Blackjack table

Hard 11 against a dealer 4 is a strong double: I am favored to make a high total and the dealer is likely to bust or finish weak.

Soft 14 versus a dealer 3 is a hit in basic strategy; doubling is only correct against 5 or 6.

Hard 14 against a dealer 3 is a basic-strategy stand: the dealer is more likely to bust than to beat a made 14, and hitting risks busting.

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

Hard 9 versus a dealer 8 is a hit under basic strategy; doubling is only correct against weaker upcards.

Hard 13 vs dealer 8 is a hit under basic strategy; standing loses too often to an 8 upcard.

Hard 15 against a dealer 8 is a hit under basic strategy; standing loses too often to an 8 upcard.

Hard 13 against a dealer 4 is a basic-strategy stand: the dealer is weak and likely to bust, so hitting risks a bust unnecessarily and doubling is not justified.

Hard 13 against a dealer 5 is a basic-strategy stand: the dealer is weak and likely to bust, so hitting risks busting a winning hand.

Hard 10 versus an Ace is a hit in basic strategy; doubling is only correct against dealer 2–9.

Hard 19 is a strong made hand; hitting risks busting on almost any card, so standing is the correct play against the dealer ace.

Hard 20 versus a dealer 6 is a strong made hand; standing is the clear basic-strategy play, while hitting, doubling, or splitting would only risk a winning position.

Hard 15 against a dealer 5 is a basic-strategy stand: the dealer is weak and likely to bust, and hitting or doubling a stiff total is negative EV.

Hard 19 versus an Ace is a strong made hand; standing is the clear basic-strategy play, while hitting or doubling risks busting a near-certain winner.

A pair of fours totals 8 against a dealer 2, which is too weak to stand or double. Basic strategy is to hit rather than split fours versus a 2.

Hard 17 against a dealer 2 is a clear stand; hitting risks busting and the dealer is likely to bust or finish lower.

Soft 17 versus a dealer 4 is a basic-strategy double in this six-deck, stand-on-soft-17 game: the ace gives a strong chance to improve while the weak upcard favors taking the extra bet.

Pair of sevens against a dealer 7 is a basic-strategy split, giving two hands starting at 7 instead of a hard 14.

Hard 9 versus a dealer 7 is a standard double when doubling is allowed, since the extra bet has positive expectation.

Soft 18 versus a dealer 7 is a basic-strategy stand: doubling is only favored against weaker upcards, and hitting risks busting a strong total.

Hard 9 versus a dealer 2 is a hit in basic strategy; doubling is only correct against 3 through 6.

Hard 19 against a dealer 2 is a clear stand; hitting risks busting a strong total.

Hard 10 versus a dealer 2 is a standard double: the dealer is weak and one more card is the highest-EV play.

Hard 18 versus a dealer 5 is a clear stand: the hand is strong enough to win most of the time, and hitting or doubling risks busting a made hand.

Hard 16 versus a dealer 6 is a stand under basic strategy; the dealer is likely to bust and doubling or hitting risks a worse outcome.

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