Changes

a [[Dedicated Chess Computers|dedicated travel chess computer]] by [[Saitek|SciSys]] and identical by [[Novag]], first released in 1980, also licensed by other vendors under various brand names, such as ''Acetronic Chess Traveller'', ''Prinztronic Chess Traveller'', ''Ingersoll Chess Traveler'' and ''Tandy Computerized Chess'' <ref>[http://www.chesscomputeruk.com/html/chess_champion_pocket_chess.html Chess Champion Pocket Chess] from [http://www.chesscomputeruk.com/index.html Chess Computer UK] by [[Mike Watters]]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Klone Klone] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref>. The Chess Champion Pocket Chess has a four digit [https://en.wikipedia.org/wiki/Seven-segment_display 7-segment] [https://en.wikipedia.org/wiki/Light-emitting_diode LED] display, a small pegboard without sensors, and a [https://en.wikipedia.org/wiki/Keypad keypad] to [[Entering Moves|enter moves]]. The ''Intercontinental Traveler'', released in 1982 by SciSys and Novag as well, had an [https://en.wikipedia.org/wiki/Liquid-crystal_display LCD].

The [[Philidor Software]] program, written by [[Mike Johnson]] under assistance of [[David Levy]] <ref>[[Hans-Peter Ketterling]] ('''1981'''). ''Computer auf dem Vormarsch - VI Teil''. [http://de.wikipedia.org/wiki/Rochade_Europa Europa-Rochade], 04-1981, in [http://www.schaakcomputers.nl/hein_veldhuis/database/files/06-1980%20%5BD-0001%5D%20Novag%20-%20Chess%20Champion%20Pocket%20Chess%20%28Chess%20Traveller%29.pdf Novag & SciSys – Chess Champion Pocket Chess], pdf hosted by [[Hein Veldhuis]] (Dutch and German)</ref>, ran under a [[Fairchild F8]] 3850/3851 compatible [https://en.wikipedia.org/wiki/Mostek#Microprocessor_second_sourcing_deals 3870] controller using 2 KiB of [[Memory#ROM|ROM]] and comfortable 320 Bytes of [[Memory#RAM|RAM]], since the internal 64 bytes of the 3870 were expanded by an external 256x8 static RAM chip <ref>[http://www.datasheetarchive.com/dlmain/Datasheets-8/DSA-156855.pdf 3539-1CD 256x8 static RAM Datasheet] (pdf)</ref>. Thanks to [[Sean Riddle]], the ''Acetronic Chess Traveller'' is playable under the [https://en.wikipedia.org/wiki/Multi_Emulator_Super_System Multi Emulator Super System MESS] <ref>[http://www.seanriddle.com/f8.html Other F8 games - Acetronic Chess Traveler] by [[Sean Riddle]] - playable in [http://www.mess.org/ MESS]</ref>.