[Event "Chigorin Memorial-11"]
[Site "Sochi"]
[Date "1976.??.??"]
[Round "4"]
[White "Adorjan, Andras"]
[Black "Estevez Morales, Guillermo"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2360"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O a6 8. f4 Qc7 9. Kh1 O-O 10. Qe1 Nc6 11. Be3 Nxd4 12. Bxd4 b5 13. Qg3 Bb7 14. a3 Bc6 15. Rae1 Qb7 16. Bd3 b4 17. axb4 Qxb4 18. Ne2 Qb7 19. e5 Nh5 20. Qh3 g6 21. Ng3 dxe5 22. Bxe5 Ng7 23. Ne4 f6 24. Bc3 Bd5 25. Nf2 Bb4 26. Bxb4 Qxb4 27. b3 1/2-1/2