'''[[Main Page|Home]] * Engine Testing'''
'''Engine Testing''',<br/>
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'''[[Main Page|Home]] * [[Protocols]] * Chess Engine Communication Protocol'''
'''Chess Engine Communication Protocol''' (CECP),<br/>also dubbed the '''XBoard''' or '''Wi
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There are several independent and private '''Engine Rating Lists''' for various [[Time Management|time controls]] (TC). The cla
* The first pure chess engine rating list with [[Pondering|PONDER ON]]
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'''[[Main Page|Home]] * [[Engines]] * Tempo (engine)'''
an experimental chess engine developed by [[Mathieu Autonès]], [[Aryel Beck]], [[Phillippe Camacho]], [
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'''[[Main Page|Home]] * [[Engines]] * CPW-Engine'''
...i/GitHub GitHub] <ref>[https://github.com/nescitus/cpw-engine nescitus/cpw-engine · GitHub]</ref>.
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * 0x88_math'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Algebraic'''
...otation]]. The code on this page is used to translate the positions in the engine native form to the GUI friendly representation and back again.
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Attacks'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Board (0x88)'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Book'''
This is the[[Opening Book | opening book]] module of the CPW - Engine.Is responsibilities are :
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Book.h'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Chronos'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * com'''
...th the communication with the [[GUI]].The supported GUI formats are[[Chess Engine Communication Protocol | Xboard]] and [[UCI]] Protocol.
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Console UI'''
printf(" CPW chess engine ");
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Eval'''
Using this evaluation function CPW-Engine should be aware of the following principles:
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * eval.h'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * eval_init'''
* Current version of CPW-engine does not differentiate between *
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * main'''
The main routine of the engine.
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Move(0x88)'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * movegen(0x88)'''
This page holds the movegenerator of the engine CPW. For function definitions see [[CPW-Engine_movegen_h]].
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * movegen.h'''
* CPW-engine *
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Quiescence'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Recognizer'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Root'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Search'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * search.h'''
* CPW-engine *
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * stdafx.h'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Transposition'''
/* function taken from Sungorus chess engine */
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Transposition Header'''
'''[[CPW-Engine|Up one Level]]'''
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'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * Utils'''
'''[[CPW-Engine|Up one Level]]'''
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a [[Chess Engine Communication Protocol]] compliant chess engine by [[Alessandro Damiani]], written in [[C]], first released in October 1998
...er-chess.org/doku.php?id=computer_chess:wiki:download:engine_download_list Engine Download List] from [[Ron Murawski|Ron Murawski's]] [http://computer-chess.
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...talkchess.com/forum/viewtopic.php?t=54202 Not very Known and Yet Very Good engine: Queen Chess] by [[Fernando Villegas]], [[CCC]], October 31, 2014
==Chess Engine==
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'''[[Main Page|Home]] * Engine Programming'''
This is about chess engine programming.
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'''Engine Similarity''',<br/>
One approach to assess engine similarity is to [https://en.wikipedia.org/wiki/Similarity_measure count] h
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* [[CPW-Engine]] [[CPW history|v1.1]] - December 30, 2014
* [[EveAnn]] 1.72 - December 31, 2013, see [[Engine releases#EveAnn172|EveAnn 1.72]] Bug fixed
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'''[[Main Page|Home]] * [[Engine Testing]] * [[Test-Positions]] * CCR One Hour Test'''
The '''Eigenmann Rapid Engine Test''' (ERET), designed by [[Walter Eigenmann]], is a collection of '''111
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...[Magic Bitboards|magic bitboard]] tables. For didactic purposes, the [[CPW-Engine]] has been developed by some wiki members. You can start browsing using the
* [[Engine Testing|Testing]]
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...w.sciencedirect.com/science/article/pii/S0167404814001485 On the limits of engine analysis for cheating detection in chess]''. [https://www.journals.elsevier
...w.sciencedirect.com/science/article/pii/S0167404814001485 On the limits of engine analysis for cheating detection in chess]''. [https://www.journals.elsevier
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Just '''getting started''' with a new engine? Congratulations! You are in for a lot of fun, but there is a considerable
...tions|repetition draws]], it is the backbone of the chess engine, and your engine will not get far without it.
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...en-aurec.com/wbforum/viewtopic.php?f=4&t=5220 CPU usage at 505 in Winboard Engine] by mjlef, [[Computer Chess Forums|Winboard Forum]], July 19, 2006 » [[Win
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=Engine Forums=
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=CPW-Engine=
* [[CPW-Engine]]
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a [[WinBoard]] and [[UCI]] compliant chess engine by [[Uri Blass]]. Movei is written in [[C]] around a [[Move Generation#Lega
==Chess Engine==
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The [[Chess Engine Communication Protocol|Winboard]] adapter by [[Stefan Meyer-Kahlen]] <ref>[
...e/de/shredder-iii-engine-fur-mcs.html Stefan Meyer-Kahlen - Shredder III - engine für MCS] - [[Schachversand Niggemann]]</ref> <ref>[https://www.schachversa
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...lympiad#Othello|20th Computer Olympiad, Leiden 2017]], the [[UCI]]-[[Chess Engine Communication Protocol|Winboard]] adapter [[PolyGlot]], and the [[Draughts|
...opic.php?topic_view=threads&p=260688&t=27385 Re: When will come a new Toga Engine?] by [[Ryan Benitez]] from [[CCC]], April 10, 2009</ref>.
