Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Other_variations
Moves: 1. e4 e5 2. Nc3 Bb4 3. Qg4 Qf6 *
Position (FEN): rnb1k1nr/pppp1ppp/5q2/4p3/1b2P1Q1/2N5/PPPP1PPP/R1B1KBNR w KQkq - 4 4
White to move.
Themes:  Opening  
Puzzle rating: 1003
Best move: Nd5