Blackjack table

Hard 14 versus a dealer Queen is a hit under basic strategy; standing loses too often and doubling is negative EV.

Hard 15 versus a dealer 8 is a hit in basic strategy; standing loses too often to an 18 and doubling is too risky.

Hard 18 versus a dealer 8 is a clear stand; only A-3 improve the hand and most hits bust.

Hard 10 against a dealer 4 is a standard double: the dealer is weak and a ten improves the hand strongly.

Hard 19 versus a dealer 7 is a strong made hand; standing is the correct basic-strategy play, while hitting or doubling would risk a winning hand.

Hard 18 versus a dealer 6 is a strong made hand; standing is the correct basic-strategy play, while hitting or doubling risks busting a likely winner.

Hard 8 versus a dealer 9 is a clear hit; doubling is too weak and standing leaves no chance to improve.

Hard 18 against a dealer 9 is a clear stand; hitting risks busting on most cards and is worse than standing.

Hard 12 versus a dealer 5 is a basic-strategy stand: the dealer is weak and hitting risks busting more often than standing.

Hard 11 against a dealer King is a clear double in basic strategy; the dealer has already peeked and does not have blackjack.

Soft 13 versus a dealer 5 is a standard double: the dealer is weak and one extra card improves the hand without risking a hard bust.

Soft 20 is a strong made hand against a dealer 9; standing is the correct basic-strategy play, while hitting or doubling risks a much worse total.

A pair of fives should not be split; treat the hand as a hard 10 and hit against a dealer ten rather than double.

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

Hard 13 versus a dealer 5 is a stand in basic strategy; the dealer is weak and hitting risks busting a made hand.

Hard 10 against a dealer 2 is a standard double: the upcard is weak and doubling maximizes expected value.

Hard 8 against a dealer 5 is too weak to stand and is not a double; hitting is the basic-strategy play.

Hard 18 against a dealer 5 is a stand: the dealer is weak and hitting risks busting a strong total.

Hard 20 against a dealer 2 is a strong made hand; standing is the clear basic-strategy play, while hitting, doubling, or splitting tens would only risk a winning hand.

Soft 15 versus a dealer 2 is a hit under basic strategy; doubling is only correct against 4 through 6.

Hard 15 versus a dealer 2 is a basic-strategy stand; the dealer is weak and hitting risks busting a made total.

Hard 16 versus a dealer 5 is a stand in basic strategy: the dealer is weak and likely to bust, while hitting a 16 is more likely to bust the hand.

Hard 16 versus a dealer 3 is a basic-strategy stand: the dealer is weak enough that standing has higher expected value than hitting or doubling.