-PGN text is not selectable (understand why?!)
-Change cursor when computer "think" (sablier)
-Tooltip text should fade (even when mouse stay on it, especially for small screens)
-Checkered stage 2: switch button at reserve position (or on top).
-Mode expert: game.js, button on top (with online indicator)
-Turn indicator on top too (black or white)
+# New variants
+Landing pieces from empty board:
+https://www.chessvariants.com/diffsetup.dir/unachess.html
+Parachute v1 & 2
+
+Generator variant, called "Matrix" ?
+Peces on first rank never move but generate new pieces. Pawn don't generate.
+A generator captured and replaced by a similar piece does not generate.
+King does not generate. No castling. En passant possible?
+Goal is still checkmate.
+
+Take(a)n(d)make : if capture a piece, take its power for the last of the turn and make a move like it.
+If a pawn taken: direction of the capturer.
+
+Dynamo chess
+
+Maxima, Interweave, Roccoco