Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 d5 3. c3 c5 4. Bf4 Nc6 5. e3 Bd6 6. Bg3 Bxg3 7. hxg3 Nf6 8. Bd3
cxd4 9. exd4 Qb6 10. b3 Bd7 11. Nbd2 h6 12. O-O O-O 13. Re1 a5 14. Qe2 a4 15.
b4 a3 16. Ne5 Nxe5 17. Qxe5 Bb5 18. Bc2 Rac8 19. Re3 Ng4 20. Qf4 Nxe3 21. Qxe3
Qc7 22. Rc1 Kh8 23. Bb1 Qd6 24. Nb3 Bc4 25. Nc5 b6 26. Nd3 Bxd3 27. Qxd3 e5 *
Position (FEN): 2r2r1k/5pp1/1p1q3p/3pp3/1P1P4/p1PQ2P1/P4PP1/1BR3K1 w - - 0 28
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 440
Best move: Qh7#