[Event "Botvinnik clock simul +3 -2 =3"]
[Site "London"]
[Date "1981.04.08"]
[Round "7"]
[White "Botvinnik, Mikhail"]
[Black "Byron, Alan M"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 bxc6 6. Nc3 d6 7. d4 exd4 8. Qxd4 Bg4 9.
e5 c5 10. Qe3 dxe5 11. Nxe5 Be6 12. O-O Bd6 13. b3 O-O 14. Bb2 Re8 15. f4 Bf5 16. Qf2 g6
17. Rae1 c4 18. h3 cxb3 19. cxb3 h5 20. Kh1 Qc8 21. Qh4 Re6 22. Nf3 Be7 23. Ng5 Nh7 24.
Nd5 Bd8 25. Qg3 Qd7 26. Nxe6 Bxe6 27. Ne3 h4 28. Qf3 Rb8 29. f5 gxf5 30. Nxf5 Ng5 31. Qc3
f6 32. Nxh4 Bd5 33. Rf5 Be7 34. Rxg5+ fxg5 35. Qg7# 1-0