Without any provided content details for the film "{仇氏雙雄}", an evaluation of its portrayal of LGBTQ+ characters and themes cannot be conducted. Consequently, it is not possible to determine a net impact, and the assessment is N/A.

No information about the film's content, characters, or plot was provided. Consequently, an evaluation of its portrayal of transsexual characters and themes cannot be conducted, resulting in an N/A rating.

The movie does not contain any action or adventure elements.

This 1974 film is an original production and not an adaptation of existing source material with pre-established characters. Therefore, no characters in the film have a prior canonical gender to be swapped from.

The film's title and year suggest an East Asian production. Without any information regarding source material, historical figures, or prior character establishments, it is impossible to identify any character whose race was changed from a previously established depiction.