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...engine [[Crafty]] was the strongest [[:Category:Open Source|open source]] engine for many years in the 90's and early 00's. He was primary author of [[Blitz
...] <ref>[https://www.stmintz.com/ccc/index.php?id=245615 3 interviews about engine protocols with T. Mann, R. Hyatt and M. Blume] by [[Frank Quisinsky]], [[CC
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The aim of computer chess protocols is to define a standard to let a chess engine communicate with [[User Interface|user-]] or [[GUI|graphical user interface
* [[Chess Engine Communication Protocol]] as used by the [[XBoard]] or [[WinBoard]] [[GUI]]
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....pdf pdf] <ref>[https://en.wikipedia.org/wiki/Analytical_Engine Analytical Engine from Wikipedia]</ref> <ref>[https://en.wikipedia.org/wiki/Percy_Ludgate Per
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...ki:lists:private_engine_list#inactive_private_engine_list inactive Private Engine List] from [http://computer-chess.org/doku.php?id=home Computer-Chess Wiki]
...exclude moves] by [[Peter Kappler]], [[CCC]], November 17, 2010 » [[Chess Engine Communication Protocol]]
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...m3/viewtopic.php?f=2&t=77511 PieceList in older versions of Glaurung Chess Engine] by shahil4242, [[CCC]], June 19, 2021 » [[Glaurung]]
....php?f=2&t=77511&start=2 Re: PieceList in older versions of Glaurung Chess Engine] by [[Tord Romstad]], [[CCC]], June 19, 2021
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* [[Chess Engine Communication Protocol|CECP]] - Chess Engine Communication Protocol
* [[Chess Engine Communication Protocol]] (CECP)
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...elk.net/mscp/ MSCP - Marcel's Simple Chess Program]</ref>, and the [[UCI]] engine [[Floyd]] for study purposes <ref>[http://www.talkchess.com/forum/viewtopic
...p=410664&t=39407 Re: Programmers: what's the story behind the name of your engine] by [[Marcel van Kervinck]], [[CCC]], June 18, 2011
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* [[Chess Engine Communication Protocol]]
* [[CPW-Engine]]
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...sh 12 logo <ref>[https://stockfishchess.org/ Stockfish - Open Source Chess Engine], The Stockfish 12 icon was designed by [http://iamkle.in/ Klein Maetschke]
...kfish also referred another famous "little fish", the then strongest chess engine [[Rybka]]. In 2011, Marco Costalba and Joona Kiiski stepped down as Stockfi
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* [[Online Engine Blitz Tourneys]]
* [[Engine Rating Lists]]
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...s website ''schachkomet.de'', and is author of the [[UCI]] compliant chess engine [[AliChess]] <ref>[https://web.archive.org/web/20130818145144/http://wbec-r
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...PL engine (eg. Stockfish) ?] by [[Robert Hyatt]], [[CCC]], June 02, 2020 (Engine Origins requires registration)</ref>.
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...roject <ref>[https://github.com/gcp/leela-zero GitHub - gcp/leela-zero: Go engine with no human-provided knowledge, modeled after the AlphaGo Zero paper]</re
...cutto]], [[CCC]], August 03, 2018</ref>. This executable, the actual chess engine, performs the [[Monte-Carlo Tree Search|MCTS]] and reads the self-taught [[
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...deepening]] framework. Minimax has been converted to a [[WinBoard]] chess engine by [[Thomas McBurney]] in 2003 <ref>[http://web.archive.org/web/20160313043
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75426 Another XBoard engine derived from Minimax Basic] by [[Roland Chastain]], [[CCC]], October 18, 20
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...ess'', code samples given from Reul's [[Loop (Program)#32bit|Loop Leiden]] engine <ref>[[Fritz Reul]] ('''2009'''). ''New Architectures in Computer Chess''.
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* [[CPW-Engine]], the didactical 0x88 chess engine
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| [[IBM]] [https://en.wikipedia.org/wiki/RS/6000 RS/6000] and 14 chess engine processors
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...al]] ('''1999'''). ''The 9th World Computer-Chess Championship: the Search-Engine Features of the Programs''. [[ICGA Journal|ICCA Journal]], Vol. 22, No. 3</
...al]] ('''1999'''). ''The 9th World Computer-Chess Championship: the Search-Engine Features of the Programs''. [[ICGA Journal#22_3|ICCA Journal, Vol. 22, No.
