[Event "World Championship 25th"]
[Round "16"]
[Site "Moscow"]
[Date "1963.05.01"]
[White "Botvinnik, Mikhail"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "D27"]
[Opening "QGA; classical Variation"]
 1. d4   d5
 2. c4   dxc4
 3. Nf3  Nf6
 4. e3   e6
 5. Bxc4 c5
 6. O-O  a6
 7. a4   Nc6
 8. Qe2  cxd4
 9. Rd1  Be7
10. exd4 O-O
11. Nc3  Nd5
12. Bd3  Ncb4
13. Bb1  Bd7
14. Qe4  g6
15. Ne5  Bf6
16. Qf3  Bg7
17. Qg3  Be8
18. h4   Nc6
19. Nf3  f6
20. Nxd5 exd5
21. h5   Ne7
22. hxg6 Bxg6
23. Nh4  Bxb1
24. Rxb1 Qd7
25. b3   Rf7
26. Qf3  f5
27. Qg3  Nc6
28. Nf3  Re7
29. Bf4  Re4
30. Ne5  Nxe5
31. dxe5 Re8
32. f3   Re2
33. Re1  Ra2
34. Bg5  d4
35. Bf6  Qf7
36. Rbd1 Qg6
37. Qxg6 hxg6
38. Bxg7 Kxg7
39. e6   Rc8
40. Kh2  Rcc2
41. Rg1  Rd2
42. Rde1 Kf8
43. e7+  Ke8
44. Kg3  d3
45. Re3  Rab2
46. Kf4  Rxg2
47. Rd1  Rbd2
48. Rxd2 Rxd2
49. Kg5  Rd1
50. Kf6  f4
51. Re4  Rc1
52. Rd4  Rc6+
53. Kg5  Rc3
54. Kf6  
1/2-1/2