Chess puzzle (Equality)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. N5c3 h6 7. f3 Nc6 8. Na3
Nf6 9. Be3 Be6 10. Qd2 Be7 11. O-O-O b5 12. Nd5 O-O 13. Nxe7+ Qxe7 14. Qxd6
Rac8 15. Qxe7 Nxe7 16. Kb1 *
Position (FEN): 2r2rk1/4npp1/p3bn1p/1p2p3/4P3/N3BP2/PPP3PP/1K1R1B1R b - - 1 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1408
Best move: b4