Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 b6 3. c4 Nf6 4. Nc3 Bb7 5. Bg5 h6 6. Bxf6 Qxf6 7. e4 Nc6 8. Be2
O-O-O 9. Qd2 g5 10. h3 Qg7 11. O-O-O f5 12. exf5 exf5 13. Bd3 g4 14. Nh4 Nxd4
15. Nxf5 Nxf5 16. Bxf5 Bxg2 17. Rhg1 gxh3 18. Bxh3 Bxh3 19. Rxg7 Bxg7 20. Nb5
Be6 21. Nxa7+ Kb7 22. Nb5 Ra8 23. Nd4 Bxd4 24. Qxd4 Rxa2 25. c5 Rc8 26. Kb1
Rca8 27. Qe4+ c6 28. cxb6 R8a6 29. Qh7 Kxb6 30. Rxd7 Bxd7 31. Qxd7 Ra1+ 32. Kc2
R1a5 33. Qd8+ Kb5 34. Qb8+ Kc5 35. Qe5+ Kb6 36. Qe3+ Kb7 37. Qxh6 Rc5+ 38. Kb1
Rb6 39. Qg7+ Ka6 40. Qf8 Rcb5 *
Position (FEN): 5Q2/8/krp5/1r6/8/8/1P3P2/1K6 w - - 7 41
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 561
Best move: Qa8#