Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Levitsky_Attack
Moves: 1. d4 d5 2. Bg5 Nd7 3. Nf3 f6 4. Bh4 g5 5. Nxg5 *
Position (FEN): r1bqkbnr/pppnp2p/5p2/3p2N1/3P3B/8/PPP1PPPP/RN1QKB1R b KQkq - 0 5
Black to move.
Themes:  Opening  
Puzzle rating: 823
Best move: fxg5