diff --git a/src/drawer/base.py b/src/drawer/base.py
new file mode 100644
--- /dev/null
+++ b/src/drawer/base.py
@@ -0,0 +1,57 @@
+import os
+from itertools import count
+
+from jinja2 import Environment,FileSystemLoader
+
+
+class DiagramPoint:
+	def __init__(self,x,y,color="",label=""):
+		self.x=x
+		self.y=y
+		self.color=color
+		self.label=label
+
+	def __repr__(self):
+		return 'DiagramPoint({0},{1},"{2}","{3}")'.format(self.x,self.y,self.color,self.label)
+
+
+class Base:
+	highNumbers=True
+
+	def __init__(self,start=0):
+		self.overlays=[]
+		self._letter="a"
+
+		self._index=dict()
+		self._indexGen=count(start)
+
+		curDir=os.path.dirname(__file__)
+		templateDir=os.path.join(curDir,"..","templ")
+		self._env=Environment(loader=FileSystemLoader(templateDir))
+		self._env.trim_blocks=True
+		self._env.lstrip_blocks=True
+
+	def addStone(self,x,y,color):
+		assert (x,y) not in self._index
+		self._index[(x,y)]=(next(self._indexGen),DiagramPoint(x,y,color))
+
+	def addMove(self,x,y,color,label):
+		if (not self.highNumbers) and isinstance(label,int) and label%100!=0:
+			label%=100
+
+		if (x,y) not in self._index:
+			self._index[(x,y)]=(next(self._indexGen),DiagramPoint(x,y,color,label))
+		else:
+			(_,point)=self._index[(x,y)]
+			if not point.label:
+				point.label=self._letter
+				self._letter=chr(ord(self._letter)+1)
+			self.overlays.append((label, point.label))
+
+	def addLabel(self,x,y,label):
+		self._index[(x,y)]=(next(self._indexGen),DiagramPoint(x,y,"",label))
+
+	def save(self,filename):
+		notes=open(filename+".txt", 'w')
+		notes.write("\n".join("{0} = {1}".format(a,b) for (a,b) in self.overlays))
+		notes.close()