[Event "Leningrad (Russia)"]
[Site "Leningrad URS"]
[Date "1985.??.??"]
[EventDate "?"]
[Round "4"]
[Result "1-0"]
[White "Vassily Ivanchuk"]
[Black "Alexey Dreev"]
[ECO "D31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1.c4 e6 2.Nc3 d5 3.d4 c6 4.e4 dxe4 5.Nxe4 Bb4+ 6.Bd2 Qxd4
7.Bxb4 Qxe4+ 8.Be2 Na6 9.Bd6 Qf5 10.Nf3 Qa5+ 11.Nd2 Ne7 12.O-O
Nf5 13.Ne4 Nxd6 14.Nxd6+ Ke7 15.Qd3 Rd8 16.Rad1 Qc7 17.Qxh7
Rxd6 18.Qxg7 e5 19.Qxe5+ Re6 20.Qg5+ Rf6 21.Rd3 Qf4 22.Qg8 Rd6
23.Re3+ Re6 24.Rd1 Rxe3 25.Qd8+ Ke6 26.Bg4+ f5 27.fxe3 Qe5
28.Bh5 Qc7 29.Qg8+ Ke5 30.Qe8+ Kf6 31.Rd8 Rb8 32.Qg6+ 1-0