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by reedlaw 166 days ago
That sounds nearly perfect for FSRS [1], the default spaced repetition algorithm used by Anki, which aims at estimating the time it takes for memory stability to decline from 100% to 90%. At the estimated 90% stability point, FSRS would require a review, so naturally a mature deck of flashcards would hover between 90-100% stability.

1. https://expertium.github.io/Algorithm.html