Blackjack table

Hard 20 versus a dealer queen is a clear stand; hitting or doubling risks a bust and splitting tens is negative EV.

Hard 12 versus a dealer 2 is a hit under basic strategy; standing loses too often and doubling is not justified.

Soft 20 is already a strong made hand against a dealer 6, so standing is clearly better than hitting or doubling.

Hard 15 versus a dealer 7 is a hit under basic strategy; standing loses too often to a made dealer hand, and doubling is not justified.

Soft 17 versus a dealer 9 is a hit in basic strategy; standing is too weak and doubling is only correct against weaker upcards.

Hard 13 against a dealer 9 is a hit under basic strategy; standing loses too often to a made dealer hand.

Hard 17 against a dealer 2 is a clear stand; hitting or doubling risks busting a made hand.

Hard 10 versus a dealer King is a hit in basic strategy; doubling is only favored against dealer upcards of 2 through 9.

Hard 20 versus a dealer king is a strong made hand; hitting risks busting and standing is the clear basic-strategy play.

Hard 5 versus a dealer 10 is too weak to double or stand; hitting is the basic-strategy play to build a playable total.

Hard 15 versus a dealer Queen is a clear hit under basic strategy; standing would lose too often to the dealer's strong upcard.

Hard 20 against a dealer queen is a strong made hand, so standing avoids the high risk of busting.

Hard 14 against a dealer 8 is a clear hit in basic strategy; standing loses too often and doubling is not justified.

Hard 15 against a dealer 6 is a stand in basic strategy: the dealer is weak and likely to bust, while hitting risks busting a made hand.

Hard 12 versus a dealer 6 is a stand: the dealer is weak and likely to bust, so hitting risks busting a made hand.

Hard 13 against a dealer 6 is a stand in basic strategy; the dealer is more likely to bust, and hitting or doubling risks busting a made hand.

Hard 12 versus a dealer 10 is a hit under basic strategy; splitting sixes is only correct against weaker upcards, and standing or doubling is worse.

Hard 14 against a dealer 10 is a clear hit under basic strategy; standing loses too often when the dealer makes a hand.

Hard 19 against a dealer Queen is a clear stand; hitting or doubling risks busting a strong made hand.

Hard 16 versus a dealer 10 is a clear hit under basic strategy; standing loses too often and doubling is too risky.

Hard 19 against a dealer jack is a strong made hand; hitting risks busting and standing is the clear basic-strategy play.

Hard 17 versus a dealer 3 is a clear stand; hitting or doubling risks busting a made hand.

Hard 6 versus a dealer King is a clear hit in basic strategy; standing or doubling would be far worse.

Hard 16 versus a dealer King is a hit under basic strategy; standing loses whenever the dealer makes 17 or better.

Hard 19 against a dealer King is a strong made hand; hitting risks busting and standing is the correct basic-strategy play.