Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Qe2 d5 5. Bb3 Nc6 6. Nc3 Bg4 7. Nxe4 Bxf3 8.
Qxf3 dxe4 *
Position (FEN): r2qkb1r/ppp2ppp/2n5/4p3/4p3/1B3Q2/PPPP1PPP/R1B1K2R w KQkq - 0 9
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 863
Best move: Qxf7#