Blackjack table

Hard 20 against a dealer 10 is a strong hand, and standing is the basic strategy play. Splitting tens or doubling has lower expected value.

Hard 15 against a dealer ten is a basic strategy hit, since surrender is unavailable and doubling has negative expectation here.

Hard 19 against a dealer ten is a clear stand; hitting risks busting and doubling has negative expected value.

Soft 18 versus a dealer 2 with S17 rules: basic strategy for 6 decks says double only against 3-6 and stand against 2, 7, 8, so standing is correct.

Basic strategy says always split 8s, including against a dealer ten. Splitting turns a weak hard 16 into two hands starting from 8, which loses less over time than standing or hitting on 16.

Hard 18 against a dealer ten is a stand in basic strategy; hitting risks busting and doubling has negative expected value here.

Soft 19 against a dealer ten is a stand in basic strategy; doubling or hitting has lower expected value against a strong upcard.

Hard 20 against a dealer 5 is a very strong hand, so standing is the basic strategy play. Splitting tens or doubling gives up expected value.

Hard 14 against a dealer ten is a losing spot either way, but basic strategy says hit because standing loses more often. Doubling is not advisable on 14 against a ten.

Hard 16 against a dealer 7 is a basic strategy hit, since the dealer likely has a made hand of 17 or better. Doubling is not advised on 16.

Hard 17 (9+7+A with the ace counted as 1) against a dealer 7 is a stand; hitting risks busting for little gain.

Hard 13 against a dealer 2 is a basic strategy stand, since the dealer busts often enough with a weak upcard.

Hard 20 is a very strong hand against a dealer 5; basic strategy says stand rather than split tens or double.

Hard 12 against a dealer 9 is a basic-strategy hit: standing loses too often against a likely 19, and doubling is not correct with this total.

Hard 13 (2, Q, A counted as 1) against a dealer 9 is a basic-strategy hit, since standing on 13 loses too often against a strong upcard.

Hard 18 against a dealer 2 is a standard stand; hitting risks busting and doubling has negative expected value.

Hard 19 is a strong hand against a dealer 5, which is a weak upcard, so standing is the correct basic strategy play. Chat is off, so the message is empty.

Hard 9 against a dealer 10 is a hit in basic strategy for multi-deck games, since doubling is only marginally profitable against a 2 through 6 upcard, so hitting is best here.

Hard 16 against a dealer Jack is a losing spot either way, but basic strategy says to hit. Standing loses more often than hitting does, and no surrender is available.

Hard 15 against a dealer 7 is a hit by basic strategy, since the dealer's likely total of 17 beats a stand. Doubling is not favorable with a hard 15.

Hard 19 against a dealer 8 is a clear stand; hitting or doubling would risk busting or overcommitting on a hand that is already strong.

Hard 17 against a dealer ten is a standard stand; hitting risks busting too often and doubling is clearly wrong.

Soft 18 against a dealer 4 is a standard double in multi-deck blackjack when the dealer stands on soft 17. Doubling gives the best expected value against a weak upcard.

Hard 12 against a dealer 8 is a basic strategy hit: standing is only correct against a 4-6, and doubling requires 9-11.

Hard 13 against a dealer 8 is a hit under basic strategy, since standing on 13 loses more often than hitting.