Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. exf6 dxc4 7. Qe2+ Be6 8.
fxg7 Bxg7 9. O-O Qd7 10. Nbd2 O-O-O 11. Nxc4 Bxc4 12. Qxc4 Kb8 13. Bf4 Rhg8 14.
Rfd1 Qf5 15. Bg3 Bf8 16. Nxd4 Qf6 17. Nxc6+ bxc6 18. Rxd8+ Qxd8 19. Qxf7 Bd6
20. Rd1 Qg5 21. Qb3+ Kc8 22. Qe6+ Kb8 23. Qe3 Bf4 24. Qb3+ Ka8 25. Rd3 Bxg3 26.
Rxg3 *
Position (FEN): k5r1/p1p4p/2p5/6q1/8/1Q4R1/PPP2PPP/6K1 b - - 0 26
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 465
Best move: Qc1#