diff --git a/S1/Echecs/echecs.py b/S1/Echecs/echecs.py
index f0d84c0..c388873 100755
--- a/S1/Echecs/echecs.py
+++ b/S1/Echecs/echecs.py
@@ -131,7 +131,10 @@ class LogiqueEchecs:
             return MVT_N_AUTORISE
 
     def mvtPossibleCavalier(self, x1, y1, x2, y2):
-            return MVT_PION_INC
+        if (abs(x2-x1) == 2 and abs(y2-y1) == 1) or (abs(y2-y1) == 2 and abs(x2-x1) == 1):
+            return MVT_OK
+        else:
+            return MVT_N_AUTORISE
 
     def mvtPossible(self, x1, y1, x2, y2):
         pion = self.grille[x1][y1]