Claim: Yuriy Kryvoruchko, born 19 December 1986 in Lviv, Ukrainian SSR, Soviet Union, stopped playing chess since 2006.
Evidence: In 2008 he tied for 1st–8th places with Vugar Gashimov, David Arutinian, Sergey Fedorchuk, Konstantin Chernyshov, Andrei Deviatkin, Vasilios Kotronias and Erwin L'Ami in the Cappelle-la-Grande Open tournament. 
In 2009 he was a member of the bronze medal-winning Ukrainian team at the European Team Chess Championship and tied for 1st–4th with Hedinn Steingrimsson, Hannes Stefansson and Mihail Marin in the Reykjavik Open tournament. 
In 2010, he tied for 1st–6th with Mircea Parligras, Gabriel Sargissian, Sergey Volkov, Bela Khotenashvili and Vladislav Borovikov in 2nd International Tournament in Rethymno and tied for 1st–3rd with Dmitry Svetushkin and Alexander Zubarev at Palaiochora.