[Event "NRW Class2 0708"]
[Site "Germany"]
[Date "2008.01.13"]
[Round "5.4"]
[White "Claassen, Joerg"]
[Black "Schippan, Bernhard"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2211"]
[BlackElo "2259"]
[PlyCount "78"]
[EventDate "2007.09.16"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Niederkassel"]
[BlackTeam "Sodingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 Qe7 13. Nd2 f5 14. Nxe4 fxe4 15. Qd2 Bb6 16. b4 g5 17. fxg5 Qxe5 18. c3 0-0-0 19. Rf6 Kb7 20. Raf1 c5 21. bxc5 Bxc5 22. Nb3 Bb6 23. Bd4 Qe8 24. Bxb6 axb6 25. Qxd5+ Bc6 26. Na5+ bxa5 27. Rb1+ Kc8 28. Qf5+ Qd7 29. Qxa5 Qd5 30. Qa6+ Bb7 31. Qe2 Qd3 32. Qb2 Qd5 33. Rf5 Qxf5 34. Qxb7+ Kd7 35. Rd1+ Ke6 36. Rf1 Qc5+ 37. Kh1 Ke5 38. Re1 Qc4 39. Rb1 Rb8 0-1

[Event "NRW Class2 0708"]
[Site "Germany"]
[Date "2007.10.14"]
[Round "2.4"]
[White "Kind, Bertram"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2230"]
[BlackElo "2211"]
[PlyCount "156"]
[EventDate "2007.09.16"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Hagen"]
[BlackTeam "Niederkassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bc4 e6 6. f5 Nge7 7. fxe6 dxe6 8. d3 0-0 9. a4 Na5 10. Ba2 Nec6 11. 0-0 Nb4 12. Bb1 e5 13. Ne2 c4 14. dxc4 Qb6+ 15. c5 Qxc5+ 16. Kh1 Qb6 17. Nc3 Be6 18. Qe1 f6 19. Be3 Qc6 20. Nb5 a6 21. Qxb4 axb5 22. axb5 Qc4 23. Qe1 Qxb5 24. b3 Nc6 25. Rxa8 Rxa8 26. Nd2 Rd8 27. Qf2 Nd4 28. Nf3 Nxf3 29. Qxf3 Rf8 30. Bg1 Bg4 31. Qf2 f5 32. Qe1 f4 33. h3 Be6 34. Qd1 Bf6 35. c4 Qc6 36. Qf3 g5 37. Rd1 Kh8 38. Bc2 Rg8 39. Qd3 Be7 40. Bf2 g4 41. Qc3 Qc7 42. hxg4 Rxg4 43. Ra1 Bc5 44. Qf3 Qb6 45. Rf1 Rg6 46. Bxc5 Qxc5 47. Qf2 Qe7 48. Bd1 Rg3 49. Qb2 Bh3 50. Rf2 Qg5 51. Bf3 Bg4 52. Bxg4 Rxg4 53. Qa1 Qe7 54. Qa8+ Rg8 55. Qa1 Qg7 56. Qc3 Qf6 57. Kg1 h5 58. b4 h4 59. c5 Rg3 60. Rf3 Rg7 61. b5 Qg6 62. Qb2 Qxe4 63. Qf2 Rg3 64. c6 bxc6 65. b6 c5 66. Kh2 Qc6 67. b7 Qxb7 68. Qxc5 Qg7 69. Qc8+ Qg8 70. Qc2 Rxf3 71. gxf3 Qg3+ 72. Kh1 Qxf3+ 73. Kh2 Qg3+ 74. Kh1 h3 75. Qc8+ Kh7 76. Qd7+ Qg7 77. Qf5+ Qg6 78. Qd7+ Kh6 0-1

[Event "Bayern-chI Bank Hofmann 10th"]
[Site "Bad Wiessee"]
[Date "2006.11.09"]
[Round "6"]
[White "Prusikin, Michael"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2560"]
[BlackElo "2208"]
[PlyCount "45"]
[EventDate "2006.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7 6. Bd3 0-0 7. 0-0 Bxd2 8. Nxd2 c5 9. b3 d6 10. Bb2 Nbd7 11. Re1 Rc8 12. Rc1 Rc7 13. Bb1 Qa8 14. e4 cxd4 15. Bxd4 Rfc8 16. Qf3 b5 17. Rcd1 a6 18. Bc3 bxc4 19. Nxc4 d5 20. Bxf6 Nxf6 21. Nb6 Qb8 22. Nxc8 dxe4 23. Rd8+ 1-0

[Event "Bayern-chI Bank Hofmann 10th"]
[Site "Bad Wiessee"]
[Date "2006.11.07"]
[Round "4"]
[White "Bykhovsky, Avigdor"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2458"]
[BlackElo "2208"]
[PlyCount "55"]
[EventDate "2006.11.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. e4 e5 10. d5 Nb8 11. Ne1 a5 12. Nd3 Na6 13. a3 Bg4 14. f3 Bd7 15. b4 c6 16. dxc6 bxc6 17. bxa5 d5 18. exd5 cxd5 19. Re1 dxc4 20. Nxc4 Bb5 21. Ncxe5 Bxd3 22. Qxd3 Qc5+ 23. Qe3 Qxa5 24. Nc6 Qa4 25. f4 Rae8 26. Ne7+ Kh8 27. Bc6 Qc2 28. Rac1 1-0

[Event "Bad Woerishofen op 21st"]
[Site "Bad Woerishofen"]
[Date "2005.03.05"]
[Round "3"]
[White "Claassen, Joerg"]
[Black "Pirrot, Dieter"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2235"]
[BlackElo "2400"]
[PlyCount "78"]
[EventDate "2005.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nc6 3. Bf4 Bg4 4. e3 e6 5. Be2 Bd6 6. Bxd6 cxd6 7. Nbd2 Nf6 8. 0-0 0-0 9. c4 dxc4 10. Nxc4 Rc8 11. h3 Bh5 12. Nh4 Bxe2 13. Qxe2 d5 14. Nd2 Na5 15. Rfc1 Qb6 16. b3 Rc6 17. Rxc6 Qxc6 18. b4 Qc3 19. Rb1 Nc6 20. Qd1 Ne7 21. Rc1 Qxb4 22. Rb1 Qa3 23. Rxb7 Nc8 24. Qb1 Nb6 25. Rc7 Ne8 26. Rc5 Nd6 27. Nhf3 g6 28. Qb3 Qa6 29. Ne5 Qe2 30. Ndf3 Nbc4 31. Nxc4 dxc4 32. Qb1 Kg7 33. a4 Rc8 34. Qa1 Rb8 35. Qf1 Qc2 36. Ne1 Qxa4 37. Qe2 Rb1 38. Kh2 Ne4 39. Rc7 Qa5 0-1

[Event "Bayern-chI Bank Hofmann 8th"]
[Site "Bad Wiessee"]
[Date "2004.11.03"]
[Round "5"]
[White "Volkov, Sergey"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2628"]
[BlackElo "2202"]
[PlyCount "64"]
[EventDate "2004.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. 0-0 cxd4 8. Nxd4 Qc8 9. Rd1 Bxg2 10. Kxg2 Be7 11. Nc3 a6 12. f3 0-0 13. Bg5 Nc6 14. Nxc6 dxc6 15. Ne4 b5 16. Qc2 Rd8 17. Rxd8+ Qxd8 18. Rd1 Qa5 19. cxb5 axb5 20. Bxf6 Bxf6 21. Nxf6+ gxf6 22. Qxc6 b4 23. Qe4 f5 24. Qf4 Qb5 25. Kf1 Rc8 26. h4 b3 27. a4 Qc5 28. h5 Qc2 29. Rd2 Qc5 30. Qg5+ Kf8 31. h6 Ke8 32. Kg2 f4 1-0

[Event "Bayern-chI Bank Hofmann 8th"]
[Site "Bad Wiessee"]
[Date "2004.11.02"]
[Round "4"]
[White "Claassen, Joerg"]
[Black "Bocksberger, Stefan"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2202"]
[BlackElo "2349"]
[PlyCount "51"]
[EventDate "2004.11.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 Bg7 9. Qf3 f5 10. Bf4 e6 11. 0-0 Nh6 12. Rad1 Qc7 13. Bb3 Rb8 14. Rfe1 Nf7 15. Qe3 h6 16. h4 g5 17. hxg5 hxg5 18. Bxg5 Bxe5 19. Ne2 c5 20. Bf4 Rb4 21. c4 Bb7 22. Bxe5 Nxe5 23. Nf4 Nxc4 24. Qg3 Ne5 25. Nxe6 dxe6 26. Rxe5 1-0

[Event "Essen Easter op 10th"]
[Site "Essen"]
[Date "2004.04.11"]
[Round "7"]
[White "Eismont, Igor"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E13"]
[WhiteElo "2311"]
[BlackElo "2205"]
[PlyCount "111"]
[EventDate "2004.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Bg5 h6 6. Bh4 b6 7. e3 Bb7 8. Nf3 d6 9. Be2 Nbd7 10. 0-0 Bxc3 11. Qxc3 Ne4 12. Qc2 g5 13. Bg3 f5 14. Nd2 Nxg3 15. fxg3 Nf6 16. Bd3 c5 17. d5 exd5 18. Bxf5 Qe7 19. Rae1 Rae8 20. b3 dxc4 21. bxc4 d5 22. g4 dxc4 23. Qxc4+ Bd5 24. Qa4 Ne4 25. Nxe4 Bxe4 26. Qc4+ Qf7 27. Bh7+ Bxh7 28. Rxf7 Rxf7 29. e4 Kg7 30. e5 Rfe7 31. Qc3 Re6 32. a3 R8e7 33. h4 gxh4 34. Kh2 Rd7 35. Re3 Rd4 36. Kh3 Rxe5 37. Qxd4 cxd4 38. Rxe5 Kf6 39. Rd5 d3 40. Kxh4 Be4 41. Rd8 Ke5 42. Kg3 Bd5 43. Kf2 d2 44. Ke2 d1Q+ 45. Kxd1 Bxg2 46. Ke2 Kf4 47. Kf2 Be4 48. Rd4 a5 49. Ra4 b5 50. Rxa5 Bd3 51. Ra6 Kxg4 52. Rxh6 Kf4 53. Re6 Bc2 54. Ke2 Ba4 55. Kd2 Kf5 56. Rb6 1-0

[Event "Essen Easter op 10th"]
[Site "Essen"]
[Date "2004.04.10"]
[Round "6"]
[White "Claassen, Joerg"]
[Black "Matzat, Andre"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2205"]
[BlackElo "2145"]
[PlyCount "79"]
[EventDate "2004.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. 0-0 d6 8. Nc3 Nf6 9. f4 Qc7 10. Kh1 b5 11. a4 b4 12. Na2 a5 13. c3 Qb7 14. Qe2 Nc6 15. Bb5 0-0 16. Bd2 e5 17. cxb4 Bg4 18. Qd3 Nxb4 19. Nxb4 axb4 20. Bxb4 Rfd8 21. Rac1 d5 22. Na5 Qa7 23. Nc6 dxe4 24. Qg3 exf4 25. Qxf4 Bxb4 26. Nxa7 Rxa7 27. Qg3 Bd6 28. Qe3 Re7 29. h3 Bh5 30. Bc6 Bg6 31. a5 Nh5 32. Rfd1 f5 33. Rxd6 Rxd6 34. Qb3+ Rde6 35. Bd5 Kf7 36. Rc6 Nf4 37. Bxe6+ Nxe6 38. a6 f4 39. a7 e3 40. a8Q 1-0

[Event "Essen Easter op 10th"]
[Site "Essen"]
[Date "2004.04.10"]
[Round "5"]
[White "Khurtsidze, Nino"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2411"]
[BlackElo "2205"]
[PlyCount "83"]
[EventDate "2004.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nge2 d5 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 cxd4 10. cxd4 b6 11. a4 Bb7 12. 0-0 Qc7 13. Bd3 Be4 14. Bxe4 Nxe4 15. Qd3 Qb7 16. a5 Nf6 17. Ba3 Rc8 18. Rfb1 Nbd7 19. Nc3 Ne8 20. a6 Qc6 21. Nb5 Ndf6 22. Rc1 Qd7 23. e4 Rc6 24. Rxc6 Qxc6 25. e5 Nd5 26. Rc1 Qd7 27. Qc4 Rd8 28. Qc6 f5 29. Qxd7 Rxd7 30. Rc8 Kf7 31. Ra8 Ne7 32. Rxa7 Rxa7 33. Nxa7 Nc7 34. Bxe7 Kxe7 35. Nc6+ Kd7 36. Nb4 Kc8 37. f4 Kb8 38. Kf2 Ka7 39. Ke3 b5 40. d5 exd5 41. Kd4 Kb6 42. Nxd5+ 1-0

