Ключевые слова: activity, bishop, board, boy, caucasian, chess, chess board, chess game, chess pieces, chessboard, child, childhood, children, clever, competition, competitive, concentration, cute, education, face, figure, focus, focusing, fun, game, hands, hobby, home, king, knight, learning, leisure, logic, pawn, play, player, playful, queen, rook, smart boy, sport, sportsman, strategy, teach, thinking, thumbs up, training, white, winner, young,