Here are the rules for the 95.7% version of Blackjack:

BLACKJACK 95.7% RULES

Dealer stands on any 17 or above.
Dealer stands on 6 cards totaling 21 or less.
Player wins on 6 cards totaling 21 or less, except against a blackjack.
Blackjack pays 2 for 1.
Double down offered when first 2 cards total only 10 or 11.
Double down wager equals original bet.
Split offered when first 2 cards are a pair.
Split wager equals original bet.
All other wins pay 2 for 1.
Bet returned on all pushes.
Game uses one 52 card deck.

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