Not much is known about Jack other then he was a game designer and programmer he is known for his work on ChessNet 3.
References[]
http://www.mobygames.com/developer/sheet/view/developerId,484017/ (info used 14.3.18)
Not much is known about Jack other then he was a game designer and programmer he is known for his work on ChessNet 3.
http://www.mobygames.com/developer/sheet/view/developerId,484017/ (info used 14.3.18)