Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: An hard test position

Author: leonid

Date: 12:51:48 08/07/00

Go up one level in this thread


On August 07, 2000 at 15:33:33, Tom Kerrigan wrote:

>On August 07, 2000 at 15:02:24, leonid wrote:
>
>>On August 07, 2000 at 11:03:56, leonid wrote:
>>
>>>On August 07, 2000 at 08:30:35, blass uri wrote:
>>>
>>>>[D]6k1/6pp/1Q1pn1rr/p1p1p3/2P1P2q/1P3P1P/P2RN1PK/6R1 w - - 0 1
>>>>
>>>>How much time does your program need to find Rxd6?
>>>
>>>Four seconds.
>>>
>>>Probably this is not the best move but my program see only it in 8 and 10 ply
>>>brute force search. In 6 plys search it says Rook d2-d6.
>>>
>>>After every move by whites black likely to be sure to excute the mate.
>>>
>>>AMD 400Mhz. 8 ply - 3.5 second. 10 ply - 2 min. 45 second.
>>
>>
>>
>>My mistake! Had fixed idea that you indicated move by Queen.
>>
>>Exacte time and moves:
>>
>>6 plys - Rook d2-d6. 0.4 second.
>>
>>8 plys - Queen goes to d6. 3.5 second.
>>
>>10 plys - Queen - d6 2 min. 45 second.
>>
>>Search by brute force. Average NPS - 288k.
>
>My program needed 12 plies to find the solution. Maybe you should try that
>depth.
>-Tom

Good idea but very time consuming. My brute force revision could go easely up to
1.5 hour. I have just one good computer to use. Others are 486 laptops.

Leonid.



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.