Chess puzzle (Checkmate)
Opening: Grob_Opening, Grob_Opening_Other_variations
Moves: 1. g4 e5 2. h4 Bc5 3. h5 Qf6 4. g5 *
Position (FEN): rnb1k1nr/pppp1ppp/5q2/2b1p1PP/8/8/PPPPPP2/RNBQKBNR b KQkq - 0 4
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 786
Best move: Qxf2#