Pedzisa mutsara unotevera: Kunonzi kuderera kwacho kwakatanga pana August 6, 1284, apo ngarava dzePisa, dzaitungamirirwa naAlbertino Morosini, dzakanga dzakakwirira, dzakakundwa nemitoo yakaisvonaka yezvikepe zveGenoa, dzaitungamirirwa naBenedetto Zaccaria naOberto Doria, muhondo inotyisa yomugungwa
Hondo yeMeloria. Kukundwa uku kwakagumisa simba regungwa rePisa uye guta harina kuzombopora zvizere; muna 1290, vaGenoese vakaparadza zvachose Porto Pisano (chiteshi chePisa), ndokufukidza nyika nemunyu. Nharaunda yakapoteredza Pisa haina kubvumira guta racho kupora kubva pakurasikirwa nezviuru zvevafambisi vengarava kubva kuMeloria, nepo Liguria yakavimbisa vafambisi vengarava vakakwana kuGenoa. Zvisinei, zvinhu zvakaramba zvichitengeswa, kunyange zvazvo zvaiva zvishoma, asi zvakapera apo rwizi rwaArno rwakatanga kuchinja nzira, zvichiita kuti ngarava dzisazosvika pachiteshi chengarava cheguta raiva kumusoro kwerwizi rwacho. Nharaunda yaiva pedyo zvimwe yakavawo yakashatiswa nemarariya. Mugumo chaiwoiwo wakauya muna 1324, apo Sardinia yakarasikirwa chose chose navaAragonese.