[Event "URS-ch51 Semifinal"]
[Site "Volgodonsk"]
[Date "1983.09.??"]
[Round "?"]
[White "Sveshnikov, Evgeny"]
[Black "Ionov, Sergey"]
[Result "1-0"]
[WhiteElo "2505"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. O-O Be6 10. Bxe6 Qxe6 11. Nxd4 Nxd4 12. Qxd4 Rd8 13. Qh4 Qe2 14. Bd2 e6 15. Re1 Qd3 16. Bg5 Rd5 17. Nd2 Qg6 18. Ne4 h6 19. Bf6 Nd7 20. Rad1 Rxd1 21. Rxd1 gxf6 22. Qf4 Be7 23. Qc7 O-O 24. Ng3 Bd8 25. Qxd7 Bb6 26. Qa4 f5 27. Kf1 Qg5 28. h4 Qf6 29. Qf4 Rd8 30. Rxd8+ Qxd8 31. Ke2 Kh7 32. Nf1 Qc7 33. Qxc7 Bxc7 34. h5 Kg7 35. g3 Kf6 36. f4 e5 37. Ne3 Ke6 38. g4 fxg4 39. f5+ Ke7 40. Nxg4 Bd6 41. Kf3 Bc7 42. Ke4 Bd6 43. Nxh6 1-0