Green square means they are logged in to the site. Orange square means they are in Live.
In order to challenge a friend to a Live game, you both must be in the Live section of the site.
Why I cannot challenge anything
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Thanks Martin_Stahl!
'Live section' means clicking on Live Chess right?
Every time I try challenging my friend, even though he's online (green square), appears the only challenges available are those 1 day etc. So what's going on here? Thanks