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My cube decision

Posted By: Stick
Date: Tuesday, 19 December 2006, at 4:57 a.m.

In Response To: Moves leading up to today's OLM (Stick)

I'll further this rollout tonight but since I suspect the numbers to stay in the same ballpark I will post it now. It seems it's a small error to not double you out now, which I can live with. I prefer taking a roll in these situations knowing that in almost every variation I have a cash even if you do come in. One has to be careful to reanalyze the position before each subsequent roll and before I roll here I see the only problems that can occur. First of all I have to be careful with what rolls I attack on the ace point with. After that my man in your inner board is a 'problem' area. I don't want to hit loose on the ace and have my other man still in your inner board, getting whacked would then cause me to have two men back and I wouldn't even have a double I imagine. Even after seeing the rollout I'd still play on in this position, I don't see enough that can immediately go wrong and I think I'll know when to cash. [if you come in on the ace point with like a 2-1 for eg I'd cube you out]


Match to 25, White leads 6 to 2
White on roll. Cube Action?
111
145
Board image courtesy of GO-Figure

Cube action equity
Rollout Money equity: 0.803
1.0% 29.2% 77.5% 22.5% 4.6% 0.3%
95% confidence interval: - money cubeless eq.: 0.803 ±0.020, - live cube no double: 0.977 ±0.030, - live cube double take: 1.419 ±0.054. Rollout settings: Full rollout, 324 games (equiv. 9889 games), played 3-ply (precise), cube 3-ply, random seed, with race database.
Evaluations
1. Double, pass 1.000
2. No double 0.984 (-0.016)
3. Double, take 1.448 (+0.448)
Proper cube action: Double, pass
Live cube
1. Double, pass 1.000
2. No double 0.977 (-0.023)
3. Double, take 1.419 (+0.419)
Proper cube action: Double, pass

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