Author: Anthony Cozzie (USA)
Original Release Date: 2005-02-02
Homepage: https://www.acoz.net/zappa/
Ratings: https://ccrl.chessdom.com/ccrl/404/cgi/compare_engines.cgi?family=Zappa
Further Info: https://www.chessprogramming.org/Zappa
Further Info: https://en.wikipedia.org/wiki/Zappa_(chess)