43rd USSR Championship — Yerevan 1975ROUND 4
[Event "URS-ch43 Final"]
[Site "Yerevan"]
[Date "1975.??.??"]
[Round "4"]
[White "Tal, Mihail"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 c5 5. a3 Ba5 6. g3 Nc6 7. Bg2 O-O 8. O-O Qe7 9. d3 d6 10. Rb1 h6 11. Na2 d5 12. b4 Bb6 13. cxd5 exd5 14. Bb2 cxb4 15. Nxb4 Nxb4 16. axb4 Bg4 17. Ne5 d4 18. Nc4 Qxe2 19. Qxe2 Bxe2 20. Rfe1 Bxd3 21. Nxb6 axb6 22. Rbd1 Bc2 23. Rxd4 Ra2 24. Bc1 Ra1 25. Bxb7 Re8 26. Rf1 Be4 27. Bxe4 Rxe4 28. Rxe4 Nxe4 29. Be3 Ra4 30. Bxb6 1/2-1/2