| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-09-13 02:59:33 | Seer | Well Constructed | |
| 2010-02-15 04:34:39 | SeerRus | Well Constructed | |
| 2011-03-16 17:49:52 | dora | Well Constructed | |
| 2013-09-07 04:07:37 | superrichi | Needs Fixing | need to explain why there isn't a solution starting by B:Q19 |
| 2014-10-07 21:20:11 | eurikano | Well Constructed | |
| 2015-02-09 18:59:22 | Matrok | Well Constructed | |
| 2015-05-16 19:06:02 | mononofu | Invalid | black can also kill with ko at q19 |
| 2016-03-11 18:07:25 | frankbryce | Needs Fixing | Another solution exists |
| 2016-04-29 09:13:53 | Antitheus | Well Constructed | |
| 2016-10-18 06:06:08 | Sollies | Well Constructed |