[Event "Essen Easter op 10th"]
[Site "Essen"]
[Date "2004.04.09"]
[Round "4"]
[White "Claassen, Joerg"]
[Black "Gohla, Ulf"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2205"]
[BlackElo "2066"]
[PlyCount "47"]
[EventDate "2004.04.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 099 Extra"]
[Source "ChessBase"]
[SourceDate "2004.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2004.05.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. Bd2 Qc7 13. 0-0-0 Ngf6 14. c4 0-0-0 15. Ne4 c5 16. Kb1 cxd4 17. Nxf6 Nxf6 18. Rh4 Kb8 19. Rxd4 Rxd4 20. Nxd4 Be7 21. Nb5 Qb6 22. Bf4+ Kc8 23. c5 Bxc5 24. Bc7 1-0

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.07"]
[Round "8"]
[White "Claassen, Joerg"]
[Black "Reschke, Stefan"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2205"]
[BlackElo "2362"]
[PlyCount "70"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. g4 Rfc8 13. h4 Qa5 14. a3 Rab8 15. Bxf6 Bxf6 16. Nd5 Qxd2 17. Nxf6+ Kg7 18. Ne8+ Rxe8 19. Rxd2 h6 20. g5 Rh8 21. Rdh2 Rh7 22. Bd3 Rbh8 23. gxh6+ Rxh6 24. f4 Bd7 25. Kc1 e5 26. fxe5 dxe5 27. Be2 Bc6 28. Bf3 f5 29. Kd2 g5 30. h5 g4 31. Bg2 f4 32. Rh4 Bd7 33. Bf1 Kf6 34. Bc4 Kg5 35. Bf7 g3 1/2-1/2

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.07"]
[Round "9"]
[White "Tchernyi, Andrei"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2089"]
[BlackElo "2205"]
[PlyCount "29"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 e6 3. b3 Be7 4. Bb2 b6 5. c4 Bb7 6. Be2 c5 7. 0-0 0-0 8. Qc1 Nc6 9. Rd1 Rc8 10. d4 cxd4 11. exd4 d5 12. Qf4 Bd6 13. Ne5 Qd7 14. Na3 Nxd4 15. Qxd4 1-0

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.06"]
[Round "7"]
[White "Hupe, Henning"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2101"]
[BlackElo "2205"]
[PlyCount "54"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Be7 5. Bd3 Bb7 6. c4 0-0 7. Nc3 c5 8. 0-0 cxd4 9. exd4 d5 10. cxd5 Nxd5 11. Bg3 Nd7 12. Rc1 N7f6 13. Re1 Rc8 14. Ne4 Rxc1 15. Qxc1 Nb4 16. Nxf6+ Bxf6 17. Qc4 Nxd3 18. Qxd3 Bxf3 19. Qxf3 Qxd4 20. Qb7 a5 21. b3 Qd2 22. Rf1 Bd4 23. h3 Bc5 24. Qe4 Qxa2 25. Qc4 Rd8 26. Qb5 Qd2 27. Kh2 Qd3 0-1

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.05"]
[Round "6"]
[White "Claassen, Joerg"]
[Black "Schmitz, Manuela"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2205"]
[BlackElo "2047"]
[PlyCount "44"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Bd7 8. a4 Nc6 9. Ba3 cxd4 10. cxd4 Qa5+ 11. Qd2 Qxd2+ 12. Kxd2 Na5 13. Bb4 Nc6 14. Rb1 Nxb4 15. Rxb4 Rb8 16. Bb5 Ne7 17. Bxd7+ Kxd7 18. Rhb1 b6 19. Kd3 Nc6 20. R4b3 Na5 21. Rc3 f6 22. exf6 gxf6 1/2-1/2

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.05"]
[Round "5"]
[White "Donchenko, Anatoly G"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2410"]
[BlackElo "2205"]
[PlyCount "97"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. Nc3 g6 6. 0-0 Bg7 7. d4 cxd4 8. Qxd4 0-0 9. Qh4 d6 10. Bh6 Nbd7 11. b3 Rc8 12. Rad1 a6 13. a4 Nc5 14. Ng5 Bxg2 15. Kxg2 Ne6 16. Rd3 Bxh6 17. Qxh6 Nxg5 18. Qxg5 Rc5 19. Qd2 Qa8+ 20. f3 Rfc8 21. Rd4 R8c7 22. Rd1 Qc8 23. Rh4 Qf8 24. Rd4 Qc8 25. Rf4 Rd7 26. Rxf6 exf6 27. Nd5 Rxd5 28. Qxd5 Qc5 29. a5 Qe3 30. axb6 Qxb6 31. c5 Qb5 32. Qc4 Qc6 33. Qa4 Qxa4 34. bxa4 d5 35. Rd4 Re7 36. Kf2 Rb7 37. Rxd5 Rb4 38. c6 Rc4 39. Rd6 a5 40. Ke3 Kg7 41. Kd3 Rc1 42. Kd4 Kf8 43. Kd5 Rc2 44. Rd8+ Ke7 45. Rd7+ Ke8 46. Ra7 Rxe2 47. Ra8+ Ke7 48. c7 Rd2+ 49. Ke4 1-0

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.04"]
[Round "4"]
[White "Claassen, Joerg"]
[Black "Semmler, Guenter"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2205"]
[BlackElo "2092"]
[PlyCount "107"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Be7 5. h3 c6 6. g3 0-0 7. Bg2 Re8 8. 0-0 Nbd7 9. d5 cxd5 10. Nxd5 Nxd5 11. Qxd5 Nb6 12. Qd3 Be6 13. b3 d5 14. exd5 Bxd5 15. Rd1 Bxg2 16. Kxg2 Qxd3 17. Rxd3 Rad8 18. Rxd8 Rxd8 19. Be3 Nc8 20. Nc3 f5 21. Rd1 Rxd1 22. Nxd1 Kf7 23. c4 Bb4 24. Kf3 a6 25. Bc1 Ne7 26. Bb2 Ke6 27. Ne3 Bc5 28. Bc3 Bxe3 29. Kxe3 g6 30. a4 Nc6 31. b4 Nb8 32. f3 Nd7 33. Kd3 Kd6 34. Bd2 Kc6 35. a5 b6 36. axb6 Nxb6 37. Kc3 Nc8 38. Be3 Nd6 39. Bc5 Nb7 40. Ba7 Nd6 41. Bb8 Nf7 42. f4 e4 43. Ba7 Kb7 44. Be3 Kc6 45. Kd4 Nd6 46. g4 Nf7 47. gxf5 gxf5 48. c5 h5 49. Bd2 Nh6 50. Ke5 h4 51. Be1 e3 52. Bxh4 a5 53. bxa5 Kxc5 54. Be1 1-0

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.03"]
[Round "2"]
[White "Claassen, Joerg"]
[Black "Brahn, Helmut"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2205"]
[BlackElo "1561"]
[PlyCount "35"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Bd7 8. Qd2 Be7 9. 0-0-0 Nc6 10. g4 0-0 11. g5 Nh5 12. Nb3 g6 13. f4 Re8 14. Be2 Ng7 15. h4 Rc8 16. Kb1 e5 17. Nd5 exf4 18. Bb6 1-0

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.03"]
[Round "3"]
[White "Guliyev, Namig"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2457"]
[BlackElo "2205"]
[PlyCount "85"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[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 Nce7 12. Qd3 h6 13. Ne5 Nxc3 14. Qxc3 Nf5 15. Be3 a5 16. Rad1 a4 17. Bxf5 exf5 18. d5 Ra5 19. Bc5 Re8 20. d6 Bxe5 21. Rxe5 Rxe5 22. Qxe5 Be6 23. Qc3 b6 24. Bb4 Ra7 25. Qe5 Qd7 26. a3 f6 27. Qe3 Rb7 28. Re1 Kf7 29. Qf3 Ra7 30. h4 b5 31. Bc5 Ra6 32. Qh5+ Kg8 33. Qf3 Kf7 34. h5 Rc6 35. Bb4 Rc8 36. Qg3 Rc4 37. Qd3 Rc8 38. Qd4 Rc6 39. Qe3 Rc4 40. Qb6 Rc8 41. Bc5 Rc6 42. Qxb5 Rxd6 43. Qb8 1-0

[Event "Bad Zwesten op 8th"]
[Site "Bad Zwesten"]
[Date "2004.01.02"]
[Round "1"]
[White "Rashidian, Sagross"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1658"]
[BlackElo "2205"]
[PlyCount "66"]
[EventDate "2004.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 c5 8. c3 Be7 9. Qc2 0-0 10. Bd2 Qc7 11. 0-0 Rd8 12. Ne4 Nxe4 13. Bxe4 Nf6 14. Bd3 b6 15. dxc5 bxc5 16. Bg5 h6 17. Bh4 Bb7 18. Rfe1 Bxf3 19. gxf3 Qf4 20. Bg3 Qxf3 21. Bf1 Rac8 22. Qa4 Bd6 23. Bg2 Qf5 24. Be4 Nxe4 25. Rxe4 Bxg3 26. hxg3 Rd2 27. Rf4 Qh5 28. Rh4 Qf3 29. Rf4 Qb7 30. b3 Rcd8 31. b4 g5 32. Rc4 Qf3 33. Rf1 Rd1 0-1

[Event "Bayern-chI Bank Hofmann 7th"]
[Site "Bad Wiessee"]
[Date "2003.11.10"]
[Round "3"]
[White "Mainka, Romuald"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2459"]
[BlackElo "2205"]
[PlyCount "61"]
[EventDate "2003.11.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bf5 7. Bd2 e6 8. Nd5 Qd8 9. Nxf6+ gxf6 10. c3 Qc7 11. Qe2 Nd7 12. Nh4 Bg6 13. g3 Bd6 14. 0-0 0-0-0 15. b4 f5 16. b5 c5 17. a4 f4 18. a5 Rhg8 19. b6 axb6 20. a6 Kb8 21. axb7 Qxb7 22. Ba6 Qe4 23. Nxg6 Qxe2 24. Bxe2 hxg6 25. Bf3 Rc8 26. dxc5 Bxc5 27. Bxf4+ e5 28. Rfd1 Rgd8 29. Ra8+ Kc7 30. Ra7+ Kb8 31. Rb7+ 1-0

[Event "Oberwart op"]
[Site "Oberwart"]
[Date "2002.07.13"]
[Round "9"]
[White "Wallner, Joachim"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2327"]
[BlackElo "2205"]
[PlyCount "62"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nb3 Qc7 7. Nc3 b5 8. Qe2 Bb7 9. f4 Rc8 10. Bd2 Nb4 11. 0-0 Nf6 12. e5 Nfd5 13. Ne4 Be7 14. Kh1 0-0 15. Nf6+ Bxf6 16. exf6 Nxd3 17. fxg7 Kxg7 18. cxd3 f5 19. Nd4 Rg8 20. Rac1 Qb8 21. Rxc8 Rxc8 22. Rf3 Kf7 23. Rf2 Nf6 24. Bc3 Qd6 25. a3 Ng4 26. Rf1 a5 27. Nxb5 Qd5 28. a4 Ne3 29. Qh5+ Kf8 30. Qh6+ Ke8 31. Qh5+ Kf8 1/2-1/2

[Event "Oberwart op"]
[Site "Oberwart"]
[Date "2002.07.06"]
[Round "2"]
[White "Claassen, Joerg"]
[Black "Rashkovsky, Nukhim N"]
[Result "0-1"]
[ECO "E33"]
[WhiteElo "2205"]
[BlackElo "2511"]
[PlyCount "52"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. Qxc3 e5 10. dxe5 dxe5 11. e3 Bg4 12. Be2 0-0-0 13. 0-0 Qg6 14. Rfd1 h5 15. b4 e4 16. Nd4 Nxd4 17. Bxg4+ hxg4 18. exd4 f5 19. Qg3 Qg5 20. Qe5 Rde8 21. Qc5 e3 22. Re1 exf2+ 23. Kxf2 Qf4+ 24. Kg1 Qxh2+ 25. Kf1 Rxe1+ 26. Rxe1 Qh1+ 0-1

[Event "Kleve op"]
[Site "Kleve"]
[Date "2002.05.11"]
[Round "5"]
[White "Altrock, Rainer"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2091"]
[BlackElo "2208"]
[PlyCount "44"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 d5 4. cxd5 cxd5 5. exd5 Nxd5 6. d4 e6 7. Nf3 Be7 8. Bd3 Nc6 9. 0-0 0-0 10. Re1 b6 11. Nxd5 exd5 12. Bxh7+ Kxh7 13. Qc2+ Kh8 14. Qxc6 Bf5 15. Bf4 Rc8 16. Qb7 Bb4 17. Rec1 Qd7 18. Qxd7 Bxd7 19. Rxc8 Rxc8 20. Rc1 Rxc1+ 21. Bxc1 Bd6 22. Be3 f6 1/2-1/2

