[COMMENT DELETED]
Endgame Puzzles

What's the point of this puzzle? It starts as a draw, and is still a draw until Black's blunder on move 16. You give 15...Nh7 two question marks, but after 16. f7, Black is still drawing after any of the Black king's six legal moves.
What's the point of this puzzle? It starts as a draw, and is still a draw until Black's blunder on move 16. You give 15...Nh7 two question marks, but after 16. f7, Black is still drawing after any of the Black king's six legal moves.
The Point Is It's Nothingless.

The Point Is It's Nothingless.
Does that mean it's a practical joke to see if anyone would think it's a real puzzle?

Well, actually, R isn't on the 8th rank. But, you're right. No progress unless R moves to the first rank.