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Free Online Blackjack Trainer & Strategy Simulator

Play instantly with free virtual chips. Turn on Pro Strategy Hint to see the mathematically optimal move for every hand, and track how often you match it.

Chips: 10,000Standard table · bets 10–5,000
Chips: 10,000

Blackjack pays 3 to 2

Dealer stands on all 17s · 6 decks · Double after split

Dealer

Bet 0

You

How the Pro Strategy Hint works

The hint uses standard basic strategy for the rules on this table: six decks, dealer stands on soft 17, double down on any first two cards, double after split allowed, no surrender. It reads your hand (hard total, soft total, or pair) and the dealer's up card, then shows Hit, Stand, Double or Split. When a double or split is not allowed, it shows the best legal alternative.

Basic strategy does not guarantee a win on any hand. It is the play that loses the least over the long run. With these rules the house edge against perfect basic strategy is roughly half a percent.

Basic strategy cheat sheet

Hard totals
You2345678910A
5–8HHHHHHHHHH
9HDDDDHHHHH
10DDDDDDDDHH
11DDDDDDDDDH
12HHSSSHHHHH
13SSSSSHHHHH
14SSSSSHHHHH
15SSSSSHHHHH
16SSSSSHHHHH
17+SSSSSSSSSS
Soft totals
You2345678910A
A,2HHHDDHHHHH
A,3HHHDDHHHHH
A,4HHDDDHHHHH
A,5HHDDDHHHHH
A,6HDDDDHHHHH
A,7SDsDsDsDsSSHHH
A,8SSSSSSSSSS
A,9SSSSSSSSSS
Pairs
You2345678910A
A,APPPPPPPPPP
10,10SSSSSSSSSS
9,9PPPPPSPPSS
8,8PPPPPPPPPP
7,7PPPPPPHHHH
6,6PPPPPHHHHH
5,5DDDDDDDDHH
4,4HHHPPHHHHH
3,3PPPPPPHHHH
2,2PPPPPPHHHH

H = Hit · S = Stand · D = Double (hit if not allowed) · Ds = Double (stand if not allowed) · P = Split

Rules at this table

  • Blackjack pays 3 to 2. Wins pay 1 to 1. Ties push.
  • Dealer checks for blackjack with an ace or ten showing.
  • One split per round. Split aces receive one card each.
  • The shoe is reshuffled when about 75% has been dealt.

Want a shared challenge? Try the Daily Challenge, or test betting systems in the Roulette Strategy Tester. Official rules and odds explanations are in our blackjack guide.