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Puck Over the Glass

Hockey analysis and occasionally other things but mainly hockey analysis

Newsletter · By Aaron Knodell · US · Official site

Indexed issues, last 90 days
3
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Aug 25, 2026
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Aug 11, 2026
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Latest issues

  1. Issue · Aug 25, 2026

    The Missing Frame: Interpolating Intermediate Puck Locations in NHL EDGE Animations (opens the original)

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    During the 2020 playoffs, the NHL started testing its new puck and player tracking system (PPT), which records puck and player locations via infrared emitting chips in the puck and a chip on each player’s right shoulder.1 Player locations are recorded 12 times a second and the puck location is recorded 60 times a second with an estimated margin of error of about 3 inches. This data has mostly filtered down to the public in aggregated format via the EDGE statistics for skating speed and distance,

  2. Issue · Aug 24, 2026

    Which Public WAR Model Is Most Predictive? (opens the original)

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    There’s been a small project bouncing around in my head for a while that I finally knocked out this past weekend: a look at which of the most prominent public WAR (or SPAR) models (Evolving-Hockey, HockeyStats, and LB-Hockey) is the most predictive of future results? It’s not a particularly difficult project, but I think the results are worth sharing for anyone who may be confused about the differences are between the various player cards that get shared on social media or used in articles.<div

  3. Issue · Aug 11, 2026

    Goaltending Is Not Voodoo (opens the original)

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    Goaltending is hard to predict. This past season, Dan Vladar, a 28 year old playing more than 30 games for the first time in his career, received Vezina and All-Star votes for the first time in his career, while Connor Hellebuyck, reigning back-to-back Vezina winner and last season’s Hart Trophy winner, was shut out of voting for both post-season awards. Sergei Bobrovsky, back-to-back Stanley Cup champion, posted one of the worst save percentages in the league while his fellow back-to-back Stanl

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