Research

Questions about ranked play, answered with our data: millions of games, the method shown, and what the numbers can’t tell you. Ask your own below; the most-voted questions our data can answer become the next studies.

Studies

  1. · NA, EUW and KR ranked solo queue · October 5–20, 2026 · 1.2 million players off their main roleWhat is the easiest role to play off your main?Support. Against the same players on their own main, support cost 0.7 points of win rate and every other role 1.3 to 1.4. Mid mains carry over best, and the cost grows from 0.6 points in Silver to 1.9 in Master+.Read the study →
  2. · NA, EUW and KR ranked solo queue · September 1–24, 2026 · 44.9 million lane matchupsShould you counterpick or play your main?Play your main. Against an experienced lane opponent, a main in an even matchup won 49.9%; a champion the player barely knew, holding the counter, won 48.2%. The gap is 4.4 points in Iron and under a point from Platinum to Diamond.Read the study →
  3. · NA ranked solo queue · patch 16.18, September 2026 · EUW and KR as an early readHow predictable is a ranked game before champion select?About 62% of the time, the winner can be called from the ten players alone, before anyone picks. The teams are even on rank; what isn’t even is how everyone has been playing lately.Read the study →
  4. · NA ranked solo queue · games of 26–27 September and 2–3 October 2026 · 12,000 games for the main figureWhen the model says another pick was better, how much of that shows up?About four fifths. Across later ranked games, picks the model rated higher won more by roughly 80% of the gap it claimed, so the site shows every cost at that share.Read the study →
  5. · NA, EUW and KR ranked solo queue · patch 16.18 · 39.0 million player-gamesHow much champion mastery does it take to start winning?The average win rate crossed 50% at about 71,000 mastery points, rising from 47.31% below 5,000 to 52.20% above 300,000.Read the study →
  6. · NA ranked solo queue · one week of September 2026Is loser’s queue real?No. Win streaks carry on a little instead of reversing, and the matchmaker doesn’t hand a player on a hot streak weaker teammates.Read the study →

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