[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2007.11.09"]
[Round "4"]
[White "Wittenburg, Samuel"]
[Black "Bilow, Albrecht"]
[Result "1-0"]
[ECO "A03"]
[BlackElo "1488"]
[PlyCount "81"]
[EventDate "2007.10.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. c3 Nc6 4. e3 a6 5. d4 e6 6. c4 dxc4 7. Bxc4 b5 8. Be2 Nf6 9. Ne5 Bb7 10. Bf3 Qc7 11. Qc2 c4 12. b3 Nxe5 13. fxe5 Bxf3 14. exf6 Bb7 15. 0-0 Rc8 16. b4 gxf6 17. a3 f5 18. Nc3 Bd6 19. g3 Qc6 20. d5 exd5 21. Qxf5 Rc7 22. e4 dxe4 23. Be3 Re7 24. Rad1 Bc8 25. Rxd6 Qxd6 26. Qxc8+ Qd8 27. Qc6+ Kf8 28. Bc5 Kg7 29. Nd5 Re6 30. Qb7 Rf8 31. Bxf8+ Qxf8 32. Nf4 Re7 33. Qxa6 c3 34. Qc6 c2 35. Nh5+ Kg8 36. Nf6+ Kg7 37. Qxc2 Qa8 38. Qc3 Kg6 39. h4 e3 40. Qd3+ Kg7 41. Qxh7+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2007.10.23"]
[Round "2"]
[White "Hoeper, Heinz Joachim"]
[Black "Wittenburg, Samuel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1513"]
[PlyCount "73"]
[EventDate "2007.10.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c3 c5 4. Bg5 Qb6 5. Qb3 c4 6. Qxb6 axb6 7. g3 Bd6 8. Bg2 h6 9. Bf4 Bxf4 10. gxf4 Nf6 11. Nbd2 0-0 12. Ne5 Nbd7 13. h4 Nh5 14. e3 Nxe5 15. fxe5 f6 16. Bf3 g6 17. Bxh5 gxh5 18. Rg1+ Kh7 19. f4 Bd7 20. exf6 Rxf6 21. Nf3 Ba4 22. Nd2 Bc2 23. Kf2 Rg6 24. a3 Rag8 25. Nf3 Be4 26. Rxg6 Rxg6 27. Rg1 Bxf3 28. Rxg6 Kxg6 29. Kxf3 Kf5 30. a4 Kf6 31. e4 Kg6 32. f5+ exf5 33. exd5 Kf6 34. Kf4 b5 35. axb5 b6 36. d6 Ke6 37. d7 1-0

