Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Here's a position I call "Somebody's in trouble" -- Your prog says what?

Author: Uri Blass

Date: 03:35:45 02/07/02

Go up one level in this thread


On February 06, 2002 at 19:20:45, Heiner Marxen wrote:

>On February 06, 2002 at 18:52:09, Dann Corbit wrote:
>
>>On February 06, 2002 at 18:40:22, Miguel A. Ballicora wrote:
>>>perft 5
>>>depth 0: leaves:          1 accum:          1
>>>depth 1: leaves:        131 accum:        132
>>>depth 2: leaves:        200 accum:        332
>>>depth 3: leaves:      26160 accum:      26492
>>>depth 4: leaves:      15031 accum:      41523
>>>depth 5: leaves:    1928938 accum:    1970461
>>>seconds: 8.35 nps: 235926.83
>>
>>Beowulf says:
>>[1]W > perft 5
>>Progress :
>>.................................................................................................................................
>>..
>>Total: 1928938 Moves
>>0.80 Seconds
>>
>>Crafty says:
>>White(1): setboard 4k3/Q3p1Q1/1Q5B/Q1QN1NQ1/4QQ2/B2Q4/8/2R1KR2 w - -
>>White(1): perft 5
>>total moves=1928938  time=1.10
>>
>>The number looks good.
>
>Chest says:
>
>W:  Ke1 Qa5 Qa7 Qb6 Qc5 Qd3 Qe4 Qf4 Qg5 Qg7 Rc1 Rf1 Ba3 Bh6 Nd5 Nf5 (16)
>B:  Ke8 Pe7 (2)
>FEN: 4k3/Q3p1Q1/1Q5B/Q1QN1NQ1/4QQ2/B2Q4/8/2R1KR2 w - -
>Counting width of legal tree, 5 plies deep...
>Time (user) = 0.39 sec
>dep          #nodes     quot        sum nodes
>  0               1 [  0.000]               1
>  1             131 [131.000]             132
>  2             200 [  1.527]             332
>  3           26160 [130.800]           26492
>  4           15031 [  0.575]           41523
>  5         1928938 [128.331]         1970461
>
>(On an Athlon/600)
>So we all agree :-)
>
>Cheers,
>Heiner

My program also agree with the number except the time.
It says 0.27 seconds
some other results(I hope that they are correct):

perft(6)=1114923 6.058 seconds
perft(7)=139327522 18.627 seconds
perft(8)=113197588 439.352 seconds

Uri



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.