[Event "Game"] [Site "masterchessopen.com Dusseldorf (Germany)"] [Round "0"] [White "Alekhine Alexander A (RUS)"] [Black "Koehnlein H"] [Result "1-0"] [ECO "D02"] [Opening "Queen's Pawn: 2.Nf3 e6"] 1.d4 d5 2.Nf3 e6 3.e3 Nf6 4.Bd3 Nbd7 5.Nbd2 Bd6 6.e4 dxe4 7.Nxe4 Nxe4 8.Bxe4 O-O 9.Bg5 Qe8 10.O-O f5 11.Bd3 e5 12.dxe5 Nxe5 13.Re1 Qh5 14.Nxe5 Qxg5 15.Bc4+ Kh8 16.Qxd6 Qxg2+ 17.Kxg2 cxd6 18.Nf7+ Kg8 19.Nxd6+ Kh8 20.Nf7+ Kg8 21.Re7 Be6 {#r} 1-0