[Event "World-ch20 Smyslov-Botvinnik +6-3=13"]
[Site "Moscow"]
[Date "1957.03.26"]
[Round "9"]
[White "Botvinnik, Mikhail"]
[Black "Smyslov, Vassily V"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c6 7. O-O Bf5 8. Nh4 Be6 9. d5 cxd5 10. cxd5 Bd7 11. Be3 Na6 12. Bd4 Qa5 13. Re1 Nc5 14. e4 Na4 15. Nxa4 Qxa4 16. b3 Qa3 17. f4 Bb5 18. e5 Nd7 19. e6 Bxd4+ 20. Qxd4 Qc5 21. Nf3 fxe6 22. dxe6 Nf6 23. Rac1 Qh5 24. Ng5 Bc6 25. Bxc6 bxc6 26. Rxc6 Ng4 27. h4 h6 28. Nf7 Kh7 29. b4 Rac8 30. Rxc8 Rxc8 31. Nxd6 exd6 32. Qxa7+ Kh8 33. Qd7 Rc3 34. Qd8+ Kh7 35. Qd7+ Kh8 36. Qd8+ Kh7 37. Qe7+ Kh8 38. Qe8+ Kh7 39. Qe7+ Kh8 40. Qe8+ Kh7 1/2-1/2