[Event "Ch URS"] [Site "masterchessopen.com – Leningrad (Russia)"] [Round "0"] [White "Petrosian Tigran V (ARM)"] [Black "Gurgenidze Bukhuti (GEO)"] [Result "1-0"] [WhiteElo "2580"] [BlackElo "2108"] [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 Qa5 8.cxd5 Rd8 9.Bd2 Qxc5 10.e4 Ng4 11.Qe2 Na6 12.h3 Ne5 13.Nxe5 Bxe5 14.f4 Bg7 15.g3 e6 16.Bg2 Bd7 17.e5 exd5 18.Nxd5 Qf8 19.Ne3 Nc5 20.O-O Ne6 21.Bc3 Bc6 22.Bxc6 bxc6 23.Qc4 Qe8 24.Rce1 Nf8 25.f5 {#r} 1-0