[Event "October Revolution 50years"]
[Site "Moscow"]
[Date "1967.06.08"]
[Round "13"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris Vasilievich"]
[Result "1-0"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. Ng3 O-O 7. e4 Nc6 8. Bd3 d5 9. cxd5 Bxd3 10. Qxd3 exd5 11. e5 Ne4 12. a3 Bxc3+ 13. bxc3 f5 14. Ne2 Na5 15. h4 Nb3 16. Rb1 Nxc1 17. Rxc1 f4 18. Qf3 Qe7 19. c4 c6 20. cxd5 cxd5 21. Nxf4 Qd7 22. g3 Qb5 23. Qe2 Qa5+ 24. Kf1 Qxa3 25. Kg2 Rf7 26. Rc2 Raf8 27. Rhc1 h6 28. Qg4 Qa4 29. e6 Rxf4 30. gxf4 Qxd4 31. Rd1 Qf6 32. Rc7 Nc5 33. f5 Qe5 34. Rxa7 h5 35. Qg6 d4 36. Re1 Qf6 37. Qxf6 gxf6 38. Kf3 d3 39. Rg1+ Kh8 40. Rgg7 1-0