What happens if a player changes the conforming club performance during a round?

If a player changes the conforming club performance during a round, they are disqualified from the competition. The rules of golf strictly regulate the equipment players can use, and once a club's performance is altered in a way that changes its conformity, it violates the rules. This is important for maintaining fairness and integrity in competitive play.

When clubs are designed and manufactured, they must meet specific standards established by the governing bodies of golf. Any modifications that affect the club's specifications, such as altering the weight, face, or other characteristics that influence its performance, render the club non-conforming under the rules. The disqualification serves to uphold the standards of equipment and ensure that all players are competing under the same conditions.

In contrast, a warning, penalties, or a requirement to replace the club do not apply in this scenario, as the nature of the infraction is significant enough to warrant immediate disqualification from the event.