[Event "It (open) \"] [Site "masterchessopen.com Duisburg (Germany)"] [Round "1"] [White "Stelter Wilhelm (GER)"] [Black "Thomas Ingo (GER)"] [Result "0-1"] [WhiteElo "1728"] [BlackElo "2145"] [ECO "D21"] [Opening "QGA: Alekhine, 4.a4"] 1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.a4 Nc6 5.e4 Bg4 6.Bxc4 e6 7.Be3 Bb4+ 8.Nc3 Nf6 9.e5 Nd5 10.O-O Nxc3 11.bxc3 Bxc3 12.Rb1 Ba5 13.Rxb7 Bb6 14.Qe2 O-O 15.Bxa6 Bxf3 16.gxf3 Nxd4 17.Bxd4 Qxd4 18.Kh1 Rfd8 19.Bb5 Rd5 20.Bc6 Rxe5 21.Qa6 Rd8 22.a5 Rxa5 23.Qe2 Re5 24.Be4 f5 25.Qa2 fxe4 26.f4 Red5 27.Qe2 Qd3 {#R} 0-1