--- a/.hgignore	Sun Sep 21 01:07:55 2014 +0300
+++ b/.hgignore	Sun Sep 21 01:16:27 2014 +0300
@@ -6,3 +6,4 @@
 CHANGES.html
 README.html
 HACKING.html
+AIs.html

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AIs.rst	Sun Sep 21 01:16:27 2014 +0300
@@ -0,0 +1,34 @@
+.. -*- mode: rst; coding: utf-8; fill-column: 80 -*-
+
+.. include:: header.rst
+
+======
+ AIs.
+======
+.. contents::
+
+Document version.
+=================
+
+.. include:: VERSION.rst
+
+AI discussion.
+==============
+
+ * http://math.stackexchange.com/questions/727076/probability-that-random-moves-in-the-game-2048-will-win
+ * http://stackoverflow.com/questions/22342854/what-is-the-optimal-algorithm-for-the-game-2048
+ * http://codegolf.stackexchange.com/questions/25226/2048-king-on-the-hill
+
+Blind strategies.
+=================
+
+Blind random moves with shifted probabilities of moves (weighted random) are
+better then random moves.
+
+Blind moves with repeating pattern (like switching direction in clock order)
+better then weighted random moves.
+
+See:
+
+ * http://math.stackexchange.com/questions/727076/probability-that-random-moves-in-the-game-2048-will-win/
+

--- a/CHANGES.rst	Sun Sep 21 01:07:55 2014 +0300
+++ b/CHANGES.rst	Sun Sep 21 01:16:27 2014 +0300
@@ -12,6 +12,11 @@
 
 .. include:: VERSION.rst
 
+v0.4, 2014-xx-xx.
+=================
+
+ * Add AI descriptions.
+
 v0.3, 2014-09-20.
 =================
 

--- a/README.rst	Sun Sep 21 01:07:55 2014 +0300
+++ b/README.rst	Sun Sep 21 01:16:27 2014 +0300
@@ -24,13 +24,6 @@
 
 Your goal is to reach tile with number ``11`` or better.
 
-AI discussion.
-==============
-
- * http://math.stackexchange.com/questions/727076/probability-that-random-moves-in-the-game-2048-will-win
- * http://stackoverflow.com/questions/22342854/what-is-the-optimal-algorithm-for-the-game-2048
- * http://codegolf.stackexchange.com/questions/25226/2048-king-on-the-hill
-
 Alternatives.
 =============
 

--- a/header.rst	Sun Sep 21 01:07:55 2014 +0300
+++ b/header.rst	Sun Sep 21 01:16:27 2014 +0300
@@ -5,8 +5,9 @@
 .. _README: README.html
 .. _CHANGES: CHANGES.html
 .. _Changes: CHANGES.html
+.. _AIs: AIs.html
 .. _Hacking: HACKING.html
 .. _Authors: AUTHORS.html
 
-[ Play_ | About_ | Changes_ | Hacking_ | Authors_ ]
+[ Play_ | About_ | Changes_ | AIs_ | Hacking_ | Authors_ ]