[Event "USSR Championship"]
[Site "Riga URS"]
[Date "1970.11.30"]
[EventDate "1970.??.??"]
[Round "4"]
[Result "1-0"]
[White "Igor Arkadievich Zaitsev"]
[Black "Oleg Dementiev"]
[ECO "B90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "39"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6
7. Be3 b5 8. Bb3 Qc7 9. f4 b4 10. Na4 Nbd7 11. f5 e5 12. Ne6
fxe6 13. fxe6 Nc5 14. Nxc5 dxc5 15. O-O c4 16. Rxf6 gxf6
17. Qh5+ Ke7 18. Qf7+ Kd6 19. e7+ Qxe7 20. Qxc4 1-0