Race Log Web uses the definitions as specified in US Sailing's Racing Rules of Sailing 2021-2024. Input was also included from the very comprehensive book "Yacht Race Scoring" by F. Gregg Bemis. Race Log Web automatically computes the finish points and penalty points based on the settings you select in the Scoring Methods pages.
Also check the -- Racelogweb Blog -- for supplementary information such as recent updates, new features and Racing Rules compliance.