Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 c5 4. e3 a6 5. c3 Nc6 6. Bd3 c4 7. Bc2 Bg4 8. Nbd2
e6 9. Qe2 Qb6 10. O-O-O Be7 11. h3 Bf5 12. Bxf5 exf5 13. Ng5 Ne4 14. h4 Qa5 15.
Kb1 Qb6 16. Rc1 Ba3 17. Rc2 Nxc3+ 18. Rxc3 *
Position (FEN): r3k2r/1p3ppp/pqn5/3p1pN1/2pP1B1P/b1R1P3/PP1NQPP1/1K5R b kq - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 530
Best move: Qxb2#