Strategy charts by rules
Match pair strategy to DAS and split settings.
What DAS means
DAS stands for double after split. If DAS is allowed, you may double a newly created split hand when it qualifies under the table's doubling rules. That extra option increases the value of splitting certain pairs.
Why DAS changes strategy
Some pair splits are attractive partly because they create hands that are strong candidates for doubling. When DAS is prohibited, that extra value disappears, so a few marginal split decisions can switch to hit or stand.
Resplitting
Tables also differ on how many hands may be created by resplitting. A game might allow two, three, or four total hands. Some games permit resplitting aces; others do not. These settings matter when the same rank appears again after the initial split.
Split aces are usually special
Many games allow only one card to each split ace and then force the hand to stand. A 10-value card dealt to a split ace is usually treated as 21 rather than a natural blackjack and commonly pays even money instead of the blackjack premium. Rules vary, so verify the table.
Why a rules-aware chart matters
A pair chart that assumes DAS can be wrong at a no-DAS table. Saving the actual split rules before using strategy avoids that mismatch and makes practice more useful.
Related blackjack guides
Basic strategy guide
Review how pair decisions fit into basic strategy.
Dealer peek vs no-peek
See how dealer blackjack procedure affects split risk.