Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nc6 3. Nf3 e6 4. d3 Bd6 5. d4 cxd4 6. cxd4 Bb4+ 7. Nc3 Nge7 8.
Bd3 O-O 9. O-O f5 10. d5 fxe4 11. Bxe4 exd5 12. Nxd5 Nxd5 13. Qxd5+ Kh8 14. Ng5
Qf6 15. Nxh7 Qe5 16. Nxf8 Bxf8 17. Qf7 Bd6 18. Bf4 Qxf4 19. Qh5+ Kg8 20. Bd5+
Kf8 21. g3 Qh6 *
Position (FEN): r1b2k2/pp1p2p1/2nb3q/3B3Q/8/6P1/PP3P1P/R4RK1 w - - 1 22
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1066
Best move: Qf7#