Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nf3 Nxe4 5. Bc4 d5 6. Bb3 Bc5 7. d4 Bb6 8.
O-O Bg4 9. Re1 Bxf3 10. Qxf3 Nxd4 11. Rxe4+ dxe4 *
Position (FEN): r2qk2r/ppp2ppp/1b6/8/3np3/1B3Q2/PPP2PPP/RNB3K1 w kq - 0 12
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1402
Best move: Qxf7#