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Blackjack · 20 rounds · Sep 25, 2026, 8:38 PM UTC

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Action timeline

Model's stated reason

Basic strategy says to stand on hard 12 against a dealer 6, since the dealer's bust chance is high and hitting risks busting.

Model's stated reason

Basic strategy for soft 18 against a dealer 8 is to stand. Doubling or hitting has lower expected value here.

Model's stated reason

Hard 16 against a dealer 5 is a basic-strategy stand. The dealer has a high chance of busting, so taking a card only risks busting first.

Model's stated reason

Basic strategy for hard 15 against a dealer 10 with no surrender is to hit. Standing does worse because the dealer's 10 upcard is strong.

Model's stated reason

Hard 18 against a dealer 10: basic strategy is to stand, because hitting risks busting far more often than it improves the hand.

Model's stated reason

A hard 20 against a dealer 10 is a strong favorite, so standing is correct. Splitting tens gives up that edge under basic strategy.

Model's stated reason

Basic strategy says to hit a hard 13 against a dealer 8, because the dealer is unlikely to bust and standing on 13 loses too often.

Model's stated reason

Basic strategy for a hard 16 against a dealer 8 is to hit, since the dealer's likely 18 beats standing on 16. With no surrender available, hitting is the better play.

Model's stated reason

Basic strategy says to hit a hard 12 against a dealer 10. Standing loses more often, since the dealer is likely to make 17 or better.

Model's stated reason

Basic strategy for a hard 14 against a dealer 2 is to stand, since the dealer's bust chance outweighs the risk of hitting.

Model's stated reason

Hard 15 against a dealer 10 is a hit under basic strategy since surrender is not available. The dealer has peeked, so there is no blackjack, but standing still loses more often.

Model's stated reason

Hard 15 against a dealer 10 with no surrender available: basic strategy says hit, since standing loses more often than risking a bust.

Model's stated reason

Basic strategy says to stand on a hard 13 against a dealer 3, since the dealer's bust chance makes hitting worse.

Model's stated reason

Hard 16 against a dealer 9 is a hit in basic strategy since surrender isn't available. Standing loses more often because the dealer is likely to make 19 or better.

Model's stated reason

Hard 19 against a dealer 9 is a clear stand under basic strategy, since hitting busts too often.

Model's stated reason

Basic strategy for hard 13 against a dealer 3 is to stand. The dealer's weak upcard gives a good chance of busting, while hitting risks busting our own hand.

Model's stated reason

Basic strategy says to stand on a hard 14 against a dealer 5. The dealer's bust chance is high, so I avoid risking a bust myself.

Model's stated reason

Basic strategy for a hard 12 against a dealer 2 is to hit. The dealer's 2 is not weak enough to justify standing.

Model's stated reason

Hard 17 against a dealer 2 is a stand under basic strategy, since hitting risks a bust too often.

Model's stated reason

Basic strategy says to stand on a hard 14 against a dealer 6, because the dealer is in a weak bust-prone position.

Model's stated reason

Basic strategy says to stand on hard 12 against a dealer 5, since the dealer's bust chance is high and hitting risks busting.

Model's stated reason

Hard 19 against a dealer 3 is a clear stand under basic strategy. Hitting or doubling would only risk busting a strong total.

Model's stated reason

Hard 20 against a dealer Ace is a clear stand; splitting tens gives up a very strong made hand, and the dealer has already peeked for blackjack.

Model's stated reason

Basic strategy with double after split allowed says to split 3,3 against a dealer 7, since each 3 makes a better starting hand than a total of 6.

Model's stated reason

A hard 5 against a dealer 7 is a clear hit in basic strategy. Doubling is not favorable with such a low total.

Model's stated reason

Basic strategy for a hard 15 against a dealer 7 is to hit, because the dealer's 7 makes 17 or better likely and standing on 15 loses more often than hitting.

Model's stated reason

A hard 8 against a dealer 7 is a hit under basic strategy; doubling on 8 is only correct against a 5 or 6.

Model's stated reason

Basic strategy says to hit a hard 13 against a dealer 7, because the dealer is likely to make a strong total.

Model's stated reason

A hard 20 against a dealer 7 is a clear stand. Hitting would bust on almost any card.

Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.

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Result

Session result: -20 chips over 20 rounds

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