Trying to remove queries and rely on associations

app/models/match.rb

@@ -14,8 +14,8 @@ class Match < ActiveRecord::Base
 
 	def advance_wrestlers
 	   if self.w1? && self.w2?	
-		@w1 = Wrestler.find(self.w1)
+		@w1 = wrestler1
-		@w2 = Wrestler.find(self.w2)
+		@w2 = wrestler2
 		@w1.advanceInBracket
 		@w2.advanceInBracket
 		self.mat.assignNextMatch
@@ -66,7 +66,7 @@ class Match < ActiveRecord::Base
 		end
 	end
 	def weight_max
-		Weight.find(self.weight_id).max
+		self.weight.max
 	end
 	
 	def replaceLoserNameWithWrestler(w,loserName)
@@ -81,7 +81,7 @@ class Match < ActiveRecord::Base
 	end
 	def poolNumber
 		if self.w1?
-			Wrestler.find(self.w1).generatePoolNumber
+			wrestler1.generatePoolNumber
 		end
 	end
 end

app/models/weight.rb

@@ -103,8 +103,7 @@ class Weight < ActiveRecord::Base
 	end
 
 	def bracket_size
-		@wrestlers = Wrestler.where(weight_id: self.id)
+		wrestlers.size
-		return @wrestlers.size
 	end
 
 	def pool_bracket_type

app/models/wrestler.rb

@@ -2,6 +2,7 @@ class Wrestler < ActiveRecord::Base
 	belongs_to :school
 	belongs_to :weight
 	has_one :tournament, through: :weight
+	has_many :matches, through: :weight
 	attr_accessor :poolNumber
 
 	before_save do
@@ -44,7 +45,7 @@ class Wrestler < ActiveRecord::Base
 	end
 
 	def allMatches
-		@matches = Match.where("w1 = ? or w2 = ?",self.id,self.id)
+		@matches = matches.select{|m| m.w1 == self.id or m.w2 == self.id}
 		return @matches
 	end