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Subject: Re: virtual chess

Author: ujecrh

Date: 11:19:05 06/17/02

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There were in fact many versions of Virtual Chess (which was even called Virtua
Chess because of some legal issues at some point):
- Version 1 was DOS-only. It was fairly nice at that time, supporting up to
1024x768x256 vesa mode resolution, and real 3D view with pieces design on an SGI
box.
- VC Platinum CD contains versions for DOS, Win3.x (using the win32s api), WinNT
and higher.
- VC for Windows contained only a Windows 32 version that I believed was the one
already present in Platinium CD
- VC2 is an update of the engine and (unfortunately IMO) of the GUI
- VC Academy was AFAIK the same as VC2 with tutorials and other addons. Very
very buggy though...

One nice thing about VC was that the installation was not taking any space on
the machine, just a dll and a configuration file. The program could run mainly
from the CD (well, you had to have the CD in the drive to run the program which
some people might not like).

Jean-Christophe Weil and Marc Francois Badaut (I hope I do not misspell) were
the authors of the engine. JCW also wrote his PHD thesis on parallelism of chess
program if I recall correctly. Another paper that JCW wrote was about pawn
structure management, I think it dealt with what they called an "oracle" for
pawn structures evaluation.

Some years ago I asked JCW about his program not being tested by SSDF and, even
if the autoplayer may have been an issue, the author clearly did not want VC to
be part of the list. They focussed on playing humans and got some nice results
(among them a >2600 performance at Aubervillier I think).


Ujecrh



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