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Live Cube equity:A root value in BG based on a math axiom

Posted By: Michael
Date: Sunday, 3 September 2017, at 12:55 p.m.

In Response To: Live Cube equity:A root value in BG based on a math axiom (Neil Robins)

I had to prepare an html document with frames to construct the table, but while it looked perfect on my browser when I posted it here it added frames everywhere even to responses! Sorry for that...

Neil I think you have to distinguish the Live TP (better called "Fully Live" meaning the cube will go on for ever) from the Cubeful TP. The Cubeful or real TP is always between the Fully live and the Dead TP depending on the position. In unlimited games it has to be between 20 and 25%. It cannot go below 20% no matter what. At your position GNU simply erred.It should be a bug or something, I tried it upto 4 plies evaluation and it still outputs D/T! Do the slightest of rollouts and it wakes up to Double/Pass.

Any opinion on the mathematical basis (axiom) on which it is calculated though? The reason I ask is because The Live Equity together with the Dead equity are used by bots in evaluations (upto what ply I am not sure)to calculate the Cubeful equity. Rollouts do include evaluations. So it has a chain effect that might jeopardize the correctness of bot's decisions especially on Cube.

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