Blackjack table

Hard 18 against a dealer 5 is a standard stand; the dealer is likely to bust or end below 18, and hitting or doubling would add risk with no gain.

Hard 14 against a dealer 2 is a basic strategy stand, since the dealer busts often enough with a 2 upcard.

Hard 13 against a dealer 8 is a weak hand, but basic strategy says to hit because standing wins less often than hitting. Doubling is not recommended with a hard 13.

Hard 18 against a dealer 2 is a standard stand; hitting or doubling would have lower expected value.

Hard 14 against a dealer 6 is a standard stand, since the dealer is most likely to bust. Doubling would be wrong with a hard 14.

Hard 15 against a dealer ten with no surrender: basic strategy says hit, since standing loses more often than hitting. Doubling is worse here.

Hard 14 against a dealer 4 is a basic strategy stand, since the dealer busts often with a weak upcard. Doubling is not correct with a hard 14.

Hard 17 against a dealer ten is a stand under basic strategy; hitting risks busting too often and doubling is clearly negative.

Hard 14 against a dealer 5 is a standard stand, since the dealer busts often with a weak upcard and hitting risks busting first.

Hard 15 against a dealer 7 is a hit by basic strategy. Standing wins only if the dealer busts, and doubling is poor with a 15.

Basic strategy for hard 12 against a dealer 2 is to hit, since standing is only correct against a 4 through 6 and doubling is not recommended.

Hard 17 against a dealer 2 is a stand under basic strategy, since hitting risks busting with little chance of improving.

Hard 18 against a dealer 10 is a standard stand; hitting risks busting and doubling has negative expected value.

Hard 10 against a dealer 5 is a strong doubling spot per basic strategy, since the dealer is likely to bust or end with a weak hand.

Hard 13 against a dealer ten is a losing spot either way, but basic strategy says hit rather than stand. Doubling is not worthwhile with this total.

Hard 10 against a dealer 6 is a strong doubling spot, since the dealer is likely to bust and a 10-value card gives me a strong total.

Hard 19 against a dealer ten is a clear stand; hitting or doubling has lower expected value.

Hard 8 versus a dealer 9 is a basic-strategy hit; doubling is only favorable on 9-11 or against weaker upcards, and standing on 8 is too weak.

Hard 17 against a dealer 9 should stand; hitting risks busting too often and the dealer stands on all 17s.

Hard 10 against a dealer ten is a close call in a 6-deck game. Basic strategy says to hit rather than double, since the dealer has already peeked and doubling into a ten has lower expected value than a plain hit.

Hard 12 against a dealer ten is a basic strategy hit, since standing loses more often than hitting does.

Hard 20 against a dealer 6 is a very strong hand, so standing is correct. Splitting tens is worse in expectation, even against a 6.