Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 Bc5 3. Nf3 Nf6 4. fxe5 Nxe4 5. d4 Bb6 6. Nbd2 Nxd2 7. Qxd2 O-O
8. Bc4 d5 9. exd6 Re8+ 10. Ne5 Nd7 11. Bxf7+ Kh8 12. Bxe8 Nxe5 13. dxe5 Qxe8
14. Qf4 cxd6 15. Qe4 dxe5 16. Bf4 Bd7 17. Qxe5 Qg6 18. O-O-O Re8 19. Qg5 Qe6
20. Rhe1 Qxa2 21. Rxe8+ Bxe8 22. Be5 Qa1+ 23. Kd2 Qa5+ 24. c3 Qd5+ 25. Kc2 Qe4+
26. Kb3 *
Position (FEN): 4b2k/pp4pp/1b6/4B1Q1/4q3/1KP5/1P4PP/3R4 b - - 4 26
Black to move.
Themes:  Endgame Dovetail Mate, Mate in 1 
Puzzle rating: 1526
Best move: Qa4#