diff --git a/ietf/doc/models.py b/ietf/doc/models.py
index 6b850e98a..5e199c695 100644
--- a/ietf/doc/models.py
+++ b/ietf/doc/models.py
@@ -509,6 +509,10 @@ class Document(DocumentInfo):
             e = self.latest_event(TelechatDocEvent, type="scheduled_for_telechat")
         return e.telechat_date if e and e.telechat_date and e.telechat_date >= datetime.date.today() else None
 
+    def past_telechat_date(self):
+        e = self.latest_event(TelechatDocEvent, type="scheduled_for_telechat")
+        return e.telechat_date if e and e.telechat_date and e.telechat_date < datetime.date.today() else None
+
     def area_acronym(self):
         g = self.group
         if g:
diff --git a/ietf/group/views_review.py b/ietf/group/views_review.py
index 9f757713a..41791cb8f 100644
--- a/ietf/group/views_review.py
+++ b/ietf/group/views_review.py
@@ -26,7 +26,9 @@ from ietf.review.utils import (can_manage_review_requests_for_team,
                                reviewer_rotation_list,
                                latest_review_requests_for_reviewers,
                                augment_review_requests_with_events,
-                               get_default_filter_re,)
+                               get_default_filter_re,
+                               days_needed_to_fulfill_min_interval_for_reviewers,
+                              )
 from ietf.doc.models import LastCallDocEvent
 from ietf.group.models import Role
 from ietf.group.utils import get_group_or_404, construct_group_menu_context
@@ -142,6 +144,8 @@ def reviewer_overview(request, acronym, group_type=None):
     req_data_for_reviewers = latest_review_requests_for_reviewers(group)
     review_state_by_slug = { n.slug: n for n in ReviewRequestStateName.objects.all() }
 
+    days_needed = days_needed_to_fulfill_min_interval_for_reviewers(group)
+
     for person in reviewers:
         person.settings = reviewer_settings.get(person.pk) or ReviewerSettings(team=group, person=person)
         person.settings_url = None
@@ -155,6 +159,8 @@ def reviewer_overview(request, acronym, group_type=None):
         person.completely_unavailable = any(p.availability == "unavailable"
                                        and (p.start_date is None or p.start_date <= today) and (p.end_date is None or today <= p.end_date)
                                        for p in person.unavailable_periods)
+        person.busy = person.id in days_needed 
+        
 
         MAX_CLOSED_REQS = 10
         req_data = req_data_for_reviewers.get(person.pk, [])
diff --git a/ietf/static/ietf/css/ietf.css b/ietf/static/ietf/css/ietf.css
index 025bc0168..a58f4cce2 100644
--- a/ietf/static/ietf/css/ietf.css
+++ b/ietf/static/ietf/css/ietf.css
@@ -550,7 +550,15 @@ table.simple-table td:last-child {
 }
 
 .reviewer-overview .completely-unavailable {
-  opacity: 0.6;
+  background-color: #D8D8D8;
+}
+
+.reviewer-overview .skip-next {
+  background-color: #E4E4E4;
+}
+
+.reviewer-overview .busy {
+  background-color: #F0F0F0;
 }
 
 /* === Statistics =========================================================== */
diff --git a/ietf/templates/group/manage_review_requests.html b/ietf/templates/group/manage_review_requests.html
index 3ff06116e..d52c0f6cf 100644
--- a/ietf/templates/group/manage_review_requests.html
+++ b/ietf/templates/group/manage_review_requests.html
@@ -148,6 +148,7 @@
 
             <span class="close-action">
               <button type="button" class="btn btn-default btn-danger">Close...</button>
+              {% if r.doc.past_telechat_date %} (was on {{r.doc.past_telechat_date}} telechat) {% endif %}
             </span>
 
             <span class="close-controls form-inline">
diff --git a/ietf/templates/group/reviewer_overview.html b/ietf/templates/group/reviewer_overview.html
index a2fd85205..d780f9e43 100644
--- a/ietf/templates/group/reviewer_overview.html
+++ b/ietf/templates/group/reviewer_overview.html
@@ -16,7 +16,13 @@
   <h2>Reviewers</h2>
 
   <p>Status of the reviewers in {{ group.acronym }}, ordered by their
-    rotation with the next reviewer in the rotation at the top.</p>
+    rotation with the next reviewer in the rotation at the top. Rows with darker backgrounds have the following meaning:
+  </p>
+  <div class="reviewer-overview">
+    <p class="busy">Has already been assigned a document within the given interval.</p>
+    <p class="skip-next">Will be skipped the next time at the top of rotation.</p>
+    <p class="completely-unavailable">Is not available to do reviews at this time.</p>
+  </div>
 
   {% if reviewers %}
     <table class="table reviewer-overview">
@@ -29,7 +35,10 @@
       </thead>
       <tbody>
         {% for person in reviewers %}
-          <tr {% if person.completely_unavailable %}class="completely-unavailable"{% endif %}>
+          <tr {% if person.completely_unavailable %}class="completely-unavailable"
+              {% elif person.busy %}class="busy"
+              {% elif person.settings.skip_next %}class="skip-next"
+              {% endif %}>
             <td>{% if person.settings_url %}<a href="{{ person.settings_url }}">{% endif %}{{ person }}{% if person.settings_url %}</a>{% endif %}</td>
             <td>
               <table class="simple-table">