxg3 Be7 26. Qc3 Bd6 27. Rb4 Qc7 28. Rb7 Qd8 29. Raxa7 Rxa7 30. Rxa7 Qg5 31. Bf1 Qg4 32. e4 Bxf1 33. Kxf1 Rh8 34. Ra1 Rh1+ 35. Kg2 Qh3+ 36. Kf3 Rh2 37. Qe1 Qg2+ 38. Kg4 Qh3+ 39. Kf3 Qg2+ 40. Kg4 Rh4+ 0-1

[Event "Hessen-ch Gr-B 62nd"]
[Site "Hanau"]
[Date "2008.03.20"]
[Round "3"]
[White "Keller, Christoph"]
[Black "Huettemann, Ralf"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2040"]
[BlackElo "2076"]
[PlyCount "94"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nce2 e5 4. Nf3 Bd6 5. Ng3 Be6 6. d3 Ne7 7. Ng5 Qd7 8. Be2 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Ng6 11. Nxe6 Qxe6 12. 0-0 Nc6 13. Nh5 0-0-0 14. Nxg7 Qf6 15. Nh5 Qe7 16. f4 exf4 17. Nxf4 Qg5 18. Rad1 Rhg8 19. Nd5 Qxd2 20. Rxd2 Nce5 21. Nf6 Rg7 22. Nh5 Rgg8 23. Nf6 Rg7 24. g3 c6 25. Nh5 Rgg8 26. Nf6 Rg7 27. Bg4+ Nxg4 28. Nxg4 h5 29. Nf6 h4 30. g4 h3 31. Rf3 Rh8 32. Nh5 Ne5 33. Rg3 Rxg4 34. Rxg4 Nxg4 35. Ng3 Rg8 36. Rd1 Ne3 37. Rd2 f5 38. exf5 Nxf5 39. Kf2 Ne3 40. c3 Rf8+ 41. Kg1 c5 42. cxd4 cxd4 43. Rf2 Re8 44. Ne4 Rg8+ 45. Ng3 Re8 46. Ne4 Rg8+ 47. Ng3 Re8 1/2-1/2

[Event "Hessen-ch Gr-B 62nd"]
[Site "Hanau"]
[Date "2008.03.20"]
[Round "2"]
[White "Orwatsch, Gerhard"]
[Black "Keller, Christoph"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2087"]
[BlackElo "2040"]
[PlyCount "54"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Qb6 5. Qc1 Nc6 6. c3 Bf5 7. Nbd2 e6 8. Nh4 Bg6 9. Nxg6 hxg6 10. h3 Rc8 11. Qb1 Be7 12. Bd3 0-0 13. 0-0 Nd7 14. Nf3 Bf6 15. Rd1 Rfd8 16. Bg5 Qc7 17. Bxf6 Nxf6 18. dxc5 Ne5 19. Nxe5 Qxe5 20. Qc2 Rxc5 21. Qa4 Qb8 22. Be2 Rdc8 23. Rd4 Qc7 24. Rb4 b6 25. Qb3 Ne4 26. Rd1 Nd6 27. Rbd4 a5 1/2-1/2

[Event "Hessen-ch Gr-B 62nd"]
[Site "Hanau"]
[Date "2008.03.19"]
[Round "1"]
[White "Keller, Christoph"]
[Black "Gnirk, Torsten"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2040"]
[BlackElo "2094"]
[PlyCount "37"]
[EventDate "2008.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 0-0 7. 0-0 Nxe4 8. Nxe4 d5 9. Bd3 dxe4 10. Bxe4 Re8 11. Nf5 Bf6 12. Qxd8 Rxd8 13. Bf4 Na6 14. c3 Nc5 15. Bc2 Nd3 16. Bxd3 Rxd3 17. Nd4 Bxd4 18. cxd4 Rxd4 19. Bxc7 1/2-1/2

