Chess puzzle (Equality)
Moves: 1. Nf3 e5 2. Nxe5 Nf6 3. d4 Bd6 4. Nxf7 *
Position (FEN): rnbqk2r/pppp1Npp/3b1n2/8/3P4/8/PPP1PPPP/RNBQKB1R b KQkq - 0 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1543
Best move: Kxf7