diff --git a/problems/queen-threatens-king/main.js b/problems/queen-threatens-king/main.js
new file mode 100644
index 0000000..1565b30
--- /dev/null
+++ b/problems/queen-threatens-king/main.js
@@ -0,0 +1,29 @@
+function threatens()
+{
+let
+Kx = Kx  /* x coordinate of king's position */
+,Ky = Ky /* y coordinate of king's position */
+,Qx = Qx /* x coordinate of queen's position */
+,Qy = Qy; /* x coordinate of king's position */
+
+/*both pieces on the same diagonal if result is zero*/
+Let dia = ((Kx-Qx)*(Kx-Qx))-((Ky-Qy)*(Ky-Qy));
+
+/*check if the both pieces are on the same axes or diagonal*/
+if((Kx==Qx)||(Ky==Qy)||(dia==0))
+/*King is threatened*/
+{
+let threatened = true;
+
+return threatened;
+}
+
+else
+/*King not threatened*/
+{
+let threatened = false;
+
+return threatened;
+}
+
+}