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Subject: Re: Why Tiger calls it Mate in 25?

Author: Paul

Date: 06:39:29 04/20/01

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On April 20, 2001 at 09:01:53, Robert Hyatt wrote:

>On April 19, 2001 at 23:34:48, Chessfun wrote:
>
>>On April 19, 2001 at 21:00:50, Jeff Lischer wrote:
>>
>>>On April 19, 2001 at 10:23:47, Robert Hyatt wrote:
>>>
>>>>
>>>>Somebody's confused somewhere.  It is a mate in 26 starting with Ne4.  IE
>>>>counting Ne4, white needs exactly 26 moves to force mate.  What's with all
>>>>the other numbers these programs are getting???
>>>
>>>I did some experimenting Tiger and it seems that Tiger rounds down! If the mate
>>>is in 1 ply (or 0.5 moves) Tiger calls it Mate in 0. Tiger calls mate in 2 plies
>>>(1.0 moves) Mate in 1. And so on. Since the position above is mate in 51 plies
>>>(25.5 moves), Tiger calls it Mate in 25. :)
>>>
>>>I don't know about the other programs.
>>
>>You are correct Christophe has written on this here before.
>>As for the others programs no idea why they had different #s to mate.
>>I have all 3,4 and 5 men bases in one directory 7.05 GB.
>>All programs ran for about one minute.
>>
>>Sarah.
>
>
>7.05 sounds wrong.  I get this:
>
>7411980
>
>and I _know_ I have all the 3-4-5 piece files there...

Hi Bob,

Just made a little dos program that loops through all my (290) etb-files to add
up the total size; I get: 7580348624, which is exactly what w98 says, and if you
divide that by 1024^3 you get 7.05 GB ... or ~7,402,684 kB. Strange?

Groetjes,
Paul




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