| When | User | Flag Type | Description |
|---|---|---|---|
| 2014-12-09 05:15:52 | mountain root | Well Constructed | |
| 2015-06-03 04:02:21 | Siaubunas | Well Constructed | |
| 2015-11-10 05:08:50 | Matrok | Well Constructed | |
| 2016-01-25 15:31:18 | kuro neko | Invalid | Problem is life and death, yet solution requires sufficiently strong ko threat that is not on the board. |