diff --git a/cli.py b/cli.py
index d6a22bc..1148d29 100644
--- a/cli.py
+++ b/cli.py
@@ -1,8 +1,13 @@
 #!/usr/bin/env python
 
 from board2 import Board
+from board2 import BoardTools
 from pos import TwoDPos
 from pos import TwoDUtils
+from node import Node
+
+class StateError(BaseException):
+    pass
 
 piecemaps = {
         0: '.',
@@ -11,6 +16,36 @@ piecemaps = {
 }
 mappings = TwoDUtils.reverse
 
+def tree_of_node(node):
+    parent = node
+    print("considering board with moveset " + str(parent.inner.moves))
+
+    possible = parent.inner.possible()
+    if len(possible) != 0:
+        print("permuting!")
+        for i in possible:
+            copy = parent.inner.copy()
+            copy.append(i)
+            childnode = Node()
+            childnode.inner = copy
+            parent.children.append(childnode)
+        for i in parent.children:
+            tree_of_node(i)
+    else:
+        print("calculated score")
+        rawscore = BoardTools.winning(None, parent.inner.metaboard())
+        if rawscore == Board.cross:
+            score = -1
+        elif rawscore == Board.nought:
+            score = 1
+        elif rawscore == Board.tie:
+            score = 0
+        else:
+            score = None
+            raise StateError("aaaa")
+
+        print("score" + str(score))
+
 def render(board):
     print("123   456   789")
     moves = board.possible()
@@ -36,7 +71,7 @@ def render(board):
 
     print("to play: " + str(board.turn))
 
-def help():
+def help_text():
     print("m - make a move")
     print("p - see coordinates of legal moves")
     print("t - see whose turn it is")
@@ -59,7 +94,7 @@ def main():
     b = Board()
     print("type h for help")
     while True:
-        try:
+#        try:
             cmd = input("> ")
             spl = cmd.split(' ')
             if spl[0] == "m":
@@ -71,11 +106,18 @@ def main():
             elif spl[0] == "r":
                 render(b)
             elif spl[0] == "h":
-                render(b)
+                help_text()
+            elif spl[0] == "z":
+                # create node from current board
+                node = Node()
+                node.inner = b
+
+                tree_of_node(node)
+
             elif spl[0] == "q":
                 break;
-        except:
-            print("error occured")
+#        except:
+#            print("error occured")
     return
 
 if __name__ == "__main__":
diff --git a/node.py b/node.py
index 72626b0..f2fc64c 100644
--- a/node.py
+++ b/node.py
@@ -4,6 +4,7 @@ class Node:
     def __init__(self):
         self.children = []
         self.score = None
+        self.inner = None
     def calculate(self):
         if self.children == []:
             return self.score
@@ -14,5 +15,3 @@ class Node:
             if score != None:
                 items += 1
                 total += score
-
-