User-agent: SemrushBot
Disallow: / 
User-agent: BUbiNG
Disallow: /
User-agent: *
Disallow: /go/commentaries/special
Disallow: /go/commentaries/goswf_view
Disallow: /go/games/printable
Disallow: /go/games/record_request
Disallow: /go/games/sgfview
Disallow: /go/aggregator
Disallow: /go/tracker
Disallow: /go/comment/reply
Disallow: /go/node/add
Disallow: /go/user
Disallow: /go/files
Disallow: /go/search
Disallow: /go/book/print
Disallow: /board2
Crawl-delay: 15