diff --git a/modules/chess b/modules/chess
index 8201840288..fa7cea9575 160000
--- a/modules/chess
+++ b/modules/chess
@@ -1 +1 @@
-Subproject commit 82018402880a6d826b95c49045ad043093648aea
+Subproject commit fa7cea95755917f74004707687b20396858583cb
diff --git a/todo b/todo
index 2a7679d4c4..cac2318c9d 100644
--- a/todo
+++ b/todo
@@ -74,3 +74,4 @@ data visualisation with http://app.raw.densitydesign.org/
 show tenths of seconds in game clock
 bug? http://en.lichess.org/inbox/1kwsxjwy#bottom
 tournament elo restriction
+remove game.r960 (use mem cache) && unset r960 on prod DB