MEPHISTO Risc was launched in 1991. The program is written by Ed Schroeder and is the same program that won the the 1991 World Microcomputer Chess Championship (WMCCC) in Vancouver, Canada.
The actual program that won 1991 WMCCC championship was the TASC B. V. Chessmachine card with the program Gideon version 3.0. This program was made available as a module for the MEPHISTO modular range of chess computers in 1992.
The processor is an ARM2 RISC processor running at 14 MHz with 128 KB ROM and 1024 KB RAM. The build-in opening book comprises of approximately 60,000 half-moves.
The Risc module works with the MEPHSITO Exclusive and Muenchen modular chessboards.
The game style is more active than the Risc II (Gideon 3.1 Madrid) version that came out in 1994. The approximate ELO rating is 2460 USCF..