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Questions tagged [rules]

Questions relating to the rules of chess

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13 votes
2 answers
3k views

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 ...
Dave's user avatar
  • 359
6 votes
3 answers
2k views

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 ...
GreenMatt's user avatar
  • 3,247
4 votes
3 answers
341 views

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 ...
Inertial Ignorance's user avatar
5 votes
1 answer
231 views

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 ...
Zock77's user avatar
  • 153
8 votes
4 answers
7k views

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, ...
TheNewProcess's user avatar
1 vote
1 answer
117 views

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 ...
Abhyuday Vaish's user avatar
2 votes
1 answer
101 views

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 ...
CanadianGambit's user avatar
18 votes
1 answer
3k views

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 ...
Hauke Reddmann's user avatar
2 votes
0 answers
96 views

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 ...
Brian Towers's user avatar
  • 99.3k
7 votes
1 answer
237 views

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 ...
Rebecca J. Stones's user avatar
3 votes
1 answer
118 views

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 ...
Hauke Reddmann's user avatar
10 votes
3 answers
2k views

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 ...
josias's user avatar
  • 213
5 votes
1 answer
701 views

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 ...
Laska's user avatar
  • 13.1k
8 votes
4 answers
3k views

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 ‘...
koedem's user avatar
  • 3,616
3 votes
1 answer
364 views

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 ...
Beginner's user avatar
  • 1,292
16 votes
3 answers
5k views

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 ...
Brian Towers's user avatar
  • 99.3k
5 votes
1 answer
1k views

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 ...
cmgchess's user avatar
  • 2,770
2 votes
1 answer
90 views

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 ...
Hauke Reddmann's user avatar
7 votes
1 answer
2k views

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 ...
Allure's user avatar
  • 28.1k
8 votes
2 answers
596 views

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 ...
Rosie F's user avatar
  • 6,485
1 vote
1 answer
454 views

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 ...
Brian Towers's user avatar
  • 99.3k
10 votes
1 answer
1k views

Opponent replies to a half made move - what should the arbiter do?

In round 1 of the recently concluded 4th EJCOA IM norm tournament this game was played: [Title "Rajat Makkar vs Neil Berry 4th EJCOA IM Norm 2022"] [fen ""] [Startply "36"...
Brian Towers's user avatar
  • 99.3k
2 votes
1 answer
153 views

Tournaments with not-everyone-treated-equal

Less "radical": see also this question. Usually, in tournaments rules hold uniformly for each participant. Here are some examples that might violate the rule: A: Those who can't notate (...
Hauke Reddmann's user avatar
5 votes
1 answer
1k views

What happens after repeated incorrect draw claims?

Assume, one player is in severe time trouble and his opponent chooses to play on. He has a strong feeling that they may have reached the same position for the third time but doesn't have the time to ...
Hauptideal's user avatar
  • 6,217
0 votes
1 answer
141 views

In the endgame, black had only two blocked pawns. It is his turn. Is it stalemate or must he move his king?

In the endgame, Black had only two blocked pawns. It is his turn. Is it stalemate or must he move his king? My opponent claimed that the king cannot move if all other remaining pieces are blocked.
Bill Robinson's user avatar
2 votes
2 answers
186 views

Am I obligated to tell my opponent the position of my piece he displaced in blitz?

In a blitz game, my opponent displaced 3 pieces upon capturing. He arranged 2 correctly but could not figure the position of the third piece. Am I obligated to say the position of the 3rd piece when ...
Faithality's user avatar
1 vote
1 answer
269 views

USCF: Insufficient material to win on time

It is my understanding that the United States Chess Federation (USCF) has the rule: Insufficient material to win on time. Does this rule apply to all time controls? Does the player need to claim the ...
Beginner's user avatar
  • 1,292
3 votes
1 answer
854 views

Overruling last round color check in Swiss

Spinoff from here FIDE Swiss pairing rules state that last round color check in Swiss may be overruled by the organizer. They don't state what overrules. Probably it is not in the whim of the ...
Hauke Reddmann's user avatar
4 votes
1 answer
200 views

Is it possible to play all games with white pieces in a team tournament?

Let's say there's a team tournament like European Club Cup. We have one player who can win games with white pieces(called Player A). And another player who can hold for a draw with black pieces(called ...
Abhyuday Vaish's user avatar
6 votes
1 answer
162 views

Cheating Protocols

Does FIDE (or any national federations) have any set protocols regarding detection of cheating? Or maybe a formal process for adjudicating suspicion? From what I can tell, the arbiter at St. Louis ...
rougon's user avatar
  • 941
5 votes
1 answer
93 views

Can a tournament be FIDE rated if it has multiple time controls based on player ratings

If we ran a weekly club tournament that has different time controls for different games based on both players' ratings as set forth in the FIDE regulations, would the tournament qualify as a Standard ...
Scott's user avatar
  • 51
2 votes
2 answers
519 views

USCF: Should the arbiter correct illegal moves without a player claim?

Should an USCF arbiter correct illegal moves without a player claim? Here is the USCF link: USCF rules of chess Here is the FIDE link: FIDE rules of chess USCF and FIDE rules are NOT 100% equal. What ...
Beginner's user avatar
  • 1,292
10 votes
2 answers
2k views

Do you lose/gain rating if you withdraw in the middle of an OTB tournament?

