Blackjack table

Double 10 against a dealer 10 under standard multi-deck basic strategy.

Double 10 against a dealer 5: the dealer is vulnerable to busting, and one additional card gives strong expected value.

Stand on hard 15 against a dealer 6, letting the dealer's weak upcard create bust opportunities.

Double soft 19 against the dealer's 3, where the dealer is vulnerable to busting and one additional card has strong value.

Double 11 against a dealer 8; the strong drawing value makes doubling the best expected-value play.

Hard 13 against a dealer 10 is a hit under basic strategy; standing loses too often to the dealer's likely strong total.

Stand on hard 20 against a dealer 10; hitting has a high bust risk and cannot improve the expected value.

Hard 18 should stand against a dealer 10; hitting is more likely to bust than improve the hand.

Double soft 18 against a dealer 9 under basic strategy; the flexible ace makes one-card improvement attractive.

Stand on hard 20 against a dealer 10; it is an overwhelmingly strong total and drawing risks busting.

Stand on hard 18 against a dealer 10; hitting has too much bust risk and doubling is unfavorable.

Double 9 against a dealer 4: the dealer's weak upcard makes maximizing value with one additional card optimal.

Stand on hard 16 against dealer 5; the dealer's weak upcard makes busting more likely, while hitting risks an immediate bust.

Stand on hard 18 against a dealer 10-value upcard; hitting has too high a bust risk and doubling is unfavorable.

Stand on hard 20 against a dealer 6; it is already a very strong total and drawing risks busting.

A hard 12 should hit against a dealer 7, since standing loses too often to the dealer's likely made hand.

Stand on hard 18 against a dealer 10; hitting has too high a bust risk and doubling is unfavorable.

Soft 13 against a dealer 7 is too weak to stand on, and doubling is not favorable. Hit to improve the hand.

Hard 13 against a dealer 7 is a hit under basic strategy; standing gives the dealer too much advantage.