User-agent: Mediapartners-Google* 
Disallow:

User-agent: Yandex
Disallow: /dl/
Disallow: /forum/index.php?PHPSESSID=
Disallow: /forum/index.php?action=
Disallow: /stat/
Disallow: /cats/docs/
Clean-param: utm
Clean-param: album
Clean-param: rss

User-agent: *
Disallow: /stat/
Crawl-delay: 5