anchor.diff:        </tr>
         <tr>
           <td>Specific events</td>
  -        <td><%= @calculation.rules.specific_events? %></td>
           <td>
             <% if @calculation.rules.specific_events? %>
             Results only from a set of events
  
positive.code:     <tbody>
        <tr>
          <td>Association sanctioned only</td>
          <td><%= @calculation.rules.association_sanctioned_only? %></td>
          <td>
            <% if @calculation.rules.association_sanctioned_only? %>
            Events must be sanctioned by <%= RacingAssociation.current.short_name %>
  
negative.code:       </tr>
        <tr>
          <td>Missing result penalty</td>
          <td>
            <% if @calculation.rules.missing_result_penalty %>
            If a team has fewer than the required results per event, they receive penalty points
  