Jiganchine – Baunok, 2000, analysis
White to move
For a solution – input this FEN string on this website: 8/8/8/6k1/3R4/PK6/8/r7 w - - 0 62
Hint: There is only one move that gives a win; White has to cut off the Black king along as many files as possible.
An unexamined life is not worth living.