from the beginning okay so this p right here it guides your search it tells you at each point which moves should you consider and this as you can see reduces your tree dramatically in fact what alpha zero does is it simply says you have one second of time now expand as much as you can in this tree uh given this one second uh of of of time budget and the second thing is the value so what you would have to do expanding the tree is always to go to the end right so you always go to the end where at the end you have a fully filled