Botvinnik, Mikhail VS Donner, Jan Hein 1963.12.15

[Event "Amsterdam GAK"]
[Site "Amsterdam"]
[Date "1963.12.15"]
[Round "4"]
[White "Botvinnik, Mikhail"]
[Black "Donner, Jan Hein"]
[Result "1-0"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. cxd5 Nxd5 9. d4
c5 10. dxc5 Bxc5 11. Nbd2 Nd7 12. a3 N5f6 13. b4 Be7 14. Nd4 Bxg2 15. Kxg2 Qc7 16. Qb3
Rfc8 17. Rfc1 Qb7+ 18. Qf3 Nd5 19. e4 N5f6 20. b5 a6 21. Nc6 Bf8 22. a4 axb5 23. axb5 Rxa1
24. Rxa1 Ra8 25. Rd1 Ne8 26. Nc4 Nc5 27. e5 Rc8 28. Ra1 Rc7 29. Ra7 Qxa7 30. Nxa7 Rxa7 31.
Nxb6 1-0