a dedicated chess computer module for Mephisto module systems by Hegener & Glaser launched in 1989. The Rebel based 8-bit program by Ed Schröder run on a 65C02 CMOS processor with 5MHz. The same program appeared in the Mephisto Academy, a computer with focus on didactics and teaching chess, also dedicated to the Polgar sisters Susan, Sofia and Judit. In 1990, an improved 10 MHz module was released .
- Helmut Pfleger, Gerd Treppner, Helmut Weigel (1989). Academy, Buch für Mephisto ... . Schachversand Niggemann (German)
- Module Polgar from The Spacious Mind
- Mephisto Polgar from Schachcomputer.info Wiki (German)
- Mephisto Polgar 10 MHz from Schachcomputer.info Wiki (German)
- Mephisto Academy from Schachcomputer.info Wiki (German)