Half-Space LabFootball analysis built on data.https://halfspacelab.pages.dev/What expected goals (xG) is, and what it isn'thttps://halfspacelab.pages.dev/explainers/what-is-xg/https://halfspacelab.pages.dev/explainers/what-is-xg/xG puts a number on how good a chance was. At Women's Euro 2025 it tracked how often shots actually went in at almost every distance.Thu, 22 Oct 2026 20:00:00 GMTHow to read a shot maphttps://halfspacelab.pages.dev/explainers/how-to-read-a-shot-map/https://halfspacelab.pages.dev/explainers/how-to-read-a-shot-map/Where shots came from, how good they were and which went in, all on one pitch. The Euro 2025 final shows how much a shot map adds to a 1–1 scoreline.Thu, 22 Oct 2026 18:00:00 GMTHow to read a pass networkhttps://halfspacelab.pages.dev/explainers/how-to-read-a-pass-network/https://halfspacelab.pages.dev/explainers/how-to-read-a-pass-network/Dots for where players stood, lines for who passed to whom. Spain's network from the Euro 2025 final shows a team built on its centre-backs and right side.Thu, 22 Oct 2026 16:00:00 GMTWhat PPDA measures, and how to read ithttps://halfspacelab.pages.dev/explainers/what-is-ppda/https://halfspacelab.pages.dev/explainers/what-is-ppda/Passes per defensive action is the simplest number for how hard a team presses. At Women's Euro 2025, Spain allowed opponents the fewest passes before stepping in.Thu, 22 Oct 2026 14:00:00 GMTWhat a half-space is, and why this site is named after onehttps://halfspacelab.pages.dev/explainers/what-is-a-half-space/https://halfspacelab.pages.dev/explainers/what-is-a-half-space/The two in-between lanes of the pitch give a player the passing angles of the centre with less traffic, which is why coaches obsess over them.Thu, 22 Oct 2026 12:00:00 GMT