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Re: [Bug-gnubg] BUG: One sided rollout for epc

From: Christian Anthon
Subject: Re: [Bug-gnubg] BUG: One sided rollout for epc
Date: Mon, 01 Jun 2009 00:25:20 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2

On 05/27/2009 12:20 PM, Ian Shaw wrote:
> I notice that the number of trials for the one-sided rollout that gives
> the epc is only 546. Considering that it is extremely fast, shouldn't it
> be increased by default to 1296. Even 46656 (36 ^ 3) only takes a second
> or less on my 2 GHz PC. (Perhaps the rollout terminates at the one-sided
> database, and since mine extends to the 13 point there is a very early
> termination.)
I believe mine does 5760, and we don't want to do too many by default as
the race widget needs the results before it can be shown.
> Hmm. Just rolled out position AQAAAABwd3cAAA (315 pips) and got an epc
> of 252.966, wastage -62.034. There can't be a negative wastage, so
> something must be wrong.
Yes the maximum number of rolls was capped at too early for this
unnatural position. I'll checkin a fix when cvs is working again.

> Regards,
> Ian Shaw
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