There is a 5% chance that we have a new BB(6) champion! It’s a machine discovered by Racheline which she’s named “Lucy’s Moonlight”. It is a probviously halting tetrational Cryptid. In other words, it’s a machine that we believe will eventually halt (with 100% chance via a probabilistic approximation), yet proving it requires either solving a Collatz-like problem or simulating it for a “tetrational” number of steps. This is very similar to the Mother of Giants with the excepti...
