Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. Nf3 Bg4 6. c3 e6 7. Nbd2 Bd6 8.
Bxd6 Qxd6 9. Bd3 Nf6 10. O-O O-O 11. Qe1 Bxf3 12. Nxf3 Qc7 13. Qd2 Rab8 14.
Rfe1 Rfe8 15. Ne5 Nxe5 16. dxe5 Nd7 17. Qg5 b5 18. a3 a5 19. Re3 Nf8 20. Rg3 g6
21. h4 b4 22. axb4 axb4 23. h5 bxc3 24. bxc3 Rb2 25. h6 Qe7 26. Qf4 Reb8 27.
Rf3 Nd7 28. Ra7 R2b7 29. Ra6 Nc5 30. Rc6 Nxd3 31. Rxd3 Qf8 32. Rh3 Rb1+ 33. Kh2
R1b2 34. Qf6 R2b6 35. Rxb6 Rxb6 36. g4 Rc6 37. g5 Rc8 38. Rf3 Rc7 39. Rd3 Qe7 *
Position (FEN): 6k1/2r1qp1p/4pQpP/3pP1P1/8/2PR4/5P1K/8 w - - 5 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 831
Best move: Qg7#