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REBEL was a world champion chess program developed by Ed Schröder. Development of REBEL started in 1980 on a TRS-80, and it was ported many times to dedicated hardware and the fastest microprocessors of the day: *1980s – Running on a TRS-80, Apple II, and inside of Mephisto brand dedicated chess computers, it won the Dutch open computer chess championship four times. *1991 – Ported to the ARM ChessMachine and named Gideon, it won the World Microcomputer Chess Championship. *1992 – Gideon won the World Computer Chess Championship, the first time a microprocessor came ahead of a field of mainframes, supercomputers, and custom chess hardware. *1990s – REBEL was ported to Microsoft DOS and then Microsoft Windows and sold commercially * *1997 – REBEL won a match with GM Arthur Yusupov 10.5–6.5, the first successful challenge of a chess grandmaster by a commercial program. * *1998 – REBEL won a match with GM Viswanathan Anand 5–3 (but lost 0.5–1.5 in the standard time control section of the match). He was rated number two in the world at the time. *2004 – Ed Schröder retired, releasing the last version of REBEL as the freeware chess engine Pro Deo. ==External links== *(Ed's recollection of REBEL's history ) *(Wealth of information on the inner workings of a professional program ) *("How REBEL Plays Chess" by Ed Schröder ) (PDF) 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「REBEL (chess)」の詳細全文を読む スポンサード リンク
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