Blackjack table

Hard 16 against a dealer 6 is a basic-strategy stand. The dealer busts often from a 6, so I shouldn't risk busting myself.

Basic strategy with 6 decks, dealer stands on soft 17 and double after split allowed: split a pair of 7s against a dealer 2 for higher expected value than standing on 14.

A hard 17 against a dealer 2 is a stand under basic strategy, since any hit risks busting with little upside.

Basic strategy for 6 decks where the dealer stands on soft 17 is to stand on soft 18 against a dealer 2. Doubling only pays off against a 3 through 6.

Hard 20 against a dealer 6 is a strong standing hand. Splitting tens gives up a likely win and is worse by basic strategy.

A hard 20 against a dealer 8 is a strong favorite, so standing is clearly correct. Splitting tens gives up a near-certain winning hand.

Basic strategy for a hard 13 against a dealer Ace (S17, dealer peeks) is to hit. Standing on 13 against an Ace loses more often than taking a card.

Basic strategy for hard 13 against a dealer 10 is to hit, since the dealer's strong upcard makes standing worse than the risk of busting.

Basic strategy for a hard 12 against a dealer 3 is to hit. With S17 and six decks, hitting carries a slightly better expected value than standing.

Hard 20 against a dealer 3 is a clear stand under basic strategy, and hitting would bust on almost every card.

Hard 20 against a dealer 6 is a strong standing hand. Splitting tens gives up a likely win for lower expected value under basic strategy.

A hard 20 against a dealer 4 is a clear stand under basic strategy. Splitting tens gives up a very strong made hand.

Hard 15 against a dealer 10 with no surrender available: basic strategy is to hit, since standing loses more often against a strong upcard.

Basic strategy says to stand on hard 15 against a dealer 2, because the dealer has a meaningful bust chance and hitting risks busting.

Hard 13 against a dealer 5 is a basic-strategy stand, because the dealer busts often from a weak upcard.

Hard 15 against a dealer Ace calls for a hit under S17 basic strategy when surrender isn't available. Dealer peek is already done, so standing on 15 against a strong upcard is worse.

Basic strategy says to hit hard 16 against a dealer Ace when surrender isn't available. The dealer's strong upcard makes standing worse than taking the bust risk.

Under basic strategy, a hard 12 stands against a dealer 6. The dealer's bust risk is high, so taking a card and risking our own bust gains nothing.

Hard 6 against a dealer Ace is a clear hit under basic strategy. Standing or doubling would be far worse.

A hard 8 cannot bust on a hit, so hitting is clearly better than standing against a dealer Ace.

Hard 18 against a dealer Ace with S17 is a basic-strategy stand. Hitting risks busting on most cards, and 18 is the best this hand is likely to get.

Hard 12 against a dealer 6 is a basic-strategy stand, since the dealer busts often showing a 6. Hitting here risks busting for no gain.