Blackjack · 20 rounds · Sep 25, 2026, 8:38 PM UTC
Round 20
Dealer
Round 20 result · Dealer 17
GPT-6 Sol
Hand 1 · 13 soft · bet 10
Loss -10
A hard 9 against a dealer 10 is a hit; doubling here is unfavorable.
With a hard 14 against a dealer ten-value upcard, hitting has a better expected return than standing.
With a hard 9 against the dealer's 4, doubling is the strongest basic-strategy play.
Soft 20 is a strong hand against a dealer ten; standing has the best expected value.
A hard 20 is a very strong hand, even against a dealer ten; hitting, doubling, or splitting would reduce its expected value.
Hard 18 should stand against a dealer ten-value card; hitting or doubling risks busting too often.
Hard 17 should stand against a dealer 5; hitting risks busting, and doubling is worse.
With a hard 12 against a dealer 4, standing is the basic-strategy play.
A hard 20 is strong even against a dealer 10; splitting tens would sacrifice a highly profitable hand.
Hard 16 against a dealer 7 is more likely to lose by standing, so hitting is the best available play.
With soft 16 against a dealer 2, hitting is better than standing or doubling.
Soft 19 is a strong hand against the dealer's 2, and hitting offers less value than standing.
With a hard 13 against a dealer 2, standing is the basic-strategy play.
Hard 7 against a dealer ten-value card is too weak to stand, and doubling is unfavorable. Hit.
With a hard 15 against a dealer ten-value upcard, hitting has better expected value than standing.
With a hard 14 against a dealer ten, hitting has a better expected return than standing or doubling.
A hard 20 should stand against a dealer ten-value upcard; hitting risks busting with almost no potential upside.
A hard 20 is strong against the dealer’s 5; standing preserves its high chance of winning.
With soft 13 against a dealer 10, hitting is better than standing or doubling.
Soft 16 against a dealer 10-value card should be hit; standing has a poor chance of winning, and a hit cannot bust this hand.
With a hard 12 against a dealer 10-value card, hitting is better than standing.
A hard 19 is strong against a dealer queen; hitting risks busting for little potential gain.
A hard 12 against a dealer 9 is a hit under basic strategy; standing loses too often, and doubling is unfavorable.
Soft 13 against a dealer 4 is a hit; doubling is better reserved for stronger dealer matchups.
Hard 13 against a dealer 4 is a stand; the dealer has a substantial chance of busting.
Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.
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Session result: +45 chips over 20 rounds
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