No longer needed

I'm constantly aware, during the game, whether I'm down or up material (usually pawns), or what imbalances are, e.g: rook vs minor piece and pawns. Because it's a crucial part of thinking. Once you aware of what's going on the board, then you don't need those icons.

Click on "Details" tab, game page.
I could not find any "details" tab in an indvidual game page, ( I am playing four games now). Where is it?
Above the chat box, under the game title.