Losing because you forgot where one of the stones were seems a bit silly. It’d be nice if it just said, there’s a stone here (even if it didn’t say the colour). I was losing the 9x9 level 1 anyway but would’ve been nice to finish it.
It makes sense to make you lose if you don’t remember a stone in a game where the whole point in remembering stones. When we played blindfold chess back in childhood the coach also established “impossible move - automatic loss” rule.
Also, this is going to be much harder to play without a board and moves called out by voice, like it’s properly done.
With the magic scripts of @okonomichiyaki for custom stones you could just leave the place stone function empty and it won’t draw anything except the last move indicator. Thus you can play cosumi-like blindfold go on OGS!
Luckily it didn’t want to start a ko or some life and death in the upper left - which I’m not sure I wouldn’t been able for. I’m not sure I enjoy it as of yet.