Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 a6 5. Ba4 Bg4 6. h3 Bh5 7. O-O h6 8. d3 g5
9. Nh2 *
Position (FEN): r2qkbnr/1pp2p2/p1np3p/4p1pb/B3P3/2NP3P/PPP2PPN/R1BQ1RK1 b kq - 1 9
Black to move.
Themes:  Middlegame  
Puzzle rating: 685
Best move: Bxd1