Over the last year or so a lot of people have asked what the terms or abbreviations in the fancy stats world mean. Below is a glossary of various terms that you’ll find on this site and other advanced stats sites that could help you better understand the data.

Corsi – All shot attempts

• CF (Corsi For) – All shot attempts for
• CA (Corsi Against) – All shot attempts against
• CF% (Corsi For %) – Percentage of total shot share
• iCF (Individual Corsi For) – Individual player shot attempts

Fenwick – Unblocked shot attempts

• FF (Fenwick For) – Unblocked shot attempts for
• FA (Fenwick Against) – Unblocked shot attempts against
• FF% (Fenwick For %) – Percentage of total unblocked shot share
• iFF (Individual Corsi For) – Individual player unblocked shot attempts

Expected goals – Expected goal models are a way to measure shot quality for players and teams. They take a variety of factors into account to create an expected goal rating for each shot. If you want to get deeper into the numbers you can read the write up from the Evolving Hockey twins on how they put their model together here. Expected goals give you a better idea of shot quality because they take more into account besides general shot location data that you see in “scoring changes” and “high-danger scoring chances.”

• xGF (Expected goals for) – Shot quality for
• xGA (Expected goals against) – Shot quality against
• xGF% (Expected goals percentage) – Shot quality share percentage
• ixG (Individual expected goals) – Individual player shot quality rating
• xGSA (Goals saved above expected) – This is a goalie stat that evaluates how a goaltender performs against the shot quality that they face.

GAR – Goals above replacement

xGAR – Expected goals above replacement (model created by the Evolving Hockey twins)

WAR – Wins above replacement