Queen (engine)

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Queen, a WinBoard and UCI compliant chess program with an own GUI by Leen Ammeraal, written in C++, first released in April 2000, the WinBoard version in January 2001. Queen applies principal variation search utilizing a transposition table, storing both lower and upper bound scores with separate drafts but only one best move.

=See also=
 * RedQueen
 * Queen (Chess Piece)
 * Senior Chess

=Forum Posts=
 * Yet another (amateur) chess program by Leen Ammeraal, CCC, April 18, 2000
 * Leen Ammeraal's 'Queen' in direct violation of GPL license by Gian-Carlo Pascutto, CCC, May 02, 2000
 * Why not store both a lower and an upper bound in a hashtable? by Leen Ammeraal, CCC, December 06, 2000
 * WinBoard version of Queen now downloadable by Leen Ammeraal, CCC, January 13, 2001
 * Queen 3.00 by Leen Ammeraal, CCC, February 17, 2005
 * Queen 4.03a: GUI improved by Leen Ammeraal, Winboard Forum, June 17, 2011
 * Not very Known and Yet Very Good engine: Queen Chess by Fernando Villegas, CCC, October 31, 2014

=External Links=

Chess Engine

 * Leen Ammeraal - Queen
 * Queen 4.03 in CCRL 40/4
 * Queen 4.03 in CCRL 40/40

Misc

 * Queen (disambiguation) from Wikipedia
 * Queen consort from Wikipedia
 * Queen regnant from Wikipedia
 * Queen (chess) from Wikipedia
 * Queen (playing card) from Wikipedia
 * Queen ant from Wikipedia
 * Queen bee from Wikipedia
 * Queen (butterfly) from Wikipedia
 * Queen - Innuendo (Promotional video, 1991), YouTube Video

=References= Up one level