In 2006 he won a rapid tournament held in Banyoles[1] and shared first place with Gabriel Sargissian and Tigran L. Petrosian in the 8th Dubai Open.

[2] In 2008 he tied for 1st–8th with Vugar Gashimov, David Arutinian, Yuriy Kryvoruchko, Konstantin Chernyshov, Andrei Deviatkin, Vasilios Kotronias and Erwin L'Ami in the Cappelle-la-Grande Open tournament.

[6][7] Fedorchuk tied for 1st–8th with Sanan Sjugirov, Parimarjan Negi, Maxim Rodshtein, Eric Hansen, Vlad-Cristian Jianu, Alexei Fedorov and Yuri Vovk in the 2013 Cappelle-la-Grande Open.

In February 2014, Fedorchuk tied for first with Baadur Jobava and Mikhailo Oleksienko, placing second on tiebreak, in the David Bronstein Memorial in Minsk.

[8] Soon afterwards he won the 2014 Vladimir Petrov Memorial, a rapid tournament held in Jūrmala, Latvia.