[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.04.20"]
[Round "9"]
[White "Marienfeld, Udo"]
[Black "Collisy, Klaus Dieter"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "1220"]
[BlackElo "1190"]
[PlyCount "61"]
[EventDate "2006.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 a6 5. Ba4 b5 6. Bb3 Ng6 7. d4 Be7 8. dxe5 0-0 9. Nc3 Ncxe5 10. Nxe5 Nxe5 11. Qd5 Nc6 12. Be3 Bb7 13. Qd2 Re8 14. Rad1 d6 15. a3 h6 16. Bxh6 gxh6 17. Qxh6 Rf8 18. Qg6+ Kh8 19. Bxf7 Rxf7 20. Qxf7 Ne5 21. Qh5+ Kg8 22. f4 Nc4 23. Rf3 Bf8 24. Qg6+ Bg7 25. Rg3 Qe7 26. Nd5 Bxd5 27. Rxd5 Rf8 28. Rdg5 Rf7 29. h4 Nd2 30. e5 dxe5 31. Rxe5 1/2-1/2

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.04.06"]
[Round "8"]
[White "Dahlmann, Wolfgang"]
[Black "Marienfeld, Udo"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "899"]
[BlackElo "1220"]
[PlyCount "54"]
[EventDate "2006.01.19"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Bb4 6. Bd2 Nbd7 7. cxd5 cxd5 8. Bd3 0-0 9. Qa4 Qa5 10. a3 Bxc3 11. Qxa5 Bxa5 12. Bxa5 b6 13. Bb4 Re8 14. 0-0 a6 15. Rac1 e5 16. dxe5 Nxe5 17. Nxe5 Rxe5 18. Rc6 Rb8 19. Rfc1 Re8 20. Bd6 Bd7 21. Rc7 a5 22. f3 Rbc8 23. e4 Rxc7 24. Rxc7 Rc8 25. exd5 Rxc7 26. Bxc7 Nxd5 27. Be4 Nxc7 0-1

