Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 c6 3. Nf3 Nd7 4. Nc3 e5 5. Bc4 Be7 6. O-O Ngf6 7. h3 O-O 8. Bb3
Qc7 9. a3 a6 10. Re1 Re8 11. Ng5 Rf8 12. Qf3 c5 13. dxc5 Nxc5 14. Nd5 Nxd5 15.
Bxd5 Bxg5 16. Bxg5 Be6 17. Qg3 Bxd5 18. Bh6 f6 19. exd5 Rac8 20. Qg4 Qf7 21. c4
Kh8 22. Bd2 f5 23. Qh4 Ne4 24. Bb4 Rxc4 25. f3 g5 26. Qh6 Rxb4 27. axb4 Nf6 28.
Qxg5 f4 29. Red1 Nxd5 30. Rac1 Rg8 31. Qh4 Qg7 32. Qf2 Ne3 33. Rd2 d5 34. Re1
d4 35. Kh1 Qh6 36. Rc1 Rxg2 37. Qxg2 Nxg2 38. Rxg2 Qxh3+ 39. Kg1 Qxf3 *
Position (FEN): 7k/1p5p/p7/4p3/1P1p1p2/5q2/1P4R1/2R3K1 w - - 0 40
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 909
Best move: Rc8#