diff --git a/individu.py b/individu.py
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..02c676cb171bfb49572264d1c6d4f55371c35ec2 100644
--- a/individu.py
+++ b/individu.py
@@ -0,0 +1,33 @@
+from table_rotation import table_rotation
+from traj3D import *
+import numpy as np
+from math import sqrt
+
+class Individu():
+
+    def __init__(self, rot_table):
+        self.rot_table = rot_table
+        self.score = None
+    
+    def evaluate(self, brin):
+        traj = Traj3D()
+        traj.compute(brin, self.rot_table)
+        traj_array = np.array(traj.getTraj())
+
+        first_nucleotide = traj_array[0, :]
+        last_nucleotide = traj_array[-1, :]
+        distance = sqrt(sum((last_nucleotide - last_nucleotide) ** 2))
+
+        first_name = brin[0]
+        last_name = brin[-1]
+
+        rot_computed = rot_table[last_name+first_name]
+        rot_traj = first_name - last_name
+        diff_angle = sum(abs(rot_computed - rot_traj))
+
+        self.score = 1/(distance + diff_angle)
+        
+    
+    def mutation(self):
+
+        return mutation