Questions tagged [rules]
Questions relating to the rules of chess
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Can anyone please explain why this position isn't a draw?
I was watching this game on Lichess.
Both of the players have the same resource i.e., the king and only a bishop. The bishops on the board are of the opposite color. But the game was continued and one ...
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If an opponent's clock is pressed by mistake, how much extra time is given?
Today at the local tournament I noticed something strange. It was my turn, and my opponent's clock was running.
My opponent had pressed the his neighbor's clock by accident. We were playing two boards ...
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Rules: en passant and draw by triple repetition
A question of rulebook pedantry:
One can claim a draw when the same position occurs the third time, the same player having the move.
Two positions are not the same if the earlier allows a capture en ...
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Why did I lose on time with three pawns versus a knight? Shouldn't it be a draw?
I just lost an online game on time (while playing on lichess.org). I had three pawns and my opponent had just a knight. I don't understand why it's not a draw. Shouldn't it be a draw because my ...
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How to validate chess moves with a server? Winboard and Unity 2020.3
I'm looking for advice on how to implement online chess move validation using a winboard chess engine. I am creating a mobile battle chess game in Unity 2020.3. Right now I have the possible moves for ...
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Why can't a dropped pawn deliver checkmate in Shogi?
In discussion surrounding another recent question, the fact came up that a "dropped" pawn in Shogi isn't allowed to deliver immediate checkmate, whereas any other type of piece can be dropped to ...
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About the 3D chess they play on Star Trek
They play a type of 3D chess on Star Trek ( the 60's series) not on a 8x8x8 3D board but on some smaller variation. Yet the game as they have it is supposed to be complicated. Are there real rules and ...
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If a king is in check, can the opponent's king take said king if it puts them in check? [duplicate]
If a king is in check, can the opponent's king take said king if it puts them in check? Someone may think they win, but surely you can’t put yourself in check even if the opponent's king has been ...
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Can you castle with a "ghost" rook?
I recently saw this mate-in-2 problem
[title "White to mate in 2"]
[fen "8/8/8/2B5/2p5/1kp5/8/R3K3 w - - 0 1"]
This was posed with the hint that the player of the White pieces was a strong player ...
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Helpmate of arbitrary length
One of the FIDE rules states that if someone's flag falls, and there exists a legal sequence of moves such that the other player mates the first player, then the position is a win for the second ...
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Can a player capture en passant two times in a row?
Suppose that there are only two pawns that White can use to put the Black king in check that are on the board.
But in both cases, the pawns need to move past Black pawns, risking en passant capture to ...
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When capturing en passant, is a position possible such that there is a pin over the square of the taken pawn, rather than the taking pawn?
I am trying to write a simple chess program, and as part of this I am writing methods to find all valid moves. I can detect pins and have no trouble leaving out the moves that would result in the ...
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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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King move to other side
During a game of chess, after several moves. Is it an automatic win as soon as you get your king all the way across the board?
I was told this is a tournament rule.
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Why is there no rule allowing a player to claim a draw in lonely king endgames?
I was wondering, why is there no way for a player, who has sufficient mating material, to claim a draw against a lonely king?
According to Wikipedia:
The rules allow for several types of draws: ...
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Two questions about how the en passant capture works
I am still confused about the en passant rule. There are two possibilities regarding the capture itself that are not clear to me.
[FEN ""]
1. d4 d6 2. d5 c5 3. dxc6 b5 (3. c4 e5 4. dxc6)
...
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Insufficient material draw on lichess.org
[FEN "8/8/1k5K/8/1p1N4/8/p7/8 w - - 0 1"]
I had KPP material and my opponent had KN. My time ran out and I lost the game. Shouldn't this have been a draw?
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Intuitive play vs learning strategies
When I first 'learned' chess, it was just the moves of each piece and then I started playing. I had no plan at all other than just moving pieces and trying to take from my opponent and protecting ...
CommunityBot
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Can a player win if their opponent has made 2 illegal moves, but a helpmate isn't possible?
Suppose that in a KQ vs. K endgame (or in an endgame where Black can't possibly mate the other side), White makes two illegal moves. Can Black claim a win?
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Are banter blitz players who draw arrows on the board during the game breaking the FIDE Laws of Chess?
According to the FIDE Laws of Chess:
11.3.1 During play the players are forbidden to use any notes, sources of information or advice, or analyse any game on another chessboard.
Streamers and ...
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How did I get a checkmate in this game?
This is a position from an endgame I played that I do not understand. How did I get a checkmate in this game? Is this a glitch? I ask this because I am pretty sure that Black's queen could take my ...
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Touching an opponent's piece with one of your pieces
If I touch one of my opponent's pieces with one of my pieces, but do not touch it with my fingers, do I then have to take it?
This question was raised in a junior school when one player touched his ...
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Is acceptable to consult with your team during a match break?
The context
I am not into chess, but The Queen’s Gambit revealed its interesting world, and something got stuck into my mind.
As shown by this article the movie had to make compromises, especially ...
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Pressing the clock using the same hand you use to move the pieces
I participated in a club and went to training. The guy who played against me is right-handed, so he placed the clock on the right. I'm left-handed, so I play with the left hand and press the clock ...
