Questions tagged [rules]
Questions relating to the rules of chess
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Can a king capture a piece that is protected by another piece even if that piece is pinned to its own king? [duplicate]
I was doing a Chess puzzle that I don't understand. The puzzle starts with pieces at locations as follows:
Black King E1
Black Pawn E2
Black Rook D1
White King E4
White Rook E6
The puzzle then moves ...
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Is wearing headphones during chess games against the rules in FIDE and Chess.com?
Recently Vladimir Kramnik accused Hikaru Nakamura of cheating in online chess. He Tweeted : "It is impossible to imagine a player to be allowed to wear headphones during a game of chess." Or ...
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Rules of Baroque chess
I want to do an AI project in implementing a Chess agent, so can anyone please let me know the Rules of Baroque chess.
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How early can you resign a game?
Imagine a situation where you are playing in a FIDE-rated tournament.
You're at the board but for some reason you don't want to play anymore.
Can you resign the game before it even starts, or can you ...
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Does Fide/Elo rating fade over time?
Let's imagine I am a super genius, and I get a ELO ranking of 3000. And then suddenly I stop playing chess, what happens to my rating then over time? Does it slowly decrease by NOT playing?
This is ...
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Can one make a deal with their opponent over what opening to play?
In official tournaments, are the two players allowed to talk (before or at the start) of a match to compromise on openings, eg.
If white is good at the Sicilian but bad at the Caro-Kann and black is ...
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How would this position be scored if you ran out of time here?
Here is the position (black has just played Qf8, the only legal move after White's Re8+):
[FEN "2nKRq1k/6pp/8/3n4/6b1/8/8/8 w - - 0 1"]
In this position white has a forced mate in one, in ...
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Is it legal, after touching a piece to move other pieces for the purpose of visualization
Imagine the following scenario:
I am playing as white and on my first move I:
Touch my b1 knight without moving it or pressing the clock
Move one of my opponents pieces
Move one of my pieces (...
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Promote a piece to queen by moving back aside of king?
As I was trying out different chess applications I received a hint from the Lucas Chess virtual tutor, showing me I had a better option:
Move piece C2 to C1. When I did that, the piece promoted to ...
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"Premove" in OTB game
Lately, a player of mine caused a minor kerfuffle by his habit of touching a piece to counter blitz even when the opponent had not finished the move.
Interestingly, I found nothing in the rules (...
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Official knight move rule definition
Not a trivial question: How would you define the knight move rule on a d-dimensional chessboard (say an 8 X 8 X ... X 8 board) by extending the official knight move rule that states how a knight moves ...
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My FIDE Initial Rating Calculation Problem
I’m working on path to get my initial FIDE rating. I joined 8 local FIDE rated tournaments with result as follow.
Rating = Result
Rapid Ratings November 2022
1083 = 0
Rapid Ratings March 2023
1142 =...
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How do arbiters handle touch move complains where players deny?
So, two cases. Player A (A) and Player B (B)
Case 1
B touches a piece. A sees it. B plays something else. A complains to arbiter that B didn't play the touched piece. Arbiter didn't see that B ...
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Can Rook pawn still get win when opponent clock run out?
White has Rook pawn and King vs Black king just jumping from corner and back. But the game played on clock and black king clock run out. White avoided threefold and stalemate and moved his king to ...
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Is it ethical to take a draw in a winning position, if a draw is good enough?
Follow-up question to Is it ethical to take a zero-moves draw in the last round of a tournament if one is already assured of first place? I'm concentrating on this particular scenario from that ...
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Who has the edge in "gg chess"?
EDIT: I think a better name is gg chess, because "gg" (good game) is what folks frequently say at the end of a game.
At major chess events, at the end of a drawn game, the players & ...
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Minimum break between rounds
I am an assistant arbiter in an open tournament which is happening over the weekend, with 1 round on Friday, and 2 rounds on Saturday and Sunday.
