Harleqin wrote:The liberties axiom is the most central axiom of Go. Herman's variant goes too far.
First of all, I am sure I will regret trying to skip a stone across this Jasiekian pond - I am no rule maven.
And I do not claim to be able to suggest the most elegant phrasiing for any of this.
That being said - I side with suicide.
I quote the above because I come at the issue from a different direction, a different axiom. I believe the axiom that a board position cannot be repeated is more central.
A stone can be placed anywhere, in any empty intersection, provided it changes the board position.
Therefore, a stone placed in a false eye, or a singular last remaining eye - a place without liberties - is allowed to stand because it kills the enemy stones, thus changing the board position.
Similarly, a stone connecting two friendly stones, as a ko threat, is allowed to be played - because by killing its two companions - it changes the board position.
It should go without saying, that placing a suicide stone in a libertyless and supported eye is, aside from pointless, illegal, because it is removed without changing the board position.
To me, playing in a place without liberties to kill the enemy, or to kill oneself, requires the same leap of understanding, and allowing one, and not the other seems inconsistent.