[Event "Cologne (analysis)"] [Site "Cologne GER"] [Date "1911.??.??"] [EventDate "1911.??.??"] [Round "?"] [Result "1-0"] [White "Alexander Alekhine"] [Black "Oscar Tenner"] [ECO "C30"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "29"] 1. e4 {Some sources indicate that this game is actually a post-mortem of a twenty-three move draw.} e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 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