[Event "World-ch21 Botvinnik-Symslov +7-5=11"]
[Site "Moscow"]
[Date "1958.04.15"]
[Round "16"]
[White "Botvinnik, Mikhail"]
[Black "Smyslov, Vassily V"]
[Result "1/2-1/2"]
1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nd7 8. Nf3 O-O 9. O-O e5 10. d4 c6 11. e4 Qa5 12. Qc2 exd4 13. cxd4 Nb6 14. Bd2 Qa4 15. Qxa4 Nxa4 16. Rfc1 Nb6 17. Be3 f5 18. Ne5 fxe4 19. Bxe4 Bf5 20. Bxf5 Rxf5 21. g4 Rff8 22. a4 Rae8 23. a5 Nd5 24. Rxb7 Nxe3 25. fxe3 Bxe5 26. dxe5 Rxe5 27. Rxc6 Rf7 28. a6 Rxe3 29. Rcc7 Re1+ 30. Kg2 Re2+ 31. Kg3 Re3+ 32. Kg2 Re2+ 33. Kg3 Re3+ 34. Kh4 Rxc7 35. Rxc7 h6 36. g5 h5 1/2-1/2