In the 2020 Women's World Chess Championship match, game 12, Aleksandra Goryachkina beat the women's World Champion, Ju Wenjun, using Mark's Opening (www.Marksopening.blogspot.com).
That's got to be evidence that it's not a bad opening.
Interesting.
https://www.chess.com/news/view/2020-women-world-chess-championship-goryachkina-ju-wenjun-game-12
In the 2020 Women's World Chess Championship match, game 12, Aleksandra Goryachkina beat the women's World Champion, Ju Wenjun, using Mark's Opening (www.Marksopening.blogspot.com).
That's got to be evidence that it's not a bad opening.