diff --git a/.gitignore b/.gitignore
index 217f4f1f1..381bf4e50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ Gemfile.lock
 
 dest/
 site/_data/menus/ref_menu_latest.yml
+site/_data/menus/ref_menu_petrosian.yml
 site/_data/menus/ref_menu_oparin.yml
 site/_data/menus/ref_menu_najdorf.yml
 site/_data/menus/ref_menu_morphy.yml
@@ -15,6 +16,7 @@ site/_data/menus/ref_menu_kasparov.yml
 site/_data/menus/ref_menu_jansa.yml
 site/docs/guides
 site/docs/reference/latest/
+site/docs/reference/petrosian/
 site/docs/reference/oparin/
 site/docs/reference/najdorf/
 site/docs/reference/morphy/
diff --git a/lib/miq.rb b/lib/miq.rb
index 3866737ac..15cb07779 100644
--- a/lib/miq.rb
+++ b/lib/miq.rb
@@ -86,6 +86,6 @@ def self.blog_month_template
   end
 
   def self.doc_branches
-    ENV.fetch('MIQ_REF_BRANCHES', 'master,oparin,najdorf,morphy,lasker,kasparov,jansa').split(',')
+    ENV.fetch('MIQ_REF_BRANCHES', 'master,petrosian,oparin,najdorf,morphy,lasker,kasparov,jansa').split(',')
   end
 end
diff --git a/site/_config.yml b/site/_config.yml
index 8a1934dbf..f440fa274 100644
--- a/site/_config.yml
+++ b/site/_config.yml
@@ -269,3 +269,18 @@ defaults:
     values:
       layout: doc_page
       doc_group: api
+
+  - scope:
+      path: "docs/reference/petrosian"
+      type: "pages"
+    values:
+      layout: doc_page
+      permalink: /:path/:basename
+      doc_group: user
+      sitemap: false
+
+  - scope:
+      path: "docs/reference/petrosian/api"
+    values:
+      layout: doc_page
+      doc_group: api
diff --git a/site/_data/releases.yaml b/site/_data/releases.yaml
index 8bff36771..7297877ff 100644
--- a/site/_data/releases.yaml
+++ b/site/_data/releases.yaml
@@ -1,9 +1,9 @@
 stable:
   type: stable
-  name: Oparin-1
-  tag: oparin-1.1
-  filename: oparin-1.1
-  branch: oparin
+  name: Petrosian-1
+  tag: petrosian-1
+  filename: petrosian-1
+  branch: petrosian
 
 # prerelease:
 #   type: prerelease
diff --git a/site/docs/reference/index_petrosian.md b/site/docs/reference/index_petrosian.md
new file mode 100644
index 000000000..dc91a62c5
--- /dev/null
+++ b/site/docs/reference/index_petrosian.md
@@ -0,0 +1,48 @@
+---
+layout: doc_page
+title: User Reference
+permalink: /docs/reference/petrosian/
+doc_group: user
+doc_branch: petrosian
+---
+
+## Installation
+
+{% for item in site.data["menus"]["ref_menu_petrosian"]["installation"]["children"] %}
+### [{{item.title}}]({{item.path}})
+{{item.desc}}
+
+{% endfor %}
+
+## Administration
+
+{% for item in site.data["menus"]["ref_menu_petrosian"]["administration"]["children"] %}
+### [{{item.title}}]({{item.path}})
+{{item.desc}}
+
+{% endfor %}
+
+## Authentication
+
+{% for item in site.data["menus"]["ref_menu_petrosian"]["authentication"]["children"] %}
+### [{{item.title}}]({{item.path}})
+{{item.desc}}
+
+{% endfor %}
+
+## Integration
+
+{% for item in site.data["menus"]["ref_menu_petrosian"]["integration"]["children"] %}
+### [{{item.title}}]({{item.path}})
+{{item.desc}}
+
+{% endfor %}
+
+
+## Reference
+
+{% for item in site.data["menus"]["ref_menu_petrosian"]["reference"]["children"] %}
+### [{{item.title}}]({{item.path}})
+{{item.desc}}
+
+{% endfor %}