Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Be7 5. Bf4 Nd7 6. e3 Ngf6 7. Bd3 Nh5 8. Bg3
Nxg3 9. hxg3 h6 10. c5 a5 11. Na4 b5 12. Nc3 Bf6 13. Bc2 Qc7 14. Qd3 e5 15. Kd2
e4 16. Nxe4 dxe4 17. Qxe4+ Kf8 18. a3 Bb7 19. Bb3 Re8 20. Qg4 Ke7 21. Kd3 Nf8
22. Nd2 Bc8 23. Qe2 Be6 24. Bxe6 Nxe6 25. Ne4 Rc8 26. Nd6 Rcd8 27. f4 Kf8 28.
e4 Be7 29. e5 Bxd6 30. exd6 Qd7 31. Qe5 f6 32. Qe4 Kf7 33. Rae1 Rde8 34. Qf5 g6
35. Qg4 h5 36. Qf3 Ng7 37. g4 Rxe1 38. Rxe1 hxg4 39. Qf2 Re8 40. Qd2 Qf5+ 41.
Kc3 Ne6 42. Kb3 Qd5+ 43. Kc2 Nxd4+ 44. Kb1 Qf5+ 45. Ka2 Qd5+ 46. Kb1 Rxe1+ 47.
Qxe1 Qe6 48. Qxa5 Qe4+ 49. Ka2 Qd5+ 50. Kb1 f5 51. Qc7+ Ke6 *
Position (FEN): 8/2Q5/2pPk1p1/1pPq1p2/3n1Pp1/P7/1P4P1/1K6 w - - 2 52
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 825
Best move: Qe7#