Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e5 3. d5 Bc5 4. e3 c6 5. Nc3 cxd5 6. Nxd5 Nxd5 7. Qxd5 d6 8. a3
Nd7 9. b4 Nf6 10. Qd1 Bb6 11. Bb2 O-O 12. Nf3 Bc7 13. Be2 Bg4 14. h3 Bh5 15.
O-O Qe7 16. Nh2 Bg6 17. f3 Rad8 18. e4 Bb6+ 19. Kh1 Nh5 20. Qe1 Qg5 21. Ng4 f5
22. exf5 Bxf5 23. Bc1 Qg6 24. Kh2 Nf6 25. Nxf6+ Rxf6 26. Qg3 Qf7 27. Bb2 Rg6
28. Qe1 Bc7 29. Rd1 Qe7 30. Bd3 Qg5 31. Bxf5 *
Position (FEN): 3r2k1/ppb3pp/3p2r1/4pBq1/1PP5/P4P1P/1B4PK/3RQR2 b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1380
Best move: Qxg2#