World War I German Army

My World War I German army which I acquired from Pendraken will be used to fight early war engagements I also have an opposing (WWI) Imperial British army . However I do not have a suitable set of rules early war. 1. Armee was commanded by Generaloberst Alexander von Kluck. II Corps was commanded by General der Infanterie Alexander von Linsingen 3rd Infantry Division 5th Infantry Brigade (5. Infanterie-Brigade) 2nd Grenadier Regiment "King Friedrich Wilhelm IV" (1st Pomeranian) (Grenadier-Regiment König Friedrich Wilhelm IV (1. Pomm.) Nr. 2) 42nd Infantry Regiment (5th Pomeranian) (5. Pommersches Infanterie-Regiment Nr. 42) 6th Infantry Brigade (5. Infanterie-Brigade) 14th Infantry Regiment (3rd Pomeranian) (3. Pommersches Infanterie-Regiment Nr. 14) 54th Infantry Regiment (7th Pomeranian) (7. Pommersches Infanterie-Regiment Nr. 54) 2nd Jäger Battalion (Jäger Bataillon Nr. 2) 3rd Dragoon Regiment (Dragon