[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.04.18"]
[Round "9"]
[White "Meinecke, Hans"]
[Black "Dudenhefner, Ilja"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1452"]
[BlackElo "1081"]
[PlyCount "30"]
[EventDate "2005.01.10"]
[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 Nc6 2. d4 d5 3. e3 Bg4 4. Nbd2 e5 5. Be2 Bxf3 6. dxe5 Bxe2 7. Qxe2 Qd7 8. Nf3 f6 9. exf6 Nxf6 10. 0-0 0-0-0 11. Rd1 Re8 12. b3 d4 13. Nxd4 Nxd4 14. Rxd4 Qxd4 15. exd4 Rxe2 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.04.04"]
[Round "8"]
[White "Dudenhefner, Ilja"]
[Black "Kuechenhofen, Rudolf"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1081"]
[BlackElo "1587"]
[PlyCount "149"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 h6 6. h3 0-0 7. 0-0 d6 8. a3 Be6 9. Nd5 Bxd5 10. Bxd5 Ne7 11. Bxb7 Rb8 12. Ba6 d5 13. exd5 Nexd5 14. Bc4 Qe7 15. b4 Bd6 16. Re1 c6 17. Bb2 Nd7 18. Bd4 N7b6 19. Bxb6 Nxb6 20. Bb3 Kh8 21. c4 Nd7 22. c5 Bc7 23. Qc2 f5 24. Ba4 Qf6 25. Nd2 Qg6 26. Nf3 e4 27. dxe4 Ne5 28. Nxe5 Bxe5 29. exf5 Qf6 30. Rad1 a5 31. Qe4 Bc3 32. Rd6 Qxf5 33. Qxf5 Rxf5 34. Re3 axb4 35. axb4 Bxb4 36. Rxc6 Bxc5 37. Rf3 Rxf3 38. gxf3 Ba7 39. Rc7 Bd4 40. Rc4 Rd8 41. Kg2 h5 42. Kg3 g5 43. h4 Be5+ 44. Kh3 Rd3 45. Rc8+ Kg7 46. hxg5 Rxf3+ 47. Kh4 Rf4+ 48. Kxh5 Rxa4 49. Re8 Bh2 50. Re7+ Kf8 51. Rb7 Ra2 52. g6 Ra5+ 53. Kg4 Ra4+ 54. Kh5 Kg8 55. Rd7 Be5 56. Kh6 Bf6 57. g7 Ra6 58. Kh5 Bxg7 59. f4 Rf6 60. Kg5 Rf8 61. f5 Bc3 62. Rc7 Bd2+ 63. Kg6 Rd8 64. f6 Bb4 65. Rg7+ Kf8 66. Rf7+ Ke8 67. Rh7 Rd3 68. Rh8+ Bf8 69. Rh7 Rg3+ 70. Kf5 Rd3 71. Ke6 Rd6+ 72. Kf5 Ra6 73. Rb7 Ba3 74. Kg6 Bd6 75. Kg7 1/2-1/2

