[Event "Interzonal-03"]
[Site "Gothenburg"]
[Date "1955.09.10"]
[Round "16"]
[White "Donner, Jan Hein"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]

1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 c5 5. cxd5 cxd4 6. Qxd4 Be7 7. e4 Nc6 8. Qd2 Nxe4 9. Nxe4 exd5 10. Bxe7 Qxe7 11. Qxd5 O-O 12. f3 Nb4 13. Qc5 Qxc5 14. Nxc5 Nc2+ 15. Kd2 Nxa1 16. Bd3 Rd8 17. Ne4 Bf5 18. Nh3 Rxd3+ 19. Kxd3 Rd8+ 20. Kc3 Rc8+ 21. Kd2 Rd8+ 22. Kc3 Rc8+ 23. Kd2 Rd8+ 1/2-1/2