[Event "Olympiad-19 Preliminaries B"]
[Site "Siegen"]
[Date "1970.09.05"]
[Round "1"]
[White "Ulvestad, Olaf"]
[Black "Feller, Joseph"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. g3 Nd7 10. Bd3 Nc5 11. Bc2 a5 12. O-O-O Rf7 13. Kb1 Nf6 14. h3 fxe4 15. fxe4 Nh5 16. Qg2 Qf8 17. Nge2 Bh6 18. Bxh6 Qxh6 19. Rhf1 Rxf1 20. Rxf1 Bd7 21. g4 Nf4 22. Nxf4 exf4 23. Ne2 g5 24. Nd4 Qf6 25. Nf3 a4 26. Re1 a3 27. e5 dxe5 28. Rxe5 h6 29. Qf2 b6 30. Qd4 Kf7 31. b4 Nb7 32. Bf5 Qd6 33. Bxd7 Qxd7 34. Rxg5 1-0