 Nyora kuenderera kweiyi ndima - MuHondo dzeBalkan, Protogerov aive mumwe wevarongi veMacedonian-Adrianopolitan Volunteer Corps uye Mubatsiri Commander weichi chikwata chemauto. Munguva yeHondo Yenyika Yekutanga, akatungamira yechitatu Infantry Brigade ye11th Macedonian Infantry Division uye akazova mutungamiri wemauto eBulgaria mudunhu rePomoravlje reSerbia. Ikoko akadzvinyirira Kumukira kweToplica, achitungamirira uto rakaita nhamba huru yemhosva dzehondo, kubatanidza kuuraya kweutsinye kwezviuru zvevakadzi, vana nevakwegura. Gare gare, somukuru mukuru weSofia, Protogerov akadzvinyirira kumukira kwevarwi veBulgaria. Pashure peHondo Yenyika I, Protogerov akasarudzwa somumwe wevatungamiriri veIMRO. Muna 1924, IMRO yakapinda munhaurirano neComintern pamusoro pekubatana pakati pevaCommunist neMacedonian kufamba uye kugadzirwa kweboka rakabatana reMacedonia. Protogerov naPetar Chaulev zvimwe vakasaina chinonzi May Manifesto pamusoro pokuumba Balkan Communist Federation uye kubatana neSoviet Union muVienna. Gare gare, Protogerov akaramba kuburikidza nepepanhau reBulgaria kuti vakanga vambosaina zvibvumirano zvipi nezvipi, vachitaura kuti May Manifesto yakanga iri yekunyepedzera kwechiKomonisiti. Nokukurumidza pashure pacho, Todor Alexandrov akapondwa mumamiriro ezvinhu asina kujeka uye IMRO yakauya pasi pehutungamiri hwaIvan Mihailov, uyo akava munhu ane simba mune zvematongerwe enyika zveBulgaria. Muna 1925 Protogerov akakuvadzwa somugumisiro wokurwiswa kwechechi yeSt Nedelya yakarongwa nemakomonisiti. MuIMRO pachayo, kupatsanuka kukuru kwakamuka pakati pemapapiro aMihailov, akatsigirwa naAndrey Lyapchev, uye bapiro raProtogerov, rakatsigirwa naAlexandar Tsankov. Boka raitungamirirwa naProtogerov rakasarudza kupfuurira nemaitiro ehondo yemagandanga, nepo iro raitungamirirwa naMihailov rakasimbirira pakurwisa kwega kwega kwegandanga. Mugumisiro wokuparadzana uku nemakoronari emakomonisiti wakanga uri kurwisanazve mukati mesangano uye kuponda kwakatanhamara kwakati, kubatanidza uya waProtogetov amene. 