The longest checkmate problem - 290 move

Imagine analyzing a game and "M290" shows up. And then you play the "wrong" move and it's a "miss" 💀

i think so

If you didn't understand: if the bishop moved after Kd3, then White would take the pawn on e3, toggle back to d3, and play e2-e4-e5.

thanks!!

Solved it.

Solved it again

1+1=99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

The computer did not see it it 1st said that black was winning

I solved it no cap its okay if you don't believe me

I think black is winning

This puzzle is some kind of manual clock. lol

i will never do this puzzle again my hands are burning right now

Engine supports that at a point.