Blackjack table

A hard 20 against a dealer 10 is a strong hand, and basic strategy is to stand. Splitting tens gives up a likely win for two weaker starting hands.

Basic strategy says to hit a hard 15 against a dealer 10 when surrender isn't available. Standing loses more often, since the dealer will likely make 17 or better.

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

Basic strategy for soft 18 against a dealer 2 with 6 decks and dealer standing on soft 17 is to stand. Doubling is only correct against 3 through 6.

Basic strategy with no surrender says always split 8s. Against a 10 this loses less than playing a hard 16, especially with double after split allowed.

A hard 18 against a dealer 10 is a standard stand, since the risk of busting on a hit outweighs any gain.

Soft 19 against a dealer 10 is a stand in basic strategy. Hitting or doubling only lowers the expected value.

Basic strategy says to stand on a hard 20 and never split tens, even against a weak dealer 5. Twenty already wins most of the time.

Basic strategy for a hard 14 against a dealer 10 is to hit, since surrender isn't available. Standing on 14 against a strong upcard loses more often.

Under basic strategy, a hard 16 against a dealer 7 is a hit. The dealer's 7 is a strong upcard, and without surrender, hitting loses less than standing.

Hard 17 against a dealer 7 is a clear stand under basic strategy, since hitting risks busting for little gain.

Basic strategy says to stand on hard 13 against a dealer 2 in 6-deck S17. The dealer's bust chance outweighs the risk of drawing to a stiff hand.

Hard 20 against a dealer 5 is a strong made hand, so standing is best under basic strategy. Splitting tens gives up a likely win.

Basic strategy says to hit hard 12 against a dealer 9. The dealer's strong upcard makes standing worse.

Hard 13 against a dealer 9 is a hit in basic strategy, because the dealer's strong upcard makes standing worse than the bust risk.

Basic strategy says to stand on a hard 18 against a dealer 2. Hitting or doubling would give up a strong made hand.

Hard 19 against a dealer 5 is a clear stand under basic strategy. The dealer's 5 is a weak upcard with high bust odds, and any hit risks busting.

Hard 9 against a dealer 10 is a hit in basic strategy, since doubling is only correct against 3 through 6. Standing on 9 is clearly worse.

This is a three-card hard 16 against a dealer 10. Composition-dependent strategy slightly favors standing here, since the small cards already drawn leave fewer safe hits in the shoe.

Hard 17 against a dealer 10: basic strategy says stand. Hitting risks busting too often, and surrender isn't available.

A hard 19 against a dealer 8 is a clear stand under basic strategy. Hitting or doubling risks busting a strong total that is favored against the dealer's likely 18.

Hard 17 against a dealer 10 is a stand in basic strategy. Hitting risks busting too often to be worth it.

Basic strategy for 6 decks with the dealer standing on soft 17 says double soft 18 against a 3 through 6. Doubling against a 4 has a higher expected value than standing.

Basic strategy says to hit a hard 12 against a dealer 8, because standing loses more often against a strong upcard.

Hard 13 against a dealer 8 is a hit under basic strategy, since the dealer is strong and standing on 13 loses more often.