Changes

an [[:Category:Open Source|open source chess engine]] supporting the [[Chess Engine Communication Protocol]] written by [[Oliver Brausch]] with [[C]] and [[Java]] versions available, and binaries running under [[Windows]], [[Linux]] and [[Mac OS]] <ref>[http://brausch.org/home/chess/index.html Chess Engine OliThink] by [[Oliver Brausch]]</ref>. The completely rewritten OliThink 5.x has a very fast [[Move Generation|move generator]] based on the framework of the [[Perft]] program OliPerft with a plain [[Bitboards|bitboard]] board representation without any [[Piece-Lists|piece-lists]] or [[Array|board arrays]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=18590 OliPerft with divide Option as Pre Version for OliThink 5] by [[Oliver Brausch]], [[CCC]], December 27, 2007</ref>. OliThink's [[Evaluation|evaluation]] consists almost of [[Material|material balance]] and [[Mobility|mobility]], plus a very simple [[Pawn Structure|pawn structure]] evaluation, rewarding [[Passed Pawn|passed pawns]]. OliThink 4.13 played the [[CCT6]] in 2004, with four points out of nine games <ref>[https://www.stmintz.com/ccc/index.php?id=346753 OliThink@CCT6 - Programmers View] by [[Oliver Brausch]], [[CCC]], February 03, 2004</ref>. In June 2020, after a long break, Oliver Brausch published OliThink '''5.4.0''' with a big leap in [[Playing Strength|playing strength]] due to modifications in [[Draw Evaluation|evaluation]] of likely [[Draw|drawn]] [[Endgame|endgames]] <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=7&t=74203 OliThink 5.4.0 has been published with an big leap in strength for only 3 lines of code] by [[Oliver Brausch]], [[CCC]], June 16, 2020</ref>.

=='''2008=='''

=='''2009=='''

==2010...==

=='''2011=='''

=='''2012=='''* [http://www.talkchess.com/forum/viewtopic.php?t=42084 Open Source Blitz Rating List: Olithink 5.3.0] by [[Lucas Braesch]], [[CCC]], January 21, 2012

* [http://www.talkchess.com/forum/viewtopic.php?t=42681 Open Source Bullet: Olithink 5.3.1] by [[Lucas Braesch]], [[CCC]], February 29, 2012

* [http://www.talkchess.com/forum/viewtopic.php?t=42757 Open Source Bullet: Olithink 5.3.2, Diablo 1.4] by [[Lucas Braesch]], [[CCC]], March 05, 2012==2020 ...==* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=74203 OliThink 5.4.0 has been published with an big leap in strength for only 3 lines of code] by [[Oliver Brausch]], [[CCC]], June 16, 2020* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=74256 Java vs C. It's not like one would think] by [[Oliver Brausch]], [[CCC]], June 22, 2020 » [[Java]], [[C]]* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=74821 An undetected bug for 10 years] by [[Oliver Brausch]], [[CCC]], August 18, 2020 » [[Diagonals#TwoSquares|Two Squares on a Diagonal]]* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75060 Official Release of OliThink 5.7.5 including a Java-GUI] by [[Oliver Brausch]], [[CCC]], September 09, 2020