[Event "66th ch-BUL w 2017"] [Site "masterchessopen.com Pleven BUL"] [Date "2017.03.03"] [Round "6.4"] [White "Ivanova,Si"] [Black "Nikolova,A"] [Result "0-1"] [WhiteElo "2153"] [BlackElo "2352"] [ECO "D00"] [Opening "Queen's Pawn: Mason Variation"] 1.d4 d5 2.Bf4 Nf6 3.e3 e6 4.Bd3 Bd6 5.Bg3 c5 6.c3 Nc6 7.Nd2 e5 8.dxc5 Bxc5 9.Bb5 Bd6 10.Ngf3 Qe7 11.O-O O-O 12.c4 a6 13.Ba4 e4 14.Ne1 Bxg3 15.hxg3 Bg4 16.Qc2 Nb4 17.Qc3 Be2 18.a3 Bxf1 19.Kxf1 Nc6 20.cxd5 Nxd5 21.Qc2 Nf6 22.b4 Rac8 23.Qa2 Ne5 24.Bc2 Neg4 25.Qb1 Rfe8 26.Nb3 Qe5 27.Nd4 Qh5 28.Qa2 Qh1+ 29.Ke2 Qg1 {#R} 0-1