[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.31"]
[Round "6"]
[White "Walther, Edgar"]
[Black "Tal, Mihail"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9.
f4 d5 10. e5 Nd7 11. Bxe7 Qxe7 12. h4 Nb6 13. Be2 Bd7 14. g3 Rac8 15. Rhe1 a6 16. Bf1 Rc7
17. Qe3 Nxd4 18. Rxd4 Rfc8 19. Rd2 Qb4 20. Nd1 Ba4 21. Bd3 Bb5 22. Ree2 Qa4 23. Bxb5 Qxb5
24. Qb3 Qa5 25. a3 Rc4 26. Rd3 Qc5 27. Rc3 Rc7 28. Rxc4 Nxc4 29. Qb4 Qc6 30. Kb1 b5 31.
Nf2 a5 32. Qb3 b4 33. axb4 axb4 34. Nd3 Ra7 35. Nxb4 Qa8 36. c3 Ra1+ 37. Kc2 Na5 0-1