Life In 19x19

=== SPOILER ALERT ===

The link https://senseis.xmp.net/?StrategicDiffe ... koVariants (found in https://www.lifein19x19.com/viewtopic.php?f=45&t=15744 ) will lead you to the (quite surprising) answer. You'll also find there (a claim about) the result under PSK.

I think the following synthetic example (found in Sensei's) gives exactly what you want:

https://senseis.xmp.net/?StrategicDifferenceBetweenSuperkoVariants

It's a position where under the PSK variant White has a clear win (by a margin), under the SSK variant Black has a clear win, and recent ...

Couldn't you solve the group tax issue by changing 'declare a draw' to 'declare a tally', which counts the number of places any opposing side can't play on their next move? The one who has the higher tally wins. With this it seems like Ultimate baduk rules really are the best around! Each players ...

I think Ultimate Go (see https://senseis.xmp.net/?UltimateGo ) achieves exactly that - the "score" (which is not explicit in the rules) is the number of safe moves you can make, and yet there is sharpness, so for example a teire move is never completely free - it can turn a win into a draw (jigo ...

I would love to get feedback on a proposed ruleset called "Ultimate Go" (see [ https://senseis.xmp.net/?UltimateGo ]) which is:

(1) Extremely simple - actually based (as I found out at some point) on "no-pass Go with prisoner return", so e.g. "score" is only implicit from the rules.

(2) Solves ...

I would love to get feedback on a proposed set of rules I call Ultimate Go, which is extremely simple, yet solves the issue of free teire.

The rules are actually (as I found out at some point) based on "no pass Go with prisoner return", but with a slight complication via the device of an "ultimate ...