 Panguva iyoyo, Umambo hweByzantium hwakanga hwabatanidzwa muhondo yakareba uye ine njodzinaTsar Simeon weBulgaria r. 893927. Zvisinei, muna 927, Simeoni akafa, uye mwanakomana wake muduku, Peter, akagara pachigaro choumambo cheBulgaria achitungamirirwa natete vake George Sursubul. Pasinei nokukunda kwaro, Bulgaria yakanga yaneta nemakumi emakore ehondo, uyezve yakanga ichityisidzirwa mumiganhu yayo yokuchamhembe nevaMagyar. Somugumisiro, vaBulgaria vakasarudza kuita rugare neConstantinople. Kukurukurirana kwakatevera paMesembria, uko kwakaratidza kubudirira: kwete rugare chete rwakabvumiranwa, asi zvisungo pakati peByzantium neBulgaria zvaifanira kusimbiswa newanano yemadzitateguru yaTsar Peter naMaria Lekapene, muzukuru wamambo weByzantine. Theophanes akaita basa rinokosha munhaurirano dzakatangira kusainwa kwekupedzisira kwechibvumirano, uye, pamwe chete naSursubul, vakaona pamuchato waPeter naMaria. Theophanes akaratidzazve unyanzvi hwake hwokukurukurirana muna April 934, apo uto guru revaMagyar rakapinda muThrace. Akasangana nevakapamba vacho iye pachake ndokuronga kuti vaende uye kuti vasunungure nhapwa dzavo kana akavapa mari. 