[Event "Ch URS"] [Site "masterchessopen.com – Yerevan (Armenia)"] [Round "0"] [White "Korchnoi Viktor (SUI)"] [Black "Stein Leonid Z (UKR)"] [Result "1-0"] [WhiteElo "2556"] [BlackElo "2620"] [ECO "D92"] [Opening "Gruenfeld: 5.Bf4 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.Rc1 c5 7.dxc5 dxc4 8.Qxd8 Rxd8 9.e3 Na6 10.c6 bxc6 11.Bxc4 Nd5 12.Be5 Nb6 13.Be2 f6 14.Bg3 e5 15.O-O Nc5 16.b4 Nd3 17.Rcd1 Bf5 18.e4 Nxb4 19.exf5 gxf5 20.Nd2 f4 21.Bh4 N6d5 22.Ndb1 Kf7 23.Rc1 Bf8 24.Ne4 Rdc8 25.Bh5+ Kg7 26.Bg4 Rc7 27.Be6 Re8 28.Bxd5 Nxd5 29.Rfd1 Rec8 30.Nbc3 Be7 31.Kf1 Nxc3 32.Rxc3 Rb8 33.Nc5 Rcc8 34.Rd7 Kf7 35.Rxa7 Rd8 36.Nb3 Rd6 37.f3 Rbd8 38.Bf2 Rd1+ 39.Ke2 Ke8 40.Rxc6 {#r} 1-0