Chess puzzle (Equality)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nxe5 Nxe5 4. f4 Ng4 *
Position (FEN): r1bqkbnr/pppp1ppp/8/8/4PPn1/8/PPPP2PP/RNBQKB1R w KQkq - 1 5
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1540
Best move: Qxg4