ATPM Chess Roundup
Review/ratings of 5 free Macintosh chess programs: Sigma Chess(Excellent), MacChess (Very Nice), ChessWorks (Good), GNUChess (Okay), Vampire Chess (Rotten)
ATPM: Mac Chess Downloads
Review of Sigma Chess Lite 5.12, Vanessa Chess 2.01, with tournament results.
Chess And Your Macintosh
This Mac Observer article discusses software for learning chess, playing chess over the internet, and free chess-playing programs.
Chessmaster 6000 review at Mac Gamer's Ledge
About a two page review - thumbnail screenshots link to large screenshots.
Chessmaster 6000 Review at MacReview
1 page review with many screenshots, rating
ExaChess vs. ChessBase
Virginia Chess Federation review compares these two Mac chess databases, favors ExaChess
Kasparov Chessmate
Inside Macintosh Games Review - 2 pp, 9 screenshots
MacChess 4.0 Review
by The Game Guys in My Mac Online