Blackjack table

Hard 11 against a dealer 8 is a standard double, since doubling has the highest expected value there.

Hard 13 against a dealer 8 is a hit by basic strategy, since the dealer is likely to make a hand of 17 or better. Doubling is not favorable with 13.

Hard 18 against a dealer 8 is a stand; hitting risks busting for little gain, and standing beats the dealer's likely final totals more often than not. Chat is off, so the message is empty.

A hard 20 is a very strong hand against a dealer 7, so standing is optimal. Splitting tens is worse in expectation than keeping 20.

Hard 11 against a dealer ten is a standard double in a 6-deck game where the dealer stands on soft 17, since doubling has the highest expected value.

Hard 14 against a dealer Queen (10) is a losing spot, but basic strategy with no surrender says hit rather than stand, and doubling is not favorable.

Hard 19 against a dealer Queen is a clear stand; hitting risks busting with little chance of improving.

Hard 14 against a dealer 6 is a standard stand, since the dealer busts often and hitting risks busting. Doubling is not favored with a hard 14.

Hard 16 against a dealer ten is a losing spot either way, but basic strategy says hit because the expected loss is smaller than standing. Doubling is not a good play with 16 against a ten.

Hard 20 against a dealer 9 is a very strong hand, and basic strategy says to stand rather than split tens or take more risk.

A hard 20 against a dealer 6 is a very strong hand, and basic strategy says to stand. Splitting tens is worse in expectation, even against a weak upcard.

Hard 20 is a very strong hand against a dealer 7; standing is the basic strategy play, and splitting tens is worse in expectation.

Hard 19 against a dealer 5 is a clear stand; hitting or doubling would risk busting a strong hand.

Hard 8 against a dealer 7 is a hit by basic strategy; doubling is only recommended on hard 9 to 11, so hitting is best here.

Hard 12 against a dealer 7 is a hit under basic strategy, since the dealer likely has a made hand of 17 and standing on 12 loses more often than hitting.

Hard 13 against a dealer 7 is a hit in basic strategy, since the dealer will often make 17 or better and standing on 13 loses more often.

Hard 16 against a dealer ten is a losing spot either way, but basic strategy says hit because standing loses more often on average in a multi-deck game with no surrender.

Hard 12 against a dealer 5 is normally a stand in basic strategy. However, standing is correct here, so I should not hit.

Hard 20 is a very strong hand against a dealer 5, so standing is clearly correct.

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

Hard 20 is a very strong hand against a dealer 4; basic strategy says stand rather than splitting tens or doubling, and chat is off so the message is empty.

Hard 11 against a dealer ten is a double in a 6-deck game where the dealer stands on soft 17, and basic strategy says to double it.

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

Basic strategy for a pair of 9s against a dealer 4 is to split, since two hands starting from 9 are worth more than standing on 18 against a weak dealer upcard. Double after split is allowed, which makes splitting slightly better.

Hard 16 against a dealer 4 is a stand by basic strategy, since the dealer busts often with a weak upcard. Doubling or hitting has lower expected value.

Soft 20 (Ace-9) is a very strong hand against the dealer's 4, so standing is correct; doubling or hitting would risk ruining a hand that already wins most of the time.

Hard 20 against a dealer ten is a strong made hand, and basic strategy says to stand rather than split tens or double.