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.04.03"]
[Round "7"]
[White "Skalweit, Wolfgang"]
[Black "Marienfeld, Udo"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1315"]
[BlackElo "1220"]
[PlyCount "85"]
[EventDate "2006.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 0-0 6. Nc3 e6 7. Be2 Nbd7 8. 0-0 a6 9. Qe1 b5 10. d3 Bb7 11. Qh4 h6 12. Nd1 Nh7 13. Qh3 Bxb2 14. Nxb2 Kg7 15. d4 Qf6 16. Nd3 Qf5 17. Qg3 Rad8 18. Rac1 Qe4 19. Nfe5 Qf5 20. Nxd7 Rxd7 21. Ne5 Re7 22. Bd3 Qh5 23. f5 Qg5 24. Qxg5 hxg5 25. fxg6 fxg6 26. Nxg6 Rxf1+ 27. Rxf1 Rf7 28. Rxf7+ Kxf7 29. Ne5+ Kg7 30. Bxh7 Kxh7 31. g4 Kg7 32. b4 Kf6 33. Kf2 Ba8 34. Kg3 Bb7 35. h4 gxh4+ 36. Kxh4 Bc8 37. Kh5 Kg7 38. Kg5 Bb7 39. Ng6 Bc6 40. Ne5 Bb7 41. Nd7 Bc6 42. Nc5 Be8 43. Nxe6+ 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.21"]
[Round "8.32"]
[White "Dedeck, Silvia"]
[Black "Marienfeld, Udo"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "984"]
[BlackElo "1220"]
[PlyCount "66"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Bf4 dxc4 5. e3 b5 6. a4 Bb4 7. axb5 cxb5 8. Nge2 Nf6 9. Qc2 Bb7 10. f3 Nbd7 11. Rd1 Nd5 12. Ng3 Nxf4 13. exf4 Nf6 14. Be2 Nd5 15. Qd2 Qf6 16. 0-0 Qxf4 17. Qxf4 Nxf4 18. Nxb5 Nxe2+ 19. Nxe2 0-0 20. Nf4 a6 21. Nd6 Bxd6 22. Ne2 Rfd8 23. Nc3 Rd7 24. d5 exd5 25. Nxd5 Bxd5 26. Rxd5 Rad8 27. Ra1 Rc8 28. Rxa6 Rcd8 29. Rc6 Bxh2+ 30. Kxh2 Rxd5 31. Rxc4 Rb5 32. b4 g6 33. g4 Rdb8 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.20"]
[Round "7.31"]
[White "Marienfeld, Udo"]
[Black "Sroka, Andreas"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1220"]
[BlackElo "1342"]
[PlyCount "46"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Bc4 Nf6 6. Bg5 Qa5+ 7. Bd2 Qe5 8. Nxc6 Qxe4+ 9. Qe2 Qxg2 10. Rf1 Qxc6 11. Nc3 a6 12. 0-0-0 b5 13. Bd3 Bb7 14. Bf4 Rc8 15. a3 Bxa3 16. Nxb5 Bxb2+ 17. Kxb2 axb5 18. Bxb5 Qc3+ 19. Kc1 Qa1+ 20. Kd2 Qd4+ 21. Ke1 Qxf4 22. Rxd7 Nxd7 23. Qd3 Qe4+ 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.16"]
[Round "6.34"]
[White "Kolatznik, Wolfgang"]
[Black "Marienfeld, Udo"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1220"]
[PlyCount "124"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. Bc4 e6 5. d4 Nf6 6. Nbd2 cxd4 7. cxd4 d5 8. exd5 exd5 9. Bb3 Bg4 10. 0-0 Nxd4 11. Qe1+ Be7 12. Nxd4 0-0 13. N2f3 Re8 14. Bg5 h6 15. Bxf6 Bxf6 16. Qd2 Re4 17. Rfe1 Bxf3 18. Nxf3 Rxe1+ 19. Rxe1 b6 20. Qxd5 Qxd5 21. Bxd5 Rd8 22. Rd1 Kf8 23. h3 Bxb2 24. Ne1 Bc3 25. Nc2 Be5 26. Ne3 Bf4 27. g3 Bg5 28. h4 Bf6 29. Rc1 Bd4 30. Bb7 Rd7 31. Bc6 Bxe3 32. fxe3 Rc7 33. e4 Ke7 34. e5 f6 35. e6 Kxe6 36. Re1+ Kd6 37. Bf3 Rc2 38. Rd1+ Ke7 39. Bd5 Rc5 40. Re1+ Kd6 41. Bf7 Re5 42. Rd1+ Ke7 43. Bg6 Re3 44. Kf2 Rc3 45. Re1+ Kd6 46. Bf5 Rc5 47. Re6+ Kc7 48. Kf3 Rxf5+ 49. Kg4 Re5 50. Rxe5 fxe5 51. Kf5 Kd6 52. g4 Kd5 53. g5 hxg5 54. hxg5 e4 55. Kg6 e3 56. Kxg7 e2 57. g6 e1Q 58. Kh7 Qh4+ 59. Kg8 Ke6 60. g7 Qh6 61. Kf8 Kf6 62. a4 Qxg7+ 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.14"]
[Round "5.30"]
[White "Marienfeld, Udo"]
[Black "Schaefer, Ulrich"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "1220"]
