Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Bd3 O-O 6. Nge2 c5 7. d5 e5 8. O-O
Nh5 9. Rb1 f5 10. a3 f4 11. Bd2 g5 12. Nc1 g4 13. b4 b6 14. bxc5 bxc5 15. a4
Nf6 16. Rb2 h5 17. N1a2 h4 18. Qb1 Bd7 19. Rb7 g3 20. fxg3 hxg3 21. hxg3 fxg3
22. Nb5 Bxb5 23. Qxb5 Nh5 24. Rxf8+ Qxf8 25. Be3 Nf4 26. Bf1 Nh3+ 27. gxh3 Qf3
28. Rxg7+ Kxg7 29. Qb3 Kg6 30. Bg2 Qe2 31. Bf1 *
Position (FEN): rn6/p7/3p2k1/2pPp3/P1P1P3/1Q2B1pP/N3q3/5BK1 b - - 5 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 985
Best move: Qh2#