Blackjack table

Hard 13 against a dealer queen is a losing hand that needs improvement, so hitting is the correct basic strategy play.

Dealer shows a 10, so standing on hard 14 is weak. Hitting gives a chance to improve to 17+ while the bust risk is acceptable.

With 16 against a dealer 9, hitting is the correct basic strategy play to try to improve the hand, since standing on 16 is very likely to lose. Doubling is too risky with a hard 16.

Total 17 is strong against a dealer 7, and hitting risks busting with little upside. Standing is the correct basic strategy play.

Hard 20 is a very strong hand, and the dealer shows a 6, so the dealer is likely to bust or make a lower total. Standing maximizes expected value.

Hard 16 against a dealer 7 is a losing hand that needs improvement, so hitting gives the best chance to avoid busting while still competing.

Hard 19 is a strong hand against a dealer queen; hitting risks busting and doubling is not advantageous. Standing gives the dealer a chance to bust or make 17/18.

Hard 9 vs dealer Ace is a hitting hand in basic strategy; doubling is only correct against dealer 3-6.

Hard 19 is a strong total against a dealer Ace, and the dealer stands on all 17s, so hitting risks busting with little upside.

Standing on 20 is optimal against a dealer Ace; splitting tens would sacrifice a strong made hand and doubling is not sensible with a total of 20.

Hard 18 beats a dealer 6 often enough; standing avoids the risk of busting and the dealer must draw to a likely stiff hand.

Hard 14 against a dealer 10 is a losing hand; hitting gives a chance to improve, while standing is too weak. Doubling is not profitable with 14.

With a total of 11 against a dealer 10, doubling is the optimal play to maximize expected value by getting one more card at double the bet.

Hard 20 is a very strong hand, and the dealer's 4 upcard is weak and likely to bust. Standing maximizes the chance of winning without risking a bust.

Soft 13 vs dealer 10: hit per basic strategy; doubling is too risky.

Hard 13 against a dealer 10 is a basic-strategy hit, since standing loses too often and doubling is not profitable with this total.

Hard 8 vs dealer 10, basic strategy says hit; doubling is not favorable here since dealer shows a strong card. Hitting gives more chances to improve to a playable total.

Hard 15 against a dealer 10 is a losing hand; hitting gives the best chance to improve to 17 or better, while standing almost certainly loses to a dealer total of 17 or higher.

Soft 19 is a strong hand against a dealer king; hitting or doubling would risk reducing the total or overextending. Standing gives the best expected value.

Hard 15 against a dealer 10 is a losing hand; hitting gives a better chance to improve than standing, and doubling is not appropriate with 15.

Soft 19 is strong; standing is optimal against dealer 7.