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Does XG's definition of PR annoy you?

Posted By: Bob Koca
Date: Tuesday, 9 July 2024, at 4:06 p.m.

In Response To: Does XG's definition of PR annoy you? (Timothy Chow)

Is there a contradiction in the XG help? If an optional double is made does it count as a decision or not?

From XG help (with **** mine to highlight)

A decision is a checker move or a cube double that is considered non-obvious by the computer. Considered obvious are the following:

A forced moved

A move for which the best choice and the worst choice have an equity difference of less than 0.001.

****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 larger than the equity after the double (obvious non double)

A double action where the equity before doubling is 0.200 larger than the equity after a drop (obvious too good to double)

A double action where the equity before and after a double is very negative (less than -0.900). This corresponds to a loss of position when trailing in the match by a lot

Are never consider as a obvious:

***** A double decision resulting in a double *****

A take decision

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