diff --git a/server/src/db/startup.ts b/server/src/db/startup.ts
index d438503..7d621e3 100644
--- a/server/src/db/startup.ts
+++ b/server/src/db/startup.ts
@@ -195,6 +195,7 @@ export function runMigrations() {
     CREATE INDEX IF NOT EXISTS idx_bots_elo ON bots(elo_rating);
     CREATE INDEX IF NOT EXISTS idx_bots_tier ON bots(tier);
     CREATE INDEX IF NOT EXISTS idx_bots_active ON bots(is_active);
+    CREATE INDEX IF NOT EXISTS idx_bots_active_elo ON bots(is_active, elo_rating);
     CREATE INDEX IF NOT EXISTS idx_rounds_fight ON rounds(fight_id);
     CREATE INDEX IF NOT EXISTS idx_payments_status ON payments(status);
     CREATE INDEX IF NOT EXISTS idx_payments_bot ON payments(bot_id);