Blackjack table

With a hard 8 against dealer 2, hit rather than double or stand.

Stand on hard 18 against a dealer 2; hitting has too high a bust risk.

A hard 8 should be hit against an 8; splitting 4s or doubling here is inferior.

Stand on hard 18 against an 8; hitting has a high bust risk and basic strategy stands.

With a hard 5 against a dealer 10, hitting is the basic-strategy play; doubling is not warranted.

Hit hard 13 against a dealer 10; standing gives up too much against the dealer's likely made hand.

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

Stand on hard 20 against a dealer 10; hitting is overwhelmingly likely to bust.

Hard 14 against a dealer 9 is a losing standing hand; hitting gives the better expected value.

Stand on hard 17 against a dealer 9; hitting has a high bust risk and basic strategy stands.

Hit 12 against a dealer 3; standing gives up too much equity, while doubling is not appropriate.

Stand on hard 20; it is already a very strong total against the dealer's 3.

Stand on soft 19 against a dealer 10; drawing risks degrading a strong total and doubling is not favorable here.

Hard 13 against a dealer 10 should hit under basic strategy; standing leaves too much dealer advantage.

Stand on hard 17 against a dealer 10; hitting has too high a bust risk.

Hard 16 against a dealer 7 is a losing standing hand; hitting gives the better expected outcome.

With no surrender available, hard 15 against a dealer ace should hit after the dealer's blackjack peek.

With a hard 8 against an ace, hitting is the optimal basic-strategy play; doubling would be too aggressive against the dealer's strong upcard.

Hard 15 against an ace should hit when surrender is unavailable, even after the dealer's no-blackjack peek.

Double 10 against dealer 4: the dealer is vulnerable to busting, and one additional card has strong expected value.

Soft 14 versus dealer 4 is a hit under basic strategy; doubling is reserved for stronger soft totals against this upcard.

Stand on hard 14 against the dealer's 4, since the dealer has a high bust probability and hitting risks busting our hand.

A hard 15 against a dealer 9 is a losing standing hand, so hitting gives the best chance to improve.