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Re: [Bug-gnubg] rollout questions

From: Philippe Michel
Subject: Re: [Bug-gnubg] rollout questions
Date: Wed, 26 Apr 2006 15:42:02 +0200 (CEST)

On Tue, 25 Apr 2006, Christian Anthon wrote:

2) What is the difference between to two-stop-on-high-jsd options. The
explanations given in the gui makes it sound like they are equal to me.

The second option stops the rollouts of bad moves early. For instance if you roll 4 moves and after the minimum trials you have something like :
move 1 worse by 0.6 jsd
move 2 best
move 3 worse by 1.8 jsd
move 4 worse by 5 jsd
Then the rollout of move 4 will stop at this stage while the other 3 will continue. Maybe move 3 will be stopped a little later. On the other hand, if the currently better moves worsen, the rollout of the not-so-bad-anymore moves may resume.

3) Using stop-on-high-jsd doesn't work very well on take-drop
decisions as these are usually clear doubles.

Right. This is bug #5893. 2 and 1/2 years old :-(.

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