[Event "Alekhine memorial"]
[Round "4"]
[Site "Moscow"]
[Date "1971.11.28"]
[White "Stein, Leonid"]
[WhiteElo "2605"]
[Black "Smyslov, Vassily"]
[BlackElo "2620"]
[Result "1/2-1/2"]
[ECO "A22"]
[Opening "English Opening"]
 1. c4   e5
 2. Nc3  Nf6
 3. g3   Bb4
 4. Bg2  O-O
 5. e4   Nc6
 6. Nge2 Bc5
 7. O-O  d6
 8. d3   h6
 9. a3   a5
10. Rb1  Bd7
11. h3   Nh7
12. Kh2  f5
13. Be3  Bxe3
14. fxe3 fxe4
15. Nxe4 Rxf1
16. Qxf1 Qe7
17. N2c3 Rf8
18. Qe2  Be6
19. b4   axb4
20. axb4 Nd8
21. b5   c6
22. bxc6 bxc6
23. Qa2  Ng5
24. Qa3  Nxe4
25. Nxe4 Nf7
26. Rb6  Rc8
27. Qb4  Bf5
28. c5   Bxe4
29. Qxe4 dxc5
30. Rxc6 Rxc6
31. Qxc6 Qd6
32. Qe8+ Qf8
33. Qe6  Qd6
34. Qa2  Qxd3
35. Bd5  Qf1
36. h4   g6
1/2-1/2