[Event "URS-ch25 Final"]
[Site "Riga"]
[Date "1958.02.06"]
[Round "15"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. Qe2 O-O 6. d3 d5 7. Bb5 dxe4 8. dxe4 Qe7 9. Bg5 Nd8 10. Bc1 Bg4 11. h3 Bh5 12. g4 Bg6 13. Bd3 Bd6 14. Nh4 Ne6 15. Nf5 Bxf5 16. exf5 Nf4 17. Bxf4 exf4 18. Nd2 h6 19. Rg1 Kh8 20. Kf1 1/2-1/2