Chess puzzle (Checkmate)
Moves: 1. c4 b6 2. g3 Bb7 3. Nf3 e6 4. Bg2 Be7 5. O-O a6 6. Nc3 d6 7. d4 Nd7 8. e4 h6
9. Be3 g5 10. e5 dxe5 11. Nxe5 Bxg2 12. Kxg2 Nxe5 13. dxe5 Qxd1 14. Raxd1 Bb4
15. f4 Bxc3 16. bxc3 gxf4 17. Bxf4 Ne7 18. Rd2 Ng6 19. Rfd1 Nxf4+ 20. gxf4 Rg8+
21. Kf3 Rc8 22. a4 a5 23. Ke4 Rg4 24. Kf3 Rh4 25. Kg3 Rh5 26. Rd7 Rf5 27. h4 h5
28. R1d4 f6 29. Rh7 fxe5 30. fxe5 Rf8 31. Rdd7 Rf5 32. Rde7+ Kf8 33. Rxe6 Kg8
34. Ree7 Rd8 35. Rd7 Re8 36. Rhe7 Rxe5 37. Rxe8+ Rxe8 38. Rxc7 Re3+ 39. Kf4
Rxc3 40. Kg5 b5 41. Kg6 Rxc4 42. Rb7 Rc5 43. Rb8+ Rc8 *
Position (FEN): 1Rr3k1/8/6K1/pp5p/P6P/8/8/8 w - - 4 44
White to move.
Themes: Hanging Piece Endgame, Rook Endgame Mate in 1 
Puzzle rating: 529
Best move: Rxc8#