[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.03.02"]
[Round "9"]
[White "Staffeldt, Sven"]
[Black "Dietzel, Uwe"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1881"]
[BlackElo "1551"]
[PlyCount "57"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 h6 4. Nf3 Nf6 5. exd5 exd5 6. Bf4 c6 7. Bd3 Bg4 8. h3 Bxf3 9. Qxf3 Be7 10. 0-0-0 0-0 11. h4 h5 12. Qg3 Kh8 13. f3 Rg8 14. Rde1 Nbd7 15. Qg5 Bf8 16. Be5 g6 17. g4 Kh7 18. Bf4 Kh8 19. gxh5 Nxh5 20. Bd2 Qf6 21. Ne2 Re8 22. Nf4 Rxe1+ 23. Rxe1 Qxg5 24. hxg5 Bd6 25. Nxh5 gxh5 26. Rh1 c5 27. Rxh5+ Kg7 28. Rh7+ Kf8 29. g6 1-0

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.03.01"]
[Round "8"]
[White "Staffeldt, Sven"]
[Black "Laube, Soeren"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1881"]
[BlackElo "1651"]
[PlyCount "122"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. c3 Bg4 6. d4 exd4 7. Bxf7+ Kxf7 8. Ng5+ Qxg5 9. Qb3+ Be6 10. Qxb7 Qd8 11. Qxc6 Ne7 12. Qa4 Qd7 13. Qc2 Rhf8 14. b4 Bb6 15. a4 dxc3 16. Qxc3 Qc6 17. Qg3 Bd4 18. Ra3 Kg8 19. Be3 Bxe3 20. Qxe3 Qb6 21. Qg5 Ng6 22. Qd2 Ne5 23. Rg3 Rf7 24. Na3 Nc4 25. Nxc4 Bxc4 26. a5 Qb5 27. Rc1 Raf8 28. Rg5 Qa6 29. Qd4 Be6 30. Rc3 Qe2 31. Rc1 Qxf2+ 32. Qxf2 Rxf2 33. h3 R2f7 34. Rg3 Rb8 35. Rgc3 Rxb4 36. Rxc7 Rxc7 37. Rxc7 Rxe4 38. Rxa7 Ra4 39. Ra6 Kf7 40. Rxd6 Rxa5 41. Rd2 Kf6 42. Kh2 h5 43. h4 Ra2 44. Rd3 Bf5 45. Re3 g6 46. Kg1 Ra4 47. g3 Re4 48. Ra3 Ke5 49. Kf2 Rd4 50. Ra5+ Ke4 51. Ra2 Bg4 52. Rb2 Rc4 53. Rd2 Rc3 54. Rb2 Kd3 55. Rb1 Rc2+ 56. Kg1 Ke2 57. Rf1 Rd2 58. Rf2+ Ke3 59. Rf6 Bf5 60. Ra6 Kf3 61. Ra3+ Rd3 0-1

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.29"]
[Round "6"]
[White "Greim, Marcel"]
[Black "Staffeldt, Sven"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1555"]
[BlackElo "1881"]
[PlyCount "60"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. a3 cxd4 10. Nxd4 Nxd4 11. Bxd4 Bc5 12. Qf2 Bxd4 13. Qxd4 Qb6 14. Rd1 Qxd4 15. Rxd4 Nb6 16. b3 Bd7 17. Ne2 0-0 18. g3 Rfc8 19. Rd2 Rc7 20. Nd4 Rac8 21. Bd3 Be8 22. f5 Re7 23. f6 Rec7 24. fxg7 Kxg7 25. Rf1 Nd7 26. Re2 Nc5 27. Kd2 Nxd3 28. Kxd3 a5 29. Kd2 a4 30. Re3 Rc5 1/2-1/2

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.29"]
[Round "5"]
[White "Lutz, Harald"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2030"]
[BlackElo "1881"]
[PlyCount "65"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 h6 8. Bd3 Bd6 9. Qe2 c6 10. 0-0 Qc7 11. Ne5 b6 12. f4 Bb7 13. b4 0-0-0 14. a4 Nd5 15. Bd2 f6 16. Ng6 Rhe8 17. Ba6 e5 18. Bxb7+ Kxb7 19. fxe5 fxe5 20. dxe5 Bxe5 21. Nxe5 Rxe5 22. Qf3 Qe7 23. b5 Qc5+ 24. Kh1 cxb5 25. axb5 Qxb5 26. Rfb1 Qe2 27. Qg3 g5 28. Re1 Qxd2 29. Qxe5 Nxc3 30. Qg7+ Rd7 31. Re7 Kc8 32. Rxd7 Qxd7 33. Qxc3+ 1-0

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.28"]
[Round "3"]
[White "Grakovitch, Rudolf"]
[Black "Staffeldt, Sven"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1449"]
[BlackElo "1881"]
[PlyCount "70"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. e3 Bf5 4. Nc3 e6 5. a3 a5 6. Qa4+ c6 7. c5 Nbd7 8. Nf3 h6 9. h3 Be7 10. Qb3 Rb8 11. Na4 b6 12. cxb6 Nxb6 13. Nxb6 Qxb6 14. Qxb6 Rxb6 15. Be2 0-0 16. 0-0 Nd7 17. Rd1 Rfb8 18. Bd3 Bxd3 19. Rxd3 c5 20. Ne5 Nxe5 21. dxe5 c4 22. Rd4 f6 23. Rg4 h5 24. Rg3 fxe5 25. b4 axb4 26. axb4 Rxb4 27. Ra7 R4b7 28. Rxb7 Rxb7 29. Bd2 Rb1+ 30. Kh2 Bh4 31. Rf3 e4 32. Rf4 Bg5 33. h4 Bxf4+ 34. exf4 Rb3 35. Be3 Rxe3 0-1

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.28"]
[Round "4"]
[White "Staffeldt, Sven"]
[Black "Ebert, Karsten"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1881"]
[BlackElo "1903"]
[PlyCount "72"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. d4 d6 4. e4 c5 5. c3 Qb6 6. Qc2 Bg4 7. d5 Nf6 8. Nbd2 0-0 9. Bd3 Nbd7 10. Nc4 Qc7 11. a4 b6 12. 0-0 a6 13. Ne3 Bxf3 14. Rxf3 Qb7 15. Qe2 Ne8 16. Rb1 Nc7 17. c4 e6 18. b3 exd5 19. exd5 Rae8 20. Qd2 f5 21. Bb2 Bxb2 22. Rxb2 Nf6 23. Qc2 Ne4 24. Nf1 Re7 25. Bxe4 Rxe4 26. Ng3 Re7 27. Qd3 Rfe8 28. Re2 Qc8 29. Rxe7 Rxe7 30. Re3 Qe8 31. Rxe7 Qxe7 32. Qe2 Qxe2 33. Nxe2 Ne8 34. Nc3 Kf7 35. Kf2 Nf6 36. h3 Ke7 1/2-1/2

