> Russia ... (accepted as a successor state) Not exactly right. According to the art.2 "Treaty of the succession of the USSR" of the 4th Dec 1991, the following countries are the successor states for the Soviet Union: Azerbaijan, Armenia, Belarus, Georgia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldova, Russian Federation, Tadjikistan, Turkmenistan, Uzbekistan, Ukraine and Estonia. So, Russia was accepted as ONE OF THE successor states. > After the dissolute of the Soviet Union, Russia granted 100 nationalities ethnic enclaves that had many formal federal rights attached. Not right. This was done in 1920th, not after the dissolution of the SU. Another important point you miss is the Chechen involvement in the civil war in Georgia. In 1993 Russia tried to increase its influence in the Northern Caucasus region by supporting the rebel side in the Georgian civil war. As the direct support of rebels might have international consequences, Russians supported them indirectly - rebels received military help from Russia-equipped and trained Chechen "irregular volunteers". The war promptly ended with the defeat of the Georgian government troops (that's how the rebel states Abkhazia and South Ossetia emerged). The units of the "irregular volunteers" returned back to Chechnya and turned against Russia. Actually, Chechnya was not to declare sovereignty from Russia until Russia provided it with trained and equipped military forces. Other points regarding the statuses of Russia and Chechen republic withing Russia were already pointed by other answers.