On 6 July 2013, in Skopje, having lost to Ali Bonceoğlu in the final, Mchedlidze won the silver medal of the European Junior Championships.

[3] On 17 June 2014, in Katowice, Poland, having defeated Russian Zaynulla Kurbanov in the final, he won the gold medal at the European Junior Championship.

[4] In early April 2015, at the Ukrainian Championships in Kharkiv, Mchedlidze reached the final, where he lost to Pavlo Oleynyk, becoming the silver medalist.

[5] In early April 2016, in Ruse, Bulgaria, he took part in the European U23 Championship, where he lost to Zainulla Kurbanov from Russia, leaving without a medal.

[7] On 1 October 2016, in Yakutsk, having lost in the final to Russian Yuri Belonovsky, he won the silver medal at the Dmitry Korkin Memorial International Tournament.