[Event "Zuerich op-B 07th"]
[Site "Zuerich"]
[Date "1983.??.??"]
[Round "3"]
[White "Mueller, Daniel"]
[Black "Knobel, Wilfried"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "79"]
[EventDate "1983.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Bb4 7. Nxc6 Bxc3+ 8. bxc3 bxc6 9. e5 Ne4 10. Qg4 Qa5 11. Qxe4 Qxc3+ 12. Ke2 Qxa1 13. Ba3 Qc3 14. Bd6 f5 15. exf6 Qxf6 16. Bd3 a5 17. Rb1 Kf7 18. Be5 Qf5 19. Qd4 Qg5 20. h4 Qxg2 21. Qf4+ Ke8 22. Be4 Ba6+ 23. Kd2 Qh3 24. Bxg7 Rg8 25. Qg5 Qa3 26. Bxh7 Qd6+ 27. Ke1 Rxg7 28. Qxg7 Qf8 29. Bg6+ Kd8 30. Qxf8+ Kc7 31. Qxa8 Bc4 32. Qxa5+ Kd6 33. Qb4+ Kd5 34. Rd1+ Ke5 35. Qxc4 Kf6 36. h5 d5 37. Qxc6 Ke5 38. Qc3+ Kd6 39. Rb1 Ke7 40. Rb7+ 1-0

[Event "Zuerich op-B 06th"]
[Site "Zuerich"]
[Date "1982.??.??"]
[Round "3"]
[White "Wettering, Gerd"]
[Black "Knobel, Wilfried"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "67"]
[EventDate "1982.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5 Bg4 5. Be2 Bxe2 6. Qxe2 Qxd4 7. Qb5+ Nbd7 8. Rd1 Qb6 9. Bxf6 Qxb5 10. Nxb5 Kd8 11. Bd4 a6 12. Nc3 e5 13. Bxe5 Kc8 14. Bd4 f5 15. Nge2 Rg8 16. Ng3 g6 17. 0-0 b6 18. f3 exf3 19. Rxf3 Nc5 20. Bxc5 Bxc5+ 21. Kf1 Bd6 22. Nd5 Kb7 23. Ne2 h5 24. Nef4 Raf8 25. Ne6 Rf7 26. Ng5 Rfg7 27. h4 Be5 28. c3 Rd7 29. Rfd3 Rdg7 30. Re1 Bd6 31. Nf6 Rc8 32. Ne8 Rd7 33. Nxd6+ cxd6 34. Re6 1-0

