What penalty is appropriate for a fencer who leaves the strip without permission during a match?

The appropriate penalty for a fencer who leaves the strip without permission during a match is indeed the issuance of a black card. This action is viewed seriously as it disrupts the flow of the contest and can be seen as unsportsmanlike behavior. A black card serves as a powerful reminder of the importance of adhering to the regulations established to maintain order and fairness in the competition.

In the context of fencing rules, leaving the strip without permission is considered a significant infringement, and a black card indicates that the fencer is not only penalized but may also be subject to disqualification. This reflects the seriousness with which such violations are treated and underscores the expectation for athletes to remain compliant with the match structure.

A yellow card, on the other hand, typically serves as a warning for less serious infractions, while simply issuing no penalty or a warning would fail to adequately address the violation of leaving the strip without permission, potentially undermining the discipline necessary in the sport.