User-Agent: *
Disallow: /index.php?showuser
Disallow: /go.php?

User-Agent: Yandex
Disallow: /index.php?showuser
Disallow: /go.php?
Host: www.rusmmg.ru

User-Agent: Googlebot
Disallow: /index.php?showuser
Disallow: /go.php?

User-Agent: MJ12bot
Crawl-Delay:  20 

User-agent: Slurp
Crawl-delay: 10