[Event "Moscow GM-Young M"]
[Site "Moscow"]
[Date "1972.??.??"]
[Round "?"]
[White "Spassky, Boris Vasilievich"]
[Black "Efimov, Igor"]
[Result "1-0"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Be3 Nf6 8. O-O Be7 9.
Qe2 O-O 10. f4 Nxd4 11. Bxd4 Bc5 12. Bxc5 Qxc5+ 13. Kh1 d6 14. e5 dxe5 15. fxe5 Nd5 16.
Ne4 Qe3 17. Qg4 Qh6 18. Rae1 Ne3 19. Rxe3 Qxe3 20. Nf6+ Kh8 21. Nxh7 Rd8 22. Ng5 Kg8 23.
Qh5 Rd7 24. Qh7+ Kf8 25. Qh8+ 1-0