Petrosian, Tigran V VS Nielsen, Axel 1960.08.??

[Event "Copenhagen Nimzowitsch Memorial"]
[Site "Copenhagen"]
[Date "1960.08.??"]
[Round "?"]
[White "Petrosian, Tigran V"]
[Black "Nielsen, Axel"]
[Result "1-0"]

1. d4 f5 2. Bg5 g6 3. Nd2 Bg7 4. c3 Nf6 5. e3 d6 6. Ngf3 Nc6 7. Qb3 h6 8. Bxf6 Bxf6 9. e4
e5 10. Bb5 Kf8 11. Bxc6 bxc6 12. dxe5 dxe5 13. Qa4 Qd6 14. Nb3 Bd7 15. Rd1 Qe7 16. Nc5 Be8
17. b4 Kg7 18. O-O Rf8 19. Qa6 fxe4 20. Nd2 e3 21. Nde4 exf2+ 22. Rxf2 Bg5 23. Rxf8 Kxf8
24. Nxg5 hxg5 25. Qb7 1-0