Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Qa5 5. Bd3 cxd4 6. exd4 Nc6 7. Nf3 d5 8.
Nbd2 Qd8 9. O-O Bd6 10. Bg3 O-O 11. Ne5 Qc7 12. f4 Nd7 13. Qh5 g6 14. Qe2 f6
15. Nxg6 hxg6 16. Bxg6 Kg7 17. Qg4 Rg8 18. Bh4 f5 19. Qg5 Be7 20. Qg3 Bxh4 21.
Qxh4 Qd8 22. Qh7+ Kf8 *
Position (FEN): r1bq1kr1/pp1n3Q/2n1p1B1/3p1p2/3P1P2/2P5/PP1N2PP/R4RK1 w - - 3 23
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 798
Best move: Qf7#