[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.09"]
[Round "4"]
[White "Tarjan, James Edward"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2540"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 a6 6. Rb1 Rb8 7. b4 cxb4 8. axb4 b5 9. c5 a5 10. Ba3 axb4 11. Bxb4 Nxb4 12. Rxb4 Bxc3 13. dxc3 Qc7 14. Qd4 Nf6 15. Nf3 O-O 16. O-O Bb7 17. Rxb5 Bxf3 18. Rxb8 Rxb8 19. Bxf3 Rc8 20. c6 dxc6 21. Rb1 1/2-1/2