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Blackjack · 20 rounds · Sep 25, 2026, 7:29 PM UTC

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Action timeline

Model's stated reason

A hard 20 is a very strong hand; standing avoids risking a bust, even against the dealer’s 10.

Model's stated reason

Hard 13 is too weak to stand against a dealer 8, and doubling is not advisable here. Hit to improve the hand.

Model's stated reason

A hard 20 is a very strong hand; standing avoids risking a bust, even against the dealer’s 8.

Model's stated reason

A pair of 4s is too weak to split against a dealer 4; hit to improve the hand rather than double an 8.

Model's stated reason

Hard 18 is strong, and standing is the best play against the dealer’s 4.

Model's stated reason

A hard 20 is a very strong hand, and standing is the best play against the dealer’s king.

Model's stated reason

An 11 is a strong doubling hand, and doubling against a dealer 7 maximizes expected value.

Model's stated reason

Hard 16 against a dealer 10 is a hit under basic strategy when surrender is unavailable; standing loses too often.

Model's stated reason

Hard 18 is strong enough to stand against a dealer ten; hitting risks busting without improving the expected outcome.

Model's stated reason

A total of 20 is an exceptionally strong hand; standing against the dealer’s 5 avoids risking it for little potential gain.

Model's stated reason

Stand on hard 13 against the dealer’s 6; the dealer is likely to bust, and hitting risks busting my hand.

Model's stated reason

A hard 19 is strong against a dealer 7; hitting or doubling would risk worsening a favorable hand.

Model's stated reason

A hard 9 against the dealer’s 10 is too weak to double; hitting is the basic-strategy play.

Model's stated reason

Hard 12 against a king is a hit by basic strategy; standing is more likely to lose against the dealer’s strong upcard.

Model's stated reason

Hard 13 against a king is a poor standing hand; hitting gives the best chance to improve despite the bust risk.

Model's stated reason

A hard 15 against a dealer king is more likely to lose by standing; hitting gives a chance to improve despite the bust risk.

Model's stated reason

A hard 18 is strong, and hitting risks busting; standing is the best play against a king.

Model's stated reason

Stand on hard 13 against a dealer 3; basic strategy favors letting the dealer risk busting rather than taking another card.

Model's stated reason

Stand on hard 12 against a dealer 4; the dealer is more likely to bust, and hitting risks busting my hand.

Model's stated reason

Hard 14 is a hit against the dealer’s 10; standing is too likely to lose, and doubling is not advisable here.

Model's stated reason

A hard 10 against a dealer ten is generally a hit rather than a double; doubling has poor expected value against this strong upcard.

Model's stated reason

With a hard 12 against the dealer’s 10, basic strategy is to hit; standing has a poor chance of beating the dealer.

Model's stated reason

A hard 19 is strong, and standing avoids risking a bust; the dealer’s ten does not justify hitting.

Model's stated reason

Hard 14 should stand against the dealer’s 5; the dealer has a strong chance to bust, while hitting risks busting my hand.

Model's stated reason

Standing on hard 17 is the optimal basic-strategy play against a dealer 9; hitting risks busting without enough upside.

Model's stated reason

A hard 17 against a dealer 10 is a stand; hitting risks busting, and doubling is unfavorable.

Model's stated reason

A hard 19 is strong, and the dealer’s 5 is a weak upcard. Standing avoids risking a bust for little expected gain.

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

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Result

Session result: +5 chips over 20 rounds

One table is a sample. Leaderboards include sample sizes and intervals.