[Event "Zuerich"]
[Site "Zuerich"]
[Date "1961.05.27"]
[Round "1"]
[White "Christoffel, Martin"]
[Black "Schmid, Lothar"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd2 Nf5 6. Bd3 Nc6 7. Nge2 O-O 8. Nb5 Be7 9. c3 a6 10. Na3 Bxa3 11. bxa3 Na5 12. Qa4 b6 13. O-O Bd7 14. Qc2 Bb5 15. Rae1 Bxd3 16. Qxd3 Nc4 17. Bc1 f6 18. Nf4 Qd7 19. exf6 Rxf6 20. Nxe6 Rxe6 21. Qxf5 Rae8 22. g3 Qf7 23. Rxe6 Qxe6 24. Qf3 b5 25. Kg2 c6 26. h4 a5 27. h5 h6 28. Rh1 Qe2 29. Rh4 Qxf3+ 30. Kxf3 Re1 31. Bf4 Ra1 32. Rg4 Kf7 33. Rg6 Rxa2 34. Rxc6 Rxa3 35. Rc7+ Kg8 36. Kg4 b4 37. cxb4 axb4 38. Rc8+ Kf7 39. Rc7+ Ke6 40. Rc6+ Kd7 41. Rc7+ Kd8 42. Rxg7 1/2-1/2