[Event "Cologne"]
[Date "1911.??.??"]
[Round "?"]
[White "Alekhine"]
[Black "Tenner"]
[Result "1/2-1/2"]
1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Bc4 Nc6 5.d3 Nf6 6.Nc3 Bg4 7.Na4 exf4 8.Nxc5 dxc5
9.Bxf4 Nh5 10.Be3 Qe7 11.Bb5 f5 12.Bxc6+ bxc6 13.Qd2 fxe4 14.Ng5 O-O 15.Nxe4 Rae8 16.Bf2 Qd6 17.Qe3 Qg6 18.O-O Bf3 19.Bg3 Nxg3 20.hxg3 Bxe4 21.Rxf8+ Kxf8 22.Qxc5+ Kg8 23.dxe4 Qxe4 1/2-1/2
As published in 'the unkown Alekhine' by Reinfeld in 1949.
A slightly different move order and black's 10th is Qe7.Maybe it was during the post mortem to show what happens if 10....,Ne5