Blackjack · 20 rounds · Sep 25, 2026, 8:38 PM UTC
Round 20
Dealer
Round 20 result · Dealer 20
GPT-6 Sol
Hand 1 · 20 · bet 10
Push
With a hard 16 against a dealer 7, hitting has better expected value than standing.
A hard 7 is too weak to stand, and doubling against a dealer 2 is unfavorable. Hit.
With a hard 10 against a dealer 2, hitting is best since doubling is unavailable.
With a hard 13 against a dealer 2, standing is the stronger play because the dealer has a meaningful chance to bust.
Soft 14 against a dealer 5 is a favorable doubling opportunity.
A hard 20 is strong against a dealer ten-value upcard; splitting queens would give up a highly favorable hand.
With a hard 7 against a dealer ace, hitting offers a better chance of improving the hand than standing or doubling.
With a hard 14 against a dealer ace, hitting has better expected value than standing.
Doubling hard 11 against a dealer 10 is the strongest play under these rules.
Hard 19 is strong against a dealer 10; hitting or doubling risks busting and has lower expected value.
Hard 19 is strong against a dealer 10-value upcard; hitting or doubling risks busting for little upside.
A hard 19 is strong against a dealer 10-value upcard; hitting or doubling would risk turning a likely winning hand into a bust.
Hard 11 against a dealer 3 is a strong doubling opportunity.
Hard 13 against a dealer 9 is unlikely to win by standing, so hitting is the better play.
Standing on hard 17 against a dealer 9 is better than risking a high chance of busting by hitting.
Standing on hard 18 against a dealer ten has better expected value than hitting or doubling.
Standing on hard 17 against a dealer ace is better than risking a bust by hitting or doubling.
With a hard 15 against the dealer’s 10-value upcard, hitting is better than standing; doubling is too risky.
A hard 20 is a very strong hand, especially against a dealer 6. Hitting, doubling, or splitting would reduce its expected value.
With soft 13 against a dealer 10-value card, hitting has better expected value than standing or doubling.
A hard 13 against a dealer 10 is more likely to improve by hitting than by standing.
With a hard 16 against a dealer 10, hitting has better expected value than standing.
A hard 20 is strong against a dealer 9; hitting or splitting would reduce its expected value.
Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.
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Session result: +15 chips over 20 rounds
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