Chess puzzle (Crushing)
Opening: Philidor_Defense, Philidor_Defense_Nimzowitsch_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 d6 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Nc6 7. Nc3 Be7
8. O-O-O+ Bd7 9. Bc4 h6 10. Bxf6 Bxf6 11. Bxf7 Rf8 12. Bb3 Kc8 13. Rd2 b6 14.
Kb1 Bg4 15. Rhd1 Kb7 16. Bd5 Rfe8 17. Bxc6+ Kxc6 18. Rd7 *
Position (FEN): r3r3/p1pR2p1/1pk2b1p/4p3/4P1b1/2N2N2/PPP2PPP/1K1R4 b - - 1 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1234
Best move: Bxd7