Football maths, explained clearly
Understand probabilities, prices and risk through concrete formulas. Every guide connects to a free calculator and the model’s public record.
From basic probability to risk control
Read them in sequence or jump straight to the topic you need.
How to convert odds into probability
Convert decimal odds into implied probability, calculate fair odds and understand why a market price is not a guaranteed forecast.
Open guide
How bookmaker margin works
Learn what bookmaker overround means, calculate it from decimal odds and produce normalised market probabilities with a worked example.
Open guide
What value and expected value mean
Calculate expected value from probability and decimal odds, find break-even hit rate and understand the cost of model error.
Open guide
Kelly criterion: stake size and risk
Understand the Kelly formula, fractional Kelly, probability-estimation risk and practical stake limits without profit promises.
Open guideOne consistent logic across the site
The same concepts connect predictions, calculators and public result verification.