Ladder explorer

[iorch]

• look for enemy groups with 2 liberties
• loop over those groups and liberties
• fill one liberty
• can enemy kill own stones?
• place the forced move
• count liberties
• check for following cases:
  • more than 2 liberties: escape, ladder fails
  • 2 liberties, fill one liberty, ....
  • 1 liberty, ladder succed

[iorch]

W I P

Works only in simple cases.
ToDo:

• Avoid not legal moves,
• Keep on the same group.