[Event "It (cat.4)"] [Site "masterchessopen.com Besancon (France)"] [Round "3"] [White "Charnushevich Alexei (FRA)"] [Black "Costa Jean-Luc (SUI)"] [Result "1-0"] [WhiteElo "2489"] [BlackElo "2358"] [ECO "D22"] [Opening "QGA: Alekhine, 4.e3"] 1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3 Nf6 8.g4 Bg6 9.Ne5 Nbd7 10.Nxg6 hxg6 11.g5 Nd5 12.Nxd5 exd5 13.Bxd5 c6 14.Bc4 Qxg5 15.Qb3 Qf6 16.Bd2 b5 17.Be2 Be7 18.Bc3 O-O 19.h4 c5 20.h5 b4 21.Bd2 g5 22.Qd5 Rad8 23.Qe4 Rfe8 24.O-O-O cxd4 25.exd4 Bf8 26.Qg4 Qc6+ 27.Kb1 Nf6 28.Qf3 Qxf3 {#r} 1-0