diff --git a/branches/paradiseo-moeo-1.0/src/moeoRouletteSelect.h b/branches/paradiseo-moeo-1.0/src/moeoRouletteSelect.h
index 8ea1ef10e..b22879e3d 100644
--- a/branches/paradiseo-moeo-1.0/src/moeoRouletteSelect.h
+++ b/branches/paradiseo-moeo-1.0/src/moeoRouletteSelect.h
@@ -24,75 +24,41 @@ template < class MOEOT >
 {
 public:
 
-	/**
-	 * Full Ctor
-	 * @param _evalFitness the population fitness assignment
-	 * @param _evalDiversity the population diversity assignment
-	 * @param _comparator the comparator to compare the individuals
-	 * @param _total 
-	 */
-	moeoRouletteSelect (moeoFitnessAssignment < MOEOT > &_evalFitness, moeoDiversityAssignment < MOEOT > &_evalDiversity, moeoComparator < MOEOT > &_comparator, double _total=1 ):evalFitness (_evalFitness), evalDiversity (_evalDiversity),
-    comparator (_comparator), total (_total) {}
 
 	/**
-	 * Ctor without comparator. A moeoFitnessThenDiversityComparator is used as default.
-	 * @param _evalFitness the population fitness assignment
-	 * @param _evalDiversity the population diversity assignment
-	 * @param _total 
-	 */
-	moeoRouletteSelect (moeoFitnessAssignment < MOEOT > &_evalFitness, moeoDiversityAssignment < MOEOT > &_evalDiversity)
-		:evalFitness (_evalFitness), evalDiversity (_evalDiversity)
-	    
-	  {
-	  	 // a moeoFitThenDivComparator is used as default
-	    moeoFitnessThenDiversityComparator < MOEOT > &fitThenDivComparator;
-	    comparator = fitThenDivComparator;
-	  }
-	  
-	/**
-	 * Ctor without diversity assignment. A dummy diversity assignment is used.
-	 * @param _evalFitness the population fitness assignment
-	 * @param _comparator the comparator to compare the individuals
-	 * @param _total
-	 */
-moeoRouletteSelect (moeoFitnessAssignment < MOEOT > &_evalFitness, moeoComparator < MOEOT > &_comparator, double _total=1):evalFitness (_evalFitness), comparator (_comparator),
-    total
-    (_total)
-  {
-    // a dummy diversity is used as default
-    moeoDummyDiversityAssignment < MOEOT > &dummyDiversityAssignment;
-    evalDiversity = dummyDiversityAssignment;
-  }
+     * Full Ctor.
+     * @param _comparator the comparator (used to compare 2 individuals)
+     * @param _tSize the number of individuals in the tournament (default: 2)
+     */
+    moeoRouletteSelect (moeoComparator < MOEOT > &_comparator, unsigned _tSize = 2):
+            comparator (_comparator), tSize (_tSize)
+    {
+        // consistency check
+        if (tSize < 2)
+        {
+            std::
+            cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
+            tSize = 2;
+        }
+    }
 
 
-     /**
-	 * Ctor without diversity assignment nor comparator. A moeoDummyDiversityAssignment and a moeoFitnessThenDiversityComparator are used as default.
-	 * @param _evalFitness the population fitness assignment
-	 * @param _total
-	 */
-moeoRouletteSelect (moeoFitnessAssignment < MOEOT > &_evalFitness, double _total=1):evalFitness (_evalFitness),
-    total (_total)
-  {
-    // a dummy diversity is used as default
-    moeoDummyDiversityAssignment < MOEOT > &dummyDiversityAssignment;
-    evalDiversity = dummyDiversityAssignment;
-
-    // a moeoFitThenDivComparator is used as default
-    moeoFitnessThenDiversityComparator < MOEOT > &fitThenDivComparator;
-    comparator = fitThenDivComparator;
-  }
-  
-	/*
-	 * Evaluate the fitness and the diversity of each individual of the population.
-	 */
-	 void setup (eoPop<MOEOT>& _pop)
-      {
-      		// eval fitness
-      		evalFitness(_pop);
-      		
-      		// eval diversity
-      		evalDiversity(_pop);      
-      }
+    /**
+    * Ctor without comparator. A moeoFitnessThenDiversityComparator is used as default.
+    * @param _tSize the number of individuals in the tournament (default: 2)	 
+    */
+    moeoRouletteSelect (unsigned _tSize = 2):
+            comparator (*(new moeoFitnessThenDiversityComparator < MOEOT > ())),
+            tSize (_tSize)
+    {
+        // consistency check
+        if (tSize < 2)
+        {
+            std::
+            cout << "Warning, Tournament size should be >= 2\nAdjusted to 2\n";
+            tSize = 2;
+        }
+    }
 
   /**
    *  Apply the tournament to the given population
@@ -106,13 +72,9 @@ moeoRouletteSelect (moeoFitnessAssignment < MOEOT > &_evalFitness, double _total
 
 protected:
 
-	moeoFitnessAssignment < MOEOT > &evalFitness;
-
-	moeoDiversityAssignment < MOEOT > &evalDiversity;
-
 	moeoComparator < MOEOT > &comparator;
 
-	double total;
+	double & total;
 
 };