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.27"]
[Round "2"]
[White "Staffeldt, Sven"]
[Black "Barshevich, Viktor"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1881"]
[BlackElo "1680"]
[PlyCount "74"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. f4 d5 2. e3 g6 3. Nf3 Bg4 4. Be2 Bg7 5. d4 c6 6. Nbd2 Nf6 7. c3 Nbd7 8. Ng5 Bxe2 9. Qxe2 h6 10. Ngf3 a5 11. a4 0-0 12. 0-0 e6 13. b3 b6 14. Ba3 Re8 15. Ne5 Qc7 16. Qd3 Bf8 17. Bxf8 Nxf8 18. g4 N6d7 19. Ndf3 f5 20. gxf5 gxf5 21. Ra2 Nf6 22. Rg2+ Kh7 23. Nh4 Ne4 24. Qe2 Nf6 25. Qf3 N8d7 26. Qh3 Nxe5 27. fxe5 Ng4 28. Nxf5 exf5 29. Rxf5 Rg8 30. Qf3 Nxe5 31. dxe5 Rxg2+ 32. Kxg2 Rg8+ 33. Kf1 Rg7 34. Qf4 Qd7 35. Ke2 Qe8 36. Rf6 Qh5+ 37. Kd3 Qd1# 0-1

[Event "Leipzig VfB op 15th"]
[Site "Leipzig"]
[Date "2008.02.26"]
[Round "1"]
[White "Ranft, Steffen"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2203"]
[BlackElo "1881"]
[PlyCount "61"]
[EventDate "2008.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Bg2 Bb4+ 6. Bd2 Qb6 7. c5 Bxd2+ 8. Qxd2 Qc7 9. Nc3 Nbd7 10. Qf4 Qxf4 11. gxf4 b6 12. b4 a5 13. b5 bxc5 14. bxc6 Nb8 15. Nb5 0-0 16. Ne5 c4 17. c7 Na6 18. Nxc4 Nb4 19. Nb6 Ra6 20. Nxc8 Rxc8 21. Kd2 Ne8 22. Rhc1 Nc6 23. Rc5 Na7 24. a4 Kf8 25. e4 Nxb5 26. axb5 Rd6 27. exd5 Rxc7 28. Rxa5 exd5 29. Ra8 Rxc5 30. dxc5 Rd7 31. c6 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.25"]
[Round "9"]
[White "Pantusenko, Valeria"]
[Black "Staffeldt, Sven"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1351"]
[BlackElo "1577"]
[PlyCount "49"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. a3 a5 6. b5 a4 7. d3 Qa5+ 8. Bd2 Qxb5 9. Nc3 Qc6 10. dxc4 dxc4 11. Qe2 Bd7 12. Qxc4 Qxc4 13. Bxc4 Bc5 14. Bb5 Bxb5 15. Nxb5 Na6 16. Ng5 Ne7 17. Ne4 0-0 18. 0-0 Nc6 19. Bc3 b6 20. Rfd1 Rfd8 21. Nbd6 Nc7 22. Bb2 Nd5 23. Kf1 Bxd6 24. Nxd6 b5 25. Bd4 1/2-1/2

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.24"]
[Round "8"]
[White "Baumert, Andre"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1906"]
[BlackElo "1577"]
[PlyCount "99"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 g6 5. b3 Bg7 6. Bb2 0-0 7. a3 d6 8. 0-0 Bd7 9. d4 cxd4 10. Nxd4 Qc8 11. Re1 Bh3 12. Bh1 Ng4 13. Nxc6 bxc6 14. Bxg7 Kxg7 15. Qd4+ e5 16. Qe4 Qd8 17. Qxc6 Rc8 18. Qf3 f5 19. Nd2 Qf6 20. Rac1 Qg5 21. Qd3 Rf6 22. Bg2 Qh6 23. Bxh3 Qxh3 24. Nf1 e4 25. Qd4 Ne5 26. Rc3 Qg4 27. Ne3 Qh3 28. Qxa7+ Kh8 29. Qd4 g5 30. c5 f4 31. cxd6 fxe3 32. Rxc8+ Kg7 33. Rc7+ Kh6 34. Rf1 Ng4 35. Qxf6+ Nxf6 36. f3 exf3 37. exf3 g4 38. f4 Ne4 39. d7 Nxg3 40. Re1 e2 41. Rcc1 Nf1 42. Rxe2 Qd3 43. Re7 Nxh2 44. Rc6+ Kh5 45. Rxh7+ Qxh7 46. Rc5+ Kh6 47. d8Q Nf3+ 48. Kf2 g3+ 49. Kxf3 g2 50. Qf6+ 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.24"]
[Round "7"]
[White "Staffeldt, Sven"]
[Black "Scholbach, Tillmann"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1577"]
[BlackElo "1955"]
[PlyCount "60"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. d4 Bg7 4. e3 Nf6 5. Bd3 e6 6. Nbd2 c5 7. c3 c4 8. Bc2 Nc6 9. Ne5 0-0 10. 0-0 Bd7 11. g4 Nxe5 12. dxe5 Ne8 13. g5 h5 14. Nf3 Nc7 15. Nh4 Be8 16. Bd2 b5 17. Be1 a5 18. Bg3 Na6 19. Nf3 Qb6 20. Nd4 Bc6 21. f5 exf5 22. Rxf5 Bd7 23. e6 Bxe6 24. Qf3 Bxd4 25. exd4 Bxf5 26. Bxf5 gxf5 27. Be5 Qg6 28. Bf6 Nc7 29. h4 Rfe8 30. Rf1 Re4 0-1

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.23"]
[Round "6"]
[White "Baer, Soeren"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2121"]
[BlackElo "1577"]
[PlyCount "48"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 d6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nbd7 7. Nc3 c5 8. h3 Nb6 9. b3 d5 10. cxd5 Nfxd5 11. Nxd5 Nxd5 12. Bb2 Nb4 13. a3 Nc6 14. e3 Qb6 15. dxc5 Qxc5 16. Bxg7 Kxg7 17. b4 Nxb4 18. axb4 Qxb4 19. Qd4+ Qxd4 20. Nxd4 a6 21. Rfb1 e5 22. Ne2 Ra7 23. Nc3 a5 24. Rb5 f5 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.22"]
[Round "4"]
[White "Lipok, Christoph"]
[Black "Staffeldt, Sven"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "2197"]
[BlackElo "1577"]
[PlyCount "83"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qd8 5. e4 e5 6. d5 Nbd7 7. Nf3 Bb4 8. Bd3 0-0 9. 0-0 Nc5 10. Be3 Bg4 11. a3 Bxf3 12. gxf3 Nxd3 13. Qxd3 Bd6 14. Kh1 Nh5 15. Rg1 Qd7 16. Ne2 Qh3 17. Ng3 f5 18. Qf1 Nxg3+ 19. fxg3 Qxf1 20. Rgxf1 fxe4 21. fxe4 a6 22. Kg2 Rxf1 23. Kxf1 Rf8+ 24. Ke2 h5 25. Rc1 Kf7 26. Rc3 Ke7 27. Rb3 b6 28. Rc3 Kd7 29. a4 Be7 30. Rc1 a5 31. Rc6 Bd6 32. Rc2 Be7 33. Rc1 Bb4 34. Rg1 Be7 35. h3 Bc5 36. Bxc5 bxc5 37. Rc1 Kd6 38. Rc3 Rb8 39. b3 Rb4 40. Kf3 g5 41. Ke3 g4 42. h4 1/2-1/2