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...titions|threefold repetition]], still high plus score. Johannes, while his engine had a zero score, and the external GUI a "Threefold repetition" Infobox pop
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...Wegner]], [[Anthony Cozzie]] <ref>[http://www.acoz.net/zappa/ Zappa Chess Engine]</ref>
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...happily sacrificed the knight with 61... Nxb7, winning the game due to a [[Engine Testing#bugs|bug]]. A winning score was given, applying the [[Rule of the S
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...Chess Champion'', third placed [[Shredder]] was the best single processor engine awarded with the title ''Single-CPU World Microcomputer Chess Champion'', w
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! Engine
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Apparently due to a [[Engine Testing#bugs|bug]], Coko III found other moves better than mate in one and
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...[https://en.wikipedia.org/wiki/Standard_streams standard input] inside an engine.
...hp?t=64441 Core behaviour] by [[Ed Schroder]], [[CCC]], June 28, 2017 » [[Engine Testing]]
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...hp?t=64441 Core behaviour] by [[Ed Schroder]], [[CCC]], June 28, 2017 » [[Engine Testing]]
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...dnoble.com/Ai-Game-Engine-Programming/Brian-Schwab/e/9781584505723 AI Game Engine Programming]''. Second Edition, [http://www.amazon.com/dp/1584505729 amazon
76 KB (10,439 words) - 14:01, 10 August 2023
...e_Noughts_and_Crosses_Engine MENACE] (Machine Educable Noughts And Crosses Engine) demonstrated the basic principle of a [[Reinforcement Learning|self-reinfo
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...author of the [[UCI]] compabtile [[:Category:Open Source|open source chess engine]] [[Hakkapeliitta]], of ''QSimulator'', a [[Cpp|C++11]] program created wit
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...ing|general game playing]] programs, or simply in randomizing or weakening engine play.
...kchess.com/forum/viewtopic.php?t=55011 How to dumb down/weaken/humanize an engine algorithmically?] by [[Dominik Klein]], [[CCC]], January 18, 2015
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...al]] ('''1999'''). ''The 9th World Computer-Chess Championship: the Search-Engine Features of the Programs''. [[ICGA Journal#22_3|ICCA Journal, Vol. 22, No.
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...-%E2%80%9Ceasy%E2%80%9D-engine-for-the-fritzrybka-interface/ An “easy” engine for the Fritz/Rybka interface] by [[Steve Lopez]], [http://uscfsales.wordpr
...-%E2%80%9Ceasy%E2%80%9D-engine-for-the-fritzrybka-interface/ An “easy” engine for the Fritz/Rybka interface] by [[Steve Lopez]], [http://uscfsales.wordpr
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...e/spotlight/spotlight2.asp?id=15 Anmerkungen zur Programmierung der Turing-Engine] by [[Mathias Feist]], [[ChessBase|ChessBase Spotlights]] (German, with ori
...e/spotlight/spotlight2.asp?id=15 Anmerkungen zur Programmierung der Turing-Engine] by [[Mathias Feist]], [[ChessBase|ChessBase Spotlights]] (German, with ori
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...South_Africa South Africa] - [https://en.wikipedia.org/wiki/Engine_tuning Engine tuning from Wikipedia]</ref> ]]
...th the aim to improve the [[Playing Strength|playing strength]] of a chess engine or game playing program. Evaluation tuning can be applied by [[Automated Tu
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...positions within the [[Opening Book|opening book]] and positions where the engine found a [[Score#MateScores|mate score]] during the game. This typically giv
...all of integer type with finite range (which they typically are in a chess engine), the local search method is guaranteed to eventually terminate since there
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...f> : Tony Scherzer, ''SYS-10 Inc.'', Hoffman Estates, Illinois, Bebe Chess Engine, 7 [https://en.wikipedia.org/wiki/Million_instructions_per_second#Million_i
...f> : Tony Scherzer, ''SYS-20 Inc.'', Hoffman Estates, Illinois, Bebe Chess Engine 20K Nodes/Sec
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...s-computer-chess-engine-philidor-mkv-mk-vi David Broughtons computer chess Engine Philidor / MKV / MK VI] by [[Thorsten Czub|Mclane]], [[Computer Chess Forum
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* [https://github.com/zamar/spsa SPSA Tuner for Stockfish Chess Engine] by [[Joona Kiiski]] » [[Stockfish]]
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...Jákó]] <ref>[http://www.hun-digital.hu/merlin/index_en.html Merlin Chess Engine]</ref>
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...s Reports 1985]], Vol. 3, No. 2 » [[Phoenix]], [[Super Constellation]], [[Engine Testing|Testing]]
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[[XiniX]] was not able to mate [[Ant]] with three queens due to a [[Engine Testing#bugs|bug]] with overlapping [[Score#ValueRange|score range]] of [[S
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