Ginny actually laughed out loud at that. "Something tells me I'd be even worse at chess if I didn't have the pieces helping me out with strategy." She confessed. "Marbles...is that muggle game that's sort of like Gobstones, yeah?" She was trying to remember back to second year when she played with one of her muggleborn friends. Victory was a lot less sweet when the other person wasn't covered with some sort of awful smelling sap. Though, considering their current predicament, that might be preferable.