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.22"]
[Round "5"]
[White "Staffeldt, Sven"]
[Black "Filipiak, Thomas"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1577"]
[BlackElo "2106"]
[PlyCount "73"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 d6 2. e4 g6 3. Nf3 Bg7 4. Bc4 e6 5. Nc3 Nf6 6. e5 Nfd7 7. d4 Nb6 8. Bb3 d5 9. Ne2 N8d7 10. c3 c5 11. Be3 c4 12. Bc2 Nb8 13. g4 Nc6 14. Ng3 Ne7 15. h4 Bd7 16. h5 Qc7 17. Ng5 f6 18. exf6 Bxf6 19. hxg6 Bxg5 20. g7 Rg8 21. Nh5 0-0-0 22. fxg5 Ng6 23. Bxg6 hxg6 24. Bf4 Qc6 25. Be5 Be8 26. Nf6 Bf7 27. Nxg8 Bxg8 28. Qc2 Nd7 29. Bf6 Nxf6 30. gxf6 e5 31. 0-0-0 Qxf6 32. dxe5 Qxg7 33. Qh2 Be6 34. Qg3 Qd7 35. Rd4 Rf8 36. Qg2 Qc7 37. Qg3 1/2-1/2

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.21"]
[Round "3"]
[White "Staffeldt, Sven"]
[Black "Holz auf der Heide, Gerhard"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1577"]
[BlackElo "1969"]
[PlyCount "67"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 e6 2. Nf3 d5 3. d4 c5 4. e3 Nc6 5. c3 a6 6. a4 Nf6 7. Bd3 c4 8. Bc2 Bd7 9. Nbd2 b5 10. b3 Be7 11. Ne5 0-0 12. 0-0 Qc7 13. g4 g6 14. Ba3 Bxa3 15. Rxa3 b4 16. cxb4 Nxb4 17. bxc4 dxc4 18. Ndxc4 Nxc2 19. Qxc2 Nd5 20. Nxd7 Qxd7 21. Ne5 Qd6 22. Rb3 Rfc8 23. Qb2 Rab8 24. Rb1 Rxb3 25. Qxb3 Qc7 26. g5 a5 27. Qb7 Nxe3 28. Qxc7 Rxc7 29. Rb8+ Kg7 30. Kf2 Nf5 31. Ng4 Nxd4 32. Nf6 Rc2+ 33. Ke1 Nf3+ 34. Kd1 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.21"]
[Round "2"]
[White "Von Wantoch Rekowski, Danijela"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2124"]
[BlackElo "1577"]
[PlyCount "71"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 a5 7. Bd3 Bd7 8. Bc2 Nge7 9. dxc5 Qc7 10. Bf4 Ng6 11. Bg3 Bxc5 12. Qe2 a4 13. Nbd2 Na5 14. 0-0 b5 15. Ng5 Bc6 16. Qh5 0-0-0 17. b4 axb3 18. Nxb3 Nxb3 19. Bxb3 Nxe5 20. Nxe6 fxe6 21. Bxe5 Bd6 22. Bxd6 Qxd6 23. Rfe1 Rhf8 24. Qg4 Rf6 25. Qd4 Rdf8 26. Ra2 Qc7 27. g3 g5 28. Bd1 Bd7 29. Rb2 h6 30. a4 bxa4 31. Bxa4 Bxa4 32. Qxa4 Qc5 33. Qa8+ Kd7 34. Rb7+ Kd6 35. Qa6+ Qc6 36. Rb6 1-0

[Event "Leipzig VfB op 14th"]
[Site "Leipzig"]
[Date "2007.03.20"]
[Round "1"]
[White "Staffeldt, Sven"]
[Black "Montavon, Gerard"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1577"]
[BlackElo "2100"]
[PlyCount "93"]
[EventDate "2007.03.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. d4 Nf6 4. e3 Bg4 5. c3 e6 6. Nbd2 Bd6 7. Bd3 0-0 8. Qc2 Bh5 9. Ne5 Bxe5 10. fxe5 Ng4 11. Nf3 Bg6 12. e4 f6 13. h3 Nh6 14. exf6 dxe4 15. Bxe4 Bxe4 16. Qxe4 Qxf6 17. Bg5 Qf5 18. Qxf5 Nxf5 19. 0-0-0 h6 20. Bh4 Ne3 21. Rd2 Nxg2 22. Rxg2 Rxf3 23. Rhg1 Rf7 24. Rg6 Kh7 25. Rxe6 Raf8 26. Kc2 g5 27. Bg3 Nd8 28. Re5 c6 29. h4 g4 30. h5 Rf5 31. Re7+ R8f7 32. Re8 Rd7 33. Be5 Nf7 34. Rxg4 Nxe5 35. Rxe5 Rxe5 36. dxe5 Re7 37. Re4 Kg7 38. Kd3 Kf7 39. Rf4+ Kg7 40. Ke4 Rd7 41. e6 Rd2 42. Rf7+ Kg8 43. Rxb7 Rh2 44. Rb8+ Kg7 45. Ke5 Rxh5+ 46. Kd6 Rh2 47. e7 1-0

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.06"]
[Round "9"]
[White "Gerstmann, Sebastian"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "D09"]
[WhiteElo "1396"]
[BlackElo "1661"]
[PlyCount "105"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg4 6. Bg2 Bc5 7. 0-0 Nge7 8. Nbd2 Bxf3 9. Nxf3 0-0 10. a3 a5 11. Qc2 Ng6 12. Bg5 Qe8 13. Rad1 h6 14. Bd2 Ngxe5 15. Rfe1 Ng4 16. Qf5 Nge5 17. Nxe5 Qxe5 18. Qc2 g5 19. e3 Qf6 20. b3 Rfe8 21. Bc1 Qe7 22. Qf5 Qe5 23. Qxe5 Rxe5 24. Bxc6 bxc6 25. exd4 Bxd4 26. Rxe5 Bxe5 27. Rd3 a4 28. b4 c5 29. Bd2 cxb4 30. Bxb4 Rb8 31. Rd5 Rxb4 32. axb4 Bb2 33. Ra5 a3 34. b5 Kf8 35. Kf1 Ke7 36. Ke2 Kd6 37. Kd3 Kc5 38. Ra4 f5 39. f4 gxf4 40. gxf4 Bc1 41. Kc3 Bxf4 42. h3 Be5+ 43. Kb3 f4 44. Kc2 f3 45. Rxa3 f2 46. Rf3 Bg3 47. Kd3 h5 48. Rf5+ Kb4 49. Kd4 h4 50. Rf3 Ka5 51. Kc5 Bd6+ 52. Kc6 Bg3 53. c5 1-0

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.05"]
[Round "8"]
[White "Staffeldt, Sven"]
[Black "Huebner, Sebastian"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1661"]
[BlackElo "1274"]
[PlyCount "65"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. b4 Nf6 2. c4 d6 3. Nc3 e5 4. e4 c6 5. Nf3 g6 6. d3 Bg7 7. Be2 0-0 8. a4 Be6 9. 0-0 Nbd7 10. Bg5 Rc8 11. Qd2 Qe8 12. h3 Kh8 13. Bh6 Bxh6 14. Qxh6 Ng8 15. Qe3 a6 16. d4 f5 17. exf5 Bxf5 18. g4 e4 19. Nd2 Rf6 20. d5 Ne5 21. Ndxe4 Qd7 22. Nxf6 Nxf6 23. gxf5 gxf5 24. Kh2 Re8 25. Qh6 Qe7 26. Rg1 Neg4+ 27. hxg4 Nxg4+ 28. Bxg4 Qe5+ 29. f4 Qxc3 30. Bf3 Qb2+ 31. Kh1 Qc3 32. Ra3 Qb2 33. Re3 1-0

