When	User	Flag Type	Description
2016-03-23 10:50:06	staraola	Well Constructed
2016-04-11 07:41:34	Antitheus	Well Constructed
2016-10-17 07:12:11	Sollies	Well Constructed
2017-01-12 18:51:33	TyroneSlothrop	Invalid	when trying to kill, seki is always worse than ko in tsumego
2017-10-25 08:22:19	GreatXiaoyao	Invalid	adv. ko in most cases would be better for b than seki, as b has more to gain than to lose
2018-04-09 12:56:07	Thumb	Well Constructed
2021-03-23 12:35:22	hillel17428	Needs Fixing	not specified weather seki or ko is preferable.