play_cleaner.rb

# Run from bin/testbot
Draughts::AI::Board.each do |b| 
  Draughts::AI::Move.each do |m|  
    ['black', 'white'].each do |c|    
      p = Draughts::AI::Play.first(board: b, move: m, color: c)    
      if p
        result = p.legal
        Draughts::AI::Play.all(board: b, move: m, color: c).destroy
        Draughts::AI::Play.create(board: b, move: m, color: c, legal: result)
      end  
    end  
  end  
end