Chess puzzle (Advantage)
Opening: Ponziani_Opening, Ponziani_Opening_Reti_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 Nge7 4. h3 Ng6 5. d3 Be7 6. Be2 d6 7. Be3 a6 8. O-O
O-O 9. Nbd2 f5 10. exf5 Bxf5 11. Nh2 d5 12. Bg4 Qd7 13. Bxf5 Qxf5 14. Qf3 Qxd3
15. Qd1 d4 16. cxd4 *
Position (FEN): r4rk1/1pp1b1pp/p1n3n1/4p3/3P4/3qB2P/PP1N1PPN/R2Q1RK1 b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1389
Best move: exd4