diff --git a/configs/config.json.example b/configs/config.json.example
index 374b1c5f5c..766b61e30e 100644
--- a/configs/config.json.example
+++ b/configs/config.json.example
@@ -22,7 +22,7 @@
       // "Rattata": { "always_catch" : true }
     },
     "release": {
-      "any": {"release_below_cp": 0, "release_below_iv": 0, "logic": "or"},
+      "any": {"release_below_cp": 0, "release_below_iv": 0, "keep_best_cp": true,  "logic": "or"},
       // "Rattata": { "always_release" : true }
     }
 }
diff --git a/configs/config.json.pokemons.example b/configs/config.json.pokemons.example
index 77d25c6baf..3c43259892 100644
--- a/configs/config.json.pokemons.example
+++ b/configs/config.json.pokemons.example
@@ -17,16 +17,16 @@
     "use_lucky_egg": false,
     "evolve_captured": false,
     "catch": {
-      "any": {"catch_above_cp": 0, "catch_above_iv": 0, "logic": "or" },
+      "any": {"catch_above_cp": 0, "catch_above_iv": 0, "keep_best_cp": true, "logic": "or" },
 
       "// Pokemons with example": { "always_catch": true },
       "// Gets filtered with release parameters": {},
 
       "// Legendary pokemons (Goes under S-Tier)": {},
-      "Lapras": { "always_catch": true },
-      "Moltres": { "always_catch": true },
-      "Zapdos": { "always_catch": true },
-      "Articuno": { "always_catch": true },
+      "Lapras": { "keep_best_cp": false, "always_catch": true },
+      "Moltres": { "keep_best_cp": false, "always_catch": true },
+      "Zapdos": { "keep_best_cp": false, "always_catch": true },
+      "Articuno": { "keep_best_cp": false, "always_catch": true },
 
       "// S-Tier pokemons (if pokemon can be evolved into tier, list the representative)": {},
       "Mewtwo": { "always_catch": true },
@@ -260,4 +260,4 @@
       "Raichu": { "release_under_cp": 708, "release_under_iv": 0.8, "cp_iv_logic": "and" },
       "Cloyster": { "release_under_cp": 717, "release_under_iv": 0.8, "cp_iv_logic": "and"}
     }
-}
\ No newline at end of file
+}
diff --git a/pokemongo_bot/cell_workers/pokemon_catch_worker.py b/pokemongo_bot/cell_workers/pokemon_catch_worker.py
index acb912de18..5bf5a108d5 100644
--- a/pokemongo_bot/cell_workers/pokemon_catch_worker.py
+++ b/pokemongo_bot/cell_workers/pokemon_catch_worker.py
@@ -324,6 +324,36 @@ def _get_catch_config_for(self, pokemon):
             catch_config = {}
         return catch_config
 
+    def _check_if_higher_cp_pokemon(self, pokemon_name, value):
+	self.api.get_inventory()
+	response_dict = self.api.call()
+	return self._check_if_higher_cp_pokemon_all(pokemon_name, value, response_dict)
+
+    def _check_if_higher_cp_pokemon_all(self, pokemon_name, value, response_dict):
+	try:
+	    reduce(dict.__getitem__, [
+	    "responses", "GET_INVENTORY", "inventory_delta", "inventory_items"], response_dict)
+	except KeyError:
+	    pass
+	else:
+	    for item in response_dict['responses']['GET_INVENTORY']['inventory_delta']['inventory_items']:
+		try:
+	    	    reduce(dict.__getitem__, [
+	    	    "inventory_item_data", "pokemon"], item)
+		except KeyError:
+	    	    pass
+		else:
+	    	    pokemon = item['inventory_item_data']['pokemon']
+	    	    if self._check_if_cp_higher(value, pokemon_name, pokemon):
+			return True						
+	return False
+
+    def _check_if_cp_higher(self, value, pokemon_name, pokemon):
+	if 'name' in pokemon and pokemon['name'] == pokemon_name:
+	    if 'cp' in pokemon and pokemon['cp'] > value:
+		return True
+	return False
+		
     def should_release_pokemon(self, pokemon_name, cp, iv, response_dict):
         release_config = self._get_release_config_for(pokemon_name)
         cp_iv_logic = release_config.get('logic')
@@ -341,6 +371,10 @@ def should_release_pokemon(self, pokemon_name, cp, iv, response_dict):
         if release_config.get('always_release', False):
             return True
 
+	if release_config.get('keep_best_cp', False):
+	    if not self._check_if_higher_cp_pokemon(pokemon_name, cp):
+		return False
+				
         release_cp = release_config.get('release_below_cp', 0)
         if cp < release_cp:
             release_results['cp'] = True
@@ -372,3 +406,4 @@ def _get_release_config_for(self, pokemon):
         if not release_config:
             release_config = {}
         return release_config
+