The real engine, running on our server. Your browser only gets the numbers. Change the enemy team and watch the maths move.Demo data: EUW ranked, patch 16.16.
Pick any enemies you like. In the desktop app this strip fills itself from live champion select, and the pool below is your own ranked history, auto-synced from your League client.
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CHAMPION
YOU
LANE
COMP
CALC WIN%
The demo player's top-lane pool, ranked. Three signals in percentage points on top of a 50% even game: You (their record + patch meta) · Lane (the measured matchup situation) · Comp (what the team needs). Click a row.
Waking the engine…
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LANE MATCHUP
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50.0%even game+—you + meta+—lane expectation+—team comp=—calc. win probability
YOU + META—
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record —%meta —%
LANE—
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COMP—
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✓ Verified: the displayed percentages were checked against 15,037 real ranked matches the engine had never seen. The number you read tracks the real win rate.