[Event "Kleve op"]
[Site "Kleve"]
[Date "2002.05.11"]
[Round "6"]
[White "Claassen, Joerg"]
[Black "Niemers, Johannes"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2208"]
[BlackElo "2003"]
[PlyCount "114"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 f5 5. Bd3 Nf6 6. 0-0 Be7 7. b3 0-0 8. Ba3 Ne4 9. Bxe7 Qxe7 10. Qc2 Nd7 11. Nc3 Ndf6 12. Ne5 Nxc3 13. Qxc3 Nd7 14. Nxd7 Bxd7 15. b4 dxc4 16. Bxc4 Be8 17. f4 Bf7 18. Rab1 Rfd8 19. Rfc1 Rac8 20. a4 h6 21. Be2 Qe8 22. Qc2 Bh5 23. Bc4 Bf7 24. Qb2 Qe7 25. Rc3 Rc7 26. Rbc1 Rdc8 27. Be2 Be8 28. a5 a6 29. Rc5 Rd8 30. Bc4 Bf7 31. Qb3 Rcd7 32. g3 Rd6 33. Qc3 Kf8 34. Bb3 Bh5 35. Kf2 Ke8 36. Re5 Bf7 37. Qc5 Kf8 38. Rd1 R6d7 39. Qxe7+ Kxe7 40. h3 Kf6 41. g4 Rd6 42. gxf5 Bh5 43. Rc1 exf5 44. Rcc5 g6 45. h4 Bg4 46. d5 g5 47. Kg3 gxh4+ 48. Kxh4 cxd5 49. Rexd5 Rxd5 50. Bxd5 Rd7 51. e4 h5 52. e5+ Ke7 53. b5 Be2 54. b6 Kd8 55. Be6 Rd4 56. Rd5+ Rxd5 57. Bxd5 Kc8 1-0

[Event "Kleve op"]
[Site "Kleve"]
[Date "2002.05.10"]
[Round "4"]
[White "Claassen, Joerg"]
[Black "Bock, Juergen"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2208"]
[BlackElo "2223"]
[PlyCount "61"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb4 4. Qc2 Bb7 5. a3 Bxc3+ 6. Qxc3 f5 7. Nf3 Nf6 8. Bg5 0-0 9. e3 d6 10. Be2 Nbd7 11. 0-0 Ne4 12. Bxd8 Nxc3 13. bxc3 Raxd8 14. Nd2 e5 15. f4 exf4 16. exf4 Rde8 17. Rfe1 g6 18. Kf2 Nf6 19. h3 h6 20. Bf3 Bxf3 21. Kxf3 Kf7 22. g4 Rxe1 23. Rxe1 Re8 24. Rxe8 Kxe8 25. g5 hxg5 26. fxg5 Nd7 27. Nf1 Nf8 28. Ne3 c6 29. h4 Ne6 30. Ng2 Kf8 31. Nf4 1/2-1/2

[Event "Kleve op"]
[Site "Kleve"]
[Date "2002.05.10"]
[Round "3"]
[White "Ruetten, Ingmar"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2023"]
[BlackElo "2208"]
[PlyCount "44"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Bb2 Re8 9. Be2 Qe7 10. 0-0 e5 11. cxd5 cxd5 12. Nb5 e4 13. Nxd6 Qxd6 14. Ne5 Qe7 15. f4 exf3 16. Bxf3 Nxe5 17. dxe5 Ng4 18. Rae1 Nxe5 19. Bxe5 Be6 20. e4 Rac8 21. exd5 Bxd5 22. Kh1 f6 1/2-1/2

[Event "Kleve op"]
[Site "Kleve"]
[Date "2002.05.09"]
[Round "2"]
[White "Claassen, Joerg"]
[Black "Hidding, Markus"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2208"]
[BlackElo "1922"]
[PlyCount "87"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 Nf6 4. Nc3 g6 5. e4 Bg7 6. f3 0-0 7. Bg5 h6 8. Be3 e6 9. Qd2 exd5 10. cxd5 Kh7 11. Nge2 a6 12. a4 Nbd7 13. Nc1 b6 14. Be2 Re8 15. 0-0 Qc7 16. N1a2 Rb8 17. Rab1 Bb7 18. Kh1 Re7 19. Rfc1 Ne5 20. b4 a5 21. bxc5 bxc5 22. Nb5 Qd8 23. Nxd6 Qxd6 24. Bxc5 Qd8 25. Bxe7 Qxe7 26. Ba6 h5 27. d6 Qe6 28. Rxb7 Rxb7 29. Bxb7 Bh6 30. f4 Nc4 31. Qd4 Nxd6 32. Bd5 Nxd5 33. exd5 Qg4 34. Nc3 Bxf4 35. Rf1 g5 36. g3 Qh3 37. Qd3+ Kg8 38. Rf3 Be5 39. Ne4 Nxe4 40. Qxe4 f6 41. Qf5 Qxf5 42. Rxf5 Kg7 43. Kg2 Kf7 44. Kf3 1-0

[Event "Kleve op"]
[Site "Kleve"]
[Date "2002.05.09"]
[Round "1"]
[White "Rothkugel, Wolfgang"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1603"]
[BlackElo "2208"]
[PlyCount "66"]
[EventDate "2002.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. c4 g6 6. Nc3 Bg7 7. d3 e6 8. Re1 Nge7 9. Bg5 h6 10. Be3 Nd4 11. Bxd7+ Qxd7 12. Qd2 Nxf3+ 13. gxf3 Nc6 14. f4 Nd4 15. Bxd4 Bxd4 16. e5 Bxc3 17. Qxc3 d5 18. d4 cxd4 19. Qxd4 dxc4 20. Qxc4 Rc8 21. Qb4 Qe7 22. Qb5+ Kf8 23. Red1 Rc7 24. Rd6 Kg7 25. Rad1 Rhc8 26. Rd7 Qh4 27. Qa4 Rxd7 28. Qxd7 Qg4+ 29. Kf1 Rc2 30. Qd4 Qf3 31. Kg1 Re2 32. Rf1 Re4 33. Qd6 Rxf4 0-1

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2002.01.05"]
[Round "9"]
[White "Gruene, Nils"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2103"]
[BlackElo "2140"]
[PlyCount "60"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 a6 8. 0-0 Nf6 9. e5 Ng4 10. Bf4 f6 11. Nd5 exd5 12. exf6+ Nce5 13. f7+ Kd8 14. Bxd5 d6 15. Nxe5 Nxe5 16. Bxe5 dxe5 17. Rac1 Qb8 18. Rfd1 Bd6 19. Qe3 h6 20. Qb6+ Ke7 21. Bb3 Bd7 22. Rc2 Bc6 23. Qe3 Qc7 24. Qg3 g5 25. Qg4 Qd7 26. Qh5 Qf5 27. Rcd2 Rhd8 28. f8Q+ Rxf8 29. Bc2 Qf6 30. Qg4 Rfd8 0-1

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2002.01.04"]
[Round "8"]
[White "Claassen, Joerg"]
[Black "Kaeser, Udo"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2140"]
[BlackElo "2360"]
[PlyCount "32"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nd7 5. Nf3 f5 6. Be2 Bd6 7. 0-0 Qf6 8. Rb1 Ne7 9. Bd2 a6 10. b4 e5 11. dxe5 Nxe5 12. cxd5 cxd5 13. b5 0-0 14. bxa6 bxa6 15. Qa4 Be6 16. Rb6 Rfd8 1/2-1/2

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2002.01.03"]
[Round "7"]
[White "Stanetzek, Carsten"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2213"]
[BlackElo "2140"]
[PlyCount "24"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Qxd4 Bd7 6. Bxc6 Bxc6 7. 0-0 e5 8. Qd3 Nf6 9. Re1 a6 10. c4 Be7 11. Nc3 0-0 12. b4 Ng4 1/2-1/2

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2002.01.02"]
[Round "6"]
[White "Claassen, Joerg"]
[Black "Philipowski, Robert"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2140"]
[BlackElo "2284"]
[PlyCount "62"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 e6 5. Nc3 exd5 6. Nxd5 Bb7 7. e4 Nxd5 8. exd5 a6 9. bxa6 Nxa6 10. Bc4 Bd6 11. Qe2+ Qe7 12. Bg5 Qxe2+ 13. Nxe2 Nb4 14. 0-0 Be5 15. Nc3 f6 16. Bd2 Bxc3 17. Bxc3 Bxd5 18. Rfe1+ Kf7 19. Bxb4 Bxc4 20. Bxc5 Rxa2 21. Rxa2 Bxa2 22. Re7+ Kg6 23. Rxd7 Bc4 24. h3 Re8 25. g4 Be6 26. Rc7 Rc8 27. Rxc8 Bxc8 28. Kg2 h5 29. Kg3 hxg4 30. hxg4 f5 31. f3 fxg4 1/2-1/2

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2001.12.31"]
[Round "5"]
[White "Schott, Guido"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2118"]
[BlackElo "2140"]
[PlyCount "47"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. c4 Bg4 5. cxd5 Nxd5 6. Qa4 Bh5 7. Nc3 e6 8. 0-0 Be7 9. e4 Nxc3 10. bxc3 Nd7 11. d4 0-0 12. Rb1 b5 13. Qb3 Bg6 14. Re1 Rc8 15. Bf4 a6 16. c4 bxc4 17. Qxc4 c5 18. d5 exd5 19. Qxd5 Nf6 20. Qc4 Qa5 21. Rb7 Rfe8 22. e5 Ng4 23. Bd2 Nxe5 24. Rxe5 1-0

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2001.12.30"]
[Round "4"]
[White "Claassen, Joerg"]
[Black "Meissner, Wolf Dieter"]
[Result "1-0"]
[ECO "A91"]
[WhiteElo "2140"]
[PlyCount "57"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. e3 0-0 6. Ne2 d6 7. Qb3 Na6 8. Nbc3 Kh8 9. 0-0 Qe8 10. e4 e5 11. Qc2 Qh5 12. Nd5 Nxd5 13. cxd5 fxe4 14. Bxe4 Bg4 15. Re1 Rxf2 16. Kxf2 Qxh2+ 17. Bg2 Rf8+ 18. Bf4 Bh3 19. Qe4 exf4 20. Nxf4 Rxf4+ 21. gxf4 Bh4+ 22. Ke3 Qg3+ 23. Kd2 g6 24. Bxh3 Qxh3 25. Rh1 Qg3 26. Rae1 Kg7 27. Re3 Qf2+ 28. Re2 Qg3 29. Rg2 1-0

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2001.12.29"]
[Round "3"]
[White "Ekat, Michael"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2140"]
[PlyCount "92"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. a3 a6 8. 0-0 Nf6 9. Qe2 Bd6 10. h3 0-0 11. Bg5 Nh5 12. e5 Nxe5 13. Nxe5 Bxe5 14. Bxe6 dxe6 15. Qxh5 Bd7 16. Qg4 Bc6 17. Rfe1 Rae8 18. Rac1 Kh8 19. b4 f6 20. Be3 Qf7 21. Bc5 Rg8 22. Re3 f5 23. Qc4 b5 24. Qh4 g5 25. Qh6 Rg6 26. Qxg6 Qxg6 27. Rxe5 g4 28. Bd4 Kg8 29. h4 g3 30. f3 Qh6 31. Ne2 Bd5 32. Rc7 Qd2 33. Kh1 Bc4 34. Bc3 Qd1+ 35. Ng1 Qc1 36. Bd4 Qd2 37. Rd7 Bd5 38. Ba1 Qc1 39. Rg7+ Kf8 40. Bd4 Qf4 41. Ne2 Qxh4+ 42. Kg1 Qh2+ 43. Kf1 Kxg7 44. Rxd5+ Kg8 45. Rd6 e5 46. Bg1 Qh4 0-1

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2001.12.28"]
[Round "2"]
[White "Claassen, Joerg"]
[Black "Behl, Torsten"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2140"]
[BlackElo "2141"]
[PlyCount "79"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Rb1 c5 9. Qd2 a6 10. Be2 Qa5 11. 0-0 Nc6 12. Qe3 b5 13. d5 Ne5 14. Nxe5 Bxe5 15. Qxc5 Bd7 16. Qxe7 Qc7 17. f4 Rfe8 18. Qh4 Bxc3 19. Bf3 Bd4+ 20. Kh1 Qc4 21. Bd2 Qxa2 22. Rbd1 Rac8 23. Bb4 Qc4 24. Be7 b4 25. e5 Ba4 26. Bf6 Bxd1 27. Rxd1 Bxe5 28. fxe5 Qxh4 29. Bxh4 Rxe5 30. d6 g5 31. Bg3 Rec5 32. d7 Rd8 33. Bd6 Rc2 34. Be7 Rxd7 35. Rxd7 b3 36. Bf6 Rc1+ 37. Bd1 h5 38. h3 Kh7 39. Bb2 Rb1 40. Rd2 1-0

