Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Anglo-Indian_Defense
Moves: 1. c4 Nf6 2. Nc3 e6 3. g3 c6 4. Bg2 d5 5. d4 dxc4 6. e4 Bb4 7. Bg5 h6 8. Be3
O-O 9. Ne2 Qe7 10. h3 Rd8 11. Qc2 b5 12. O-O Bb7 13. e5 Nd5 14. Ne4 f5 15. exf6
Nxf6 16. Nf4 Nbd7 *
Position (FEN): r2r2k1/pb1nq1p1/2p1pn1p/1p6/1bpPNN2/4B1PP/PPQ2PB1/R4RK1 w - - 2 17
White to move.
Themes:  Middlegame  
Puzzle rating: 2212
Best move: a3