Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. d4 d5 3. e5 a6 4. Nc3 Bf5 5. Nf3 e6 6. Bg5 Qd7 7. Bd3 Bg4 8. h3
Bxf3 9. gxf3 Nxd4 10. Bxh7 Nxf3+ 11. Qxf3 Rxh7 12. O-O-O Be7 13. Rhg1 f6 14.
exf6 gxf6 15. Qd3 Rg7 16. Bh4 Rxg1 17. Rxg1 O-O-O 18. Qh7 Qe8 19. Rg7 Kb8 20.
Bg3 f5 21. Rxg8 Qxg8 22. Qxe7 Rc8 23. Na4 f4 24. Bh4 Re8 25. Qg5 Qf7 26. Qf6
Qh5 27. Nc5 Qe2 28. Qxf4 *
Position (FEN): 1k2r3/1pp5/p3p3/2Np4/5Q1B/7P/PPP1qP2/2K5 b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1087
Best move: Qe1#