To me, the most important benchmark is FSRS vs SM-17 vs SM-18 Too bad SuperMemo kept their work closed source. Dr. Wozniak's work could have gone so much furth

To me, the most important benchmark is FSRS vs SM-17 vs SM-18 Too bad SuperMemo kept their work closed source. Dr. Wozniak's work could have gone so much further. Glad FSRS exists and keeps moving forward.