[Event "Costa del Sol-04"]
[Site "Malaga"]
[Date "1964.02.05"]
[Round "4"]
[White "Ulvestad, Olaf"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. Nxd5 exd5 7. g3 Nc6 8. a3 Qb6 9. dxc5 Bxc5 10. e3 O-O 11. b4 Be7 12. Bb2 Bg4 13. Be2 a5 14. Qxd5 axb4 15. a4 Ra5 16. Bb5 Na7 17. Nd4 Nxb5 18. axb5 Rxa1+ 19. Bxa1 Bh3 20. Ke2 Rd8 21. Qh5 Be6 22. Rc1 1-0