YChess

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YChess,
a family of chess programs by Roman Antonczyk, early Postcardware MS-DOS versions from the mid 90s running on 386 PCs with VGA or SVGA graphics cards. DOS Version 1.09, as available in the Internet Archive, mentions in its readme file a new command line options to adjust the transposition table size, recapture extensions, and modified passed pawn extensions [1]. The later, no longer available Windows version YChess 1.0 was commercial distributed via the Kagi.com e-commerce micropayment platform [2]. It is a native engine with an own WinBoard and UCI compliant GUI [3] and apparently own endgame tablebases [4].

Screenshots

DOS

Ychess.jpg

YChess 1.09 DOS Screen [5]

Windows

YChessW1.jpg

YChess 1.0 Windows GUI [6]

Forum Posts

1996 ...

2000 ...

2010 ...

Re: YChess 1.0 = a superb engine & GUI by Ruxy Sylwyka, CCC, August 26, 2013

External Links

References

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