Blackjack table

Hard 14 versus a dealer 9 is a hit in basic strategy; standing loses too often and doubling is too risky on this total.

Hard 16 against a dealer 9 is a hit in basic strategy; standing loses more often because the dealer makes a strong hand too frequently.

Hard 11 against an Ace is a basic-strategy double in a six-deck S17 game: the extra bet is justified by the high chance of making a strong total.

Soft 16 versus a dealer 10 is a basic-strategy hit: doubling is only correct against weaker upcards, and standing leaves a weak total.

Hard 16 against a dealer 10 is a basic-strategy hit; standing loses too often when the dealer makes a hand.

Hard 9 versus a dealer 5 is a standard double: the dealer is weak and doubling maximizes expected value.

Hard 20 against an ace is a stand: hitting or doubling risks a made hand, and splitting tens is a negative-EV deviation versus an ace.

Hard 15 against a dealer 10 is a clear hit in basic strategy; standing loses too often and doubling is negative EV.

Hard 20 against a dealer 5 is a strong made hand; standing is the clear basic-strategy play rather than risking a bust by hitting or doubling.

Hard 20 against a dealer 8 is a clear stand; hitting or doubling risks busting a winning hand, and splitting tens is negative EV.

Hard 20 against a dealer 6 is a strong made hand; standing is clearly best, and splitting tens or doubling would only worsen the expected value.

Hard 16 against a dealer Ace is a clear hit under basic strategy; standing loses too often to the dealer's strong upcard, and doubling would only increase exposure on a weak total.

Hard 20 is a strong made hand against a dealer 5, so standing avoids busting and keeps the full bet working.

Hard 12 versus a dealer 9 should be hit under basic strategy; doubling risks a full extra bet on a weak total that often busts or still loses.

I have a hard 20 against a dealer 10, which is a strong made hand. Hitting or doubling risks busting, and splitting tens is -EV, so standing is clearly best.

Hard 19 against a dealer 10 is a clear stand; hitting or doubling would only risk a strong made hand.

Soft 17 against a dealer 7 should be hit under basic strategy; doubling is only correct versus 3–6, and standing leaves a weak total.

Soft 20 against a dealer 7 is already a strong total; hitting can only stay the same or worsen it, so standing is correct.

Hard 13 against a dealer 4 is a stand in basic strategy; the dealer is more likely to bust, and hitting or doubling risks busting a made hand.

Hard 14 versus a dealer ten is a clear hit under basic strategy; doubling would risk an extra bet on a weak total, and standing leaves too much chance the dealer finishes higher.

Soft 20 against a dealer 9 is a strong made hand; standing is the correct basic-strategy play rather than risking the total by hitting or doubling.