Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nc3 Nc6 3. d3 Bb4 4. Bd2 Nf6 5. a3 Ba5 6. b4 Bb6 7. Rb1 a6 8. a4
Nd4 9. Nf3 d5 10. exd5 Nxf3+ 11. Qxf3 Bg4 12. Qg3 h5 13. h3 Nxd5 14. Qxe5+ Be6
15. Nxd5 Qxd5 16. Qxg7 O-O-O 17. Rg1 Qf5 18. Be3 Rdg8 19. Qc3 Bxe3 20. fxe3 Rg3
21. Qd2 Rhg8 22. e4 Qf6 23. c4 Qh4 24. Kd1 Rxh3 25. g3 Rhxg3 26. Rxg3 Qxg3 27.
Kc2 Rd8 28. b5 Bxc4 29. Rb4 Bxd3+ 30. Bxd3 Rxd3 31. Qxd3 Qf2+ 32. Qd2 Qc5+ 33.
Qc3 Qf2+ 34. Kb3 h4 35. Qh8+ Kd7 36. Qc3 h3 37. Rd4+ Ke6 38. Qc4+ Kf6 39. Kb4
Qb2+ 40. Kc5 Qa3+ 41. Kd5 *
Position (FEN): 8/1pp2p2/p4k2/1P1K4/P1QRP3/q6p/8/8 b - - 9 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1057
Best move: Qd6#