Retrograde Analysis Problem 4 / Attempts

Dan: I think I know what solution you are looking for, but I think that firstly, you could have hundreds of previous captures if necessary with a ko; and secondly, even without any kos you can get to 20 captures... wait, make that 26...

unkx80: The number is arbitary. Heh.

Dan: Yeah, I just realized lying in bed last night that you can get it as high as you like, even without ko. Maybe this sort of problem needs more constraints to work.

unkx80: It may depend on rulesets. But I realised it too, and this is the reason I fixed a number.


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