[Event "Hessen-ch qual-A+B"]
[Site "Erlensee"]
[Date "2007.04.07"]
[Round "7"]
[White "Keuth, Gerd Erich"]
[Black "Keller, Christoph"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2095"]
[BlackElo "1965"]
[PlyCount "162"]
[EventDate "2007.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. Nf3 Nbd7 7. 0-0 e5 8. b3 Re8 9. e4 exd4 10. Nxd4 Nc5 11. Re1 a5 12. Bb2 c6 13. Qd2 Qb6 14. Rab1 Ng4 15. Nf3 Bh6 16. Qc2 Ne5 17. Nxe5 dxe5 18. Ba3 Bg4 19. h3 Rad8 20. Nd5 cxd5 21. cxd5 Nxe4 22. hxg4 Nd6 23. Qc5 Qa6 24. Bf1 b5 25. Qc6 Qxc6 26. dxc6 b4 27. Bc1 Bf8 28. Bg5 Be7 29. Bxe7 Rxe7 30. Red1 Rc7 31. Rbc1 f6 32. Rd5 Kf8 33. Rxa5 Rdc8 34. Ra6 Rb8 35. Ra5 Rb6 36. Rac5 Ne4 37. R5c2 Ke7 38. Bg2 Nd6 39. Rc5 Nb5 40. g5 Nd4 41. gxf6+ Kxf6 42. Re1 Ra6 43. Rcxe5 Rxa2 44. R5e4 Rd2 45. Rf4+ Kg7 46. Kh2 g5 47. Rfe4 Kf6 48. Kg1 h6 49. Kf1 Ra7 50. Re8 Nxb3 51. R1e6+ Kf7 52. Bf3 Nd4 53. Bh5+ Kg7 54. R6e7+ Rxe7 55. Rxe7+ Kf6 56. Rd7 b3 57. c7 b2 58. Rd6+ Ke5 59. Rb6 Rc2 60. Rxb2 Rxc7 61. Rb6 Rc6 62. Rb8 Kf6 63. Rg8 Ke5 64. Rg6 Rxg6 65. Bxg6 Kf6 66. Bh5 Nf5 67. Kg2 Ng7 68. Be2 Ke5 69. Kf3 h5 70. Bd3 Nf5 71. Bb1 Nd4+ 72. Kg2 Nf5 73. Bc2 h4 74. gxh4 Nxh4+ 75. Kh3 Kf4 76. Bd1 Nf3 77. Kg2 Nh4+ 78. Kf1 Nf3 79. Kg2 Nh4+ 80. Kf1 Nf3 81. Kg2 Nh4+ 1/2-1/2

[Event "Hessen-ch qual-A+B"]
[Site "Erlensee"]
[Date "2007.04.06"]
[Round "6"]
[White "Keller, Christoph"]
[Black "Czech, Ludwig"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1965"]
[BlackElo "2112"]
[PlyCount "83"]
[EventDate "2007.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bg4 5. c3 Bd6 6. Be2 Ne7 7. 0-0 0-0 8. Re1 c6 9. Nbd2 Qc7 10. Nf1 Nd7 11. g3 Rfe8 12. Ne3 Bh5 13. Ng2 Ng6 14. Nfh4 Rxe2 15. Rxe2 Bxe2 16. Qxe2 Nxh4 17. Nxh4 Nf6 18. Ng2 Re8 19. Be3 Qd7 20. Re1 Re6 21. Qd1 Qe8 22. f3 Nd7 23. Bf2 b5 24. Rxe6 Qxe6 25. Qe1 Qxe1+ 26. Nxe1 a5 27. Nd3 h5 28. Be3 a4 29. Bf4 Be7 30. b3 g5 31. Bc1 f6 32. Kf2 Kf7 33. h3 f5 34. g4 fxg4 35. fxg4 h4 36. bxa4 bxa4 37. Nb2 Nb6 38. Nd3 Nc4 39. Nb2 Nb6 40. Nd3 Nc4 41. Nb2 Nb6 42. Nd3 1/2-1/2

