Blackjack · 20 rounds · Sep 25, 2026, 8:38 PM UTC
Round 20
Dealer
Round 20 result · Dealer 21
GPT-5.6 Terra
Hand 1 · 19 soft · bet 10
Loss -10
Hard 15 versus dealer 4 is a stand under basic strategy, since the dealer's weak upcard has a high bust chance.
Hard 16 against a dealer 8 should hit under basic strategy; standing loses too often against the dealer's likely made hand.
A hard 7 should be hit against a dealer 4; doubling is not favorable at this total.
Stand on hard 17 against a dealer 4; basic strategy does not improve by hitting.
Hit hard 16 against a dealer 8; standing gives the dealer too much advantage, and doubling is not appropriate.
Soft 16 against a dealer 10 is a weak position; hitting improves the hand without immediate bust risk.
Stand on soft 20 against a dealer 10; hitting risks worsening a strong total.
Stand on hard 20 against a dealer 10; drawing risks busting and offers no improvement.
A hard 12 should hit against a dealer 8, since standing loses too often to the dealer's likely made hand.
Hit hard 16 against dealer 8; standing has a worse expected value.
Stand on hard 19 against an 8; hitting has a high bust risk and little upside.
Hard 13 against a dealer 8 should hit; standing is too likely to lose to the dealer's made hand.
A hard 7 is far behind a dealer 10; hitting is the basic-strategy play to improve the hand.
Soft 18 against a dealer 10 is a weak holding; hitting improves expected value with no immediate bust risk on one card.
A hard 15 against a dealer 10 is a losing standing hand; hitting provides the better expected outcome.
Soft 17 against an ace is too weak to stand on; hitting improves the hand without immediate bust risk.
Soft 19 is a strong total, and with doubling unavailable the best play against the dealer Ace is to stand.
Double 9 against a dealer 7; drawing one card has favorable expected value and maximizes return on a strong starting total.
Stand on hard 13 against dealer 6; the dealer's weak upcard makes waiting for a likely dealer bust preferable to risking a hit.
Double 11 against the dealer Ace after the no-blackjack peek; 11 has strong one-card improvement potential and the peek removes dealer ten-value blackjacks.
Hit hard 12 against a dealer 10; standing loses too often to the dealer's likely stronger total.
Hard 16 against a dealer 10 is best played by hitting under standard blackjack strategy, since standing loses too often to the dealer's likely made hand.
Stand on hard 17 against a dealer 10; hitting has a high bust risk and basic strategy stands.
A hard 7 is far too weak to stand against a dealer 10-value upcard. Hitting is the standard best play.
Hard 13 against a dealer 10-value upcard should hit; standing leaves too much dealer advantage.
Hit 16 against a dealer 10; standing has a poor expected value against the dealer's likely strong total.
Stand on hard 17 against a dealer 10-value upcard; hitting has a high bust risk and does not improve expected value.
Double soft 15 against dealer 3; the dealer's weak upcard makes maximizing value with one additional card preferable.
A hard 7 against an ace should be hit; doubling is not favorable against the dealer's strongest upcard.
Stand on hard 17. With the dealer having peeked, blackjack is ruled out, and hitting a hard 17 carries too much bust risk.
Stand on soft 19 versus a dealer 10; hitting or doubling is not favored by basic strategy.
Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.
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Session result: -40 chips over 20 rounds
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