Chess puzzle (Checkmate)
Moves: 1. Nf3 e6 2. e4 d5 3. exd5 exd5 4. d4 Nf6 5. Bg5 h6 6. Bh4 Be7 7. Bd3 O-O 8.
O-O Nbd7 9. Re1 c5 10. c3 b6 11. Nbd2 Bb7 12. Ne5 Re8 13. Bb5 a6 14. Nc6 Bxc6
15. Bxc6 Rb8 16. Bxf6 Bxf6 17. Rxe8+ Qxe8 18. dxc5 Qd8 19. Bxd7 Qxd7 20. cxb6
Rxb6 21. Qc2 d4 22. Ne4 dxc3 23. Nxf6+ Rxf6 24. Qxc3 Qf5 25. Rf1 Qb5 26. b3 Rc6
27. Qe3 Rc2 28. a3 Qd5 29. a4 Rb2 30. Qa7 Qc6 31. Qb8+ Kh7 32. Qg3 Qc2 33. Qf3
Qxb3 34. Qf5+ g6 35. Qa5 Rb1 36. Qxa6 Rxf1+ 37. Kxf1 *
Position (FEN): 8/5p1k/Q5pp/8/P7/1q6/5PPP/5K2 b - - 0 37
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1139
Best move: Qd1#