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.02.21"]
[Round "5"]
[White "Dudenhefner, Ilja"]
[Black "Badej, Daniel"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1081"]
[BlackElo "1155"]
[PlyCount "52"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 d6 5. d3 Bg4 6. h3 Bxf3 7. Qxf3 Nd4 8. Qd1 c6 9. Bg5 Be7 10. 0-0 d5 11. exd5 cxd5 12. Bxf6 dxc4 13. Bxg7 Rg8 14. Bxe5 Qd7 15. Bg3 Nf5 16. Ne4 Qd4 17. Rb1 Nxg3 18. c3 Qb6 19. Qa4+ Kf8 20. Nxg3 Rxg3 21. Qxc4 Rg7 22. Rfe1 Bc5 23. d4 Be7 24. b3 Bh4 25. Re4 Qg6 26. Qf1 Qxe4 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.02.14"]
[Round "4"]
[White "Seelig, Jochen"]
[Black "Dudenhefner, Ilja"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1332"]
[BlackElo "1081"]
[PlyCount "69"]
[EventDate "2005.01.10"]
[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 Nc6 2. b3 e5 3. d3 Nf6 4. Bb2 d6 5. h3 a6 6. a4 Be7 7. e4 b6 8. Be2 Bb7 9. c4 Nb8 10. Nfd2 c6 11. Qc2 Nbd7 12. Bg4 d5 13. Bxd7+ Nxd7 14. d4 Bf6 15. dxe5 Nxe5 16. f4 Nd7 17. Bxf6 Qxf6 18. Qc3 Qxc3 19. Nxc3 dxe4 20. Ndxe4 0-0 21. 0-0-0 Bc8 22. Rd6 c5 23. Nd5 b5 24. Ne7+ Kh8 25. Nxc8 Raxc8 26. Rxd7 bxc4 27. bxc4 Rb8 28. Kc2 Rb4 29. Nd6 Kg8 30. Re1 Rbb8 31. Ree7 Rbd8 32. Rxd8 Rxd8 33. Re8+ Rxe8 34. Nxe8 Kf8 35. Nc7 1-0

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.01.17"]
[Round "2"]
[White "Dudenhefner, Ilja"]
[Black "Wieland, Ingo"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1081"]
[BlackElo "1661"]
[PlyCount "58"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 Bg4 6. Be2 e6 7. a3 Nc6 8. h3 Bxf3 9. Bxf3 Be7 10. 0-0 0-0 11. Bg5 Qb6 12. Na4 Qxd4 13. Qxd4 Nxd4 14. Bd1 Rac8 15. Nc3 h6 16. Be3 Nf5 17. Bxa7 Rc6 18. Be3 d4 19. Bf3 Rcc8 20. Bxd4 Nxd4 21. Bxb7 Rb8 22. Be4 Nxe4 23. Nxe4 Nxc2 24. Rab1 Rfd8 25. Rfc1 Rbc8 26. Nc3 Nd4 27. Rd1 Nb3 28. Re1 Bxa3 29. bxa3 Rxc3 0-1

[Event "Leverkusen-ch op"]
[Site "Leverkusen"]
[Date "2005.01.10"]
[Round "1"]
[White "Weber, Olaf"]
[Black "Dudenhefner, Ilja"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1830"]
[BlackElo "1081"]
[PlyCount "109"]
[EventDate "2005.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 Nc6 7. e3 h6 8. Bh4 a6 9. a3 0-0 10. Bd3 Re8 11. Nge2 b5 12. Bxf6 Bxf6 13. Nxb5 axb5 14. Qxc6 Bd7 15. Qc2 Re6 16. 0-0 Rb6 17. Nf4 c6 18. Qb3 Rc8 19. Rac1 Be7 20. Bb1 Qf8 21. Nd3 Bd6 22. Nc5 Bxc5 23. Rxc5 Rbb8 24. Qd3 f5 25. Rfc1 Rb6 26. Qc3 Qf6 27. Qb3 Rbb8 28. Qd1 Rb6 29. R1c3 Kf8 30. Rb3 Rbb8 31. Rb4 Kg8 32. Qc2 Kf8 33. a4 bxa4 34. Rxa4 Rb5 35. Ra7 Rxc5 36. Qxc5+ Ke8 37. h3 h5 38. Bd3 Rb8 39. b4 h4 40. b5 cxb5 41. Qxd5 Rd8 42. Rxd7 Rxd7 43. Bxb5 Qe7 44. Qxd7+ Qxd7 45. Bxd7+ Kxd7 46. Kf1 Ke6 47. Ke2 Kd5 48. Kf3 Ke6 49. Kf4 Kf6 50. Kf3 g5 51. g4 hxg3 52. fxg3 Ke6 53. h4 g4+ 54. Kf4 Kf6 55. h5 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.05.03"]
[Round "9"]
[White "Guelden, Ralf"]
[Black "Dudenhefner, Ilja"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "1560"]
[BlackElo "930"]
[PlyCount "41"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Nc6 4. Nf3 Bg4 5. e3 e5 6. cxd5 Nxd5 7. Be2 exd4 8. Nxd4 Bxe2 9. Ncxe2 Nxd4 10. Nxd4 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 0-0 13. 0-0 Qf6 14. Qa5 Nb6 15. Rac1 c6 16. Rfd1 Rfd8 17. Rc2 Rd5 18. Qa3 Qf5 19. Rdc1 Qf6 20. Nf3 h6 21. Nd4 1/2-1/2

