[Event "USSR Championship"]
[Site "Riga URS"]
[Date "1970.12.10"]
[EventDate "1970.??.??"]
[Round "11"]
[Result "0-1"]
[White "Igor V Platonov"]
[Black "Viktor Korchnoi"]
[ECO "D83"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "54"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 dxc4
7. Bxc4 Nc6 8. Nf3 Na5 9. Qb4 Nxc4 10. Qxc4 c6 11. Be5 Bg4
12. Nd2 Be6 13. Qe2 Rc8 14. e4 Bh6 15. Nf3 b5 16. Qc2 Bg4
17. O-O Nh5 18. Ne2 Qd7 19. Qd3 c5 20. Rad1 c4 21. Qc3 f5
22. exf5 Rxf5 23. Ng3 Rf7 24. Nxh5 Bxh5 25. d5 Rcf8 26. Qd4
Rxf3 27. gxf3 Qh3 0-1