diff --git a/DecMCTS.py b/DecMCTS.py
index d1a7efd5372ba4b13671d861ebcb6a0364120496..6520a7690136fb0047e8f8c664d4f2bff42c9bce 100644
--- a/DecMCTS.py
+++ b/DecMCTS.py
@@ -233,11 +233,14 @@ class Tree:
         state = self._get_system_state(start_node)
 
         # Propagate down the tree
+        # check how _select handles mu, N = 0
         while len(self._childNodes(start_node))>0:
             start_node = self._select(self._childNodes(start_node))
 
         ### EXPANSION
+        # check if _expansion changes start_node to the node after jumping
         self._expansion(start_node)
+        print(self._childNodes(start_node))
 
         ### SIMULATION
         avg_reward = 0