Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 a6 4. Ng5 *
Position (FEN): rnbqkbnr/1pp2ppp/p2p4/4p1N1/2B1P3/8/PPPP1PPP/RNBQK2R b KQkq - 1 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 870
Best move: Qxg5