[Event "Alekhine memorial"]
[Round "11"]
[Site "Moscow"]
[Date "1971.12.08"]
[White "Byrne, Robert E"]
[WhiteElo "2510"]
[Black "Smyslov, Vassily"]
[BlackElo "2620"]
[Result "1/2-1/2"]
[ECO "C65"]
[Opening "Ruy Lopez, Berlin Defence including Mortimer Trap"]
 1. e4   e5
 2. Nf3  Nc6
 3. Bb5  Nf6
 4. Qe2  a6
 5. Bxc6 dxc6
 6. Nc3  Bd6
 7. d4   exd4
 8. Nxd4 O-O
 9. Bd2  Bb4
10. Nf3  Qe7
11. O-O-O Bxc3
12. Bxc3 Qxe4
13. Rhe1 Qxe2
14. Rxe2 Nd5
15. Be5  b5
16. Nd4  Bd7
17. Nb3  Rfe8
18. Rde1 f6
19. Bg3  Rxe2
20. Rxe2 Kf7
21. a3   g5
22. Nc5  Bf5
23. f3   a5
24. h3   h5
25. Re1  Rg8
26. Re2  Bc8
27. Nb3  a4
28. Nc5  Bf5
29. Na6  Rc8
30. Re1  h4
31. Bh2  Be6
32. Nc5  Re8
33. Na6  Re7
34. b3   f5
35. Kd2  f4
36. Bg1  Bf5
37. Rxe7+ Kxe7
38. Nb4  Nxb4
39. Bc5+ Ke6
40. Bxb4 
1/2-1/2