[Event "IBM"]
[Site "Amsterdam"]
[Date "1968.??.??"]
[Round "14"]
[White "Donner, Jan Hein"]
[Black "Bronstein, David Ionovich"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nd2 Bg7 6. Ngf3 O-O 7. O-O Na6 8. b3 c5 9. Bb2 cxd4 10. Bxd4 Nb4 1/2-1/2