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Re: [gnugo-devel] trevor_1_18.2


From: Trevor Morris
Subject: Re: [gnugo-devel] trevor_1_18.2
Date: Fri, 21 Dec 2001 10:19:58 -0500

At 08:22 PM 12/20/2001 +0100, Gunnar Farneback wrote:
>Trevor wrote:
>> +    /* No bonus if the attack is on a very dead group. 
>> +       tm added (3.1.18) see trevorb:920*/
>> +    if (dragon[aa].owl_status == DEAD &&
>> +        dragon[aa].matcher_status == DEAD)
>> +      break;
>> +
>I don't think it's safe to remove this entirely. Unfortunately
>owl_status isn't quite that reliable, especially in semeai type
>positions, so this part of the valuation can save us from unnecessary
>trouble. But we could certainly improve the heuristics, e.g. so that
>this bonus only is awarded under circumstances related to
>* whether we are ahead
>* whether one or more dragons surround the stones under consideration
>* the safety level of the surrounding dragon(s)

Has there been any discussion of giving GNU Go different "styles"?
For example, how about a parameter:
  --style-optimistic

When optimistic is set (on the command line), then the OWL code would
be trusted much more than it is today.

-Trevor





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