diff --git a/field.py b/field.py
index f17813f..7182537 100644
--- a/field.py
+++ b/field.py
@@ -1,4 +1,5 @@
 #!/usr/bin/python
+from copy import copy
 
 from tetromino import Tetromino
 
@@ -59,7 +60,7 @@ class Field():
     def rotate_state(self):
         self.state = self.rotate_90_degree_anticlckwise(self.state)
         #self.state = self.matrixflip(self.state, 'v')
-        print(self.state)
+        #print(self.state)
 
     def get_line_count(self):
         return self.cleared_rows
@@ -148,6 +149,18 @@ class Field():
         self._line_clear()
         return row
 
+
+
+    def predict_gaps_in_next_rotation(self):
+        tmp_state = copy(self.state)
+        tmp_state = self.rotate_90_degree_anticlckwise(tmp_state)
+        for row in range(int(self.HEIGHT/2)):
+            tmp_state[row] = [' ' for cols in range(Field.WIDTH)]
+        return sum(
+            ["".join([row[col] for row in tmp_state]).lstrip().count(' ')
+             for col in range(Field.WIDTH)])
+
+
     def count_gaps(self):
         """
         Check each column one by one to make sure there are no gaps in the
diff --git a/litris.py b/litris.py
index 289dc48..73969d4 100644
--- a/litris.py
+++ b/litris.py
@@ -90,17 +90,18 @@ class Litris(GameBase):
             self.drop_down()
             print(self.field)
             if self.field.get_line_count() >= 6 and self.field.height() <= 2:
-                self.update_move_mode()
-                self.field.rotate_state()
-                #self.update_move_mode()
-                self.field.reset_half_field()
-                #field_mem = copy(self.field)
-                #self.field = copy(self.field_mem)
-                #self.field_mem = copy(field_mem)
+                if self.field.predict_gaps_in_next_rotation() <= 6:
+                    self.update_move_mode()
+                    self.field.rotate_state()
+                    #self.update_move_mode()
+                    self.field.reset_half_field()
+                    #field_mem = copy(self.field)
+                    #self.field = copy(self.field_mem)
+                    #self.field_mem = copy(field_mem)
 
-                self.field.cleared_rows = 1
+                    self.field.cleared_rows = 1
 
-                cv.waitKey(200)
+                    cv.waitKey(200)
             self.stone_id_thread.set_pick_up_status(False)