Arthur

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Arthur, a Chess Engine Communication Protocol compatible, portable chess engine by Walter Ravenek. Developed in the 90s, Arthur had an own graphical user interface for the Apple Macintosh computer.

=Tournament Play= Arthur played various Dutch Open Computer Chess Championships with strong results, for instance becoming third at the DOCCC 1998 behind The King and CilkChess. It further played multiple Aegon Tournaments in the 90s, the IPCCC 1994, the WMCCC 1997 in Paris and the WCCC 1999 in Paderborn.

=Descriptions= from the ICGA tournament site

1997
Arthur is an amateur chess program that has been developed as a literate program, i.e., with description and source code integrated in a single document. The complete print-out is some 500 pages. The program uses conventional search techniques, with some specific extensions developed by the author. The program is knowledge intensive and plays mainly positional games. Arthur has been a regular guest in the AEGON Man vs. Machine tournaments and the Open Dutch Computer Chess Championships. Over the last three years it has finished between the top amateur programs.

1999
Arthur is a strong Dutch amateur program. It has finished as the best amateur program in the Open Dutch Computer Chess Championships for the last three years, performing reasonably well against commercial programs. The program consists of a platform independent chess engine, which is connected to a graphical user interface for the Macintosh. A WinBoard version will be available in the near future. Arthur is quite capable tactically, but it tends to play a positional game, when given the chance.

=Computer Judgment= In 1995, Walter Ravenek mentioned that Arthur has code to handle the position composed by Roger Penrose concerning blockage detection. Does your program avoid bxa5? Walter found it a nice challenge, but due to little practical value, the code was deactivated to safe some evaluation time : 6kr/5b1p/2p3pP/rpPp1pP1/pP1PpP2/P3P3/1K6/8 6kr/5b1p/2p3pP/rpPp1pP1/pP1PpP2/P3P3/1K6/8 w - - 0 1

=See also=
 * Eowyn
 * Excalibur King Arthur

=Publications=
 * Walter Ravenek (1995). Computer Judgment. Computer Chess Reports, Vol. 5, Nos. 3+4, pp. 124 » Computer Judgment
 * Raymond Smullyan (2010). King Arthur in Search of His Dog and Other Curious Puzzles. Dover Books on Mathematics

=Forum Posts=
 * Re: Computer Judgment by Walter Ravenek, rgcc, October 25, 1995 » Blockage Detection, Computer Judgment
 * bounds in alpha-beta by Walter Ravenek, rgcc, June 05, 1996 » Fail-Soft
 * Re: Crafty V11.3 by Walter Ravenek, rgcc, October 22, 1996 » Crafty, Fractional Extensions
 * Re: forced mate by Walter Ravenek, rgcc, November 24, 1996
 * Re: Dutch CCC - Arthur on 300MHz G3 2nd weekend by Richard A. Fowell, CCC, November 29, 1998

=External Links=

Chess Engine

 * Arthur's ICGA Tournaments

Misc

 * Arthur (disambiguation) from Wikipedia
 * Arthur (name) from Wikipedia
 * King Arthur from Wikipedia
 * List of Arthurian characters from Wikipedia
 * King Arthur (disambiguation) from Wikipedia
 * The Coming of the King from Wikipedia
 * Arthuriana by Thomas Green
 * Theosophy Avalon / Ynys Witrin - The Theosophy Wales King Arthur Pages - Vortigern's Stronghold Dinas Emrys

=References= Up one level