Wednesday, April 09, 2014

Introducing: The GAA Chart

What Is It?
A chart that shows what a team's Goals Against Average (GAA) would be given the combining factors of save percentage and shots against.  This chart can be used to apply to a single game, a ten game stretch, or an entire season.

What Are It's Uses?
This could be a useful tool for projecting what sort of GAA a given goalie or team might have considering either real or expected shots faced/shots stopped.  The chart isn't meant to revolutionize anything but rather act as a practical tool to understand or project goals against averages. 

How Does It Work?
The horizontal column represents a team's shots against, and the vertical column represents a team or a goalie's save percentage.  The number equaled by the matching of any two columns is what the GAA would beYou will notice that save percentage is represented in intervals of half a percentile while shots against are represented in intervals of half a shot against.  This was done to help the chart be detailed without being too overwhelming.

-The numbers in dark green represent GAAs 2.00 or below.  These are elite GAAs and in some cases unheard of.

-The numbers in light green represent GAAs between 2.01 and 2.50.  These are where most good teams land and this is what teams with playoff aspirations should realistically strive for.

-The numbers in yellow represent GAAs between 2.51 and 3.00.  While unideal, it is still possible to have a GAA in this range and have team success.

-The numbers in red represent GAAs 3.01 and above.  You often see teams near the bottom of the NHL standings with GAAs in this range.

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