Blackjack table

Hard 14 against a dealer 10 is a hit by basic strategy since standing loses too often and no surrender is available.

Hard 16 versus a dealer 6 is a basic strategy stand; the dealer busts frequently from a 6 and hitting risks busting a stiff hand.

Hard 18 versus a dealer 8 is a clear stand per basic strategy; hitting risks busting and doubling is far worse.

Hard 9 against a dealer Ace: basic strategy says hit (double only vs 3-6).

Hard 19 against dealer Ace: basic strategy says stand; hitting risks busting with very high probability.

Hard 12 vs dealer 2 is a hit per basic strategy (6 decks, S17); standing is slightly worse in EV.

Hard 9 versus a dealer ten: basic strategy says hit (double only against 3-6).

Hard 19 against a dealer King; basic strategy says stand on any hard 17 or higher.

Hard 14 against a dealer 7 is a basic strategy hit; standing loses more often since the dealer makes a hand frequently from a 7.

Hard 8 vs dealer 4: basic strategy says hit (doubling 8 is only marginal vs 5-6 in single deck; in 6-deck it's a hit).

Hard 13 against a dealer 4 is a basic strategy stand; the dealer busts often enough from a 4 that hitting a stiff hand is worse.

Hard 9 against a dealer 6 is a standard basic-strategy double in a 6-deck S17 game with doubling allowed on any first two cards.

Hard 20 versus a dealer ten is a strong hand; basic strategy says never split tens and standing maximizes expected value.

Hard 17 versus a dealer 3 is a clear stand per basic strategy; hitting risks busting far more than it gains.

Soft 14 (A,3) versus dealer 6 is a basic strategy double in a 6-deck S17 game with double allowed on any first two cards.

Hard 17 vs dealer 10: basic strategy says stand; hitting busts too often and no surrender is available.

Hard 17 against a dealer 6 is a clear stand per basic strategy; hitting risks busting with no upside.

Hard 11 versus a dealer 10 is a double in multi-deck S17 basic strategy; dealer has already peeked so no blackjack risk.

Hard 19 against a dealer 3 is a clear stand per basic strategy; hitting or doubling would risk busting a strong hand.

Hard 13 against a dealer 8 is a hit per basic strategy; standing loses too often against a strong upcard.

Hard 14 against a dealer 10 is a hit by basic strategy; standing loses far more often since the dealer makes a strong hand frequently.

Hard 18 against a dealer 10 is a stand under basic strategy; hitting busts far too often.