Chess puzzle (Checkmate)
Opening: Blackmar-Diemer_Gambit, Blackmar-Diemer_Gambit_Netherlands_Variation
Moves: 1. e4 d5 2. d4 dxe4 3. Nc3 f5 4. Bc4 Nf6 5. Bg5 h6 6. Bxf6 exf6 7. Qh5+ Kd7 8.
O-O-O Nc6 9. d5 Ne5 10. Bb3 a5 11. Ba4+ Ke7 12. f4 Ng4 13. d6+ cxd6 14. Bb3 Ne3
*
Position (FEN): r1bq1b1r/1p2k1p1/3p1p1p/p4p1Q/4pP2/1BN1n3/PPP3PP/2KR2NR w - - 2 15
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1049
Best move: Qf7#