Author: Mikael Bäckman
Date: 23:59:22 09/21/03
Go up one level in this thread
On September 21, 2003 at 23:45:34, Zach Wegner wrote:
>On September 21, 2003 at 21:23:09, Mikael Bäckman wrote:
>
>>On September 21, 2003 at 20:02:11, Zach Wegner wrote:
>>
>>>On September 21, 2003 at 18:35:48, Dieter Buerssner wrote:
>>>
>>>>On September 21, 2003 at 18:21:11, Dieter Buerssner wrote:
>>>>
>>>>>> nLegal = 0;
>>>>>
>>>>>nlegal is not declared here.
>>>>
>>>>Same for other variables, you are using. Either your code snippets are
>>>>incomplete, or all those vars are global. I would guess the first (otherwise, I
>>>>would suspect total crazy search or crashes). When you give complete code
>>>>snippets, it will be easier to answer (even when the code is longer). In
>>>>principle, your code looks like proper fail soft.
>>>
>>>all the 'junk' is stripped.
>>>
>>>>What is the intention of your eval func (which always returns mate scores ...)?
>>>
>>>thats material.
>>>
>>>I'm not quite sure whats going on, but i would see if it still happens if you
>>>seperate
>>>
>>>if(score>alpha)
>>>{
>>> if(score>=beta)return score;
>>> alpha=score;
>>>}
>>>
>>>to
>>>
>>>if(score>=beta)return score;
>>>if(score>alpha)alpha=score;
>>
>>Same thing isn't it? My way saves an if when score <= alpha. :)
>
>Yes, but I can't see anything wrong with your posted code, so I think something
>in your real code is causing some scores to be >= beta but <= alpha. Just a
>guess. I'd like to hear if that is what's happening.
I tried your code last night, but there was no difference.
Something must be wrong with the values returned, but everything looks ok to me
too. Oh well, it seems to play ok even with this bug. I'll just ignore it for
now..
I'll let you know if I ever find the bug.
Thanks for your time.
/Mikael
>
>>
>>
>>>Regards,
>>>Zach
>>
>>
>>/Mikael
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