LearnClash LearnClash Blog
Tips, comparisons, and learning science.
![How to Remember What You Learn [Science-Backed]](/_astro/how-to-remember-what-you-learn.BAtsstjd_16NPj.webp)
How to Remember What You Learn [Science-Backed]
How to remember what you learn: 7 science-backed techniques ranked by the largest learning research review ever published.
![Spaced Repetition: Never Forget What You Learn [2026]](/_astro/spaced-repetition.DbuZp2Gw_1YznIT.webp)
Spaced Repetition: Never Forget What You Learn [2026]
Spaced repetition explained with the science, exact intervals, and how LearnClash builds it into competitive quiz duels.
![Competitive Learning: Why Quiz Duels Work [2026]](/_astro/competitive-learning.AKMxrfDB_evJU2.webp)
Competitive Learning: Why Quiz Duels Work [2026]
Competitive learning has zero net effect on memory, unless designed right. ELO matching, retrieval practice, and flow make it work.
![The Testing Effect: Why Quizzes Beat Rereading [2026]](/_astro/testing-effect.CBf1q-j__ZNX5uf.webp)
The Testing Effect: Why Quizzes Beat Rereading [2026]
The testing effect proves quizzing builds stronger memory than rereading. See how quiz duels and spaced repetition apply it.
Challenge Your Friends
Master any subject through competitive 1v1 quiz duels. Free to play.
![ELO Rating System Explained [Complete 2026 Guide]](/_astro/elo-rating-system.CnqKYH4X_ZKoNOC.webp)
ELO Rating System Explained [Complete 2026 Guide]
The ELO rating system ranks players by skill using win probability math. See how quiz duels use it with 8 tiers and K-factors.