REBEL is 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 â 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 â Ported to the ARM ChessMachine and named Gideon, it won the World Microcomputer Chess Championship.
- 1992 â 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 â REBEL was ported to MS-DOS and then Microsoft Windows and sold commercially
- 1997 â REBEL won a match with GM Arthur Yusupov 10.5âÂÂ6.5, the first successful challenge of a chess grandmaster by a commercial program.
- 1998 â REBEL won a match with GM Viswanathan Anand 5âÂÂ3 (but lost 0.5âÂÂ1.5 in the standard time control section of the match). He was rated number two in the world at the time.
- 2004 â Ed Schröder retired, releasing the last version of REBEL as the freeware chess engine Pro Deo.
- 2022 - On January 12, 2022, Ed Schröder came out of retirement to release REBEL 14 as a free chess engine. It incorporates an efficiently updatable neural network in REBEL's evaluation function, along with a heavily modified version of Fruit's search.
Reception
Games Domain reviewed version 7.0 and wrote: "Rebel 7.0 is an impressive chess program, both in terms of playing strength and features."
See also
References
External links
- Rebel (Chess Programming Wiki)