[Event "Lohmar Elo 0102 5th"]
[Site "Lohmar"]
[Date "2001.12.27"]
[Round "1"]
[White "Koenig, Christian"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2190"]
[BlackElo "2140"]
[PlyCount "76"]
[EventDate "2001.12.27"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. c4 a6 7. N5c3 Nf6 8. Be2 Qc7 9. 0-0 b6 10. Be3 Bb7 11. Nd2 Rb8 12. Rc1 Ne5 13. f4 Ned7 14. Bf3 Be7 15. Qe2 0-0 16. g4 Ne8 17. g5 Rd8 18. Bg4 Qb8 19. Rf3 Nc7 20. Rh3 Rfe8 21. Qf2 b5 22. cxb5 axb5 23. a3 d5 24. exd5 Nxd5 25. Nxd5 Bxd5 26. f5 exf5 27. Bxf5 g6 28. Bxd7 Rxd7 29. Qh4 h5 30. Nf1 Qe5 31. b4 Qb2 32. Qf2 Qxa3 33. Rh4 Bc4 34. Rb1 Qd3 35. Ra1 Bxb4 36. Rd4 Rxd4 37. Bxd4 Bc3 38. Bxc3 Qxc3 0-1

[Event "Oberliga Mittelrhein 9495"]
[Site "Mittelrhein"]
[Date "1995.??.??"]
[Round "5.8"]
[White "Claassen, Joerg"]
[Black "Haag, Martin"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2140"]
[BlackElo "2285"]
[PlyCount "46"]
[EventDate "1994.10.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nc6 5. cxd5 exd5 6. g3 Nf6 7. Bg5 Be7 8. Bg2 0-0 9. 0-0 c4 10. Ne5 Be6 11. Bxf6 Bxf6 12. f4 Qb6 13. e3 Bxe5 14. fxe5 Qxb2 15. Nxd5 Rad8 16. Rb1 Qa3 17. e4 b6 18. Qd2 Qd3 19. Rfd1 Qxd2 20. Rxd2 c3 21. Rd3 c2 22. Rc1 Bxd5 23. exd5 Nb4 1/2-1/2

[Event "Eupen op act"]
[Site "Eupen"]
[Date "1994.??.??"]
[Round "6"]
[White "Budde, Vladimir"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2300"]
[BlackElo "2105"]
[PlyCount "57"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 Nbd7 7. Nf3 e5 8. d5 h6 9. Be3 a5 10. g4 Nc5 11. Nd2 Ne8 12. Rg1 b6 13. Qe2 Kh7 14. 0-0-0 f5 15. gxf5 gxf5 16. Qh5 Qf6 17. Be2 f4 18. Bxc5 bxc5 19. Nf3 Qe7 20. Ng5+ Kg8 21. Ne6 Bxe6 22. dxe6 Qxe6 23. Rg6 Rf6 24. Rdg1 Kh7 25. Rxf6 Qxf6 26. Nd5 Qe6 27. Bg4 Nf6 28. Bf5+ Kh8 29. Qg6 1-0

[Event "Cologne-ch 43rd"]
[Site "Cologne"]
[Date "1994.??.??"]
[Round "?"]
[White "Claassen, Joerg"]
[Black "Hoffmann, Christian"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2105"]
[PlyCount "141"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. Nf3 b6 4. g3 Bb7 5. Bg2 d5 6. 0-0 Be7 7. Qc2 0-0 8. Nbd2 Nbd7 9. b3 Rc8 10. Bb2 c5 11. Rac1 dxc4 12. Qxc4 cxd4 13. Qxd4 Bc5 14. Qh4 Qe7 15. Nc4 Nd5 16. Qxe7 Bxe7 17. Rfd1 Nc5 18. Nd4 Rfd8 19. e4 Nf6 20. e5 Nd5 21. Nb5 Ra8 22. Nbd6 Bc6 23. Ba3 f6 24. b4 Na4 25. b5 Bd7 26. Rxd5 exd5 27. Bxd5+ Kf8 28. Bxa8 Rxa8 29. exf6 gxf6 30. Ne3 Bxd6 31. Bxd6+ Ke8 32. Nd5 Kf7 33. Nc7 Rd8 34. Re1 Nc3 35. Bb4 Nxb5 36. Re7+ Kg6 37. Nd5 Bc6 38. Nf4+ Kf5 39. Kf1 Bf3 40. Re3 Rd1+ 41. Be1 Nd4 42. Ne6 Nc2 43. Rxf3+ Kxe6 44. Ke2 Rxe1+ 45. Kd2 Nd4 46. Rf4 Re2+ 47. Kd3 Rxa2 48. Rxd4 Rxf2 49. Rh4 b5 50. Rxh7 a5 51. Kd4 a4 52. Kc5 a3 53. Kxb5 a2 54. Ra7 Rxh2 55. Kc5 Ke5 56. Kc6 Rd2 57. Ra4 Kf5 58. Kc5 Kg5 59. Kc4 f5 60. Kc3 Rg2 61. Kd4 Rxg3 62. Rxa2 Kf4 63. Ra8 Re3 64. Ra1 Rf3 65. Re1 Rf2 66. Kd5 Kg3 67. Ke5 f4 68. Rg1+ Kf3 69. Kf5 Ke2 70. Ra1 f3 71. Kf4 1/2-1/2

[Event "Oberliga Mittelrhein 9495"]
[Site "Mittelrhein"]
[Date "1994.??.??"]
[Round "?"]
[White "Claassen, Joerg"]
[Black "Kies, Werner"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2140"]
[PlyCount "109"]
[EventDate "1994.10.??"]
[EventType "team"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 h6 7. Be3 e5 8. d5 Kh7 9. Bd3 Nbd7 10. Nge2 a6 11. 0-0 b6 12. Qd2 Nc5 13. Bc2 a5 14. b3 Nh5 15. Rab1 Qe7 16. a3 f5 17. exf5 Bxf5 18. b4 axb4 19. axb4 Bxc2 20. Qxc2 Nd7 21. Ne4 Nf4 22. Ra1 Nxe2+ 23. Qxe2 Nf6 24. Qd3 Qf7 25. b5 Qd7 26. h4 Nh5 27. Ra3 Nf4 28. Bxf4 exf4 29. Rd1 Qe7 30. h5 Rxa3 31. hxg6+ Kxg6 32. Qxa3 Be5 33. Rd2 Qh4 34. Nf2 Re8 35. Rd1 Kg7 36. Ne4 Rf8 37. Qa7 Rf7 38. Qa8 Rf5 39. Nf2 Rh5 40. Qc8 Qe7 41. Re1 Rg5 42. Re4 Kh7 43. Nh3 Rg7 44. Qf5+ Kg8 45. Qc8+ Kh7 46. Qf5+ Kg8 47. Qe6+ Qxe6 48. dxe6 Re7 49. Nxf4 Bxf4 50. Rxf4 Rxe6 51. Kf2 Re5 52. Re4 Rc5 53. Ke3 Kf7 54. g4 h5 55. gxh5 1/2-1/2

[Event "Cologne-ch 43rd"]
[Site "Cologne"]
[Date "1994.??.??"]
[Round "?"]
[White "Claassen, Joerg"]
[Black "Manay, Gueven"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2105"]
[PlyCount "136"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. Be2 e6 6. d4 Nf6 7. e5 Nfd7 8. Bf4 c5 9. Nb5 Bxf3 10. gxf3 cxd4 11. Qxd4 Nc6 12. Qa4 a6 13. Nd6+ Bxd6 14. exd6 Qa5+ 15. Qxa5 Nxa5 16. Rg1 g6 17. 0-0-0 Rc8 18. Rge1 0-0 19. Kb1 Rfe8 20. b3 b5 21. h4 f6 22. Bf1 Kf7 23. Bc1 Rc6 24. Ba3 Nb6 25. f4 Nb7 26. h5 Nxd6 27. hxg6+ hxg6 28. Bxd6 Rxd6 29. c4 bxc4 30. bxc4 Na4 31. Ka1 Nc3 32. Rd3 d4 33. c5 Rc6 34. Rxd4 Rxc5 35. Bc4 Nd5 36. Bb3 Re7 37. Rh1 Kg7 38. f5 gxf5 39. Rdh4 Kg6 40. Rg1+ Kf7 41. Rh7+ Kf8 42. Rh8+ Kf7 43. Rhg8 Rc1+ 44. Rxc1 Kxg8 45. Rc6 Nc7 46. Kb2 Kf7 47. a4 Ke8 48. a5 Kd7 49. Ba4 Kc8 50. Kc3 Rh7 51. Rd6 Rh3+ 52. Kd2 Rh7 53. Ke2 Re7 54. Bb3 Nb5 55. Rd3 Kc7 56. Bc4 Kc6 57. Rd8 Kc5 58. Rc8+ Kb4 59. Kd3 e5 60. Rc6 Rd7+ 61. Ke3 f4+ 62. Ke4 Rd4+ 63. Kf5 Rxc4 64. Rxa6 Nd4+ 65. Kxf6 Rc6+ 66. Rxc6 Nxc6 67. a6 Kc5 68. a7 Nxa7 1/2-1/2

[Event "Eupen op act"]
[Site "Eupen"]
[Date "1994.??.??"]
[Round "2"]
[White "Claassen, Joerg"]
[Black "Murey, Jacob"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2105"]
[BlackElo "2525"]
[PlyCount "87"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 Nc6 7. d5 Ne5 8. f4 Ned7 9. Nf3 Nc5 10. Qc2 h6 11. Bh4 Ng4 12. Qe2 f5 13. e5 dxe5 14. Nxe5 g5 15. Nxg4 fxg4 16. Bf2 Qd6 17. fxg5 Bf5 18. Qe3 Ne4 19. Nxe4 Bxe4 20. 0-0-0 Qe5 21. Rd2 Qxg5 22. Qxg5 hxg5 23. Bc5 Rae8 24. Bd3 Bxd3 25. Rxd3 Rf4 26. b3 e5 27. dxe6 Rxe6 28. Rhd1 b6 29. Rd8+ Kh7 30. Bd4 Bxd4 31. R8xd4 Kg6 32. Rd7 Rf2 33. R1d2 Re1+ 34. Kc2 Rxd2+ 35. Rxd2 c5 36. Rf2 g3 37. hxg3 Re3 38. g4 Rg3 39. Kd2 Rxg4 40. Ke3 Rd4 41. Rf8 Rd7 42. Re8 Kf5 43. Kf3 g4+ 44. Ke3 1-0

[Event "Oberliga NRW 9394 II"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Rademacher, Hubert"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2105"]
[PlyCount "136"]
[EventDate "1993.10.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "GER"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Ne2 Qh4 7. Nd2 Bg4 8. Nf1 Nge7 9. Ne3 h5 10. Bd2 0-0-0 11. Qb3 Rhe8 12. 0-0-0 Qf6 13. Nxg4 hxg4 14. Rdf1 Rh8 15. f4 g6 16. g3 Rh3 17. Ng1 Rh7 18. Qd1 Qe6 19. Re1 Qd7 20. Bb5 Rdh8 21. Qe2 f5 22. b3 a6 23. Bd3 Nd8 24. Kb1 Ng8 25. Qg2 Nf6 26. h4 Ne4 27. Bxe4 dxe4 28. Be3 c6 29. Ne2 Ne6 30. Rc1 Ba3 31. Rc2 Kb8 32. Rd1 Nc5 33. Qg1 Rd8 34. Bc1 Bxc1 35. Nxc1 Re7 36. Qe3 Rde8 37. Rcd2 Nd3 38. Rc2 Qd5 39. Rcd2 Qa5 40. Rc2 Nxc1 41. Rcxc1 Rd7 42. Rd2 Red8 43. Rcd1 b5 44. Kc1 Qb6 45. Qf2 b4 46. c4 a5 47. Qe3 Qa7 48. Kb1 Rd6 49. c5 Rd5 50. Rc1 Kc7 51. Rc4 Rb8 52. Rb2 Qa6 53. Re2 Qb5 54. Rec2 Ra8 55. Qe1 Rb8 56. Qe3 Kd7 57. Rc1 Ke6 58. R1c2 Rd7 59. Qd2 Kd5 60. Qe3 Ra7 61. Qe2 a4 62. Qe3 axb3 63. axb3 Rba8 64. Kc1 Ra1+ 65. Kd2 Rh1 66. Qf2 Raa1 67. Ke3 Rad1 68. Rd2 Rhe1+ 0-1

