Chess puzzle (Equality)
Moves: 1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. d4 b6 5. Bb5 Bd7 6. a4 a6 7. Bc4 b5 8. axb5
axb5 9. Rxa8 Qxa8 10. Bxb5 Qa5 11. Na3 cxd4 12. Nxd4 Nxd4 13. Bxd7+ Kxd7 14.
Qxd4 Nf6 15. O-O e5 16. Qb4 *
Position (FEN): 5b1r/3k1ppp/3p1n2/q3p3/1Q2P3/N1P5/1P3PPP/2B2RK1 b - - 1 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1170
Best move: Qxb4