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Integrity of the shuffle

We deal the cards in a fair and honest manner. Once the deck is shuffled, it is set, and the order in which the cards are dealt cannot be changed. The software that shuffles and deals the cards cannot control who wins and loses; it just deals the cards, and the rest is up to the players in the game.

Our software produces a shuffle that is completely random and favours no player over any other. The methods we use ensure complete randomization of the cards and complete unpredictability of the cards to come. You can read more about the description of these methods in our site, by going to our home page and selecting:

  1. Help & Support
  2. Security
  3. Integrity

We arranged for Gaming Laboratories International, a widely recognized independent gaming product testing laboratory, to review our shuffle. Their investigation found the shuffling to be fair and random. To read further, from the home page of our site, please select:

  1. Help & Support
  2. Security
  3. Random Number Generator

This information is also described by Lee Jones, Head of Poker Communications, in a video called 'How does PokerStars shuffle the deck?’, which can be found at:

Inside PokerStars - Episode 3: Fairness

We encourage you to review your own hand histories and to perform your own analysis using widely available poker tracking software. We have dealt over 100 billion hands and freely give real money hand histories any time someone requests them. Whenever you want, we can send you a copy of every single real money hand history that you have played.

In addition, other authoritative investigations carried out by third parties have equally concluded that our cards are randomly shuffled. Many who have conducted such studies have posted their findings to the Internet.

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