[Event "Lenk op"]
[Site "Lenk"]
[Date "1992.??.??"]
[Round "?"]
[White "Luther, Thomas"]
[Black "Trefzer, Juerg"]
[Result "1-0"]
[ECO "C73"]
[WhiteElo "2435"]
[PlyCount "33"]
[EventDate "1992.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 exd4 7. Qxd4 Qf6 8. Qa4 Bd7 9. 0-0 Be7 10. Re1 Qg6 11. e5 d5 12. Nc3 Nh6 13. Bf4 Nf5 14. Rad1 h6 15. e6 fxe6 16. Ne5 Qf6 17. Ne4 1-0

[Event "Bern op"]
[Site "Bern"]
[Date "1991.??.??"]
[Round "8"]
[White "Trefzer, Juerg"]
[Black "Landis, A."]
[Result "1-0"]
[ECO "C30"]
[PlyCount "33"]
[EventDate "1991.02.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 021 Extra"]
[Source "ChessBase"]
[SourceDate "1991.05.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.05.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bd6 3. Nf3 Nc6 4. Bc4 Nge7 5. fxe5 Nxe5 6. Nxe5 Bxe5 7. d4 Bd6 8. e5 Bb4+ 9. c3 Ba5 10. 0-0 0-0 11. Qh5 Ng6 12. e6 dxe6 13. Qxa5 b6 14. Qh5 Bb7 15. Nd2 Qd6 16. Nf3 Be4 17. Ng5 1-0

[Event "Lenk op"]
[Site "Lenk"]
[Date "1991.??.??"]
[Round "1"]
[White "Trefzer, Juerg"]
[Black "Summermatter, Daniel"]
[Result "0-1"]
[ECO "C30"]
[BlackElo "2320"]
[PlyCount "56"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 Qf6 3. Nf3 Qxf4 4. Nc3 Qg4 5. Nxe5 Qxd1+ 6. Nxd1 d6 7. Nf3 Nf6 8. Nc3 g6 9. Bc4 Bg7 10. 0-0 0-0 11. a4 Nc6 12. d3 a6 13. a5 Bd7 14. Kh1 Rae8 15. Nd5 Nxd5 16. Bxd5 Be6 17. Bxe6 fxe6 18. Bd2 Re7 19. Ng5 h6 20. Rxf8+ Kxf8 21. Nf3 Rf7 22. h3 g5 23. Ra3 Nd4 24. Nxd4 Rf1+ 25. Kh2 Bxd4 26. Bc3 Bg1+ 27. Kg3 h5 28. Rb3 Rf4 0-1

[Event "Lenk op"]
[Site "Lenk"]
[Date "1990.??.??"]
[Round "9"]
[White "Trefzer, Juerg"]
[Black "Mueller, Leonhard1111"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "62"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Bg4 4. d4 cxd4 5. Qxd4 Nc6 6. Qd1 g6 7. Be2 Bg7 8. 0-0 Nf6 9. Nc3 0-0 10. Be3 a6 11. Rc1 Qa5 12. Qb3 Rfc8 13. a3 Qd8 14. Rfd1 Nd7 15. Nd5 Rab8 16. Bb6 Qf8 17. Bc7 Ra8 18. Nb6 Rxc7 19. Nxa8 Qxa8 20. Rd2 Bxf3 21. gxf3 Qc8 22. f4 Nc5 23. Qe3 b6 24. b4 Nd7 25. Bg4 Qd8 26. Rcd1 Nf6 27. Bf3 Qb8 28. e5 Ne8 29. exd6 Nxd6 30. Bxc6 Rxc6 31. Qxe7 Bf8 1-0

[Event "Bundesliga 2-1985/86 Sued"]
[Site "Germany South"]
[Date "1986.??.??"]
[Round "?"]
[White "Schurr, Walter"]
[Black "Trefzer, Juerg"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "87"]
[EventDate "1985.11.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 Nbd7 4. Nbd2 e6 5. c3 Be7 6. e3 h6 7. Bh4 c5 8. Bd3 b6 9. 0-0 Bb7 10. Qc2 Nh5 11. Bxe7 Qxe7 12. Ne5 Nhf6 13. f4 Rc8 14. Rae1 c4 15. Be2 b5 16. Bf3 Nb6 17. e4 Nfd7 18. exd5 Nxe5 19. Rxe5 Bxd5 20. Bxd5 Nxd5 21. f5 0-0 22. Qe4 Qd7 23. fxe6 fxe6 24. Rxe6 Rxf1+ 25. Nxf1 Rf8 26. g3 Qf7 27. Qe2 Qd7 28. Re5 a6 29. Ne3 Nf6 30. Nf5 Re8 31. Qf3 Kh7 32. Nh4 Qf7 33. Qc6 Rxe5 34. dxe5 Qd5 35. Qxd5 Nxd5 36. Kf2 g5 37. Nf5 Kg6 38. Ne3 Nc7 39. Kf3 h5 40. Ke4 g4 41. Nd5 Ne6 42. Nf4+ Kf7 43. Nxe6 Kxe6 44. Kd4 1-0

