Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 Nf6 2. Bf4 d5 3. Nf3 c6 4. e3 e6 5. Be2 Nbd7 6. a3 Be7 7. h4 h6 8. Ne5
Ne4 9. h5 Ndf6 10. f3 Nd6 11. Nc3 a6 12. Qd3 Nc4 13. O-O-O b5 14. Nxc6 Qb6 15.
Nxe7 Kxe7 16. g4 b4 17. axb4 Qxb4 18. Na2 *
Position (FEN): r1b4r/4kpp1/p3pn1p/3p3P/1qnP1BP1/3QPP2/NPP1B3/2KR3R b - - 1 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 653
Best move: Qxb2#