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was a brand name of [[6502]] [[Module|module]] based [[Dedicated Chess Computers|dedicated chess computers]] by the German company [[Consumenta]] with a program by [[Ulf Rathsman]] supported by [[Johan Enroth]]. Consumenta's owners, [[Peter-Ingolf Gericke]] and [[Klaus Heyne]] hired Ulf Rathsman immediatly immediately after his runner up success with [[Princhess]] at the [[WMCCC 1981]] in [https://en.wikipedia.org/wiki/Travem%C3%BCnde Travemünde] for their project. The computers were developed by ''LOPROC'' <ref>[http://branchenbuch.meinestadt.de/feldafing/company/8300431 LOPROC Computer und Logikprozessor Systeme GmbH Feldafing - Branchenbuch meinestadt.de]</ref>, Germany, and manufactured by ''Wallharn Electronics'', Ireland. After Consumenta went bankrupt in 1983, Conchess continued under the aegis of Johan Enroth. Princhess, running on a Conchess computer became tied [[WMCCC 1984|World Microcomputer Chess Champion 1984]] in [https://en.wikipedia.org/wiki/Glasgow Glasgow], where also two Conchess computers competed with [[Lars Hjörth]] as co-author. At the [[WMCCC 1985]] in [https://en.wikipedia.org/wiki/Amsterdam Amsterdam], Rathsman's new program [[Plymate]] as well as Princhess competed running on dedicated Conchess computers. Their respectable second place in the Commercial team champiomhship was somehow dwarfed by [[Richard Lang|Richard Lang's]] success with his [[Mephisto Amsterdam]] program, yielding more or less in the cessation of Conchess computer manufacturing.