Blackjack table

Basic strategy for 6 decks with the dealer standing on soft 17 says to double hard 9 against a dealer 3. Doubling here has higher expected value than hitting.

Basic strategy for hard 16 against a dealer 7 is to hit, since the dealer likely holds 17 or better. Surrender isn't available here, so hitting is the best option.

Basic strategy says to stand on a hard 17 against a dealer 2. Hitting or doubling risks busting for little gain.

Hard 20 against a dealer 10 should stand; splitting tens gives up a strong made hand and loses expected value.

Hard 20 against a dealer 9 is a strong standing hand. Basic strategy says never split tens, because standing has the highest expected value.

Hard 16 vs dealer 10 with no surrender available: basic strategy says hit, since standing loses more often against a likely dealer 17+.

Hard 18 against a dealer 10: basic strategy says stand, because hitting busts too often to be worth it.

Hard 15 against a dealer 10 is a hit under basic strategy when surrender isn't offered. Standing loses more often because the dealer is strong.

Basic strategy says to always stand on a hard 17. Hitting busts on most cards, so it loses more than standing does, even against a dealer 10.

Basic strategy for soft 17 against a dealer 10 is to hit. Standing on 17 against a 10 loses more often, and hitting cannot bust this hand.

Basic strategy says to hit soft 18 against a dealer 10, since standing on 18 loses value against a strong upcard. A soft hand cannot bust on one card.

Soft 20 against a dealer 10 is a clear stand under basic strategy, and hitting can only lower the expected value.

Basic strategy says to hit soft 15 against a dealer 7; doubling is only correct against 4-6, and standing on 15 is weak.

Hard 15 against a dealer 7 is a hit in basic strategy, since standing loses too often to the dealer's likely 17+.

Hard 20 against a dealer 10 is a strong favorite, so standing is clearly correct and splitting tens would give up that edge.

Hard 5 against a dealer 6: basic strategy is to hit. The hand can't bust, and doubling on 5 is not favored.

A hard 7 cannot bust on a hit, so drawing is free improvement even against a weak dealer 6.

A hard 17 against a dealer 6 is a clear stand under basic strategy. The dealer has a high bust chance, and hitting would risk busting.

Hard 20 against a dealer 4 is a strong stand. Splitting tens gives up a likely win, and basic strategy says to stand.

Basic strategy for a hard 12 against a dealer 5 is to stand. The dealer's bust chance is high, while hitting risks busting with any ten-value card.

Hard 20 against a dealer 9 is a strong standing hand, and basic strategy never splits tens. Standing maximizes expected value.

Hard 10 against a dealer 5 is a textbook double under basic strategy, since the dealer has a high bust chance.

Basic strategy for a hard 9 against a dealer 3 in 6-deck S17 with DOA is to double, since it is slightly more profitable than hitting.

Basic strategy for a hard 12 against a dealer 3 is to hit, since the dealer's 3 is not weak enough to justify standing on 12.

Hard 17 against a dealer 3: basic strategy is to stand, because hitting risks busting on any 5 or higher.

Hard 20 against a dealer 7 is a strong standing hand. Splitting tens gives up a likely win, so basic strategy is to stand.