bishkek kyrgyzstan vote presidential election sunday closely fight protege outgo president opposition leader test stability country two previous leaders oust violent riot mainly muslim ex-soviet state six million people stand neighbor mostly run autocrats boisterous democracy produce sometimes chaotic change leadership serve president almazbek atambayev step term limit back sooronbai jeenbekov 58-year-old member atambayev social democratic party succeed face strong opposition omurbek babanov 47 head big opposition party respublika-ata zhurt fatherland likely outcome neither babanov jeenbekov win outright sunday set second round run-off accord u.s.-based international republican institute conduct poll lead candidates differ little main point policy secular state hew close russia region moscow vie influence unite state china however represent rival interest group clans inside kyrgyzstan fight access power state resources september poll coalition democracy civil society western-backed ngo 38.7 percent respondents say expect babanov win 41.2 percent pick jeenbekov eleven candidates run vote candidate need 50 percent outright win opposition candidate babanov wealthy businessman charismatic style jeenbekov former livestock technician turn bureaucrat say maintain strong tie moscow kyrgyzstan host russian military airbase remittances hundreds thousands migrant laborers work russia vital source kyrgyzstan foreign currency revenue campaign feature allegations coup plot corrupt practice hint fragile political stability dog kyrgyzstan since revolution 2005 oust long-standing leader askar akayev go start fight corruption jeenbekov tell opposition candidate babanov televise debate also call young opponent chick kyrgyz government detain one babanov supporters sept. 30 charge plot violent coup vote also accuse several babanov campaign workers plan bribe voters babanov deny wrongdoing dismiss charge supporters dirty election tactics atambayev government last month accuse kazakhstan big wealthy neighbor also close russia interfere election kazakh president nursultan nazarbayev meet babanov appear endorse kazakhstan deny back candidates cite security concern introduce tight check kyrgyz border week closely fight election test kyrgyzstan 's fragile stability