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PR

Posted By: Michael Petch
Date: Wednesday, 22 December 2010, at 3:12 p.m.

In Response To: PR (Christian Munk-Christensen)

From the XG manual, this includes the thresholds (Obvious = Trivial):

A decision is a checker move a cube double that is considered non obvious by the computer. Are consider as obvious the following:

- A force moved

- A move for witch the Best choice and the worse choice have an equity that are less than 0.001 different

- A double Action where the Equity before doubling and after doubling is the same (optional double)

- A double Action where the Equity before doubling is 0.200 bigger than the equity after double (obvious non double)

- A double action where the Equity before doubling is 0.200 bigger than the equity after drop (obvious Too good to double)

- A double action where the Equity before and after double is very negative (This correspond to lost position when trailing a lot in the match)

In the case of GnuBG "close" cube decisions use the threshold of .250 . I believe that in GnuBG all TGTC's are considered Non-Trivial (Not obvious) but someone may correct me on that. And as previously stated Trivial checker plays in GnuBG = Forced moves only.

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