I entered "go forum" and "go game forum" into google and L19 does not show up either time. Is there a way to add search tags or something that will help newcomers find the new site?

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Main Entry: zing·er Pronunciation: \ˈziŋ-ər\
1 : something causing or meant to cause interest, surprise, or shock
2 : a pointed witty remark or retort

The best way is to add links from your home page, blog, or other external web page that link here and talk about "new go forum" or whatever. It'll still take a few days for Google to pick up the place, but I imagine it will get good page rank pretty quickly.