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Subject: Re: How long to do 10 full plys?

Author: James Robertson

Date: 09:57:43 02/25/99

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On February 25, 1999 at 06:21:14, Larry Griffiths wrote:

>On February 25, 1999 at 06:15:17, Andrew Williams wrote:
>
>>On February 24, 1999 at 17:48:23, Larry Griffiths wrote:
>>
>>>Greetings CCC Chess Programmers!
>>>
>>>How long does it take your chess programs to go 10 full plys
>>>from whites opening move of E2-E4?
>>>
>>>Thanks in advance.
>>>
>>>Larry   :-}
>>
>>Hi,
>>
>>PostModernist completes 10 plys in 38 seconds on a Celeron 333A:
>>
>> 5>   -37     0      4425   e7-e5
>> 5b   -33     0      5397   d7-d5  e4xd5  d8xd5  d2-d4
>> 5=   -29     0      5940   d7-d5  e4xd5  d8xd5  d2-d4
>> 6>   -29     0      7465   d7-d5
>> 6=   -14     0     20393   d7-d5  e4xd5  d8xd5  d2-d4  d5-e4  c1-e3  e7-e5
>> 7>   -14     0     30274   d7-d5
>> 7=   -12     1     43681   d7-d5  d2-d3  e7-e5  e4xd5  d8xd5  b1-c3  f8-b4
>> 8>   -12     1     77140   d7-d5
>> 8b    -9     3    153581   e7-e5  d2-d3  d7-d6  b1-c3  g8-f6  c1-d2  c8-g4
>> 8=    -5     5    229628   e7-e5  g1-f3  g8-f6  b1-c3  b8-c6  d2-d4  d7-d6
>> 9>   -22    17    714347   e7-e6
>> 9=   -16    21    878256   e7-e6  d2-d4  d7-d5  b1-c3  d5xe4  c3xe4  b8-c6
>>10>   -16    25   1042626   e7-e6
>>10=   -16    38   1589890   e7-e6  d2-d4  d7-d5  b1-c3  d5xe4  c3xe4  b8-c6
>>
>>I think it is hard to compare times because of hardware differences. I often
>>find it is more interesting to compare the number of nodes searched in reaching
>>a given depth.
>>
>>Andrew
>
>Well, At least my program is picking e7-e6 also.
>Thanks for the post.
>
>Larry   :-)

My program picks 1. ... e6 too. I wonder what about that move makes it so
"computer-friendly".

James



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