[Event "Olympiad-13 Preliminaries A"]
[Site "Munich"]
[Date "1958.10.01"]
[Round "1"]
[White "Botvinnik, Mikhail"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. Qd2 Nc6 9. e4 Nb6 10. Bb5 Bd7 11. Ne2 Na5 12. Rb1 Rc8 13. Bd3 Ba4 14. O-O O-O 15. dxc5 Nd7 16. Nd4 Nxc5 17. Be2 Qf6 18. Qe3 Rfd8 19. Bb2 Qg6 20. c4 b6 21. Bc3 Nc6 22. Rb2 Nxd4 23. Bxd4 f6 1/2-1/2