Edit in JSFiddle

<div class="cdv-openings" id="openings">
</div>
<div class="caption">
World Rapid Chess Championship 2015 openings breakdown.
</div>

d3.json('https://ebemunk.com/chess-dataviz/data/wrc.json', function(err, data) {
  var openings = new ChessDataViz.Openings('#openings', null, data.openings);
});