[Event "Memorial Grigorov (open)"] [Site "masterchessopen.com Sofia (Bulgaria)"] [Date "2004.12.11"] [Round "4"] [White "Petkov Vladimir (BUL)"] [Black "Dobrev Nanko (BUL)"] [Result "1-0"] [WhiteElo "2413"] [BlackElo "2416"] [ECO "E46"] [Opening "Nimzo-Indian: 4.e3 O-O"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 Re8 6.a3 Bf8 7.d5 e5 8.Ng3 a5 9.Bd3 Na6 10.O-O Nc5 11.Bc2 d6 12.Rb1 Bg4 13.f3 Bd7 14.b4 Na6 15.e4 axb4 16.axb4 c5 17.dxc6 bxc6 18.Kh1 Be6 19.Qe2 Qc8 20.Bg5 Rb8 21.Bxf6 gxf6 22.Nh5 Be7 23.Qd2 Kh8 24.b5 Nc5 25.bxc6 Bxc4 26.Rxb8 Qxb8 27.Rb1 Qa7 28.Nd5 Rg8 29.Nhxf6 Bxd5 30.Qh6 Rg7 31.exd5 e4 32.c7 Qxc7 {#r} 1-0