diff --git a/src/sgfParser/__init__.py b/src/sgfParser/__init__.py
--- a/src/sgfParser/__init__.py
+++ b/src/sgfParser/__init__.py
@@ -4,23 +4,25 @@ def skipWhitespace(s,start):
 	return i
 
 
-def lineNumber(s,i):
+def strRowCol(s, i):
 	k=0
-	r=0
+	r,c=0,0
 	for (r,line) in enumerate(s.splitlines(True)):
-		k+=len(line)
-		if k>=i: break
-	return r+1
+		c=i-k
+		if k+len(line)>i:
+			break
+		else:
+			k+=len(line)
+	return (r+1, c+1)
 
 
 class ParserError(Exception):
-	def __init__(self,message,s,i):
-		# self.line=line
-		# self.col=col
-		# !! check for i<len(s)
-		print(message)
-		print(s[i:])
-		self.message=message
+	def __init__(self,msg,s,i):
+		self.msg=msg
+		self.row,self.col=strRowCol(s, i)
+
+	def __str__(self):
+		return "{0} at row {1}, col {2}".format(self.msg,self.row,self.col)
 
 
 class ParserWarning(ParserError):