[Event "Hessen-ch qual-A+B"]
[Site "Erlensee"]
[Date "2007.04.06"]
[Round "4"]
[White "Keller, Christoph"]
[Black "Hillgaertner, Walter"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1965"]
[BlackElo "2061"]
[PlyCount "43"]
[EventDate "2007.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. c3 b6 3. d4 Bb7 4. Bd3 Nf6 5. Qe2 cxd4 6. cxd4 Nc6 7. Nf3 Nb4 8. Nc3 Nxd3+ 9. Qxd3 g6 10. Bf4 Bg7 11. 0-0 0-0 12. Rfe1 d5 13. e5 Ne4 14. Ne2 e6 15. Qe3 Rc8 16. Rec1 Qe7 17. a3 Ba6 18. Ng3 Nxg3 19. Bxg3 Rc4 20. Bh4 Qc7 21. b3 Rc2 22. Ne1 1/2-1/2

[Event "Hessen-ch qual-A+B"]
[Site "Erlensee"]
[Date "2007.04.06"]
[Round "5"]
[White "Weiss, Matthias"]
[Black "Keller, Christoph"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2038"]
[BlackElo "1965"]
[PlyCount "36"]
[EventDate "2007.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 Be6 11. Qf3 c6 12. h3 Bd6 13. Rfe1 Rb8 14. Nd1 h6 15. Bf4 c5 16. Bxd6 Qxd6 17. b3 c4 18. Bf5 cxb3 1/2-1/2

[Event "Hessen-ch qual-A+B"]
[Site "Erlensee"]
[Date "2007.04.05"]
[Round "2"]
[White "Keller, Christoph"]
[Black "Ahrends, Norbert"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1965"]
[BlackElo "2038"]
[PlyCount "44"]
[EventDate "2007.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 0-0 9. Bd3 b6 10. Qc2 h6 11. Nxd5 Bxd2+ 12. Nxd2 exd5 13. 0-0 Ba6 14. Rac1 Bxd3 15. Qxd3 Nd7 16. Rc2 Rc8 17. Rfc1 Rxc2 18. Qxc2 Re8 19. Kf1 Nf8 20. Nf3 Ne6 21. Qa4 Re7 22. Rc3 Rc7 1/2-1/2

[Event "Hessen-ch qual-A+B"]
[Site "Erlensee"]
[Date "2007.04.05"]
[Round "3"]
[White "Kuhn, Gerhard"]
[Black "Keller, Christoph"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2078"]
[BlackElo "1965"]
[PlyCount "34"]
[EventDate "2007.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nxe4 6. Qe2 f5 7. Ng5 d3 8. cxd3 Nd4 9. Qh5+ g6 10. Qh4 c6 11. dxe4 cxd5 12. exd5 Bg7 13. Qg3 h6 14. Nf3 Nxf3+ 15. Qxf3 0-0 16. Be2 Qf6 17. 0-0 d6 1/2-1/2

[Event "Hessen-ch qual-A+B"]
[Site "Erlensee"]
[Date "2007.04.04"]
[Round "1"]
[White "Felczer, Kevin"]
[Black "Keller, Christoph"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2236"]
[BlackElo "1965"]
[PlyCount "55"]
[EventDate "2007.04.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nxe4 6. Qe2 f5 7. Ng5 d3 8. cxd3 Nd4 9. Qh5+ g6 10. Qh4 c6 11. dxe4 cxd5 12. exd5 Bg7 13. Kd1 h6 14. Nf3 b6 15. Bc4 d6 16. Qxd8+ Kxd8 17. a4 Bb7 18. Ra2 Rc8 19. Nxd4 Bxd4 20. b3 g5 21. f4 g4 22. Re2 Rc7 23. Re6 Bc5 24. Bb2 Re8 25. Bf6+ Kd7 26. Bb5+ Bc6 27. Bxc6+ Rxc6 28. Rxe8 1-0

