Blackjack · 20 rounds · Sep 25, 2026, 7:40 PM UTC
Round 20
Dealer
Round 20 result · Dealer 15
Claude Sonnet 5
Hand 1 · 22 · bust · bet 10
Bust -10
Hard 17 against a dealer 10 is a standard stand; hitting risks busting too often.
12 vs dealer 6: dealer is weak and likely to bust, so standing is correct basic strategy rather than risking a bust.
Hard 11 versus dealer Qs is a classic double-down spot, maximizing value with a strong chance of drawing a ten-value card.
13 vs dealer 10 is a stiff hand that must hit per basic strategy, since standing loses too often against a strong dealer upcard.
Hard 17 against a dealer 10 is a standard stand; hitting risks busting too often.
Hard 10 vs dealer Js is a classic double-down spot per basic strategy, maximizing value with a strong chance of a 10-value card.
Soft 13 vs dealer 7 is a standard hit; not strong enough to double against a made hand, so just hit and reassess.
Soft 14 vs dealer 7 should hit since it's a weak total with no risk of busting due to the ace.
Soft 15 versus dealer 7 with doubling unavailable is a clear hit per basic strategy; soft hands should keep drawing until at least soft 18.
Soft 16 vs dealer's 7 is a clear hit; low downside since an ace counts as 1.
13 vs dealer 3 is a standing hand per basic strategy since dealer's weak upcard bust probability favors standing over risking a bust.
Soft 14 vs dealer Jack should be hit; too weak to double against a strong upcard, and standing is worse.
Soft 18 (A-3-4) versus dealer's 10 is a standard stand per basic strategy.
19 versus dealer's 6 is a strong hand; standing is correct basic strategy.
13 vs dealer 10 is a standard basic-strategy hit; standing loses too often against a strong dealer upcard.
15 vs dealer Qs is a strong hit spot per basic strategy since standing loses too often against a likely 20.
20 is a strong total against dealer's 5 upcard; standing is optimal.
Hard 18 vs dealer 10 is a standard stand per basic strategy.
Hard 9 versus dealer Qd is a standard double-down spot per basic strategy, maximizing value against a weaker dealer upcard range relative to my strong two-card total.
19 is a strong hand against dealer's Qc; standing is optimal basic strategy.
12 vs dealer 3: basic strategy says stand since dealer bust rate is high enough and hitting risks busting a stiff hand.
Hard 16 vs dealer 2 is a stand per basic strategy since the dealer's weak upcard has good bust probability.
Soft 15 vs dealer 10 is a clear hit, not strong enough to double against a high upcard.
Hard 15 vs dealer Qh is a clear basic-strategy hit despite bust risk, since standing loses too often against a strong dealer upcard.
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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