[Event "Ch URS (1/2 final)"] [Site "masterchessopen.com Voronezh (Russia)"] [Round "0"] [White "Grigorian Karen (RUS)"] [Black "Osnos Viatcheslav (RUS)"] [Result "1-0"] [WhiteElo "2430"] [BlackElo "2384"] [ECO "E47"] [Opening "Nimzo-Indian: 4.e3 O-O 5.Bd3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 Qc7 10.cxd5 exd5 11.Bb2 c4 12.Bc2 Bg4 13.Qe1 Ne7 14.Nh4 Be6 15.a4 Rfe8 16.Ba3 Rad8 17.f3 g5 18.e4 Nh5 19.e5 Nf4 20.Qe3 Qd7 21.Bxe7 Qxe7 22.Nf5 Bxf5 23.Bxf5 f6 24.g3 Nh5 25.f4 Kh8 26.Kh1 Ng7 27.Bc2 gxf4 28.gxf4 f5 29.Rg1 Qh4 30.Rg5 Nh5 31.Rag1 Rg8 32.e6 Qxf4 33.Qxf4 Nxf4 34.e7 {#r} 1-0