Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 f6 3. e3 c6 4. Bd3 Nd7 5. Qh5+ g6 6. Qxg6+ hxg6 *
Position (FEN): r1bqkbnr/pp1np3/2p2pp1/3p4/3P1B2/3BP3/PPP2PPP/RN2K1NR w KQkq - 0 7
White to move.
Themes:  Opening Double Bishop Mate, Mate in 1 
Puzzle rating: 526
Best move: Bxg6#