Spanish 21 · Basic strategy

The right play for every hand

Total-dependent optimal strategy (infinite-deck exact DP) for each rules combination. 48-card Spanish deck — no 10-spots, and a player 21 wins immediately. Adjust the rules below and the chart updates instantly. Shared with the hand calculator.

Ruleset

384 rules combinations. 48-card Spanish deck, no 10-spots. Redouble is H17-only.

Decks

Dealer on soft 17

Redouble

Double on

Surrender

Draw to split aces

Max split hands

Active rules: 6 decks · H17 · double any cards · surrender+rescue · split to 4

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Hit

Stand

Double

Split

Surrender

Show EV(exact % of initial bet; colors = recommended action)

Source: the Spanish 21 chart pack (384 rulesets). D = double, R = surrender / rescue (rescue recovers the original bet after doubling).