diff --git a/app/views/problems/stat.rhtml b/app/views/problems/stat.rhtml
--- a/app/views/problems/stat.rhtml
+++ b/app/views/problems/stat.rhtml
@@ -5,7 +5,8 @@
 <% if @submissions!=nil %>
   <table class="info">
   <tr class="info-head">
-    <th>user_id</th>
+    <th>login</th>
+    <th>name</th>
     <th>submitted_at</th>
     <th>points</th>
     <th>comment</th>
@@ -13,6 +14,7 @@
   <% count = 0 %>
   <% @submissions.each do |sub| %>
     <tr class="<%= (count % 2 ==0) ? "info-even" : "info-odd" %>">
+    <td><%= sub.user.login %></td>
     <td><%= sub.user.full_name if sub.user %></td>
     <td><%= sub.submitted_at.to_s %></td>
     <td><%= sub.points %></td>