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "7"]
[White "Bernhardt, Tillmann"]
[Black "Keller, Christoph"]
[Result "0-1"]
[ECO "C61"]
[PlyCount "90"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 Bc5 6. d3 c6 7. Bc4 d5 8. exd5 cxd5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. Nd2 Ne7 12. Nb3 Bb6 13. Re1 0-0 14. Bf4 Ng6 15. Bg3 Rac8 16. h4 Qf5 17. h5 Nf4 18. h6 g5 19. Rc1 Rc6 20. Bxf4 Qxf4 21. Qf3 Qxf3 22. gxf3 Re6 23. Rxe6 fxe6 24. Kg2 Rf6 25. Rh1 Kf7 26. Kg3 Kg6 27. a4 Bc7+ 28. Kg2 e5 29. Nc5 Rc6 30. b4 b6 31. Nd7 Bd6 32. f4 exf4 33. Re1 Kf7 34. Ne5+ Bxe5 35. Rxe5 Kg6 36. Rxd5 Kxh6 37. Rxd4 Rxc2 38. Rd6+ Kh5 39. Kf3 Rd2 40. a5 bxa5 41. bxa5 g4+ 42. Kxf4 Rxf2+ 43. Ke3 Rf7 44. d4 g3 45. Rd8 Rg7 0-1

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "4"]
[White "Debus, Alfred"]
[Black "Keller, Christoph"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "65"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Qb4+ 9. Nd2 Nf4 10. Qe3 Ne6 11. Bd3 d5 12. 0-0 Be7 13. Kh1 Bb7 14. f4 d4 15. Qh3 Qb6 16. f5 Ng5 17. Qg3 f6 18. b4 c5 19. bxc5 Qxc5 20. exf6 gxf6 21. Nb3 Qb6 22. c5 Bxc5 23. Nxc5 Qxc5 24. Ba3 Qc6 25. Rfe1+ Kd7 26. Rac1 Qxg2+ 27. Qxg2 Bxg2+ 28. Kxg2 Rhg8 29. Re7+ Kd8 30. Kf1 Rc8 31. Ba6 c5 32. Bxc8 Kxe7 33. Bxc5+ 1-0

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "9"]
[White "Egenolf, Dirk"]
[Black "Keller, Christoph"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "20"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. d3 Bg4 5. 0-0 Nbd7 6. Re1 e6 7. Nbd2 Be7 8. e4 dxe4 9. dxe4 0-0 10. c3 Qc7 1/2-1/2

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "1"]
[White "Keller, Christoph"]
[Black "Marchio, Enrico"]
[Result "0-1"]
[ECO "C11"]
[PlyCount "24"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Be2 0-0 9. 0-0 f5 10. Qd2 g5 11. g3 g4 12. Ne1 cxd4 0-1

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "3"]
[White "Keller, Christoph"]
[Black "Mueller, Thorsten"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "37"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. Nf3 Bg4 6. c3 Bd6 7. 0-0 Nge7 8. Nbd2 Qd7 9. Qc2 Bf5 10. Bxf5 Nxf5 11. Re1+ Nce7 12. Ne5 Bxe5 13. dxe5 0-0 14. Nf3 Rae8 15. Bf4 Ng6 16. Bg3 Nxg3 17. hxg3 f6 18. exf6 Rxf6 19. Kf1 1/2-1/2

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "8"]
[White "Keller, Christoph"]
[Black "Schild, Christoph"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "27"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 Nf6 6. Nf3 d6 7. e5 dxe5 8. Qxd8+ Nxd8 9. Nb5 Rb8 10. Nxe5 e6 11. Nc7+ Ke7 12. b3 Nd7 13. Ng4 f6 14. 0-0 1/2-1/2

