[Event "URS-ch37 Final"]
[Site "Moscow"]
[Date "1969.10.11"]
[Round "23"]
[White "Polugaevsky, Lev"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]

1. Nf3 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 e5 7. dxe5 Nfd7 8. Bb2 dxe5 9. c4 Nc6 10. Nc3 b6 11. Nd5 Re8 12. Qd2 Nc5 13. Rfe1 Bg4 14. h3 Bxf3 15. Bxf3 Nd4 16. Bxd4 exd4 17. Rad1 a5 18. Nf4 1/2-1/2