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Subject: Re: an interesting bug in my move generator

Author: Heiner Marxen

Date: 13:02:12 01/01/02

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On January 01, 2002 at 14:46:20, Uri Blass wrote:

>On January 01, 2002 at 14:30:46, David Rasmussen wrote:
>
>>On January 01, 2002 at 13:25:44, Heiner Marxen wrote:
>>
>>>
>>>Chest agrees with your numbers:
>>>
>>>FEN: 1b5k/7P/p1p2np1/2P2p2/PP3P2/4RQ1R/q2r3P/6K1 w - -
>>>Counting width of legal tree, 5 plies deep...
>>>Time (user) = 9.84 sec
>>>dep          #nodes     quot        sum nodes
>>>  0               1 [  0.000]               1
>>>  1              31 [ 31.000]              32
>>>  2            1213 [ 39.129]            1245
>>>  3           35927 [ 29.618]           37172
>>>  4         1353197 [ 37.665]         1390369
>>>  5        40590029 [ 29.996]        41980398
>>>
>>>(Done on a K7/600)
>>>
>>>Cheers,
>>>Heiner
>>
>>Chezzz agrees too.
>>
>>/David
>
>my program says perft 6=1483136098 after 207.549 seconds on p800
>
>Uri

Chest agrees again:

  6      1483136098 [ 36.539]      1525116496
Time (user) = 314.31 sec (5.2 min)

Your speed is not bad, at least significantly faster than Chest.  And since
we both generate strictly legal moves, our times are comparable.
Congratulations!

Heiner



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