Chess puzzle (Crushing)
Opening: Italian_Game, Italian_Game_Giuoco_Piano
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Nc3 O-O 6. Bb3 d6 7. d3 Bg4 8. h3
Bh5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nd4 12. Nxd4 *
Position (FEN): r2q1rk1/ppp2p2/3p1n1p/2b1p1pb/3NP3/1BNP2BP/PPP2PP1/R2Q1RK1 b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1198
Best move: Bxd1