Chess programs for GS?

[Gary Wheeler <gwheeler@foxboro.com>]

For Father's Day, I am trying to locate someplace where I can
buy/obtain/(steal?) a chess program for the AppleIIGS.  I'd like to give
to my Dad for Father's Day.

He has a used AppleIIGS that I bought for him a few years ago, which
came with (among other sundry items) a chess program designed for the
II.  However, being that it's not a GS-specific program, the lower
resolution and limited colors makes it difficult to distinguish the
pieces at times. 

Does anyone know where I might be able to locate a suitable program?  I
searched through my old Apple magazines and the only GS-specific chess
game I could find was BattleChess.  (The other was Sargon III, but that
was for all IIs.)  The last seller (in a 1994 mag) I could locate was
Big Red Computer Club, but I undestand they've been long since gone.

Can anyone help out with ideas?  Anyone out there want to part with a
good GS chess program for a reasonable price?

Gary