diff --git a/play_ttt.py b/play_ttt.py
index 2ecaba1..24a123f 100644
--- a/play_ttt.py
+++ b/play_ttt.py
@@ -10,13 +10,16 @@ player1 = TTTHumanPlayer("Player 2")
 game = TTTGame()
 view = TTTView(player0, player1)
 
+#creates initial state
 state = game.get_initial_state()
 view.greet()
 
 """
 while loop that checks if game is over if its not...
 """
+#gets passed blank board
 while not game.is_over(state):
+    #take action and update board
     action = view.get_action(state)
     state = game.get_next_state(state, action)
 view.conclude(state)
diff --git a/ttt/game.py b/ttt/game.py
index 2f0e302..13dc3f1 100644
--- a/ttt/game.py
+++ b/ttt/game.py
@@ -22,6 +22,7 @@ class TTTGame:
 
     def get_actions(self, state):
         "Returns a list of the indices of empty spaces"
+                #False bc blank        #false bc no makers         #false because no markers
         return [index for index in range(9) if state["board"][index] == '-']
 
     def is_over(self, state):
@@ -58,4 +59,17 @@ class TTTGame:
 
     def check_winner(self, state, symbol):
         "Checks whether the player with `symbol` has won the game."
+        currentState = state["board"]
+        #possible tictactoes: 012 345 678 036 147 258 048 246
+        for i in range(0, 7, 3):
+            if currentState[i] == symbol and currentState[i + 1] == symbol and currentState[i+2] == symbol:
+                return True
+        for i in range(3):
+            if currentState[i] == symbol and currentState[i+3] == symbol and currentState[i+6] == symbol:
+                return True
+        if currentState[0] == symbol and currentState[4] == symbol and currentState[8] == symbol:
+            return True
+        if currentState[2] == symbol and currentState[4] == symbol and currentState[6] ==symbol:
+            return True
+
         return False