Add a new variant in TODO

diff --git a/TODO b/TODO
index 9fec5b7..ab06e20 100644 (file)
--- a/TODO
+++ b/TODO
@@ -35,3 +35,5 @@ Take(a)n(d)make : if capture a piece, take its power for the last of the turn an
 If a pawn taken: direction of the capturer.
 
 + Maxima, Interweave, Roccoco, Dynamo, Synchrone, Cannibal (force captures)
+
+S-chess https://en.wikipedia.org/wiki/Seirawan_chess