Chess puzzle (Crushing)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. d3 Nf6 5. h3 Bh5 6. O-O Be7 7. Nc3 O-O 8. Nd5
Nc6 9. a3 Nxd5 10. Bxd5 Nd4 11. Nxd4 *
Position (FEN): r2q1rk1/ppp1bppp/3p4/3Bp2b/3NP3/P2P3P/1PP2PP1/R1BQ1RK1 b - - 0 11
Black to move.
Themes:  Opening  
Puzzle rating: 1286
Best move: Bxd1