diff --git a/src/core.py b/src/core.py
--- a/src/core.py
+++ b/src/core.py
@@ -1,6 +1,7 @@
 import multiprocessing
 import logging as log
 import PIL
+from util import MsgQueue
 from gui import gui
 from image_analyzer import ImageAnalyzer
 from go import Go
@@ -14,35 +15,28 @@ class Core:
 		self.tresW=60.0
 		self.tresB=30.0
 
-		self._msgQueue=multiprocessing.Queue()
-		self._guiQueue=multiprocessing.Queue()
-		self._incomingEvent=multiprocessing.Event()
-		self._guiEvent=multiprocessing.Event()
+		self._ownMessages=MsgQueue(self._handleEvent)
+		self._guiMessages=MsgQueue()
 
 		self._frame=PIL.Image.open("../images/7.jpg")
 
-		self._guiProc=multiprocessing.Process(name="gui", target=gui, args=(self._guiQueue,self._guiEvent,self._msgQueue,self._incomingEvent))
+		self._guiProc=multiprocessing.Process(name="gui", target=gui, args=(self._guiMessages,self._ownMessages))
 		self._guiProc.start()
-		self._guiQueue.put(("setCurrentFrame",(self._frame,),dict()))
-		self._guiEvent.set()
+		self._guiMessages.send("setCurrentFrame",(self._frame,))
 
 	def setCorners(self,corners):
 		self.detector.setGridCorners(corners)
 		self.detector.analyze(self._frame)
-		for r in self.detector.board: log.info(r)
+		self._guiMessages.send("setGameState",(self.detector.board,))
 
 	def setTresholds(self,tresB=None,tresW=None):
 		if tresB is not None: self.tresB=tresB
 		if tresW is not None: self.tresW=tresW
+		if self.detector.analyze(self._frame):
+			self._guiMessages.send("setGameState",(self.detector.board,))
 
 	def listen(self):
-		while True:
-			self._incomingEvent.wait()
-			msg=self._msgQueue.get()
-			if self._msgQueue.empty():
-				self._incomingEvent.clear()
-			log.info(msg)
-			self._handleEvent(msg)
+		self._ownMessages.listen()
 
 	def _handleEvent(self,e):
 		actions={"setCorners":self.setCorners, "setTresholds":self.setTresholds}