[Event "Portugal Open Rapid 2017"] [Site "masterchessopen.com Lisbon POR"] [Date "2017.02.11"] [Round "3.7"] [White "Kovalev,Vl"] [Black "Derakhshani,D"] [Result "1-0"] [WhiteElo "2598"] [BlackElo "2373"] [ECO "A45"] [Opening "Indian: 2.Bf4"] 1.d4 Nf6 2.Bf4 e6 3.e3 d5 4.Nf3 Bd6 5.Bg3 c5 6.c3 Nc6 7.Nbd2 O-O 8.Bb5 Ne7 9.Bd3 b6 10.Bxd6 Qxd6 11.Ne5 Bb7 12.Qf3 Qc7 13.Qh3 h6 14.Qh4 Nf5 15.Bxf5 exf5 16.Qf4 Qc8 17.f3 Qe6 18.Kf2 Rae8 19.Rae1 Kh7 20.h3 Nd7 21.Nxd7 Qxd7 22.g4 Bc8 23.dxc5 bxc5 24.Nb3 Qb5 25.gxf5 c4 26.Nd4 Qxb2+ 27.Re2 Qxc3 28.Rg1 Rg8 29.Qc7 Rxe3 30.Rxe3 Qxd4 31.Qxf7 c3 32.Qg6+ Kh8 33.f6 Qd2+ 34.Re2 Qd4+ 35.Ke1 Qh4+ 36.Rg3 {#r} 1-0