Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. Nf3 Nc6 2. d4 d5 3. c4 dxc4 4. d5 Nb8 5. e4 Bg4 6. Bxc4 Bxf3 7. Qxf3 Nd7 8.
Bf4 Nh6 9. d6 cxd6 10. Bxh6 gxh6 *
Position (FEN): r2qkb1r/pp1npp1p/3p3p/8/2B1P3/5Q2/PP3PPP/RN2K2R w KQkq - 0 11
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 615
Best move: Qxf7#