Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bb6 6. Nc3 d6 7. Qd2 Nf6 8.
f3 a6 9. O-O-O Bd7 10. g4 Ne5 11. Be2 h6 12. h4 Ba5 13. g5 Nh7 14. gxh6 gxh6
15. Rdg1 Qf6 16. Nb3 Bb4 17. Bxh6 Bxc3 18. bxc3 Nxf3 19. Bxf3 Qxf3 20. Rf1 Qh5
21. Bg5 Nxg5 22. hxg5 Qxh1 23. Rxh1 Rxh1+ 24. Kb2 O-O-O 25. Na5 Rdh8 26. Qd5 b6
*
Position (FEN): 2k4r/2pb1p2/pp1p4/N2Q2P1/4P3/2P5/PKP5/7r w - - 0 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1741
Best move: Qa8#