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Greg Strong wrote on Sat, Nov 12, 2016 10:09 PM EST:

ChessV 0.95 Released

After many years, I am releasing an updated version of ChessV.  The previous version, 0.94 introduced a problem that actually greatly weakened playing strength from version 0.93.  This version corrects that issue and adds other speed enhancements which should make this by far the strongest version.

ChessV can be downloaded from my new domain www.chessv.org. There is no installation program.  Just download the correct version (32-bit or 64-bit), unzip, and run ChessV.exe.

Please note that, as some of you know, there is a new ChessV, version 2.0, rewritten completely from scratch that is forthcoming.  Hopefully I'll be releasing that in the near future too, but that isn't what this is.  This is a new version of the "classic" ChessV.  I don't know if there will be any further releases of the classic version, but since version 0.94 had issues, it didn't seem right to leave that unfixed.

Changes from previous version:

  • Multiple bug fixes, including one that seriously impacted playing strength

  • Addition of Late Move Reductions (LMR), an engine feature that will further enhance playing strength

  • Added support for Enep by Aurelian Florea

  • Fixed a problem with Ralph Betza's Chess with Augmented Knights that I only discovered while trying to use it as a template for Enep.  This has probably been broken for many versions.  Actually, this Betza invention is so obscure, I had to dig pretty deeply to find the chessvariants.com page for it.

  • Updated the implementation of Joe Joyce's Modern Shatranj to reflect the new, simplified promotion rule.  Previous versions actually did support the complex rule, but it required a special class to implement it (I couldn't just use the standard class the other Shatranj variants use.)  This change allowed me to eliminate two files and over 100 lines of source code.  Thanks, Joe, for agreeing to simplify things :)

Please let me know if you have any questions or issues with this version.


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