Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 4. Nc3 cxd4 5. exd4 Nc6 6. d5 Nd8 7. Nf3 a6 8.
Rb1 d6 9. Be2 Bf5 10. O-O g6 11. Nd4 Bd7 12. Re1 Bg7 13. Be3 Qc7 14. Bf3 O-O
15. Qd2 Re8 16. Bh6 Bh8 17. Qf4 b5 18. a3 Nb7 19. h3 Nc5 20. g4 Bc8 21. g5 Nfd7
22. Nc6 Ne5 23. Nxe5 dxe5 24. Qe3 Qd6 25. Rbd1 Bxh3 26. b4 Na4 27. Ne4 Qb8 28.
d6 exd6 29. Nxd6 Qd8 30. Bxa8 Qxa8 31. Nxe8 *
Position (FEN): q3N1kb/5p1p/p5pB/1p2p1P1/nP6/P3Q2b/2P2P2/3RR1K1 b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 826
Best move: Qg2#