Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. Nxe5 Nf6 6. d3 d5 7. Nxc6 Qd6 8.
exd5 Qxd5 9. Qe2+ Be6 10. Qf3 Qxf3 11. gxf3 Bd5 12. Nd4 Bc5 13. Nc3 *
Position (FEN): r3k2r/2p2ppp/p4n2/2bb4/3N4/2NP1P2/PPP2P1P/R1B1K2R b KQkq - 4 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1009
Best move: Bxd4