diff --git a/src/image_analyzer.py b/src/image_analyzer.py
--- a/src/image_analyzer.py
+++ b/src/image_analyzer.py
@@ -14,7 +14,9 @@ class ImageAnalyzer:
 
 	# let's not concern ourselves with sizecoef and shift here anymore. we want corners to come already properly recomputed
 	def analyze(self,image):
-		if self.grid==None: return False
+		if self.grid==None:
+			log.info("ImageAnalyzer.analyze() aborted: no grid available.")
+			return False
 
 		for r in range(19):
 			for c in range(19):
@@ -22,6 +24,9 @@ class ImageAnalyzer:
 
 				self.board[r][c]=self.analyzePoint(image,r,c,intersection,*(self.grid.stoneSizeAt(r,c)))
 
+		boardStr="\n".join(str(row) for row in self.board)
+		log.info("board analyzed:\n%s",boardStr)
+
 	def analyzePoint(self,image,row,col,imageCoords,stoneWidth,stoneHeight):
 		b=w=e=0