International tribunals — European Court of Human Rights — Competence — Whether excluding certain types of rules or measures by a State — Whether examination of provisions of a State’s Constitution by European Court of Human Rights permitted — Whether European Court of Human Rights reviewing provisions of national legislation in abstracto — Whether European Court of Human Rights examining particular effect of provisions on applicant’s rights in concreto

International tribunals — European Court of Human Rights — Admissibility criteria — Article 35 of European Convention on Human Rights, 1950 — Exhaustion of domestic remedies — Whether referral to President of Russia and State Duma constituting adequate and effective remedy — Six months’ time limit — Whether starting from cessation of a continuing situation

Human rights — Right to vote and stand for election — Article 3 of Protocol No 1 to European Convention on Human Rights, 1950 — Whether Article applicable to elections of Head of State — Limitations of right — Margin of appreciation — Whether disenfranchisement of all convicted prisoners falling outside any permissible margin of appreciation — Article 32(3) of Russian Constitution