diff --git a/main.py b/main.py
index f9bca0e..a5c41d8 100644
--- a/main.py
+++ b/main.py
@@ -7,6 +7,7 @@
 
 """
 import random
+import sys, getopt
 
 class TicTacToe:
 	def __init__(self):
@@ -16,20 +17,20 @@ class TicTacToe:
 
 	def run(self):
 		while True:
-			self.board.make_move(self.player1.token, self.player1.choose_random_field(self.board.emptyFields))
+			self.board.make_move(self.player1.token, self.player1.choose_random_field(self.board.empty_fields))
 			self.board.print()
-			if self.board.isWin(self.player1.token, self.player1.name):
+			if self.board.is_win(self.player1.token, self.player1.name):
 				break
 
-			self.board.make_move(self.player2.token, self.player2.choose_random_field(self.board.emptyFields))
+			self.board.make_move(self.player2.token, self.player2.choose_random_field(self.board.empty_fields))
 			self.board.print()
-			if self.board.isWin(self.player2.token, self.player2.name):
+			if self.board.is_win(self.player2.token, self.player2.name):
 				break
 
 class Board:
 	def __init__(self):
 		self.state = list(" "*9)
-		self.emptyFields = [0, 1, 2, 3, 4, 5, 6, 7, 8]
+		self.empty_fields = [0, 1, 2, 3, 4, 5, 6, 7, 8]
 
 	def print(self):
 		board = ""+ self.state[0] +"|"+self.state[1] +"|"+self.state[2] +" \n-|-|-\n"+self.state[3] +"|"+self.state[4] +"|"+self.state[5] +"\n-|-|-\n"+self.state[6] +"|"+self.state[7] +"|"+self.state[8] +"\n"
@@ -38,11 +39,11 @@ class Board:
 	def make_move(self, token, field):
 		if self.state[field] == " ":
 			self.state[field] = token
-			self.emptyFields.remove(field)
+			self.empty_fields.remove(field)
 		else:
 			print("This field's taken.")
 
-	def isWin(self, token, name):
+	def is_win(self, token, name):
 		if((self.state[0] == token and self.state[1] == token and self.state[2] == token) or
 		(self.state[0] == token and self.state[4] == token and self.state[8] == token) or
 		(self.state[0] == token and self.state[3] == token and self.state[6] == token) or
@@ -66,12 +67,16 @@ class Player:
 		self.token = token 
 		self.name = name
 
-	def choose_random_field(self, emptyFields):
-			return random.choice(emptyFields)			 
+	def choose_random_field(self, empty_fields):
+			return random.choice(empty_fields)			 
 
 
+opts, args = getopt.getopt(sys.argv[1:], "n:", ["numberofrounds="])
+number_of_rounds = None
+for opt, arg in opts:
+	if opt in ("-n", "--numberofrounds"):
+		number_of_rounds = arg
 
 game = TicTacToe()
-game.run()
-
-
+for x in range(0, int(number_of_rounds)):
+	game.run()