Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Bf5 6. Nxf6+ gxf6 7. d4 Nd7
8. Bf4 e6 9. O-O-O Qa5 10. Kb1 Nb6 11. Nh4 Bg6 12. Nxg6 hxg6 13. Bd2 Qd5 14.
Be3 O-O-O 15. c4 Qf5+ 16. Qd3 Qxd3+ 17. Bxd3 Bh6 18. g4 Bxe3 19. fxe3 Rh4 20.
h3 Rdh8 21. Bf1 f5 22. gxf5 gxf5 23. Rg1 Kc7 24. Rg7 R4h7 25. Rg3 Nd7 26. Rd2
Nf6 27. Bg2 Ne4 28. Bxe4 fxe4 29. Rh2 f5 30. Kc2 Kd6 31. Kc3 c5 32. b4 cxd4+
33. Kxd4 e5+ 34. Kc3 Re8 35. Rd2+ Kc7 36. a4 f4 37. exf4 exf4 38. Rg1 Rxh3+ 39.
Kc2 e3 40. Rg7+ Kc8 41. Rdd7 Rh2+ 42. Kc3 e2 43. Rc7+ Kd8 *
Position (FEN): 3kr3/ppR3R1/8/8/PPP2p2/2K5/4p2r/8 w - - 2 44
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 886
Best move: Rgd7#