Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 dxc4 5. Qxc4 Bg7 6. e4 O-O 7. Nf3 Nfd7 8.
Be3 Nc6 9. Rd1 Nb6 10. Qb3 Bg4 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh3 14. f4 Bg2
15. Rg1 Bxc3+ 16. bxc3 Bxe4 17. c4 Qd7 18. f3 Bf5 19. c5 Nc8 20. Qxb7 Nd6 21.
cxd6 exd6 22. Qc6 Qe7 23. Qc3 Rfe8 24. Kf2 Qh4+ 25. Kg2 Re7 26. Bf1 Rae8 27.
Bd4 Re2+ 28. Bxe2 Rxe2+ 29. Kf1 Qxh2 30. Rg3 Bh3+ 31. Rxh3 *
Position (FEN): 6k1/p1p2p1p/3p2p1/3P4/3B1P2/2Q2P1R/P3r2q/3R1K2 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1192
Best move: Qg2#