Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. e5 c5 3. f4 Nc6 4. Nf3 Bg4 5. Bb5 e6 6. Bxc6+ bxc6 7. O-O Qb6 8. c3
Ne7 9. d4 Nf5 10. h3 Bxf3 11. Qxf3 cxd4 12. cxd4 Qxd4+ 13. Kh2 h5 14. Nc3 h4
15. Ne2 Qb6 16. g4 hxg3+ 17. Nxg3 Nxg3 18. Qxg3 Be7 19. Qxg7 O-O-O 20. Qxf7 Bh4
21. Qxe6+ Kb8 22. Bd2 Rhg8 23. Be1 Bxe1 24. Raxe1 Qxb2+ 25. Kh1 *
Position (FEN): 1k1r2r1/p7/2p1Q3/3pP3/5P2/7P/Pq6/4RR1K b - - 1 25
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 859
Best move: Qg2#