Chess puzzle (Checkmate)
Moves: 1. e3 e5 2. g3 d5 3. Bg2 e4 4. h3 f5 5. a3 Nf6 6. b3 Nc6 7. Bb2 Be6 8. Nc3 Bd6
9. Nge2 Qe7 10. Nf4 Bxf4 11. gxf4 h6 12. Qe2 d4 13. exd4 Nxd4 14. Qd1 Nf3+ 15.
Bxf3 exf3 16. O-O g5 17. Qxf3 g4 18. Qxb7 Rd8 19. Rfe1 gxh3 20. Qc6+ Kf8 21.
Qxe6 Qg7+ 22. Kh1 *
Position (FEN): 3r1k1r/p1p3q1/4Qn1p/5p2/5P2/PPN4p/1BPP1P2/R3R2K b - - 2 22
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 789
Best move: Qg2#