Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 e6 4. dxe6 fxe6 5. Nf3 Bb4 6. Bc4 O-O 7. O-O a6 8.
d3 b5 9. Bb3 Bd7 10. Bd2 a5 11. a3 Be7 12. Nd4 Qe8 13. Bxe6+ Bxe6 14. Nxe6 Bd6
15. Nxf8 Qxf8 16. Nxb5 Nbd7 17. Nxd6 cxd6 18. Re1 Ne5 19. Bf4 Nfg4 20. Bg3 Re8
21. d4 Nxf2 22. Bxf2 Ng6 23. Rxe8 Qxe8 24. Qe1 Qf7 25. Qxa5 h6 26. Qd8+ Kh7 27.
Qxd6 Nf4 28. Qe5 g5 29. Rf1 Qb7 30. Qf5+ Kg8 31. b4 *
Position (FEN): 6k1/1q6/7p/5Qp1/1P1P1n2/P7/2P2BPP/5RK1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 919
Best move: Qxg2#