Blog Archives

About that Flyers challenge last night…

This post originally appeared on Hockey Graphs. Last night Dave Hakstol and the Flyers were the first team to get burned by the NHL’s new offside challenge rule. With a one-goal lead over Nashville and just 2:41 left in the

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Posted in Theoretical, Uncategorized

How certain do you need to be on an offside challenge?

Offside challenges are, to say the least, a controversial topic. While many have advocated for the benefit of getting the call right even at the cost of a delay in the game, it’s almost indisputable that the introduction of the

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Posted in Theoretical

Should teams play with 4 forwards when they’re down late?

This post originally appeared on Hockey Graphs. Tl;dr There is some evidence to suggest that teams should play with 4 forwards when trailing late in a game. The timing of when to switch to 4 forwards is dependent on how

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Posted in Theoretical

A Defense of WAR from a WAR-Skeptic

This post originally appeared on Hockey Graphs. Note: This was originally intended to be a tweet-thread which grew far too long and unmanageable, so you’re getting a poorly-written post instead. Apologies in advance. Recently, David Johnson, owner of the awesome

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Posted in WAR

Second Units and Zone Entries: Why teams should go all-in on the 4 forward power play

Using 4 forwards on the power play is generally a good strategy. Four forward units take more shots, score more often on those shots, and post a better goal differential than 3 forward groups do. It’s also a strategy that

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Posted in Powerplay, Uncategorized

Measuring the Importance of Structure on the Power Play

This post originally appeared on Hockey Graphs. tl;dr We can measure a team’s power play structure using shot location data, creating a Power Play Structure Index that quantifies their ability to establish and shoot from a structured formation. A Team’s

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Posted in Powerplay, Special Teams

Quick Post: Do Past Sv% Variables Predict Future Sv% Variables?

This post originally appeared on Hockey Graphs. The usefulness of on-ice save percentage (and derivative metrics such as Sv% Rel and Sv% RelTM) has been the source of many, many heated debates in the analytics blogosphere. While many analysts point

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Posted in Goaltending