[Event "Zuerich"]
[Site "Zuerich"]
[Date "1961.05.28"]
[Round "2"]
[White "Schmid, Lothar"]
[Black "Keller, Dieter"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d6 8. Nf3 Qa5 9. Bf4 dxe5 10. Nxe5 Nf6 11. Qe2 Bb4 12. Rc1 Qxa2 13. Nxc6 bxc6 14. g3 O-O 15. Be5 Nd7 16. Bd6 Bxc3+ 17. bxc3 Qxe2+ 18. Bxe2 Re8 19. Bf3 a5 1/2-1/2