ChessTerra.com

Ask an Arbiter: How Do I Claim Threefold Repetition? | R4 #USChessChamps

October 14, 2026 ChessTerra Chess Lectures

♛

♛︎ ChessTerra Notes

This video features the deputy arbiter of the U.S. Women's Championship explaining the correct procedure for claiming a draw by threefold repetition. Recorded during the tournament's fourth round, the segment provides practical tournament rules guidance. It is most beneficial for competitive chess players and tournament participants looking to understand official arbiter regulations.

LevelAll levelsLength2 minChannelSaint Louis Chess Club

rules of chessthreefold repetitiontournament arbiter

Ready to play?

Play and learn chess for free on Chess.com

Play on Chess.com →

From the creator — Saint Louis Chess Club

U.S. Women’s Championship 2026 Deputy Arbiter Kathy Lin enters the confessional during Round 4 of the U.S. Chess Championships 2026. This aired during Round 5.

2026.10.12
https://saintlouischessclub.org/event/2026-us-chess-championships/
https://twitter.com/stlchessclub
https://twitch.tv/stlchessclub
https://www.instagram.com/stlchessclub
https://www.facebook.com/stlchessclub

Watch on YouTube ↗

Daily Puzzle

Loading the puzzle…

More daily puzzles →

♟ More videos — same channel

Breaking It Down 🤔 with IM Sukandar ♟️

Breaking It Down 🤔 with IM Sukandar ♟️

WCHOF: Ulf Andersson, Kosteniuk, Ivanchuk to be Inducted | R5 #USChessChamps

WCHOF: Ulf Andersson, Kosteniuk, Ivanchuk to be Inducted | R5…

What’s Harder? Winning a Game or Forgetting a Loss? #USChessChamps

What’s Harder? Winning a Game or Forgetting a Loss? #USChessChamps

Clean Out 🧹All The MUCK! 🖥️ | #chess #chesstactics #blunder #USChessChamps

Clean Out 🧹All The MUCK! 🖥️ | #chess #chesstactics #blunder…

Leave a Reply Cancel reply

You must be logged in to post a comment.

<div id="puzzlebot-container"></div>

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@chrisoakman/chessboardjs@1.0.0/dist/chessboard-1.0.0.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@chrisoakman/chessboardjs@1.0.0/dist/chessboard-1.0.0.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@chrisoakman/chessboardjs@1.0.0/dist/chessboard-1.0.0.polyfills.min.js"></script>

<script>
  var board = null;
  var game = new Chess();

  function onDragStart(source, piece, position, orientation) {
    // do not allow dragging when game is over
    if (game.game_over()) return false;

    // only allow white pieces to be dragged
    if (piece.search(/^b/) !== -1) return false;
  }

  function onDrop(source, target) {
    // see if the move is legal
    var move = game.move({
      from: source,
      to: target,
      promotion: "q" // always promote to a queen for example simplicity
    });

    // illegal move
    if (move === null) return "snapback";

    // update the board position
    board.position(game.fen());

    // get a random move from the engine
    window.setTimeout(makeRandomMove, 250);
  }

  // make a random move
  function makeRandomMove() {
    var possibleMoves = game.moves();

    // game over
    if (possibleMoves.length === 0) return;

    var randomIndex = Math.floor(Math.random() * possibleMoves.length);
    game.move(possibleMoves[randomIndex]);
    board.position(game.fen());
  }

  // initialize the chessboard
  function init() {
    var config = {
      draggable: true,
      onDragStart: onDragStart,
      onDrop: onDrop,
      position: 'start'
    };

    board = Chessboard('puzzlebot-container', config);

    makeRandomMove();
  }

  $(document).ready(init);
</script>

<script src="https://revolvermaps2.com/embed.js" data-site="z79wnx94gq4m" data-size="300" data-theme="custom" data-color="ffffff" data-land="d4a843" data-ocean="0f1a2e" async></script>