a couple of Free WB Engines for you to try (Chess)
SonOfMainsworthy
and Experimental Enines 3 and 4
at http://wbec-ridderkerk.nl/index.html
or direct download for a temp period
http://www.geocities.com/markjamestop/mainsworthyandson01.zip
the SOM is a staright AlphaBeta
EX 3 and 4 are Quiescense search
hope you enjoy them, EX 4 needs 20mins to play 3 is fast play and SOM is ok at 5mins