[Event "USSR Championship 1961a"] [Site "Moscow URS"] [Date "1961.01.30"] [EventDate "1961.??.??"] [Round "13"] [Result "1/2-1/2"] [White "Tigran Vartanovich Petrosian"] [Black "David Bronstein"] [ECO "D26"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "41"] 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. dxc5 Bd7 7. O-O Bxc5 8. Qe2 Bc6 9. Nc3 Bb4 10. Rd1 Nbd7 11. Bd2 O-O 12. a3 Bc5 13. Be1 Qc7 14. Nb5 Qb6 15. Nbd4 Bd5 16. Nb3 Rac8 17. Ba5 Bxc4 18. Qxc4 Qc6 19. Rac1 Rfe8 20. h3 b6 21. Nxc5 1/2-1/2