old_contents: from django.conf.urls import patterns, include, url
  from chess import views
  from django.contrib import admin
  admin.autodiscover()
  
  urlpatterns = patterns('',
      # Examples:
      # url(r'^$', 'chessfellows.views.home', name='home'),
      # url(r'^blog/', include('blog.urls')),
  
      url(r'^admin/', include(admin.site.urls)),
      url(r'^', include('chess.urls')),
      url(r'^', include('registration.backends.default.urls')),
  )
  
new_contents: from django.conf.urls import patterns, include, url
  from chess import views
  from django.contrib import admin
  admin.autodiscover()
  
  urlpatterns = patterns('',
      # Examples:
      # url(r'^$', 'chessfellows.views.home', name='home'),
      # url(r'^blog/', include('blog.urls')),
  
      url(r'^admin/', include(admin.site.urls)),
      url(r'', include('chess.urls')),
      url(r'', include('registration.backends.default.urls')),
  )
  
subject: Remove extra ^ in regex expressions in urls.py