| When | User | Flag Type | Description |
|---|
| 2009-04-03 18:40:22 | adum | Well Constructed | |
| 2012-01-12 16:36:10 | krt | Invalid | undefined |
| 2012-08-31 02:20:39 | lates | Invalid | noncense |
| 2012-09-02 09:54:58 | rlaalswo | Invalid | very useless problem |
| 2012-09-07 04:31:24 | iGoon | Needs Fixing | |
| 2012-11-19 13:52:39 | InExtremis | Needs Fixing | other moves seem to work... |
| 2013-04-07 04:01:12 | Isildur | Well Constructed | |
| 2013-05-23 10:58:38 | Matrok | Needs Fixing | One correct move is missing in the "correct" variation |
| 2013-08-11 09:06:48 | hyogaprout | Needs Fixing | don't put instructions in the introduction, please |
| 2013-10-14 05:01:46 | Keyar | Invalid | |
| 2014-04-30 09:14:30 | crimsonaaront | Invalid | There are no pieces on the board |
| 2014-05-03 22:07:11 | BobTheJoe | Well Constructed | |
| 2014-05-28 16:47:03 | foxgloves | Well Constructed | |
| 2014-08-09 08:01:44 | ender2101 | Well Constructed | |
| 2015-01-02 20:26:09 | pento | Needs Fixing | K10 also works, creating two ladders. |
| 2015-04-28 09:50:22 | Siaubunas | Needs Fixing | aditional variations should be added |
| 2015-09-27 04:57:10 | HungryGhost | Invalid | not really a problem |
| 2015-12-27 01:26:04 | Smar | Invalid | ... |
| 2016-01-07 01:22:56 | ãã§ãŸã¾ | Invalid | undefined |
| 2017-10-14 10:16:42 | gojerry | Invalid | This is a quiz, not a problem! |
| 2018-01-10 02:09:07 | DangerMouse | Invalid | This isn't even a problem. Worthless. |
| 2018-12-03 20:00:09 | Aristotle | Well Constructed | |
| 2019-08-19 19:25:53 | Starline | Needs Fixing | missing double-ladder, atari-escape exchange, etc |
| 2021-05-09 09:48:07 | gbohus | Well Constructed | |