[Event "Oberliga Mittelrhein 9495"]
[Site "Mittelrhein"]
[Date "1994.??.??"]
[Round "1.8"]
[White "Schmitt, Udo"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E76"]
[BlackElo "2140"]
[PlyCount "104"]
[EventDate "1994.10.??"]
[EventType "team"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 Na6 7. e5 Nd7 8. Be2 c5 9. exd6 exd6 10. 0-0 Nf6 11. Kh1 Bf5 12. Nh4 Ne4 13. Nxf5 gxf5 14. Nxe4 fxe4 15. dxc5 dxc5 16. Qb3 Qb6 17. Qh3 f5 18. g4 Nb4 19. gxf5 Nc2 20. Rb1 Nd4 21. Bg4 Qa6 22. Qg2 Qxc4 23. Rg1 Qc2 24. Bd2 Qa4 25. Qxe4 Qc6 26. Qxc6 Nxc6 27. Bf3 Nd4 28. Bxb7 Rad8 29. Bc3 Rxf5 30. Rg4 Kf7 31. Be4 Rh5 32. Rbg1 Bf6 33. Bd3 Nf3 34. Bc4+ Ke7 35. Rg7+ Bxg7 36. Rxg7+ Kf8 37. Rg8+ Ke7 38. Rg7+ Kd6 39. Kg2 Nh4+ 40. Kf2 Ng6 41. Kg3 Rd7 42. Rg8 Re7 43. Rd8+ Kc7 44. Ba5+ Kc6 45. a4 Rg7 46. Bb5+ Kb7 47. Bc3 Ne5+ 48. Kf2 Rxh2+ 49. Kf1 Rh1+ 50. Kf2 Ng4+ 51. Kg2 Rh2+ 52. Kf3 Rg6 1-0

[Event "Oberliga Mittelrhein 9495"]
[Site "Mittelrhein"]
[Date "1994.??.??"]
[Round "4.6"]
[White "Weisshaupt, Rainer"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2125"]
[BlackElo "2140"]
[PlyCount "72"]
[EventDate "1994.10.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. Nf3 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 Qb6 13. Bg2 0-0-0 14. 0-0 c5 15. d5 b4 16. Rb1 Ne5 17. Qe2 Nd3 18. Na4 Qa6 19. dxe6 Bxg2 20. Kxg2 Qc6+ 21. f3 fxe6 22. b3 Rd4 23. Nb2 Qd5 24. h4 Rhxh4 25. gxh4 Rxh4 26. Rg1 Bd6 27. Bxh4 Nf4+ 28. Kf1 Nxe2 29. Kxe2 Qe5+ 30. Kf1 Qf5 31. Kg2 Qc2+ 32. Bf2 Qg6+ 33. Kh1 Qh5+ 34. Kg2 Qg6+ 35. Kh1 Qh5+ 36. Kg2 Qg6+ 1/2-1/2

[Event "Oberliga NRW 9394 II"]
[Site "Germany"]
[Date "1994.??.??"]
[Round "?"]
[White "Wittmann, Rainer"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2305"]
[BlackElo "2105"]
[PlyCount "35"]
[EventDate "1993.10.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "GER"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 e6 8. Nf3 Nd7 9. Nc3 b6 10. Bd3 Bb7 11. 0-0 Qe7 12. Ng5 f6 13. Qh5+ g6 14. Bxg6+ hxg6 15. Qxg6+ Kd8 16. Nf7+ Kc8 17. Nxh8 fxe5 18. Bg5 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "9"]
[White "Brem, Stephan"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "E84"]
[WhiteElo "2225"]
[PlyCount "80"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Rb1 e5 10. b4 Nh5 11. d5 Ne7 12. Nc1 f5 13. Bd3 f4 14. Ba7 Ra8 15. Bf2 g5 16. h3 Ng6 17. N1e2 Nh4 18. Rg1 Bd7 19. Qb2 Nf6 20. Kd2 c6 21. a4 b5 22. axb5 axb5 23. cxb5 cxd5 24. Nxd5 Nxd5 25. Qb3 Be6 26. Bc4 Kh8 27. Bxd5 Bxd5 28. Qxd5 Ng6 29. Ra1 Rc8 30. Ra7 Ne7 31. Qb7 Rf7 32. Qd7 Qf8 33. Rc1 Rd8 34. Qe6 d5 35. Ke1 d4 36. Rcc7 Bf6 37. Nc1 Rg7 38. Nd3 Nc8 39. Rxg7 Bxg7 40. Nxe5 Qxb4+ 1/2-1/2

[Event "Werfen op-A"]
[Site "Werfen"]
[Date "1993.??.??"]
[Round "5"]
[White "Claassen, Joerg"]
[Black "Assmann, Thomas"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2105"]
[BlackElo "2355"]
[PlyCount "134"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Bd2 dxe4 6. Nxe4 Be7 7. Bd3 Nf6 8. Ne2 Nbd7 9. N2c3 c5 10. Nxc5 Nxc5 11. dxc5 Bxc5 12. Qe2 a6 13. 0-0-0 Qc7 14. g4 Bd7 15. g5 Nh5 16. Qe4 Bc6 17. Qg4 g6 18. Ne4 Bxe4 19. Qxe4 Bd6 20. Qa4+ Ke7 21. Bc3 Rhd8 22. Qh4 Kf8 23. Kb1 Be5 24. Bb4+ Kg8 25. Rde1 Rd4 26. Re4 Rxe4 27. Qxe4 Rd8 28. Re1 Bg7 29. Qc4 Qb8 30. Be4 Rd4 31. Qc5 b6 32. Qe7 Bf8 33. Qxf8+ Qxf8 34. Bxf8 Kxf8 35. Kc1 Nf4 36. Re3 Nh3 37. Rd3 Rxd3 38. Bxd3 a5 39. Kd2 Nxg5 40. Ke3 f5 41. a3 Ke7 42. b4 axb4 43. axb4 Kd6 44. f4 Nf7 45. h4 e5 46. c4 Nd8 47. Be2 Nc6 48. fxe5+ Kxe5 49. c5 Nxb4 50. cxb6 Nd5+ 51. Kf3 Nxb6 52. Kg3 h6 53. Bb5 Nd5 54. Be8 g5 55. hxg5 hxg5 56. Bh5 Nf6 57. Bd1 Ne4+ 58. Kg2 Kf4 59. Ba4 Ke3 60. Bb3 f4 61. Bd1 Nf2 62. Ba4 g4 63. Bb5 Ne4 64. Kh1 f3 65. Bc6 g3 66. Bb5 Nc3 67. Bf1 Kf2 0-1

[Event "Werfen op-A"]
[Site "Werfen"]
[Date "1993.??.??"]
[Round "3"]
[White "Claassen, Joerg"]
[Black "Berger, Gerd Helmar"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2105"]
[BlackElo "2095"]
[PlyCount "93"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e6 7. Nc3 Qd8 8. Bd3 Nf6 9. a3 Be7 10. 0-0 0-0 11. Bc2 b6 12. Qd3 Bb7 13. Re1 g6 14. Bh6 Re8 15. Rad1 Nd5 16. Ne4 Bf6 17. Nxf6+ Qxf6 18. Ba4 Rec8 19. Bg5 Qg7 20. Qe4 Na5 21. Qe2 Rc7 22. Bb5 Rac8 23. Rc1 Rxc1 24. Rxc1 Rxc1+ 25. Bxc1 Qf8 26. h3 Qd6 27. Qe5 Qxe5 28. dxe5 Nc6 29. Bh6 Nce7 30. Bd3 f6 31. Kf1 Kf7 32. exf6 Kxf6 33. Bg5+ Kg7 34. Ke2 h6 35. Bd2 Nf5 36. g4 Nd6 37. Nd4 Nc7 38. f3 e5 39. Nc2 Ndb5 40. a4 Nd6 41. Bc3 Kf6 42. f4 Nf7 43. fxe5+ Nxe5 44. Bxg6 Nd5 45. Bf5 Nxc3+ 46. bxc3 Bc6 47. a5 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "10"]
[White "Claassen, Joerg"]
[Black "Dirr, Ulrich"]
[Result "1/2-1/2"]
[ECO "A65"]
[BlackElo "2260"]
[PlyCount "54"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 h6 7. Be3 c5 8. d5 e6 9. Qd2 exd5 10. cxd5 Kh7 11. a4 Na6 12. Nge2 Nb4 13. Nc1 Nd7 14. Nd3 f5 15. Be2 fxe4 16. fxe4 Nxd3+ 17. Bxd3 Ne5 18. Be2 a6 19. Bf2 Bg4 20. 0-0 Bxe2 21. Qxe2 Qg5 22. Bg3 h5 23. Rxf8 Rxf8 24. Rf1 Rxf1+ 25. Qxf1 Ng4 26. Qf4 Bd4+ 27. Kf1 Qxf4+ 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "6"]
[White "Claassen, Joerg"]
[Black "Ellers, Holger"]
[Result "1/2-1/2"]
[ECO "D38"]
[BlackElo "2225"]
[PlyCount "43"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 c5 7. Rc1 Qa5 8. Bxf6 Nxf6 9. Qc2 0-0 10. a3 Bxc3+ 11. Qxc3 Qxc3+ 12. Rxc3 cxd4 13. Nxd4 Bd7 14. Bd3 e5 15. Nf5 Bxf5 16. Bxf5 g6 17. Bd3 Rac8 18. 0-0 Rc7 19. Rfc1 Rfc8 20. h3 Kf8 21. Kf1 Ke7 22. Ke1 1/2-1/2

[Event "Werfen op-A"]
[Site "Werfen"]
[Date "1993.??.??"]
[Round "7"]
[White "Claassen, Joerg"]
[Black "Grimm, Sascha"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2105"]
[BlackElo "2320"]
[PlyCount "45"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bc4 Bf5 7. Bd2 e6 8. Qe2 Bb4 9. 0-0 Nbd7 10. a3 Bxc3 11. Bxc3 Qc7 12. Bd3 Bxd3 13. Qxd3 h6 14. Rfe1 0-0-0 15. b4 Nd5 16. Bd2 g5 17. c4 Nf4 18. Qe3 Ng6 19. d5 g4 20. dxc6 gxf3 21. cxd7+ Kb8 22. Qxf3 Rhg8 23. Re4 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "5"]
[White "Claassen, Joerg"]
[Black "Hart, Theo"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "57"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 0-0 8. 0-0 dxc4 9. Bxc4 e5 10. h3 Qe7 11. e4 exd4 12. Nxd4 Qe5 13. Nf3 Qh5 14. Be3 Ne5 15. Nxe5 Bxe5 16. f4 Bxc3 17. bxc3 Re8 18. Bd3 h6 19. Rae1 b6 20. Bd4 Nd7 21. e5 Nf8 22. Be4 Bd7 23. f5 Rac8 24. c4 c5 25. Bc3 Red8 26. Bd5 b5 27. e6 fxe6 28. fxe6 bxc4 29. exd7+ 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "2"]
[White "Claassen, Joerg"]
[Black "Lochte, Thomas"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "2260"]
[PlyCount "68"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bf4 Nbd7 9. Bd3 g6 10. Nf3 Bg7 11. Qe2 0-0 12. h3 Nb6 13. 0-0 Ba6 14. a4 bxa3 15. Rxa3 c4 16. Bxc4 Nxc4 17. Qxc4 Qb6 18. Rb3 Rab8 19. Nfd4 Nh5 20. Be3 Bxd4 21. Bxd4 Bxb5 22. Qc3 Nf4 23. Re1 Qa6 24. Qc7 Rb7 25. Qc1 Ne2+ 26. Rxe2 Bxe2 27. Qh6 f6 28. Rg3 Rf7 29. f4 Qc4 30. Bf2 Qxe4 31. Re3 Qb1+ 32. Kh2 Rxb2 33. Rc3 Ba6 34. Bh4 Rxg2+ 0-1

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "7"]
[White "Cooke, Eric"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "C19"]
[WhiteElo "2205"]
[PlyCount "89"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 Qc7 8. Bd3 b6 9. 0-0 Ba6 10. Bxa6 Nxa6 11. a4 Nc6 12. Qe2 Nab8 13. Ba3 Nd7 14. c4 Nxd4 15. Nxd4 cxd4 16. cxd5 Qxe5 17. Qxe5 Nxe5 18. dxe6 fxe6 19. Rfe1 Nc6 20. Rxe6+ Kd7 21. Rae1 Rhe8 22. Rxe8 Rxe8 23. Rxe8 Kxe8 24. Kf1 Kf7 25. Ke2 Ke6 26. Kd3 Kd5 27. f4 g6 28. g4 Nd8 29. f5 gxf5 30. gxf5 Nc6 31. f6 Ke6 32. Kc4 Kxf6 33. Kd5 Ne5 34. Bd6 Nd7 35. Bg3 Nc5 36. Bb8 Nxa4 37. Bxa7 Nc3+ 38. Kc4 Ke5 39. Bxb6 Ne2 40. Kd3 Nf4+ 41. Kc4 Ne6 42. Ba5 Ke4 43. Bd2 Ng7 44. Bc1 Nf5 45. Kb3 1/2-1/2

