Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. e3 Nf6 4. cxd5 Nxd5 5. a3 Be7 6. Nf3 O-O 7. Bd3 Nc6 8. O-O
h6 9. Bc2 Bf6 10. Qd3 g6 11. e4 Nde7 12. Bxh6 Nxd4 13. Bxf8 Kxf8 14. Nxd4 Bxd4
15. Nc3 c5 16. Rad1 Nc6 17. Qb5 a6 18. Qe2 Qf6 19. Kh1 b5 20. f4 Bb7 21. e5 Qh4
22. Bb1 Kg7 23. Qc2 Rh8 24. g3 Nb4+ 25. Ne4 Bxe4+ 26. Qxe4 *
Position (FEN): 7r/5pk1/p3p1p1/1pp1P3/1n1bQP1q/P5P1/1P5P/1B1R1R1K b - - 0 26
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 663
Best move: Qxh2#