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.05"]
[Round "7"]
[White "Stolze, Dirk"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1291"]
[BlackElo "1661"]
[PlyCount "71"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Bc5 3. Bg2 Nf6 4. e3 Nc6 5. a3 a5 6. Nc3 0-0 7. Nge2 Re8 8. 0-0 d6 9. Nd5 Bf5 10. d3 Rb8 11. Nec3 Nxd5 12. cxd5 Ne7 13. Be4 Bxe4 14. dxe4 b5 15. Bd2 c6 16. dxc6 Nxc6 17. Nd5 b4 18. axb4 Nxb4 19. Bxb4 axb4 20. b3 Qd7 21. Qh5 Re6 22. Qg4 Qb7 23. f4 Bxe3+ 24. Nxe3 Qxe4 25. Qf3 exf4 26. Qxe4 Rxe4 27. Nd5 fxg3 28. hxg3 f6 29. Ra6 Kf7 30. Rd1 Re2 31. Rxd6 Rb2 32. Nf4 Rxb3 33. Rd7+ Kg8 34. Nh5 Rf3 35. Rxg7+ Kf8 36. Rdd7 1-0

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.04"]
[Round "6"]
[White "Staffeldt, Sven"]
[Black "Diez, Tobias"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1661"]
[BlackElo "1395"]
[PlyCount "62"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 d5 2. e3 c5 3. d4 e6 4. Nf3 Nf6 5. c3 a6 6. Bd3 c4 7. Bc2 g6 8. Nbd2 b5 9. a3 Bb7 10. 0-0 Bg7 11. Ne5 a5 12. b3 cxb3 13. Nxb3 a4 14. Nc5 Qc7 15. Rb1 Bc6 16. Bd3 Nfd7 17. Nxc6 Nxc5 18. Nxb8 Nxd3 19. Qxd3 0-0 20. Na6 Rxa6 21. Qxb5 Raa8 22. Bd2 Rfb8 23. Qd3 Bf8 24. Rxb8 Rxb8 25. Qc2 Rb3 26. Rb1 Qc4 27. Rxb3 axb3 28. Qb2 Qa4 29. Bc1 Be7 30. g4 h6 31. Kf2 f5 1/2-1/2

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.03"]
[Round "4"]
[White "Kalkhof, Sandra"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1885"]
[BlackElo "1661"]
[PlyCount "101"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 c5 8. Nb5 Na6 9. Nd6+ Kf8 10. c3 Nc7 11. Nf3 Ne8 12. Nxe8 Kxe8 13. Bd3 b6 14. 0-0 Bb7 15. a3 Kd8 16. Ng5 h6 17. Qh5 g6 18. Qh3 Kc7 19. Nf3 Rag8 20. Rf2 g5 21. fxg5 hxg5 22. Qg4 Kd8 23. Qg3 g4 24. Nd2 Rh6 25. Nf1 Qf8 26. Qf4 f5 27. exf6 Rxf6 28. Qe3 Rxf2 29. Qxf2 Qxf2+ 30. Kxf2 e5 31. dxe5 Nxe5 32. Be2 Ke7 33. Rd1 Kd6 34. Kg3 Bc8 35. Ne3 Be6 36. Nc4+ Nxc4 37. Bxc4 Kc6 38. Be2 a5 39. Rf1 d4 40. cxd4 cxd4 41. Rf6 Kd5 42. Rxe6 Kxe6 43. Bc4+ Ke5 44. Bxg8 Ke4 45. Kf2 Kd3 46. Ke1 Kc2 47. b4 axb4 48. axb4 d3 49. Bh7 b5 50. Bf5 Kc3 51. Kd1 1-0

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.03"]
[Round "5"]
[White "Staffeldt, Sven"]
[Black "Dietel, Franz"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1661"]
[BlackElo "1492"]
[PlyCount "40"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e4 Nf6 4. d3 Be7 5. Nf3 0-0 6. c4 Nbd7 7. Nbd2 c6 8. Be2 a5 9. bxa5 Qxa5 10. 0-0 Qc7 11. a4 Nc5 12. Bc3 Bg4 13. h3 Bxf3 14. Nxf3 Nfd7 15. a5 f5 16. exf5 Rxf5 17. Qc2 Rf7 18. Nd2 Nf6 19. Nb3 Ne6 20. Bd2 Nd7 1/2-1/2

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.02"]
[Round "3"]
[White "Nabavi, Parwis"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "D09"]
[WhiteElo "2177"]
[BlackElo "1661"]
[PlyCount "23"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bb4+ 6. Nbd2 Bg4 7. Bg2 d3 8. 0-0 dxe2 9. Qxe2 Nd4 10. Qe4 Bxd2 11. Nxd4 Bxc1 12. Raxc1 1-0

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.02"]
[Round "2"]
[White "Staffeldt, Sven"]
[Black "Langer, Wolfgang"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1661"]
[BlackElo "2011"]
[PlyCount "56"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. d4 c5 4. e3 Bg4 5. Be2 Bxf3 6. Bxf3 e6 7. Nd2 Nc6 8. c3 cxd4 9. exd4 Bd6 10. g3 0-0 11. 0-0 Rc8 12. Bg2 b5 13. b4 Qb6 14. Kh1 a5 15. bxa5 Nxa5 16. Bb2 Nc4 17. Nxc4 Rxc4 18. Qd3 Ra8 19. f5 e5 20. dxe5 Bxe5 21. Bxd5 Rd8 22. Bxc4 Rxd3 23. Bxd3 Ng4 24. Be2 h5 25. Rab1 Qe3 26. Bxg4 hxg4 27. c4 Qe4+ 28. Kg1 Bd6 0-1

[Event "Leipzig VfB op 12th"]
[Site "Leipzig"]
[Date "2005.03.01"]
[Round "1"]
[White "Otto, Andreas"]
[Black "Staffeldt, Sven"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2120"]
[BlackElo "1661"]
[PlyCount "77"]
[EventDate "2005.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Qb4 12. Nc3 Nxd4 13. Nxd4 Qxd4 14. 0-0 Qxe5 15. Rfe1 Qd6 16. Nb5 Qb6 17. Qf4 0-0 18. Qh4 h6 19. Rac1 Nc5 20. Bf1 Bd7 21. Nd4 Ne4 22. Rcd1 Qd8 23. Qh5 Qf6 24. Qe2 Ba4 25. Rd3 Rac8 26. Qe3 Bc2 27. Ra3 e5 28. Nf3 d4 29. Qe2 d3 30. Qe3 d2 31. Nxd2 Nxd2 32. Qxd2 Rfd8 33. Qe3 e4 34. Rc3 Rxc3 35. bxc3 b6 36. g3 Qe6 37. Qc1 Bd3 38. Qd2 Qd5 39. Rd1 1/2-1/2

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.23"]
[Round "9.73"]
[White "Staffeldt, Sven"]
[Black "Steppan, Siegfried"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1681"]
[BlackElo "1428"]
[PlyCount "101"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d6 3. Nc3 g6 4. e4 Bg7 5. Bc4 0-0 6. e5 dxe5 7. fxe5 Ng4 8. d4 e6 9. h3 Nh6 10. Bg5 Qd7 11. g4 Kh8 12. Bb5 c6 13. Bd3 Ng8 14. Qd2 b6 15. h4 f6 16. Be3 Bb7 17. h5 g5 18. h6 Bxh6 19. exf6 Rxf6 20. Ne5 Qg7 21. Bxg5 Bxg5 22. Qxg5 h6 23. Ng6+ Rxg6 24. Qxg6 Qxg6 25. Bxg6 c5 26. Rf1 cxd4 27. Rf7 Nf6 28. Nb5 Nbd7 29. 0-0-0 e5 30. Bf5 Rd8 31. Nd6 Bd5 32. Re7 Kg8 33. Bxd7 Rxd7 34. Rxd7 Nxd7 35. Nf5 Kh7 36. Re1 Bf3 37. Nxd4 Bxg4 38. Nc6 a5 39. Nxe5 Nxe5 40. Rxe5 h5 41. Kd2 Kg6 42. Rb5 h4 43. Ke3 h3 44. Kf2 Bf5 45. Rxb6+ Kg5 46. Kg3 a4 47. c4 Bg4 48. Rb5+ Bf5 49. c5 Kf6 50. c6 Bd3 51. c7 1-0

