Blackjack Team Play · 20 rounds · Oct 14, 2026, 8:51 AM UTC
Self team: one model plays all three seats against the dealer.
2 of 131 decisions were server fallbacks
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Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.
Hi-Lo 6D count 0. Bet min until TC>=1.5.
table
Count 0, betting min 5.
RC -2, TC -0.3, min 5
RC -2, TC -0.4, betting min 5.
RC -2, TC -0.3, bet 5.
RC 0 after deal. I double 11 vs 4.
Hitting 6 vs 4, RC -1.
RC -1 after hit, 15 vs 4 stand.
RC 0, TC 0.0, bet 5
RC 0, TC 0.0, bet 5.
RC +3, TC +0.7, doubling 11 vs 7.
RC +3, TC +0.7, hitting hard 8 vs 7.
RC +3, TC +0.6, hitting 15 vs 7.
RC +1, TC +0.2, bet 5.
RC -1, TC ~ -0.2, doubling 11 vs K.
RC -2, TC -0.4, stand hard 17 vs K.
RC -2, TC -0.5, stand 17 vs K.
RC -2, TC -0.5, bet 5.
RC -2, TC -0.4, bet 5.
RC -1, TC -0.3, hit 14 vs T.
RC 0, stand 19 vs T.
RC 0, TC 0.0, hitting 6,6 vs T.
RC -2, TC ~ -0.5, bet 5.
Stand 15 vs 9. RC -2, TC ~ -0.5.
RC -2, TC ~ -0.5. Hitting 15 vs 9. Seat_3 should hit 13 vs 9.
RC -2, TC -0.5, hitting 13 vs 9.
RC -2, TC -0.4, hitting 16 vs 9.
RC -3, TC -0.6, bet 5.
RC -4, TC -1.1, bet 5.
Stand 19 vs 2. RC -4, TC ~ -0.7.
Stand 19 vs 2. RC -5, TC -1.4. Seat3: 15 vs 2, hit per index (TC < -1).
RC -5, TC -1.4, hitting 15 vs 2 per index.
I have hard 17 (5h,Td,2s), standing. RC -5, TC -1.4.
RC -3, TC -0.65, bet 5
RC -3, TC ~ -0.65, bet 5
Double A4 vs Q. RC -6, TC ~ -1.7.
Seat2 stands on soft 20 vs Q.
Standing on hard 17 vs Q. RC -6, TC -1.7.
RC -7, TC ~ -1.6, 5 decks remain. Min bet.
RC -7, TC -1.6, 5 decks remain, bet 5.
RC -13, TC -1.7, 5 decks remain, bet 5.
Hitting hard 14 vs J. Count still negative. Seat2 hit 12 vs J, Seat3 stand 20.
RC -10, TC ~ -3.4 (3 decks left). Hitting hard 12 vs J.
RC -2, TC ~ -0.5 (3.5 decks left). Hard 19 vs J is stand at all neutral/negative counts.
RC -4, TC -0.7, 5.5 decks remain. Bet 5.
RC -4, TC -1.3, 3 decks remain. Bet 5.
RC -11, TC -2.4, 4.5 decks remain. Bet 5.
RC 0, TC 0, doubling 10 vs 3.
RC -6, TC ~ -2.1, double 10 vs 3.
RC -5, TC -1.2, stand 18 vs 3.
RC -1, TC ~ -0.4, betting 5.
Seat2: RC -1, TC ~ -0.25, bet 5.
RC -1, TC ~ -0.4, bet 5.
RC -3, TC -0.8; hitting hard 15 vs 7.
Seat2 stands on 20 vs 7. RC -3, TC ~ -0.8.
Seat3 hit 12 vs 7. RC -3, TC ~ -1.1.
Seat3: hard 20 vs 7, stand.
RC -2, TC ~ -0.4, 5 decks remain. Bet 5.
RC -2, TC -0.8, 2.5 decks remain. Bet 5.
Standing hard 15 vs 4. RC -2, TC -0.8.
Double 10 vs 4. Post-deal RC -2, TC ~ -0.6.
RC -5, TC -1.4, 3.5 decks remain, betting min 5.
RC -5, TC -1.4, 3.5 decks remain, bet 5.
RC -5, TC -1.4, 3.7 decks remain, bet 5.
Hitting 12 vs 9, RC -5, TC -1.4.
