Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Qe2+ Be6 5. Qb5+ Qd7 *
Position (FEN): rn2kbnr/pppq1ppp/4b3/1Q1p4/3P4/8/PPP2PPP/RNB1KBNR w KQkq - 4 6
White to move.
Themes:  Opening  
Puzzle rating: 1153
Best move: Qxb7