[Event "World-ch23 Botvinnik-Tal +10-5=6"]
[Site "Moscow"]
[Date "1961.03.22"]
[Round "4"]
[White "Tal, Mihail"]
[Black "Botvinnik, Mikhail"]
[Result "1/2-1/2"]
1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Nc3 Nc6 6. Bf4 Nge7 7. Nf3 Ng6 8. Be3 Ngxe5 9. Nxe5 Nxe5 10. Qh5 Nc6 11. O-O-O Be7 12. f4 g6 13. Qh6 Bf8 14. Qg5 Qxg5 15. fxg5 h6 16. Na4 Bd7 17. Bf4 a6 18. Nb6 Rd8 19. Bc7 hxg5 20. c4 d4 21. b4 Bg7 22. Bxd8 Kxd8 23. b5 Nb8 24. Be2 f5 25. Bf3 axb5 26. cxb5 Bxb5 27. Bxb7 Kc7 28. a4 Bxa4 29. Nxa4 Kxb7 30. Kd2 Nd7 31. Rb1+ Kc6 32. Rhc1 Be5 33. Kd3 Ra8 34. Rb6+ Nxb6 35. cxb6+ Kd7 36. Nc5+ Ke7 37. Re1 Ra3+ 38. Kc4 Rc3+ 39. Kb5 Re3 40. Ra1 Bxh2 41. Ra7+ Ke8 1/2-1/2