Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. g3 a6 4. Bg2 Qc7 5. O-O d6 6. Re1 Nf6 7. c3 Nc6 8. d4 Be7
9. e5 dxe5 10. dxe5 Nd7 11. Bf4 h6 12. h4 b5 13. Nbd2 Bb7 14. Qe2 O-O-O 15. a4
b4 16. Nc4 g5 17. hxg5 hxg5 18. Nxg5 Rdf8 19. a5 Kb8 20. Nd6 Bxg5 21. Nxb7 Bxf4
22. Nxc5 Nxc5 23. cxb4 Nb3 24. Ra3 Ncd4 25. Qxa6 Bxe5 *
Position (FEN): 1k3r1r/2q2p2/Q3p3/P3b3/1P1n4/Rn4P1/1P3PB1/4R1K1 w - - 0 26
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1335
Best move: Qa8#