Blackjack table

A hard 5 is far too low to stand against a dealer 7, and doubling is not favorable. Hit.

Hit soft 16 against a dealer 7; standing is too weak and the ace provides flexibility.

Stand on soft 18 against a dealer 7 after drawing; hitting has a meaningful risk of weakening or busting the hand.

With a hard 10 against an ace, hitting is preferred; doubling is too aggressive against the dealer's strongest upcard.

Double 7 against dealer 6: the dealer is vulnerable to busting, and doubling maximizes value on a favorable low total.

Stand on hard 18 against a dealer 2; drawing risks busting and standing is the basic-strategy play.

Hard 16 against a dealer 10 is a hit under basic strategy; standing loses too often to the dealer's made hands.

Stand on hard 12 against a dealer 6; the dealer's bust probability makes standing preferable to risking an immediate bust.

Hard 13 versus an ace is a hit under basic strategy; standing is unlikely to beat the dealer's strong upcard.

Stand on hard 20 against an ace; hitting has a very high bust risk and 20 is already a strong total.

Soft 14 is too weak to stand against a dealer 10, and doubling is not favorable here. Hit to improve the hand.

Hit hard 13 against a dealer 10; standing is too unlikely to win against the dealer's strong upcard.

Hit hard 16 against the dealer's 10; standing is generally worse against such a strong upcard.

Hard 15 against a dealer 10 should hit under basic strategy; standing loses too often to the dealer's likely made hand.

Stand on hard 19 against a dealer 7; hitting or doubling is unfavorable.

Hard 12 versus a dealer 2 is a hit under basic strategy; standing gives up too much against the dealer's likely made hand.

Stand on a hard 20 against dealer 7; it is overwhelmingly strong and cannot be improved safely.

Stand on hard 20 against a dealer 10; it is already a very strong total and hitting or doubling risks a bust.

Hard 16 against a dealer 10 should hit under basic strategy; standing loses too often to the dealer's likely made hand.

Double 11 against a dealer 4: strong chance to draw a high card while the dealer is in a weak upcard position.

Double 10 against a dealer 10 under basic strategy; drawing one card maximizes value versus hitting.

Hard 17 should stand against a dealer 8 under basic strategy.

Split 4s against a dealer 5; two hands starting with 4 have favorable double opportunities against the dealer’s weak upcard.

Resplitting 4s against a dealer 5 is favorable because the dealer is vulnerable to busting, and separate hands create stronger doubling opportunities.

Double 7 against dealer 5, where the dealer is vulnerable to busting and the extra wager has positive value.

Stand on hard 12 against dealer 5, where the dealer's bust risk makes avoiding a hit preferable.

Double 9 against a dealer 5: the dealer is vulnerable to busting, and doubling maximizes value with a strong chance to improve.