[BlackElo "1412"]
[PlyCount "32"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. dxe5 Nc6 6. Bf4 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qe3 Bc5 10. Qc1 Ne6 11. Bxe4 dxe4 12. 0-0 Qh4 13. Bg3 Qxg3 14. Kh1 Qxe5 15. Nc3 0-0-0 16. Qe1 Bd6 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.13"]
[Round "4.28"]
[White "Schroeder, Marcel"]
[Black "Marienfeld, Udo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1452"]
[BlackElo "1220"]
[PlyCount "69"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 d6 7. Bc4 Nge7 8. 0-0 Qg6 9. Nd2 Ne5 10. Qc2 Bh3 11. g3 Bxf1 12. Rxf1 Nxc4 13. Qa4+ c6 14. Qxc4 0-0 15. f4 Bxd4 16. cxd4 d5 17. Qb4 dxe4 18. Qxe7 f5 19. Qxb7 Rfb8 20. Qa6 Rxb2 21. Rc1 Rb6 22. Qc4+ Qf7 23. d5 Rb5 24. dxc6 Qxc4 25. Rxc4 Rb2 26. a3 Rc8 27. g4 g6 28. g5 Kf7 29. Kf2 Ke6 30. Ke1 a6 31. Bd4 Rb5 32. Ke2 Kd5 33. c7 Rb3 34. Rc5+ Kxd4 35. Nxb3# 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.09"]
[Round "3.31"]
[White "Marienfeld, Udo"]
[Black "Wilms, Christoph"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "1220"]
[BlackElo "1526"]
[PlyCount "81"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 Be7 8. Qd2 Ng4 9. f3 Nxe3 10. Qxe3 Nd7 11. Bxe6 fxe6 12. Nxe6 Qa5 13. Nxg7+ Kf7 14. Nf5 Nf6 15. Nxe7 Kxe7 16. 0-0-0 Be6 17. Nd5+ Bxd5 18. exd5+ Kd7 19. Qe6+ Kc7 20. Qxf6 Qc5 21. Rhe1 Kb6 22. Qd4 Rac8 23. Qxc5+ Rxc5 24. Re6 Rd8 25. Re7 Rdc8 26. c3 R8c7 27. Rxc7 Rxc7 28. Rd4 Re7 29. Kd2 Rg7 30. g3 Kc5 31. b3 b5 32. b4+ Kb6 33. a3 Kc7 34. Re4 Kd7 35. Ke3 Rg5 36. Kd4 Rh5 37. Rh4 Rxh4+ 38. gxh4 Ke7 39. c4 Kf6 40. c5 Ke7 41. c6 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.07"]
[Round "2.29"]
[White "Zabel, Reinhard"]
[Black "Marienfeld, Udo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1466"]
[BlackElo "1220"]
[PlyCount "117"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nf3 d5 6. e5 Bd7 7. Be2 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 Qb6 10. Nc3 Nge7 11. Bb5 a6 12. Bxc6 Bxc6 13. 0-0 h6 14. b3 Qb4 15. Ne4 Qxd2 16. Nd6+ Kd7 17. Nxd2 Rhf8 18. f4 Nc8 19. Nxc8 Raxc8 20. Rac1 Bb5 21. Rfe1 Rxc1 22. Rxc1 Rc8 23. Rxc8 Kxc8 24. Kf2 Bd3 25. Ke3 Bf5 26. b4 Kc7 27. Nb3 b6 28. Kd2 Kc6 29. a4 Be4 30. g3 h5 31. Kc3 Bf3 32. Kd2 Bg2 33. a5 bxa5 34. Nxa5+ Kb5 35. Kc3 Kb6 36. Nb3 Bf1 37. Nc5 a5 38. bxa5+ Kxa5 39. Nb7+ Kb6 40. Nd8 Bh3 41. Nxf7 Bg4 42. Nd6 Kc6 43. Ne8 g6 44. Nf6 Bf5 45. Ng8 Bh3 46. Ne7+ Kd7 47. Nxg6 Ke8 48. Kd2 Kf7 49. Nh4 Bg4 50. Ke3 Kg7 51. Nf3 Kg6 52. Nh4+ Kh6 53. Kf2 Bh3 54. Nf3 Kg6 55. Ng5 Bf5 56. h3 Kh6 57. Kf3 Kg6 58. g4 hxg4+ 59. hxg4 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.06"]
[Round "1.29"]
[White "Marienfeld, Udo"]
[Black "Werner, Patrick"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1220"]
[BlackElo "1691"]
[PlyCount "44"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. 0-0 Be7 9. Bg5 0-0 10. Qd2 b5 11. a4 b4 12. Bxf6 bxc3 13. Nxe6 fxe6 14. Bxc3 Nc6 15. f4 Kh8 16. Rf3 Bf6 17. e5 dxe5 18. fxe5 Nxe5 19. Bxe5 Qxe5 20. c3 Bb7 21. Re3 Qc5 22. Kh1 Bg5 0-1

