diff --git a/game.gd b/game.gd
index 6e4bf98..6e376f1 100644
--- a/game.gd
+++ b/game.gd
@@ -119,6 +119,9 @@ func UpdateGame(cell):
 		cell.get_child(0).Castling = false
 	if cell.get_child(0).name == "Rook":
 		cell.get_child(0).Castling = false
+	
+	# King checking.
+	CheckKing(things)
 
 # Below is the movement that is used for the pieces
 func GetMovableAreas():
@@ -378,4 +381,19 @@ func IsNull(Location):
 	if Flow.get_node_or_null(Location) == null:
 		return true
 	else:
+		IsKing(Location)
 		return false
+
+# Checking for a king.
+func CheckKing(Children):
+	for i in Children:
+		if not IsNull(i.get_path()):
+			SelectedNode = str(i.name)
+			print(SelectedNode)
+			GetMovableAreas()
+
+# Helper function
+func IsKing(Location):
+	var TheNode = Flow.get_node_or_null(Location)
+	if TheNode != null && TheNode.get_child_count() != 0 && TheNode.get_child(0).PieceColor != Turn && TheNode.get_child(0).name == "King":
+		print("Check!");