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "5"]
[White "Keller, Christoph"]
[Black "Weng, Annegret"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "2120"]
[PlyCount "81"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 c6 5. Be3 b5 6. f3 a6 7. Qd2 Nbd7 8. Nh3 Bg7 9. 0-0 0-0 10. Rad1 Bb7 11. Nb1 c5 12. c4 bxc4 13. dxc5 Nxc5 14. Bxc5 dxc5 15. Qxd8 Raxd8 16. Bxc4 Nd7 17. Nc3 Nb6 18. Bb3 Bc6 19. Nf4 e6 20. Nfe2 Bb5 21. a4 Bxe2 22. Nxe2 c4 23. Bc2 Nd7 24. b3 cxb3 25. Bxb3 Nc5 26. Bc4 h6 27. Nc1 Nxa4 28. Bxa6 Nb2 29. Rxd8 Rxd8 30. Nb3 Ra8 31. Ra1 Nd3 32. Ra5 Bc3 33. Ra4 Nb4 34. Bb5 Rd8 35. Kf2 Kg7 36. Kg3 Rd1 37. Nc5 Rb1 38. Be8 Be1+ 39. Kh3 Kf8 40. Ra8 Ke7 41. Bb5 1/2-1/2

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "2"]
[White "Reckert, Bernd"]
[Black "Keller, Christoph"]
[Result "0-1"]
[ECO "D36"]
[PlyCount "88"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. cxd5 exd5 6. e3 0-0 7. Bd3 c6 8. Qc2 Nbd7 9. Nge2 Re8 10. 0-0 Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 13. b4 a6 14. a4 Bd7 15. b5 axb5 16. axb5 Nf6 17. Na4 Ne6 18. Nb6 Rab8 19. Rfc1 cxb5 20. Nxd7 Nxd7 21. Rxb5 Nf6 22. Qb3 Red8 23. Rb1 Rd7 24. Bf5 g6 25. Bh3 Kg7 26. Nc3 Qd6 27. Rb6 Qe7 28. g3 Ng5 29. Bxd7 Qxd7 30. Rxb7 Qh3 31. f4 Ng4 32. Qc2 Rxb7 33. Rxb7 Nxh2 34. Qg2 Ngf3+ 35. Kf2 Qc8 36. Rb3 Qc4 37. Ra3 Qb4 38. g4 Qxa3 39. Nxd5 Qa2+ 40. Kg3 Qxd5 41. Qe2 h5 42. gxh5 Qxh5 43. Qb2 Qg4+ 44. Kf2 Qg1+ 0-1

[Event "Hessen-ch U20"]
[Site "Hessen"]
[Date "1994.??.??"]
[Round "6"]
[White "Schmidt, Danny"]
[Black "Keller, Christoph"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "19"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bg5 Bg4 7. Ne2 e6 8. Nd2 Be7 9. 0-0 Bh5 10. f4 1/2-1/2

[Event "NRW-chT 9192 U18"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Keller, Christoph"]
[Black "Klanert, Karsten"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "140"]
[EventDate "1991.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Be7 4. c4 c6 5. Nc3 Nf6 6. cxd5 exd5 7. Bd3 0-0 8. Nf3 Nbd7 9. Qc2 Re8 10. 0-0 Nf8 11. a3 Ne6 12. Bg3 g6 13. Rfc1 Ng7 14. b4 a6 15. Qb3 Bf5 16. Bxf5 Nxf5 17. Na4 Ne4 18. Nc5 Nfd6 19. Ne5 Nxg3 20. hxg3 Bf6 21. Nf3 Qe7 22. Nd3 Kg7 23. a4 Rh8 24. Kf1 Rae8 25. Nf4 h5 26. Ke2 Nf5 27. Rd1 g5 28. Nxd5 cxd5 29. Qxd5 Qe6 30. Qxe6 fxe6 31. Kd3 Rc8 32. e4 Nh6 33. Rac1 Ng4 34. Ke2 Rhd8 35. Rxc8 Rxc8 36. d5 exd5 37. Rxd5 Kg6 38. Rd6 Re8 39. e5 Nxe5 40. Nxe5+ Rxe5+ 41. Kd3 Re8 42. Rd7 Rd8 43. Rxd8 Bxd8 44. Kd4 Bb6+ 45. Ke4 Bxf2 46. Kf3 Be1 47. b5 axb5 48. axb5 Kf5 49. g4+ hxg4+ 50. Ke2 Ba5 51. Ke3 Bb6+ 52. Ke2 Ke4 53. Kf1 Kf4 54. Ke2 Kg3 55. Kf1 Bc5 56. Ke2 Kxg2 57. Kd3 Kf3 58. Kc4 b6 59. Kd5 g3 60. Ke5 g2 61. Kf6 g1Q 62. Kg7 g4 63. Kg6 g3 64. Kg5 g2 65. Kh4 Qf2+ 66. Kg5 g1Q+ 67. Kf6 Ke4+ 68. Ke6 Qg6+ 69. Kd7 Qff7+ 70. Kc8 Qgg8# 0-1

