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Subject: Re: Chess Tiger for Palm!! I would have liked it to be for Pocket PC!

Author: Ian Osgood

Date: 14:52:50 05/07/01

Go up one level in this thread


On May 07, 2001 at 15:07:41, Christophe Theron wrote:

>On May 07, 2001 at 14:03:11, Ian Osgood wrote:
>
>>On May 07, 2001 at 12:51:47, Paul wrote:
>>
>>>On May 07, 2001 at 12:01:36, Christophe Theron wrote:
>>>
>>>>On May 07, 2001 at 10:26:14, Gordon Rattray wrote:
>>>>
>>>>>On May 06, 2001 at 18:49:36, Christophe Theron wrote:
>>>>>
>>>>>>On May 06, 2001 at 16:57:45, Torstein Hall wrote:
>>>>>>
>>>>>>>I just saw that ChessTiger for Palm is comming out. You get a free text based
>>>>>>>version. It will later come in a comersial version with its own graphical user
>>>>>>>interface. As a user of a Cassiopeia Pocket PC, I just envy you Palm owners your
>>>>>>>Chess Tiger, even if you have to live with a somewhat suboptimal pocket
>>>>>>>solution!
>>>>>>
>>>>>>
>>>>>>
>>>>>>The Palm, a suboptimal solution????
>>>>>>
>>>>>>Obviously you have never tried it. It's cheap, it's fast, it's robust, has a
>>>>>>large autonomy, can be overclocked, does everything you need, and you find
>>>>>>thousands of programs for it.
>>>>>>
>>>>>>As far as I know, almost all owners of Palms are happy with it. And a large
>>>>>>percentage of owners of WinCE or PocketPC computers are not happy with it.
>>>>>>
>>>>>>Anyway, there will be a PocketPC version of Chess Tiger for Palm. I will come
>>>>>>after the graphical Palm version.
>>>>>
>>>>>[snip]
>>>>>
>>>>>Excellent.  I'm a PocketPC owner, and a happy one at that. ;-)  Are you porting
>>>>>only Chess Tiger to PDAs, or Gambit Tiger too?  One way or another, this is
>>>>>great news.  Thanks.
>>>>
>>>>
>>>>
>>>>Gambit Tiger is going to be ported as well. In the Palm commercial version
>>>>you'll be able to switch between Chess Tiger and Gambit Tiger easily with a
>>>>checkbox.
>>>>
>>>>
>>>>
>>>>
>>>>>p.s. my Compaq Ipaq has 64Mb RAM, will I be able to use some 4-piece endgame
>>>>>TBs? ;-)  I bet all the Palm owners are thinking, "don't worry, your batteries
>>>>>won't last long enough to see the endgame..." ;-)
>>>>
>>>>
>>>>
>>>>You can buy the extra battery pack for PocketPC. Only 15Kg, straps to carry it
>>>>on your back are provided, and you get an incredible 2 hours operating time with
>>>>it. :)
>>>>
>>>>
>>>>
>>>>
>>>>    Christophe
>>>
>>>I don't know the Ipaq, but if it's possible to create a RAM drive maybe you
>>>could have *all* 3&4 piece egtb's on there, since they're only 29.6 MB all
>>>together :)
>>>
>>>Paul
>>
>>Theoretically possible, but not practical.  Once you have any amount of data,
>>books and apps installed, you soon end up with less than 16M available.
>>Besides, you get more bang for the buck by using that memory for transposition
>>tables!  That is the big difference between PalmOS and PocketPC: linear, fast
>>access to more than 64K of memory at a time.  I'm assuming that Tiger Palm, like
>>ChessGenius, has no transposition tables.
>
>
>
>Bad guess. Chess Tiger for Palm uses hash tables.
>
>Who said a chess engine on the Palm cannot use hash tables? Did you believe it?
>;)

Well, hmm...  This is what Richard Lang (um, and you) told me when I asked this
question last year.  Something about not being able to access more than 64K of
memory at a time except by some sort of paging scheme.  In other words, the Palm
treated its internal memory more like disk storage than flat memory.  I admit
that I didn't confirm this independently.  I thought Richard would know what he
was talking about.

In any case...   WOO HOO!  Hash tables on a Palm!  Now I have an excuse to
upgrade my 2MB PalmIIIe!

Ian

>Chess Tiger for Palm has ALL the features of the PC engine (they are actually
>sharing the SAME source code).
>
>The only exception at this time is that the tablebase code is not used.
>
>     Christophe



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