private void backpropagate() {

			Node curNode = new Node(null,-1,-1);
			double score = 0;

			for (int i = 0 ; i < pods.length ; i++) {

				curNode = current[i];
				score = curNode.score;

				while (curNode.parent != null) {
					curNode.parent.score += score;
					curNode.visits++;
					curNode = curNode.parent;
				}

				if (curNode.parent == null) {
					//minLog("Increment root !");
					curNode.visits++;
				}

			}
		}