Deletion of Game of Mr Paint and Mrs Correct

Comment: This has itself been reliably published in a good journal, so it's not original research, but only one other author has even cited it. I don't think that's enough —  requires multiple nontrivial secondary sources, we have only one (Zhu's paper), and the source's coverage of the subject is close to trivial — it says only that this game is a different name for another problem
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)