diff --git a/GameManager.js b/GameManager.js
index b407f8b..0f8d923 100644
--- a/GameManager.js
+++ b/GameManager.js
@@ -31,8 +31,9 @@ class GameManager {
         return result;
     }
     claculatePlayerHp(aAttack, aDefender) {
-        if (aAttack.mAttack > aDefender.mDefener) {
-            aDefender.mHp -= aAttack.mAttack - aDefender.mDefener;
+        let realDefender = Math.floor(aDefender.mDefener * (1 - 0.1 * aAttack.mAgile));
+        if (aAttack.mAttack > realDefender) {
+            aDefender.mHp -= aAttack.mAttack - realDefender;
         }
     }
     claculateRanking(aPlayers) {
diff --git a/GameManager.ts b/GameManager.ts
index 4758788..22de640 100644
--- a/GameManager.ts
+++ b/GameManager.ts
@@ -40,9 +40,10 @@ export class GameManager
 
     claculatePlayerHp(aAttack:Player, aDefender:Player)
     {
-        if(aAttack.mAttack > aDefender.mDefener)
+        let realDefender = Math.floor(aDefender.mDefener * (1 - 0.1 * aAttack.mAgile));
+        if(aAttack.mAttack > realDefender)
         {
-            aDefender.mHp -= aAttack.mAttack - aDefender.mDefener;
+            aDefender.mHp -= aAttack.mAttack - realDefender;
         }
     }