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.04.05"]
[Round "7"]
[White "Dudenhefner, Ilja"]
[Black "Teuber, Alfons"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "930"]
[BlackElo "1200"]
[PlyCount "81"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 a6 4. h3 Nc6 5. Bc4 Nd4 6. Nb1 b5 7. Be2 Nf6 8. c3 Nxe2 9. Qxe2 Bb7 10. d3 Nd7 11. d4 exd4 12. cxd4 Be7 13. 0-0 0-0 14. d5 Re8 15. a3 Bf6 16. Rd1 Nc5 17. Nc3 Qe7 18. Re1 Nb3 19. Rb1 Nd4 20. Nxd4 Bxd4 21. Bd2 c6 22. Kf1 c5 23. b3 Rad8 24. Rbc1 Bc8 25. f3 h6 26. Be3 Be5 27. Bd2 Qh4 28. Be3 Qg3 29. Bf2 Qh2 30. Bg1 Qh1 31. Kf2 Bd4+ 32. Kg3 Be5+ 33. f4 Bf6 34. Bf2 Bh4+ 35. Kf3 Qh2 36. Rh1 Qxf4+ 37. Kxf4 Bg5+ 38. Kg3 Bxc1 39. Rxc1 Re5 40. Kh2 Rde8 41. Bg3 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.03.16"]
[Round "4"]
[White "Kolleck, Wolf Dietrich"]
[Black "Dudenhefner, Ilja"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1649"]
[BlackElo "930"]
[PlyCount "77"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bd6 4. Nc3 Nf6 5. d3 a6 6. Bc4 Bb4 7. Bd2 d6 8. h3 Nd4 9. Ng5 Be6 10. Nxe6 fxe6 11. a3 Bxc3 12. bxc3 d5 13. cxd4 dxc4 14. dxe5 Ng8 15. Qg4 Qd7 16. 0-0 cxd3 17. cxd3 0-0-0 18. Rfd1 Nh6 19. Qe2 Qxd3 20. Qxd3 Rxd3 21. Bxh6 Rxd1+ 22. Rxd1 gxh6 23. f4 Rf8 24. g3 b5 25. Kf2 c5 26. Rd6 Rd8 27. Rc6+ Kb7 28. Rxc5 Rd2+ 29. Ke3 Ra2 30. Rc3 a5 31. f5 b4 32. axb4 axb4 33. Rc1 exf5 34. exf5 Ra3+ 35. Kf4 b3 36. f6 Ra4+ 37. Kf5 b2 38. Rb1 Rb4 39. f7 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.03.15"]
[Round "6"]
[White "Liebsch, Eva"]
[Black "Dudenhefner, Ilja"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1100"]
[BlackElo "930"]
[PlyCount "97"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 Nc6 5. Nf3 d6 6. h3 0-0 7. Bg5 h6 8. Bh4 Bb4 9. 0-0 Bxc3 10. bxc3 g5 11. Bg3 Nh5 12. Bh2 g4 13. hxg4 Bxg4 14. d4 exd4 15. cxd4 Qe7 16. Re1 Qf6 17. c3 Kh8 18. Qd3 Nf4 19. Bxf4 Qxf4 20. Qe3 Qxe3 21. Rxe3 Na5 22. Nd2 Rad8 23. Rb1 c6 24. d5 Nxc4 25. Nxc4 cxd5 26. exd5 b6 27. Re7 Bf5 28. Rb4 Bd3 29. Rxa7 Bxc4 30. Rxc4 Rde8 31. Rc6 Re1+ 32. Kh2 Re2 33. Kg1 Re1+ 34. Kh2 Re2 35. Kg3 Rg8+ 36. Kf3 Rc2 37. Rxf7 Rxa2 38. Rxb6 Ra3 39. Rc6 Rb3 40. Rf6 Kh7 41. Rfxd6 Rf8+ 42. Kg3 Rg8+ 43. Kh2 Kg7 44. Rxh6 Kf8 45. Rc8+ Kg7 46. Rxg8+ Kxh6 47. Rg3 Rb5 48. c4 Rc5 49. Rc3 1-0

