Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. Nc3 Bg7 3. Bf4 d6 4. e3 Nf6 5. h4 Nc6 6. h5 Bf5 7. h6 Bf8 8. Bd3
Bxd3 9. Qxd3 Nb4 10. Qb5+ Nc6 11. Qxb7 Na5 12. Qb5+ c6 13. Qa6 Rb8 14. Qxa7
Rxb2 15. Rb1 Rxb1+ 16. Nxb1 Nc4 17. Nc3 e5 18. dxe5 dxe5 19. Bg5 Qd2+ 20. Kf1
Qxc3 21. Bxf6 Nd2+ 22. Ke2 Qc4+ 23. Kxd2 Bb4+ 24. Kd1 *
Position (FEN): 4k2r/Q4p1p/2p2BpP/4p3/1bq5/4P3/P1P2PP1/3K2NR b k - 2 24
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1138
Best move: Qf1#