Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 a6 7. f3 Nbd7 8. Qd2
b5 9. g4 Bb7 10. O-O-O Rc8 11. g5 Nh5 12. Kb1 Bg7 13. Bh3 Rc7 14. Bg4 Ne5 15.
b3 O-O 16. Nd5 Bxd5 17. exd5 Qa8 18. Bxh5 gxh5 19. f4 Ng4 20. Nc6 Rxc6 21. dxc6
Nxe3 22. Qxe3 Qxc6 23. Rhe1 Rc8 24. Re2 e6 25. Red2 d5 26. f5 exf5 27. Rc1 b4
28. Qd3 a5 29. c4 bxc3 30. Qxd5 Qg6 31. Rdc2 Qxg5 32. Rg2 Qf6 33. Kc2 Rd8 34.
Rxg7+ Kxg7 35. Qg2+ Kh6 36. Rd1 Rxd1 37. Kxd1 Qd4+ 38. Kc2 f4 39. h4 f3 *
Position (FEN): 8/5p1p/7k/p6p/3q3P/1Pp2p2/P1K3Q1/8 w - - 0 40
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 880
Best move: Qg5#