Blackjack table

Hard 20 against a dealer 4 is a strong made hand, and basic strategy is to stand. Splitting tens gives up a likely win.

Hard 11 against a dealer 6 is a textbook double under basic strategy. The dealer's bust chance is high and any 10-value card gives us 21.

Hard 20 against a dealer 10 is a strong standing total. Splitting tens gives up a likely win, so basic strategy is to stand.

Basic strategy for a hard 12 against a dealer 10 is to hit, since standing loses more often against a strong upcard.

Hard 15 against a dealer 5 is a basic-strategy stand. The dealer has a high chance of busting, so I avoid risking a bust myself.

Basic strategy says to hit soft 14 against a dealer 9; doubling only pays off against dealer 5-6, and standing on 14 is weak.

Basic strategy for a hard 14 against a dealer 9 is to hit, because the dealer's strong upcard makes standing lose more often than the risk of busting.

Basic strategy says to hit a hard 13 against a dealer 8. The dealer is fairly likely to finish with 17 or more, so standing does worse than taking a card.

Basic strategy says to double a hard 9 against a dealer 3 through 6. The dealer's 5 is a weak upcard with a high bust chance.

Basic strategy says to stand on a hard 13 against a dealer 3 in a 6-deck S17 game. The dealer busts often from a weak upcard, and hitting risks busting.

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

Basic strategy says to hit a hard 14 against a dealer 8, because the dealer's strong upcard makes standing worse than taking the bust risk.

A hard 19 against a dealer 7 is a clear stand under basic strategy. Hitting or doubling would only risk busting a strong hand.

Basic strategy for soft 13 against a dealer 6 in a 6-deck S17 game with double allowed on any first two cards is to double. The dealer's 6 is the weakest upcard.

Hard 16 against a dealer 10: surrender isn't offered, so basic strategy says hit, which loses slightly less than standing.

Hard 16 against a dealer 8 is a hit in basic strategy, since the dealer is too likely to finish 17-18 for standing to pay off, and surrender isn't available.

Basic strategy says to hit soft 17 against a dealer 10. Standing on 17 does poorly against a strong upcard, and hitting cannot bust this hand.

Hard 17 against a dealer 10: basic strategy says stand, since hitting busts too often.

Hard 15 against a dealer 10 is a hit under basic strategy when surrender is not available. Standing loses more often, because the dealer will usually make 17 or better.

A hard 19 against a dealer 10 is a stand under basic strategy. Hitting risks busting for very little gain.

Basic strategy says to hit a hard 13 against a dealer 9, because the dealer rarely busts with a 9 showing.

A hard 20 against a dealer 9 is a clear stand, since any hit very likely busts and 20 is a strong total.

Basic strategy says to double a hard 11 against a dealer 2 in a 6-deck S17 game, since doubling has the highest expected value here.