Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Wayward_Queen_Attack
Moves: 1. e4 e5 2. Qh5 Nc6 3. Bc4 g6 4. Bxf7+ *
Position (FEN): r1bqkbnr/pppp1B1p/2n3p1/4p2Q/4P3/8/PPPP1PPP/RNB1K1NR b KQkq - 0 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 885
Best move: Kxf7