This article explains why Kyrgyzstan switched to parliamentarian form of semipresidential system in 2010 and examines new rules of government formation. An analysis is focused on emergence and functioning of coalition governments of parliamentary majority in 2010–2016, an unique phenomenon in post- Soviet Central Asia republic and rare form of government in the CIS countries. Considering strong and weak points of Kirgizstan’s experience with parliamentary cabinet’s author examines whether the new system of government will survive the accession of the country to the Eurasian Economic Union and the second electoral cycle of 2015–2017. Although the outcome of the parliamentary elections of 2015 has been positive in this respect, the presidential elections of 2017 will provide a crucial challenge for maintaining the constitutional model of 2010 unchanged, as an analysis of political discourse of 2016 suggests. Author reveals the real dilemma of incumbent and draw potential scenarios of future development, including a new revision of fundamental law.