[Event "World Championship 25th"]
[Round "12"]
[Site "Moscow"]
[Date "1963.04.20"]
[White "Botvinnik, Mikhail"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "D31"]
[Opening "QGD, 3.Nc3"]
 1. d4   d5
 2. c4   e6
 3. Nc3  Be7
 4. cxd5 exd5
 5. Bf4  c6
 6. e3   Bf5
 7. g4   Be6
 8. Bd3  Nd7
 9. h3   h5
10. gxh5 Ndf6
11. h6   Nxh6
12. Qc2  Nh5
13. Be5  f6
14. Bh2  Bd6
15. Bg6+ Bf7
16. Nf3  Bxg6
17. Qxg6+ Nf7
18. Nh4  Bxh2
19. Rxh2 Qc7
20. Nf3  O-O-O
21. Qg4+ Kb8
22. h4   Nd6
23. O-O-O f5
24. Qg1  f4
25. Ne5  Nf7
26. Ng6  Rhe8
27. Rh3  fxe3
28. fxe3 Nf6
29. Rf1  a6
30. h5   Ne4
31. Nxe4 Rxe4
32. Kb1  Nd6
33. Ne5  Re8
34. Rg3  Re7
35. Rf8+ Ka7
36. Rf1  Nc4
37. Nxc4 dxc4
38. Rf5  Qd7
39. Rff3 c5
40. Rf1  cxd4
41. exd4 Qxd4
42. Rd1  Qxg1
43. Rdxg1 R7e5
44. Rg5  Re1+
45. Kc2  R1e2+
46. Kb1  Kb6
47. Rxe5 Rxe5
48. Rxg7 Rxh5
49. Kc2  Rh3
50. b3   Rh2+
51. Kc3  Rxa2
52. Kxc4 Rc2+
53. Kb4  
1/2-1/2