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The gambling encyclopedia · Romania

Gambling, explained to the last digit.

How the games work and what their mathematics says, who holds an ONJN licence in Romania and where the world's land-based casinos are. No advertising and no links to operators.

The mathematics of the games The world's casinos, by country

The European wheel has 37 pockets, but the payouts are worked out as if there were 36. The difference, the green zero, is the house edge: 2.70% of every stake, on average.

01 Official registers

The database, today

Data extracted on 06.10.2026

02 Mathematics

The house edge, computed

Every casino game is built so that, in the long run, the house keeps part of the stakes. The percentages are computed by the site from the rules of the games, not copied.

No betting system changes them. Betting systems

  • 0.57%Blackjack, with basic strategyper 100 lei0.57 lei
  • 1.06%Baccarat, banker betper 100 lei1.06 lei
  • 1.41%Craps, pass lineper 100 lei1.41 lei
  • 2.70%European rouletteper 100 lei2.70 lei
  • 5.26%American rouletteper 100 lei5.26 lei
  • 14.36%Baccarat, tie betper 100 lei14.36 lei

Each tube's level is the house edge, on one scale, from 0 to 15%.

The average loss, bet after bet. Across, the number of 1-leu bets; up, the average loss in lei.
  • Blackjack, with basic strategyafter 1,000 bets, 5.70 lei
  • Baccarat, banker betafter 1,000 bets, 10.58 lei
  • Craps, pass lineafter 1,000 bets, 14.14 lei
  • European rouletteafter 1,000 bets, 27.03 lei
  • American rouletteafter 1,000 bets, 52.63 lei
  • Baccarat, tie betafter 1,000 bets, 143.60 lei

This is the long-run average: a real series can end anywhere, but the more bets there are, the closer the average result comes to these lines.

03 Lotto 6 from 49

1 in 13,983,816

The chance that one ticket matches all six numbers in a draw. Every draw is independent of the ones before: “overdue” numbers are no more likely. Lotteries and keno

04 The world map

2,103 land-based casinos

in 56 countries

From the official lists of each country's authorities, with the source and the date of extraction. The countries, in alphabetical order:

05 Explore

Sections

06 Principles

How the site works

  • Information, not advertisingNo link, button or code leading to operators.
  • Official sources onlyEvery row carries its source and the date it was extracted.
  • Alphabetical orderNo hierarchy and no scores.
  • Computed figuresThe probabilities follow from the rules, checked by tests.