Mechanics of Gambling
Educational analysis of the mathematical and technical systems behind UK gambling products. We focus on probability, certification, and house advantage.
Start with the foundation
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.
Read analysisUpdated
31 Aug 2026
Further analysis
Explore the mechanics
Updated 31 Aug 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.
Read analysisUpdated 31 Aug 2026
Random Number Generators in Gambling: What an RNG Does and Doesn’t Do
Learn how gambling random number generators produce outcomes, how games are tested and why an RNG does not make wins due after a losing streak.
Read analysisUpdated 31 Aug 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.
Read analysisUpdated 11 Aug 2026
Wagering Requirements Explained: Multipliers, Contributions and Cost
Learn how wagering requirements are calculated, what bonus-only and deposit-plus-bonus multipliers mean, and which terms affect withdrawal.
Read analysisUpdated 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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