Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Two_Knights_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Qf6
8. Bxd5+ Be6 9. Bxc6 bxc6 10. Qxc6 Bb4 11. Qxc7+ Be7 12. O-O Rac8 13. Qxa7 Rhf8
14. Qe3 Kg8 15. c3 Bc5 16. d4 exd4 17. cxd4 *
Position (FEN): 2r2rk1/6pp/4bq2/2b5/3P4/4Q3/PP3PPP/RNB2RK1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 808
Best move: Bxd4