PS+ Required? - Chess Ultra - PSNProfiles

Can anybody tell me if this game requires PlayStation Plus in order to unlock any of the online trophies (even the ones that can be boosted using multiple accounts) or can the platinum be achieved without it?

Chess Ultra: Academy Game Pack

Chess Ultra: Academy Game Pack

Chess Ultra Trophy Guide & Road Map

Tennis On-Court Trophy List out on PSN Profiles : r/PSVR

Chess Ultra: Academy Game Pack

Chess Ultra

samuel_hsc's PSN Profile •

tobi-chiata's PSN Profile •

gazdavis11's PSN Profile •

En Passant achievement in Chess Ultra

Death's Door] I enjoyed it so much the first time I did it again with the PS4 version. : r/Trophies

Chess Ultra Trophy Guide •

Download and play Chess Ultra: Pantheon Game Pack at the Epic Games Store.

Chess Ultra: Pantheon Game Pack

Chess Ultra Trophies •