[Event "Chigorin Memorial-13"]
[Site "Sochi"]
[Date "1979.??.??"]
[Round "4"]
[White "Panchenko, Alexander N"]
[Black "Zaitsev, Igor A"]
[Result "1/2-1/2"]
[BlackElo "2190"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 b6 8. Bxf6 Bxf6 9. cxd5 exd5 10. Rc1 Bb7 11. Be2 Nc6 12. O-O Re8 13. a3 Ne7 14. b4 a6 15. a4 c6 16. Qb3 Nf5 17. Rfd1 b5 18. Ra1 Rc8 19. Qc2 Nd6 20. Ne1 Rc7 21. Nd3 Bc8 22. Nc5 g6 23. Bd3 1/2-1/2