Elo calculator

elobrawl.js

function GetGloryFromWins(totalwins) {
    if (totalwins <= 150)
        return 20 * totalwins;
    return Math.floor((10 * (45 * Math.pow(Math.log10(totalwins * 2), 2))) + 245);
}

function GetGloryFromBestRating(bestrating) {
    var retval = 0;
    if (bestrating < 1200)
        retval = 250;
    if (bestrating >= 1200 && bestrating < 1286)
        retval = 10 * (25 + ((0.872093023) * (86 - (1286 - bestrating))));
    if (bestrating >= 1286 && bestrating < 1390)
        retval = 10 * (100 + ((0.721153846) * (104 - (1390 - bestrating))));
    if (bestrating >= 1390 && bestrating < 1680)
        retval = 10 * (187 + ((0.389655172) * (290 - (1680 - bestrating))));
    if (bestrating >= 1680 && bestrating < 2000)
        retval = 10 * (300 + ((0.428125) * (320 - (2000 - bestrating))));
    if (bestrating >= 2000 && bestrating < 2300)
        retval = 10 * (437 + ((0.143333333) * (300 - (2300 - bestrating))));
    if (bestrating >= 2300)
        retval = 10 * (480 + ((0.05) * (400 - (2700 - bestrating))));
    return Math.floor(retval);
}

function GetHeroEloFromOldElo(elo) {
    if (elo < 2000)
        return Math.floor((elo + 375) / 1.5);
    return Math.floor(1583 + (elo - 2000) / 10)
}

function GetPersonalEloFromOldElo(elo) {
    if (elo >= 1400)
        return Math.floor(1400 + (elo - 1400.0) / (3.0 - (3000 - elo) / 800.0))
    return elo;
}

function Submit() {
    var myDiv = document.getElementById("results");
    var box = document.getElementById("mingamesbox");
    if (!box.checked) {
        myDiv.innerHTML = "Sorry, gotta play 10 games!";
        return;
    }
    var bestRating = parseFloat(document.getElementById("best").value);
    var wins = parseFloat(document.getElementById("wins").value);
    var gloryFromBest = GetGloryFromBestRating(bestRating);
    var gloryFromWins = GetGloryFromWins(wins);
    var gloryTotal = (gloryFromBest + gloryFromWins);
    myDiv.innerHTML = "Glory from Wins: " + gloryFromWins + "<br>Glory from best rating: " + gloryFromBest + "<br>Total Glory this Season: " + gloryTotal;
}

function SubmitSquash() {
    var myDiv = document.getElementById("resultsSquash");
    var personalRating = parseFloat(document.getElementById("curr").value);
    var heroRating = parseFloat(document.getElementById("herorating").value);
    var outPersonal = GetPersonalEloFromOldElo(personalRating);
    var outHero = GetHeroEloFromOldElo(heroRating);
    myDiv.innerHTML = "New personal: " + outPersonal + "<br>New Hero/Team: " + outHero;
}