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Spaced Repetition Science

How the FSRS-4.5 algorithm, memory psychology, and optimal review scheduling turn studied lines into permanent knowledge.

All Posts Opening Mastery Spaced Repetition Chess Strategy
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Spaced Repetition

The Science Behind Spaced Repetition for Chess Opening Memorization

Why most players forget openings after two days — and how the FSRS-4.5 algorithm fixes this permanently. Includes the neuroscience of memory and a comparison with Anki's SM-2 algorithm.

9 min read
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Spaced Repetition

Spaced Repetition vs. Cramming: The Data-Backed Study Method for Chess

Real retention curves showing why one method produces tournament-ready memory and the other doesn't.

8 min read
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Spaced Repetition

The FSRS-4.5 Algorithm Explained: Why ChessRecall is Different

A deep-dive into how FSRS-4.5 personalizes to your individual forgetting curve and why it outperforms older algorithms.

9 min read
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