The League Puzzles/Summer puzzles forum is quite different from all the others.
When you post anywhere in this forum your reply is always hidden from everyone except you and the topic poster (merry).
All any other members can see of your posts in League Puzzles, even though you can see your own post clearly, is this:
it's the reason you must be logged on to view League Puzzles at all. The board has to know who you are in order to show you your own posts.