Questions tagged [rules]

Questions relating to the rules of chess

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6
votes
2answers
378 views

What is a move that “is recorded in such a way that its true significance is impossible to establish”?

According to FIDE rule E.8 on temporary adjournment (my emphasis), Except in the cases mentioned in Articles 5, 6.9, 9.6 and 9.7, the game is lost by a player whose recording of his sealed move: ...
3
votes
1answer
589 views

What happens when both players are out of time in Blitz?

What are the rules when the clock for both players has reached 0? Are these rules different for digital clocks (where the clock shows who was the first player to flag) and analog clock where it might ...
5
votes
4answers
322 views

Does threefold repetition take into account the side to move?

To be more clear, here is a fragment of a game: [FEN "4k3/R7/6r1/3KP3/8/8/8/8 w - - 0 1"] 1. Ra2 Rg5 2. Ra7 Rg6 3. Ra2 Rg5 4. Ra7 Rg6 5. Ra4 Rg5 6. Ra2 From the FIDE Laws of Chess: 5.5.1 d. ...
4
votes
2answers
251 views

15x15 squared board [closed]

My brother and I made this 15 by 15 squares chess board that uses two sets of pieces minus a pawn and king for each color. We have already played a game and find it extremely fun and interesting, but ...
9
votes
3answers
685 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 ...
10
votes
2answers
999 views

When checkmate is impossible in a position

Edit This question is not a duplicate, as mentioned in my comment. The linked supposedly-duplicate question addresses neither my below question #1, nor question #3, nor question #2 except tangentially ...
13
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5answers
1k views

What is the result? (Rules + puzzle)

[EDITED to include followup - EDIT 2 to include definition of position] This is in part a genuine question on the FIDE Laws of Chess, and in part a small puzzle to solve. Suppose that during a long ...
1
vote
2answers
286 views

Why can I only move my Queen vertically?

I'm playing a game on chess.com and I want to move my Queen to h7. The website won't let me move it there. I tried moving it to other places but the only way I will let me move it is vertically. Is ...
4
votes
2answers
184 views

Team championship pairings

Is there some fixed rule how teams for leagues are paired? Is it deterministic once team gets its starting number? If for example two teams must play in early rounds (e.g. A, B from same club), is it ...
1
vote
1answer
156 views

Simultaneous check [duplicate]

My pawn is pinned by the enemy bishop, however if I push the pinned pawn 1 space my rook would then put the opposing king in check resulting in a simultaneous check with my opponent to move next Can ...
5
votes
1answer
319 views

50-move rule: FIDE wording seems weird

FIDE rules seem to say that I have to claim draw (3-repetition and 50-move) before I actually touch/move my piece. And if I move my piece first, and then claim the draw, it doesn't count. 1) Is this ...
1
vote
0answers
53 views

why was en passant introduced? [duplicate]

pawns have only one privilage and that is to move 2 squares as their first move. So why was that too taken away? at final moment of game when we try to save our pawns to revive a queen and opposition ...
8
votes
1answer
780 views

What is the order of actions in chess under FIDE rules?

Reading some recent posts about the 50 move rule made me realize that I've never seen an explicit order of actions for chess. By way of comparison, the order of actions in Monopoly is given here: (1) ...
2
votes
1answer
134 views

Claiming a 50-move draw with a mating move [duplicate]

Under FIDE law 9.3.1, a player to move may claim a 50-move draw by writing down the intended 50th move and making the claim. Supposing this claim is otherwise valid; if the move would checkmate then ...
2
votes
1answer
229 views

Are there any legal positions known to be impossible to come to in a normal game? [duplicate]

There are some fairly obvious ways to set up a chess board that cannot possibly happen: both kings simultaneously in check would be one. There are some positions that seem impossible in a normal ...
9
votes
2answers
324 views

Does the chick promotion rule in dobutsu shogi really matter?

In dobutsu shogi, the chick (Japanese pawn) promotes to a chicken (Gold general). In my experience this promotion occurs only rarely and I suspect after much blundering. Does the chick promotion rule ...
6
votes
3answers
3k views

Can a king be checked with another king when checking square is protected by the side which gives the check?

Can a white King move next to a black King to check it, if there is a white pawn protecting the white King, preventing the black King from taking the white King?
1
vote
0answers
114 views

Taking the King in Blitz Chess [duplicate]

Question: In Blitz (5-min Chess) your opponent puts you in check. You then make a move that places your opponent in check. Can your opponent still take your King and claim victory (even though he's in ...
47
votes
2answers
9k views

When (if ever) was it a rule that pawn promotion was optional?

I'm reading a very old chess book ("The Chess Pocket Manual" by G.H.D. Gossip, copyright 1894), and I find this passage in it's section on "The Laws of Chess": When a Pawn has reached the eighth ...
-5
votes
1answer
2k views

If I have only a king left and two blocked pawns, how many moves does my opponent have to mate? [closed]

I have only king left with two pawns but they are blocked. By how many moves an opponent has to checkmate me?
7
votes
1answer
416 views

Taking notes of time usage during game

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?
5
votes
5answers
742 views

Custom chess (game) engine

Is there a chess engine which you can use regardless of the game's rules? For example, I want to create my own chess version in which queen will also be able to move as knight, or just a 10x10-square ...
8
votes
1answer
653 views

Illegal Move Missed-Too Late?

