Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nf6 5. Be2 d5 6. cxd5 exd5 7. exd5 Nxd5 8.
d4 Nxc3 9. bxc3 cxd4 10. cxd4 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 O-O 13. d5 Qf6 14.
O-O Rd8 15. Rac1 Ne7 16. Bc4 Bg4 17. Rc3 Rac8 18. Rfc1 b5 19. Bb3 Rxc3 20. Rxc3
a5 21. h3 Bxf3 22. Rxf3 Qa1+ 23. Kh2 a4 24. d6 Qe5+ 25. g3 Rxd6 26. Bxf7+ Kh8
27. Rd3 Rxd3 28. Qxd3 Nc6 29. Qf3 Qe7 30. Qxc6 Qxf7 31. Kg2 Qxa2 32. Qxb5 h6
33. h4 Qc2 34. Qb4 Kh7 35. h5 Qb3 36. Qe4+ Kg8 37. Qa8+ Kh7 38. g4 a3 39. g5 a2
*
Position (FEN): Q7/6pk/7p/6PP/8/1q6/p4PK1/8 w - - 0 40
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1182
Best move: g6#