Chess puzzle (Checkmate)
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bg5 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 Qa3
8. Rb3 Qa5 9. e3 Nxe5 10. Be2 Nxf3+ 11. Bxf3 Nf6 12. O-O O-O 13. a3 Bxc3 14.
Bxc3 Qg5 15. Qa1 c6 16. Bxf6 gxf6 17. Qd4 d5 18. c4 dxc4 19. Qxc4 Be6 20. Qb4
Bxb3 21. Qxb3 Rab8 22. a4 h5 23. g3 h4 24. Qc4 Kg7 25. g4 f5 26. Qd4+ f6 27. h3
Rbd8 28. Qxa7 Rd7 29. Bxc6 fxg4 30. Bxd7 gxh3+ 31. Kh1 *
Position (FEN): 5r2/Qp1B2k1/5p2/6q1/P6p/4P2p/5P2/5R1K b - - 1 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 809
Best move: Qg2#