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.02.16"]
[Round "4"]
[White "Marienfeld, Udo"]
[Black "Guelicher, Michael"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1220"]
[BlackElo "1539"]
[PlyCount "54"]
[EventDate "2006.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bf5 5. Bd3 Bxd3 6. Qxd3 Nc6 7. a3 dxe5 8. dxe5 e6 9. 0-0 Be7 10. Nc3 Nxc3 11. Qxc3 Qd5 12. Be3 0-0 13. Rad1 Qe4 14. Rfe1 Qg4 15. Bc5 Bxc5 16. Qxc5 Rfd8 17. Rxd8+ Rxd8 18. h3 Qf5 19. Qb5 Rb8 20. c3 a6 21. Qc4 Qc2 22. Re2 Qc1+ 23. Kh2 Rd8 24. Nd4 Rxd4 25. Qb3 Na5 26. Qa2 Rd2 27. Rxd2 Qxd2 0-1

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.02.02"]
[Round "3"]
[White "Kuckelke, Juergen"]
[Black "Marienfeld, Udo"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1310"]
[BlackElo "1220"]
[PlyCount "82"]
[EventDate "2006.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. b3 c5 5. Bb2 Nc6 6. Bd3 Nf6 7. 0-0 Be7 8. Nc3 d4 9. Ne4 0-0 10. Nxf6+ Bxf6 11. c3 dxc3 12. dxc3 Bg4 13. h3 Bxf3 14. Qxf3 Ne5 15. Bxh7+ Kxh7 16. Qh5+ Kg8 17. c4 g6 18. Qe2 Re8 19. Rad1 Qc7 20. Rd2 Nc6 21. Qf3 Bxb2 22. Rxb2 Nd4 23. Qg4 Qe5 24. Rbb1 Ne2+ 25. Kh1 Qf4 26. Qd7 Nc3 27. Ra1 b6 28. Qd3 Qd4 29. Qf3 Qg7 30. g4 Rad8 31. Rfc1 Ne2 32. Rf1 Nd4 33. Qd3 Qf6 34. f4 Ne2 35. Qf3 Qh4 36. Kh2 Rd4 37. Rae1 Rxf4 38. Qxf4 Nxf4 39. Rxe8+ Kg7 40. Rxf4 Qg5 41. Kg3 f5 1/2-1/2

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.01.26"]
[Round "2"]
[White "Marienfeld, Udo"]
[Black "Potthast, Holger"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1220"]
[BlackElo "1424"]
[PlyCount "55"]
[EventDate "2006.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd2 Nf6 6. Nf3 Bg4 7. h3 Qh5 8. Be2 e6 9. Ne5 Bxe2 10. Qxe2 Qxe2+ 11. Nxe2 Nbd7 12. Nxd7 Nxd7 13. Bf4 0-0-0 14. 0-0 Nf6 15. c3 h6 16. Rfe1 g5 17. Be5 Be7 18. Ng3 Rhg8 19. Ne4 Nxe4 20. Rxe4 h5 21. Bh2 g4 22. hxg4 hxg4 23. Rae1 Rg6 24. R1e3 Rh8 25. f4 Bh4 26. g3 Bd8 27. Re2 Kd7 28. Rf2 1/2-1/2

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.01.19"]
[Round "1"]
[White "Rzoczek, Christoph"]
[Black "Marienfeld, Udo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1589"]
[BlackElo "1220"]
[PlyCount "85"]
[EventDate "2006.01.19"]
[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 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 Bf5 5. Bd3 Bxd3 6. Qxd3 e6 7. 0-0 Be7 8. Nbd2 Nbd7 9. h3 h6 10. Rab1 0-0 11. b3 a5 12. c4 Ra6 13. c5 b5 14. a4 Qa8 15. axb5 cxb5 16. Qxb5 Rc8 17. Rfc1 Rcc6 18. Ra1 Bd8 19. Ne5 Nxe5 20. Bxe5 Nd7 21. Nf3 Bc7 22. Bxc7 Rxc7 23. c6 Rcxc6 24. Rxc6 Qxc6 25. Qxc6 Rxc6 26. Rxa5 Rb6 27. Ra8+ Kh7 28. Ra7 Nf6 29. Rxf7 Rxb3 30. Ne5 Rb6 31. Nd7 Nxd7 32. Rxd7 Kg6 33. h4 Kf6 34. g4 Rb2 35. Kg2 g6 36. Rh7 Rb8 37. h5 Kg5 38. Re7 Kf6 39. Rh7 Re8 40. Rxh6 Rg8 41. Kg3 Kg5 42. Rxg6+ Rxg6 43. hxg6 1-0

