Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Bd3 c5 5. Nc3 Bd7 6. Nf3 Nc6 7. Nb5 c4 8. Nc7+
Ke7 9. Nxa8 cxd3 10. Nc7 e5 11. dxe5 Nh5 12. Nxd5+ Ke8 13. e6 fxe6 14. Nc7+ Ke7
15. Bg5+ Nf6 16. Bxf6+ gxf6 17. Nb5 Nb4 18. cxd3 *
Position (FEN): 3q1b1r/pp1bk2p/4pp2/1N6/1n6/3PPN2/PP3PPP/R2QK2R b KQ - 0 18
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1156
Best move: Bxb5