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Is there a rarely known rule about Pawns eating indirectly? [duplicate]
The game analysis tool of chess.com tells me I should have done a move which looks impossible to me.
Obviously my move, e1, was very stupid. But what the game tells me seems impossible. Is it a bug? ...
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Why is the king powerless and the queen powerful?
Historically, real kings were powerful (Alexander the Great, Napoleon Bonaparte etc.) and women were powerless. The game of chess began in Asia, some say, and the women were definitely powerless there....
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Can you claim a draw, after the position has changed, if threefold repetition occurred earlier?
I understand that when the same board position occurs three times in a game, with the same player to move, and having all the same possible moves, the game may be claimed as a draw by threefold ...
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Instead of giving checkmate, I gave stalemate. Why?
I am a beginner, and I have just discovered this annoying stalemate. I got the definition but while playing, I ended up with a stalemate and I don't know why. Could you explain it to me?
[FEN "8/...
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Ambiguity in notation resolved by +
In the board position both knights can move to e4. To distinguish which knight moved one would normally write Nce4 or Nfe4. However in this special situation only Nce4 is check.
Would it be ...
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Why isn't this threefold repetition, forcing a draw?
Here's my scenario, White has pawns on c2 and a2, and a king on c1, while Black has a queen on b4 and a king on d1.
[FEN "4k3/8/8/8/1q6/8/P1P5/2K5 b - - 0 1 "]
1...Qe1+ 2.Kb2 Qb4+ 3.Ka1 Qe1+ 4.Kb2 ...
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Time out question in a drawish endgame
With some extremely rare exceptions, KNN vs KR endgame should be a draw. However, I am wondering what if this endgame happens in a game with no increments. I think the following will happen at chess....
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5D Chess - Why is white king not in check in this position?
Why cannot black rook on c5 in the bottom timeline capture the king on c5 in the top timeline? Why is the king not in check?
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What happens after two kings stay on the board?
A lot of times my sibling and I have played chess and have ended up with just two kings. We have never known what would happen next. Two kings on the board would somehow result in an infinite game, as ...
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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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Finding a piece to promote a pawn [duplicate]
There is only one queen of each color is a chess set. When a pawn gets promoted, say to a queen, where does that queen come from?
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Can the pawn take the rook in this position?
I have a question regarding the way that pawns are allowed to attack. Sorry I’m a beginner, but me and my friend are playing and I don’t want to make this move if I’m not allowed to. I have a picture ...
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What are the official rules if your opponent makes an illegal move?
I heard that they lose some time or that they lose the game. I'm not sure what happens.
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Are there any official rules for Bughouse?
I came across this question - Formal rules for two-player bughouse without a clock - which asks if there is a formal way of breaking deadlock situations where one player on each side doesn't want to ...
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What do you need in order to organize a chess tournament?
We have a small local chess club group on Facebook and chess.com, and we want to organize a small event where all the members can play against each other. We will ask players who play for the national ...
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Is it possible to resign in stalemate?
Say that two players, likely lower rated, are playing a rated tournament over-the-board game. Player A has a winning position, and then blunders a move and stalemates. Player B, misunderstanding the ...
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Does a chess position exists where one player has insufficient material, and at the same time has a forced mate in 2?
I was thinking about the USCF and FIDE rules on flagging when the opponent has insufficient material. I think I came up with a scenario with the USCF-rule where the best move would be to let the clock ...
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Should any information written on the scoresheet by the players be accurate?
The FIDE rules state:
12.4 The scoresheet shall be used only for recording the moves, the times of the clocks, the offers of a draw, and matters relating to a claim and other relevant data.
I ...
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Why is taking notes that encourage oneself illegal in chess?
In Round 9 in the US Chess Championship 2015 Men, Wesley So (2794) was forfeited by the arbiter in his game against Akobian (2622) since So took notes that were not chess-related but contained "...
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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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Series of illegal moves in check
This question falls under FIDE rules (USCF answers/comments welcome).
If I make an illegal move leaving myself and my opponent in check, hit the clock and my opponent misses it and then continues play ...
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Why does FIDE recommends using German numbers and piece names for blind and visually impaired?
While reading FIDE version of the rules, I stumbled upon Appendix E: Rules for play with Blind and Visually Handicapped.
There, in E2.1:
The moves shall be announced clearly, repeated by the opponent ...
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What is the correct hand movement to capture a piece?
I see players in international tournaments taking pieces in the following fashion: first they take off the board the piece they intend to take, and only then, with the same hand, they move their ...
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My bottle of water accidentally fell and dropped some pieces. Now what?
While playing a rapid game, I accidentally dropped my water bottle on the chessboard, which made many pieces fall. I don't remember the initial position, and neither does my opponent. Should we play ...
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Can a player resign after checkmating their opponent?
A friend of mine recently told me that once, he checkmated his opponent and then immediately resigned because he thought his win was unfair. This happened in a FIDE-rated tournament.
Searching the ...
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What should the arbiter and what should have I done in this case?
Recently, an official (FIDE-rated) tournament was held, where I participated.
In the last round – which was the most critical one – I was black and my opponent white. In the middle of the game, they ...
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