Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Cozio_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O a6 5. Ba4 b5 6. Bb3 d6 7. Ng5 d5 8. Qf3
Be6 9. Nxe6 fxe6 10. exd5 exd5 11. d4 Nxd4 12. Qh5+ Ng6 13. Re1 Qf6 *
Position (FEN): r3kb1r/2p3pp/p4qn1/1p1pp2Q/3n4/1B6/PPP2PPP/RNB1R1K1 w kq - 4 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1070
Best move: Bxd5