[Event "Werfen op-A"]
[Site "Werfen"]
[Date "1993.??.??"]
[Round "4"]
[White "Deixler, Roland"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "2105"]
[PlyCount "64"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 e6 6. Nc3 exd5 7. e4 d4 8. Nd5 Nxd5 9. exd5 Be7 10. Qb3 Bb7 11. Bc4 0-0 12. Nf3 d6 13. 0-0 Nd7 14. Re1 Re8 15. Bf4 Qxb6 16. Qd3 Nf6 17. Rxe7 Rxe7 18. Bg5 Bxd5 19. Bxd5 Nxd5 20. Bxe7 Nxe7 21. Qe4 Qa7 22. Re1 Ng6 23. h4 Nf8 24. Ng5 Rd8 25. Qd5 Qd7 26. Re4 h6 27. Nf3 Ng6 28. Qb3 d5 29. Re1 c4 30. Qb6 d3 31. h5 Nf4 32. Qxa6 Qg4 0-1

[Event "Werfen op-A"]
[Site "Werfen"]
[Date "1993.??.??"]
[Round "6"]
[White "Gottsmann, Herbert"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "B07"]
[BlackElo "2105"]
[PlyCount "53"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. h3 Nbd7 6. f4 Bg7 7. e5 Nd5 8. Nxd5 cxd5 9. Qd2 Nb6 10. b3 Bf5 11. Ne2 Rc8 12. Rc1 f6 13. Ng3 fxe5 14. Nxf5 gxf5 15. Bb5+ Nd7 16. dxe5 e6 17. 0-0 dxe5 18. fxe5 0-0 19. c4 a6 20. Bxd7 Qxd7 21. cxd5 Rxc1 22. Rxc1 Qxd5 23. Qxd5 exd5 24. Rc7 Rf7 25. Rc8+ Rf8 26. Rc7 Rf7 27. Rc8+ 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "1"]
[White "Hedke, Fred"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2320"]
[PlyCount "89"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. h3 0-0 7. Nf3 Re8 8. Be2 c6 9. 0-0 Be6 10. c5 Nbd7 11. Bd3 b6 12. b4 b5 13. a4 a6 14. Bf4 Bf8 15. Qc2 g6 16. Ra3 Nh5 17. Bd2 Qc7 18. Rfa1 Rab8 19. axb5 axb5 20. Ra7 Rb7 21. Rxb7 Qxb7 22. Qa2 Ng7 23. Qa7 Qc8 24. Bf4 Bf5 25. Bxf5 Nxf5 26. Qa6 Bg7 27. Qxc8 Rxc8 28. Ne2 Re8 29. Kf1 Bf6 30. Ra7 Nf8 31. Be5 Kg7 32. Bxf6+ Kxf6 33. Ne5 Ne7 34. Nc1 Ke6 35. Rc7 Ra8 36. Nxc6 Nf5 37. g4 Nh4 38. Re7+ Kf6 39. Ra7 Rc8 40. Ne5 Ne6 41. Rxf7+ Kg5 42. Ne2 Ra8 43. f4+ Kh6 44. g5+ Kh5 45. Ng3# 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "11"]
[White "Liebau, Andreas"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2225"]
[PlyCount "109"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 c5 6. Nbd2 0-0 7. Be2 Nc6 8. 0-0 cxd4 9. exd4 Re8 10. Bh2 e5 11. Nc4 e4 12. Ne1 d5 13. Nd6 Re6 14. Nxc8 Rxc8 15. c3 Qb6 16. Rb1 Na5 17. Nc2 Nc4 18. Ne3 Qa5 19. Bxc4 dxc4 20. Qe2 Nd5 21. a3 Bh6 22. Nxd5 Qxd5 23. Rbe1 Rce8 24. Kh1 f5 25. Be5 Bg7 26. Bf4 h6 27. h4 Kh7 28. Qe3 a6 29. Kg1 b5 30. Re2 a5 31. Rfe1 a4 32. Kf1 Rg8 33. Rd2 Bf6 34. Qh3 g5 35. hxg5 Bxg5 36. Bxg5 Rxg5 37. f4 Rg4 38. Rf2 Reg6 39. Re3 Qd7 40. g3 h5 41. Ke2 Rh6 42. Rh2 Qd6 43. Kd2 h4 44. Rxe4 hxg3 45. Re7+ Kg8 46. Qxh6 Qxh6 47. Rxh6 g2 48. Ra6 Rg7 49. Re1 g1Q 50. Rxg1 Rxg1 51. Rf6 Rg2+ 52. Kc1 Rg1+ 53. Kc2 Rg2+ 54. Kb1 b4 55. axb4 1-0

[Event "Werfen op-A"]
[Site "Werfen"]
[Date "1993.??.??"]
[Round "8"]
[White "Schneider, Martin"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2105"]
[PlyCount "74"]
[EventDate "1993.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 Nbd7 6. Qd2 b5 7. g4 Nb6 8. g5 Nfd7 9. f4 Bg7 10. Nf3 Nc4 11. Bxc4 bxc4 12. 0-0 Nb6 13. a4 a5 14. Nh4 h6 15. f5 hxg5 16. Bxg5 f6 17. Nxg6 fxg5 18. Nxh8 Bxh8 19. Rae1 e6 20. Qe2 Kd7 21. fxe6+ Kc7 22. Rf7+ Kb8 23. e7 Qe8 24. Qf2 Nd7 25. Rf8 Qxe7 26. Rxh8 Ra7 27. Rf1 Qg7 28. Re8 Rb7 29. d5 cxd5 30. exd5 Qg6 31. Qe2 Rxb2 32. Qe6 Qxc2 33. Qxd6+ Ka7 34. Nb5+ Rxb5 35. axb5 Qd2 36. Rxc8 Qe3+ 37. Rf2 Qe1+ 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "3"]
[White "Straub, Peter"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2170"]
[PlyCount "112"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 e5 8. Qc2 exd4 9. Nxd4 Nb6 10. Qd3 Ng4 11. f4 Qf6 12. Ndb5 c6 13. Ne4 Qd8 14. Nbxd6 Na4 15. h3 Qb6+ 16. e3 Nh6 17. Qc2 Nc5 18. Nxc5 Qxc5 19. Ne4 Qe7 20. Nf2 Nf5 21. Ne4 Re8 22. Re1 Be6 23. Bd2 b5 24. Ng5 Rac8 25. Nxe6 Qxe6 26. g4 Nd6 27. c5 Nc4 28. Rab1 Rcd8 29. Bc1 Bd4 30. Kh1 Nxe3 31. Bxe3 Bxe3 32. Rbd1 Rxd1 33. Qxd1 Qf6 34. Qd3 Qxf4 35. Qd7 Re6 36. Rf1 Bf2 37. Bxc6 Qe3 38. Bg2 Qxc5 39. Bd5 Qe3 40. Qc8+ Re8 41. Qc3 Qe2 42. Bg2 Re3 43. Qf6 Qc4 44. Qxf2 Re7 45. b3 Qc3 46. Qf6 Qe3 47. Rd1 Re8 48. Rd7 Rf8 49. Qd4 Qc1+ 50. Kh2 a5 51. Qd2 Qa3 52. Qf2 Qc1 53. Bd5 Kg7 54. Bxf7 Kh6 55. Qh4+ Kg7 56. Bd5+ Kh8 1-0

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "4"]
[White "Tomann, Daniel"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "115"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 Nf6 5. Nf3 0-0 6. d4 Nbd7 7. 0-0 e5 8. Qc2 exd4 9. Nxd4 Nb6 10. Rd1 Nxc4 11. Ncb5 a6 12. Qxc4 axb5 13. Nxb5 Bd7 14. a4 d5 15. Qb3 c6 16. Nd4 Qa5 17. Bd2 Qa6 18. Bc3 Rfe8 19. e3 Ne4 20. Bf1 Qa7 21. a5 Qb8 22. Ne2 Nxc3 23. bxc3 Qc7 24. Rdb1 Rxa5 25. Rxa5 Qxa5 26. Qxb7 Bf5 27. Qxc6 Rc8 28. Qb5 Bxc3 29. Qxa5 Bxa5 30. Rb5 Be1 31. Rxd5 Ra8 32. Rd1 Bb4 33. Nd4 Bg4 34. Rb1 Bc3 35. h3 Bd7 36. Ne2 Bd2 37. Rd1 Ra2 38. Nd4 Bc3 39. Bc4 Ra1 40. Rxa1 Bxa1 41. Kg2 Kf8 42. g4 h6 43. Kg3 Ke7 44. h4 Bc3 45. Bd5 Bb2 46. Be4 Kf6 47. Nf3 g5 48. hxg5+ hxg5 49. Bd5 Be8 50. Nd2 Ba3 51. Nc4 Bb4 52. f4 gxf4+ 53. exf4 Kg7 54. Ne3 Bd7 55. Nc4 f6 56. Nb6 Bb5 57. Be6 Bc5 58. Nd5 1/2-1/2

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1992.??.??"]
[Round "8"]
[White "Brancaleoni, Maurizio"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "69"]
[EventDate "1992.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. Bg5 a6 10. h4 h6 11. Be3 Kh7 12. g4 Ng8 13. g5 Qe8 14. h5 f5 15. hxg6+ Qxg6 16. exf5 Bxf5 17. Qd2 b6 18. 0-0-0 Qd6 19. Rdg1 e6 20. Bd3 Qe7 21. g6+ Kh8 22. Bxh6 Nxh6 23. Rxh6+ Bxh6 24. Qxh6+ Kg8 25. g7 Rfd8 26. Bxf5 exf5 27. Qh8+ Kf7 28. Qh5+ Kg8 29. Qxf5 Qf7 30. Qh3 Qf6 31. Ne4 Qf4+ 32. Kd1 Re8 33. Qh8+ Kf7 34. g8Q+ Rxg8 35. Qh7+ 1-0

[Event "Giessen op"]
[Site "Giessen"]
[Date "1992.??.??"]
[Round "?"]
[White "Claassen, Joerg"]
[Black "Boehme, Erich"]
[Result "1-0"]
[ECO "E18"]
[PlyCount "77"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. g3 d5 4. Bg2 b6 5. Nf3 Be7 6. Nc3 Bb7 7. 0-0 0-0 8. Ne5 c5 9. dxc5 bxc5 10. Qa4 Qb6 11. cxd5 exd5 12. Rd1 d4 13. Nc4 Qc7 14. Bf4 Qc8 15. Bxb7 Qxb7 16. Qb5 Qc8 17. Nb1 Nd5 18. Bd6 Bxd6 19. Nxd6 Qc6 20. Qxc6 Nxc6 21. Nd2 Rfd8 22. N2c4 Nb6 23. Rac1 f6 24. Nb7 Rd5 25. Ncd6 Na4 26. b3 Nc3 27. Rxc3 dxc3 28. Rxd5 c4 29. Rd1 c2 30. Rc1 Nd4 31. Kf1 cxb3 32. axb3 a5 33. e3 Nxb3 34. Rxc2 a4 35. Nb5 a3 36. Ra2 Nd2+ 37. Ke2 Nc4 38. N7d6 Nxd6 39. Nxd6 1-0

[Event "Giessen op"]
[Site "Giessen"]
[Date "1992.??.??"]
[Round "?"]
[White "Claassen, Joerg"]
[Black "Bouaraba, Max"]
[Result "1/2-1/2"]
[ECO "E86"]
[PlyCount "63"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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 Bg7 4. e4 0-0 5. Be3 d6 6. f3 e5 7. Nge2 Nbd7 8. Qd2 c6 9. Rd1 a6 10. d5 cxd5 11. Nxd5 Nxd5 12. Qxd5 Nb6 13. Qd3 Bh6 14. Nc3 Nxc4 15. Bxh6 Nxb2 16. Qd2 Nxd1 17. Nxd1 Re8 18. Bg5 f6 19. Bc4+ Kh8 20. Be3 Qc7 21. Bb3 Be6 22. Bxe6 Rxe6 23. Nc3 f5 24. Nd5 Qf7 25. 0-0 f4 26. Bb6 Rc8 27. Rc1 Rc6 28. Rxc6 bxc6 29. Nc7 Rf6 30. Nxa6 Qc4 31. Bd8 Rf7 32. Qxd6 1/2-1/2

[Event "Giessen op"]
[Site "Giessen"]
[Date "1992.??.??"]
[Round "?"]
[White "Claassen, Joerg"]
[Black "Drill, Frank J"]
[Result "1-0"]
[ECO "E19"]
[BlackElo "2220"]
[PlyCount "79"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. a3 Bb7 4. Nc3 f5 5. Nf3 a5 6. g3 Nf6 7. Bg2 Ne4 8. 0-0 Be7 9. Qc2 Nxc3 10. Qxc3 0-0 11. b3 d6 12. h4 h6 13. Be3 Nd7 14. Rfd1 Be4 15. Ne1 Bxg2 16. Nxg2 g5 17. c5 Nf6 18. cxd6 cxd6 19. Rac1 Nd5 20. Qc4 Qd7 21. hxg5 hxg5 22. Qc6 Qa7 23. Bd2 Qa6 24. Ne3 Nf6 25. Qc4 Qxc4 26. Rxc4 Ne4 27. Rc7 Rf7 28. d5 Bf6 29. Rc6 Bd4 30. Be1 Bc5 31. dxe6 Rf6 32. Nd5 Rxe6 33. b4 axb4 34. axb4 Nxg3 35. bxc5 Nxe2+ 36. Kf1 Nd4 37. Rxd4 Ra1 38. Ne3 Rxe1+ 39. Kxe1 bxc5 40. Rdxd6 1-0

