| When | User | Flag Type | Description |
|---|---|---|---|
| 2012-11-09 00:09:07 | rillig | Well Constructed | |
| 2012-12-18 13:01:57 | InExtremis | Well Constructed | |
| 2016-07-01 10:20:11 | BartTM | Needs Fixing | Black can either save the corner stones or get an approach move ko for the life of the whole group, but neither are covered by the problem. |
| 2017-09-28 07:49:21 | mdp05mimura | Well Constructed |