[Event "World Championship 21th"]
[Round "15"]
[Site "Moscow"]
[Date "1957.04.09"]
[White "Botvinnik, Mikhail"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "A17"]
[Opening "English Opening, Hedgehog Defence"]
 1. c4   Nf6
 2. Nc3  e6
 3. d4   Bb4
 4. e3   b6
 5. Nge2 Ba6
 6. a3   Bxc3+
 7. Nxc3 d5
 8. b3   O-O
 9. Be2  dxc4
10. bxc4 Nc6
11. a4   Qd7
12. Nb5  Rfd8
13. Bb2  Na5
14. Qc2  c6
15. Na3  Qe7
16. O-O  c5
17. Nb5  Bb7
18. Ba3  Nc6
19. Rfd1 a6
20. Nc3  Nb4
21. Qb3  a5
22. Nb5  h6
23. Bb2  Rac8
24. f3   cxd4
25. exd4 Nh5
26. Bf1  Qg5
27. Ba3  Nf4
28. Kh1  h5
29. Bxb4 axb4
30. Qxb4 h4
31. Ra3  Rc5
32. Re1  Rf5
33. Nd6  Nxg2
34. Bxg2 h3
35. Bxh3 Bxf3+
36. Rxf3 Rxf3
37. Nxf7 Rxf7
38. Bxe6 Rxd4
39. Qxb6 Rdf4
40. Bxf7+ Rxf7
41. Qe6  Qf4
42. Qc6  Rf5
43. Qa8+ Kh7
44. Qe4  Qxe4+
45. Rxe4 Ra5
46. Kg2  Kg6
47. Kf3  Kf5
48. Rf4+ Ke5
49. Re4+ Kf5
50. Rf4+ Ke5
51. Kg4  Rxa4
52. Kg5  Ra6
53. h4   Rc6
54. h5   Ke6
55. Kg6  Ke5+
56. Kg5  Ke6
1/2-1/2