Questions tagged [rules]

Questions relating to the rules of chess

Filter by
Sorted by
Tagged with
1 vote
2 answers
114 views

Rules of Checkmate [duplicate]

I’ve attached a picture of the board configuration of an end game. Black wins this game by checkmate, however, I’m wondering how this is valid checkmate? To my understanding, checkmate occurs when a ...
1 vote
2 answers
1k views

Meaning of the phrase "the same player has the move"

What is the meaning of the phrase "the same player has the move" in the sentence below "Two positions are by definition "the same" if the same types of pieces occupy the same ...
10 votes
4 answers
4k views

Can I move a piece somewhere else if I left it but didn't press the clock?

Can I move a piece somewhere else if I left it but didn't press the clock? Suppose I touch my queen and then move my queen, keeping it on a square, and take my hand off. Then, before I press the clock,...
0 votes
1 answer
147 views

Pawn went forward, capturing pawn that stayed parallel. Chess.com bug?

I decided to play a game against a real player in chess.com app. I played black. At some point of the game I had a pawn on f5 and white had a pawn on e5. White captured my f5 pawn with the e5 pawn by ...
15 votes
1 answer
4k views

Who makes the rules of chess?

We all know the rules we play competitive chess under. They are the FIDE Laws of Chess. Our individual federations in different countries may tweak the parts of the rules they're allowed to tweak (the ...
3 votes
1 answer
1k views

Actual cases of a "frivolous draw offer"

Having been inspired by a recent question here, here is another. FIDE §E11.5 prohibits "unreasonable offers of a draw". Some specific cases which might get frowned upon by your opponent, ...
7 votes
1 answer
453 views

What is the criterion for a chess set to be used in FIDE tournaments?

For example, a Harry Potter based chess set will never be used in a FIDE tournament. But that got me thinking: is there a specific set of rules/ criteria for a chess set to be used in a FIDE ...
8 votes
4 answers
715 views

Formal rules for two-player bughouse without a clock

I would like to know what are the formal rules for two-player bughouse without a clock. I'd like to think of each team as a single player. It seems to me that bughouse chess works primarily because of ...
6 votes
2 answers
2k views

Insufficient material rule [closed]

As I understand chess rules, insufficient material means K vs. K, K vs. KB, or K vs. KN. (Correct me if I am wrong.) But what about KB vs. KB when both bishops are in the same colored square? Am I ...
88 votes
7 answers
25k 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 ...
9 votes
1 answer
3k views

Can I use the restroom while it's my turn to play?

It's currently my turn and I really need to use the bathroom. I know I'm allowed to when it's my opponent's turn, but now it's not. I don't want to be accused of cheating, but I also want to play my ...
24 votes
9 answers
17k views

Is rotating a pawn so that it faces a different direction and then moves in that direction technically permitted according to the 2018 FIDE Laws?

While browsing the Chess and Puzzling Stack Exchange sites, I've come across several instances where people have found loopholes in the rules of chess, causing these loopholes to be patched out ...
12 votes
1 answer
4k views

How can I let my opponent know that I'm touching a piece to adjust it?

Everyone knows the touch-move rule, which states that: If a player deliberately touches a piece on the board when it is their turn to move, then they must move or capture that piece if it is legal to ...
10 votes
3 answers
2k views

What inspired the touch move rule?

This is the touch move rule: If a player deliberately touches a piece on the board when it is their turn to move, then they must move or capture that piece if it is legal to do so. Where did this ...
-1 votes
2 answers
162 views

Could FIDE make a rule allowing for a visual announcement of check and checkmate?

Using verbal methods in announcing check and checkmate in tournaments is, for the arbiters, the players etc, unpleasant. But, on the other hand, prohibiting any means for an announcement is annoying ...
1 vote
0 answers
217 views

Why are seconds per move time controls unpopular in chess? [closed]

When playing the game of go online, a common time control setting is for players to have X (e.g., 10, 20, or 30) seconds per move, with the clock simply resetting after each move. (There are ...
21 votes
1 answer
3k views

Is there a "touch-promote" rule?

