⚇

Etymology

 * A doubled 'annual' symbol $⟨☉⟩$
 * $⟨⚆⟩$ with a doubled dot

Symbol

 * 1)  biennial
 * 2)  an ad hoc notation that a white (⚇) or black (⚉) stone placed in this position is worth two points
 * 1)  an ad hoc notation that a white (⚇) or black (⚉) stone placed in this position is worth two points