From e76cb3ea8ee0ce83295d470aa527e484924e773f Mon Sep 17 00:00:00 2001
From: Valentin Haudiquet <valentin.haudiquet@canonical.com>
Date: Mon, 11 May 2026 15:24:23 +0200
Subject: [PATCH] fix/match_collector: don't show matchup with less than 30
 games

---
 match_collector/src/champion_stat.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/match_collector/src/champion_stat.ts b/match_collector/src/champion_stat.ts
index 6e83066..21a3816 100644
--- a/match_collector/src/champion_stat.ts
+++ b/match_collector/src/champion_stat.ts
@@ -688,8 +688,8 @@ async function finalizeChampionStats(champion: ChampionData, totalMatches: numbe
   // Sort matchups by score (games * winrate) in descending order
   for (const lane of champion.lanes) {
     if (lane.matchups && lane.matchups.length > 0) {
-      // Filter out matchups with insufficient games (minimum 5 games)
-      const filteredMatchups = lane.matchups.filter(m => m.games >= 5)
+      // Filter out matchups with insufficient games (minimum 30 games to avoid statistical bias)
+      const filteredMatchups = lane.matchups.filter(m => m.games >= 30)
 
       // Sort by score (games * (winrate - 0.5)^2) descending
       filteredMatchups.sort((a, b) => {