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Subject: Re: Chess Engine Performance Tests?

Author: Tim Foden

Date: 02:40:57 08/11/03

Go up one level in this thread


On August 11, 2003 at 03:54:38, Thomas McBurney wrote:

>On August 10, 2003 at 21:03:18, Johan Wessfeldt wrote:
>
>>jO!
>>
>>Im working on a chessengine in java and I'm pretty much done with my move
>>generation algorithms.(Took awhile to complete.. :] )
>>
>>Are there any common tests ppl use to test their chess engines with to see how
>>fast it is? (Not how smart it is)
>>
>>Like.. creating 1.000.000 move-lists out of preset chess position.
>>Could be fun to see if my engine(or java) is good or not :]
>
>
>Throw this position into your move generator and do a perft test on it.  This
>position has a nsty habit of crashing engines, even the odd comercial engine
>like my Frtiz 4.
>
>[D]R6R/3Q4/1Q4Q1/4Q3/2Q4Q/Q4Q2/pp1Q4/kBNN1KB1 w - - 0 1
>
>This is the output from my chess engine.  Can someone verify the following perft
>results with their engine?
>
>depth  1  nodes= 218
>depth  2  nodes= 99
>depth  3  nodes= 19073
>depth  4  nodes= 85043
>depth  5  nodes= 13853661
>depth  6  nodes= 115892741

Values from GLC 3.00 (AXP 1.46GHz):

Ply   Time        Nodes   Nodes/s
 1   0.001          218    218000
 2   0.001           99     99000
 3   0.001        19073  19073000
 4   0.060        85043   1417383
 5   3.185     13853661   4349658
 6  50.613    115892741   2289782

>
>Also look at Peters perft test web page for good perft tests and results .
>http://homepages.caverock.net.nz/~peter/perft.htm
>
>Cheers,
>Tom.



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