Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nc6 3. e3 f6 4. Bb5 Bd7 5. Nf3 g5 6. Nxg5 fxg5 *
Position (FEN): r2qkbnr/pppbp2p/2n5/1B1p2p1/3P1B2/4P3/PPP2PPP/RN1QK2R w KQkq - 0 7
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 841
Best move: Qh5#