Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 b5 8. Bb3
h6 9. Bxf6 Qxf6 10. O-O Bb7 11. a3 Nc6 12. Nxc6 Bxc6 13. f3 Rd8 14. Qe2 Qd4+
15. Kh1 Be7 16. Rad1 Qb6 17. Rd2 O-O 18. Rfd1 Rd7 19. f4 Rfd8 20. f5 exf5 21.
exf5 Bf6 22. Ne4 Bxe4 23. Qxe4 Bxb2 24. Qf4 Be5 25. Qxe5 dxe5 26. Rxd7 Rxd7 27.
Rxd7 Qf6 28. Rxf7 Qxf7 29. Bxf7+ Kxf7 30. g4 a5 31. Kg2 b4 32. axb4 a4 33. b5
a3 34. b6 a2 35. b7 a1=Q 36. b8=Q Qc3 37. Qb7+ Kg8 38. Qd5+ Kh7 39. Qd3 Qc6+
40. Kg3 Kg8 41. h4 Qh1 42. g5 hxg5 43. hxg5 Qg1+ 44. Kf3 Qh1+ 45. Kg4 Qg2+ 46.
Kh5 Qh2+ 47. Kg6 *
Position (FEN): 6k1/6p1/6K1/4pPP1/8/3Q4/2P4q/8 b - - 8 47
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1256
Best move: Qh7#