Just released a nice chess game called Grandmaster Chess Elite.
Windows build is included, Mac version coming soon. I will also add more environments and chess pieces set. Ah and online multiplayer will be added soon also.
-2 unique environments (Old Study and Tavern)
-2 unique chess piece sets (Marble and Wood)
-7 levels of ever increasing difficult AI to play against
-2 player mode
-Undo move
-3D or traditional 2D view
-Supports castling, en passant, promotion and all other standard chess rules