[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.10"]
[Round "14"]
[White "Sigurjonsson, Gudmundur"]
[Black "Sisniega, Marcel"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2455"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 d5 8. Bg5 dxc4 9. e3 h6 10. Rd1 Nbd7 11. Bh4 a6 12. Bxc4 b5 13. Ba2 Qb6 14. Bb1 Rd8 15. e4 Bd6 16. O-O Bb7 17. Rfe1 Ne5 18. Bg3 Nxf3+ 19. gxf3 Bxg3 20. hxg3 Rac8 21. Rxd8+ Rxd8 22. Rd1 Kf8 1/2-1/2