[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.28"]
[Round "12"]
[White "Spassky, Boris Vasilievich"]
[Black "Geller, Efim P"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Nb6 11. Nbd2 Bf6 12. Nf1 Re8 13. N1h2 exd4 14. cxd4 Na5 15. Bc2 c5 16. Ng4 Bxg4 17. hxg4 Bxd4 18. Nxd4 cxd4 19. Qxd4 Rc8 20. Qd1 Nbc4 21. g5 1/2-1/2