This book is about the Double Set Game (D.4.2.11) played on the Advance chess game board called Model III, the Longitudinal Star Gate 14 Model, or S.G 14 Model. It is important to note for your additional information that Single Set games were discussed in my previously published print copies of Book 1 Vol. 1 and Book 1 Vol. 2 (please visit: http: //www.ISBN.1503269485.com and http: //www.ISBN.1505573378.com ). After a while, the Single Set games became boring so I had to develop ways to make the games more complex. Thus, the Double Set games were developed. In the Double Set Game that involves the play of two chess sets played on Model III, unlike the Single Set game, a chess player will have to Checkmate his/her opponents' Kings twice in order to win the match. Whereas in the Single Set game that involves a Single set game, a chess player needs to only Checkmate his/her opponent's King once to claim victory in the game. The fascination of chess has encouraged me to develop other types of games boards models that are seemingly complex in nature. In doing this, brings me one step closer to my intention of making the games played on the extra models fun and more interesting than the last model.