Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 Nge7
8. Qh5 Be6 9. Rb1 b6 10. Nf3 Qd7 11. O-O O-O-O 12. Bf4 f6 13. Rfe1 Bg4 14. Qf7
Rdf8 15. Qxg7 Rhg8 16. Qh6 Bxf3 17. Bg3 Be4 18. Bxe4 dxe4 19. Rxe4 Nf5 20. Qf4
Nxg3 21. hxg3 Re8 22. Rbe1 f5 23. Rxe8+ Rxe8 24. Rxe8+ Qxe8 25. Qxf5+ Qd7 26.
Qe4 Ne7 *
Position (FEN): 2k5/p1pqn2p/1p6/8/3PQ3/P1P3P1/2P2PP1/6K1 w - - 3 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 871
Best move: Qa8#