[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1992.??.??"]
[Round "8"]
[White "Unzicker, Wolfgang"]
[Black "Piskov, Yury"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2500"]
[ECO "D38"]

1.Nf3 d5 2.c4 e6 3.d4 Nf6 4.Nc3 Bb4 5.cxd5 exd5 6.Bg5 Nbd7 7.e3 c5 8.Be2 Qa5
9.O-O Bxc3 10.bxc3 c4 11.Qc2 Ne4 12.Rfc1 Qa3 13.Bf4 Nb6 14.Ng5 Nxg5 15.Bxg5 O-O
16.Bf3 f5 17.Bf4 Bd7 18.Rab1 Bc6 19.Rb4 Nc8 20.Rcb1 Rf7 21.g4 fxg4 22.Bxg4 a5
23.Rb5 Nd6 24.Rb6 Re8 25.f3 g6 26.Qb2 Qxb2 27.R1xb2 Nf5 28.Bxf5 Rxf5 29.Rg2 Rxf4
30.exf4 Re1+ 31.Kf2 Rc1 32.f5 Kf7 33.Ke3 Rxc3+ 34.Kf4 Rd3 35.Ke5 Rxf3 36.fxg6+ hxg6
37.Rbb2 Re3+ 38.Kd6 Re6+ 39.Kc5 Re3 40.Rbf2+ Kg7 41.h4 Re6 42.h5 Kh6 43.hxg6 Rxg6
44.Rxg6+ Kxg6 45.Kb6 a4 1/2-1/2