You can't regret playing chess

This sentence can be expressed with no regrets.

This term refers to the decision that once a chess piece falls, it is impossible to go back on our word and we need to continue according to the chess game. This term is also often used to describe decisions and choices in life. Once you make a decision, you have to bear the corresponding consequences. You can't break your word easily. You can't go back on your word when playing chess, so as to ensure the fairness of the game and the fair treatment of players.