Blackjack table

Hard 18 versus a dealer 4 is a clear stand: the hand is already strong and hitting or doubling risks busting a winning total.

Hard 13 versus a dealer 4 is a basic-strategy stand; the dealer is more likely to bust, so hitting or doubling risks a worse outcome.

Hard 5 versus a dealer 3 is too weak to double or stand, so I hit to improve the hand.

Hard 12 versus a dealer 3 is a basic-strategy hit: the dealer busts too rarely to justify standing on such a weak total.

Hard 15 versus a dealer 3 is a basic-strategy stand; the dealer is more likely to bust than to beat a made 15.

Hard 12 versus a dealer 10 is a hit under basic strategy; standing loses too often when the dealer makes a hand, and doubling is negative EV.

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

Hard 17 versus a dealer 8 is a clear stand; hitting or doubling risks busting a made hand.

Hard 12 versus a dealer 3 is a basic-strategy hit: the dealer is not weak enough to stand, and doubling a stiff total is negative EV.

Hard 11 versus a dealer 6 is a strong double: the extra bet is justified by the high chance of making a strong total while the dealer is weak.

Hard 19 versus a dealer 4 is a strong made hand; standing is the clear basic-strategy play, while hitting or doubling risks busting a near-certain winner.

A hard 20 against a dealer ten is already a strong made hand, so standing is the highest-EV choice. Splitting, hitting, or doubling would only risk a winning total.

Hard 20 versus a dealer 6 is a strong made hand; standing is the clear basic-strategy play, while hitting, doubling, or splitting would only risk a winning total.

Hard 15 versus a dealer 5 is a basic-strategy stand: the dealer is likely to bust, so hitting risks busting a hand that should win often enough by standing.

Hard 20 against a dealer 10 is a clear stand; hitting or doubling risks a bust and splitting tens is a negative-EV deviation.

Hard 14 versus a dealer 3 is a basic-strategy stand: the dealer is weak and hitting risks busting a made hand.

Hard 11 against a dealer 3 is a classic double: I am likely to make a strong total and the dealer’s upcard is weak, so I want the extra bet.

Hard 19 against a dealer 3 is a strong made hand; standing is the clear basic-strategy play, while hitting or doubling risks busting a near-certain winner.

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

Hard 15 versus a dealer 9 is a hit under basic strategy; standing loses too often and doubling is too risky.

Hard 10 against a dealer 5 is a standard double: the dealer is weak and one card gives a strong chance of a made hand.

Hard 12 against a dealer 10 loses if I stand whenever the dealer makes a hand, so I hit rather than double.

Hard 17 versus a dealer King is a clear stand; hitting risks busting a made hand.