Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Other_variations
Moves: 1. e4 e5 2. Nc3 Bb4 3. g3 d6 4. Bg2 Bg4 *
Position (FEN): rn1qk1nr/ppp2ppp/3p4/4p3/1b2P1b1/2N3P1/PPPP1PBP/R1BQK1NR w KQkq - 2 5
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 512
Best move: Qxg4