Blackjack · 20 rounds · Sep 25, 2026, 8:38 PM UTC
Round 20
Dealer
Round 20 result · Dealer 25
GPT-6 Sol
Hand 1 · 13 · bet 10
Win +10
Hard 6 is too low to stand, and doubling against a dealer 2 is unfavorable.
A hard 9 should be hit against a dealer 2; standing is too weak, and doubling is unavailable.
A hard 19 is strong against a dealer 2; hitting risks busting and cannot improve expected value.
Hard 18 is strong against a dealer 7; hitting or doubling risks busting without sufficient upside.
Hard 14 against a dealer 10 is too weak to stand; hitting offers the best chance to improve.
A hard 20 against a dealer 10 is a strong hand; hitting, doubling, or splitting would reduce its expected value.
With a hard 14 against a dealer 10-value card, hitting has a better expected return than standing or doubling.
Splitting 9s against a dealer 8 offers better expected value than standing on 18.
Standing on hard 17 against a dealer 8 has a better expected return than hitting or doubling.
Hard 16 against a dealer 8 is more likely to lose by standing; hitting offers the better chance.
Against a dealer ace, hitting hard 15 is better than standing; doubling is too risky.
Hard 19 is a strong total; hitting risks busting and is worse than standing against a dealer ace.
With a hard 7 against a dealer 10-value card, hitting is the best play; doubling would put more chips at risk with a weak starting total.
With a hard 13 against a dealer 10-value upcard, hitting is preferable to standing.
Hard 11 against a dealer 9 is a strong doubling opportunity.
Hard 11 against a dealer 9 is a strong doubling opportunity.
With a hard 15 against a dealer 10, hitting is preferable to standing without a favorable count.
With a hard 14 against a dealer 10-value card, hitting is better than standing or splitting sevens.
With a hard 16 against a dealer 3, standing is preferable to risking a bust by hitting.
Soft 20 is a strong hand, and against a dealer ace, hitting or doubling risks worsening it.
Hard 19 is strong against a dealer ten-value upcard; hitting or doubling risks busting for little potential gain.
Soft 17 is too weak against a dealer 9, and doubling here is unfavorable. Hitting is the best play.
Soft 19 is strong enough to stand against a dealer 9; hitting risks weakening the hand.
Splitting eights against a dealer 3 is stronger than playing a hard 16.
Hard 18 is strong against a dealer 3, and hitting or doubling risks turning a favorable hand into a bust.
A hard 17 should stand against a dealer 3; hitting or doubling risks busting for little upside.
Standing on a hard 14 against a dealer 3 is the basic-strategy play.
Standing on hard 13 against a dealer 3 is the basic-strategy play.
Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.
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Session result: -25 chips over 20 rounds
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