[Event "USSR Championship"] [Site "Riga URS"] [Date "1970.12.20"] [EventDate "1970.??.??"] [Round "17"] [Result "1/2-1/2"] [White "Vladimir Savon"] [Black "Yuri Averbakh"] [ECO "D79"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "45"] 1. g3 d5 2. Bg2 g6 3. c4 c6 4. cxd5 cxd5 5. d4 Nf6 6. Nf3 Bg7 7. O-O O-O 8. Nc3 Ne4 9. Nxe4 dxe4 10. Ne5 f6 11. Qb3+ e6 12. Nc4 Nc6 13. Be3 f5 14. Rad1 Qd5 15. f3 Bd7 16. a4 Rfc8 17. fxe4 fxe4 18. Nd2 Nxd4 19. Bxd4 Qxd4+ 20. e3 Qxa4 21. Qxb7 Rab8 22. Qxe4 Rxb2 23. Bh3 1/2-1/2