Chess Traps- Legal Trap

July 31, 2009 NHaselton Chess Lectures

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In this chess trap we look at one of the most common traps in the legal trap. White allows black to hang himself with a beautiful queen sacrifice and then finishes off the black king with three minor pieces.

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  function onDrop(source, target) {
    // see if the move is legal
    var move = game.move({
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      to: target,
      promotion: "q" // always promote to a queen for example simplicity
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    // 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);
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    // game over
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    var randomIndex = Math.floor(Math.random() * possibleMoves.length);
    game.move(possibleMoves[randomIndex]);
    board.position(game.fen());
  }

  // initialize the chessboard
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    makeRandomMove();
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