[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.24"]
[Round "9"]
[White "Spassky, Boris Vasilievich"]
[Black "Ree, Hans"]
[Result "1-0"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. Nf3 Bd6
9. Be3 Nc6 10. O-O-O Ng4 11. Bg5+ Ke8 12. Bh4 Nf6 13. Ne1 Rf8 14. Nd3 Nh5 15. Nb5 Rc8 16.
Rd2 Nf6 17. f3 Ke7 18. c4 a6 19. Nxd6 cxd6 20. Kb1 h6 21. c5 dxc5 22. Nxc5 Rc7 23. Rhd1 g5
24. Bg3 Rfc8 25. Rd6 Nd4 26. Bxe5 Rxc5 27. Bxd4 Rb5 28. Rb6 Rxb6 29. Bxb6 g4 30. Be3 gxf3
31. gxf3 h5 32. Bg5 Rg8 33. h4 e5 34. Rc1 Ke6 35. Rc7 Rb8 36. Rg7 Nd7 37. Rg6+ Kf7 38. Rd6
Nf8 39. Rf6+ Kg7 40. Rb6 Kf7 41. Rh6 1-0