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.15"]
[Round "8"]
[White "Pachura, Karl Heinz"]
[Black "Marienfeld, Udo"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1274"]
[PlyCount "117"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nc6 4. Nf3 e5 5. a3 Nf6 6. d3 Be7 7. Be2 0-0 8. Nc3 a6 9. Nd5 Nxd5 10. exd5 Nd4 11. c4 Nxf3+ 12. Bxf3 Qa5+ 13. Qd2 Qxd2+ 14. Kxd2 Bf5 15. g4 Bg5+ 16. Kc2 Bg6 17. h4 Bf4 18. h5 Bxd3+ 19. Kxd3 g5 20. hxg6 fxg6 21. Ke4 g5 22. Be2 Kg7 23. f3 b6 24. Rh3 Rf7 25. Rah1 Rh8 26. Rh6 Rf6 27. Rxf6 Kxf6 28. Rh6+ Ke7 29. Re6+ Kd7 30. Kd3 h5 31. gxh5 Rxh5 32. Rg6 Rh4 33. Bc3 Kc7 34. Bd2 Rh2 35. Bxf4 gxf4 36. Re6 Kd7 37. Rg6 Rh1 38. Rg7+ Kc8 39. Ke4 Re1 40. Rg2 Ra1 41. Bd3 Rxa3 42. Rb2 Ra1 43. Kf5 Kd7 44. Kf6 Rh1 45. Bf5+ Kc7 46. Rg2 Rh8 47. Rg7+ Kb8 48. Ke6 Rh6+ 49. Kd7 b5 50. Kc6 Rf6 51. Be4 Rf8 52. Kxd6 bxc4 53. bxc4 Rh8 54. Kxc5 Rh3 55. d6 Rg3 56. Re7 Rg8 57. Rb7+ Kc8 58. Rc7+ Kd8 59. Bf5 1-0

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.14"]
[Round "7"]
[White "Marienfeld, Udo"]
[Black "Ruchay, Dietrich"]
[Result "0-1"]
[ECO "B73"]
[BlackElo "1460"]
[PlyCount "66"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. Be2 Qc7 9. 0-0 0-0 10. Rb1 d6 11. Qd2 Bg4 12. f3 Be6 13. b3 Rad8 14. Bf4 Qa5 15. Nd5 Qxd2 16. Nxe7+ Kh8 17. Bxd2 c5 18. Nc6 Rd7 19. Bf4 Nh5 20. Be3 Rc8 21. Na5 f5 22. exf5 gxf5 23. g4 f4 24. Bd2 Bd4+ 25. Kg2 Rg7 26. Kh1 Rcg8 27. Nc6 Bf6 28. gxh5 Rg2 29. Bxf4 Rxe2 30. Bxd6 Bd5 31. Bxc5 Bxc6 32. Rf2 Rxf2 33. Bxf2 Bxf3# 0-1

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.10"]
[Round "6"]
[White "Krueger, Inge"]
[Black "Marienfeld, Udo"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1307"]
[PlyCount "80"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 dxc4 4. Nf3 e6 5. e3 Be7 6. Bxc4 0-0 7. 0-0 c6 8. a4 Nbd7 9. Bd3 Qc7 10. b3 Nd5 11. Nxd5 exd5 12. Bb2 Nf6 13. Qc2 Bd6 14. Ne5 g6 15. f4 Ng4 16. Nxg4 Bxg4 17. h3 Bd7 18. f5 Kg7 19. e4 f6 20. Rae1 Rae8 21. Re3 Bxf5 22. e5 Bxd3 23. Qxd3 fxe5 24. Rxf8 Kxf8 25. Rf3+ Kg8 26. Qf1 e4 27. Qe2 Qe7 28. Rc3 Qg5 29. Bc1 Qh4 30. Be3 Rf8 31. Bf2 Qf6 32. Be3 Bb4 33. Rc1 Bd6 34. Bh6 Rf7 35. Be3 Kg7 36. Rd1 Bf4 37. Bf2 Bh2+ 38. Kxh2 Qxf2 39. Qxf2 Rxf2 40. Re1 Rd2 0-1

