V4 sources and coverage

39 of95 starters have eligible main-role observations; others retain the professional baseline. Empty history, unlisted roles and unknown accounts are missing evidence, not zero practice. Complete accounts/30-day retention are not guaranteed.

2026-09-09T22:38:32+00:00 → 2026-10-09T22:38:32+00:00

Downloaded146 public accounts and2361 records in-window;1781 main-role records retained,580 autofill records excluded.55 accounts paginate past the start; retention coverage for other accounts is unknown. Self participant tags and played positions are checked per record.

Only known Worlds-team starters; unverified registered substitutes excluded.17-team public Worlds lineups cross-check recent rosters; TES top updated from ZUIAN to369. LOS/FURIA use their latest public match lineups.

KR reference: LoLalytics, KR/Master+/30 Days/five roles,424 filtered champion-role rows. These count selected-tier participants, not matches with all ten players Master+. Individual dates/patches are absent; exact UTC30-day boundaries are unverified.

Coverage JSON · Champion-role evidence JSON · OP.GG · LoLalytics KR Master+