Computer Chess Club Archives




Subject: Re: I Think I have Chess Challenger 7 search depths correctly now

Author: Uri Blass

Date: 12:43:50 03/08/02

Go up one level in this thread

On March 08, 2002 at 14:26:13, Rich Van Gaasbeck wrote:

>Thank you to all that responded regarding CC7's search depths.  I think I have
>the right values now.  The only ones I'm not sure about are CL3 and CL6.  Both
>are 5 ply.  I'm not sure if two full plus three selective should be more or less
>time that three full plus two selective.  The level names and times are directly
>from the manual (so at least these are correct).  Some posters gave a different
>order for the various strengths.  Perhaps there are different revisions of the
>CC7 or the levels were ordered differently in different countries.  Mine is a
>Chess Challenger 7 Model BCC, USA version.
>CL1: Intermediate           5s two full width ply
>CL2: Experienced           15s three full width ply
>CL3: Advanced            1:20m two full, then three selective
>CL4: Mate in 2             20m four full width ply
>CL5: Postal Chess          24h five full width
>CL6: Excellent              6m three full width, then two selective
>CL7: Tournament             3m three full width, then one selective
>Do all the search depths seem right, especially search depths for levels 3 and

CL1=5s, 2 plies
CL2=15s, 3 plies
CL4=20 minutes, 4 plies
CL5=24 hours, 5 plies

it means effective branching factors of 3,80 and 72.


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