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## Re: [Bug-gnubg] (OT) Position ID documentation

 From: Massimiliano Maini Subject: Re: [Bug-gnubg] (OT) Position ID documentation Date: Tue, 8 Jun 2010 09:42:15 +0200

```Got the problem, you said:

> I think from your explanation, it should be:
>
> White = Dnm(25-lop+1, 15) - 1

When it's actually:

White = Dnm(25-(lop+1)+1, 15) - 1

Now it's OK:

NC pos:        1402609279900141, 1.40e+15

MaX.

On 8 June 2010 07:28, bgnj <address@hidden> wrote:
>
>
> Massimiliano Maini-3 wrote:
>>
>> NC_pos += D(M+1,15-1) * (D(25-M+1, 15) - 1)
>> I still get:
>> NC pos:        3085625541477601, 3.09e+15
>>
>
> I modified my program to compute using your formula:
>
> M=1, P1=15, P2=15471286559, P1*P2=232069298385, total=232069298385
> M=2, P1=120, P2=9364199759, P1*P2=1123703971080, total=1355773269465
> M=3, P1=680, P2=5567902559, P1*P2=3786173740120, total=5141947009585
> M=4, P1=3060, P2=3247943159, P1*P2=9938706066540, total=15080653076125
> M=5, P1=11628, P2=1855967519, P1*P2=21581190310932, total=36661843387057
> M=6, P1=38760, P2=1037158319, P1*P2=40200256444440, total=76862099831497
> M=7, P1=116280, P2=565722719, P1*P2=65782237765320, total=142644337596817
> M=8, P1=319770, P2=300540194, P1*P2=96103737835380, total=238748075432197
> M=9, P1=817190, P2=155117519, P1*P2=126760485351610, total=365508560783807
> M=10, P1=1961256, P2=77558759, P1*P2=152112581441304, total=517621142225111
> M=11, P1=4457400, P2=37442159, P1*P2=166894679526600, total=684515821751711
> M=12, P1=9657700, P2=17383859, P1*P2=167888095064300, total=852403916816011
> M=13, P1=20058300, P2=7726159, P1*P2=154973615069700, total=1007377531885711
> M=14, P1=40116600, P2=3268759, P1*P2=131131497299400, total=1138509029185111
> M=15, P1=77558760, P2=1307503, P1*P2=101408311376280, total=1239917340561391
> M=16, P1=145422675, P2=490313, P1*P2=71302628047275, total=1311219968608666
> M=17, P1=265182525, P2=170543, P1*P2=45225023361075, total=1356444991969741
> M=18, P1=471435600, P2=54263, P1*P2=25581509962800, total=1382026501932541
> M=19, P1=818809200, P2=15503, P1*P2=12693999027600, total=1394720500960141
> M=20, P1=1391975640, P2=3875, P1*P2=5393905605000, total=1400114406565141
> M=21, P1=2319959400, P2=815, P1*P2=1890766911000, total=1402005173476141
> M=22, P1=3796297200, P2=135, P1*P2=512500122000, total=1402517673598141
> M=23, P1=6107086800, P2=15, P1*P2=91606302000, total=1402609279900141
> M=24, P1=9669554100, P2=0, P1*P2=0, total=1402609279900141
>
> You can compare to your program and see where the two differ.
>
> - BGNJ
> --
> View this message in context:
> http://old.nabble.com/Re%3A-%28OT%29-Position-ID-documentation-tp28666843p28813912.html
> Sent from the Gnu - Backgammon mailing list archive at Nabble.com.
>
>
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