User:Ibanez Guy/Corsi rating

A Corsi rating (or Corsi number) is an ice hockey statistic created by Jim Corsi. Similar to a plus/minus statistic, a Corsi rating measures the difference in shots directed at a players own net, versus shots directed at their opponent's net.

Usage
The Corsi rating concerns all shots "directed at the net." This includes goals, saves, blocked shots, and missed shots, but does not include anything directed towards an empty net. The rating is used by analysts to describe team possession while the rated player is on the ice.

Fenwick alternative
An alternative less-used alternative to the plus/minus statistic is the Fenwick number. Named after Matt Fenwick, the http://www.kuklaskorner.com/index.php/psh/comments/the_fenwick_number/

History
http://blogs.thescore.com/nhl/2013/03/12/why-advanced-statistics-approaches-hockey-completely-wrong-but-still-gets-things-right/ http://nhlnumbers.com/2012/6/26/shot-quality-revisited-a-look-at-the-correlation-between-scoring-chances-and-shot-totals