Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Nc3 a6 7. Bd3 Nf6 8.
O-O h5 9. Bg5 Ng4 10. h3 Nge5 11. Qe2 d6 12. Kh1 Bd7 13. f4 Ng6 14. Rad1 f6 15.
f5 exf5 16. exf5+ Nge5 17. Be3 Qb4 18. Nd5 Qh4 19. Nc7+ Kf7 20. Nxa8 d5 21. Nb6
Be8 22. Nxd5 Bd6 23. Kg1 Ng4 24. Nf4 Qg3 25. Bc4+ Kf8 26. Ng6+ Bxg6 27. fxg6 *
Position (FEN): 5k1r/1p4p1/p1nb1pP1/7p/2B3n1/1N2B1qP/PPP1Q1P1/3R1RK1 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 855
Best move: Qh2#