Chess puzzle (Crushing)
Opening: London_System, London_System_Other_variations
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nf3 d6 4. e3 Bg7 5. Bd3 O-O 6. Nbd2 Nbd7 7. O-O Nh5 8.
Bg3 Nxg3 9. hxg3 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. f4 Bxb2 13. Rb1 Bg7 14. e4
Be6 15. Re1 Re8 16. Rxb7 Bxa2 17. c4 Rb8 18. Rxa7 *
Position (FEN): 1r1qr1k1/R1p2pbp/3p2p1/8/2P1PP2/3B2P1/b2N2P1/3QR1K1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1307
Best move: Bd4+