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1992.??.??"]
[Round "4"]
[White "Claassen, Joerg"]
[Black "Heigl, Rudolf"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2225"]
[PlyCount "130"]
[EventDate "1992.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f4 Ng4 6. Qd2 c6 7. Nf3 Nxe3 8. Qxe3 b5 9. a3 Qb6 10. Qd2 0-0 11. 0-0-0 a5 12. e5 b4 13. Na4 Qb7 14. h3 Bd7 15. b3 bxa3 16. Qc3 Qb4 17. Kb1 c5 18. dxc5 Bxa4 19. Qxb4 axb4 20. bxa4 dxc5 21. Bb5 Rc8 22. Ka2 Nc6 23. Rd5 Na5 24. Rhd1 Bf8 25. Nd2 e6 26. Rd7 c4 27. Ne4 b3+ 28. Kb1 c3 29. Bd3 Rab8 30. Ka1 bxc2 31. Bxc2 Rb2 32. Rc1 Rb7 33. Rd3 Rbc7 34. Nd6 Bxd6 35. Rxd6 Rc4 36. g3 Nb7 37. Rb6 Nc5 38. Ka2 Nxa4 39. Bxa4 Rxa4 40. Rb3 c2 41. h4 h5 42. Rd3 Rac4 43. Rxa3 Rc3 44. Rb3 R3c4 45. Kb2 Kg7 46. Rb7 Re4 47. Rb3 Re2 48. Rb7 Rg2 49. Rb3 Rc7 50. Re3 Rc5 51. Kb3 Kf8 52. Kb2 Ke7 53. Ra3 Rc7 54. Rb3 f6 55. Re3 fxe5 56. fxe5 Rc5 57. Kb3 Kd7 58. Rd3+ Kc7 59. Rf3 Kc6 60. Rf6 Rxg3+ 61. Kb2 Kd5 62. Rf2 Rg4 63. Rcxc2 Rxc2+ 64. Kxc2 Rxh4 65. Re2 g5 0-1

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1992.??.??"]
[Round "1"]
[White "Claassen, Joerg"]
[Black "Jansa, Vlastimil"]
[Result "1/2-1/2"]
[ECO "B82"]
[BlackElo "2460"]
[PlyCount "99"]
[EventDate "1992.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nb3 Be7 7. Nc3 a6 8. a3 b5 9. 0-0 Bb7 10. f4 d6 11. Be3 0-0 12. Qe2 Qc7 13. Rad1 b4 14. Na4 bxa3 15. bxa3 Nd7 16. Qf2 Bd8 17. Rb1 Ne7 18. Nd2 d5 19. e5 Qc6 20. Nc5 Nxc5 21. Bxc5 Rc8 22. Bd6 Re8 23. Qa7 Ba8 24. Bxa6 d4 25. Nf3 Qa4 26. Rb4 Qxa3 27. Rb3 Qa2 28. Ra3 Qxc2 29. Bxc8 Bxf3 30. Raxf3 Nxc8 31. Qd7 Nxd6 32. Qxd6 Be7 33. Qd7 Qc8 34. Qxc8 Rxc8 35. Rd3 h5 36. Kf2 Rc2+ 37. Kf3 Bc5 38. Rf2 Rc1 39. Re2 g6 40. Ke4 Kg7 41. Rdd2 Rc3 42. Rd3 Rc4 43. Rb2 Rc1 44. h3 Re1+ 45. Kf3 Rf1+ 46. Rf2 Rc1 47. g4 hxg4+ 48. hxg4 Rb1 49. g5 Bb4 50. Rc2 1/2-1/2

[Event "Porz op 28th"]
[Site "Cologne"]
[Date "1992.??.??"]
[Round "4"]
[White "Claassen, Joerg"]
[Black "Kistella, Roman"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "58"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nh5 10. Nge2 f5 11. 0-0-0 a6 12. Kb1 Nd7 13. Nc1 Ndf6 14. exf5 gxf5 15. Bd3 Bd7 16. N1e2 b5 17. Bc2 Rc8 18. Rc1 Kh8 19. h3 b4 20. Na4 Rxc2 21. Qxc2 Nxd5 22. Bf2 Qa5 23. b3 Nhf4 24. Be1 Bb5 25. Nxf4 exf4 26. a3 Bxa4 27. bxa4 Rb8 28. Ka2 Bc3 29. Bf2 b3+ 0-1

[Event "Giessen op"]
[Site "Giessen"]
[Date "1992.??.??"]
[Round "?"]
[White "Claassen, Joerg"]
[Black "Kohlmeyer, Klaus"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "41"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. g3 d5 4. Bg2 c6 5. Nf3 Bd6 6. 0-0 Nbd7 7. Nc3 0-0 8. b3 Re8 9. Bb2 dxc4 10. bxc4 e5 11. e3 Qc7 12. Rc1 Qa5 13. Qc2 Ba3 14. Bxa3 Qxa3 15. Rfd1 exd4 16. exd4 Nb6 17. Ne5 Be6 18. Ne4 Ng4 19. Ng5 g6 20. Nxe6 Ne3 21. fxe3 1-0

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1992.??.??"]
[Round "7"]
[White "Claassen, Joerg"]
[Black "Missbach, Bernd"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "93"]
[EventDate "1992.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. f4 Bg7 4. c3 Nf6 5. Bd3 0-0 6. Nf3 c5 7. Be3 b6 8. 0-0 Bb7 9. d5 Qc7 10. Nbd2 Ng4 11. Qe2 Nxe3 12. Qxe3 Nd7 13. Rab1 a6 14. Kh1 b5 15. Rfc1 c4 16. Bc2 e6 17. dxe6 fxe6 18. Ng5 Rae8 19. Qh3 Nf6 20. Nxe6 Qd7 21. Nxf8 Qxh3 22. gxh3 Kxf8 23. Re1 Bh6 24. Rf1 Nxe4 25. Nxe4 Rxe4 26. Bxe4 Bxe4+ 27. Kg1 Bxb1 28. Rxb1 Bxf4 29. Rf1 g5 30. h4 Ke7 31. hxg5 Bxg5 32. Kg2 Bf6 33. Rf2 d5 34. a3 d4 35. cxd4 Bxd4 36. Rc2 Ke6 37. Kf3 Kd5 38. Rd2 a5 39. h3 b4 40. axb4 axb4 41. Kf4 Kc5 42. Ke4 Bxb2 43. Rxb2 c3 44. Rg2 Kc4 45. Rg7 c2 46. Rc7+ Kb3 47. Kd3 1-0

[Event "Porz op 28th"]
[Site "Cologne"]
[Date "1992.??.??"]
[Round "3"]
[White "Claassen, Joerg"]
[Black "Schebler, Gerhard"]
[Result "1/2-1/2"]
[ECO "A41"]
[BlackElo "2295"]
[PlyCount "115"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 c6 6. Nf3 f6 7. e4 Be6 8. Be3 Nd7 9. 0-0-0 Kc7 10. Be2 g6 11. Kb1 Bh6 12. Bxh6 Nxh6 13. Rc1 Rad8 14. Rhd1 Nf7 15. b4 b6 16. Nd2 f5 17. b5 Nc5 18. bxc6 Kxc6 19. f3 Nd6 20. Nb3 fxe4 21. Nxc5 bxc5 22. Nxe4 Nxe4 23. fxe4 Rhf8 24. Rxd8 Rxd8 25. Kc2 Rd4 26. Kc3 Rd8 27. Rb1 Rf8 28. Bf3 g5 29. Rf1 Bg4 30. h3 Be6 31. Be2 Rf4 32. g3 Rxf1 33. Bxf1 Kb6 34. g4 Ka5 35. Kb3 Bd7 36. Be2 Ba4+ 37. Kc3 Bc6 38. Bd3 Ka4 39. Kb2 Kb4 40. a3+ Ka5 41. Bc2 Kb6 42. Kc3 Kc7 43. Kd3 Kd6 44. Kd2 Ke6 45. Ke3 Kf6 46. Kd3 h5 47. Bd1 hxg4 48. hxg4 Bd7 49. Kc3 Ke7 50. Kd3 Bc6 51. Bc2 Kd6 52. Kc3 Kc7 53. Kb2 Kb6 54. Kc3 Ka5 55. Kb2 Bd7 56. Bd1 Be8 57. Kc3 Bf7 58. Bc2 1/2-1/2

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1992.??.??"]
[Round "9"]
[White "Claassen, Joerg"]
[Black "Zedek, Alois"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2265"]
[PlyCount "62"]
[EventDate "1992.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 Nf6 6. Bg5 d6 7. N1c3 a6 8. Na3 Be6 9. Nd5 Bxd5 10. exd5 Qa5+ 11. c3 Qxd5 12. Bxf6 Qxd1+ 13. Rxd1 gxf6 14. Nc4 Rd8 15. Nb6 e4 16. Bc4 Ne5 17. Bd5 f5 18. 0-0 Bh6 19. f4 exf3 20. Bxf3 Be3+ 21. Kh1 Bxb6 22. Bxb7 a5 23. Rxf5 Ke7 24. Bd5 Rdg8 25. Re1 Rg7 26. g4 f6 27. h3 Rg5 28. Rf4 h5 29. Ref1 hxg4 30. Rxf6 Rxh3+ 31. Kg2 Rd3 0-1

[Event "Porz op 28th"]
[Site "Cologne"]
[Date "1992.??.??"]
[Round "6"]
[White "Czech, Ludwig"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "2265"]
[PlyCount "120"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 0-0 6. Nge2 e5 7. 0-0 a5 8. d3 Be6 9. h3 Qd7 10. Kh2 Na6 11. f4 c6 12. g4 exf4 13. Bxf4 Nc7 14. b3 b5 15. Rc1 b4 16. Na4 Qe7 17. d4 Bd7 18. c5 Nxe4 19. Bxe4 Qxe4 20. Ng3 Qxd4 21. Qxd4 Bxd4 22. Bxd6 Nd5 23. Bxf8 Rxf8 24. Rcd1 Be5 25. Rfe1 Bc7 26. Nb6 Be6 27. Nxd5 cxd5 28. Kg2 Ra8 29. Ne2 Kf8 30. Nd4 Ke7 31. Re2 Kd7 32. Rf1 Re8 33. Rfe1 Bd8 34. Rf1 Bc7 35. Rc1 Bf4 36. Rcc2 Bg5 37. c6+ Kc7 38. Nb5+ Kb6 39. Nd6 Re7 40. Kg3 Rc7 41. Ne8 Rxc6 42. Rxc6+ Kxc6 43. Rc2+ Kd7 44. Nc7 Bf6 45. Nxe6 fxe6 46. Rc5 Bd8 47. Kf3 Bb6 48. Rc1 e5 49. h4 e4+ 50. Kf4 Bc7+ 51. Ke3 Bb6+ 52. Ke2 d4 53. Rf1 Ke6 54. g5 d3+ 55. Kd2 Bd4 56. Rf8 Ke5 57. Rf7 Bc3+ 58. Ke3 Bd4+ 59. Kd2 Bc3+ 60. Ke3 Bd4+ 1/2-1/2

[Event "Giessen op"]
[Site "Giessen"]
[Date "1992.??.??"]
[Round "?"]
[White "Frank, Thorsten"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "75"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 0-0 8. Bd3 Nd7 9. h4 f5 10. Qg3 Qa5 11. Bd2 Nb6 12. h5 Nc4 13. h6 g6 14. Bxc4 dxc4 15. Ne2 Nd5 16. 0-0 Bd7 17. Nf4 Nxf4 18. Bxf4 Ba4 19. d5 Bxc2 20. d6 Bd3 21. Rfc1 Qd8 22. Bg5 Qd7 23. Be7 Rf7 24. Qg5 Re8 25. Bf6 Qc6 26. f3 b5 27. Ra2 a5 28. Rb2 Rb8 29. Qd2 b4 30. Be7 Rb7 31. Ra2 b3 32. Rb2 f4 33. Bg5 Rf5 34. Bxf4 Rbf7 35. Bh2 Kf8 36. Qe3 g5 37. Bg3 Qd5 38. Re1 1/2-1/2

[Event "Giessen op"]
[Site "Giessen"]
[Date "1992.??.??"]
[Round "?"]
[White "Liebergesell, Andreas"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "A53"]
[PlyCount "56"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Bg4 4. Nc3 Nbd7 5. e4 e5 6. Be3 Be7 7. d5 Nc5 8. Qc2 a5 9. Bxc5 Bxf3 10. Be3 Bg4 11. Bd3 0-0 12. 0-0 Bd7 13. f3 Nh5 14. g3 Bg5 15. Bf2 b6 16. Qd1 g6 17. Bc2 Bh6 18. Re1 Qf6 19. a3 Ng7 20. Qd3 Qe7 21. b4 f5 22. c5 fxe4 23. Nxe4 Bf5 24. cxb6 cxb6 25. Bxb6 axb4 26. axb4 Qb7 27. Be3 Bxe3+ 28. Qxe3 Qxb4 1/2-1/2

