[Event "Alekhine memorial"]
[Round "7"]
[Site "Moscow"]
[Date "1971.12.03"]
[White "Olafsson, Fridrik"]
[WhiteElo "2570"]
[Black "Stein, Leonid"]
[BlackElo "2605"]
[Result "1/2-1/2"]
[ECO "B33"]
[Opening "Sicilian, Sveshnikov (Lasker-Pelikan) Variation"]
 1. e4   c5
 2. Nf3  Nc6
 3. d4   cxd4
 4. Nxd4 Nf6
 5. Nc3  d6
 6. Bc4  Qb6
 7. Nb3  e6
 8. O-O  Be7
 9. Be3  Qc7
10. f4   a6
11. Bd3  b5
12. a4   b4
13. Nb1  a5
14. N1d2 O-O
15. Kh1  e5
16. f5   d5
17. Qf3  Rd8
18. Qg3  Kh8
19. Rae1 Ba6
20. Bxa6 Rxa6
21. Bg5  Nh5
22. Qd3  Raa8
23. Bxe7 Nxe7
24. exd5 Rxd5
25. Qe2  Nf6
26. Nc4  Nc6
27. Ne3  Rd7
28. Rd1  Nd4
29. Qc4  Qd8
30. Nc5  Rc7
31. c3   bxc3
32. bxc3 Qe7
33. cxd4 exd4
34. Qxd4 Rxc5
35. Nc4  Rd5
36. Qe3  Qxe3
37. Nxe3 Rc5
38. Rd3  Re8
39. h3   h6
40. Rf4  Rec8
1/2-1/2