Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.

Questions tagged [threefold-repetition]

For questions about the threefold repetition rule, which states a player can claim a draw if it's his/her move and a position has appeared / is about to appear which happened before at least twice.

Filter by
Sorted by
Tagged with
6
votes
1answer
769 views

Does permanent loss of castling rights reset three fold repetition

Threefold repetition requires that the same "potential for moves". For example, if a En Passant could be played in one position but not another, it does not count as the same position. With respect ...
2
votes
4answers
140 views

Making an inferior move to get out of threefold repetition?

Let's say it's the last day of a tournament and white needs to win a game in order to advance to the next stage or something like that. Unfortunately, he reaches a position where there is no way to ...
6
votes
2answers
340 views

Is there a record for threefold repetition for when the claimed positions are the farthest apart, in terms of moves?

That’s one long question, so let’s break it down. Threefold repetition, as many know, is when a draw occurs, after the same position, with all piece types on the same square, all possible moves and ...
7
votes
4answers
301 views

Threefold repetition in view of castling rights

In view of castling rights, an aspiring rules lawyer could ask: when does threefold repetition support a draw claim? Technical example: [fen ""] [title "Illustration of castling rights"] [startply "...
2
votes
1answer
206 views

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 ...
5
votes
2answers
375 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 ...
8
votes
1answer
554 views

What if threefold repetition occurs in WCC 2018?

It is not allowed to draw till move 30. Are the players forced to find another moves in case of threefold repetition?
5
votes
0answers
131 views

FIDE threefold repetition and possible moves [closed]

FIDE rules section 9.2 says: Positions are considered the same if and only if the same player has the move, pieces of the same kind and colour occupy the same squares and the possible moves of ...
8
votes
6answers
602 views

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 ...
4
votes
2answers
206 views

What's the rationale behind chess engines conditionally allowing threefold repetitions when assigning a draw score?

When a chess engine sees a position p repeated once (i.e. position p occurred twice) it immediately assigns the second occurrence of position p a draw score. This makes sense because position p doesn'...
6
votes
3answers
367 views

What's the maximum number of moves that can result in a threefold repetition from an arbitrary position?

Assume that the fifty-move rule does not require a player to claim a draw. Instead, the game is automatically declared a draw if no pawns have been moved and no pieces have been captured in the last ...
4
votes
4answers
309 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. ...
5
votes
1answer
309 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 ...
8
votes
1answer
761 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) ...
6
votes
1answer
394 views

Three-fold repetition and null move

Added transposition table (this was tested alone and worked as expected), three fold repetition and null move pruning in my engine and wins more games but some of them end with three fold repetition ...
3
votes
4answers
2k views

Programming three-fold repetition for my chess engine

I'm making a chess engine that has to implement a three-fold repetition as my AI vs AI engine repeats the same moves over and over again (Have a look at my post here - My chess AI makes the same ...
4
votes
2answers
163 views

Najdorf threefold repition

In the Sicilian Najdorf there is a well known line which ends in threefold repition (if both players want). [Event "NN"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation, English Attack, ...
-1
votes
2answers
231 views

How did this game end in a draw?

https://en.lichess.org/B6L5XNox Never mind the sloppy play. I'm just curious why this ended in a draw: (Does anyone know how to copy moves from lichess?) Anyway, the final 5 moves: Rc4+ Kb6 Qd8+ ...
1
vote
1answer
741 views

Threefold repetition: Am I getting it right?

I was wondering if this is the right way of how the threefold repetition works. Thanks. (The image is in gif format, it should play automatically.)
4
votes
2answers
235 views

Why is this a threefold repetition draw?

I'm relatively new, so sorry if this is obvious. Recently played a game on my phone chess app where the option popped up that I could claim a threefold repetition draw. I hadn't known about this rule. ...
5
votes
2answers
210 views

How can I find chess games from grand masters that end in threefold repetition?

When I go to http://www.chessgames.com/, I can search for matches that end in draws, however I can not figure out how to filter those draws to specifically threefold repetition. How can I find these ...
3
votes
2answers
7k views

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 ...