| When | User | Flag Type | Description |
|---|---|---|---|
| 2010-11-25 09:43:16 | KillerGo | Well Constructed | |
| 2013-06-26 02:41:30 | Matrok | Well Constructed | |
| 2016-02-22 07:57:19 | zwim | Needs Fixing | Best for white is a defavorable ko threat (black takes the ko first), so for the problem to stand all ko paths should be successful. |
| 2016-05-28 06:41:33 | 棋幻旋律 | Well Constructed | |
| 2016-08-09 15:43:15 | goodnicegam | Needs Fixing | differ way missing |
| 2017-08-19 06:21:03 | Onishi T | Needs Fixing | |
| 2017-10-11 11:16:13 | gojerry | Well Constructed | |
| 2023-05-11 11:41:55 | rfv | Well Constructed |