<prompt> Bhala okuqhubekayo kwalesi sigaba - UPetrosyan wathola isicoco sakhe se-grandmaster ngokufaka amaphuzu emincintiswaneni yezwe yabangaphansi kweminyaka engu-18 ngo-2002, i-Batumi Open ngo-2003, kanye ne-Aeroflot Open eMoscow ngo-2004. Ngawo lowo nyaka wabeka u-2-3 noZhao Jun kwiWorld Junior Chess Championship eKochi, eNdiya. Ngo-2005, wabopha kuqala eTehran, Kish naseLausanne; ngo-2006 wabopha kuqala eLyon naseDubai; ngo-2008 wabopha kuqala eWheeling, e-Illinois naseLas Vegas. Ngawo lowo nyaka wathola indondo yegolide yeqembu kanye noLevon Aronian, uVladimir Akopian, uGabriel Sargissian no-Artashes Minasian ku-38th Chess Olympiad  <response>: eDresden. Ngo-2011, u-Petrosyan wabambana noMarat Dzhumaev no-Anton Filippov eSikhumbuzweni sikaGeorgy Agzamov eTashkent futhi wanqoba lo mcimbi nge-tie-break. Ngawo lowo nyaka wanqoba i-Armenian Chess960 Championship yokuqala, wabambana no-2nd4th no-Abhijeet Gupta noMagesh Panchanathan emncintiswaneni wesithathu we-Orissa International GM Open Chess Tournament futhi waba ngowokuqala ku-31st Villa de Benasque Open. NgoJanuwari 2012 uPetrosyan wanqoba i-Armenian Chess Championship futhi ngoFebhuwari 2012 waba ngowokuqala e-Armenian Rapid Championship. NgoJanuwari 2013 wanqoba i-Armenian Chess Championship okwesibili. Wabuye wathola umklomelo wokuqala ocacile ku-International Grand Europe Open Albena-2013 eBulgaria. Ngo-2017 waqeda endaweni yokuqala ku-45th Annual World Open ePhiladelphia. 