| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-06-30 12:21:02 | Sleit | Well Constructed | |
| 2014-04-10 05:44:00 | Matrok | Needs Fixing | the black stones in the lower right corner are very poorly placed |
| 2015-06-12 08:09:51 | Siaubunas | Well Constructed | |
| 2019-07-09 17:43:24 | iopq | Needs Fixing | missing solution |
| 2020-12-18 16:11:28 | evanbd83 | Needs Fixing | Missing stones in LR corner |