Slitherine

Hello,
All is in the title...
I don't know how to write something to my opponent in a game (kind of hello, good luck,...)
I would greatly appreciate if someone could tell me
thanks

In which game? The chat system(s) are different for each game.

Hello,
In the OOB Winter tournament

Try asking in this thread here:

viewtopic.php?t=82730

There are lots of Tournament members & the organizer is there.