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'''[[Main Page|Home]] * [[Chess]] * [[Moves]] * Castling'''
[[FILE:castling-marina-kalinovsky.jpg|border|right|thumb|link=https://fineartamerica.com/featured/castling-marina-kalinovsky.html|[[Arts#:Category:Marina Kalinovsky|Marina Kalinovsky]], - Castling <ref>[https://fineartamerica.com/featured/castling-marina-kalinovsky.html Castling by Marina Kalinovsky, Artwork for Sale - Brooklyn, NY - United States]</ref> ]]
'''Castling''' is a composite [[Moves|move]] of [[King]] and [[Rook]] at the same time. In standard chess it consists of moving a king two squares towards the rook and executing a jump of a rook over the king.
=Rules=
The prequisites for doing it are as follows:
* the king and the relevant rook must not be moved, considered as [[Castling rightsRights|castling rights]] inside a [[Chess Position|chess position]]
* the king must not be in check
* no square between king's start and final square may be controlled by the enemy
=Irreversibility=
While castling is [[Irreversible Moves|irreversible]] with respect to the [[Castling Rights|castling rights]] and resets the position index to determine [[Repetitions#RepetitionOfPositions|repetition of positions]], castling doesn't reset, but increments the [[Halfmove Clock|halfmove clock]] concerning the [[Fifty-move Rule|fifty-move rule]] <ref>[http://www.open-chess.org/viewtopic.php?f=3&t=2209 Half Move Clock Confusion] by HumbleProgrammer, [[Computer Chess Forums|OpenChess Forum]], January 10, 2013</ref> <ref>[http://www.horst-wandersleben.de/Wette.htm Computerschach - Eine Wette, die ich gerne verloren habe] by [[Horst Wandersleben]]</ref>.
=Chess960=
In [[Chess960]] castling is a move reaching the position just like after standard chess castling, which may be achieved by (a) moving the king to c1 or g1 ant then executing a jump by relevant rook (b) jumping with the rook over a king already placed on c1 or g1 (c) interchanging the positions of king and rook <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=50635 0x88 FRC castle questions] by [[Daniel Uranga]], [[Computer Chess Forums|Winboard Forum]], December 12, 2009</ref>.
=Shogi=
=See also=
* [[Algebraic Chess Notation#Castling|Algebraic Chess Notation - Castling]]
* [[Castling rightsRights]]
* [[King Safety]]
* [[Novag Micro Chess#CastlingBug|Novag Micro Chess - Castling bug]], [[CPWTIPC 1981]]
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=6072 Castling legality check] by [[Mark Lefler|mjlef]], [[Computer Chess Forums|Winboard Forum]], January 04, 2007
* [http://www.talkchess.com/forum/viewtopic.php?t=25096 Saving castling states and en passant history] by Eric Lang, [[CCC]], November 27, 2008 » [[En passant]]
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=50635 0x88 FRC castle questions] by [[Daniel Uranga]], [[Computer Chess Forums|Winboard Forum]], December 12, 2009 » [[Chess960]]
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=38963 Castling legality check] by [[Stef Luijten]], [[CCC]], May 03, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=51988 Abundance of castling vs en passant rights] by [[Kirill Kryukov]], [[CCC]], April 14, 2014 » [[En passant]]
* [http://www.talkchess.com/forum/viewtopic.php?t=61014 Castling Evaluation] by [[Dennis Sceviour]], [[CCC]], August 02, 2016 » [[King Safety]]
==2020 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=80504 How much is castling worth?] by [[Michael J Sherwin]], [[CCC]], August 20, 2022
=External Links=
* [https://en.wikipedia.org/wiki/Castling Castling from Wikipedia]
: [https://en.wikipedia.org/wiki/Artificial_castling Artificial castling from Wikipedia]
* [http://www.horst-wandersleben.de/Wette.htm Computerschach - Eine Wette, die ich gerne verloren habe] by [[Horst Wandersleben]] (German) » [[Fifty-move Rule]] <ref>[[Dieter Bürßner]] found a game finished in a [[Fifty-move Rule|fifty-move rule]] draw, where [[Castling|castling]] occurred during the last fifty moves</ref>
=References=
<references />
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[[Category:Marina Kalinovsky]]
