Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 d4 6. Bg2 e5 7. O-O Be7 8. Nc4
Qc7 9. a3 b5 10. Ncd2 Nf6 11. Nh4 Bg4 12. f3 Be6 13. f4 Bg4 14. Bf3 Bh3 15. Ng2
exf4 16. gxf4 Bxg2 17. Kxg2 Qxf4 18. Nc4 Qh4 19. e5 O-O 20. exf6 Bxf6 21. Bxc6
bxc4 22. Bxa8 Be5 23. Rf2 Rxa8 24. Qf3 Rf8 25. Qh3 Qd8 26. Bf4 Bf6 27. Raf1
cxd3 28. cxd3 Bh4 29. Bg3 Qd5+ 30. Kg1 Bg5 31. Rf5 Be3+ 32. Bf2 Qb7 33. Bxe3
dxe3 34. Qxe3 Qxb2 35. Rxf7 Rd8 36. Rd7 Rc8 37. Qe6+ Kh8 38. Qf7 Rg8 39. Qxg8+
Kxg8 *
Position (FEN): 6k1/p2R2pp/8/2p5/8/P2P4/1q5P/5RK1 w - - 0 40
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 902
Best move: Rd8#