diff --git a/app/models/problem.rb b/app/models/problem.rb
new file mode 100644
--- /dev/null
+++ b/app/models/problem.rb
@@ -0,0 +1,7 @@
+class Problem < ActiveRecord::Base
+
+  def self.find_available_problems
+    find(:all, :conditions => {:available => true})
+  end
+
+end