Questions tagged [castling]

Questions relating to castling

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79
votes
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?
72
votes
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 ...
41
votes
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 ...
27
votes
8answers
4k views

Is preventing an opponent from castling considered an advantage?

All else being equal, if you have forced your opponent to move their king, thus preventing castling, would that be considered an advantage?
27
votes
2answers
6k views

How often does castling occur in grandmaster games?

May I know how to find in all grandmaster games, what the percentage of each of the following is? Kingside castling Queenside castling Never castled by the end of the game but still has the right to ...
26
votes
4answers
6k views

Should a chess engine be aware of opposite-side castling?

I often hear chess experts and chess articles say that when opposite side castling occurs on the board that it is important to launch an attack on the enemy player as fast as possible. Up to the point ...
23
votes
8answers
2k views

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 ...
23
votes
2answers
32k 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 ...
22
votes
4answers
29k views

Why is castling through and out of check prohibited?

Why is castling disallowed when the king is in check or when the square the rook will be placed on is under attack? What is the rationale behind this ruling?
21
votes
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?
20
votes
3answers
6k views

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?
19
votes
2answers
7k views

Why can't the king castle in this position?

In a video I'm watching (requires register), with this setup, the instructor says The king cannot escape, he cannot castle king side or queen side, because of the white's pressure on e7 [...]. ...
19
votes
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 ...
19
votes
2answers
2k views

To what extent should you prevent your opponent from castling?

I normally try to prevent my opponent from castling if possible, by forcing their king to move or keeping an attacking piece on a diagonal or file. I tend to make this a priority, giving up the ...
18
votes
5answers
4k views

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 ...
18
votes
2answers
3k views

Prove that White is not allowed to castle here

A friend recently gave me the following weird chess problem to solve. I'm afraid that I'm struggling to see the key idea that would ultimately count as proof. From the position, intuitively speaking, ...
17
votes
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. [...
17
votes
3answers
769 views

Willingly giving up castling rights in the opening?

[fen ""] 1. d4 Nf6 2. c4 d6 3. Nc3 e5 I've seen the Ukrainian/Old Indian Defence played in several GM games before 1970, and was wondering what black gained from willingly giving up castling rights ...
14
votes
2answers
5k views

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?
13
votes
3answers
897 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"]
12
votes
4answers
1k views

Why is it common to castle right after the opponent castles?

After watching many chess games, I've noticed that many players castle right after their opponent castles. Is this a coincidence? Or is there an unspoken benefit of this? Edit: And by right after I ...
12
votes
1answer
736 views

Draws, castling rights, and the FIDE's 2014 rulebook revision

A question of rulebook pedantry: Effective July 2014, the FIDE has revised its Laws of Chess. As you know, the Laws have long allowed a player to claim a draw by repetition. The July 2014 Laws, ...
10
votes
2answers
2k views

How do you castle in one smooth motion?

One time I saw GM Gawain Jones playing a blitz game where he castled by placing one hand on his King and Rook. With a quick twist, the pieces were in the castled position. It happened so quickly, I ...
9
votes
5answers
9k views

Is it possible to castle with checkmate?

I am new to chess. Please answer this for me: Is it possible to castle with checkmate?
9
votes
1answer
4k views

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 ...
9
votes
3answers
584 views

Why does not castling reset 50 moves rule?

Capturing a piece or moving a pawn irreversibly changes the state of the game and thus resets the counter for 50 Moves Rule. Since castling and first rook move irreversible changes state of the game ...
8
votes
6answers
927 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 ...
8
votes
7answers
1k views

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?
8
votes
3answers
1k views

Why is castling seen as making the king so safe?

I'm an amateur chess player. I was reading an article about how f7 is such a vulnerable square and how castling makes the king safe and attacks on F7 no longer worrisome. But looking at it, I am ...
8
votes
3answers
543 views

Castling during the endgame

Are there any famous games where castling occurred during the endgame?
8
votes
1answer
920 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 ...
8
votes
2answers
133 views

Short castle in Trompowsky

In recent 1st Match between Maguns & Karjakin, started with Trompowsky. How can Karjakin prefer catsle even g file is open ( g × f6 at 3rd move ). Whats idea behind it?
7
votes
4answers
432 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 "...
7
votes
4answers
3k views

Which side should I castle if I have opportunity to castle on both sides?

It's a little bit confusing for me to make good decisions when I have opportunity to castle on both sides. Can somebody explain what are the factors should be considered if we have opportunity to ...
7
votes
2answers
833 views

Playing Kb1(b8) immediately after O-O-O

I'm curious about this move duo. I see this quite a bit, and I'm trying to figure out under which conditions that playing Kb1(b8) is normally preferred. In some openings, such as the Sicilian Dragon,...
7
votes
5answers
2k views

When to decide King or Queen side castling?

How do you decide to castle on king side or on queen side? i know king side is castling is the quicker than queen side with just 4 steps. Does queen side castling favours more on attack, than ...
7
votes
1answer
956 views

Question on FEN and castling

I was reading about FEN notation, and noticed the following line in the relevant Wikipedia article: If neither side can castle, this is "-". Otherwise, this has one or more letters: "K" (White can ...
7
votes
1answer
921 views

Castling in the French Defense?

How do you decide which way to castle? It seems castling kingside can be dangerous because of white's extra kingside space he often gets in the French Defense. Also most of my pieces are naturally on ...
7
votes
0answers
170 views

What is Indian Castling exactly?

Western castling doesn’t exist in historical Indian Chess (Chaturanga). Instead, in some versions, there is a cool move whereby each king can once in the game make a knight's move. I read that it is ...
6
votes
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 ...
6
votes
4answers
1k 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 ...
6
votes
1answer
605 views

Castling rule clarification

A quote from Wikipedia for castling rule: the squares between the king and the rook involved are unoccupied What if the squares are not occupied at this instance but an opponent piece was there ...
6
votes
3answers
1k views

Castling long in Sicilians (for black)

When/Why does black do it? What kind of strategies should both sides adopt in such games? What kinds of games does it give rise to (i.e. positional or tactical)? Which players are well known ...
6
votes
2answers
133 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?
6
votes
2answers
597 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 ...
5
votes
5answers
4k views

Did Bobby Fischer castle with a pawn promoted to a rook?

I once heard that Bobby Fischer pawn promoted to a rook, and then on a subsequent move, castled with that rook. I have been searching for the move history of this game, if it really did happen, but I ...
5
votes
3answers
398 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 ...
5
votes
3answers
438 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 ...
5
votes
1answer
931 views

Castling long in the King's Indian Defence (for white)

When does white do it? Why does white do it? What kind of strategies should both sides adopt in such games? What kinds of games does it give rise to (i.e. positional or tactical)? Which players are ...
5
votes
2answers
187 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?