Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. e3 Bf5 5. Bd3 e6 6. O-O Bd6 7. Ne5 Qe7 8. Nd2
h6 9. h3 g5 10. Bh2 Nfd7 11. f3 Bxd3 12. cxd3 Nxe5 13. dxe5 Bc5 14. d4 Bb6 15.
f4 gxf4 16. Rxf4 Nd7 17. Qf3 c5 18. Rf1 Rf8 19. Bg3 cxd4 20. Bh4 Qb4 21. Nb3
Nxe5 22. Qh5 Qd6 23. exd4 Kd7 24. Nc5+ Bxc5 25. dxc5 Qxc5+ 26. Bf2 Qd6 27. Bd4
f6 28. Rxf6 Rxf6 29. Rxf6 Nc6 30. Rf7+ Ne7 31. Bf6 Re8 32. Qxh6 e5 33. Qg5 e4
34. Bxe7 Rxe7 35. Rxe7+ Qxe7 36. Qxd5+ Ke8 37. a3 e3 38. Qb5+ Kf8 39. Qe2 Qe6
40. Kh2 Qe5+ 41. g3 Kf7 42. Kg2 Kf6 43. Qf3+ Kg6 44. Qe2 Kf5 45. Kf3 *
Position (FEN): 8/pp6/8/4qk2/8/P3pKPP/1P2Q3/8 b - - 8 45
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 867
Best move: Qe4#