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A win probability calculator estimates the likelihood of winning based on team or player ratings, historical data, or Elo-style scores. Used in sports analytics and betting markets.

Formule

Win% = Wins / (Wins + Losses) | Expected record = Team strength relative to opponent | Adjusted by strength of schedule

Guide étape par étape

1Simple: P(win) = Team strength / (Team strength + Opponent strength)
2Elo: Expected score = 1 / (1 + 10^((Opp_rating − Team_rating)/400))
3More factors: home advantage, recent form, injuries
4Convert probability to odds: Odds = 1/P

Exemples résolus

Entrée

Team rated 1600 Elo vs opponent 1400 Elo

Résultat

P(win) = 1/(1 + 10^((1400−1600)/400)) = 1/(1+10^−0.5) = 76%

Questions fréquentes

What is Win Probability?

A win probability calculator estimates the likelihood of winning based on team or player ratings, historical data, or Elo-style scores. Used in sports analytics and betting markets

How accurate is the Win Probability calculator?

The calculator uses the standard published formula for win probability. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Win Probability calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Win Probability calculator use?

The core formula is: Simple: P(win) = Team strength / (Team strength + Opponent strength). Each step in the calculation is shown so you can verify the result manually.

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