Chess puzzle (Checkmate)
Opening: London_System, London_System_Other_variations
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. Nc3 Nh5 5. Bg3 O-O 6. Qd2 c6 7. e4 d5 8.
O-O-O dxe4 9. Nxe4 e6 10. Kb1 Nd7 11. Bh4 Qb6 12. g4 Nhf6 13. Nxf6+ Nxf6 14.
Bxf6 Bxf6 15. h4 Bg7 16. h5 c5 17. dxc5 *
Position (FEN): r1b2rk1/pp3pbp/1q2p1p1/2P4P/6P1/5N2/PPPQ1P2/1K1R1B1R b - - 0 17
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1064
Best move: Qxb2#