| When | User | Flag Type | Description |
|---|---|---|---|
| 2015-11-03 16:26:46 | kevinwm | Well Constructed | |
| 2015-11-24 20:55:05 | x0000 | Invalid | see comment |
| 2016-04-12 00:06:10 | gomaster135 | Invalid | wrong solution |
| 2022-03-07 02:55:47 | :go | Invalid | There is no solution because white has a refutation (see comment) |