There were 5.5 hours between the two rounds on ...
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Question on FIDE Rating List Submission
I am playing in a tournament on the 19th-20th of this month and I have a question regarding FIDE rating change for the end of the month when the new list is published.
I have done very well in some ...
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FIDE and USCF: If an arbiter is watching a chess game and observes that a rule has been violated, should the arbiter intervene?
FIDE and USCF: If an arbiter is watching a chess game and observes that a rule has been violated, should the arbiter intervene? Or should the arbiter intervene only if a player complains? Some people ...
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FIDE and USCF: What do the rules say when a player insults an arbiter?
FIDE and USCF: What do the rules say when a player insults an arbiter?
This is an uncommon situation. In general, chess players are very polite people. 30 years ago, I was in training with Paul Klein, ...
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Time Trouble, Arbiter Trouble
Yesterday. Our club's summer tournament. One specialist A is in time trouble as always (to his defense, 90+30+no bonus) and no longer writes. The other specialist B still has 10 minutes and writes ...
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USCF rule for wrongly agreeing to stalemate? [duplicate]
In a USCF tournament game, after I moved and hit my clock, my opponent said "Is that stalemate?", reaching out his hand to shake on the result. I said "I think so," and shook his ...
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How to calculate USCF's Modified Median (with or without byes)?
The calculation is described in the "USCF Chess Rule Book", chapter 34E1,
34E1. Modified Median
The Median system, also known as the Harkness system for inventor Kenneth Harkness, evaluates ...
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How is this a draw?
I was playing a game on chess.com. It is this game: https://www.chess.com/live/game/84265198943
It ended in a draw right as I was about to flag my opponent. I can not figure out why.
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How much would chess change if Black always had the last move?
In a hypothetical minor variant, could White's first-move advantage be compensated for by Black's right to last move?
Normally, White wins have White play N+1 plies to Black's N. How would the game ...
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What are FIDE really hoping to achieve by the proposed rating changes from January 2024?
FIDE have published a new article: FIDE seeks public discussion about proposed rating changes. They say:
In the past decade, certain innovations have caused rating deflation, a concern that has been ...
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Why did I lose -> I thought I can swap king and castle to avoid checkmate? [duplicate]
[FEN "6nN/Bp1k2pp/2n5/p7/Q4R1P/5pP1/P3qN2/4K2R w K - 0 1"]
As you can see my king got checkmated through the enemy's queen and pawn.
My question is, why is this a checkmate? I haven't moved ...
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Noisy opponent -- your responsibility?
My opponent seemed to me (then a teenager) an elderly guy but I think he was just in his 50s or 60s.
Anyway, he literally was audibly and somewhat loudly talking to himself, saying, "If I go ...
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A player falls asleep during the game and his friend wakes him -- illegal?
I witnessed this: a player who burnt the candle at both ends fell asleep during the game and his friend woke him up. His opponent vehemently objected. How should this have been handled?
I do not ...
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Can Loss by Checkmate be Avoided by Invoking the 50-Move Rule Immediately After the 100th Half-Move?
The FIDE Laws of Chess state the 50-move rule as follows:
9.3 The game is drawn, upon a correct claim by a player having the move, if:
9.3.1 he/she indicates his/her move, which cannot be ...
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Does the touch move rule apply in Blitz?
At a casual club where I play, one guy insists on playing five minute Blitz games (most of us play untimed games otherwise). Since a player's move isn't complete until they press their clock, he ...
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Correct swiss pairings for a group of 4 players
Say we have a situation that's not super uncommon in swiss tournaments. There are four people currently tied with the most points, where #1 and #3 have just played White (for example), while #2 and #4 ...
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Running out of time mid promotion to checkmate. Who wins?
In a casual blitz game I had with my friend, my last move was to promote a pawn, to ladder mate my opponent (there was already a rook on the 7th). I moved the pawn, but while I was reaching for the ...
