[Event "Chigorin Memorial-17"]
[Site "Sochi"]
[Date "1983.??.??"]
[Round "?"]
[White "Ivkov, Borislav"]
[Black "Chekhov, Valery A"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2510"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nc6 10. a3 b5 11. Bd3 1/2-1/2