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.22"]
[Round "8.68"]
[White "Pews, Kristine"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1594"]
[BlackElo "1681"]
[PlyCount "43"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. c4 Nf6 3. Nc3 d6 4. e4 e5 5. dxe5 Ng4 6. Nf3 Nc6 7. Bg5 Be7 8. Bxe7 Qxe7 9. exd6 cxd6 10. Bd3 Be6 11. 0-0 Nce5 12. Nd5 Nxf3+ 13. Qxf3 Qh4 14. Qg3 Qxg3 15. hxg3 Bxd5 16. exd5 Kd7 17. Rfe1 Rhe8 18. Bc2 Rxe1+ 19. Rxe1 Rc8 20. Ba4+ Kc7 21. b3 Kb8 22. Bd7 1-0

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.21"]
[Round "7.55"]
[White "Staffeldt, Sven"]
[Black "Bauder, Herbert"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1681"]
[BlackElo "1916"]
[PlyCount "110"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 d5 2. d4 Nf6 3. Nf3 g6 4. e3 Bg7 5. c4 c6 6. c5 0-0 7. Bd3 Bg4 8. Nbd2 e6 9. 0-0 b6 10. b4 a5 11. Ba3 b5 12. Qc2 Bf5 13. Nb3 axb4 14. Bxb4 Bxd3 15. Qxd3 Ne4 16. Nbd2 Ra4 17. a3 Nxd2 18. Qxd2 f6 19. Ne1 Qc7 20. Nc2 Nd7 21. Rab1 e5 22. fxe5 fxe5 23. Rxf8+ Nxf8 24. Bc3 Ne6 25. Rb4 Ra8 26. Rb1 Ng5 27. Qd3 Ne4 28. Bb2 Rf8 29. Rf1 Rxf1+ 30. Qxf1 Nd2 31. Qd3 Nc4 32. Bc3 e4 33. Qe2 Qd7 34. Be1 Bh6 35. Bf2 Qc8 36. Qe1 Qa8 37. Qb4 Qa4 38. Qxa4 bxa4 39. g4 Kf7 40. h4 Ke6 41. Kg2 Bf8 42. Bg3 Be7 43. g5 Bd8 44. Be1 Bc7 45. Kh3 Ba5 46. Bxa5 Nxa5 47. Kg4 Nc4 48. Kf4 Nb2 49. Kg4 Nd3 50. h5 Kf7 51. Kh4 Ke7 52. Kg4 Kf7 53. Na1 Ne1 54. hxg6+ hxg6 55. Kf4 Ng2+ 0-1

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.19"]
[Round "6.73"]
[White "Ebert, Lothar"]
[Black "Staffeldt, Sven"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1681"]
[PlyCount "68"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nc3 c6 6. Be3 Nf6 7. Bd3 Be6 8. h3 h6 9. Qd2 Nbd7 10. 0-0-0 Qc7 11. Rhe1 0-0-0 12. Qe2 Rde8 13. Nd2 g5 14. Nb3 Ne4 15. Bxe4 dxe4 16. Qd2 Bd5 17. Nxd5 cxd5 18. Qc3 Qxc3 19. bxc3 f5 20. Kb1 Nb6 21. Rf1 Nc4 22. Bc1 f4 23. Rde1 Re7 24. f3 e3 25. Re2 Rhe8 26. Ka1 Rc7 27. Rg1 b6 28. g4 fxg3 29. Rge1 Rce7 30. Kb1 Bf4 31. Ka1 h5 32. Kb1 h4 33. Ka1 Kd7 34. Kb1 Nd2+ 0-1

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.18"]
[Round "5.55"]
[White "Staffeldt, Sven"]
[Black "Herms Agullo, Jordi"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1681"]
[BlackElo "2123"]
[PlyCount "64"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 d5 2. d4 Nf6 3. Nf3 c6 4. e3 Bg4 5. Nbd2 e6 6. Be2 Nbd7 7. c4 Bxf3 8. Nxf3 Bd6 9. c5 Bc7 10. b4 Ne4 11. Qc2 g5 12. Bd3 f5 13. Bxe4 fxe4 14. Nxg5 Qf6 15. Nxe4 dxe4 16. Qxe4 a5 17. b5 Nxc5 18. Qb1 Na4 19. Qc2 Nb6 20. bxc6 bxc6 21. Qxc6+ Kd8 22. Ba3 Rc8 23. Rc1 Qf5 24. Bd6 Bxd6 25. Qxd6+ Nd7 26. Rxc8+ Kxc8 27. 0-0 Qd5 28. Rc1+ Kd8 29. Qc7+ Ke7 30. Rc6 Rg8 31. g3 Rb8 32. Rd6 Qxd6 0-1

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.17"]
[Round "4.72"]
[White "Stiewe, Frank"]
[Black "Staffeldt, Sven"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1392"]
[BlackElo "1681"]
[PlyCount "84"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bg5 Be7 8. c3 Nd5 9. Bxe7 Qxe7 10. Ne5 Bd7 11. Qf3 0-0-0 12. Qxf7 Qh4 13. Qf3 Rhf8 14. g3 Rxf3 15. gxh4 Rf4 16. h5 Rdf8 17. f3 Rh4 18. Rg1 Rg8 19. h6 Rxh6 20. Rh1 Rf6 21. 0-0-0 Rgf8 22. Re1 Nf4 23. Bc4 a6 24. Bd3 g5 25. Bc2 h6 26. Be4 Be8 27. Kd2 Bh5 28. h3 Ng6 29. Ng4 Bxg4 30. fxg4 Rf2+ 31. Kc1 Nf4 32. Kb1 c6 33. a3 Kc7 34. h4 Ng2 35. Bxg2 Rxg2 36. hxg5 hxg5 37. Rxe6 Rff2 38. Rh7+ Kb6 39. Ree7 Rxb2+ 40. Kc1 Rbc2+ 41. Kd1 Ra2 42. Rxb7+ Ka5 0-1

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.16"]
[Round "3.71"]
[White "Staffeldt, Sven"]
[Black "Neumann, Martin2"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1681"]
[BlackElo "1354"]
[PlyCount "70"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. d4 e6 4. e3 c5 5. c3 c4 6. b3 b5 7. a4 bxa4 8. bxc4 dxc4 9. Qxa4+ Bd7 10. Qxc4 Bd6 11. Bd3 0-0 12. 0-0 a6 13. Ba3 Bb5 14. Qb3 Bxd3 15. Bxd6 Qxd6 16. Re1 Nbd7 17. c4 Be4 18. Nbd2 Rfb8 19. Nxe4 Nxe4 20. Qd3 f5 21. Ra5 Rb2 22. Rea1 Qb4 23. d5 Ndc5 24. Qd1 Qxc4 25. dxe6 Qxe6 26. Ne5 Rd2 27. Qxd2 Nxd2 28. Rxc5 Nb3 29. Rc6 Qxc6 30. Nxc6 Nxa1 31. Ne7+ Kf7 32. Nxf5 a5 33. Nd4 a4 34. Kf2 Nb3 35. Nb5 a3 0-1

