Chess program with engine that implements all standard chess rules, such as castling, en passant, draw by repetition and draw by 50
- Opening book with 1500 half moves.
- Six different skill levels.
- Unlimited undo/redo.
- Copy/paste to/from clipboard.
- Free software, GPL license.
Author: Peter ?sterlund
Market link: org.petero.cuckoochess
Web site: http://web.comhem.se/petero2home
Market downloads: 1,000-5,000
Market rating: 3.7 / 5.0