In this fictional scenario, the Graf Spee has been able to successfully evade the allied pursuit after the battle of Mar de Plate.

The British Admiralty only has 2 Tribal class Destroyers and the HMS Warspite available to intercept the Graf Spee on his way back to Germany. The Graf Spee has been sighted xx North and yy West on a 60 course running 15 knots.

You need to plot your route to intercept the Graf Spee before night fall.