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%GWC per pip in close, short races

Posted By: Ian Shaw
Date: Thursday, 18 March 2010, at 8:41 a.m.

In Response To: %GWC per pip in close, short races (Chase)

I found when I got down to a race of about 30 pips (60 for both players), things started to break down and other methods of estimating GWC do a better job. "

What methods do you use? The position at hand is one where I would expect the Trice rule to break down.

On the other hand, my estimate of the GWC was fairly good, so it might still be OK in these efficient positions.

Note also that despite the gap on the five point, White only wastes about 1/3 pip more than Blue.

The score (after 0 games) is: White 8, Blue 15 (match to 25 points)

Blue on roll, cube decision?

White28 + 71.11 wastage


 '1X '2X '3X ' ' ' ' ' '

1O ' '1O2O2O ' ' ' ' ' '

Blue27 + 6.75 wastage

Position ID: MgcAgGgDAAAAAA Match ID: cAkgA4AAeAAA

Cube decision
2-ply cubeless equity +0.451(Money: +0.451)
0.726 0.000 0.000 - 0.274 0.000 0.000
Cubeful equities:
1.Double, take +0.818
2.Double, pass +1.000 +0.182
3.No double +0.676 -0.143
Proper cube action:Double, take

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