[Event "World Championship 23th"]
[Round "4"]
[Site "Moscow"]
[Date "1960.03.22"]
[White "Botvinnik, Mikhail"]
[Black "Tal, Mihail"]
[Result "1/2-1/2"]
[ECO "E27"]
[Opening "Nimzo-Indian, Saemisch Variation, 5...0-0"]
 1. d4   Nf6
 2. c4   e6
 3. Nc3  Bb4
 4. a3   Bxc3+
 5. bxc3 O-O
 6. f3   d5
 7. cxd5 exd5
 8. e3   Bf5
 9. Ne2  Nbd7
10. Ng3  Bg6
11. Bd3  c5
12. O-O  Re8
13. Re1  Qc7
14. Bxg6 hxg6
15. e4   cxd4
16. cxd4 Rac8
17. Bg5  Qc2
18. Bxf6 Qxd1
19. Rexd1 Nxf6
20. e5   Nh5
21. Ne2  Rc2
22. Kf1  g5
23. Rdc1 Rec8
24. g3   f6
25. Rxc2 Rxc2
26. Rb1  b6
27. Rb5  fxe5
28. dxe5 Rc5
29. Nd4  Kf7
30. Ke2  g6
31. Kd3  Ng7
32. Rb1  Ra5
33. Nc2  Ne6
34. Rb4  Rc5
35. h4   gxh4
36. Rxh4 d4
37. Nxd4 Rxe5
38. Nxe6 Kxe6
39. a4   Rg5
40. Re4+ Kf6
1/2-1/2