Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 e5 5. d3 d6 6. Bg2 Be6 7. O-O h6 8. a3 Be7
9. Rb1 O-O 10. Bd2 d5 11. cxd5 Nxd5 12. Qc2 Qd7 13. Rfd1 Rac8 14. e4 Nxc3 15.
Bxc3 Nd4 16. Qd2 Bf6 17. Nxd4 *
Position (FEN): 2r2rk1/pp1q1pp1/4bb1p/2p1p3/3NP3/P1BP2P1/1P1Q1PBP/1R1R2K1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1457
Best move: exd4