Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Bd3 c5 6. c3 b6 7. Nbd2 Bb7 8. O-O
d6 9. Qc2 Nbd7 10. Rad1 Rc8 11. Qb3 e5 12. dxe5 dxe5 13. Bxe5 Nxe5 14. Nxe5 Qe7
15. Ndf3 Ne4 16. Nc4 Ng5 17. Ncd2 Nxf3+ 18. Nxf3 Bxf3 19. gxf3 Qg5+ 20. Kh1 Qh5
21. Be4 c4 22. Qc2 Rfd8 23. Rxd8+ Rxd8 24. Rd1 Rxd1+ 25. Qxd1 Be5 26. Qd8+ Kg7
27. f4 Qe2 28. fxe5 *
Position (FEN): 3Q4/p4pkp/1p4p1/4P3/2p1B3/2P1P3/PP2qP1P/7K b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1077
Best move: Qf1#