Chess puzzle (Advantage)
Opening: Indian_Defense, Indian_Defense_London_System
Moves: 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. Bd3 c4 6. Be2 Nc6 7. c3 Bd6 8. Bg3
Qe7 9. Qc2 Bd7 10. Nbd2 O-O-O 11. O-O h5 12. b3 cxb3 13. Nxb3 Ng4 14. Nc5 Bxc5
15. dxc5 Qxc5 16. Nd4 Nxd4 *
Position (FEN): 2kr3r/pp1b1pp1/4p3/2qp3p/3n2n1/2P1P1B1/P1Q1BPPP/R4RK1 w - - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1210
Best move: exd4