<prompt> Pedzisa mutsara unotevera: Martirosyan akakunda World Youth Chess Championship muUnder 16 category muna 2016. Muna 2017 akatambira chikwata cheWorld chakahwina mutambo weMillennials muSt. Louis, US achiwana mapoinzi mana mumitambo minomwe. Muna 2018, akahwina mukwikwidzi weArmenian Chess Championship uye akatambira timu yeArmenia mu  <response>: 43rd Chess Olympiad muBatumi ine chiyero chekuita che 2708. Gare gare mugore rimwe chetero, akakundawo Zurich Christmas Open achipfuura Rasmus Svane, SL Narayanan, Dennis Wagner naAndrei Istrățescu. MunaFebruary 2019, Martirosyan akagovana nzvimbo yekutanga naKaido Külaots muAeroflot Open, achipedza wechipiri pa tiebreak. Martirosyan akapinda muChess World Cup 2021 sembeu yechi59. Akakunda GM Shakhriyar Mamedyarov mumakwikwi ekukurumidza echikamu chechitatu, uye akaenderera mberi kusvika ku5 mushure mekukunda GM Ante Brkić mumutambo wechina. Akadzingwa mumutambo wechishanu naGM Amin Tabatabaei. 