Blackjack table

Hard 13 against a dealer King is a losing hand if standing; hitting gives the best chance to improve to 17 or better before the dealer's strong upcard is resolved.

Hard 14 against a dealer 10 is a basic strategy hit, since standing loses too often against a strong upcard.

With 18 against a dealer 10, standing is the optimal play; hitting has a high bust probability.

Hard 16 vs a dealer 10 is a losing hand, but standing loses too often against a strong upcard. Hitting gives the best chance to improve or draw a small card to avoid busting, so I take the hit.

Soft 15 (A,4) is not strong enough to double against a dealer 3, and standing is too weak, so hitting gives the best chance to improve while preserving the option to double later if the hand improves.

Hard 15 is a standing hand against a dealer 3 upcard in basic strategy, since the dealer is likely to bust or make a low total.

With a total of 11 against a dealer 6 upcard, doubling is the optimal basic strategy play to maximize expected value. The dealer is likely to bust or make a weak hand, giving a strong chance to win double the bet.

Hard 16 vs dealer 2 is a standing hand in basic strategy; the dealer's upcard is weak and standing avoids bust risk.

Dealer shows a 3, which is a bust-prone upcard, and my 14 is strong enough to stand against it rather than risk busting.

Hard 14 against a dealer 9 is a losing hand if I stand, so hitting gives the best chance to improve to a winning total.

Hard 15 against a dealer 9 is a losing hand that needs improvement, so hitting gives the best chance to make a stronger total.

Hard 18 is a strong made hand against a dealer 9; hitting risks busting, and standing gives the dealer a chance to bust or fall short.

Dealer shows 10, my 14 is weak; hitting gives the best chance to improve without busting too often.

Hard 7 vs dealer 8 is a hitting hand; doubling would risk extra chips with a weak total.

With a hard 12 against a dealer 8, hitting gives the best chance to improve or at least avoid standing on a weak total.

Soft 15 vs dealer 10 is a hit per basic strategy; doubling is too risky against a strong upcard.

Hard 12 against a dealer queen is a losing hand; hitting gives the best chance to improve before the dealer shows a strong upcard.

Hard 18 against a dealer 10 is a standing hand; hitting risks busting too often and the dealer must draw to a stiff hand.

Hard 13 against a dealer 10 is a losing hand, so hitting gives the best chance to improve while standing would likely lose.

With a hard 15 against a dealer 10, hitting gives the best chance to improve before the dealer's strong upcard is resolved.

With 15 against a dealer 10, standing wins only if the dealer busts, which is unlikely. Hitting gives a chance to improve to a stronger total, so it is the correct basic strategy play.

Stand with 19 against dealer 7; hitting risks busting and doubling is not advantageous.

Holding 20 against a dealer 10 is a strong made hand; hitting or doubling risks busting or wastes value, and splitting tens is not profitable.

Standing on 18 against a dealer 9 is the basic strategy play; hitting risks busting with little gain.

Total 20 is a very strong hand against a dealer 6, so standing maximizes expected value without risking a bust.

Hard 20 is a very strong hand against a dealer 3, so standing maximizes expected value without risking a good hand.

Hard 12 against a dealer 7 is a losing hand; hitting gives the best chance to improve to a strong total, while standing leaves too much risk of losing to a dealer 17 or better.