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Mechanics · Explainers

Mechanics of Gambling

How RTP, house edge, random number generators, volatility and other gambling mechanics actually work.

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What Is RTP (Return to Player)?

A detailed explanation of Return to Player (RTP), how it differs from house edge, and why long-run theoretical return does not predict an individual session.

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Updated

31 Aug 2026

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Updated 21 Oct 2026

How Casinos Put a Price on Your Play

Casinos don’t need to know how much you’ve lost to estimate your value as a customer. By tracking your bets and playing time, they calculate your theoretical win, or Theo. That figure helps determine the complimentary benefits you might receive, from food and drinks to promotional rewards.

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Updated 22 Sep 2026

Wagering Requirements Explained: What They Mean and How They Work

Learn what wagering requirements mean, how multipliers are calculated, which bets count and what bonus terms can affect withdrawal.

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Updated 22 Sep 2026

How Gambling RNGs Work: Random Number Generators Explained

How gambling random number generators work, how RNG games are tested in Great Britain and why losing streaks do not make a win more likely.

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Updated 20 Sep 2026

Volatility and Variance: Why the Same RTP Can Feel Different

Understand gambling volatility, statistical variance, outcome dispersion and why short sessions can look very different from a game's long-run RTP.

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Updated 20 Sep 2026

How Gambling Odds, Probability and Payouts Fit Together

Understand how gambling odds relate to probability, payouts and profit, how decimal odds convert into implied probability, and why odds are not the same as RTP.

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Updated 11 Aug 2026

House Edge Explained: Expected Loss, RTP and Short-Term Results

Learn what house edge measures, how it relates to RTP and expected loss, and why it cannot predict the result of an individual gambling session.

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