[Event "Tallinn"]
[Site "Tallinn"]
[Date "1973.02.28"]
[Round "7"]
[White "Polugaevsky, Lev"]
[Black "Pribyl, Josef"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nd7 8. Nf3 O-O 9. O-O c5 10. d4 Qa5 11. Qc2 Nb6 12. Nd2 cxd4 13. cxd4 Bf5 14. e4 Rac8 15. Qb2 Be6 16. Nb3 Qa4 17. Qa3 Bc4 18. Rd1 Rfd8 19. d5 e6 20. Qxa4 Nxa4 21. Bg5 Nc3 1/2-1/2