The Dan Study Room was a semi-popular room on KGS, the Kiseido Go Server, in 2004. It merged with the ASR - Advanced Study Room which runs the monthly ASR League till today.
The Dan Study Room itself was for shodan players to study go.
The founding members were usagi, CrimsonSky?, NeoNemesis, NickJ, gomadness, with usagi as the room owner.
1k-1d: usagi vs. gomadness game review
1d-3d: KitDeath vs. usagi game review
1d up: Nirensei study session & guess the next move
1k-1d: usagi vs. gomadness game review #2