When a pawn is moved to the promotion square, can one change one's mind about what piece to promote to? Say I: Push a pawn to the promotion square Remove it Grab an additional queen (do not yet place ...
15 votes
2 answers
4k views

How does one promote a third queen in an over-the-board game?

Most chess sets come with only one spare queen, and according to the video in the question Is holding the opponent's captured pieces legal or allowed?, one cannot use an upside-down rook because ...
0 votes
1 answer
149 views

In promoting a pawn, if the pawn can be taken immediately on promotion, can I promote another piece, eg. Turn a rook upside down already on the board

Does a promoted piece have to go on the square the pawn has moved on or can I promote by turning my rook upside down on its existing square
4 votes
1 answer
439 views

What is "Hybrid Chess"?

According to the latest FIDE rating regulations: 2. Laws to be Followed      2.1 Play shall be governed by the FIDE Laws of Chess or the Regulations for Hybrid Chess Competitions So, "hybrid ...
6 votes
1 answer
531 views

Is playing without a clock, with the arbiter adding the clock when the game goes too long, within FIDE rules?

There was a time I joined a tournament where we didn't play with a clock initially. But, if the games went longer than 30 minutes, the arbiter added a 10-minutes clock to both sides. Is this allowed ...
3 votes
1 answer
154 views

Literarily weak knights

When I was young, the knight was sometimes lousy and knights took the cake. It happened more than once that I hammered a knight sacrifice into the rows of my opponent during blitz...the effect being ...
4 votes
1 answer
436 views

History of convention for king & queen placement

As stated in this question, the convention that the player with the lighter-coloured pieces makes the first move was not established until fairly late in the 19th century. Before then, what convention ...
3 votes
6 answers
1k views

Is blocking a check with a check an illegal move?

Say my opponent puts me in check. If I move my queen to block the check and it also puts my opponent in check, is that legal?
7 votes
1 answer
2k views

What will happen if you have a position where no one can lose?

What will happen if you have a position where no one can lose? [fen "5k2/8/1p1p1p2/pBpP1Pp1/P1PpK1P1/1P1Pb3/8/8 b - - 0 1"] Here is my game, I know it is live960 but I was wondering the ...
8 votes
1 answer
361 views

What significant changes are there in the new FIDE rating regulations which come into effect from 1st January 2022?

A new document has appeared on the FIDE website called FIDE Rating Regulations effective from 1 January 2022. What are the significant changes from the previous rating regulations?
8 votes
1 answer
2k views

Rules regarding food and drink during a world championship game

Game 6 in the world championship match between Magnus Carlsen and Ian Nepomniachtchi ran for 7 hours and 45 minutes. Apparently the players did not eat during that time. Chessbase India reports: ...
10 votes
4 answers
5k views

En Passant Checkmate

I made a check with a pawn that was subject to an en passant movement. The check led to a checkmate, but the rules at chess.com didn't count it as a checkmate but let the opponent make his move. He ...
5 votes
2 answers
798 views

What is the need for repetition rules given the 50 & 75 move rules?

Given the existence of the (optional) 50-move rule and the (mandatory) 75-move rule, are the (optional) threefold-repetition rule and the (mandatory) fivefold-repetition strictly necessary? Do the ...
25 votes
1 answer
6k views

What happens if you touch a piece that cannot move?

I heard that in formal games you have to move the piece that you touch first. What if the piece cannot move, as in there are no legal moves that involve that piece? What would happen in that ...
4 votes
4 answers
484 views

Theoretically, is the analysis of the moves more complex if the objective is to be the first to be checkmated?

I have seen variations of other board games or strategy games where the aim is to actually 'lose' the game by forcing your opponents to make moves. Applying this concept to the rules of chess, would ...
13 votes
1 answer
2k views

Can you castle twice in Chess960?

Consider this Chess960 game. (Warning: moving backwards through this replayer will result in an incorrect board state. See Board playback and Chess 960 for details.) [FEN "rnkqbbnr/pppppppp/8/8/8/...
4 votes
1 answer
139 views

Article 12.9.4 Laws of Chess

Article 12.9.4 of FIDE Laws of Chess: increasing the points scored in the game by the opponent to the maximum available for that game Can you give an example of a rule violation penalized under 12.9.4?...
8 votes
1 answer
1k views

Allow piece removal

I'm wondering about a chess variant I thought of: it's just like chess except that a player may, in lieu of (or as) a move, remove any of his own pieces (except the King) from the board. (This is ...
5 votes
1 answer
3k views

There is neither checkmate nor stalemate, so why did black win?

