https://pokemonshowdown.com/pages/ladderhelp
COIL is being used for suspect tests again, it would help to add a short description to the ladder faq. Help room RFAQ currently states: "COIL is a system that was developed for suspect requirement purposes. Your COIL score is a function of your GXE and the number of battles you have had on the ladder. The higher your GXE, the fewer number of battles you'll need to achieve reqs." as well as linking to this post: https://www.smogon.com/forums/threads/coil-explained.3508013/
This post outlines the way to calculate COIL, which is consistent with the way that Elo is calculated on the ladder help page.
COIL is being used for suspect tests again, it would help to add a short description to the ladder faq. Help room RFAQ currently states: "COIL is a system that was developed for suspect requirement purposes. Your COIL score is a function of your GXE and the number of battles you have had on the ladder. The higher your GXE, the fewer number of battles you'll need to achieve reqs." as well as linking to this post: https://www.smogon.com/forums/threads/coil-explained.3508013/
This post outlines the way to calculate COIL, which is consistent with the way that Elo is calculated on the ladder help page.