Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Nf6 3. Nf3 g6 4. Bg5 Bg7 5. e3 O-O 6. Nc3 Bg4 7. h3 Bf5 8. Bxf6
Bxf6 9. Nxd5 Bg7 10. Bd3 Qd7 11. Bxf5 gxf5 12. Qd3 c6 13. Nf4 e5 14. Nxe5 Bxe5
15. dxe5 Qxd3 16. Nxd3 Nd7 17. O-O-O Nb6 18. b3 a5 19. Nc5 a4 20. Rd3 axb3 21.
Rxb3 Nxc4 22. a4 b6 23. Rb4 Nxe5 24. Rxb6 Ra5 25. Nb3 Rxa4 26. Nd4 Nd3+ 27. Kd2
Nxf2 28. Rf1 Ne4+ 29. Kd3 Rd8 30. Rxf5 c5 31. Kxe4 cxd4 32. exd4 Raxd4+ 33. Ke3
Rd3+ 34. Kf4 R8d4+ 35. Kg5 Rg3+ 36. Kh6 Rd8 37. Rb2 Rd6+ 38. Kh5 Rdg6 39. Rb8+
Kg7 40. Rb7 *
Position (FEN): 8/1R3pkp/6r1/5R1K/8/6rP/6P1/8 b - - 15 40
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1225
Best move: Rh6#