Ключевые слова: activity, asian, background, board, boy, brain, brainstorm, caucasian, checkmate, chess, chessboard, child, children, competition, concentration, creativity, development, education, entertainment, fun, game, genius, goal, hand, happy, hobby, home, idea, indoors, inspiration, intelligent, kid, learning, leisure, man, one, people, person, play, playing, portrait, school, schoolboy, smart, sport, strategic, strategy, think, thoughtful, young,