Exactly, the guild forum is unfortunately not used much within guilds; most communication happens within the message center
Only when I click on a link someone posted in the guild forum, but I do not get that by opening any thread.
I'm still able to access it at least on Chrome. On bullet 2, make sure the "Request desktop site" is activated (Red Arrow), and the login portion is pretty much under the menu (the Green Circle next to it):
If you click on their name, you will get a graph on their point changes since more than a year ago. You can see how long a player has been inactive based off of how long the bar stays straight (hover over the line to get exact dates/point values). Note the ranking recalculation on February 19th...
Let's say we have a champion with a 4 Chivalry bonus and normally has 50 attack and 40 defense, If the bonus is active, when you hover over the unit, you should see that it has 54 attack and 44 defense.