Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. Nf3 b6 3. d4 Bb7 4. Bd3 e6 5. e5 Qe7 6. O-O O-O-O 7. a4 Qb4 8. c3
Qe7 9. Qe2 f6 10. Ba6 fxe5 11. Bxb7+ Kxb7 12. Nxe5 Nxe5 13. Qxe5 Qh4 14. g3 Qh3
15. a5 Nf6 16. f3 Bd6 17. a6+ Kc8 18. Qe2 h5 19. Rf2 h4 20. g4 Rdf8 21. Rg2 Nd5
22. c4 Nf4 23. Bxf4 Rxf4 24. Nc3 Rxf3 25. Qe4 Bxh2+ 26. Rxh2 Rg3+ 27. Kh1 Qxg4
*
Position (FEN): 2k4r/p1pp2p1/Pp2p3/8/2PPQ1qp/2N3r1/1P5R/R6K w - - 0 28
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1607
Best move: Qa8#