LordKing is a chess engine for Windows. It is UCI-compatible which means it will run in any interface which supports UCI protocol, like for example Fritz (Chessbase) and  Arena. LordKing is written in C++ and has a lot of chess knowledge. Lordking has many version. In this site you can download some different personality style editions. LordKing is freeware and is only for presonal use. LordKing is the only engine which use my personal A.S.P. (Analisis Selective Pivotto) serach techniques.