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Microchess, by Peter R. Jennings, was originally a microcomputer chess program for the MOS Technology KIM-1 microcomputer, first released on December 18, 1976. ''Microchess'', as small as it was in terms of program size, could still play passable chess on the KIM-1 with its 6502 microprocessor, 1 kilobyte of memory, simple hex keyboard, and seven-segment display. Selling it at a price of US$10, Jennings refused to sell the rights of the program to Chuck Peddle (president of MOS Technology) for $1000.〔 〕 It was the first software package to sell 50,000 copies. Jennings founded Personal Software to publish ''Microchess'' to the growing microcomputer market. Money made from ''Microchess'' and other software projects allowed Jennings, together with Dan Fylstra, to launch VisiCalc and then create the VisiCorp company. VisiCalc would be its greatest success. ''Microchess'' was later expanded into a more fully featured program with graphics for the TRS-80, Apple II, Commodore PET and Atari 400/800 computers. It was also licensed to Novag for its dedicated Chess Champion Mk II in 1979. ==Reception== ''BYTE'' in 1981 stated that when chess programs such as ''Microchess'' appeared, "we all laughed and proceeded to demolish them ... microcomputer chess programs had a poor reputation". Tim Harding in 1985 called ''Microchess'' "dreadful". 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Microchess」の詳細全文を読む スポンサード リンク
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