[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.10.25"]
[Round "1"]
[White "Sigurjonsson, Gudmundur"]
[Black "Qi, Jingxuan"]
[Result "0-1"]
[WhiteElo "2500"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Bd2 b6 6. Nf3 Ne7 7. Bd3 Ba6 8. Bxa6 Nxa6 9. Ne2 Bxd2+ 10. Qxd2 c5 11. a4 O-O 12. O-O Nc6 13. Nf4 Nc7 14. Rfe1 Rfc8 15. Nh5 Qe7 16. Qf4 Ne8 17. Ra3 cxd4 18. Re2 Rc7 19. Nd2 d3 20. Rxd3 Qb4 21. c4 dxc4 22. Rg3 Qxb2 23. Re1 Nd4 24. Nf3 Nf5 25. Rg5 h6 26. Rxf5 exf5 27. Qxf5 c3 28. e6 c2 29. Ne5 f6 30. Nd3 c1=Q 0-1