Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Declined_Variation
Moves: 1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Bb5 Bd7 6. d4 O-O-O 7. O-O Nf6
8. b4 Qxb4 9. Bd2 Nxd4 10. Nxd4 *
Position (FEN): 2kr1b1r/pppbpppp/5n2/1B6/1q1N4/2N5/P1PB1PPP/R2Q1RK1 b - - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 958
Best move: Qxd4