Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Declined_Variation
Moves: 1. e4 Nc6 2. Nf3 d5 3. Bb5 Bg4 4. exd5 Qxd5 5. O-O *
Position (FEN): r3kbnr/ppp1pppp/2n5/1B1q4/6b1/5N2/PPPP1PPP/RNBQ1RK1 b kq - 1 5
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1633
Best move: Qxb5