Blackjack table

Pair of fives is played as hard 10, and hard 10 versus a dealer 5 is a double in basic strategy. Splitting fives is avoided because it breaks up a strong doubling total.

Hard 18 versus a dealer 9 is a clear stand; hitting or doubling risks busting a strong made hand.

Hard 16 versus a dealer 10 is a clear hit in basic strategy; standing loses more often and doubling is far too risky.

Hard 13 versus a dealer Queen is a clear hit under basic strategy; standing loses too often and doubling is too risky.

Hard 17 against a dealer 10 is a clear stand; hitting busts on any 5 or higher and the expected value of standing is better.

Hard 20 is a made hand against a dealer 9; hitting or doubling risks busting a near-certain win, and splitting tens is -EV.

Hard 9 against a dealer 2 is a hit under basic strategy; doubling is only favored against 3 through 6.

Soft 20 is a strong made hand against a dealer 2, and hitting risks turning it into a worse total. Standing is the clear basic-strategy play.

Pair of 8s totals 16 against a dealer 10, and basic strategy says to split rather than hit or stand.

Hard 18 against a dealer 10 is a clear stand; hitting or doubling risks a strong made hand.

Hard 18 against a dealer king is a clear stand; hitting or doubling risks busting a strong total.

I have a hard 20 against a dealer 4, which is a strong made hand. Standing is clearly best; hitting, doubling, or splitting tens would only risk a winning total.

Hard 12 versus a dealer Queen is a hit under basic strategy; standing loses too often to a made dealer hand and doubling is too risky.

Hard 13 against a dealer Queen is a weak total, and basic strategy says to hit rather than stand and hope the dealer busts.

Hard 9 against a dealer 10 is a hit in basic strategy; doubling is only correct versus weak upcards.

Hard 19 against a dealer king is a strong made hand; hitting risks busting and standing is the correct basic-strategy play.

Hard 13 versus a dealer 3 is a basic-strategy stand: the dealer is weak and hitting risks busting a made hand.

Hard 18 versus a dealer King is a clear stand; hitting or doubling risks busting a made hand.

Hard 16 versus a dealer 2 is a basic-strategy stand: the dealer is weak and hitting risks busting a made total.

Hard 12 versus an Ace is a hit under basic strategy; splitting sixes is only correct against dealer 2–6, and standing or doubling is worse.

Hard 16 versus an Ace is a hit under basic strategy; standing loses to any dealer total of 17 or more.

Hard 19 is a strong total; hitting risks busting on most cards, so standing is correct against the dealer Ace.

Hard 18 against a dealer 5 is a strong made hand; standing is the basic-strategy play, while hitting or doubling risks busting a likely winner.

Hard 10 versus a dealer 10 is a hit under basic strategy; doubling is only correct against weaker upcards, and standing on 10 is far too weak.

Hard 15 against a dealer 10 is a clear basic-strategy hit; standing loses too often when the dealer makes a hand.

Hard 11 versus a dealer ten is a clear double: the extra card is likely to make a strong total and the doubled stake is +EV.