[Event "Giessen op"]
[Site "Giessen"]
[Date "1992.??.??"]
[Round "?"]
[White "Majer, Damir"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2270"]
[PlyCount "47"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 Bg4 4. Bg2 c6 5. 0-0 Nbd7 6. Nbd2 e6 7. h3 Bh5 8. e4 d5 9. e5 Ne4 10. Qe2 Nxd2 11. Bxd2 c5 12. c4 Nb6 13. cxd5 Nxd5 14. dxc5 Qd7 15. b4 Be7 16. Rfc1 0-0 17. g4 Bg6 18. Nd4 Rac8 19. Nb5 a5 20. a3 f6 21. Nd6 Ra8 22. Bxd5 exd5 23. e6 Qd8 24. Bf4 1-0

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1992.??.??"]
[Round "2"]
[White "Tiefenbach, Wilfried"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "93"]
[EventDate "1992.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c5 5. e4 Nc6 6. Nge2 d6 7. 0-0 0-0 8. d3 a6 9. h3 Rb8 10. f4 e6 11. Be3 Nd7 12. Qd2 f5 13. Rad1 Qc7 14. d4 Na5 15. b3 b6 16. dxc5 dxc5 17. e5 Nb7 18. Kh2 Rd8 19. Qc2 Kf7 20. Ng1 Bf8 21. Nf3 h6 22. Rd3 Be7 23. Rfd1 Nf8 24. Bf2 Bd7 25. Nd5 exd5 26. cxd5 Be6 27. dxe6+ Nxe6 28. Ne1 Rxd3 29. Rxd3 Qc8 30. Bd5 Nbd8 31. g4 Kf8 32. Ng2 Nc6 33. a3 Ned4 34. Qd1 Kg7 35. Ne3 Qe8 36. gxf5 gxf5 37. Bxc6 Qxc6 38. Rxd4 cxd4 39. Nxf5+ Kf8 40. Qg4 Rb7 41. Nxd4 Qd5 42. Qg6 Bxa3 43. Ne6+ Ke7 44. Bh4+ Kd7 45. Qf7+ Kc6 46. Nd8+ Kc5 47. Bf2+ 1-0

[Event "Porz op 26th"]
[Site "Cologne"]
[Date "1991.??.??"]
[Round "5"]
[White "Claassen, Joerg"]
[Black "Bode, Wilfried"]
[Result "0-1"]
[ECO "D17"]
[BlackElo "2320"]
[PlyCount "40"]
[EventDate "1991.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Rc1 f6 12. Bg2 Be6 13. Nxe5 fxe5 14. Bg5 Nc5 15. Qc2 Nb3 16. Rd1 Nd4 17. Qd3 h6 18. Be3 0-0-0 19. Qg6 Bf5 20. Qh5 g6 0-1

[Event "Porz op 27th"]
[Site "Cologne"]
[Date "1991.??.??"]
[Round "3"]
[White "Claassen, Joerg"]
[Black "Chuchelov, Vladimir"]
[Result "0-1"]
[ECO "E46"]
[BlackElo "2420"]
[PlyCount "78"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Bd3 Re8 10. 0-0 Nbd7 11. Bd2 Nf8 12. Be1 Bd6 13. Nce2 Ng6 14. Qc2 Qc7 15. Nxg6 hxg6 16. Ng3 Qe7 17. Qa4 Bd7 18. Qb3 a5 19. Bd2 g5 20. Rfe1 g6 21. e4 Bxg3 22. hxg3 Nxe4 23. Qc2 f5 24. f3 Qf6 25. fxe4 fxe4 26. Bf1 Re7 27. Qc1 Rf8 28. Re2 Rh7 29. Bxg5 Qh8 30. Bh4 Rh5 31. Qc5 g5 32. Qd6 Qxd4+ 33. Kh1 Qg7 34. Rxe4 dxe4 35. Bc4+ Kh8 36. Rd1 Bg4 37. Rd4 gxh4 38. Rxe4 hxg3+ 39. Kg1 Rh1+ 0-1

[Event "Porz op 27th"]
[Site "Cologne"]
[Date "1991.??.??"]
[Round "7"]
[White "Claassen, Joerg"]
[Black "Putjatina, Nadezhda"]
[Result "1/2-1/2"]
[ECO "D24"]
[BlackElo "2135"]
[PlyCount "72"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. a4 Nc6 6. e3 Na5 7. Ne5 Be6 8. e4 Nb3 9. d5 Nxa1 10. dxe6 Qxd1+ 11. Kxd1 0-0-0+ 12. Ke2 Nb3 13. Be3 Rg8 14. Nxf7 Re8 15. h3 g6 16. g4 h5 17. g5 Nh7 18. h4 Bg7 19. e5 Nf8 20. Bh3 Na5 21. Nd5 Nc6 22. f4 Kb8 23. Rd1 b6 24. Kf3 Kb7 25. Ke4 Bh8 26. Bf2 b5 27. Bc5 Nd8 28. Bxe7 Ndxe6 29. Nh6 Rg7 30. Bxf8 Nxf8 31. Nf6 Rb8 32. f5 bxa4 33. fxg6 Nxg6 34. Nf5 Rf7 35. e6 Rxf6 36. gxf6 Bxf6 1/2-1/2

[Event "Porz op 26th"]
[Site "Cologne"]
[Date "1991.??.??"]
[Round "2"]
[White "Ostermeyer, Peter"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2405"]
[PlyCount "37"]
[EventDate "1991.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 b4 12. N1h2 Ba6 13. h5 a4 14. h6 g6 15. Ng4 Nd4 16. c3 bxc3 17. bxc3 Nxf3+ 18. Bxf3 Rb8 19. Bf4 1/2-1/2

[Event "Porz op 26th"]
[Site "Cologne"]
[Date "1991.??.??"]
[Round "4"]
[White "Rohde, Ulrich"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2315"]
[PlyCount "28"]
[EventDate "1991.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. Qa4+ Nc6 6. Ne5 Nxc3 7. dxc3 Qd5 8. Nxc6 Qxc6 9. Qxc6+ bxc6 10. Bf4 Bg7 11. Bxc7 Be6 12. e4 a5 13. a4 0-0 14. Be2 Ra7 1/2-1/2

[Event "Porz op 24th"]
[Site "Cologne"]
[Date "1990.??.??"]
[Round "7"]
[White "Abend, Peter"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "33"]
[EventDate "1990.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. f4 e6 5. Nf3 Nf6 6. Nc3 a6 7. Be2 Be7 8. d4 cxd4 9. Nxd4 Qc7 10. Qd2 0-0 11. 0-0-0 Bd7 12. Bf3 Rac8 13. Kb1 b5 14. g4 Nxd4 15. Qxd4 Bc6 16. g5 Nd7 17. Nd5 1-0

[Event "Porz op 24th"]
[Site "Cologne"]
[Date "1990.??.??"]
[Round "2"]
[White "Claassen, Joerg"]
[Black "Rechmann, Peter"]
[Result "0-1"]
[ECO "E32"]
[BlackElo "2355"]
[PlyCount "34"]
[EventDate "1990.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 Qe8 7. f3 d6 8. Bg5 Nfd7 9. e3 e5 10. d5 f5 11. 0-0-0 a5 12. Nh3 Nc5 13. Bh4 Bd7 14. Rg1 Nba6 15. g4 fxg4 16. fxg4 Ba4 17. Re1 Ne4 0-1

[Event "Porz op 24th"]
[Site "Cologne"]
[Date "1990.??.??"]
[Round "5"]
[White "Lingnau, Carsten"]
[Black "Claassen, Joerg"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2230"]
[PlyCount "67"]
[EventDate "1990.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. Nc3 Be7 7. Re1 d6 8. e4 Nbd7 9. d4 cxd4 10. Nxd4 a6 11. e5 dxe5 12. Nxe6 fxe6 13. Bxb7 Ra7 14. Bg2 0-0 15. Bh3 Kh8 16. Bxe6 Bc5 17. Be3 Qe8 18. Bh3 e4 19. Bg2 Qg6 20. h3 Re8 21. Nd5 Nxd5 22. Qxd5 Bxe3 23. Rxe3 Nc5 24. Qd2 Rd7 25. Qe2 Rd4 26. Rd1 Rxd1+ 27. Qxd1 a5 28. Qd4 h6 29. b3 Re7 30. Qd5 Qe8 31. Qf5 Rf7 32. Qg6 Qf8 33. Rxe4 Rf6 34. Re8 1-0

[Event "Porz op 24th"]
[Site "Cologne"]
[Date "1990.??.??"]
[Round "9"]
[White "Pinnel, Peter"]
[Black "Claassen, Joerg"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2215"]
[PlyCount "80"]
[EventDate "1990.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. Bb5 Qc7 5. 0-0 Bg7 6. Bxc6 Qxc6 7. d3 d6 8. Nbd2 e6 9. Rb1 Ne7 10. b3 Nd5 11. Ne4 f5 12. c4 fxe4 13. cxd5 exd5 14. dxe4 dxe4 15. Nd2 Be6 16. Qc2 0-0-0 17. Bb2 Bxb2 18. Rxb2 Rhe8 19. Rc1 Kb8 20. b4 c4 21. Qc3 d5 22. Nf1 Ka8 23. Rd2 Qc7 24. Ng3 h6 25. Ne2 g5 26. fxg5 hxg5 27. Nd4 Rh8 28. g3 Bg4 29. Rf1 Qg7 30. Rdf2 Bf3 31. Qa3 g4 32. Ne6 Qe5 33. Nf4 d4 34. b5 dxe3 35. Qxe3 Rd3 36. Qe1 Qd4 37. Nxd3 cxd3 38. Qa1 Qxa1 39. Rxa1 e3 40. Rb2 d2 0-1

[Event "Porz op 23rd"]
[Site "Cologne"]
[Date "1989.??.??"]
[Round "5"]
[White "Claassen, Joerg"]
[Black "Preuschoff, Michael"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "71"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 a5 5. g3 d6 6. Nc3 0-0 7. Qc2 Re8 8. a3 Bxc3 9. Bxc3 Nc6 10. Bh3 d5 11. b3 a4 12. 0-0 axb3 13. Qxb3 b6 14. Rfc1 Ba6 15. cxd5 exd5 16. e3 Ne4 17. Nd2 Nxd2 18. Bxd2 Bc4 19. Qc2 Na5 20. Bxa5 Rxa5 21. a4 g6 22. Bg2 Qf6 23. Bf1 Bxf1 24. Kxf1 Rxe3 25. Qxc7 Rf3 26. Ra2 Qxd4 27. Qd8+ Kg7 28. Rc8 Kh6 29. h3 Rxa4 30. Qf8+ Kh5 31. g4+ Kg5 32. Qe7+ f6 33. h4+ Kxg4 34. Qd7+ Kxh4 35. Rxa4 Rxf2+ 36. Ke1 1-0

[Event "Porz op 23rd"]
[Site "Cologne"]
[Date "1989.??.??"]
[Round "6"]
[White "Claassen, Joerg"]
[Black "Schrepp, Martin"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "81"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 d6 11. Be2 0-0 12. 0-0 b6 13. b4 Bb7 14. Qc3 Nd7 15. Rfe1 f5 16. Bg3 Kh8 17. Rac1 a5 18. c5 dxc5 19. bxa5 Rxa5 20. Bxc7 Rfa8 21. Red1 Rxa3 22. Qd2 Bc6 23. Bf3 Bxf3 24. gxf3 Nf6 25. Bxb6 Qb7 26. Bd8 Qxf3 27. Qd6 Ra2 28. Qf4 Qxf4 29. exf4 Ne4 30. Bh4 h6 31. f3 Nd2 32. Bf2 Nxf3+ 33. Kg2 Nh4+ 34. Kg3 g5 35. Bxc5 Rg2+ 36. Kh3 Raa2 37. fxg5 hxg5 38. Bd6 Nf3 39. Be5+ Nxe5 40. Rd8+ Kg7 41. Rc7+ 0-1

[Event "Porz op 23rd"]
[Site "Cologne"]
[Date "1989.??.??"]
[Round "4"]
[White "Szypulski, Andrzej"]
[Black "Claassen, Joerg"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2390"]
[PlyCount "52"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 e6 13. f4 Bg7 14. c4 exd5 15. cxd5 Bd4 16. Bb2 Qb6 17. Bd3 c4 18. Bxd4 Qxd4 19. Bc2 Qc5 20. h3 Re8 21. Kf1 Bd7 22. Qf2 Qa3 23. g4 Qxa2 24. e5 c3 25. Be4 Qc4+ 26. Qe2 Rac8 1/2-1/2

