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Subject: Re: 10 ply

Author: Uri Blass

Date: 02:46:45 06/07/03

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On June 02, 2003 at 18:48:01, Brian Richardson wrote:

>On June 02, 2003 at 04:34:51, Richard Bean wrote:
>
>>I made a small mistake in calculating 10 ply; I had a file with two columns and
>>added up both instead of only the second.  The correct result is:
>>
>>1,20,400,8902,197281,4865609,119060324,3195901860,
>>84998978956,2439530234167,69352859712417
>>
>>which should be appearing at http://www.research.att.com/~njas/sequences/
>>shortly, as I have verified it with both x88 and 8x8 array move generators.
>
>Why start with 1 instead of 20?

I guess that the reason is that
1 is exactly the number of possible games with 0 plies.

You can also start with 0(the number of games with -1 moves) so the sequence is
0,1,20,400,8902,...

Uri



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