adds +1% to my Tagpro username at the end of every game

tagpro_getFatter.user.js

// ==UserScript==
// @name          Get Fatter
// @namespace     http://www.reddit.com/u/slothbear
// @description   Adds 1% to bodyfat after every game.
// @include       http://tagpro-*.koalabeast.com:*
// @include       http://tangent.jukejuice.com:*
// @include       http://*.newcompte.fr:*
// @author        slothbear / %bodyfat
// @version       1.4
// @downloadURL   https://gist.github.com/cr4m3r/e18d16070ec72932623d/raw/tagpro_getFatter.user.js
// ==/UserScript==

// Script adds 1% to my bodyfat at the end of the game.

tagpro.ready(function () {
    
    console.log("GET FATTER BEGIN!");

// Call getFatter() at end of game.
    tagpro.socket.on("end", function (e) {
        console.log("GET FATTER SENSES THE END IS NEAR!");
        getFatter();
    });

// Makes script PUB only.   
    if (tagpro.group.socket)
        return;
});

// Collect current name, make a new one with +1% bodyfat, and
// and send it to tagpro.
function getFatter() {
    var currentName = tagpro.players[tagpro.playerId]["name"];
    var newName = currentName.replace(/(\d+)\%/, function (j, a) {
        return a - -1 + "%";
    });
    console.log("TIME TO GAIN SOME WEIGHT!");
    tagpro.socket.emit('name', newName || 'error');
}