diff --git a/src/diana/go.py b/src/diana/go.py
--- a/src/diana/go.py
+++ b/src/diana/go.py
@@ -1,39 +1,50 @@
-BLACK=1
-WHITE=-1
-EMPTY=0
+BLACK = 1
+WHITE = -1
+EMPTY = 0
 
 
 class Go:
-	board=[[EMPTY]*19 for i in range(19)]
+	board = [[EMPTY]*19 for i in range(19)]
 	
 	def __init__(self):
-		self.board=[[EMPTY]*19 for i in range(19)]
-		self.moveCount=0
+		self.board = [[EMPTY]*19 for i in range(19)]
+		self.moveCount = 0
 	
-	def move(self,color,y,x):
-		if self.board[x][y]!=EMPTY: return False
+	def move(self, color, y, x):
+		if self.board[x][y] != EMPTY:
+			return False
 
-		self.board[x][y]=color
+		self.board[x][y] = color
 
-		for i,j in ((-1,0),(1,0),(0,-1),(0,1)):
-			self.temp=[[False]*19 for i in range(19)]
-			if not self._floodFill(-color,x+i,y+j): self._remove()
-		self.temp=[[False]*19 for i in range(19)]
-		if not self._floodFill(color,x,y):
-			self.board[x][y]=EMPTY
+		for i, j in ((-1, 0), (1, 0), (0, -1), (0, 1)):
+			self.temp = [[False]*19 for i in range(19)]
+			if not self._floodFill(-color, x+i, y+j):
+				self._remove()
+		self.temp = [[False]*19 for i in range(19)]
+		if not self._floodFill(color, x, y):
+			self.board[x][y] = EMPTY
 			return False
-		self.moveCount+=1
+		self.moveCount += 1
 		return True
 
-	def _floodFill(self,color,x,y):
-		if x<0 or x>18 or y<0 or y>18: return False
-		if self.temp[x][y]: return False
-		if self.board[x][y]==EMPTY: return True
-		if self.board[x][y]!=color: return False
-		self.temp[x][y]=True
-		return self._floodFill(color,x-1,y) or self._floodFill(color,x+1,y) or self._floodFill(color,x,y-1) or self._floodFill(color,x,y+1)
+	def _floodFill(self, color, x, y):
+		if x < 0 or x > 18 or y < 0 or y > 18:
+			return False
+		if self.temp[x][y]:
+			return False
+		if self.board[x][y] == EMPTY:
+			return True
+		if self.board[x][y] != color:
+			return False
+		self.temp[x][y] = True
+
+		return self._floodFill(color, x-1, y) or \
+			self._floodFill(color, x+1, y) or \
+			self._floodFill(color, x, y-1) or \
+			self._floodFill(color, x, y+1)
 	
 	def _remove(self):
 		for i in range(19):
 			for j in range(19):
-				if self.temp[i][j]: self.board[i][j]=EMPTY
+				if self.temp[i][j]:
+					self.board[i][j] = EMPTY