User:Hcadwell3/Fenwick (statistic)

Fenwick is a statistic used in the National Hockey League to measure shot differential at even strength. These shots includes shots on goal and shots that miss that are headed towards the opposition's net.

Relevance
Fenwick can be used as an incidcator of puck possession over the course of a game or season. A positve Fenwick rating would most likely mean a team spent more time in the offensive zone than the defensive zone, while a negative Fenwick rating would mean a team spent more time in the defensive zone than the offensive zone. Given the importance of quality scroing chanes, and the fact that about 75% of the total shots taken in an NHL season come at even strength, teams with higher Fenwick ratings typically win more compared to teams with lower Fenwick ratings.

Fenwick can also be specified into smaller subcategories such as Close Game Fenwick. Close Game Fenwick measures Fenwick ratings when a game is either tied or has only a one goal differential. Knowing which players have higher individual Fenwick scores can change the way coaches decide to handle different in-game situations, especially late in games when trailing.

Formulas

 * Fenwick (overall) = (Shots on goal FOR + missed shots FOR) – (Shots on goal AGAINST + missed shots AGAINST)
 * Fenwick (individual) = (Shots on goal FOR + missed shots FOR) – (Shots on goal AGAINST + missed shots AGAINST), while individual is on the ice
 * Fenwick Percentage = (Shots on goal FOR + missed shots FOR) / (Total shots on goal + total missed shots) x 100

Fenwick vs. Corsi
Fenwick is often used alongside Corsi, a popular statistic also used to measure scoring chances in hockey.The main difference between Fenwick and Corsi is that Corsi accounts for ALL shot attempts, including blocked shots, while Fenwick only accounts for shots on goal or shots that miss the goal. Due to the exclusion of blocked shots, Fenwick is often considered a superior measurement of quality scoring chances than Corsi.

Corsi is thought of to be better for game-to-game comparisons, as Corsi takes more events (blocked shots) into consideration, and would provide a more honest depiction of total shots attempted. Fenwick is often used to show season trends due to its emphasis on quality scoring chances.

History
Fenwick developed as an idea of from blogger Matt Fenwick, an avid Calgary Flames fan, as he looked to find a better use for Corsi. Fenwick believed that the best use of Corsi was to provide insight into scoring chances, but blocked shots took away from Corsi's capabilities. He argued that blocked shots were rarely scoring chances at all, and even when they were, they were typically from a worse scoring area than shots that reached the net. Fenwick offered his new, alternative statistic with the exclusion of blocked shots, which was shortly thereafter known as Fenwick.