Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. b3 Nc6 3. Bb2 Nf6 4. e3 g6 5. c4 Bg7 6. Be2 O-O 7. O-O d6 8. d4
Bg4 9. d5 Bxf3 10. Bxf3 Ne5 11. Be2 a6 12. Nc3 b5 13. cxb5 axb5 14. Nxb5 Ne4
15. f3 Nf6 16. Qd2 Qb6 17. a4 Bh6 18. f4 Ned7 19. Bf3 Ne8 20. g4 Bg7 21. Bxg7
Kxg7 22. Qc3+ Kg8 23. h4 Nc7 24. Nxc7 Qxc7 25. h5 Rfb8 26. h6 f6 27. Rfb1 Qa5
28. Qc2 Rb4 29. Be2 Qd8 30. Bb5 Ra7 31. Rd1 Qf8 32. Qh2 g5 33. Bxd7 Rxd7 34.
Rf1 gxf4 35. Rxf4 Rdb7 36. g5 Rxb3 37. gxf6 Rb1+ 38. Rxb1 Rxb1+ 39. Rf1 Rxf1+
40. Kxf1 Qxf6+ 41. Ke1 Qa1+ 42. Kf2 Kf7 43. Qf4+ Ke8 44. Kf3 Qf1+ 45. Kg4 Qg2+
46. Kf5 *
Position (FEN): 4k3/4p2p/3p3P/2pP1K2/P4Q2/4P3/6q1/8 b - - 11 46
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1183
Best move: Qg6#