Node GetBestSomething(int depth, State state, bool player, Node alpha, Node beta)

{

 if(depth == 0 || Node.Child.IsEmpty)

 {

 return new Node(State.Rank))

 }

 Node temp = new Node(null);

 foreach(var child in state)

 {

 var clone = state.Clone();

 if(!clone.DoSomething(child))

 continue;

 temp = GetBestSomething(depth - 1, clone, !player, alpha, beta);

 if(player)

 {

 if(temp >= alpha)

 alpha = temp;

 }

 else

 {

 if(temp <= beta)

 beta = temp;

 }

 if(beta <= alpha)

 break;

 }

 if(player)

 {

 return alpha;

 }

 else

 {

 return beta;

 }

}