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.11: Value and strategy for 678 and 777 bonuses.9: Composition-dependent expected returns for 1 to 8 decks.5: Infinite deck expected return by player hand and dealer upcard.4: Blackjack standard deviation details.
