[Event "Chigorin Memorial-11"]
[Site "Sochi"]
[Date "1976.??.??"]
[Round "6"]
[White "Polugaevsky, Lev"]
[Black "Estevez Morales, Guillermo"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2360"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5 5. d3 bxc4 6. dxe4 h6 7. Nf3 Bb7 8. e5 Ne4 9. e3 Bb4 10. Qc2 Qe7 11. Bxc4 Ng5 12. Nxg5 hxg5 13. Bd2 Bxc3 14. Bxc3 Bxg2 15. Rg1 Bf3 16. Qf5 g4 17. Be2 g6 18. Qf4 Qe6 19. Bxf3 gxf3 20. Rg3 Nc6 21. Rxf3 Rb8 22. Rd1 Rh5 23. Qa4 Rxe5 24. Bxe5 Nxe5 25. Rf4 Rxb2 26. Qxa7 Qc6 27. e4 Qc3+ 28. Kf1 Qh3+ 29. Kg1 Nf3+ 30. Rxf3 Qxf3 31. Qd4 Kf8 32. Qh8+ Ke7 33. Qe5+ Kf8 1/2-1/2