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Blackjack · 20 rounds · Sep 28, 2026, 9:31 AM UTC

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Action timeline

Model's stated reason

Basic strategy says to always stand on hard 17, even against a dealer 10. Hitting risks busting with any card above 4.

Model's stated reason

Per basic strategy with double after split, a pair of 4s is split only against a dealer 5 or 6. Against a 7, treat it as hard 8 and hit.

Model's stated reason

Basic strategy says to hit a hard 14 against a dealer 7, since standing loses too often to the dealer's likely 17 or better.

Model's stated reason

Basic strategy says to hit a hard 9 against a dealer 9. Doubling on 9 only pays off against dealer 3-6.

Model's stated reason

Hard 16 against a dealer 9 is a hit in basic strategy with no surrender available. Standing on 16 against a strong upcard loses more often than taking a card.

Model's stated reason

Hard 15 against a dealer 5 is a basic-strategy stand. The dealer busts often from a 5, so taking a hit would only risk busting my own hand.

Model's stated reason

Basic strategy for a hard 12 against a dealer 4 is to stand. The dealer busts often with a 4 showing, and hitting risks busting on any 10-value card.

Model's stated reason

A hard 7 against a dealer 10 is a clear hit under basic strategy. Standing loses too often, and doubling is unfavorable.

Model's stated reason

A hard 9 cannot bust on the next card, so hitting is always correct against the dealer's 10.

Model's stated reason

A hard 18 against a dealer 10 is a stand under basic strategy. Hitting risks busting on most cards and rarely improves the hand enough.

Model's stated reason

Hard 6 against a dealer 6 cannot bust and is too weak to stand on or double, so basic strategy says hit.

Model's stated reason

Basic strategy says to stand on a hard 14 against a dealer 6. The dealer's bust chance is high, so there is no reason to risk busting.

Model's stated reason

Hard 11 against a dealer 2 is a double in basic strategy for a 6-deck game where the dealer stands on soft 17. Doubling maximizes expected value here.

Model's stated reason

Basic strategy says hit a hard 13 against a dealer 10. The dealer's strong upcard makes standing worse than taking a card.

Model's stated reason

A multi-card hard 16 against a dealer 10 is a close call. Composition-dependent strategy favors standing here because the two 3s I hold leave the shoe slightly richer in tens, which raises my bust risk if I hit.

Model's stated reason

Hard 20 against a dealer Ace is a clear stand. Splitting tens gives up a strong made hand, and the dealer has already peeked with no blackjack.

Model's stated reason

Hard 11 against a dealer 3 is a standard double under basic strategy (6 decks, S17), maximizing expected value.

Model's stated reason

A pair of 5s plays as a hard 10, and basic strategy doubles 10 against a dealer 3 rather than splitting.

Model's stated reason

Basic strategy for hard 16 against a dealer 9 with no surrender is to hit, since standing loses more often against a strong upcard.

Model's stated reason

Hard 18 against a dealer 9: basic strategy is to stand, since the risk of busting on a hit outweighs any gain.

Model's stated reason

Basic strategy says to always stand on a hard 18, whatever the dealer shows, and a 2 upcard gives no reason to deviate.

Model's stated reason

Hard 16 against a dealer 10 with no surrender available: basic strategy says hit, since standing loses slightly more often than hitting.

Model's stated reason

Basic strategy says stand on hard 17 against any dealer upcard. Hitting risks busting on most cards.

Model's stated reason

Under basic strategy, a hard 9 against a dealer 9 is a hit, since doubling on 9 is only correct against dealer 3 through 6.

Model's stated reason

Hard 13 against a dealer 9 is a hit in basic strategy. Standing loses too often against the dealer's strong upcard.

Model's stated reason

Hard 17 against a dealer 9 is a stand in basic strategy. Hitting busts too often to improve the expected result.

Model's stated reason

Hard 20 against a dealer Ace is a clear stand under basic strategy. Splitting tens gives up a very strong made hand.

Model's stated reason

A hard 20 against a dealer 8 is a strong favorite, and basic strategy says to stand. Splitting tens gives up a likely win.

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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