Chess puzzle (Checkmate)
Moves: 1. d4 Nc6 2. Nf3 g6 3. e4 d6 4. h3 Bg7 5. a3 e5 6. d5 Nce7 7. Bb5+ Bd7 8. Bd3
Nh6 9. g4 c5 10. Be3 f5 11. Ng5 f4 12. Bd2 Nxd5 13. exd5 Qxg5 14. f3 Nf7 15.
Nc3 a6 16. Qe2 h5 17. h4 Qf6 18. g5 Qe7 19. Bxg6 O-O-O 20. Bd3 Qe8 21. a4 Kb8
22. Ne4 Bf5 23. b4 Rc8 24. a5 c4 25. Bxc4 Bxe4 26. fxe4 Qf8 27. O-O Qe7 28. b5
axb5 29. Bxb5 Nxg5 30. hxg5 Qxg5+ 31. Kf2 *
Position (FEN): 1kr4r/1p4b1/3p4/PB1Pp1qp/4Pp2/8/2PBQK2/R4R2 b - - 1 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 886
Best move: Qg3#