Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. c4 d5 3. e3 Nf6 4. Nf3 a6 5. Nc3 b5 6. cxd5 cxd5 7. a3 Nc6 8. g3
Bg4 9. h3 Bxf3 10. Qxf3 e6 11. Bg2 Bd6 12. O-O O-O 13. Rd1 Rc8 14. e4 dxe4 15.
Nxe4 Nxe4 16. Qxe4 Na5 17. Bd2 Nb3 18. Rab1 Be7 19. Bc3 Bf6 20. Qb7 Nxd4 21.
Bxd4 Bxd4 22. Qxa6 Rc2 23. Rf1 Qf6 24. Qxb5 Rxf2 25. Kh2 h6 26. b4 Rc8 27. Rxf2
Qxf2 28. Rf1 Qe3 29. Qd7 Rf8 30. a4 h5 31. Rf3 *
Position (FEN): 5rk1/3Q1pp1/4p3/7p/PP1b4/4qRPP/6BK/8 b - - 1 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 746
Best move: Qg1#