Blackjack table

Hard 16 vs dealer 6: standing is correct since the dealer is likely to bust with a 6 upcard.

14 vs dealer 2 is a standard stand; hitting risks busting against a weak upcard.

Hard 16 vs dealer 10 is a standard hit; standing loses to any dealer non-bust, and doubling is far too risky.

Hard 13 vs dealer 10 is a standard hit; standing loses to most dealer outcomes.

13 against a dealer ace is a clear hit; standing loses far too often.

Hard 13 against a dealer 10 is a clear hit; standing loses to any dealer draw to 17+.

12 vs dealer 3 is a marginal hitting situation; basic strategy says hit since standing risks losing to dealer's likely 13-17 make.

Hard 20 vs dealer 3 is a clear stand; hitting risks busting for negligible gain.

20 is a made hand; standing against a dealer 6 maximizes EV.

Hard 20 vs dealer 4 is a clear stand; doubling risks a strong hand for negligible edge.

Hard 15 against a dealer 10 is a losing hand if stood (~22% win), so basic strategy calls for hitting; the risk of busting is lower than the expected loss from standing.

Hard 15 vs dealer 2 is a stand per basic strategy; hitting risks busting against a weak upcard.

Basic strategy: stand on 13 against a dealer 5, since the dealer is likely to bust.

Hard 15 against an ace is a losing hand; basic strategy says hit since standing loses more often than drawing.

Hard 16 against an ace is a clear hit per basic strategy; standing loses far more often.

Basic strategy: stand on 12 vs dealer 6, since the dealer is likely to bust.

Hard 6 vs dealer ace is a mandatory hit; doubling is far too risky against a likely strong dealer hand.

Hard 8 vs dealer ace is a clear hit; standing has almost no chance of winning.

Hard 18 vs dealer ace is a clear stand; hitting risks busting with little gain.

Basic strategy: stand on hard 12 against a dealer 6, since the dealer's bust risk outweighs the modest gain from hitting.