Chess was massive amongst the black guys at my school - we all had to get these pocket chess sets from a local toy store so that we could get into or continue a game at any spare moment. Not aware of any clubs or regular gatherings round my way, but still play occasionally.

Suspect there is a generational aspect to this - can't imagine folks over the age of 35 wondering whether black people played chess - they would know, even if they didn't play themselves.