Update TODO

diff --git a/TODO b/TODO
index dafd7c0..d83d5e0 100644 (file)
--- a/TODO
+++ b/TODO
@@ -2,3 +2,5 @@ Styles must be improved (full width for smartphones, selectable text for PGN...)
 Tooltip text should fade (even when mouse stay on it, especially for small screens)
 Checkered stage 2: switch button at reserve position.
 If a played disconnect right after opponent sent a move, it might be never received: secure this
+Think about non-conventional variants with 2 kings for example: undercheck highlight?
+  --> underCheck should return a vector in this case. Adapt.