diff --git a/src/Backend.cs b/src/Backend.cs
index 579d723..2d89187 100644
--- a/src/Backend.cs
+++ b/src/Backend.cs
@@ -1,6 +1,7 @@
 using System.Net.Sockets;
 using System.Collections.Generic;
 using System.Threading;
+using System;
 
 namespace WorldOfPeacecraft
 {
@@ -20,6 +21,10 @@ namespace WorldOfPeacecraft
 		private AutoResetEvent InitializedEvent = new AutoResetEvent(false);
 		private bool initialized = false;
 		private Pathwalker Pathwalker = new Pathwalker();
+        private Func<Player, bool> isNotBusy = (Player p) => !p.GetBusy();
+        private Func<String, Player, bool> name = (String searchName, Player p) => searchName==p.GetName();
+        private Func<int, Player, Player, bool> rangePlayer = (int maxDis, Player me, Player friend) => maxDis <= distance = new int(Math.Abs (me.GetX() - friend.GetX()) + Math.Abs (me.GetY() - friend.GetY());
+
 
 		public Backend (IGui gui)
 		{