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.03.01"]
[Round "5"]
[White "Dudenhefner, Ilja"]
[Black "Elsweiler, Karl Heinz"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "930"]
[BlackElo "1659"]
[PlyCount "98"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 h6 6. Bxf6 Bxf6 7. Bc4 Bg7 8. e5 e6 9. 0-0 d5 10. Bb3 0-0 11. Na4 b6 12. Rc1 Ba6 13. c4 dxc4 14. Bc2 c3 15. Bd3 Bxd3 16. Qxd3 cxb2 17. Nxb2 Nd7 18. Na4 Nxe5 19. Nxe5 Bxe5 20. Rcd1 Bd6 21. Qd2 Kh7 22. Nc3 a6 23. Ne4 Bxh2+ 24. Kxh2 Qh4+ 25. Kg1 Qxe4 26. Rfe1 Qd5 27. f3 Rad8 28. f4 c5 29. Re5 Qxd4+ 30. Qxd4 cxd4 31. Re4 d3 32. Re3 Rd4 33. g3 Rfd8 34. Kf2 Kg7 35. Ke1 b5 36. Kd2 b4 37. Rb1 h5 38. Rb3 h4 39. gxh4 Rxf4 40. Rexd3 Rxd3+ 41. Rxd3 Rxh4 42. Rd6 a5 43. Ra6 Rd4+ 44. Ke3 Rd5 45. Rc6 Kf6 46. Rc4 g5 47. Kf3 Kg6 48. Kg3 Rd3+ 49. Kg4 f5# 0-1

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.02.02"]
[Round "3"]
[White "Dudenhefner, Ilja"]
[Black "Friedsam, Manfred"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "930"]
[BlackElo "1833"]
[PlyCount "52"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. e5 Bf5 4. d4 e6 5. Bd3 Bxd3 6. Qxd3 Nd7 7. 0-0 Ne7 8. Nc3 a6 9. a3 c5 10. b3 cxd4 11. Qxd4 Nc6 12. Qe3 Bc5 13. Qf4 h6 14. Be3 g5 15. Qg3 d4 16. b4 Bb6 17. Bxd4 Nxd4 18. Nxd4 Bxd4 19. Rfd1 Bxc3 20. Qxc3 Rc8 21. Qb2 Qc7 22. Rd2 Qxe5 23. Qxe5 Nxe5 24. Re1 Ng6 25. g3 0-0 26. Rc1 Rfd8 0-1

[Event "Leverkusen op"]
[Site "Leverkusen"]
[Date "2004.01.12"]
[Round "1"]
[White "Lahm, Uwe"]
[Black "Dudenhefner, Ilja"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1845"]
[BlackElo "930"]
[PlyCount "41"]
[EventDate "2004.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e5 2. b3 Nc6 3. Bb2 Nf6 4. a3 b6 5. e3 Bb7 6. Qc2 d5 7. cxd5 Qxd5 8. Nc3 Qd8 9. f3 Nd5 10. Nxd5 Qxd5 11. Bc4 Qd8 12. Ne2 Be7 13. 0-0 Bf6 14. f4 exf4 15. Rxf4 Bxb2 16. Bxf7+ Kd7 17. Qf5+ Kd6 18. Qd5+ Ke7 19. Qe6+ Kf8 20. Bg6+ Bf6 21. Qf7# 1-0

