Chess puzzle (Equality)
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 a6 7. Bg5 Be7 8. O-O
O-O 9. Kh1 Nc6 10. f4 h6 11. Nxc6 bxc6 12. Bxf6 Bxf6 13. Qh5 d5 14. Bd3 d4 15.
e5 dxc3 16. Rad1 Qa5 *
Position (FEN): r1b2rk1/5pp1/p1p1pb1p/q3P2Q/5P2/2pB4/PPP3PP/3R1R1K w - - 2 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1548
Best move: b4