The program was written by Richard Lang and became the winner of the World Chess
Microcomputer Championship (WCMC), Manufacturer Group, at Vancouver in 1991.
This was the seventh
consecutive year of domination for
Richard Lang and Mephisto.
In 1992, there was no WCMC.
In 1993, the fabulous Wundermaschine with the Genius 2 program of
Lang won the WCMC.
After 1993, the PC world was taking the lead on the dedicated chess
computers.