ProfileTake1.cs

private static readonly HttpClient _client = new HttpClient();

private async static void ObtainProfileData(string gamertag, string region)
{
    var response = await _client.GetAsync("http://live.xbox.com/" + region + "/Profile?gamertag=" + gamertag);

    if (!response.IsSuccessStatusCode)
    {
        Console.WriteLine("{0} Gamertag not found.", response.StatusCode);
        return;
    }

    var pageData = await response.Content.ReadAsStringAsync();

    var document = new HtmlDocument();
    document.LoadHtml(pageData);

    var gamerscore = document.DocumentNode.SelectNodes("//div[@class='gamerscore']").Single().InnerText;
    Console.WriteLine("Gamerscore: {0}", gamerscore);

    var temp = document.DocumentNode.SelectNodes("//div[@class='goldBadge']");
    var tier = temp == null ? "Silver" : "Gold";
    Console.WriteLine("Tier: {0}", tier);

    var starValues = new Dictionary<string, int>  {
        {"Empty", 0},
        {"Quater", 25},
        {"Half", 50},
        {"ThreeQuater", 75},
        {"Full", 100}
    };
    var stars = document.DocumentNode.SelectNodes("//div[starts-with(@class,'Star')]");
    int reputation = 
        stars.Select(star => star.Attributes["class"].Value.Split(new[] {' '})[1])
             .Select(kind => starValues[kind])
             .Sum();
    Console.WriteLine("Reputation: {0}", reputation);

    var presence = document.DocumentNode.SelectNodes("//div[@class='presence']").Single().InnerText;
    Console.WriteLine("Presence: {0}", presence);

    var online = presence.StartsWith("Online") && presence != "Online Status Unavailable";
    Console.WriteLine("Online: {0}", online);

    var motto = "None";
    temp = document.DocumentNode.SelectNodes("//div[@class='motto']");
    if (temp != null)
        motto = temp.Single().InnerText;
    Console.WriteLine("Motto: {0}", motto.TrimStart().TrimEnd());

    var name = document.DocumentNode.SelectNodes("//div[@class='name']/div").Single().InnerText;
    Console.WriteLine("Name: {0}", name);

    var location = document.DocumentNode.SelectNodes("//div[@class='location']/div").Single().InnerText;
    Console.WriteLine("Location: {0}", location);

    var bio = document.DocumentNode.SelectNodes("//div[@class='bio']/div").Single().InnerText;
    Console.WriteLine("Bio: {0}", bio);
    
    var name = document.DocumentNode.SelectNodes("//div[@class='name']/div").Single().InnerText;
    Console.WriteLine("Name: {0}", name);

    var location = document.DocumentNode.SelectNodes("//div[@class='location']/div").Single().InnerText;
    Console.WriteLine("Location: {0}", location);
    
    var bio = document.DocumentNode.SelectNodes("//div[@class='bio']/div").Single().InnerText;
    Console.WriteLine("Bio: {0}", bio);
    
    var imageFull = "http://avatar.xboxlive.com/avatar/" + gamertag + "/avatar-body.png";
    Console.WriteLine("Image Full: {0}", imageFull);
    
    var imageSmall = "http://avatar.xboxlive.com/avatar/" + gamertag + "/avatarpic-s.png";
    Console.WriteLine("Image Small: {0}", imageSmall);
    
    var imageLarge = "http://avatar.xboxlive.com/avatar/" + gamertag + "/avatarpic-l.png";
    Console.WriteLine("Image Large: {0}", imageLarge);
    
    var tileTemp = document.DocumentNode.SelectSingleNode("//img[@class='gamerpic']");
    var tile = tileTemp.GetAttributeValue("src", null);
    tile = tile != null ? tile.Replace("https://avatar-ssl", "http://avatar") : "Unavailable.";
    Console.WriteLine(string.Format("Tile: {0}", tile));


}

ProfileTake2.cs

private static readonly HttpClient _client = new HttpClient();

private static readonly Dictionary<string, int> _starValues
    = new Dictionary<string, int>
    {
        {"Star Empty", 0},
        {"Star Quater", 25},
        {"Star Half", 50},
        {"Star ThreeQuater", 75},
        {"Star Full", 100}
    };

private async static void ObtainProfileData(string gamertag, string region)
{
    var response = await _client.GetAsync("http://live.xbox.com/" + region + "/Profile?gamertag=" + gamertag);

    if (!response.IsSuccessStatusCode)
        return;

    var pageData = await response.Content.ReadAsStringAsync();

    var document = new HtmlDocument();
    document.LoadHtml(pageData);
        
    var documentNode = document.DocumentNode;

    var profile = new Profile { Gamertag = gamertag };

