how Russia gave up with turkey?

how  Russia gave up with turkey?
Erdogan is planned to try to push Russia.
Erdogan gave a word to one of Erdogan's guard to kill Russian ambassador in Turkey.
When Turkey made Russia on its side, Turkey demanded to hand over all Chechen leaders who lived in Turkey to Russia.
when the Turkish intelligence official (MIT) began to seize many Chechnya and left to Russia.
Then Iran, Russia and Turkey agreed to leave Efrin to Turkey