Prototype No. 1
The first of the three documented prototypes; collection records state that it remained at the Sindelfingen facility until 2010.
One of three distinct Mercedes-Benz dedicated chess-computer prototypes preserved together in the ChessEval Collection.
All three prototypes share a distinctive high-gloss varnished wooden-board appearance, but they differ in construction, internal electronics, circuit boards and Hegener & Glaser modules.
The first of the three documented prototypes; collection records state that it remained at the Sindelfingen facility until 2010.
Confirmed physical specimen in the ChessEval Collection. It is catalogued separately from the two other Mercedes-Benz prototypes because the three machines are technically distinct.
One of three purpose-built prototypes documented as a related series.
This specimen is confirmed as part of the complete three-prototype Mercedes-Benz series preserved by ChessEval.
The public Museum record uses only non-identifying provenance facts. Private acquisition correspondence is retained as internal documentation; correspondent names and personal contact details are not published.