Home * Engines * SciSys Explorer

SciSys Explorer,
along with Olympiade, Companion II and Concord I, II a series of SciSys dedicated chess computers released from 1983 to 85. The computers had the Intel 80C50 CMOS microcontroller with 4 Kibi ROM and 256 byte RAM in common, running the Intel branch of the LogiChess program by Kaare Danielsen at a clock frequency of 3.6 resp. 7.2 MHz. A model similar to the Companion II was sold by RadioShack as Tandy 1650 [1]. The SciSys Explorer was Danielsen's first commercial LogiTech release [2], running at 3.6 MHz. The Explorer had an integrated travel sensory pegboard, while the other models were tabletops with press sensory boards.
Explorer Box [3]

Companion II

The Companion II ran at 7.2 MHz and had permanent brain implemented. The computer was released in 1984.
SciSys Companion II [4]


The rare Concord ran at 3.6 MHz, the Concord II at 7.2 MHz with permanent brain, and was released 1985.
SciSys Concord II [5]

See also

External Links


Companion II




  1. ^ Tandy 1650 from Schachcomputer.info Wiki
  2. ^ Danielsen, Kaare from Schachcomputer.info Wiki
  3. ^ Scisys/Saitek Collection by Chewbanta
  4. ^ Chess Companion II from Chess Computer UK by Mike Watters
  5. ^ Concord II from Chess Computer UK by Mike Watters

What links here?

Up one level