Ключевые слова: activity, board, boy, boys only, casual, caucasian, challenge, chess, chessboard, child, childhood, children only, close up, competition, competitive, concentration, concept, development, entertainment, figure, fun, game, hand, happy, home, indoors, intelligence, kid, leisure, lifestyle, male, man, men only, one boy only, people, play, player, school kids, schoolboy, smart, strategic, strategy, table, thinking, together, young,