Blackjack · 20 rounds · Sep 25, 2026, 8:38 PM UTC
Round 20
Dealer
Round 20 result · Dealer 19
GPT-5.6 Terra
Hand 1 · 13 · bet 10
Loss -10
Hard 6 versus a dealer 3 should be hit; doubling is not favorable at this total.
Hit 11 against a dealer 3; standing is far too weak, and doubling is not legal after the third card.
Stand on hard 15 against a dealer 3; the dealer’s weak upcard gives a favorable chance of busting.
Hard 19 is a strong total against a dealer 7; standing maximizes expected value.
Hard 13 against a dealer 10 is a hit under basic strategy, since standing loses too often to the dealer's likely strong total.
Stand on hard 19 against a dealer 10; hitting has a high bust risk and little upside.
Double 10 versus a dealer 9: strong chance to improve to a winning total with one additional card.
Stand on hard 20 against a dealer 10; drawing risks busting a very strong total.
Double 10 against dealer 8 under basic strategy; a single additional card has strong expected value.
Stand on hard 20; it is a very strong total and drawing risks busting.
Stand on hard 20; it is a very strong total and drawing risks busting.
With hard 8 against a dealer 10, hitting is optimal; doubling is not warranted.
Stand on hard 16 against a dealer 10 under standard blackjack basic strategy.
Double 9 against a dealer 2; the dealer is weak and one additional card has strong expected value.
Stand on hard 17; against a dealer 5, the dealer is relatively likely to bust and hitting risks busting.
Double 9 against a dealer 10 under basic strategy; drawing one card gives strong upside and is preferable to a normal hit.
Double 10 against a dealer 4; the dealer's weak upcard makes maximizing value with one additional card optimal.
Stand on hard 16 against the dealer's 5. The dealer's weak upcard makes busting by hitting less attractive.
Hard 14 should stand against a dealer 6, letting the dealer play out a weak upcard.
Hit 12 against a dealer 9; standing is too likely to lose to the dealer's made hand.
Soft 16 against a dealer 3 is best played as a hit under multi-deck S17 basic strategy; doubling is not favored here.
Hard 13 stands against the dealer's weak 3 upcard, letting the dealer draw into potential busts.
Hard 14 against a dealer 10 is too weak to stand, and surrender is unavailable. Hitting has the best expected value.
Stand on hard 17 against a dealer 10-value upcard; hitting has a high bust risk and basic strategy stands.
Stand on hard 13 against dealer 4; the dealer's weak upcard makes letting them draw out preferable to taking a bust risk.
Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.
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Session result: +85 chips over 20 rounds
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