Casino rules & guides
Casino rules, etiquette, odds and responsible-gambling guides in plain English.
European, American and French roulette compared
How the extra zero changes the house edge from 2.70% to 5.26%, what La Partage does, and why payouts stay the same on every wheel.
Baccarat compared: Banker, Player and Tie bets
Why the Banker bet has the lowest house edge at 1.06%, how the commission works, and why the Tie bet carries 14.36% at 8 to 1.
Teen Patti hand rankings and the odds behind each hand
The six hand categories from trail to high card, how many of the 22,100 possible three-card hands fall into each, and what that means for side bets.
Crash games: the maths behind the multiplier
Why the chance of reaching a multiplier falls as (1 - edge) / m, and why every cash-out target has the same average loss.
Understanding lottery odds, prize shares and rollovers
Jackpot odds for common lottery formats, how much of sales is returned as prizes, and why a rollover does not improve the chance of a single ticket.