diff --git a/README.md b/README.md
index 3775850..7ca51ab 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,8 @@ Unbeatable Tic Tac Toe. Single-page HTML, CSS & JavaScript.
 <img width="830" alt="tic-tac-toe" src="https://github.com/g-30/tic-tac-toe/assets/8287493/5dd43d69-1f90-4d90-aacd-be865b4009df">
 
 Implementation of [Minimax](https://en.wikipedia.org/wiki/Minimax) algorithm wrapped up in a neat chalkboard UI. The chalk effect is achieved using SVG turbulence filters.
+
+Minimax algorithm:
+https://github.com/g-30/tic-tac-toe/blob/3e10e64185cb1424c429552878c5d13cbad452f8/index.html#L438-L482
+
+[DEMO](https://g-30.github.io/tic-tac-toe/)