fix scoring display

webgames/go.py

@@ -149,11 +149,18 @@ Press Play! to play against GNU Go or invite a second player.
             ret = self._gtp(f'final_status_list {state}')
             vertices = ret.replace('\n', ' ').split(' ')
             for vertex in vertices:
-                if len(vertex.strip()) != 2:
+                vertex = vertex.strip()
+                if len(vertex) < 2, 3:
+                    continue
+                x = vertex[0]
+                y = vertex[1:]
+                try:
+                    row = int(y) - 1
+                except:
                     continue
-                x, y = vertex.strip()
-                row = int(y) - 1
                 col = self.colnames.index(x.upper())
+                if col is None:
+                    continue
                 if state == 'dead':
                     if self._field[row][col] == FieldState.BLACK.value:
                         self._field[row][col] = FieldState.BLACK_DEAD.value