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Spirou: I said: (of course the opponent has to agree) I think of a link similar to "resign" and "offer draw" that sends a take back request to the opponent. The opponent then has a link to accept, or he/she can make a move thereby rejecting the takeback
(kaŝi) Se vi regule rigardas nur al kelkaj el la diskut-forumoj, vi povas aldoni ilin al viaj preferataj forumoj irante al la paĝo "Diskut-forumoj" kaj klakante "aldoni al preferataj forumoj". (pauloaguia) (Montri ĉiujn konsilojn)