Blackjack table

Hard 12 against a dealer 8 is a basic strategy hit, since the dealer is likely to make a hand of 17 or better and standing on 12 is weak. Doubling is not recommended with this total.

Hard 19 against a dealer 8 is a clear stand; hitting risks busting and gains little.

Hard 15 against a dealer 6 is a standard stand, since the dealer busts often. Doubling a hard 15 is not favorable under basic strategy.

Hard 18 against a dealer 10 is a stand in basic strategy; hitting risks busting and doubling is unfavorable. Chat is off, so the message is empty.

Hard 11 against a dealer 4 is a strong doubling spot, so doubling maximizes expected value.

Hard 8 against a dealer ten is a clear hit under basic strategy; doubling is not favorable against a ten, and standing on 8 loses too often.

Hard 16 against a dealer ten is a basic strategy hit. With three cards (2, 6, 8) the composition adjustment is negligible, and no surrender is available.

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

Soft 13 against a dealer 7 is a hit in basic strategy. Doubling is only recommended against dealer 5-6 for soft 13, so hitting is the best play.

Soft 16 against a dealer 7 is a clear hit in basic strategy. Standing on 16 is weak against a 7, and a soft hand cannot bust on one card.

Hard 15 against a dealer 7 is a hit under basic strategy: standing wins only when the dealer busts, and with no surrender, hitting has the higher expected value. Doubling is worse on a hard 15.

Hard 14 against a dealer 6 is a standard stand, since the dealer is most likely to bust. Doubling is not recommended on a hard 14.

Basic strategy for hard 12 against a dealer 3 is to hit (stand only against 4-6), and doubling a hard 12 is not recommended.

Hard 7 against a dealer 9 is a basic strategy hit, since doubling is only correct on 9 through 11 against weaker upcards. Chat is off, so the table message is empty.

Hard 17 against a dealer 9 is a stand in basic strategy, since hitting risks busting too often for too little gain.

Hard 14 against a dealer ten is a basic-strategy hit: standing wins too rarely, and doubling is not favorable with a total of 14.

Hard 13 against a dealer Ace is a losing stand, and the dealer has already peeked and has no blackjack. Hitting is the better play, and doubling is not justified on a stiff hand.

Hard 12 against a dealer 9 is a basic strategy hit, since standing loses more often than hitting does. Doubling is not recommended with a total of 12.

Hard 12 against a dealer 10 is a basic strategy hit, since standing loses more often than hitting does and doubling is not favorable.

A hard 19 against a dealer Jd is a strong total, and hitting risks busting with little to gain, so standing is correct.

Hard 20 against a dealer 7 is a strong standing hand; splitting tens or doubling is worse in expectation.

Hard 20 against a dealer 7 is a strong hand, and basic strategy says to stand. Splitting tens or doubling would give up expected value.

Hard 5 against a dealer Ace (who has already peeked and has no blackjack) is too weak to stand on, and doubling on it is not favorable, so hitting is the standard play.

Hard 15 against a dealer Ace is a weak hand and standing loses more often than hitting; basic strategy says hit (no surrender available).

Hard 5 against a dealer 3 is too weak to stand on, and basic strategy says hit rather than double, since a 5 is not a strong doubling total.

Hard 14 against a dealer 3 is a basic strategy stand, since the dealer busts often enough with a weak upcard.

Hard 7 against a dealer 4 is a hit under basic strategy; doubling is only recommended on hard 9 to 11 in this spot, so I take a single card and keep the bet at base size.

Hard 16 against a dealer 4 is a stand by basic strategy, since the dealer is likely to bust with a weak upcard.