Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 Nbd7 8.
Nxc4 c5 9. Nc3 cxd4 10. Qxd4 Bc5 11. Qd3 Qe7 12. Bf4 e5 13. Be3 Bxe3 14. Nxe3
Nc5 15. Qc2 Be6 16. b4 Na6 17. a3 Rac8 18. Qb2 Rfd8 19. Rac1 h6 20. Ncd5 Nxd5
21. Nxd5 Bxd5 22. Rxc8 Rxc8 23. Bxd5 Qd6 24. Rd1 Qe7 25. Qb1 Rd8 26. Qe4 Nc7
27. h4 Nb5 28. Qd3 Nd6 29. Qc3 b6 30. Bb3 Nb5 31. Rxd8+ Qxd8 32. Bxf7+ Kxf7 33.
Qc4+ Kf8 34. Qxb5 Qd4 35. Kg2 Qe4+ 36. Kh2 Qd4 37. e3 Qd2 38. Kg2 e4 39. Qf5+
Kg8 40. Qxe4 Qc1 41. a4 Qa3 42. b5 Qc5 43. g4 Kh8 44. h5 Qd6 45. f4 Qc5 46. Kg3
Qc1 47. Qe8+ Kh7 48. Qg6+ Kh8 49. Qd3 Qg1+ 50. Kh4 *
Position (FEN): 7k/p5p1/1p5p/1P5P/P4PPK/3QP3/8/6q1 b - - 10 50
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1246
Best move: Qh2#