Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 Nf6
8. Nc3 e6 9. O-O Be7 10. b3 O-O 11. Bb2 a6 12. Kh1 Rac8 13. f4 Rfd8 14. Na4 Qc7
15. Rc1 Nxd4 16. Qxd4 Bf8 17. Rf3 Nd7 18. Rg3 e5 19. Qe3 b5 20. cxb5 Qb7 21.
bxa6 Qxa6 22. f5 Rxc1+ 23. Qxc1 Rc8 24. Rc3 Rxc3 25. Nxc3 Nc5 26. Qd2 *
Position (FEN): 5bk1/5ppp/q2p4/2n1pP2/4P3/1PN5/PB1Q2PP/7K b - - 2 26
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 569
Best move: Qf1#