gistfile1.txt

a = function() {
  var oldLog = console.log;
  var modes = ["duel","ffa","2v2"];
  var reg = new RegExp(" to (\\\d*\\\.\\\d*)","i");
  var lasts = JSON.parse(localStorage.getItem('stars'))
  var lastValues = [lasts[modes[0]],lasts[modes[1]],lasts[modes[2]]];
  
  console.log = function (message) {
    var mode = -1
    modes.forEach(function (e,i) { 
      if (message.indexOf('stars on ladder "'+e+'"')  != -1) mode = i;
    });
    if (mode != -1 && lastValues[mode]) {
      newRank = Number(message.match(reg)[1]);
      if (newRank) {
        if (lastValues[mode] && newRank && Math.abs(newRank-lastValues[mode]) > 0.005)
        {	
          diff = (newRank - lastValues[mode]).toFixed(3);
          var diffString = modes[mode] + ": "
          if (diff > 0)
            diffString += "Gained "+diff;
          else	
            diffString += "Lost "+Math.abs(diff);
          diffString += ".  Stars: " + newRank.toFixed(3);
          oldLog.apply(console, [diffString]);
          if (window.document.getElementById("turn-counter") && window.document.getElementsByClassName("alert center").length > 0)
            window.document.getElementById("turn-counter").innerText = diffString;
        }
        lastValues[mode] = newRank;
      }
    }
  };
  console.clear();
  var startString = "--Current ratings--\n";
  for (var i = 0;i<modes.length;i++)
    startString = startString + modes[i] + ": " + lastValues[i].toFixed(3) + "\n";
  oldLog.apply(console, [startString]);
}
a();