This question is about standard games under USCF rules (if FIDE is different, I'd like to know). Say that one side makes an illegal move-specifically, castling through check. Neither player notices. ...
3
votes
2answers
867 views

Is castling legal in this position? [duplicate]

Black 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 ...
1
vote
3answers
617 views

take the king in blitz game

In a blitz game when my king is checked I make an illegal move which checkmates the opponent and press the clock. Then my opponent takes my king and claims victory. Taking the king is not a legal move....
2
votes
1answer
710 views

Algorithm for implementing chess rule [closed]

It's my first question on the chess stack exchange (actually I asked this question to stack overflow but my question was closed 'off topic'), and English is not my first language. So please understand ...
3
votes
5answers
708 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
vote
1answer
161 views

Candidates 2013: could Ivanchuk have drawn?

In the last round of the Candidates of the 2013 World Championship, there were two players left in contention. Kramnik (black vs. Ivanchuk) needed to outperform Carlsen (white vs. Svidler). In the ...
18
votes
1answer
4k views

Carlsen - Inarkiev game illegal moves

In the first round of the World Blitz Championship in Riyadh Magnus Carlsen played Ernesto Inarkiev and the game ended strangely. [FEN ""] [StartPly "53"] [Event "World Blitz Championship"] [Site "...
19
votes
1answer
7k views

If a chess board is disturbed, can the game continue?

Let's say I'm playing a game that has technically begun (white has moved) and then the board is disturbed: say a minor earthquake shakes the pieces off the table or something. Clearly no-one has ...
-6
votes
3answers
111 views

What black piece can you capture?

What black piece can you capture? This is homework from school. [FEN "8/8/2n5/1p6/4r3/1Kb5/3p4/8 w - - 0 1"]
6
votes
1answer
514 views

Has any chess player ever been banned because of doping?

In December 2008, the German magazine Der Spiegel reported on Vassily Ivanchuk's refusal to provide a urine sample for a doping test. This type of refusal is "treated as a positive test result" (...
2
votes
2answers
99 views

Multimove variant rules with queen that does two moves in one

I recall playing a multimove variant special rules chess game where one player (say black) has all the usual pieces, while the other player has just a queen that can do two moves in one. So the queen ...
41
votes
4answers
12k views

Arbiter ignored cheating, and I signed the scoresheet. Did I lose my right to object?

I am currently playing in an ELO tournament. Today, while I was playing, my opponent occasionally got up and walked around. At first, I did not care much. Then, I realized that some people were ...
1
vote
1answer
580 views

Can a pawn move to the last row diagonally without a capture?

Playing the "Champion" J2ME chess, I noticed that the bot (black) made a pg2—h1Q move. Is this a bug or just a rarely known rule like en passant and castling?
0
votes
3answers
953 views

What is the source of the house-rule 18-moves?

In my area, most kids including me grew up with a very popular house-rule: After all the pieces of either of the players are removed besides the king, the opposing player has 18 moves to checkmate him....
1
vote
2answers
28k views

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.
4
votes
2answers
246 views

Is there a rule that doesnt allow adjust in opponents time?

While playing a tournament, I adjusting my pieces several times in my opponent's time. He claimed a win for the same. can anyone explain how this rule works and why is it there?
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 [...]. ...
10
votes
2answers
2k views

Touch move rule when the opponent is not present on the board

According to the rules, if a player touches a piece, he/she has to move that piece (if it's possible), and so on... Imagine this situation, the opponent is not present on the board (far away), you ...
17
votes
1answer
4k views

Distracted by opponent's habit of spinning captured pieces

Many players have the habit of spinning and flipping captured pieces, e.g. Nakamura, Gelfand, Van Foreest, etc... However, when it is in my field of view, it distracts me and it brings me out of my ...
18
votes
1answer
2k views

Is it legal to move a piece if your opponent has not hit the clock?

I have played some rapid and blitz games in my city, it was not a tournament, but a friendly match, but there's something that bother me almost always that I've played: I move my piece and as my hand ...
17
votes
10answers
5k views

How to balance the game for uneven players

I want to play chess with my wife, but we have different ranks (I am approximately 1900, and she is ~1500 (probably less based on comments)). Normally, our games are boring for me. I tried to balance ...
11
votes
7answers
782 views

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 ...
-3
votes
1answer
789 views

Illegal promotion in FIDE blitz game? [duplicate]

In a FIDE rated blitz (3+2) tournament (following the official FIDE rules), the following position occurred: [FEN "8/1k5P/q7/8/8/8/6K1/6Q1 w - - 0 1"] White played 1.h8Q. But since both queens were ...
8
votes
5answers
1k views

How to resign properly?

In some of the tournaments I've been, there were pretty indecent people (some of whom licences were revoked). One of my friends had a terrible incident. At the end of the game, he was dominating and ...
26
votes
3answers
3k views

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 ...
3
votes
1answer
284 views

Requesting draw in last two minutes

What is the right way to claim a draw in the last two minutes? Also, is there a procedure to claim a draw after losing on time (I mean if you have a position where you can go for a win if you had time)...
5
votes
1answer
489 views

Can you claim an illegal move in Blitz after pressing your clock (but without making a move)?

In Blitz under FIDE rules, Player A makes and completes an illegal move by pressing the clock. Player B states that Player A's move is illegal, does not make a move, but quickly presses his own clock, ...
18
votes
1answer
15k views

What are the rules of Quantum Chess?

The game Quantum Chess, as seen in the video where Paul Rudd defeats Hawking, has no "set of rules" written down. You either have to do the in-game tutorial, watch a video on the game and pick them up....