Chess puzzle (Checkmate)
Opening: Bird_Opening, Bird_Opening_Dutch_Variation
Moves: 1. f4 d5 2. Nf3 Nc6 3. e3 e5 4. fxe5 Bg4 5. Be2 Bxf3 6. Bxf3 Nxe5 7. O-O Nf6 8.
d4 Nxf3+ 9. Qxf3 Ne4 *
Position (FEN): r2qkb1r/ppp2ppp/8/3p4/3Pn3/4PQ2/PPP3PP/RNB2RK1 w kq - 1 10
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 678
Best move: Qxf7#