[Event "URS-ch51 Semifinal"]
[Site "Volgodonsk"]
[Date "1983.09.??"]
[Round "?"]
[White "Ionov, Sergey"]
[Black "Dolmatov, Sergey"]
[Result "1-0"]
[BlackElo "2550"]

1. c4 e6 2. Nc3 c5 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Bg5 h6 10. Bxf6 Bxf6 11. Qf4 Bxc3 12. bxc3 Nd7 13. Rad1 Rc8 14. Rxd6 Qe7 15. Rfd1 Nb8 16. c5 b5 17. Ne5 Bxg2 18. Kxg2 O-O 19. c6 a5 20. Nd7 Nxc6 21. Nxf8 Qxf8 22. a4 b4 23. cxb4 Nxb4 24. Qe5 Nd5 25. e4 Re8 26. exd5 f6 27. Qh5 1-0