[Event "World Championship 25th"]
[Round "11"]
[Site "Moscow"]
[Date "1963.04.17"]
[White "Petrosian, Tigran V"]
[Black "Botvinnik, Mikhail"]
[Result "1/2-1/2"]
[ECO "A30"]
[Opening "English Opening, Symmetrical Variation"]
 1. c4   c5
 2. Nf3  Nf6
 3. Nc3  e6
 4. e3   d5
 5. d4   Nc6
 6. cxd5 exd5
 7. Bb5  Bd6
 8. dxc5 Bxc5
 9. O-O  O-O
10. b3   Be6
11. Bb2  Qe7
12. Ne2  Rac8
13. a3   Rfd8
14. Ned4 Bg4
15. Be2  Ne4
16. Qd3  Bd6
17. g3   Nc5
18. Qb1  Ne4
19. Qd3  Nc5
20. Qd1  Ne6
21. Re1  Bc5
22. Nxc6 bxc6
23. b4   Bb6
24. Qa4  Qe8
25. Rad1 f6
26. Rd2  Qh5
27. Qd1  c5
28. Nd4  Bxe2
29. Qxe2 Qxe2
30. Nxe2 Ng5
31. Kg2  Ne4
32. Rdd1 cxb4
33. axb4 Rc2
34. Bd4  Bxd4
35. Rxd4 Rb2
36. h4   Rc8
37. Rxd5 Rcc2
38. Kf3  Nd2+
39. Kg2  Ne4
40. Kf3  Nd2+
41. Kg2  Nc4
1/2-1/2