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Can a pawn move 2 spaces if doing so would cause en passant mate?
You cannot place your King in check, the en passant could be refused and because you are not placing your King in check directly it seems you can move your pawn 2 spaces. However, just like castling, ...
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Are there any official rules which govern the announcement of pairings for a FIDE rated tournament?
Are there any specific rules for the pairing announcement, like they have to be announced "x" hours before the start of the next round? Or does it completely depend upon the tournament ...
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Time control for casual clock simul at home
I have hosted a simul at our house last Sunday against 5 players who were friends and acquaintances of mine. It was fun, but it took a bit too long, because I allowed everyone to use as much time as ...
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Nonstandard game results
Any standard chess game will end in 1:0,0:1,or 1/2:1/2. Can you give some games where very nonstandard results occurred (word of mouth is OK, but solid evidence is better)?
By §E10.2, any individual ...
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What is the state of the new FIDE Arbiter Refresher Courses?
Related question here asking about the changes for the changes in the regulations for FIDE arbiters (FA and IA) which came into force two years ago.
Previously the rules regarding inactivity for ...
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Can Nepo and Ding receive computer analysis from teammates between tiebreak rounds?
In round 4 of the tiebreaks for the 2023 world championship (LiChess), Nepo played the surprise 13.Bb1. I'm wondering if Nepo's teammates may have done a computer analysis of this position, which ...
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Le Petit Tourette
A kid I occasionally see on tournaments has a tic - he makes compulsive noises. Kids obviously have more understanding of such stuff - noone ever complained about being disturbed or made any ado about ...
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How is white allowed to castle 0-0-0 in this position?
I always thought the rules are you can’t castle if an enemy piece is watching the space between your king and the rook you want to castle with. But according to chess.com castling long is allowed in ...
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Detailed History of Touch Move Rule
What were the different versions of the touch-move rule over history?
There are various chess problems, particularly from 19th century, which depend upon it, and they seem to make different ...
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Does 'dead position' consider the 75 moves rule?
In 5.2.2 of the FIDE laws it says:
The game is drawn when a position has arisen in which neither player can checkmate the opponent’s king with any series of legal moves. The game is said to end in a ‘...
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USCF and FIDE: Is it legal to organize a tournament with the Monrad System? Monrad: rank 1 versus 2, in the first round. Swiss: 1 versus 5
We started to use the Monrad system:
https://rankedin.ladesk.com/043159-2152--Monrad
https://en.wikipedia.org/wiki/Swiss-system_tournament
We are organizing a monthly tournament valid for ELO rating ...
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What are the main changes in the latest (January 2023) version of the FIDE Laws of Chess?
FIDE has released its latest version of the Laws of Chess - FIDE Laws of Chess taking effect from 1 January 2023.
What are the main differences from the previous version(Laws of Chess: For ...
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Can someone press the clock without making a move to avoid getting flagged in 2022?
As the title says let's say it is a 1 hour 30 minute game with 30 seconds increment/move. Now if someone deliberately presses the clock at the last second without moving to avoid flagging and get the ...
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Simultaneous tournament games
The status: I just qualified for German DPEM. All "big" tournaments, since a few years, have been collected on the "Schachgipfel". Last year I played very well in the DSenEM (a win ...
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Can you use the copycat strategy in correspondence chess?
The copycat strategy is a rather silly one that guarantees a 50% score. Basically, you play White in one game and Black in the other game. You copy moves from one game to the other. So for example, if ...
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Why no notation for "Resigns" or "Lost on time"?
Suppose a chess game was decisive but didn't go to checkmate. Why does its notation not say whether the loser resigned or lost on time?
There are plenty of NAG symbols; even some ($136-$139) relating ...
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What are the rules of Glinski's Hexagonal Chess?
Wladyslaw "Bill" Glinski was a Pole who came to London immediately after the end of WW2. He developed what is probably the most popular version of hexagonal chess, a variant played on an ...
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