[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.08"]
[Round "13"]
[White "Polugaevsky, Lev"]
[Black "Day, Lawrence A"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2350"]

1. c4 e6 2. g3 d5 3. Bg2 c5 4. Nf3 Nc6 5. cxd5 exd5 6. d4 Nf6 7. O-O Be7 8. Nc3 O-O 9. Bg5
c4 10. Ne5 Be6 11. Nxc6 bxc6 12. b3 Qa5 13. Na4 Rfd8 14. e3 c5 15. Bxf6 gxf6 16. dxc5 Bxc5
17. Qh5 Bf8 18. e4 Rab8 19. exd5 Bd7 20. Nb2 cxb3 21. axb3 Qb6 22. Nc4 Qxb3 23. Be4 h6 24.
Ne3 Qb4 25. Bf5 Bxf5 26. Nxf5 Rb7 27. Rad1 Kh7 28. Rd4 Qc5 29. Rfd1 Rdd7 30. Kg2 a5 31.
Qh4 Rb6 32. Qe4 Kh8 33. Nxh6 Rb4 34. Nf5 Rd8 35. Rxb4 axb4 36. Rd4 Bg7 37. Qg4 Qf8 38.
Qh5+ Kg8 39. Rh4 Qc5 40. Qh7+ 1-0