Questions tagged [castling]

Questions relating to castling

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Castling variant rule?

In chess, the king can't castle if it or the 'castling' rook had moved. How would the basic strategy of the game change if the king could castle after moving, same condition for a rook? Also, how ...
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3answers
2k views

Is castling possible with a pawn promoted to a rook?

I was thinking about some rules and I came up with a really nice question. Is it possible to castle with a pawn promoted to a rook? If the rules are followed-neither the king or the new rook has ...
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Is it possible to castle with checkmate?

I am new to chess. Please answer this for me: Is it possible to castle with checkmate?
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9answers
10k views

When is castling needed?

I am a rookie in chess. I can't understand why castling is needed. In what scenarios is castling useful?
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2answers
100 views

Compiling Stockfish to disable own castling while allowing opponent castling

For artistic purposes, I would like to create and study engine games in which only one side is able to castle. For this, I need to compile a version of Stockfish which never castles, and doesn't ...
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2answers
4k views

Does a loophole still exist in the defintion of castling?

Castling on the e-file with a promoted rook, an idea immortalized by Tim Krabbe and Max Pam, is no longer legal since FIDE amended the wording to state that castling is an actionn on the first/eigth ...
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1answer
102 views

Trapped Rooks: Does Stockfish penalize more if the king can't castle temporarily?

In this talkchess thread, they discuss trapped rooks and castling rights. In post #5, user @Lyudmil Tsvetkov posted: I would give at least some 10-15cps for temporary prevention of castling. Here is ...
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3answers
802 views

Using the king to prevent castling

What is a more difficult problem which involves using the king to prevent castling than the following problem? White to play and win: [FEN "r3k3/5p2/2K2P1P/b1N1P2P/8/8/4n3/8 w q - 0 1"]
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7answers
17k views

When is castling possible?

Is castling possible if any of the squares involved in the castling are under attack, or is this a problem only if the squares moved through by the king are under attack and not the ones moved through ...
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6answers
893 views

Rules: How does right to castle and en passant get considered for the purpose of calculating a threefold repetition?

I'm writing a chess app, and have some questions regarding the intricacies of the threefold repetition rules. As of 2018, the FIDE handbook has this to say about what constitutes identical positions ...
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1answer
44 views

What’s the difference between Partial Retrograde Analysis and Retro Strategy?

What’s the difference between Partial Retrograde Analysis (PRA) and Retro Strategy (RS) which are different ways of interpreting retrograde analysis chess problems?
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1answer
912 views

Does permanent loss of castling rights reset three fold repetition?

Threefold repetition requires that the same "potential for moves". For example, if an en passant move could be played in one position but not another, it does not count as the same position. With ...
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2answers
340 views

chess24 castling rules

Can someone explain to me, why on chess24.com white cannot castle in the situation in the picture? King never moved, neither did either of the rooks. When the queen was moved to d2 castling was not ...
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4answers
1k views

Can it be proven that 11. 0-0-0+ is legal in this position?

Because the chess site this was on takes its puzzles from real games and gives the move numbers, potential solvers knew that the following position was reached after exactly 10 moves by each player. [...
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3answers
426 views

Why is Apronus allowing the white king to castle through an attacked square?

I was using Apronus to make an new chess puzzle for Puzzling Stack Exchange, but then it did something odd. Take a look here: [FEN ""] 1. Nh3 f5 2. e4 fxe4 3. d3 exd3 4. Be2 Kf7 5. Qd2 dxe2 6. O-O ...
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1answer
258 views

Castling in XBoard's edit mode

Probably a stupid question, but I use XBoard with Fairy-Max or GNU Chess. In the edit game mode, or in analysis mode, it is not possible to castle under any circumstances. Is there some setting I am ...
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9answers
39k views

Why is it illegal to castle with both hands?

I was watching the match between Ian Nepomniachtchi vs Hikaru Nakamura and Nakamura used both hands to castle. Why is it illegal to castle using both hands? What's wrong with that?
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1answer
98 views

What is the fastest possible stalemate by castling?

It is known what the fastest stalemate is. But what but is the fastest possbile stalemate in which castling must be the last move? 33 ply is my best result so far. [FEN ""] 1. e4 h5 2. Qxh5 d6 3. ...
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2answers
247 views

What are the fastest horizontal checkmate for both castlings?

Horizontal: wherein the rook attacks down a rank. I wish to know the fastest possible castling checkmates, for both queenside and kingside, that are a horizontal one See my question about vertical ...
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3answers
257 views

What are the fastest vertical checkmates for both castlings?

Vertical: wherein the rook attacks down a file. I wish to know the fastest possible castling checkmates, for both queenside and kingside, that are a vertical one. See my question about horizontal ...
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2answers
183 views

Is castling good in Chess960?

The overall arrangement of the pieces in Chess960 seems so weird that I have a question about it Should be castling at all?
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3answers
392 views

How should one decide which rook to put on a central file? [duplicate]

How should one decide which rook to put on a central file? I usually just move the one which is closer to the file, unless there are weak squares in my position that one rook is defending. In ...
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7answers
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How important is castling? How much is it worth?

Are there some statistical values for the worth of castling? Are there some numbers, for example in centipawn that can represent the value of castling?
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1answer
208 views

Castling Rules-Does “The king & rook must be on the same rank.”=“Only original rooks can do castling.”?

According to Wikipedia, one of the conditions of castling is: The king and the rook must be on the same rank (Schiller 2003:19). This is because of a loophole that would occur otherwise: ...
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1answer
70 views

What's the plan against Black's kingside fianchetto when playing Queen's pawn game?

