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  2. Roulette - Wikipedia

    en.wikipedia.org/wiki/Roulette

    Roulette ball "Gwendolen at the roulette table" – 1910 illustration to George Eliot's Daniel Deronda. Roulette (named after the French word meaning "little wheel") is a casino game which was likely developed from the Italian game Biribi. In the game, a player may choose to place a bet on a single number, various groupings of numbers, the ...

  3. Labouchère system - Wikipedia

    en.wikipedia.org/wiki/Labouchère_system

    The Labouchère System is meant to be applied to even money Roulette propositions such as Even/Odd, Red/Black or 1–18/19–36. When any of these bets are made in the game of Roulette, a spin resulting in a "0" or "00" results in a loss, so even though the payout is even money, the odds are clearly not 50/50.

  4. Martingale (betting system) - Wikipedia

    en.wikipedia.org/wiki/Martingale_(betting_system)

    Let q be the probability of losing (e.g. for American double-zero roulette, it is 20/38 for a bet on black or red). Let B be the amount of the initial bet. Let n be the finite number of bets the gambler can afford to lose. The probability that the gambler will lose all n bets is q n. When all bets lose, the total loss is

  5. Mathematics of bookmaking - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_bookmaking

    In gambling parlance, making a book is the practice of laying bets on the various possible outcomes of a single event. The phrase originates from the practice of recording such wagers in a hard-bound ledger (the 'book') and gives the English language the term bookmaker for the person laying the bets and thus 'making the book'.

  6. Advantage gambling - Wikipedia

    en.wikipedia.org/wiki/Advantage_gambling

    Sports and horse betting can be beaten by placing arbitrage bets, which involve placing bets at different bookmakers who are offering different lines . Many online sports books now offer bonuses like free bets or free money. These bonuses usually come with a stipulation that the bettor place a certain number of bets.

  7. Fixed odds betting terminal - Wikipedia

    en.wikipedia.org/wiki/Fixed_odds_betting_terminal

    A fixed odds betting terminal (FOBT, sometimes pronounced "fob-tee") is a type of electronic slot machine normally found in betting shops in the United Kingdom and introduced in 1999. The terminals allow players to bet on the outcome of various games and events which have fixed odds, with the theoretical percentage return to player (RTP ...

  8. Pay table - Wikipedia

    en.wikipedia.org/wiki/Pay_table

    A pay table is the name for the list of payouts on a slot machine or video poker machine. The table shows for each combination of symbols and the number of coins bet how many coins (or credits) the bettor will win. The pay table feature of the slot machine displays all possible winning sequences for that specific slot game.

  9. Even money - Wikipedia

    en.wikipedia.org/wiki/Even_money

    In professional gambling, even money bets typically do not have odds that are indeed 50–50. Therefore, successful gamblers have to examine any bets they make in light of the odds really being even money. [1] For example, in roulette, betting on red or black is an even money bet. However, the presence of the green 0 and the 00 means that ...