I'm programming chess in python for my cs class and I'm doing some testing using chess.com. However, I'm confused as to why this game (and several others) seem to prematurely come to an end? AFAIK the ...
13 votes
7 answers
4k views

What is the point of time increments?

I am having difficulty understanding the purpose of increments in time control. What is the point? If it just adds more time to the game, why not simply make the game that much longer? I am aware that ...
5 votes
2 answers
1k views

Is castling legal in this position? [duplicate]

Black's to move in a game I just played. My rival and I were wondering about castling. Exactly: White bishop in D6 threatens B8. Is legal for black to make long (queen) castle? (Black king and rooks ...
17 votes
4 answers
8k views

Is it legal to take a piece to the bathroom during a tournament?

If a player grabs a piece to move it, and before placing it in its new position, the player gets second thoughts about the best position for the piece, and so they decide to think a little bit more. ...
3 votes
3 answers
488 views

Stretching the tournament rules, re: capturing pieces

Building on this question about tournament etiquette: What is the etiquette (or tournament rule) for the act of capturing a piece? Suppose I want to capture a piece but am not sure which of my pieces ...
5 votes
1 answer
450 views

When can a player with just a bishop/knight vs overwhelming material claim a win on time?

Is there any program or algorithm that determines conclusively whether or not a person at severe material disadvantage can claim a win on time? This question got me thinking about precise parameters ...
0 votes
1 answer
205 views

What constitutes a draw?

I know what makes a game a stalemate, and I know that stalemate is 1/2 point to everyone, and I assume draw is the same, but can there be a draw without a stalemate?
3 votes
3 answers
1k views

Do any national chess bodies not strictly follow FIDE rules?

There are some subtle differences in the rules of chess used in different un/rated competitions. For example, chess.com never considers King + Bishop sufficient mating material (specific example here)....
12 votes
4 answers
1k views

Rules: Is this position a draw?

Is this position a draw? [FEN ""] 1. Nf3 Nf6 2. Ng1 Ng8 3. Nf3 Nf6 4. Ng1 Ng8 I don't mean to ask the age-old question "Is chess a draw?"; four moves have been played here, returning to the starting ...
3 votes
5 answers
838 views

Why is the definition of check not circular?

If you want to determine whether a player is in check I think you would: 1.1) determine every legal move of the opposition; 1.2.) determine whether such a move threatens our king (i.e. could 'take' ...
0 votes
2 answers
164 views

Why do receive higher ranked players a downfloat in fide swiss pairing?

I am trying to grok the fide specification of the swiss pairing algorithm, having a hard time with that. For example rule A.4.b reads: A4 [...] b After two players with different scores have played ...
17 votes
6 answers
5k views

What is the etiquette (or tournament rule) for the act of capturing a piece?

There are a few different possible ways of capturing an opponent's piece. You could: Pick up both your piece and their piece simultaneously with both hands, then set your piece down where their piece ...
-1 votes
1 answer
305 views

A Swiss nightmare

Inspired by a recent question, here a fantasy: The Superduperquantumcomputer "Deep Ponder" has cracked Chess. Assume a 9 round Swiss tournament with 2^9 players, White always wins. Will the ...
12 votes
1 answer
2k views

FIDE Laws: what exactly does 'colours reversed' in 7.3 mean?

Article 7.3 of the FIDE Laws reads: If a game has started with colours reversed then, if less than 10 moves have been made by both players, it shall be discontinued and a new game played with the ...
10 votes
1 answer
547 views

Taking notes of time usage during game [duplicate]

While I know taking making any notes during a game is against the rules (and Wesley So was disqualified for this), does this include denoting the time usage after each move?
7 votes
6 answers
1k views

What ambiguities remain in the laws of chess?

Let an ambiguous rule be defined to be a rule experienced, reasonable, well-informed opponents are unsure how to interpret in a circumstance (however unlikely the circumstance may be) that can ...

1 2 3
4
5
13