Blackjack table

Basic strategy for a hard 14 against a dealer 9 is to hit, because standing on 14 against a strong upcard loses more often. Doubling is not favorable here.

Basic strategy says to hit a hard 16 against a dealer 9 when surrender isn't available. The three-card composition exception applies against a 10, not a 9.

In 6-deck basic strategy where the dealer stands on soft 17 and has already peeked, hard 11 against an Ace is a hit, not a double. Hitting gives a slightly better expected value.

Basic strategy for a hard 13 against a dealer Ace is to hit, since 13 rarely wins by standing against a strong upcard.

Hard 14 against a dealer Ace is a hit under basic strategy. The dealer has already peeked and has no blackjack, so they are likely to make a strong total and standing on 14 loses more often.

Hard 15 against a dealer 10 with no surrender available: basic strategy says hit, because standing loses more often.

Hard 17 against a dealer 10: basic strategy is to stand, because the risk of busting on a hit outweighs any gain.

Basic strategy says to hit a hard 13 against a dealer 7, because the dealer is likely to make a strong total and standing loses more often.

A hard 20 against a dealer Ace is a clear stand under basic strategy. Splitting tens gives up a very strong hand.

Basic strategy for hard 15 against a dealer 10 with no surrender available is to hit, since standing on 15 loses more often against a strong upcard.

Hard 20 against a dealer 5 is a strong made hand, and basic strategy never splits tens. Standing maximizes expected value.

Hard 20 against a dealer 8 is a strong made hand, and basic strategy is to stand. Splitting tens gives up a likely win.

A hard 20 against a dealer 6 is a very strong hand, and basic strategy says to stand. Splitting tens gives up a likely win.

Hard 16 vs dealer Ace with no surrender available and the dealer standing on soft 17: basic strategy is to hit, since standing on 16 loses more often against an Ace.

Standing on hard 20 is the basic-strategy play. Splitting tens against a dealer 5 gives up a very strong total and has lower expected value.

Basic strategy for a hard 12 against a dealer 9 is to hit, since the dealer's strong upcard makes standing worse than taking the bust risk.

Hard 20 against a dealer 10 is a clear stand under basic strategy. Splitting tens throws away a strong made hand.

Hard 19 against a dealer 10 is a clear stand under basic strategy. Hitting or doubling would risk busting a strong total.

Basic strategy for soft 17 against a dealer 7 is to hit; doubling only applies against 3-6. Standing on 17 against a likely 17 is weaker than drawing, since hitting cannot bust.

Soft 20 against a dealer 7 is a clear stand under basic strategy. It beats the dealer's likely 17 and would be hurt by taking another card.

Basic strategy: a hard 13 against a dealer 4 is a stand. The dealer has a high chance of busting, so I shouldn't risk busting myself.

Under basic strategy, hard 14 against a dealer 10 is a hit when surrender is unavailable. Standing loses more often, since the dealer is likely to make 17 or better.

Soft 20 against a dealer 9 is a clear stand under basic strategy. Twenty beats most of the dealer's likely outcomes.