| When | User | Flag Type | Description |
|---|---|---|---|
| 2015-05-26 08:07:20 | Siaubunas | Well Constructed | |
| 2015-06-27 23:53:47 | Smar | Well Constructed | |
| 2015-07-12 06:23:28 | tamingo | Well Constructed | |
| 2016-04-15 11:28:36 | raimox | Well Constructed | |
| 2017-02-12 16:53:38 | NewEuclid | Needs Fixing | wB1 seems to be incorrect |
| 2020-06-07 19:00:37 | DarkPoet | Needs Fixing | white b1 is not a solution, only white d2 |
| 2022-02-08 20:26:18 | UserkaffeI | Needs Fixing | One of the solutions does not work. |