Blackjack table

Soft 19 (A,8) versus a dealer 2 is a stand under basic strategy for 6-deck S17; doubling is only correct against a 6.

Hard 15 against a dealer 3 is a stand per basic strategy; the dealer busts often enough with a 3 up that hitting a stiff hand loses more.

Hard 17 versus a dealer 3 is a clear stand under basic strategy; hitting risks busting with little upside.

Hard 14 against a dealer 9 is a hit per basic strategy; standing loses far more often than hitting.

Hard 12 against a dealer 10 is a basic-strategy hit; standing loses more often since the dealer busts only about 23% of the time.

Hard 8 against a dealer 10 is a basic strategy hit; doubling is not profitable here.

Hard 16 versus a dealer 10 with no surrender available: basic strategy says hit, as standing loses more often in expectation.

Hard 16 versus a dealer 9 is a hit in basic strategy with no surrender available; standing loses more often than hitting.

Hard 19 against a dealer 9 is a clear stand per basic strategy; hitting risks busting a strong hand.

Hard 20 against a dealer 7 is a stand in basic strategy; splitting tens is a losing deviation.

Hard 17 against a dealer 2 is a clear basic-strategy stand; hitting risks busting with little upside.

Hard 8 against a dealer 7 is a hit per basic strategy; doubling 8 is only marginal against 5 or 6 in some rulesets and never against 7.

Hard 10 vs dealer 7 with three cards: double is not allowed, so basic strategy says hit since 10 cannot bust and standing on 10 is far worse.

Hard 18 against a dealer 7 is a clear stand per basic strategy; hitting risks busting a strong hand.

Hard 13 versus a dealer 4 is a basic strategy stand; the dealer busts often enough with a weak upcard that hitting risks more than it gains.

Soft 18 versus a dealer 8 is a stand in basic strategy (6 decks, S17); hitting or doubling has lower expectation.

Hard 15 against a dealer 6 is a basic strategy stand; the dealer busts often enough from a 6 that hitting a stiff hand is worse.

Hard 12 versus dealer 2 is a hit per basic strategy, since the dealer busts less often with a 2 than with 4-6.

Hard 20 against a dealer 3 is a strong hand; basic strategy says stand, never split tens.

Hard 11 versus a dealer 10 is a basic-strategy double in a 6-deck S17 game with peek, since the dealer has no blackjack and our expected value is highest doubling.

Soft 15 (A-4) against a dealer 7: basic strategy says hit, not double, since the dealer's 7 is too strong to double against.

Hard 15 against a dealer 7 is a hit under basic strategy since the dealer is likely to make 17+; standing loses more often.

Hard 17 against a dealer 3 is a clear stand per basic strategy; hitting risks busting with little upside.