[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.08"]
[Round "13"]
[White "Hamann, Svend"]
[Black "Radulov, Ivan"]
[Result "1/2-1/2"]
[BlackElo "2490"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. a3 b5 10. Bd3 Bb7 11. b4 Ba7 12. Bb2 Ke7 13. Nbd2 1/2-1/2