DataFramed #114 How Chelsea FC Uses Analytics to Drive Matchday Success
Nov 21, 2022
Federico Bettuzzi, a Data Scientist at Chelsea FC, reveals the pivotal role of data analytics in the club's success. He discusses how match analytics inform tactical decisions and enhance team performance, especially ahead of the 2022 FIFA World Cup. Bettuzzi dives into the complexity of analyzing player contributions beyond traditional stats, balancing short and long-term projects, and using expected goals (XG) for real-time strategy adjustments. Listeners are treated to insights on the collaborative efforts between data experts and coaching staff, shaping matchday outcomes.
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Project Timelines
- Long-term projects, like the set-piece analysis, are strategically planned during the off-season.
- Short-term projects, such as live in-game metrics, can arise suddenly and require quick turnaround.
Expected Goals (xG)
- Expected goals (xG) measures shot quality, not just quantity.
- Cumulative xG helps assess team and player performance relative to statistical expectations.
Strategic Use of xG
- Use xG strategically to assess threat and optimize positioning for maximizing scoring chances.
- Consider the trade-off between shot quantity and quality when analyzing different corner kick strategies.