Career
He tied for first with Johan Hellsten and Marcin Szymanski in the Ikaros Chess Festival 2003. In 2007 he tied for 2nd–7th with Kiril Georgiev, Vadim Malakhatko, Mircea Parligras, Hristos Banikas and Dimitrios Mastrovasilis in the Acropolis International Chess Tournament and tied for 3rd–9th with Pavel Smirnov, Vladimir Malakhov, Evgeny Vorobiov, Murtas Kazhgaleyev, Vladimir Dobrov and Aleksej Aleksandrov in the 3rd Moscow Open tournament. In 2010 he tied for 1st–3rd with Yuriy Kryvoruchko and Alexander Zubarev at Palaiochora.
Svetushkin played for the Moldovan national team in the Chess Olympiads of 2000, 2002, 2004, 2006, 2008, 2010, 2012 and 2014.