[Event "NRW-chT 9192 U18"]
[Site "Germany"]
[Date "1992.??.??"]
[Round "?"]
[White "Keller, Christoph"]
[Black "Plenus, Sascha"]
[Result "1/2-1/2"]
[ECO "E73"]
[PlyCount "65"]
[EventDate "1991.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nf6 5. Nf3 0-0 6. Be2 c5 7. dxc5 Qa5 8. Bd2 Qxc5 9. 0-0 Nbd7 10. Qc2 Ng4 11. h3 Nge5 12. Nxe5 Bxe5 13. Be3 Bd4 14. Bxd4 Qxd4 15. Rad1 Qf6 16. Nd5 Qh4 17. Qc3 Qxe4 18. Bd3 Qh4 19. g3 Qg5 20. h4 Qe5 21. Qxe5 Nxe5 22. Nxe7+ Kg7 23. Nxc8 Raxc8 24. b3 Rfd8 25. Be4 Rd7 26. Rd5 f5 27. Bg2 b6 28. Rfd1 Rcd8 29. Kf1 Kf6 30. R1d2 h6 31. R5d4 a5 32. f4 Nf7 33. Bd5 1/2-1/2

[Event "NRW-chT 9192 U18"]
[Site "Germany"]
[Date "1991.??.??"]
[Round "?"]
[White "Jakobs, Ansgar"]
[Black "Keller, Christoph"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "132"]
[EventDate "1991.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 Ne7 6. Nge2 Na6 7. 0-0 0-0 8. a3 Nc5 9. Qc2 Ne6 10. d3 f5 11. f4 Qb6+ 12. Kh1 d6 13. b4 a5 14. Rb1 Qc7 15. b5 c5 16. Na4 fxe4 17. Bxe4 Bd7 18. Nac3 Rab8 19. Nd5 Nxd5 20. Bxd5 b6 21. Nc3 Kh8 22. Ne4 Nd4 23. Qd1 Rbe8 24. Ng5 Be6 25. Nxe6 Nxe6 26. Qg4 Nd4 27. Be3 Nf5 28. Bd2 Bh6 29. Rbe1 exf4 30. Rxe8 Rxe8 31. Bxf4 Bxf4 32. Qxf4 Qe7 33. g4 Ng7 34. Qd2 Rf8 35. Rf2 Rxf2 36. Qxf2 Ne8 37. Kg2 Nf6 38. Qb2 Qg7 39. h3 Nxd5 40. Qc1 Nc7 41. Qg5 Ne6 42. Qe3 Qe5 43. Qf3 Nf4+ 44. Kf1 Kg7 45. h4 d5 46. g5 Qf5 47. Kg1 Nxd3 48. Qe3 Qe4 49. Qh3 Qf5 50. Qg3 Qf2+ 51. Qxf2 Nxf2 52. Kxf2 dxc4 53. Ke2 Kf7 54. Kd2 Ke6 55. Kc3 Kf5 56. Kxc4 Kg4 57. Kd5 Kxh4 58. Kc6 c4 59. Kxb6 c3 60. Kxa5 c2 61. a4 c1Q 62. b6 Qc8 63. Kb5 Kxg5 64. a5 Qb7 65. a6 Qd5+ 66. Kb4 Qc6 0-1

