Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 e6 3. c3 d5 4. e5 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. dxc5 Bxc5 8. O-O
a5 9. a4 Nge7 10. Na3 Ng6 11. Qe2 O-O 12. Nb5 Nce7 13. h4 Bxb5 14. axb5 Nf5 15.
h5 Nge7 16. Bf4 h6 17. g4 g5 18. gxf5 gxf4 19. f6 Nf5 20. Nh4 Nxh4 21. Qg4+ Kh8
*
Position (FEN): r4r1k/1p3p2/1q2pP1p/pPbpP2P/5pQn/2PB4/1P3P2/R4RK1 w - - 2 22
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 774
Best move: Qg7#