[Event "GER Seniors Derby 09th"]
[Site "Wesel Undeloh"]
[Date "2010.04.11"]
[Round "7.22"]
[White "Knoerzer, Claus"]
[Black "Baum, Horst"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1430"]
[BlackElo "1387"]
[PlyCount "94"]
[EventDate "2010.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 a6 5. Bd3 b5 6. Nbd2 Bb7 7. Rc1 Bd6 8. Bxd6 Qxd6 9. Ne5 0-0 10. 0-0 c5 11. c3 c4 12. Bb1 Nbd7 13. f4 b4 14. Nxd7 Nxd7 15. Qh5 Nf6 16. Bxh7+ Nxh7 17. Rf3 e5 18. Rh3 Qg6 19. Qxe5 Rae8 20. Qh5 Qxh5 21. Rxh5 Nf6 22. Rh3 bxc3 23. bxc3 Ng4 24. Nf1 Re7 25. Rg3 Bc8 26. h3 Nf6 27. Nd2 Ne4 28. Nxe4 Rxe4 29. Kf2 Bf5 30. Rf3 Re6 31. g4 Be4 32. Rg3 Rb8 33. Rd1 Rb2+ 34. Ke1 Rxa2 35. Rd2 Ra3 36. h4 Rxc3 37. Kf2 Rc2 38. Ke1 Rxd2 39. Kxd2 a5 40. g5 a4 41. Rg1 a3 42. Ra1 Ra6 43. Kc3 a2 44. Kb2 Bb1 45. h5 Re6 46. Rxb1 axb1Q+ 47. Kxb1 Rxe3 0-1

[Event "GER Seniors Derby 09th"]
[Site "Wesel Undeloh"]
[Date "2010.04.10"]
[Round "6.20"]
[White "Bridger, Norman"]
[Black "Knoerzer, Claus"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1654"]
[BlackElo "1430"]
[PlyCount "87"]
[EventDate "2010.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 e6 3. d4 Bd6 4. Nc3 c6 5. Nf3 Nd7 6. e4 Bb4 7. e5 Ne7 8. Qd3 Ng6 9. h4 Be7 10. h5 Nh4 11. Nxh4 Bxh4 12. Be3 Bg5 13. 0-0-0 Nb6 14. f4 Be7 15. Kb1 Nc4 16. Bc1 Qb6 17. Na4 Qb5 18. Qb3 a6 19. Bf1 Qxb3 20. axb3 b5 21. bxc4 bxa4 22. cxd5 cxd5 23. Bd3 Bd7 24. f5 f6 25. h6 g6 26. fxg6 hxg6 27. Bxg6+ Kd8 28. exf6 Bxf6 29. g5 Be7 30. Bd3 Kc7 31. g6 Bf6 32. Bf4+ Kc6 33. Be5 Bxe5 34. dxe5 Rhb8 35. g7 Rb6 36. h7 Rab8 37. g8Q Rxb2+ 38. Ka1 R8b6 39. Qa8+ Kc5 40. Rb1 a3 41. Rxb2 axb2+ 42. Kb1 Bb5 43. Qf8+ Kd4 44. Rh4+ 1-0

[Event "GER Seniors Derby 09th"]
[Site "Wesel Undeloh"]
[Date "2010.04.10"]
[Round "5.16"]
[White "Gruener, Reinhard"]
[Black "Knoerzer, Claus"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "1763"]
[BlackElo "1430"]
[PlyCount "61"]
[EventDate "2010.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 Nbd7 4. f3 e6 5. e4 dxe4 6. fxe4 Be7 7. Nf3 h6 8. Bxf6 Nxf6 9. Bc4 0-0 10. 0-0 c6 11. Kh1 b5 12. Bd3 Bb7 13. Qe2 a6 14. Rae1 Bb4 15. e5 Nd5 16. Qe4 g6 17. Qg4 Qe7 18. Nxd5 cxd5 19. c3 Ba5 20. a3 Bc8 21. h4 Kh8 22. h5 g5 23. Nh2 Bd7 24. Rf6 Kg7 25. Qf3 Rad8 26. Rf1 Be8 27. Ng4 Rh8 28. Qe3 Rd7 29. Nxh6 Bd8 30. Qxg5+ Kf8 31. R1f3 1-0

[Event "GER Seniors Derby 09th"]
[Site "Wesel Undeloh"]
[Date "2010.04.09"]
[Round "4.22"]
[White "Knoerzer, Claus"]
[Black "Wilms, Josef"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1430"]
[BlackElo "1270"]
[PlyCount "82"]
[EventDate "2010.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 d6 3. Bf4 Nf6 4. e3 Nc6 5. Bb5 e6 6. Bg5 Be7 7. Bxf6 Bxf6 8. c3 0-0 9. 0-0 Bd7 10. Ba4 Qe8 11. Bb3 Na5 12. Bc2 c5 13. dxc5 dxc5 14. Nbd2 Rd8 15. Qc1 Bc6 16. Bd1 b6 17. Re1 e5 18. Kf1 e4 19. Ng1 Bb5+ 20. Be2 Bxe2+ 21. Nxe2 Be5 22. Kg1 Qh5 23. g3 Rf6 24. Nf4 Bxf4 25. exf4 Qh3 26. Nf1 Nc4 27. Rd1 Re8 28. b3 e3 29. fxe3 Na5 30. c4 Nb7 31. Qd2 Nd6 32. Qd5+ Kf8 33. Qg2 Qg4 34. h3 Qh5 35. Re1 Ne4 36. h4 Rg6 37. Qh3 Qf3 38. Kh2 Rxg3 39. Nxg3 Qf2+ 40. Qg2 Re6 41. Qxf2 Nxf2 1-0

