[Event "Chiasso op"]
[Site "Chiasso"]
[Date "1991.??.??"]
[Round "?"]
[White "Boegli, Ulrich"]
[Black "Widmer, Werner"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "52"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 d5 5. Bg5 Be7 6. e5 Nfd7 7. Bxe7 Qxe7 8. Nb5 Na6 9. Nd6+ Kf8 10. Qd2 f6 11. Bb5 cxd4 12. Qxd4 Nxe5 13. Nxc8 Nxf3+ 14. gxf3 Rxc8 15. 0-0-0 Qc5 16. Qxc5+ Nxc5 17. b4 a6 18. Be2 Na4 19. Rd2 b5 20. f4 Nc3 21. Bf3 f5 22. Kb2 Kf7 23. Bg2 Rc4 24. Rd3 Na4+ 25. Kb3 Rhc8 26. a3 Rxc2 0-1

[Event "Chiasso op"]
[Site "Chiasso"]
[Date "1991.??.??"]
[Round "8"]
[White "Rossi, Giampiero"]
[Black "Widmer, Werner"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2215"]
[PlyCount "45"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 g6 6. Bf4 Bg7 7. e3 0-0 8. h3 Bf5 9. Qb3 b6 10. Be2 Nc6 11. 0-0 Rc8 12. Rfc1 Na5 13. Qa3 Ne4 14. Nxe4 Bxe4 15. Nd2 f6 16. b4 e5 17. Rxc8 Qxc8 18. Rc1 Qb8 19. Bg3 Nb7 20. Qb3 f5 21. Nxe4 fxe4 22. Qxd5+ Kh8 23. Ba6 1-0

[Event "Mendrisio op"]
[Site "Mendrisio"]
[Date "1989.??.??"]
[Round "1"]
[White "Widmer, Werner"]
[Black "Kamber, Bruno"]
[Result "0-1"]
[ECO "A23"]
[BlackElo "2260"]
[PlyCount "50"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d4 exd4 7. Qxd4 Nc6 8. Qd1 d4 9. Ne4 Bb4+ 10. Bd2 Be7 11. Nxf6+ Bxf6 12. Rc1 0-0 13. Nf3 d3 14. Bc3 Bf5 15. e3 Be4 16. 0-0 Bxc3 17. Rxc3 Qd5 18. Nh4 Bxg2 19. Nxg2 Rad8 20. a3 Ne5 21. f4 Nc4 22. Qb3 b5 23. Rd1 d2 24. Rc2 Qf3 25. Rc3 Nxb2 0-1

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "1986.??.??"]
[Round "?"]
[White "Widmer, Werner"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[ECO "D38"]
[BlackElo "2445"]
[PlyCount "80"]
[EventDate "1986.??.??"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Nbd7 5. Nc3 Bb4 6. e3 c5 7. cxd5 exd5 8. Nd2 cxd4 9. exd4 0-0 10. Rc1 Qa5 11. Bxf6 Nxf6 12. a3 Re8+ 13. Be2 Bxc3 14. Rxc3 Qb6 15. Nb3 Bg4 16. f3 Bd7 17. Qd2 Bb5 18. Nc1 Bxe2 19. Nxe2 Qe6 20. Kf2 Re7 21. Re3 Qd6 22. Rxe7 Qxe7 23. Rc1 Re8 24. Rc3 Qd6 25. g3 Qb6 26. Nf4 h6 27. Rc5 Qb3 28. Rc3 Qa4 29. Rc5 Qb3 30. Rc3 Qb6 31. Rc5 Qd6 32. Rc3 g5 33. Ng2 Qd7 34. Re3 Rc8 35. Rc3 Rxc3 36. Qxc3 g4 37. Qe3 gxf3 38. Qxf3 Qc6 39. Nf4 Qc4 40. Ne2 Ne4+ 1/2-1/2

[Event "Biel-12 IM op"]
[Site "Biel"]
[Date "1979.07.??"]
[Round "?"]
[White "Widmer, Werner"]
[Black "Van der Lely"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "51"]
[EventDate "1979.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. f3 Nbd7 6. Be3 c6 7. a4 a5 8. Nge2 0-0 9. 0-0 Qc7 10. Qd2 d5 11. Bb3 dxe4 12. Nxe4 Nxe4 13. fxe4 e5 14. Rxf7 Rxf7 15. Rf1 Nf6 16. dxe5 Nd5 17. Rxf7 Qxf7 18. exd5 cxd5 19. Nf4 Kh8 20. Bxd5 Qe7 21. e6 g5 22. Nh5 Bxe6 23. Bd4 Rg8 24. Bxe6 Qxe6 25. Nxg7 Rxg7 26. Qc3 1-0

