Hey sorry about that. I will take down the old FAQ, or at least redirect it to the new one. The other thing not mentioned in that section of the FAQ (that I will add now) is the re-review phase. When you miss a card during review it will go to the re-review queue. Missing it again in that phase will reset its interval to 1.

Since I created Mochi there have been some new algorithis developed. Most notably FSRS [0] looks promising.

[0] https://github.com/open-spaced-repetition/free-spaced-repeti...