Sarkin Rumawa Alexios III Angelos ya nada Ivanko kwamandan Philippopolis (yanzu Plovdiv a Bulgaria ).Ivanko ya kwace kagara biyu a tsaunin Rhodopi daga Kaloyan, amma a shekara ta 1198 ya ƙulla yarjejeniya da shi.Cumans da Vlachs daga ƙasashe zuwa arewacin kogin Danube sun shiga cikin Daular Rumawa a cikin bazara da kaka na 1199. Choniates, waɗanda suka rubuta waɗannan abubuwan, ba su ambaci cewa Kaloyan ya ba da haɗin kai tare da maharan ba, don haka mai yiwuwa sun ketare. Bulgaria ba tare da izininsa ba.Kaloyan ya kama Braničevo, Velbuzhd, Skopje da Prizren daga Rumawa, watakila a wannan shekarar, a cewar ɗan tarihi Alexandru Madgearu.