diff --git a/app/controllers/problems_controller.rb b/app/controllers/problems_controller.rb
new file mode 100644
--- /dev/null
+++ b/app/controllers/problems_controller.rb
@@ -0,0 +1,68 @@
+class ProblemsController < ApplicationController
+
+  before_filter :authenticate, :authorization
+
+  def index
+    list
+    render :action => 'list'
+  end
+
+  # GETs should be safe (see http://www.w3.org/2001/tag/doc/whenToUseGet.html)
+  verify :method => :post, :only => [ :destroy, :create, :update ],
+         :redirect_to => { :action => :list }
+
+  def list
+    @problem_pages, @problems = paginate(:problems, 
+                                         :per_page => 10,
+                                         :order => 'date_added DESC')
+  end
+
+  def show
+    @problem = Problem.find(params[:id])
+  end
+
+  def new
+    @problem = Problem.new
+  end
+
+  def create
+    @problem = Problem.new(params[:problem])
+    if @problem.save
+      flash[:notice] = 'Problem was successfully created.'
+      redirect_to :action => 'list'
+    else
+      render :action => 'new'
+    end
+  end
+
+  def edit
+    @problem = Problem.find(params[:id])
+  end
+
+  def update
+    @problem = Problem.find(params[:id])
+    if @problem.update_attributes(params[:problem])
+      flash[:notice] = 'Problem was successfully updated.'
+      redirect_to :action => 'show', :id => @problem
+    else
+      render :action => 'edit'
+    end
+  end
+
+  def destroy
+    Problem.find(params[:id]).destroy
+    redirect_to :action => 'list'
+  end
+
+  def toggle_avail
+    problem = Problem.find(params[:id])
+    problem.available = !(problem.available)
+    problem.save
+    redirect_to :action => 'list'
+  end
+
+  def stat
+    @problem = Problem.find(params[:id])
+    @submissions = Submission.find_last_by_problem(params[:id])
+  end
+end