SciSys Explorer
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![](/images/thumb/3/3a/ExplorerChess.jpg/300px-ExplorerChess.jpg)
SciSys Explorer, (Explorer Chess)
along with Olympiade, Companion II, Concord I, II and Electronic Chess Mark 8, a series of SciSys dedicated chess computers released from 1983 to 85.
The computers had the Hitachi HD6301V1 microcontroller with 4 Kibi ROM and 256 byte RAM in common, running the 6800 branch of the LogiChess program by Kaare Danielsen at a clock frequency of 3.6 resp. 7.2 MHz.
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.
Companion II
![](/images/thumb/c/cf/Chess_Companion_II.jpg/300px-Chess_Companion_II.jpg)
The Companion II ran at 7.2 MHz and had permanent brain implemented. The computer was released in 1984. A revised version of the Companion II was released by Quelle in Germany. A model similar to the Companion II was sold by RadioShack as Tandy 1650 [4].
Concord
The rare Concord ran at 3.6 MHz, the Concord II, released in 1985, at 7.2 MHz with permanent brain.
See also
Forum Posts
- Kaare Danielsen Comparisons by The Spacious Mind, Hiarcs Forum, January 14, 2015
External Links
Explorer
- Explorer Chess from Chess Computer UK by Mike Watters
- SciSys Explorer Electronic Chess Computer from The Spacious Mind
- Scisys Explorer by Tom Luif
- SciSys Explorer from Schachcomputer.info Wiki (German)
Companion II
- Chess Companion II from Chess Computer UK by Mike Watters
- SciSys Companion II from Schachcomputer.info Wiki (German)
- Chess Companion II (pdf) by Hein Veldhuis
Concord
- Concord from Chess Computer UK by Mike Watters
- Concord II from Chess Computer UK by Mike Watters
- Scisys Concord II by Tom Luif
- SciSys Concord II from Schachcomputer.info Wiki (German)
Misc
- Olympiade from Chess Computer UK by Mike Watters
- Electronic Chess Mark 8 from Chess Computer UK by Mike Watters
- SciSys Electronic Chess Mark 8 from Schachcomputer.info Wiki (German)
- Tandy 1650 from Schachcomputer.info Wiki (German)