 Along the Kars Oblast, the 3rd battalion commanded by Hamazasp (Srvandztian) and 4th battalion by Keri (Arshak Gavafian) operated on the front facing Erzurum between Sarikamish and Oltu.4th battalion of the Armenian volunteers engaged at Barduz Pass.The Ottoman army suffered a delay of 24 hours in the Barduz Pass, and 4th battalion of the Armenian volunteers lost 600 troops in a battle there.