Expected Possession Value of Control and Duel Actions for Soccer Player's Skills Estimation
Andrei Shelopugin

TL;DR
This paper enhances the expected possession value model in football analytics by incorporating decay effects, possession risk, and duel outcomes to better estimate player skills and predict future performance.
Contribution
It introduces multiple extensions to the EPV model, improving accuracy in skill estimation and opponent strength consideration in football.
Findings
Extended EPV model with decay effect and possession risk
Improved prediction of player skills for upcoming season
Incorporation of duel outcomes for skill assessment
Abstract
Estimation of football players' skills is one of the key tasks in sports analytics. This paper introduces multiple extensions to a widely used model, expected possession value (EPV), to address some key challenges such as selection problem. First, we assign greater weights to events occurring immediately prior to the shot rather than those preceding them (decay effect). Second, our model incorporates possession risk more accurately by considering the decay effect and effective playing time. Third, we integrate the assessment of individual player ability to win aerial and ground duels. Using the extended EPV model, we predict this metric for various football players for the upcoming season, particularly taking into account the strength of their opponents.
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Taxonomy
TopicsSports Performance and Training · Sports Analytics and Performance