[Event "NRW-chT 9192 U18"]
[Site "Germany"]
[Date "1991.??.??"]
[Round "?"]
[White "Keller, Christoph"]
[Black "Fehmer, Carsten"]
[Result "1/2-1/2"]
[ECO "E81"]
[PlyCount "134"]
[EventDate "1991.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Bd3 0-0 6. f3 e5 7. d5 a5 8. b3 Na6 9. Bg5 Bd7 10. Nge2 Qe8 11. Qd2 Nc5 12. Ng3 Rb8 13. 0-0 Kh8 14. Qc2 Ng8 15. Be3 b6 16. a3 Nh6 17. b4 Nb7 18. Rfb1 Qc8 19. c5 bxc5 20. bxc5 dxc5 21. Ba6 f5 22. Bxc5 Rf6 23. d6 cxd6 24. Ba7 d5 25. Bxb8 Rxa6 26. Qb3 Nc5 27. Qxd5 Be6 28. Qd1 Nb3 29. Rxb3 Qc5+ 30. Kh1 Bxb3 31. Qxb3 Rb6 32. Na4 Rxb3 33. Nxc5 Rxb8 34. Ne6 Bf6 35. h3 Rb3 36. a4 Bh4 37. Nf1 fxe4 38. Nc5 Rb4 39. Nxe4 Nf5 40. Nc5 Bg5 41. Nd3 Rd4 42. Nc5 Be7 43. Ne4 Kg8 44. Nfd2 Ng3+ 45. Nxg3 Rxd2 46. Rc1 Ra2 47. Rc4 Bb4 48. Re4 Rxa4 49. Rxe5 Bd6 50. Rg5 Ra1+ 51. Kh2 a4 52. Rd5 Bf4 53. h4 a3 54. Rd4 Bc1 55. Ne2 Bb2 56. Ra4 Re1 57. Ng3 Rc1 58. Kh3 Rc2 59. Ne4 Bc1 60. Ra8+ Kf7 61. Ra7+ Ke6 62. Ng5+ Kd5 63. Nxh7 a2 64. Nf6+ Kc6 65. Ne4 Be3 66. Ra8 Kb7 67. Ra4 Bh6 1/2-1/2

[Event "NRW-chT 9192 U18"]
[Site "Germany"]
[Date "1991.??.??"]
[Round "?"]
[White "Keller, Christoph"]
[Black "Michalczak, Thomas"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "112"]
[EventDate "1991.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c4 Bd6 5. Bxd6 Qxd6 6. Nc3 0-0 7. Nf3 c6 8. Bd3 dxc4 9. Bxc4 Nbd7 10. 0-0 b5 11. Bb3 Bb7 12. Bc2 a6 13. Ne4 Nxe4 14. Bxe4 Nf6 15. Nd2 Rac8 16. Rc1 e5 17. dxe5 Qxe5 18. Qc2 Rfd8 19. Rfd1 Rxd2 20. Bxh7+ Nxh7 21. Rxd2 c5 22. Qd3 Nf6 23. f3 Nd5 24. e4 c4 25. Qd4 Qxd4+ 26. Rxd4 Nf4 27. Kf2 Nd3+ 28. Rxd3 cxd3 29. Rxc8+ Bxc8 30. Ke3 Be6 31. Kxd3 Bxa2 32. Kc3 a5 33. Kd4 Kf8 34. Kc5 Bc4 35. f4 Ke7 36. h4 Be2 37. Kb6 a4 38. Kc5 Kf6 39. Kb4 Kg6 40. g4 Bxg4 41. Kxb5 Bd7+ 42. Kc5 Kh5 43. Kd6 Be6 44. f5 Bb3 45. e5 Kxh4 46. e6 fxe6 47. fxe6 Bxe6 48. Kxe6 g5 49. Kd5 g4 50. Kc4 g3 51. Kb4 g2 52. Kxa4 g1Q 53. Kb5 Kg5 54. b4 Kf5 55. Ka6 Qa1+ 56. Kb7 Qb1 0-1

