In 2018 pass rate was 96%, then in 2019 they lowered to 92%, then in 2020 the pass rate became 91%, then after that it became 86% cause they decided more exam takers has to fail and retake / repay! Cardiologists and their level of intelligence / training didn’t change in one year, what changed is the cut off for pass / fail that they choose/set for every day every year before even start scoring the exam (that’s from their website “The minimum passing score reflects an absolute standard that is independent of the performance of any group of candidates. The standard for each assessment is set by the designated ABIM Subspecialty Board or Test Committee.”