1 files changed, 12 insertions, 1 deletions

diff --git a/gogame.py b/gogame.py
index ce674f2..acc1921 100644
--- a/gogame.py
+++ b/gogame.py
@@ -135,7 +135,16 @@ class GoGame:
     def illegal(self, x, y, color):
         """ Check if a play by color at pos would be an illigal move, and return pretty errors"""
         if self.status.has_key((x, y)):
-            return _('There already is a stone there!')
+            if self.status[(x,y)] == 'X':
+                del self.status[(x,y)]
+            elif self.status[(x,y)] == 'T':
+                del self.status[(x,y)]
+            elif self.status[(x,y)] == 'C':
+                del self.status[(x,y)]
+            elif self.status[(x,y)] == 'S':
+                del self.status[(x,y)]
+            else:
+                return _('There already is a stone there!')
         if self.checkKo((x, y), color):
             return _('Ko violation!')
         
@@ -175,6 +184,8 @@ class GoGame:
                 for y in self.neighbors(x):
                     if not self.status.has_key(y) and y != exc and y != pos:    # found a liberty
                         return []
+                    elif self.status.has_key(y) and (self.status[y] == 'X' or self.status[y] == 'C' or self.status[y] == 'T' or self.status[y] == 'S'):
+                        return []
                     elif self.status.has_key(y) and self.status[y]==color \
                         and not y in newlyFound and not y in st: # found another stone of same color
                         n.append(y)