[Event "NRW-chT 9192 U18"]
[Site "Germany"]
[Date "1991.??.??"]
[Round "?"]
[White "Kemper, Meinolf"]
[Black "Keller, Christoph"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "109"]
[EventDate "1991.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. a3 a5 6. d3 0-0 7. Bd2 c6 8. Na4 Nbd7 9. Nxc5 Nxc5 10. b4 axb4 11. axb4 Rxa1 12. Qxa1 Nb3 13. Qb2 Nxd2 14. Qxd2 Qb6 15. Nf3 Bd7 16. 0-0 Ra8 17. d4 exd4 18. Nxd4 Ra4 19. Nc2 c5 20. Rb1 Be6 21. Qd3 Ng4 22. Qb3 Ra7 23. bxc5 Qxc5 24. Qb6 g6 25. Qxc5 dxc5 26. Rxb7 Rxb7 27. Bxb7 Bxc4 28. f3 Ne5 29. Kf2 Kf8 30. Na3 Be6 31. Ke3 Ke7 32. h4 Nc4+ 33. Nxc4 Bxc4 34. Be4 Kd6 35. Kd2 Ke5 36. e3 Bd5 37. Bxd5 Kxd5 38. Kc3 Kc6 39. Kc4 Kd6 40. e4 Kc6 41. g4 h6 42. f4 Kd6 43. e5+ Kc6 44. f5 gxf5 45. gxf5 h5 46. f6 Kd7 47. Kxc5 Ke6 48. Kd4 Kd7 49. Ke4 Ke8 50. Kf4 Kf8 51. Kg5 Kg8 52. Kxh5 Kh7 53. Kg5 Kg8 54. Kf5 Kf8 55. e6 1-0

[Event "NRW-chT 9192 U18"]
[Site "Germany"]
[Date "1991.??.??"]
[Round "?"]
[White "Klasmeier, Jens"]
[Black "Keller, Christoph"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "126"]
[EventDate "1991.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Ne5 e6 9. Be2 Bd6 10. f4 0-0 11. 0-0 c5 12. Bf3 Rd8 13. Qb3 Rb8 14. Be3 Nd7 15. Rac1 Nxe5 16. fxe5 Be7 17. Be4 b6 18. Qc2 g6 19. Qf2 Bf8 20. Bg5 Rd7 21. Qe3 Bb7 22. Rf4 Bxe4 23. Rxe4 Rc8 24. Qe1 Rd5 25. a3 Qd7 26. Qf2 cxd4 27. cxd4 Rxc1+ 28. Bxc1 Qc6 29. Be3 a5 30. h4 Rd7 31. Rg4 Qa4 32. Kh2 Qd1 33. Rg3 b5 34. Rh3 h5 35. Rf3 b4 36. axb4 axb4 37. Rg3 b3 38. Qf3 Qxf3 39. Rxf3 Rb7 40. Bd2 Be7 41. g3 Kf8 42. Kh3 Kg7 43. Kg2 f5 44. exf6+ Bxf6 45. Bh6+ Kxh6 46. Rxf6 Rb4 47. Rxe6 Rxd4 48. Re2 Rc4 49. Kf3 Rc2 50. Ke3 Rc6 51. Kf3 Rf6+ 52. Kg2 Rc6 53. Kf3 Rc7 54. Re3 Rb7 55. Rc3 Kg7 56. Ke3 Kf6 57. Rc6+ Kf5 58. Rc5+ Ke6 59. Rc6+ Kf5 60. Rc5+ Kf6 61. Rc6+ Kg7 62. Rc3 Kf6 63. Rc6+ Kf5 1/2-1/2

