Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. a3 d5 5. Bg5 Be7 6. e3 c6 7. Nf3 O-O 8. Qc2 Ne4
9. Bxe7 Qxe7 10. Ne5 Nd7 11. Nxd7 Bxd7 12. f4 Nxc3 13. Qxc3 c5 14. cxd5 cxd4
15. Qxd4 exd5 16. O-O-O Bc6 17. Be2 Rfe8 18. Rd3 Rac8 19. Kb1 Kh8 20. Bf3 Bb5
21. Rb3 Bc4 22. Rc3 Rc6 23. Rhc1 Rb6 24. Ka1 Rd8 25. Rd1 Rc6 26. Qxa7 Ra6 27.
Qd4 Rda8 28. Kb1 Ra5 29. h4 h6 30. h5 b5 31. Bxd5 Bxd5 32. Qxd5 b4 33. Rc8+
Rxc8 34. Qxa5 Qe4+ 35. Ka1 bxa3 36. bxa3 Qxe3 37. Rd8+ Rxd8 38. Qxd8+ Kh7 39.
Qd6 Qg1+ 40. Kb2 Qxg2+ 41. Kb3 Qh3+ 42. Kc4 Qxh5 43. a4 Qe2+ 44. Kb4 Qb2+ 45.
Kc5 Qa3+ 46. Kd5 Qxa4 47. Ke6 Qe4+ 48. Qe5 h5 49. Kd6 Qd3+ 50. Ke6 h4 51. Kf7
h3 *
Position (FEN): 8/5Kpk/8/4Qp2/5P2/3q3p/8/8 w - - 0 52
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 985
Best move: Qxg7#