    profile.Gamerscore = documentNode.SelectSingleNode("//div[@class='gamerscore']").InnerText;

    var badgeNode = documentNode.SelectSingleNode("//div[@class='goldBadge']");
    profile.Tier = badgeNode == null ? "Silver" : "Gold";

    var starNodes = documentNode.SelectNodes("//div[starts-with(@class, 'Star')]");
    foreach (var star in starNodes)
    {
        var kind = star.GetAttributeValue("class", null);
        profile.Reputation += _starValues[kind];
    }

    profile.Presence = documentNode.SelectSingleNode("//div[@class='presence']").InnerText;

    profile.Online = profile.Presence.StartsWith("Online") && profile.Presence != "Online Status Unavailable";

    var mottoTemp = documentNode.SelectSingleNode("//div[@class='motto']");
    profile.Motto = mottoTemp == null ? "None" : mottoTemp.InnerText.Trim();

    profile.Name = documentNode.SelectSingleNode("//div[@class='name']/div").InnerText;

    profile.Location = documentNode.SelectSingleNode("//div[@class='location']/div").InnerText;

    profile.Biography = documentNode.SelectSingleNode("//div[@class='bio']/div").InnerText.Trim();

    profile.Avatar = new Avatar();
    profile.Avatar.Full = string.Format("http://avatar.xboxlive.com/avatar/{0}/avatar-body.png", gamertag);
    profile.Avatar.Small = string.Format("http://avatar.xboxlive.com/avatar/{0}/avatarpic-s.png", gamertag);
    profile.Avatar.Large = string.Format("http://avatar.xboxlive.com/avatar/{0}/avatarpic-l.png", gamertag);

    var tileTemp = documentNode.SelectSingleNode("//img[@class='gamerpic']").GetAttributeValue("src", null);
    profile.Avatar.Tile = tileTemp != null ? tileTemp.Replace("https://avatar-ssl", "http://avatar") : "Unavailable.";
}

ProfileTake3.cs

private static readonly HttpClient _client = new HttpClient();

private static readonly Dictionary<string, int> _starValues
    = new Dictionary<string, int>
    {
        {"Star Empty", 0},
        {"Star Quarter", 25},
        {"Star Half", 50},
        {"Star ThreeQuarter", 75},
        {"Star Full", 100}
    };
    
private async static void ObtainProfileData(string gamertag, string region)
{
    var response = await _client.GetAsync("http://live.xbox.com/" + region + "/Profile?gamertag=" + gamertag);

    if (!response.IsSuccessStatusCode)
        Console.WriteLine("{0} Gamertag not found.", response.StatusCode);

    var pageData = await response.Content.ReadAsStringAsync();

    var document = new HtmlDocument();
    document.LoadHtml(pageData);
        
    var documentNode = document.DocumentNode;

    var profile = new Profile { Gamertag = gamertag };

    profile.Gamerscore = documentNode.SelectSingleNode("//div[@class='gamerscore']").InnerText;

    var badgeNode = documentNode.SelectSingleNode("//div[@class='goldBadge']");
    profile.Tier = badgeNode == null ? "Silver" : "Gold";

    var starNodes = documentNode.SelectNodes("//div[starts-with(@class, 'Star')]");
    foreach (var star in starNodes)
    {
        var kind = star.GetAttributeValue("class", null);
        profile.Reputation += starValues[kind];
    }

    profile.Presence = documentNode.SelectSingleNode("//div[@class='presence']").InnerText;

    profile.Online = profile.Presence.StartsWith("Online") && profile.Presence != "Online Status Unavailable";

    var mottoNode = documentNode.SelectSingleNode("//div[@class='motto']");
    profile.Motto = mottoNode != null ? mottoNode.InnerText.Trim() : "None";

    profile.Name = documentNode.SelectSingleNode("//div[@class='name']/div").InnerText;

    profile.Location = documentNode.SelectSingleNode("//div[@class='location']/div").InnerText;

    profile.Biography = documentNode.SelectSingleNode("//div[@class='bio']/div").InnerText.Trim();

    profile.Avatar = new Avatar();
    profile.Avatar.Full = string.Format("http://avatar.xboxlive.com/avatar/{0}/avatar-body.png", gamertag);
    profile.Avatar.Small = string.Format("http://avatar.xboxlive.com/avatar/{0}/avatarpic-s.png", gamertag);
    profile.Avatar.Large = string.Format("http://avatar.xboxlive.com/avatar/{0}/avatarpic-l.png", gamertag);

    profile.Avatar.Tile = documentNode.SelectSingleNode("//img[@class='gamerpic']").GetAttributeValue("src", null);
    profile.Avatar.Tile = profile.Avatar.Tile.Replace("https://avatar-ssl", "http://avatar");
}