[Event "C28"] [Site "Cleanchess.com Cologne GER"] [Round "502"] [White "Alekhine, Alexander"] [Black "Tenner, O"] [Result "1-0"] [WhiteElo "2690"] [ECO "C25"] [Opening "Vienna: 2...Nc6 3.Bc4"] 1.e4 e5 2.Nc3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.f4 d6 6.Nf3 Bg4 7.Na4 exf4 8.Nxc5 dxc5 9.Bxf4 Nh5 10.Be3 Ne5 11.Nxe5 Bxd1 12.Bxf7+ Ke7 13.Bxc5+ Kf6 14.O-O+ Kxe5 15.Rf5# 1-0