diff --git a/.gitmodules b/.gitmodules
index dea363664c..b38f591ee0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "submodules/evaluator"]
 	path = submodules/evaluator
 	url = https://github.com/clarkerubber/engine-evaluator
+[submodule "ui/chessli"]
+	path = ui/chessli
+	url = https://github.com/ornicar/chess.js
diff --git a/ui/chessli b/ui/chessli
new file mode 160000
index 0000000000..8487d0d2ff
--- /dev/null
+++ b/ui/chessli
@@ -0,0 +1 @@
+Subproject commit 8487d0d2ffea62208759626a05122d5ef97b149c