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.08"]
[Round "5"]
[White "Marienfeld, Udo"]
[Black "Skoecz, Horst"]
[Result "0-1"]
[ECO "C41"]
[BlackElo "1455"]
[PlyCount "70"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 Nbd7 5. Bc4 Nb6 6. Bb3 Bg4 7. Be3 d5 8. dxe5 Nxe4 9. Bxb6 Nxc3 10. bxc3 axb6 11. Qxd5 Qxd5 12. Bxd5 c6 13. Bb3 Bxf3 14. gxf3 g6 15. 0-0-0 Bh6+ 16. Kb2 Ra5 17. Rhe1 Rc5 18. Bxf7+ Kxf7 19. e6+ Kf6 20. e7 Re8 21. Rd7 Bg7 22. Rxb7 Kf7 23. Re3 b5 24. Kb3 Rh5 25. Rc7 c5 26. Re4 Bf6 27. a4 bxa4+ 28. Kxa4 Bxc3 29. Kb3 Bf6 30. Rd7 Rxh2 31. Kc4 Rxf2 32. Kxc5 Rxc2+ 33. Kd6 Rd2+ 34. Kc7 Rxd7+ 35. Kxd7 Rxe7+ 0-1

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.03"]
[Round "3"]
[White "Mueller, Siegfried"]
[Black "Marienfeld, Udo"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "1434"]
[PlyCount "109"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Nc6 5. Bg5 Bg7 6. e3 e6 7. a3 a6 8. cxd5 exd5 9. h3 0-0 10. Bd3 Ne7 11. Qc2 c6 12. 0-0 Be6 13. Na4 b5 14. Nc5 Qc8 15. Rfc1 Re8 16. Bf4 Nh5 17. Bh2 Bh6 18. Nb3 Bf5 19. Na5 Bd7 20. Ne5 Nf5 21. Nxd7 Qxd7 22. Qxc6 Qxc6 23. Rxc6 Rec8 24. Bxf5 Rxc6 25. Nxc6 gxf5 26. Rc1 Re8 27. Kf1 f4 28. exf4 Bxf4 29. Bxf4 Nxf4 30. Rc3 Kf8 31. Ne5 Ne6 32. Nf3 Ra8 33. g3 Ke7 34. Ke2 Kd6 35. Kd3 Rd8 36. h4 Kd7 37. Ne5+ Ke8 38. b4 f6 39. Ng4 Rd6 40. Nxf6+ Kf7 41. Nxh7 Kg6 42. Ng5 Nxg5 43. hxg5 Kxg5 44. Ke2 Kg4 45. f4 Rf6 46. Kf2 Rh6 47. Kg2 Re6 48. Kf2 Rh6 49. Kf1 Rh1+ 50. Kg2 Rh6 51. Rc7 Re6 52. Rg7+ Kf5 53. Kf3 Re4 54. Rg5+ Ke6 55. Re5+ 1-0

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.01"]
[Round "2"]
[White "Marienfeld, Udo"]
[Black "Schaefer, Ulrich"]
[Result "0-1"]
[ECO "C48"]
[BlackElo "1475"]
[PlyCount "70"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Bc4 Nxf3+ 6. Qxf3 d6 7. d3 Bg4 8. Qg3 Qd7 9. Bg5 Be7 10. Nd5 Nxd5 11. Bxe7 Nxe7 12. h3 Be6 13. Bxe6 Qxe6 14. Qxg7 0-0-0 15. Qg4 Qxg4 16. hxg4 Rdg8 17. f3 Nc6 18. c3 Rg7 19. Rh5 h6 20. Ke2 Rg5 21. Rah1 Rxh5 22. Rxh5 Ne7 23. g5 Ng6 24. g3 hxg5 25. Rxh8+ Nxh8 26. g4 Kd7 27. c4 Ng6 28. Ke3 Nf4 29. Kd2 c6 30. b4 Ne6 31. Kc3 Nd4 32. Kd2 Nxf3+ 33. Ke3 Nh2 34. Kf2 Nxg4+ 35. Kg3 Nf6 0-1

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.02.28"]
[Round "1"]
[White "Benke, Werner"]
[Black "Marienfeld, Udo"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1648"]
[PlyCount "47"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Bb4 7. Bf3 d6 8. 0-0 Bd7 9. Ndb5 Bc8 10. a3 a6 11. axb4 Nxb4 12. Nxd6+ Ke7 13. e5 Nd7 14. Bg5+ f6 15. Bh4 Nxe5 16. Nde4 Qxd1 17. Bxd1 b6 18. f4 Ng6 19. Bf2 Rb8 20. Na4 f5 21. Ng5 Nxf4 22. Nxb6 Bb7 23. Bc5+ Kf6 24. Rxf4 1-0

