{"metadata":{"id":"algorithm-failure-rates","title":"Most commonly failed OLL and PLL cases","question":"Which OLL and PLL cases are failed most often in training?","source":"SupaKewber algorithm trainer data","sample_unit":"trainer attempts","definition":"A failure is an attempt explicitly recorded as unsuccessful by the trainer. Failure rate is failed attempts divided by all attempts for a case.","methodology":"Attempts are grouped by trainer category and case key, then ordered by failure rate after the privacy and stability thresholds are met.","inclusion_rules":["OLL and PLL trainer attempts with a known case key.","Successful and unsuccessful attempts are both retained in the denominator."],"exclusion_rules":["F2L and two-look categories","Cells below 20 users or 100 attempts"],"privacy_rule":"Public SupaKewber cells require at least 20 distinct users and 100 observations unless the dataset contains no account identifier, in which case at least 100 observations are required.","last_updated":"2026-08-06","stable_page_url":"https:\/\/supakewber.com\/research\/algorithm-failure-rates\/","json_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/algorithm-failure-rates.json","csv_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/algorithm-failure-rates.csv","publication_status":"unavailable","sample_size":null,"contributing_users":null,"date_range":null,"threshold_message":"The source table or publication query is not available in this environment yet."},"data":[]}