Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Stonewall_Attack
Moves: 1. d4 Nf6 2. e3 d5 3. Bd3 c6 4. h3 e6 5. Nf3 Bd6 6. Nbd2 O-O 7. Qe2 c5 8. dxc5
Bxc5 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 g6 12. Bh6 Qb6 13. O-O-O f5 14. Qc4 Bxf2
15. Bxf8 Kxf8 16. Qxc8+ Kg7 17. Kb1 Bd4 18. Bc4 *
Position (FEN): rnQ5/pp4kp/1q2p1p1/5p2/2Bb4/5N1P/PPP3P1/1K1R3R b - - 4 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 726
Best move: Qxb2#