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.04.28"]
[Round "9"]
[White "Liebsch, Eva"]
[Black "Dudenhefner, Ilja"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1178"]
[PlyCount "54"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. Bc4 Qh4 3. d3 Bc5 4. Qe2 c6 5. Nf3 Qf6 6. Nc3 Bb4 7. Bd2 Ne7 8. a3 Bxc3 9. Bxc3 Qg6 10. Rg1 d5 11. Ne5 Qh6 12. exd5 exd5 13. Ng4 Bxg4 14. Qxg4 dxc4 15. Qxg7 Qe6+ 16. Be5 Rg8 17. Qxg8+ Nxg8 18. f4 Nd7 19. 0-0-0 f6 20. Bc3 0-0-0 21. Rge1 Qg4 22. g3 Qh3 23. Rh1 cxd3 24. Rxd3 Nc5 25. Rxd8+ Kxd8 26. Rd1+ Kc7 27. Rh1 Qg2 0-1

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.04.14"]
[Round "8"]
[White "Dudenhefner, Ilja"]
[Black "Ditzler, Detlev"]
[Result "0-1"]
[ECO "B52"]
[BlackElo "1480"]
[PlyCount "54"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. Nf3 Ngf6 6. 0-0 e6 7. Re1 Be7 8. d3 0-0 9. Bg5 a6 10. e5 Nxe5 11. Nxe5 dxe5 12. Rxe5 Rc8 13. Qf3 h6 14. Bxf6 Bxf6 15. Rh5 b5 16. Re1 b4 17. Ne4 Bxb2 18. Nxc5 Qa5 19. Nd7 Qxa2 20. Nxf8 Kxf8 21. h3 a5 22. c4 bxc3 23. Qb7 Re8 24. Qd7 c2 25. Rf5 e5 26. Qxf7+ Qxf7 27. Rxf7+ Kxf7 0-1

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.03.17"]
[Round "6"]
[White "Dudenhefner, Ilja"]
[Black "Kurochkin, Dimitry"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "28"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 a6 3. a3 Nc6 4. Nf3 e5 5. Bc4 h6 6. 0-0 Bc5 7. h3 Nd4 8. Nxe5 d6 9. Nxf7 Qe7 10. Nxh8 d5 11. Nxd5 Nxd5 12. Bxd5 Qe5 13. Ng6 Qf6 14. Nh8 Qg5 1/2-1/2

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.02.24"]
[Round "5"]
[White "Dudenhefner, Ilja"]
[Black "Lessing, Sebastian"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "44"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 Bc5 3. Nf3 Nh6 4. h3 Bb4 5. d3 Bxc3+ 6. bxc3 Qf6 7. d4 d5 8. Bg5 Qg6 9. e5 f6 10. Bd3 Qf7 11. Bxh6 gxh6 12. Rb1 Qg8 13. g3 fxe5 14. Nxe5 Nc6 15. Bb5 a6 16. Bxc6+ bxc6 17. Nxc6 Qg6 18. Rg1 Qe4+ 19. Kf1 e5 20. dxe5 Bxh3+ 21. Rg2 Qxg2+ 22. Ke2 Bg4+ 0-1

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.02.17"]
[Round "4"]
[White "Teuber, Alfons"]
[Black "Dudenhefner, Ilja"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1205"]
[PlyCount "25"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 Nc6 3. d5 Na5 4. a3 Nf6 5. Nc3 c6 6. b4 d6 7. bxa5 Qxa5 8. Bd2 cxd5 9. Nxd5 Qc5 10. Be3 Qc6 11. f3 Be6 12. Rb1 Bxd5 13. Bb5 1-0

