A portrait, below of the last Holy Roman Emperor, Eugene 1st bears a striking resemblance to the rider in the scene.
See Christie's reference below for related games box.
Close up of backgammon board
Eger Panel detail 1
Eger Panel detail 2
Eger Panel detail 3
Silver lock engraved with battle scene
Silver Hinge 1 engraved with battle scene
Silver Hinge 2 engraved with battle scene
Eger Counters
Images of the rare Eger counters can be found here
Reference to Holy Roman Emperor Eugene 1st
Reference to Christies Sale Item