[Event "GER Seniors Derby 09th"]
[Site "Wesel Undeloh"]
[Date "2010.04.09"]
[Round "3.18"]
[White "Nestler, Klaus"]
[Black "Knoerzer, Claus"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1446"]
[BlackElo "1430"]
[PlyCount "121"]
[EventDate "2010.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. c4 c6 5. a3 Be7 6. cxd5 exd5 7. Be2 0-0 8. 0-0 Ne4 9. Nc3 f5 10. Ne5 Nd7 11. Nd3 Qc7 12. Bd2 Bd6 13. g3 Ndf6 14. Rc1 Nxd2 15. Qxd2 Ne4 16. Nxe4 fxe4 17. Nf4 Bxf4 18. exf4 Bh3 19. Rfe1 Qd7 20. Rc3 Rae8 21. Qd1 Be6 22. Re3 Rf6 23. f3 Bf5 24. Bd3 Ref8 25. fxe4 dxe4 26. Bxe4 Bxe4 27. Rxe4 R6f7 28. Qb3 Qc8 29. Re7 Qd8 30. Qxf7+ Rxf7 31. Re8+ Qxe8 32. Rxe8+ Rf8 33. Rxf8+ Kxf8 34. Kf2 Ke7 35. Ke3 Ke6 36. Ke4 a5 37. b4 axb4 38. axb4 b6 39. g4 Kf6 40. h3 g6 41. h4 h6 42. f5 g5 43. h5 b5 44. Kd3 Ke7 45. Ke3 Kf7 46. Ke4 Kf6 47. d5 cxd5+ 48. Kxd5 Ke7 49. Kc6 Kf6 50. Kxb5 Ke5 51. Kc6 Kf4 52. f6 Kxg4 53. f7 Kxh5 54. f8Q g4 55. b5 Kh4 56. Qxh6+ Kg3 57. Qh1 Kf2 58. b6 g3 59. b7 g2 60. Qxg2+ Kxg2 61. b8Q 1-0

[Event "GER Seniors Derby 09th"]
[Site "Wesel Undeloh"]
[Date "2010.04.08"]
[Round "2.21"]
[White "Knoerzer, Claus"]
[Black "Soldic, Ivan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1430"]
[BlackElo "1640"]
[PlyCount "34"]
[EventDate "2010.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c3 e6 4. Bf4 Nd7 5. e3 Be7 6. Bd3 Ngf6 7. Nbd2 0-0 8. Rc1 b6 9. 0-0 Bb7 10. Bb1 c5 11. Re1 Ne4 12. Nxe4 dxe4 13. Nd2 f5 14. Nc4 b5 15. Ne5 Bd5 16. Nxd7 Qxd7 17. Be5 c4 1/2-1/2

[Event "GER Seniors Derby 09th"]
[Site "Wesel Undeloh"]
[Date "2010.04.08"]
[Round "1.15"]
[White "Kucki, Hermann"]
[Black "Knoerzer, Claus"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1854"]
[BlackElo "1430"]
[PlyCount "91"]
[EventDate "2010.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 e6 5. c5 g6 6. Nf3 Bg7 7. h3 0-0 8. e3 Nbd7 9. Be2 Ne4 10. Nxe4 dxe4 11. Nd2 f5 12. 0-0 Nf6 13. Bg5 Qd7 14. Bxf6 Bxf6 15. Nc4 Qc7 16. g3 Rd8 17. Qb3 Rd5 18. Nd2 Rd8 19. Bc4 Re8 20. Kg2 Rb8 21. f3 exf3+ 22. Rxf3 Kg7 23. Qc2 e5 24. Nb3 e4 25. Rf2 Be6 26. Bxe6 Rxe6 27. Qc4 Qf7 28. Rd1 Re7 29. Qa4 a6 30. Na5 Rd7 31. Nc4 Qg8 32. Rfd2 Rbd8 33. Qb4 Rb8 34. Nb6 Rdd8 35. d5 cxd5 36. Rxd5 Rxd5 37. Nxd5 Qf8 38. Qb6 Bd8 39. Qb4 Be7 40. Qd4+ Kh6 41. b4 Rc8 42. Qe5 Re8 43. Nc7 Rc8 44. Qf4+ g5 45. Qe5 Qf6 46. Rd6 1-0

