Ku sii wad qodobkan - Kovalyov wuxuu ahaa dhaleeceyn cad oo ku saabsan isbeddelada xukunka ee maamulada Boris Yeltsin iyo Vladimir Putin. Sannadkii 1996, wuxuu iska casilay jagadii madaxa guddiga xuquuqda aadanaha ee madaxweynaha Yeltsin, isagoo daabacay warqad furan oo uu u diray Yeltsin, halkaas oo Kovalyov ku eedeeyay madaxweynaha inuu ka tanaasulay mabaadi'da dimuqraadiga ah. sanadii 2002, wuxuu abaabulay guddi dadweyne si ay u baaraan qaraxyadii Moscow ee 1999
(Guddiga Kovalyov), oo si hufan u naafoobay ka dib markii mid ka mid ah xubnaheeda, Sergei Yushenkov, la dilay, xubin kale, Yuri Shchekochikhin, oo la sheegay in lagu sumoobay thallium, iyo lataliyihiisii sharciga iyo baare, Mikhail Trepashkin, ayaa la xiray.