Screamer Chess II 2.0

Screamer Chess is a master-strength chess program. Features: unlimited move takeback, two piece sets, computer analysis displayed and logged, position setup, position copy/paste in EPD format, ExaChess compatible, Applescriptable, defeated Crafty 14.11 (62.5-61.5) in 124 game ExaChess match. Features include: Fully functional chess engine that plays legal chess including castling, en passant, and recognized standard draw positions including draw by 3 fold repetition, draw by insufficient material, draw by 50 move rule. Unlimited move take back. This is ability to take back all moves up to the initial move made by a player or the computers. Variable hash table support from 512 Kb to 40 Mb. Intuitive Click and Drag -or- Point and Click piece movement. Fully scriptable interface and support for Apple Events. Exachess 2.x and Exachess Lite 2.x chess database compatibility. Simply place Screamer or an alias to Screamer in the Exachess:Tools:Engines folder and select Screamer in the engines dialog. Opening Book of 38209 unique positions. A much larger optional opening book (approximately 3x larger). Support for all 3, 4, and 5 man end game tablebases. Optionally outputs all games in PGN format (PGN log file).