This* sounded like captures and cleared lines would be scored at the end, but nor cleared, so I am confused.
*
If it’s designed to be a go variant, then I think some kind of liberty capture mechanic should be important. Otherwise other go concepts, like area etc., also don’t make sense, since they’re only a consequence of the capture mechanic.
A mutator to try, I guess. I’m more interested in the Tetris aspects of this, so in my mind, either it works embracing the Tetris, or it doesn’t and it was worth checking out anyway
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It seems that the way that stones could block other sides from being played would give a flavor that is somewhat similar to the Pixel Go (with 2x2 blobs), mentioned above:
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it looks like exception, not like rule
what about not having such exception?
alternative 1:
you never allowed to create group with 0 liberties
to capture white group, black needs 1 more liberty
black can’t play here
black can play here
alternative 2:
its always allowed to create group with 0 liberties, but all groups with 0 liberties disappear simultaneously before next move
black can play here
moment later:
it also solving hypothetical problem: “what if there are already multiple 0 liberty groups on the board?”
just remove all of them
any possible position is not against rules with such variant
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Inspired by Quantum Go and Entangled Go
There are N boards that “look similar”, and every move places a stone on each board at the same position.
However the boards are slightly different. For example there could be K holes that are randomly distributed among all positions.
If a move is illegal on a board (e.g. due to the position being a hole), then it takes no effect on this board.
Don’t have a good title, because “Parallel Go” and “Entangled Go” are already taken 
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Multiverse Go
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Opposite of Blindfold Go.
The newest stone of opponent is invisible. You have to guess yourself where it is. If you click on legal coordinate, your invisible stone will be added, previous move of opponent would become visible. If opponent click on the coordinate of that invisible stone, nothing happens, they would have to do one more click to make a move.
(same as normal Go, just newest stone is not seen)
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Go where its allowed to place stone in ANY coordinate / click ANY coordinate / say ANY coordinate of your next move
If illegal move is attempted, it would be automatically replaced with “pass”
So your opponent just would place stone twice if you fail
Third person or program can be used to detect illegal moves.
Such simple rule may be useful when you play blind Go. If you play on the board and stronger opponent says coordinate of his moves aloud without looking, third person not needed, you can check yourself.
It also can be used in game against LLM chatbot. If it writes incorrect coordinate, you can just click “pass” in demo board and continue the game. You can even tell it
Write coordinate only. If you or me write illegal coordinate, it will work as “pass”.
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One idea we have not explored here yet, is to require that chains have at least N liberties, rather than at least one.
2 <= N <= 3 could be interesting on a normal board (anything higher would require a relatively dense graph to be played on, I reckon).
We could also make it dependent. We could think of empty fields as a resource that can be shared between connected stones (e.g. stones as villages, empty fields can be used for agriculture), then it kind of makes sense to require that chains of size N need at least N liberties.
I wonder how a finished game would look like. Maybe many neutral points 
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This sounds very potentially interesting
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Ooh, could this possibly make Go playable on a triangular/hex lattice?
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The lack of cross cuts stays (on a triangular lettice), but yeah maybe. I could be persuaded to try it 
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Here’s a question to think about: Can White rescue the stone? (Assuming an empty board otherwise)
Here’s some example continuations where (as far as I can see), no matter what White plays next, Black can capture on the next move.
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Maybe it would work better with regular 8-connectivity? though that would be hard to display since it’s not flat™
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4-D grid?
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I was thinking a 2d surface with positive curvature (I think that’s the right term?) embedded in 3d space
Like, octagons, and each octagon is side-adjacent to 8 other octagons, and at each corner 4 octagons meet (the ones diagonal being not adjacent to eachother), and then take the dual to play on the points rather than the spaces
Is that a possible geometry?
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Randomized move order
First move is 50/50 if Black or White gets to play.
Afterwards, if Black played B times and White played W times, the probability for Black move next is W/(B+W) and probability for White move next is B/(B+W)
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What if it’s based on the number of stones on the board? I guess that it’s almost the same, unless some big removal is made.
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