Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 Nge7 6. O-O O-O 7. b3 d6 8. Bb2
h6 9. d3 Be6 10. e3 Re8 11. d4 Bg4 12. h3 Bxf3 13. Bxf3 exd4 14. exd4 Nxd4 15.
Bxb7 c6 16. Bxa8 Qxa8 17. Nd5 cxd5 18. Bxd4 dxc4 19. Bxg7 Kxg7 20. bxc4 Nc6 21.
Qxd6 Rd8 22. Qf4 g5 23. Qe4 Re8 24. Qg2 Qc8 25. Rfe1 Ne5 26. Qd5 f6 27. Kg2 g4
28. hxg4 Qxg4 29. Rad1 Re7 30. Rd4 Qg6 31. Qe4 f5 32. Qf4 Qf6 33. Rd5 Ng6 34.
Rxe7+ Nxe7 35. Rd7 Qc6+ 36. Rd5 Nxd5 37. cxd5 Qxd5+ 38. Kg1 Qd1+ 39. Kh2 Kg6
40. Qe3 Qd7 41. a3 Qf7 42. a4 a5 43. Qe5 Qa7 44. Kg1 Qa6 45. Qf4 Qc6 46. Qd2
Qb6 47. Qd3 Kg5 48. Qd2+ Kg6 49. Qd7 Qb1+ 50. Kh2 Qb6 51. Kg2 Kg5 52. Qg7+ Kh5
53. Qf7+ Kg5 54. f4+ Kg4 55. Qg8+ Kh5 56. Qe8+ Kg4 *
Position (FEN): 4Q3/8/1q5p/p4p2/P4Pk1/6P1/6K1/8 w - - 5 57
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1970
Best move: Qe2#