diff --git a/todo b/todo
index 781eb81a32..c99921ef66 100644
--- a/todo
+++ b/todo
@@ -76,3 +76,4 @@ better admin tools for team forums http://en.lichess.org/inbox/r8scbx64
 optional email http://en.lichess.org/forum/lichess-feedback/secret-question----password-recovery
 answer http://en.lichess.org/forum/lichess-feedback/expanded-chat-functionality-perhaps
 FIX TOUCHPAD SIGN IN http://en.lichess.org/forum/lichess-feedback/cant-sign-in#6
+chess variants https://github.com/ornicar/lila/issues/2://github.com/ornicar/lila/issues/25