Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bg4 6. h3 Bxf3 7. Qxf3 a6 8. Bxc6+
bxc6 9. dxc5 e6 10. O-O Bxc5 11. Nd2 Ne7 12. Nb3 Bb6 13. Bf4 O-O 14. a4 Ng6 15.
Bg3 Bc7 16. Nd4 Bxe5 17. Nxc6 Qd6 18. Nxe5 Nxe5 19. Qe2 f6 20. Rfe1 Qb6 21.
Bxe5 fxe5 22. Qxe5 Qxf2+ 23. Kh1 Rfe8 24. Rac1 Rac8 25. Re2 Qh4 26. Qd6 Qxa4
27. Rxe6 Kf7 28. Rxe8 Qxe8 29. Qxd5+ Qe6 30. Qb7+ Kg6 31. c3 Rf8 32. Rd1 Qe2
33. Rd6+ Rf6 34. Rxf6+ gxf6 35. b4 Qe1+ 36. Kh2 Qxc3 37. Qxa6 Qxb4 38. Qd3+ f5
39. Qg3+ Kf6 40. Qg8 Qf4+ 41. Kg1 h6 42. Qf8+ Kg6 43. Qg8+ Kh5 44. Qf7+ Kh4 45.
Qf6+ Qg5 46. Qd4+ f4 47. Qf2+ Qg3 48. Qe2 Kg5 49. Qe5+ Kh4 50. Qe7+ Qg5 51. Qe4
Kg3 *
Position (FEN): 8/8/7p/6q1/4Qp2/6kP/6P1/6K1 w - - 10 52
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1825
Best move: Qe1#