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Blackjack Chart: the complete basic strategy

Interactive basic-strategy chart for 1, 4, 6 and 8 decks — with S17 / H17 toggle

This blackjack chart shows the mathematically optimal action for every combination of your hand versus the dealer's up-card. It's built from basic strategy and cuts the house edge to roughly 0.5 % — provided you follow it on every single hand.

Dealer rule

Number of decks

Hard hands (no ace as 11)

Hand	2	3	4	5	6	7	8	9	10	A
5–8	H	H	H	H	H	H	H	H	H	H
9	H	D	D	D	D	H	H	H	H	H
10	D	D	D	D	D	D	D	D	H	H
11	D	D	D	D	D	D	D	D	D	D
12	H	H	S	S	S	H	H	H	H	H
13	S	S	S	S	S	H	H	H	H	H
14	S	S	S	S	S	H	H	H	H	H
15	S	S	S	S	S	H	H	H	R	H
16	S	S	S	S	S	H	H	R	R	R
17+	S	S	S	S	S	S	S	S	S	S

Soft hands (ace counts 11)

Hand	2	3	4	5	6	7	8	9	10	A
A,2	H	H	H	D	D	H	H	H	H	H
A,3	H	H	H	D	D	H	H	H	H	H
A,4	H	H	D	D	D	H	H	H	H	H
A,5	H	H	D	D	D	H	H	H	H	H
A,6	H	D	D	D	D	H	H	H	H	H
A,7	S	Ds	Ds	Ds	Ds	S	S	H	H	H
A,8+	S	S	S	S	S	S	S	S	S	S

Pairs

Hand	2	3	4	5	6	7	8	9	10	A
2,2	Ph	Ph	P	P	P	P	H	H	H	H
3,3	Ph	Ph	P	P	P	P	H	H	H	H
4,4	H	H	H	Ph	Ph	H	H	H	H	H
5,5	D	D	D	D	D	D	D	D	H	H
6,6	Ph	P	P	P	P	H	H	H	H	H
7,7	P	P	P	P	P	P	H	H	H	H
8,8	P	P	P	P	P	P	P	P	P	R
9,9	P	P	P	P	P	S	P	P	S	S
10,10	S	S	S	S	S	S	S	S	S	S
A,A	P	P	P	P	P	P	P	P	P	P

Legend

HHit
SStand
DDouble if allowed, otherwise hit
DsDouble if allowed, otherwise stand
PSplit the pair
PhSplit if Double After Split (DAS) allowed, else hit
RSurrender, else hit
RsSurrender, else stand

How to read the blackjack chart

Your hand is in the left column, the dealer's up-card on top. Where they meet is the correct action.

1
Identify your hand type
Is it a hard hand (no ace, or ace counted as 1), a soft hand (ace counted as 11) or a pair? Pick the matching chart below.
2
Set the rules
Check the table: S17 (dealer stands on all 17) or H17 (dealer hits soft 17)? Number of decks? Set both with the toggle above — the chart updates automatically.
3
Read the dealer's card
Find the dealer's up-card in the header row (2 to A). Follow it down to your hand.
4
Take the action
H = hit · S = stand · D = double (else hit) · P = split · R = surrender (else hit). See the full legend below.

Blackjack chart — FAQ

＋How much does basic strategy cut the house edge?

To around 0.5 % in classic 3:2 blackjack. Playing on gut feel usually loses 2–5 % depending on error rate. The blackjack chart is the mathematically best tool to minimise the house edge.

＋Is 'basic strategy chart' the same as 'blackjack cheat sheet'?

Yes — the terms 'blackjack chart', 'basic strategy chart' and 'blackjack cheat sheet' all describe the same complete table for every hand vs dealer up-card.

＋Does the chart work for live-dealer blackjack?

Yes. Live blackjack uses the same rules as online classic blackjack and a real shoe. Check S17 vs H17 and deck count, then pick the matching mode.

＋Does it help at 6:5 payout tables?

The actions stay mathematically the same, but the house edge at 6:5 is roughly 1.4–1.8 % — three times worse than 3:2. Avoid 6:5 blackjack.

＋Is card counting the same as using the chart?

No. Basic strategy (the chart) is fully legal and describes the optimal action for average deck composition. Card counting is an added layer that deviates from the chart depending on the True Count. In GGL-licensed online casinos the shoe is reshuffled every hand (RNG), so counting has no edge there.

＋Why do single-deck cells differ?

With fewer cards, conditional probabilities shift (e.g. drawing a 10 after an ace). Single-deck house edge is about 0.1–0.2 % lower — but only with 3:2 payout and correct action on the deviating cells.