The Chi-Squared statistic is a measurement of how far the results deviate from expected. Note how the distribution is weighted towards large cards in the CSM game as opposed to the even distribution in the cut card game. Rummy (Blackjack variant popular in Costa Rica).21: Details on the Wizard\’s Simple Strategy.20: Blackjack doubling strategy when doubling after splitting aces is allowed.19: Blackjack splitting strategy when a back-player is betting.18: Basic strategy exceptions for three to six cards.16: Basic strategy when dealer exposes both cards.15: House edge using total-dependent vs.13: Probabilities in the first four cards.