[Event "World op"]
[Site "Philadelphia"]
[Date "1989.??.??"]
[Round "10"]
[White "Shamkovich, Leonid"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[WhiteElo "2450"]
[BlackElo "2535"]
[ECO "A53"]

1.Nf3 Nf6 2.c4 d6 3.d4 Bg4 4.Qb3 Qc8 5.Nbd2 Nbd7 6.g3 c6 7.Bg2 g6 8.h3 Bxf3
9.Nxf3 Bg7 10.O-O O-O 11.Be3 a5 12.Rac1 a4 13.Qc2 c5 14.Rfd1 b6 15.Nd2 Ra7
16.Nb1 Nb8 17.Na3 Nc6 18.Nb5 Ra6 19.Qd2 Re8 20.g4 Nd7 21.Bh6 cxd4 22.Bxg7 Kxg7
23.Nxd4 Nxd4 24.Qxd4+ Kg8 25.Rc3 Ra5 26.e3 h5 27.Bd5 hxg4 28.Qxg4 Kg7 29.f4 Nf6
30.Qxc8 Rxc8 31.Bg2 b5 32.cxb5 Rxc3 33.bxc3 Rxb5 34.Rd4 Rb1+ 35.Bf1 Nh5 36.Rxa4 Ng3
37.Kf2 Nxf1 38.Rd4 Rc1 39.Rd3 Nh2 40.Rd2 Rxc3 41.Re2 Rc1 42.a4 Ra1 43.a5 Kf6
44.Kg2 Nf1 45.a6 Nxe3+ 46.Rxe3 Rxa6  0-1

