Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 Bg7 8.
Bg5 O-O 9. Qd2 d6 10. Be2 Be6 11. Rc1 Rc8 12. b3 Qa5 13. O-O Rfe8 14. Rfd1 a6
15. Nd5 Qxd2 16. Nxf6+ Bxf6 17. Bxd2 Kg7 18. Be3 Bb2 19. Rb1 Bf6 20. f3 h5 21.
Kf2 Rc7 22. Bd4 Bxd4+ 23. Rxd4 Rec8 24. Rbd1 Kf6 25. R1d2 Kg7 26. f4 Bd7 27. h3
Be6 28. g4 hxg4 29. hxg4 Rh8 30. Kg2 b5 31. cxb5 axb5 32. f5 gxf5 33. exf5 Bd7
34. Rb4 Bc6+ 35. Kg3 Bd7 36. Bxb5 Bxb5 37. Rxb5 Rc3+ 38. Kf4 Rhh3 39. Rf2 Rhd3
40. g5 *
Position (FEN): 8/4ppk1/3p4/1R3PP1/5K2/1Prr4/P4R2/8 b - - 0 40
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 956
Best move: Rd4#