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Subject: Re: I need perft numbers

Author: Robert Hyatt

Date: 13:11:17 07/11/02

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On July 11, 2002 at 15:10:10, Sune Fischer wrote:

>I fear I may have castle and promotion bugs.
>
>My new version produces correct perft numbers on the initial position up to ply
>6, but I would like to test for castle, ep and promotions also, so it would be a
>big help if I could get confirmation on some numbers:
>
>// castle test:
>[D]r3k2r/3q4/2n1b3/7n/1bB5/2N2N2/1B2Q3/R3K2R w KQkq - 0 1
>perft 4 = 5660814 ?

I get total moves=5664262  time=3.78


>perft 5 = 269371355 ?
>
>// ep test:
>[D]rnbq1bnr/1pppkp1p/4p3/2P1P3/p5p1/8/PP1PKPPP/RNBQ1BNR w - - 0 1
>perft 4 = 295376 ?
>perft 5 = 8296614 ?

I match those perfectly.


>
>// promotion test:
>[D]rn1q1bnr/1bP1kp1P/1p2p3/p7/8/8/PP1pKPpP/RNBQ1BNR w - - 0 1
>perft 4 = 1874042 ?

I get total moves=2010006  time=1.47

>perft 5 = 58274872 ?

And I get total moves=67867493  time=54.01

>
>My guess is, that the ep numbers are correct, but castle and promotions are
>wrong (older versions disagree, but I don't really thrust them either).
>
>thx
>-S.



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