M Winther wrote on Sun, Aug 15, 2010 02:13 PM UTC:
When discussing the strength of Zillions one cannot compare with Rybka. One must compare with average human strength. In fact, many tabletop computers being sold today have around 1500 Elo. This seems to be good enough for many an amateur. Zillions on a 3 Ghz computer is far above 1500 Elo. It is a remarkably good software for chess variants. Nothing compares. Its versatility makes it immensely useful.
/Mats