diff --git a/src/go/helperboard.py b/src/go/helperboard.py
--- a/src/go/helperboard.py
+++ b/src/go/helperboard.py
@@ -39,6 +39,10 @@ class HelperBoard:
 		for i in range(self._visitedCount):
 			yield (self._visited[i*2],self._visited[i*2+1])
 
+	def getLiberties(self):
+		for i in range(self._libCount):
+			yield (self._libs[i*2],self._libs[i*2+1])
+
 	def clear(self):
 		for i in range(self._visitedCount):
 			(r,c)=(self._visited[i*2],self._visited[i*2+1])