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.02.03"]
[Round "3"]
[White "Dudenhefner, Ilja"]
[Black "Laszlob, Ronald"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1473"]
[PlyCount "98"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. d3 e6 6. Nf3 Be7 7. 0-0 Ngf6 8. h3 0-0 9. Bg5 h6 10. Bxf6 Bxf6 11. Re1 Qa5 12. d4 cxd4 13. Nxd4 a6 14. a3 Qc7 15. a4 Rfd8 16. Ra3 Nb6 17. Rb3 Nc4 18. Qd3 Rac8 19. Rb1 Na5 20. Rb4 Qc5 21. Na2 Bxd4 22. Rxd4 Qxc2 23. Qxc2 Rxc2 24. e5 d5 25. Nb4 Rc7 26. Kh2 Rdc8 27. Rdd1 Rc4 28. Nd3 Rxa4 29. Ra1 Rxa1 30. Rxa1 Nb3 31. Ra3 Nd4 32. Ra4 Nf5 33. g4 Ne7 34. Kg3 f6 35. f3 Kf7 36. Kh4 Ng6+ 37. Kg3 Nxe5 38. Nf4 Rc4 39. Ra3 Ng6 40. Nxg6 Kxg6 41. h4 e5 42. h5+ Kf7 43. Rd3 d4 44. f4 Ke6 45. g5 hxg5 46. fxg5 fxg5 47. Kg4 Kf6 48. Rf3+ Ke6 49. Kxg5 e4 0-1

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.01.20"]
[Round "2"]
[White "Kurscheidt, Paul"]
[Black "Dudenhefner, Ilja"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1571"]
[PlyCount "71"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3 b5 9. Bb3 Nd4 10. Qg3 Rb8 11. Bg5 h6 12. Qh4 Rg8 13. Bxf6 gxf6 14. Nd5 Rg6 15. f4 c6 16. Ne3 Be7 17. f5 Rg7 18. Qxh6 Bf8 19. Qh5 Rb7 20. 0-0 Rg5 21. Qd1 Qa5 22. Ng4 Bg7 23. c3 Nxb3 24. axb3 Qb6+ 25. Kh1 d5 26. Qe2 a5 27. b4 axb4 28. cxb4 Qd4 29. Ra8+ Ke7 30. Qc2 Qb6 31. Rfa1 Qc7 32. R1a6 Rb6 33. Qc5+ Kd7 34. Rxb6 Bf8 35. Qxf8 dxe4 36. Nxf6# 1-0

[Event "Leverkusen-ch 15th"]
[Site "Leverkusen"]
[Date "2003.01.06"]
[Round "1"]
[White "Dudenhefner, Ilja"]
[Black "Hegmann, Werner"]
[Result "0-1"]
[ECO "C60"]
[BlackElo "1751"]
[PlyCount "74"]
[EventDate "2003.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d3 Bg7 5. Bg5 f6 6. Bh4 Nge7 7. 0-0 a6 8. Ba4 b5 9. Bb3 Na5 10. Bd5 c6 11. b4 cxd5 12. bxa5 Qxa5 13. Nbd2 Bb7 14. Rb1 Bc6 15. c4 dxc4 16. dxc4 0-0 17. cxb5 axb5 18. Nb3 Qc7 19. Nc5 Kh8 20. Qd2 Ra7 21. Qd3 g5 22. Bg3 Ng6 23. Qd2 h6 24. h4 Nf4 25. Bxf4 exf4 26. hxg5 fxg5 27. Nd4 Qe5 28. Nxc6 dxc6 29. Nd7 Rd8 30. Nxe5 Rxd2 31. Nxc6 Raxa2 32. Ne7 Bd4 33. Nf5 Bxf2+ 34. Kh2 Bc5 35. e5 h5 36. e6 Rxg2+ 37. Kh3 Rh2# 0-1

