[Event "Amsterdam Wereldschaaktoernooi"]
[Site "Amsterdam"]
[Date "1950.11.28"]
[Round "13"]
[White "Gudmundsson, Gudbjartur"]
[Black "Stahlberg, Gideon"]
[Result "0-1"]

1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. c3 Bg7 5. d3 d6 6. Ne2 Bg4 7. Be3 Qc8 8. h3 Bd7 9. Nd2 Nf6 10. Qc2 O-O 11. g4 Rb8 12. Ng3 b5 13. g5 Ne8 14. h4 b4 15. f4 bxc3 16. bxc3 Nb4 17. cxb4 Bxa1 18. bxc5 dxc5 19. Bxc5 Bd4 20. Nb3 Rxb3 21. Qxb3 Qxc5 0-1