Magnus just withdrew from the Sinquefield Cup. Does that affect his rating at the end of the tournament? Will he gain or lose rating based on at the time he left the tournament in the next fide update?...
cmgchess's user avatar
  • 2,770
3 votes
1 answer
129 views

USCF: Does the arbiter have the duty to write the moves of the players if they are not recording their moves? Or is that not allowed?

In general, the players have to write their moves. However, there are some situations when they are allowed to skip this obligation. In those situations, does an USCF arbiter have the duty to write ...
Beginner's user avatar
  • 1,292
7 votes
1 answer
449 views

USCF: Can the arbiter adjudicate a draw using the threefold repetition rule WITHOUT a player claim?

Please give me your perspective and experience about USCF sudden death and non-sudden death time controls. My understanding is the following: In general, the arbiter should not intervene unless a ...
Beginner's user avatar
  • 1,292
6 votes
2 answers
735 views

USCF: Should the arbiter start a time-forfeit claim?

I will be an USCF arbiter soon and I am checking the current USCF version of chess rules. Here is the link on the USCF website at 4/9/2022: USCF chess rules In my perspective, you would have to go to ...
Beginner's user avatar
  • 1,292
10 votes
2 answers
283 views

Do I have to make a move on a DGT board at the start of the game when opponent is not present?

In a situation when you are playing on a DGT board as white and your opponent has not yet arrived at the board, should we still make the move on the board after the game has started? Let's say your ...
cmgchess's user avatar
  • 2,770
4 votes
1 answer
587 views

If players are not writing their moves, can they claim a draw using the threefold repetition rule in an USCF or FIDE 30+0 chess tournament?

It is my understanding that the USCF expresses that if a player has less than 5 minutes in a 30+0 game, neither the player nor his/her opponent have the obligation to continue with chess notation. If ...
Beginner's user avatar
  • 1,292
3 votes
2 answers
185 views

What is "mating potential" in the FIDE Arbiter's Manual meant to mean?

While researching an answer for another SE.chess question (Has a position being a draw under FIDE 5.2.b before a forced recapture ever come up in a tournament?), I stumbled across the following issue. ...
Laska's user avatar
  • 13.1k
5 votes
1 answer
165 views

Has a position being a draw under FIDE 5.2.b before a forced recapture ever come up in a tournament?

Tom7 points out that FIDE article 5.2.b reads: 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 ...
QuestionAskingHuman's user avatar
24 votes
3 answers
7k views

Is this an incorrect draw by chess.com?

Is this an incorrect draw by chess.com? I just played a game on chess.com with the final position as below (I am black): [FEN "8/8/2b5/7P/8/2k1N3/5PP1/6K1 w - - 0 59"] My opponent's time ...
callum's user avatar
  • 351
0 votes
1 answer
419 views

Can a king capture a piece in front of the enemy king [duplicate]

Can I eat a piece in front of the enemy king with my king? For example: My king was on b6, the enemy knight was on b5, and the enemy king was behind the knight on b4. So can I capture the knight with ...
Raneem's user avatar
  • 11
18 votes
1 answer
4k views

Why does India get three teams for Open and Women's sections in the 2022 Chess Olympiad?

The 2022 Chess Olympiad is hosted in Chennai, India. Why does India get to field three teams while most nations get the usual one team per Open and Women's sections?
qwr's user avatar
  • 3,962
1 vote
1 answer
144 views

What is the most number of repetitions in a GM game?

In July 2014 FIDE introduced new rules regarding draws. The arbiter was required to step in and declare the game drawn in cases where the players repeated the position 5 times: 9.6 If one or both of ...
Brian Towers's user avatar
  • 99.3k
4 votes
1 answer
436 views

What games in a FIDE rated tournament does FIDE NOT rate?

In a recent FIDE rated tournament I officiated in one of the players complained to me afterwards that only 2 out of his 5 wins had been rated by FIDE. "What", he wanted to know, "was ...
Brian Towers's user avatar
  • 99.3k
5 votes
1 answer
519 views

What happens when a world chess champion doesn't defend their title?

When a world chess champion like Carlsen decides not to defend the title, how does FIDE determine who the new champion will be? Is it just the winner of the Candidates tournament?
brekker's user avatar
  • 829
4 votes
1 answer
1k views

Rules: Distracting the opponent using flashy clothes?

Yesterday, I was in a clothes shop and saw shirts that had wild patterns with screamingly bold colours. The same day, I saw this picture from the Angolan Chess Olympiad team, whose shirts reminded me ...
Hauptideal's user avatar
  • 6,217
15 votes
1 answer
2k views

Arbiter's top work cause

Any solid data on which rule decision makes up the lion's share of arbiters work nowadays? (I neglect "Lookie, Flag!" because this is rather passive, and a player can claim it anyway. ...
Hauke Reddmann's user avatar
8 votes
1 answer
2k views

Korchnoi was an Orc? Enforcing FIDE rule §E8.1.1

Exhibit A Note that §E8.1.1. says (...)as clearly and legibly as possible(...). My arbiter's estimation is that maybe around 5% of all players produce Orc runes. (My own handwriting is atrocious, but ...
Hauke Reddmann's user avatar
2 votes
2 answers
162 views

How would USCF handle a position, in which there is sufficient material, but checkmate can't be forced?

There are some positions, in which both players have pawns, rooks, and even queens, but checkmate cannot be forced. [FEN "4k3/4r1r1/3p1p2/p1pPpPp1/PpP1P1Pp/1P5P/8/4K3 w - - 0 1"] For ...
Anders Gustafson's user avatar

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