The next “Just the Rules” column for February is now available on the US Chess site: https://new.uschess.org/news/just-rules-half-point-claim-mysteries-solved/
The only thing missing was that it must be the same person to move each time in the repetition claims. As rare as it is I did have that come up in a Carlsen-Nakamura game in the 2015 Sinquefield Cup (chess24.com/en/read/news/sinque … f-insanity).