[Event "Linares-03"]
[Site "Linares"]
[Date "1981.01.21"]
[Round "4"]
[White "Karpov, Anatoly"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo "2690"]
[BlackElo "2585"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. e4 O-O 10. b3 Nbd7 11. Bb2 a6 12. Rfd1 Qc7 13. Qe3 Rfe8 14. Rac1 Bf8 15. Nd4 Rad8 16. Re1 Qb8 17. Qe2 g6 18. Rcd1 Bg7 19. Qc2 Nc5 20. Kh1 Qa8 21. f3 Qb8 22. Qf2 Ba8 23. Ba1 1/2-1/2