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Subject: Re: C++ chess toolkit code example: check evasion move generation

Author: Heiner Marxen

Date: 10:07:49 08/19/03

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On August 19, 2003 at 11:48:08, Uri Blass wrote:

>On August 19, 2003 at 11:39:10, Heiner Marxen wrote:
>
>>On August 19, 2003 at 00:28:35, Steven Edwards wrote:
>>
>>>The C++ chess programming toolkit "CT"  foundation classes continue in their
>>>slow but hopefully sure development. I've included here a sample: the
>>>GeneratePsuedolegalEvasionMoveList method of the CTBBDB (bitboard database)
>>>class.  It has proven fairly effective at avoiding generating psuedolegal but
>>>illegal moves except for perhaps an occasional invalid en passant capture.  I'll
>>>be fixing this later.
>>>
>>>
>>>CTMoveList *CTBBDB::GeneratePsuedolegalEvasionMoveList(const CTTRIndex
>>
>>You consistently misspell "pseudo" as "psuedo"... or is it intended?
>>
>>It is hard to appreciate a code snippet out of context, so I restrict myself
>>to one comment:  I really dislike duplicating code for the wtm and btm cases,
>>I think the code should be parameterized and/or indexed.
>>
>>Otherwise, I think I will have a close look at CT when you release it.
>>Looks promising.
>>
>>Cheers,
>>Heiner
>
>I have specific code for white pawns and for black moves.
>Originally I did not have it but changing my program to have it was one of the
>things that made it faster.
>
>Uri

I stand corrected (I thought it does not incur a speed penalty).
But it comes as a surprise for me.

Cheers,
Heiner



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