Chatham twice came from behind to secure runners-up spot in Isthmian Premier – and home advantage in the play-offs. Chats will host Horsham at Maidstone Road on Wednesday night in the Semi-Final stage and will be at home if they progress on Bank Holiday Monday. They were made to work hard for that advantage by hosts Enfield Town, who had to settle for a point and third spot. Oliver Knight put Enfield ahead but Kareem Isiaka levelled on the half-hour. Knight restored Enfield’s lead but a Sam Robins own goal midway through the second half ensured it was honours even. Margate’s fate was decided b…