anchor.diff:      <table class="table">
         <thead>
           <tr>
  +          <th>Rank</th>
             <th>Player</th>
             <th>Rating</th>
             <th class="hidden-phone">Games</th>
  
positive.code:         </tr>
        </thead>
        <tbody>
          <% @elo_ratings.each do |rating| %>
            <tr>
              <td><%= gravatar_image_tag rating.user.email %> <%= rating.user.name %></td>
              <td><%= rating.rating %></td>
              <td class="hidden-phone"><%= rating.games_played %></td>
  
negative.code:     <table class="table">
        <thead>
          <tr>
            <th>Rank</th>
            <th>Player</th>
            <th>Rating</th>
            <th></th>
          </tr>
        </thead>
        <tbody>
          <% @ranks.each_with_index do |rank, index| %>
            <tr>
              <td><%= index + 1 %></td>
              <td><%= gravatar_image_tag rank.user.email %> <%= rank.user.name %></td>
              <td><%= render_rank rank %></td>
              <td>
  