Chess puzzle (Equality)
Moves: 1. d4 Nf6 2. c4 d5 3. e3 g6 4. Nf3 Bg7 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. cxd5
Nxd5 9. Bc4 e6 10. Bxd5 cxd5 11. O-O O-O 12. Bd2 a6 13. Na4 Nd7 14. Rfc1 Nb6
15. Nxb6 *
Position (FEN): r2q1rk1/1p3pbp/pN2p1p1/3p4/3P4/4PQ1P/PP1B1PP1/R1R3K1 b - - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1616
Best move: Qxb6