[Event "Berlin Lichtenberger Sommer 3th"]
[Site "Berlin"]
[Date "2004.08.15"]
[Round "2.51"]
[White "Federau, Juergen"]
[Black "Staffeldt, Sven"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2136"]
[BlackElo "1681"]
[PlyCount "120"]
[EventDate "2004.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 Nbd7 6. 0-0 0-0 7. Nbd2 c5 8. Re1 a6 9. a4 b6 10. Nf1 Bb7 11. Ng3 cxd4 12. cxd4 e5 13. dxe5 dxe5 14. b4 Rc8 15. Bb2 Ng4 16. h3 Nh6 17. Qe2 a5 18. Bb5 f6 19. Red1 Rc7 20. Rac1 Bc8 21. Qd2 Nf7 22. Rxc7 Qxc7 23. bxa5 bxa5 24. Bc3 Rd8 25. Bxa5 Nb6 26. Qe1 Rxd1 27. Qxd1 Qa7 28. Bb4 Ba6 29. Qd3 Bxb5 30. Qxb5 Nd7 31. Nd2 Bf8 32. Nb3 Bxb4 33. Qxb4 Qb8 34. Qxb8+ Nxb8 35. Kf1 Kf8 36. Ke2 Na6 37. Kd3 Nd6 38. Kc3 Ke7 39. f3 Kd7 40. Nf1 Kc6 41. Ne3 f5 42. exf5 gxf5 43. Nc4 Nf7 44. Nba5+ Kc5 45. Nb2 Kd6 46. Nac4+ Kc5 47. Nd3+ Kd5 48. Ne3+ Ke6 49. Nb4 Nc7 50. Kc4 Nd6+ 51. Kc5 Kd7 52. Ned5 Ne6+ 53. Kb6 Nc4+ 54. Ka7 Kd6 55. Nf6 Nf4 56. Nxh7 Nxg2 57. Ng5 Nh4 58. Nc2 Kc5 59. Kb7 Nd6+ 60. Kc7 Nc4 1/2-1/2

[Event "NRW-ch U20"]
[Site "Muenster"]
[Date "1994.??.??"]
[Round "5"]
[White "Duchhardt, Christoph"]
[Black "Staffeldt, Sven"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "94"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Bg4 5. h3 Bxf3 6. Qxf3 e5 7. d5 Nd7 8. Bb5 Qe7 9. Na3 Nh6 10. Nc4 f5 11. Qe2 0-0 12. Bxd7 Qxd7 13. 0-0 f4 14. f3 b6 15. Na3 a6 16. Nc2 g5 17. Nb4 a5 18. Nc6 Nf7 19. b4 Nd8 20. Nxd8 Rfxd8 21. Qc2 h5 22. Qe2 Bf6 23. Kf2 Kf7 24. Ke1 g4 25. hxg4 hxg4 26. b5 Rh8 27. Kd2 Rh2 28. a4 Rg8 29. Rg1 gxf3 30. Qxf3 Rg3 31. Qe2 Qg4 32. Qxg4 Rxg4 33. Ba3 Rgxg2+ 34. Rxg2 Rxg2+ 35. Kd3 f3 36. Rf1 f2 37. Ke2 Bh4 38. Bc1 Kg6 39. Be3 Kh5 40. Kf3 Rg1 41. Rxg1 fxg1Q 42. Bxg1 Be1 43. c4 Bc3 44. Be3 Be1 45. Bc1 Bb4 46. Kg3 Be1+ 47. Kh3 Bh4 1/2-1/2

[Event "NRW-ch U20"]
[Site "Muenster"]
[Date "1994.??.??"]
[Round "3"]
[White "Gruermann, Martin"]
[Black "Staffeldt, Sven"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "74"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 0-0 6. Qd2 e5 7. Nge2 c6 8. 0-0-0 Qc7 9. g4 Bxg4 10. fxg4 Nxg4 11. Bh3 Nxe3 12. Qxe3 exd4 13. Nxd4 Nd7 14. Bxd7 Qxd7 15. Qd3 Rad8 16. Rhf1 b5 17. Nce2 a6 18. Nf4 c5 19. Nde2 c4 20. Qh3 Qxh3 21. Nxh3 Rfe8 22. Ng3 h5 23. Rfe1 Bh6+ 24. Kb1 d5 25. c3 h4 26. Nf1 dxe4 27. Rxd8 Rxd8 28. Kc2 f5 29. Rd1 Rxd1 30. Kxd1 Kf7 31. Ng1 Ke6 32. Ne2 Kd5 33. b3 f4 34. Nd4 Bg7 35. Ne2 g5 36. Kc2 e3 37. h3 Ke4 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Hoentjen, Jan Willem"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. e4 c6 5. Nc3 Nd7 6. Be2 Qc7 7. 0-0 Ngf6 8. h3 0-0 9. Be3 b6 10. Qc2 Bb7 11. Rfd1 Rac8 12. Rac1 Rfd8 13. a3 e5 14. dxe5 dxe5 15. Qa4 Bf8 16. b4 a5 17. Qb3 axb4 18. axb4 Qb8 19. Qb1 Qa8 20. Rd2 c5 21. Ra2 Qb8 22. b5 Bg7 23. Nd5 Nxd5 24. exd5 Nf6 25. Nd2 Ne8 26. Qc2 Qc7 27. Rd1 f5 28. Nf1 Nd6 29. Bc1 Qe7 30. Bd3 Ra8 31. Rxa8 Rxa8 32. Bb2 Ra2 33. Rb1 e4 34. Be2 Qf6 35. Bxf6 Rxc2 36. Bd1 Rxc4 37. Bd8 Bxd5 38. Bb3 Rb4 39. Bxd5+ Kf8 40. Rxb4 cxb4 41. Bxb6 Bc3 42. Bc5 Ke7 43. Ne3 Kd7 44. b6 f4 45. Nd1 e3 46. fxe3 fxe3 47. Nxe3 b3 48. Nd1 Nb5 49. Nxc3 Nxc3 50. Bxb3 Kc6 51. Bf2 Ne4 52. Bd5+ 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "4"]
[White "Janse, Jan Jaap"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "A41"]
[PlyCount "91"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 Nd7 5. Bc4 Ngf6 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qf7 10. Nxa8 Nh5 11. Bg3 Qd5 12. Qf3 Qa5+ 13. Nc3 Ndf6 14. Qe2 Kf7 15. Qb5 Qd8 16. Nd5 Nxd5 17. Qxd5+ Be6 18. Qxb7 Qa5+ 19. c3 Bd5 20. Qb4 Qd8 21. Nb6 axb6 22. f3 Qa8 23. Kd2 Nf6 24. c4 Bxf3 25. gxf3 Qxf3 26. Rhf1 Qg4 27. Rf4 Qe6 28. Qb3 Bh6 29. Rf3 Kg7 30. Raf1 Rf8 31. Qd3 Ne4+ 32. Kc2 Rxf3 33. Rxf3 Qg4 34. Qf1 Nxg3 35. Rxg3 Qe4+ 36. Qd3 Qh1 37. Qe2 Qe4+ 38. Kc3 e5 39. Qd3 Qa8 40. dxe5 dxe5 41. Qd5 Qe8 42. Rf3 e4 43. Rf2 Qe7 44. Qd4+ Kg8 45. Kc2 Bg7 46. Qd5+ 1-0

