[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1969.02.01"]
[Round "15"]
[White "Botvinnik, Mikhail"]
[Black "Olafsson, Fridrik"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b6 9. d4 Bb7 10. dxc5 Bxc5 11. Nc3 Rc8 12. Bd2 b5 13. a3 O-O 1/2-1/2