It was built by Henry Labouchere who formulated it to be used for the roulette desk, especially the outside even odds bets like purple/black or odd/even. On the other hand, it could be applied to other even-odds online games like baccarat, blackjack, As well as in sports activities betting likewise. http://victorianhalloween.com/2020/03/01/some-suggestions-to-pick-a-great-online-casino-which-is-right-for-an-individual/