Jansa, Vlastimil VS Ivkov, Borislav 1980.09.12

[Event "Chigorin Memorial-14"]
[Site "Sochi"]
[Date "1980.09.12"]
[Round "7"]
[White "Jansa, Vlastimil"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2530"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6 11. a4 Na5 12. Bc2 Nb6 13. axb5 axb5 14. Nbd2 c5 15. Nf1 cxd4 16. cxd4 exd4 17. Qd3 Be5 18. Bd2 Nc6 1/2-1/2