Administrative Stuff

A quick primer on the new NHL stats page

In case you missed it, the NHL stats page has been upgraded to include the #fancystats that we use here on a regular basis. The NHL changed the names (finally), so now it’s easier for people to understand what exactly Corsi, Fenwick, and PDO measure. Let’s break it down:

  • Shot Attempts (SAT) – this counts all shot attempts for/against a team while a player is on the ice. This was previously called Corsi.
    • This is broken down into SAT For (SATF) and SAT Against (SATA).
  • Unblocked Shot Attempts (USAT) – this counts all unblocked shot attempts for/against a team while a player is on the ice. This was previously called Fenwick.
    • This is also broken down into USAT For (USATF) and USAT Against (USATA).
  • Shooting Ratios (SAT/20, SAT/60) – this converts the raw counts of SAT and USAT into rates per 20 minutes of TOI and per 60 minutes of TOI. This is done because players with more ice time may have higher numbers than those who see less ice time.
    • This uses the same abbreviations above, but just adds /20 or /60 to the end.

  • Shot Attempts % (SAT%) – This is the percentage of shot attempts for the team while on the ice. This was previously Corsi For %, and one of the most used stats on this site.
  • Unblocked Shot Attempts % (USAT%) – Same concept as above, just for unblocked shot attempts. This was previously Fenwick For %, and also one of the most used stats on this site.
  • Shot Attempts % Close (SAT % Close) – Same concept as SAT%, but only calculated when the game is within one goal in the first two periods or tied in the third period/OT. This is the most predictive measure of team success.
  • SH% Plus SV% (SPSV%) – This is the calculation of SH% and SV%, previously called PDO. League average is about 1000, and this is heavily driven by goaltending.
    • Teams/players above 1000 are expected to regress to 1000, same with teams/players below 1000. However, bad teams can remain below 1000 all season, and teams with top goaltending can remain above 1000, thus why this is a league average.
  • Zone Starts % (ZS%) – The number of faceoffs a player is on the ice for in the offensive zone relative to the defensive zone. There is no name change for this stat (hooray!).

This is only Phase 1 of the NHL’s attempt to integrate their stats site with the #fancystats we’ve been using for a while. It’s worth noting that the fan sites, like War-On-Ice, will not be taken down.

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One Comment

  1. Thanks for spelling it all out here. I vote to keep it as a sticky for easy reference

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