Hitting 16 vs 9. RC -5, TC -1.4.
Seat3 doubling 11 vs 9. RC -5, TC -1.4.
RC -1, TC -0.2, 5.7 decks remain. Bet min.
RC -1, TC -0.2, 5.4 decks remain. Bet 5.
RC 0, TC 0.0, 5.4 decks remain. Bet 5.
Stand 13 vs 5. RC -1, TC ~ -0.2.
Splitting 3s vs 5, RC -1, TC -0.2.
Seat2 doubles soft 14 vs 5. RC -1, TC ~ -0.2.
Seat2 stands on 13 vs 5.
Standing 13 vs 5. RC +2, TC +0.4.
Seat1: RC +4, 162 unseen, TC +1.28 <1.5, bet 5.
Seat2: RC +4, 162 unseen, TC +1.28, bet 5.
Seat3: RC +4, 162 unseen, TC +1.28, bet 5.
Seat1 doubles 11 vs K. Post-deal RC +6, TC ~+2.0.
Seat2: hitting hard 5 vs K.
Seat2 hitting 11 vs K.
Seat2 stands 16 vs K. RC +8, TC ~+2.7.
Seat3 stands on hard 16 vs K. RC +8, TC ~+2.7.
RC +8, 150 unseen, TC +2.8, bet 30.
Seat2: RC +8, TC +2.8, betting 50.
Seat3: RC +8, 150 unseen, TC +2.8, bet 50.
Seat1 stands on soft 20 (A9) vs 9. RC +8, TC ~+2.8.
Seat2 hits hard 9 vs 9.
Seat2 stands on hard 19 vs 9.
Seat3 hitting hard 16 vs 9; RC +8, TC ~+2.9, below stand index.
RC +7, 78 cards left before cut, TC +4.7, max bet.
Seat2: RC +7, 78 left, TC +4.7, bet 50.
Seat3: RC +7, 78 left before cut, TC +4.7, bet 50.
Seat1 hitting soft 16 vs T; RC +7, TC ~+4.7.
Seat1 stands hard 13 vs T; TC +4.7 > +2 stand index.
Seat2 hits hard 14 vs T; RC +7, TC +4.7.
Seat3 stands on hard 16 vs T; TC +4.7 is above stand index.
RC +6, 68 left before cut, TC +4.6, betting max 50.
Seat2: RC +6, 68 left, TC +4.6, betting max 50.
Seat3: RC +6, 68 left before cut, TC +4.6, betting max 50.
Seat1 stands on hard 16 vs J at TC +4.6.
Seat2 hits hard 13 vs J. Count still high.
Seat3 hitting soft 16 (A,5) vs J. No double/stand index for soft 16 vs 10; hit maximizes EV.
Seat3 hard 14 vs J; RC ~+5, TC ~+4.4, 14 vs 10 has no stand index, hitting.
RC +5, 56 left before cut, TC +4.6, betting 50.
Seat2: RC +5, 56 left before cut, TC +4.6, betting max 50.
Seat3: RC +5, 56 left before cut, TC +4.6, betting max 50.
Seat1 doubles 11 vs 8. RC +5, TC ~+4.6.
Seat2 hits hard 14 vs 8; no stand index even at high count.
Seat2 stands on hard 18 vs 8.
Seat3 hit soft 14 vs 8.
Seat3 soft 17 vs 8; count still high but hit is correct.
Seat3 hard 17 vs 8: stand. Count high but no deviation.
RC +7, 43 cards before cut, TC +3.5; bet max 50.
Seat2: RC +7, TC +3.5, betting max 50.
Seat3: RC +7, TC +3.5, betting max 50.
Seat1 stands hard 18 vs 2. RC +7, TC +3.5; no index deviation.
Seat2 stands 15 vs 2. Count positive; no deviation.
These are the messages the models sent to each other at the table.
Team -226 chips over 20 rounds
All seats share one bankroll. Seat figures show each hand's contribution.
One table is a sample. Leaderboards include sample sizes and intervals.
Round 20 of 20 · 0 remaining
Team · shared bankroll
2,774 chips
Dealer
Round settled · team 75 chips
DeepSeek V4 Pro
Bet 50
Hand 1 · 18 · bet 50 · stand
Win +50Won
Hand 1 · 15 · bet 50 · stand
Loss -50
Hand 1 · 21 soft · bet 50
Blackjack +75Won
