Ключевые слова: activity, adult, board, boy, caucasian, challenge, champion, chess, chessboard, child, childhood, competition, competitive, concentration, education, family, father, female, figure, game, home, indoor, intellectual, intelligence, joy, kid, learning, leisure, little, logic, male, man, mother, pastime, people, person, play, player, playing, son, sport, strategic, strategy, table, teaching, thinking, together, woman, young,