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'''RofChade''', (rofChade)<br/>
an [[UCI]] compliant chess engine by [[Ronald Friederich]], written in [[Cpp|C++]]. While its over the board tournament debut already occured at the [[PT 53]] in Spring 2018, RofChade was first released in August 2018.However, the program's name was already established after the author made first attempts in chess programming in the 90s, combining his initials and [https://nl.wikipedia.org/wiki/Rochade rochade], the Dutch term for [[Castling|castling]] <ref>[http://rofchade.nl/?page_id=106 Thanks – RofChade]</ref>.
Despite initially using a [[Tapered Eval|tapered eval]] of [[Middlegame|middlegame]] and [[Endgame|endgame]] [[Material|material]] and asymmetrical [[Piece-Square Tables|piece-square tables]] only,
albeit [[Texel's Tuning Method|Texel tuned]] and along with a sophisticated [[Parallel Search|parallel search]], RofChade '''1.0''' nevertheless aleady already played in the 2700+ Elo range <ref>[http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?match_length=30&each_game=1&print=Details&each_game=1&eng=RofChade%201.0%2064-bit#RofChade_1_0_64-bit RofChade 1.0 64-bit] in [[CCRL|CCRL 40/40]]</ref>.
RofChade 2.0 in December 2018, came with an improved [[Evaluation|evaluation]] considering [[Pawn Structure|pawn structure]] and [[King Safety|king safety]].
=Tournament Play=
RofChade had its over the board tournament debut at the [[PT 53]] [[CSVN Programmers Tournament]], and further played the [[PT 54]], the [[PT 55]] (2nd behind [[Komodo]]), and won the [[PT 56]]. Online, at the [[WCRCC 2018]], RofChade won versus [[Chiron]] and Komodo in the regular rounds, and all three programs finished with 8½/11 so that a playoff was neccessary to decide about the winner, where finally the commercial program succeeded with RofChade strong third. Since February 2019 at [[TCEC Season 14]], RofChade successfully plays at [[TCEC]], promoting to the [[TCEC Season 16#First|First Division]].
=Photos & Games=
=Features=
<ref>based on [http://rofchade.nl/?page_id=116 Technical – ROFCHADERofChade], December 2018</ref>
==[[Board Representation]]==
* [[Bitboards]]
** [[Check Extensions]] if [[Static Exchange Evaluation|SEE >= 0]]
==[[Evaluation]]==
* [[Tapered Eval]]
* [[Texel's Tuning Method]]
* [[Material]]
* [[Piece-Square Tables]]<ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=68311&start=19 Re: New uci engine: Rofchade] by [[Ronald Friederich]], [[CCC]], August 28, 2018</ref>
* [[Pawn Structure]]
* [[King Safety]]
=See also=
* [[PeSTO]]
* [[PeSTO's Evaluation Function]]
=Forum Posts=
==2018 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=68311 New uci engine: Rofchade] by [[Ronald Friederich]], [[CCC]], August 27, 2018
: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=68311&start=19 Re: New uci engine: Rofchade] by [[Ronald Friederich]], [[CCC]], August 28, 2018 » [[Tapered Eval]], [[Piece-Square Tables]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=69330 rofChade 2.0 released, first version with regular eval] by [[Ronald Friederich]], [[CCC]], December 20, 2018
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=70593 New release: rofChade 2.1] by [[Ronald Friederich]], [[CCC]], April 26, 2019
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=71745 New release: rofChade 2.2] by [[Ronald Friederich]], [[CCC]], September 06, 2019
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=73719 New release: rofChade 2.3] by [[Ronald Friederich]], [[CCC]], April 21, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75247&start=15 Re: A Crossroad in Computer Chess; Or Desperate Flailing for Relevance] by [[Ronald Friederich]], [[CCC]], September 29, 2020 » [[NNUE]]
=External Links=
<references />
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