I often play 1. d4. In many of the variations that arise, Black decides to castle kingside with the bishop fianchetto. I do not know what the general plan is in this case. Normally without the ...
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3answers
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How did castling originate?

Castling to me has always seemed like such a huge leap in terms of game play that I've always wondered how it came to be. Does anyone know the history behind how and why castling came to be?
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1answer
128 views

What effects would being able to capture while castling have?

Capturing an enemy piece while castling has been illegal for many decades, and the concept has been solidified in chess history. But what effects would it have if it were allowed? First, some ground ...
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2answers
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Prove that white is not allowed to castle here

A friend recently gave me the following weird chess problem to solve, and I'm afraid I'm struggling to see the key ideas, that would ultimately count as proof. From the position, intuitively speaking ...
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2answers
31k views

Why is castling king-side more encouraged than castling queen-side?

I often hear that you should castle king-side first rather than queen-side. What are the advantages of castling king-side as opposed to queen-side. Sometimes I like castling queen-side because when I ...
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2answers
129 views

Castling question [duplicate]

It is my understanding that a castling move cannot occur if the king / rook moved. However, in the case where a rook and king move but end up in their original spots, can a castling move occur?
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8answers
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What should I do about the dilemma of castling early?

OK, it has been said that one of the opening fundamentals is to castle early, but I have a dilemma with this and it may very well be a natural dilemma that has to be dealt with or there many be signs ...
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4answers
427 views

Threefold repetition in view of castling rights

In view of castling rights, an aspiring rules lawyer could ask: when does threefold repetition support a draw claim? Technical example: [fen ""] [title "Illustration of castling rights"] [startply "...
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2answers
549 views

What would chess openings be like without castling and/or the double pawn move?

Chess has a fairly elegant set of rules, but it has two rather ugly "rules hacks" in it: Pawns can move two squares forward, but only on their first move, and have the rather ugly rule of en passant ...
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2answers
238 views

Professional match where neither player castles?

Are there any professional matches from serious players where neither player castles during the course of the game?
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5answers
643 views

How should I have decided which side to attack on?

I played black and was a pawn up. My plan was to castle on the opposite side from white's king, then use my majority on that side to pawn storm him. So on the turn shown below, I was about to castle ...
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4answers
5k views

Why is it a good idea to fianchetto above the castled King? If I do that, should I make sure to leave the Bishop there for a while to guard the hole?

I understand why fianchettoing can be helpful, even deadly to an opponent, but should it really be done on the side which the King castles into? I realize that the King's Indian Defense/Attack ...
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8answers
10k views

What are pros and cons around banning castling?

Vladimir Kramnik has proposed on chess.com that castling be banned for the good of the game. What are the kinds of objective points that might be made for & against this idea? Based on these, do ...
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Is opposite-side castling an advantage?

I am a methodical chess player (https://www.chess.com/forum/view/chess-players/types-of-chess-players) and I tend to work things out as I go along. I don't know any openings and tend to improvise the ...
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3answers
175 views

About castling “fights”

Today I played as White in an interesting bullet game in which a strange “fight” occurred. [FEN ""] 1. d4 e6 2. Nf3 b6 3. e4 Bb7 4. Bd3 g6 5. Be3 Bg7 6. Nc3 Qe7 7. Qd2 Nc6 8. a3 a5 9. h3 h5 10. Qe2 ...
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4answers
981 views

Official rules for castling in Chess960? (Is there a loophole?)

Note: this is another rules-lawyering question. I first ask for an official source I am calling into question the phrasing of the rules. Then I consider a few plausibly official sources, and point ...
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3answers
538 views

Castling during the endgame

Are there any famous games where castling occurred during the endgame?
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1answer
158 views

When should you trade to prevent castling?

The main question I have is about a game I played. What do I need to know about how to take a piece so that my opponent's king can no longer castle? In the following game, I played Bxd2+ to do so. ...
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5answers
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How can you castle legally in Chess960 when the castling rook is on the king's destination square?

According to the FIDE Laws of Chess: 4.4 If a player having the move: 4.4.1 touches his king and a rook he must castle on that side if it is legal to do so 4.4.2 deliberately touches a rook and ...
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1answer
240 views

Minimal number of moves before castling in 960 chess

As you know, in chess 960, in the initial position, the king lies between the two rooks. Here are also the rules for castling. The question is: For a starting position position P, let n(P) be the ...
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5answers
614 views

Castling, is it necessary to take it?

I've got a simple question, that I'm having difficulty finding an answer for... If it is possible to castle (I know the conditions for it), and I decide to move the king to the square where it would ...
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0answers
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FIDE threefold repetition and possible moves [closed]

FIDE rules section 9.2 says: Positions are considered the same if and only if the same player has the move, pieces of the same kind and colour occupy the same squares and the possible moves of ...
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2answers
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When is it legal to castle moving the rook first?

As a follow on from the question Is it legal to castle with a "ghost" rook: When is it legal (according to the FIDE Laws of Chess) to castle moving the rook first?
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1answer
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How to castle two times in a game

A simple question: Assuming that I'm playing as White, how can I castle twice in a game? I've asked myself this question after seeing the following game from Tim Krabbe's chess records "Greatest ...
3
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1answer
108 views

Is it valid according the FIDE chess rule? [duplicate]

From FIDE Law of Chess, article 3.8, it is stated as: Now, coming to My game vs killin_pieces on lichess.org : After move 9, situation was something like this: b1 was threatened by my opponent's ...
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1answer
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Is short castling dangerous in Bughouse?

When I play Bughouse, I see that, every single time after a castling, petty sacrifices can easily be break the wall that surrounds the king,Therefore, is it really worth castling, especially short ...