[Event "Bern"]
[Site "Bern"]
[Date "1974.??.??"]
[Round "?"]
[White "Gereben, Erno"]
[Black "Wirthensohn, R."]
[Result "0-1"]
[ECO "E96"]
[PlyCount "38"]
[EventDate "1974.09.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Re1 c6 9. Bf1 a5 10. b3 exd4 11. Nxd4 Ng4 12. Qxg4 Bxd4 13. Qg3 f5 14. Bg5 f4 15. Qh4 Bxf2+ 16. Qxf2 Qxg5 17. Rad1 Ne5 18. Kh1 Ng4 19. Qg1 f3 0-1

[Event "Bern"]
[Site "Bern"]
[Date "1974.??.??"]
[Round "?"]
[White "Wirthensohn, R."]
[Black "Keller, Manfred"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "101"]
[EventDate "1974.09.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 c5 4. e3 Nc6 5. exd4 cxd4 6. g3 e5 7. Bg2 Bd6 8. 0-0 Nge7 9. b3 0-0 10. Ba3 a5 11. Bxd6 Qxd6 12. Nbd2 f5 13. a3 Bd7 14. Qc2 Qf6 15. c5 Ng6 16. Nc4 Rae8 17. Nd6 Re7 18. Rae1 Nd8 19. Re2 Bc6 20. Rfe1 Kh8 21. b4 axb4 22. axb4 Bxf3 23. Bxf3 e4 24. Bg2 Ne5 25. Qb1 Nxd3 26. Rd1 Nc6 27. b5 Nce5 28. Rc2 Nxc5 29. Rxc5 Qxd6 30. Qc2 d3 31. Qc3 h6 32. Rc8 Rd8 33. Bh3 Nf3+ 34. Kg2 Nd4 35. Rxd8+ Qxd8 36. Qc5 Rc7 37. Qe5 Re7 38. Qc5 Rc7 39. Qe5 Qd7 40. Ra1 Rc8 41. Qxe4 fxe4 42. Bxd7 Rd8 43. Bg4 Nxb5 44. Rb1 Nd6 45. Rd1 Nc4 46. Re1 Rd4 47. Bd1 b5 48. Bb3 g5 49. Ra1 Kg7 50. Bd1 Kf6 51. Bg4 0-1

