Reducing queries for up_matches on mat model

app/models/mat.rb

@@ -10,7 +10,7 @@ class Mat < ActiveRecord::Base
 	end
 	
 	def unfinishedMatches
-		matches.where(finished: nil).order(:bout_number)	
+		matches.select{|m| m.finished == nil}.sort_by{|m| m.bout_number}
 	end
 	
 end