Stressed man suffering from alzheimer syndrome and sitting at chessboard with closed eyes and hands near head - Stok Fotoğraf ve Görsel

Grey haired man with alzheimer disease holding chess figure and thinking at home

African american man holding chess figure near tea and blurred friends at home

Dad and son playing chess together at home

Pensive boy in white shirt playing chess at home

Selective focus of dad and son playing chess together at home

Dad and son playing chess together at home

Selective focus of dad and son playing chess together at home

Partial view of businessmen with cigars and glasses of whiskey playing chess in office

Partial view of dad and son shaking hands over chessboard