Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Bg4 7. O-O e6 8. h3
Bh5 9. g4 Nxc3 10. bxc3 Bg6 11. d4 Qc7 12. Ba3 Rd8 13. Qe2 cxd4 14. Bxf8 d3 15.
cxd3 Bxd3 16. Qe3 Bxf1 17. Bxg7 Rg8 18. Bf6 Rd3 19. Qe4 Bxg2 20. Qxd3 Bxh3 21.
g5 Qf4 22. Qxh7 Qg4+ 23. Kh2 *
Position (FEN): 4k1r1/pp3p1Q/2n1pB2/6P1/6q1/2P2N1b/P4P1K/R7 b - - 2 23
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1062
Best move: Qg2#