Chess puzzle (Checkmate)
Moves: 1. c4 c6 2. Nc3 Nf6 3. g3 d5 4. cxd5 cxd5 5. Bg2 e6 6. e3 Bd6 7. d4 O-O 8. Nge2
Nbd7 9. O-O b6 10. Bd2 Ba6 11. Rc1 Rc8 12. a4 Bxe2 13. Nxe2 Qe7 14. b4 Bxb4 15.
Nf4 Bxd2 16. Qxd2 a5 17. Rb1 Rc4 18. Ra1 Rfc8 19. Rfc1 g6 20. Bf1 Rxc1 21. Rxc1
Rxc1 22. Qxc1 Qb4 23. Bb5 Kg7 24. Qc7 Qe7 25. f3 g5 26. Nd3 Kf8 27. Ne5 Nxe5
28. Qxe5 h6 29. h4 gxh4 30. g4 Kg7 31. f4 Kg6 32. Bd3+ Ne4 33. f5+ Kh7 34. f6
Qf8 35. Kh2 Qa3 36. Bxe4+ dxe4 37. Qxe4+ Kg8 38. Qa8+ Kh7 39. Qe4+ Kg8 40. Qa8+
Qf8 41. Qxf8+ Kxf8 42. Kh3 Kg8 43. Kxh4 Kh7 44. Kh5 b5 45. axb5 a4 46. b6 a3
47. b7 a2 48. b8=Q a1=Q 49. Qf8 *
Position (FEN): 5Q2/5p1k/4pP1p/7K/3P2P1/4P3/8/q7 b - - 1 49
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1172
Best move: Qh1#