[Event "NRW-ch U20"]
[Site "Muenster"]
[Date "1994.??.??"]
[Round "2"]
[White "Kuper, Stefan"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "61"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Bg4 5. Be2 Nd7 6. 0-0 c5 7. c3 Qb6 8. d5 Ngf6 9. Nbd2 0-0 10. h3 Bxf3 11. Bxf3 Ne8 12. Qe2 e6 13. Bg4 Nc7 14. Nc4 Qa6 15. dxe6 fxe6 16. Rd1 d5 17. exd5 exd5 18. Bxd7 Rad8 19. Bg4 Qxc4 20. Qe7 Nb5 21. Be6+ Kh8 22. Qxb7 Rb8 23. Qxd5 Qxd5 24. Bxd5 Nxc3 25. bxc3 Bxc3 26. Bd2 Bxa1 27. Rxa1 h5 28. Re1 Kh7 29. Re7+ Kh6 30. f5+ g5 31. h4 1-0

[Event "NRW-ch U20"]
[Site "Muenster"]
[Date "1994.??.??"]
[Round "6"]
[White "Lamby, Philipp"]
[Black "Staffeldt, Sven"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "73"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nd7 5. 0-0 c6 6. Nc3 Ngf6 7. h3 Qc7 8. Bg5 0-0 9. Qd2 Re8 10. a4 e5 11. Rad1 exd4 12. Nxd4 Nxe4 13. Qe3 Ndf6 14. Nxe4 Nxe4 15. Bf3 d5 16. Bh6 Bd7 17. Bxg7 Kxg7 18. Qd3 Re7 19. c4 Rae8 20. cxd5 cxd5 21. Nb5 Bxb5 22. Qxb5 Nf6 23. Bxd5 Nxd5 24. Qxd5 Qb6 25. b3 Qe6 26. Qxe6 Rxe6 27. Rd7 R6e7 28. Rfd1 Kf6 29. Kh2 Rxd7 30. Rxd7 Re7 31. Rd4 Re5 32. Kg3 b5 33. Rd6+ Re6 34. Rd7 bxa4 35. Rxa7 axb3 36. Rb7 Kg5 37. Rxb3 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "Ooyink, Victor"]
[Black "Staffeldt, Sven"]
[Result "0-1"]
[ECO "E73"]
[PlyCount "60"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Be3 0-0 6. Be2 e5 7. d5 Ne8 8. g4 a6 9. f3 Bd7 10. a4 Bh6 11. Bf2 f5 12. h4 fxg4 13. fxg4 Qf6 14. Nh3 Bf4 15. g5 Qf7 16. Bg4 Bxg4 17. Qxg4 Ng7 18. Ne2 Nh5 19. Bg3 Be3 20. Qe6 Qxe6 21. dxe6 Nc6 22. Bf2 Bxf2+ 23. Nxf2 Rae8 24. Ng4 Rxe6 25. 0-0-0 Nd4 26. Nxd4 exd4 27. Rxd4 Rf4 28. Ne3 Rfxe4 29. Rxe4 Rxe4 30. Re1 Rxh4 0-1

[Event "NRW-ch U20"]
[Site "Muenster"]
[Date "1994.??.??"]
[Round "7"]
[White "Staffeldt, Sven"]
[Black "Boos, Markus"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "74"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 d5 3. e3 Nf6 4. Nf3 g6 5. c4 Bg7 6. cxd5 Qxd5 7. Bc4 Qd8 8. 0-0 0-0 9. Nc3 Nc6 10. Ne2 Na5 11. Rc1 Nxc4 12. Rxc4 b6 13. d4 Ba6 14. Rc2 Ne4 15. Ba3 cxd4 16. Nfxd4 Bxd4 17. Qxd4 Qxd4 18. exd4 Rfc8 19. Rxc8+ Rxc8 20. Rc1 Rxc1+ 21. Nxc1 Kf8 22. f3 Nc3 23. Bb2 Nd1 24. Ba1 Ke8 25. a3 Kd7 26. Na2 h6 27. Nc3 Ne3 28. Kf2 Nc2 29. Bb2 Nxd4 30. b4 Nf5 31. Ne4 Bb7 32. g4 Bxe4 33. fxe4 Nd6 34. Kf3 Nc4 35. Bc1 g5 36. h4 gxh4 37. a4 Ne5+ 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "3"]
[White "Staffeldt, Sven"]
[Black "Brunner, Karg"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "77"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 f6 3. a3 c5 4. b5 d5 5. c4 d4 6. e3 b6 7. exd4 exd4 8. Qf3 Qe7+ 9. Be2 Bb7 10. Qh3 d3 11. Qxd3 Bxg2 12. Nf3 Bxh1 13. Qd5 Bxf3 14. Qxf3 Qc7 15. Qxa8 Bd6 16. Nc3 Ne7 17. 0-0-0 0-0 18. h4 Nbc6 19. Nd5 Rxa8 20. Nxc7 Bxc7 21. bxc6 Rc8 22. Bf3 Bf4 23. Rg1 Kf7 24. Bd5+ Kf8 25. Rg4 Bd6 26. h5 Rc7 27. h6 Ng6 28. hxg7+ Kxg7 29. Re4 Ne5 30. Kc2 a6 31. f4 Ng4 32. Re6 Be7 33. Bf3 h5 34. d4 Nh6 35. Bxh5 Nf5 36. d5 b5 37. Bg4 Nd4+ 38. Bxd4 cxd4 39. Rxe7+ 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "1"]
[White "Staffeldt, Sven"]
[Black "Doggers, Peter"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "60"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Be2 d5 5. c4 Bd6 6. cxd5 Nxd5 7. Nf3 0-0 8. 0-0 Be6 9. d4 e4 10. Nfd2 f5 11. Nc3 Qg5 12. g3 Rf6 13. Ncxe4 fxe4 14. Nxe4 Qh6 15. Nxf6+ Nxf6 16. e4 Nxe4 17. d5 Bc5 18. dxe6 Nxf2 19. Rxf2 Rf8 20. Bf3 Qe3 21. Bxc6 Rxf2 22. Kh1 bxc6 23. Qg4 Rxb2 24. e7 Qxe7 25. Rd1 Qe2 26. Rd8+ Bf8 27. Qxe2 Rxe2 28. Rc8 Rxa2 29. Rxc7 c5 30. Rb7 Rb2 0-1

