Analyze My Games

Find the openings that cost you the most games on Chess.com or Lichess, then watch the ChessTerra videos that fix them.

Or paste a PGN to review any game with Stockfish

PGN

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

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  var game = new Chess();

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    // only allow white pieces to be dragged
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  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
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    var randomIndex = Math.floor(Math.random() * possibleMoves.length);
    game.move(possibleMoves[randomIndex]);
    board.position(game.fen());
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    makeRandomMove();
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