As you can see in the previous post, the task was to figure out what opportunities were missed by both sides in this seemingly trivial endgame that started from this position.

If you're ready, the solution is here - and even it is only partial on one interesting position, which will become fodder for a new blog post!
Related Posts (on one page):
- Follow-up Puzzle to "An Endgame Exercise from Nakamura-NN"
- An Endgame Exercise from Nakamura-NN: Solution Time
- An Endgame Exercise from Nakamura-NN
I'll look at all the possible 42nd moves as an exercise; clearly there's something for me to learn here.
Nice find in the Pandolfini book -- I'm glad I won't have that rude awakening during my own game! :-)