[Event "NRW-ch U20"]
[Site "Muenster"]
[Date "1994.??.??"]
[Round "4"]
[White "Staffeldt, Sven"]
[Black "Mielke, Moritz"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "84"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b4 Nf6 2. Nf3 g6 3. Bb2 Bg7 4. c4 0-0 5. e3 d6 6. Nc3 c6 7. d4 Qc7 8. Bd3 Nbd7 9. 0-0 e5 10. c5 d5 11. dxe5 Nxe5 12. Nb5 Nxf3+ 13. Qxf3 Qe7 14. Nd6 Ne8 15. Bxg7 Kxg7 16. Nxe8+ Rxe8 17. Qf4 f6 18. Qd4 Qe5 19. a4 Bf5 20. Qxe5 fxe5 21. Bxf5 gxf5 22. Rfd1 Kf6 23. Kf1 Ke6 24. a5 a6 25. Rd3 Rg8 26. f4 Rg4 27. g3 Rag8 28. Ra2 h5 29. Rg2 Re8 30. Re2 Kf6 31. Re1 exf4 32. exf4 Re4 33. Rxe4 fxe4 34. Rd4 Kf5 35. Kf2 h4 36. Rd1 Rg7 37. Kg2 hxg3 38. hxg3 Rh7 39. Rh1 Rxh1 40. Kxh1 e3 41. Kg2 Ke4 42. Kf1 d4 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "5"]
[White "Staffeldt, Sven"]
[Black "Spoelstra, Sverre"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "133"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e3 g6 4. f4 Bg7 5. Nf3 Bg4 6. Be2 Nd7 7. fxe5 Bxf3 8. Bxf3 Nxe5 9. 0-0 Nh6 10. Bxe5 dxe5 11. Bxb7 Rb8 12. Bc6+ Ke7 13. Nc3 e4 14. Bxe4 Bxc3 15. dxc3 Qxd1 16. Raxd1 Rhd8 17. Rd4 f5 18. Bf3 Nf7 19. Rfd1 Nd6 20. e4 fxe4 21. Bxe4 Kf6 22. a4 Re8 23. Bc6 Re5 24. Rf1+ Ke6 25. Rdf4 Nf5 26. g4 Ne3 27. Rf6+ Ke7 28. Rf7+ Kd6 29. R1f6+ Re6 30. Rd7+ Kxc6 31. Rxe6+ Kxd7 32. Rxe3 Rf8 33. Kg2 Rf4 34. Rd3+ Kc6 35. Rd4 Rf6 36. c4 a6 37. h4 Re6 38. Kf2 Re5 39. c3 g5 40. hxg5 Rxg5 41. Rf4 Rg6 42. a5 Re6 43. g5 Kb7 44. c5 Rg6 45. Rf6 Rxg5 46. c6+ Kb8 47. Rf8+ Ka7 48. Rf7 Kb8 49. Rf8+ Ka7 50. Rf7 Kb8 51. Rxh7 Rg8 52. Ke3 Rg6 53. Rh8+ Ka7 54. Rh5 Rxc6 55. Rc5 Rxc5 56. bxc5 Kb7 57. Kd4 c6 58. Ke5 Kc7 59. Ke6 Kc8 60. Kd6 Kb7 61. Kd7 Kb8 62. Kxc6 Ka7 63. c4 Ka8 64. Kd7 Kb7 65. c6+ Kb8 66. c7+ Ka7 67. c5 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "8"]
[White "Staffeldt, Sven"]
[Black "Visser, Bert Steffen"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "110"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. c4 Be7 5. Nf3 0-0 6. Be2 b6 7. 0-0 Bb7 8. Qc2 Nbd7 9. d4 exd4 10. exd4 Be4 11. Qb3 c5 12. dxc5 dxc5 13. b5 Qc7 14. Nbd2 Bb7 15. Bd3 Rfe8 16. Rfe1 Bd6 17. Qc3 Bf8 18. Qc2 g6 19. Ne4 Bg7 20. Rad1 Nxe4 21. Bxe4 Bxe4 22. Rxe4 Bxb2 23. Rxe8+ Rxe8 24. Qxb2 Ne5 25. Nxe5 Qxe5 26. Qxe5 Rxe5 27. f3 Re2 28. a4 Ra2 29. a5 Rxa5 30. Rd2 Ra3 31. Rc2 Kf8 32. Kf2 Rd3 33. Ke2 Rd4 34. g3 Kg7 35. h3 Kf6 36. Rc3 Ke5 37. Re3+ Kf6 38. Rc3 Ke6 39. Re3+ Kd6 40. Rd3 Rxd3 41. Kxd3 f5 42. Ke3 Ke5 43. f4+ Kd6 44. g4 Kc7 45. gxf5 gxf5 46. Kf3 Kb7 47. Kg3 a5 48. bxa6+ Kxa6 49. Kh4 b5 50. cxb5+ Kxb5 51. Kg5 c4 52. Kxf5 c3 53. Ke6 c2 54. f5 c1Q 55. f6 Qe3+ 0-1

[Event "NRW-ch U20"]
[Site "Muenster"]
[Date "1994.??.??"]
[Round "1"]
[White "Staffeldt, Sven"]
[Black "Von Kap herr, Alexander"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "44"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 f5 4. e3 g6 5. h4 h5 6. f4 Bg7 7. Nf3 d6 8. Be2 Nh6 9. Ng5 0-0 10. 0-0 Bd7 11. Nc3 exf4 12. exf4 Nd4 13. Bxh5 gxh5 14. Qxh5 Be8 15. Qd1 Ng4 16. Nd5 Bc6 17. Ne3 Qd7 18. Nxg4 fxg4 19. Kh2 Rae8 20. Bxd4 Bxd4 21. Rc1 Qf5 22. Qc2 Re2 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "Toirkens, Kristian"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "75"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be3 c6 6. Be2 0-0 7. 0-0 Qc7 8. Nd2 e5 9. Nb3 Ne8 10. Bc4 b5 11. Be2 a5 12. d5 b4 13. Nb1 cxd5 14. exd5 f5 15. c3 f4 16. Bd2 e4 17. Nc1 Qf7 18. f3 e3 19. Be1 Ba6 20. g3 g5 21. Bxa6 Nxa6 22. Ne2 h5 23. gxf4 gxf4 24. Kh1 Nec7 25. a3 Kh8 26. axb4 axb4 27. cxb4 Rg8 28. Bc3 Bxc3 29. Nbxc3 Qf5 30. Qd4+ Kh7 31. Qe4 Raf8 32. Qxf5+ Rxf5 33. b5 Nb4 34. Ra7 Nd3 35. Rxc7+ Kh8 36. Ne4 Rxd5 37. h4 Rxb5 38. Nf6 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "6"]
[White "Van der Laan, Dinard"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. g3 Bg7 4. Bg2 Nd7 5. Ne2 e5 6. 0-0 Ne7 7. c3 0-0 8. Na3 f5 9. exf5 Rxf5 10. Nc4 Qf8 11. Bh3 Rf3 12. Nf4 Rxf4 13. gxf4 exf4 14. Re1 Nb6 15. Bxc8 Rxc8 16. Nxb6 axb6 17. Qg4 Qf5 18. Qxf5 Nxf5 19. Bxf4 Rf8 20. Bg3 h5 21. h3 h4 22. Bh2 c5 23. dxc5 bxc5 24. Rad1 Rd8 25. Rd5 Kf7 26. Red1 Ke6 27. Rxc5 Ra8 28. Rb5 Rxa2 29. Rxb7 Be5 30. Bxe5 Kxe5 31. Rb4 Ra5 32. Kg2 Ra8 33. Kf3 Rf8 34. Re4+ Kf6 35. Ke2 Rb8 36. Rb1 d5 37. Rg4 d4 38. cxd4 Rb3 39. f3 Re3+ 40. Kf2 Rd3 41. Rbg1 Rd2+ 42. Ke1 Rxb2 43. Rxg6+ Kf7 44. R6g2 Rb3 45. Rg4 Rxf3 46. Rf1 Rxf1+ 47. Kxf1 Ne3+ 48. Kg1 Nxg4 49. hxg4 Ke6 50. Kg2 Kd5 51. g5 Ke6 52. Kh3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "3"]
[White "Keijser, Astrid"]
[Black "Staffeldt, Sven"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "21"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bc4 Bc5 4. d3 Nf6 5. c3 d5 6. exd5 Nxd5 7. Qb3 Be6 8. Qxb7 Kd7 9. Bb5 Nde7 10. Nxe5+ Kd6 11. Nxc6 1-0

