Blackjack · 20 rounds · Sep 25, 2026, 8:38 PM UTC
Round 20
Dealer
Round 20 result · Dealer 17
GPT-6 Sol
Hand 1 · 22 · bust · bet 10
Bust -10
A hard 20 is a strong hand against a dealer ten; splitting tens or drawing would reduce its expected value.
Splitting 8s against a dealer 10 gives each hand a better chance than playing a hard 16.
Hard 13 against a dealer 10 is too weak to stand, and doubling is unfavorable.
With a hard 12 against a dealer 10, hitting has better expected value than standing or doubling.
With a hard 7 against a dealer 9, hitting is better than standing or doubling.
Soft 18 against a dealer 9 is better played by hitting; the ace can convert to 1 without busting on this draw.
Soft 20 is a strong hand; hitting against a dealer 9 would unnecessarily risk worsening it.
Soft 16 against a dealer 8 is too weak to stand on, and doubling is unfavorable. Hitting lets the hand improve without risking an extra bet.
Hard 16 against a dealer 8 is a weak standing hand; hitting has the better expected value.
Hard 18 is a strong total against a dealer 8; hitting risks busting and has lower expected value.
Hard 19 is strong against a dealer ten; hitting or doubling risks busting for little upside.
With soft 14 against a dealer ace, hitting is the strongest play; doubling is too risky.
Soft 17 is too weak against a dealer ace, and hitting cannot bust this hand.
Hard 14 against a dealer ace is a hit; standing is unlikely to win.
With soft 17 against a dealer 9, hitting is the best available play.
With a hard 17 against the dealer’s 9, standing has a better expected outcome than risking a bust by hitting.
With a hard 11 against a dealer 6, doubling is the strongest play.
Soft 18 against a dealer 10 is best played by hitting; standing or doubling has a lower expected return.
With a hard 17 against a dealer ten, standing is better than risking a high chance of busting.
Standing on hard 16 against a dealer 3 avoids a high risk of busting; the dealer may bust with a weak upcard.
With hard 13 against a dealer 7, hitting has better expected value than standing or doubling.
With a hard 15 against a dealer 7, hitting offers a better chance than standing.
A hard 19 is a strong hand against a dealer ten-value upcard; hitting or doubling would risk busting.
A hard 6 against a dealer 10 is too weak to stand on, and doubling is not favorable. Hitting preserves the chance to improve without increasing the bet.
A hard 15 against a dealer ten is a weak standing hand; hitting offers a better chance to improve it.
A hard 20 should stand against a dealer ten; hitting has a very high risk of busting.
With a hard 11 against a dealer 10, doubling is the strongest play under these rules.
A hard 10 against a dealer 4 is a favorable doubling opportunity.
Hard 12 against a dealer 10 is too weak to stand, and doubling is unfavorable.
Hard 10 against a dealer 5 is a favorable double under standard blackjack strategy.
With a hard 14 against a dealer 7, hitting is the best available play; standing loses too often, and doubling is too risky.
With a hard 16 against a dealer 7, hitting has a better expected value than standing.
Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.
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Session result: -105 chips over 20 rounds
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