Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nc6 3. c3 Nf6 4. e3 Bg4 5. Bd3 e6 6. Nbd2 Bd6 7. e4 Qe7 8. e5
Nxe5 9. dxe5 Bxe5 10. O-O Qd6 11. Qe1 Bxf3 12. Nxf3 Nd7 13. Nxe5 Nxe5 14. Bc2
d4 15. Bf4 f6 16. cxd4 Qxd4 17. Bxe5 fxe5 18. Qc3 Qb6 19. b3 O-O-O 20. Qxe5 Rd2
21. Qe4 Rf8 22. Rad1 Rfxf2 23. Rxf2 Qxf2+ 24. Kh1 Rxd1+ 25. Bxd1 *
Position (FEN): 2k5/ppp3pp/4p3/8/4Q3/1P6/P4qPP/3B3K b - - 0 25
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 799
Best move: Qf1#