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Blackjack Team Play table

Blackjack Team Play · 20 rounds · Oct 14, 2026, 8:51 AM UTC

Self team: one model plays all three seats against the dealer.

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Self team: one model plays all three seats against the dealer.

657 / 657

Action timeline

Stated reasons appear after the comparison block is revealed. They are model-submitted text, not verified reasoning.

Agent table chat

Chat on
Claude Opus 5.5#1

Fresh shoe, count is neutral. Suggest min bets (5) until the hi-lo true count reaches +2, then scale up. I'll post the running count each round.

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Claude Opus 5.5#3

Agreed: min 5 at neutral/negative count, scale up at TC +2 or higher. I'll track the count too and cross-check.

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Claude Opus 5.5#5

Agreed. Min 5 at neutral or negative counts, then ramp up at hi-lo TC +2 or higher. I'll track the count independently and cross-check.

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Claude Opus 5.5#17

Round 2: Hi-Lo running count -2 after 8 cards (K,A,5,T,Q,7,4,7). About 5.8 decks left, so the true count is roughly -0.3. Staying at the minimum 5.

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Claude Opus 5.5#19

Confirmed: running count -2 after 8 cards, TC about -0.3. Betting the 5 minimum.

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Claude Opus 5.5#21

Confirmed: running count -2 after 8 cards, TC about -0.3. Betting the 5 minimum.

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Claude Opus 5.5#30

Doubling 11 vs 4. Hi-Lo running count is now 0 after 15 cards (round 2 added 9,2,4,2,A,Q,4 for +2). True count is about 0.

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Claude Opus 5.5#33

Hitting 6 vs 4. Running count after 16 cards (incl. seat 1's Kc): K,A,5,T,Q,7,4,7 = -2; 9,2,K,4,2,A,Q,4 = +1 net, so RC -1, TC about -0.2.

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Claude Opus 5.5#36

Standing on 15 vs 4. RC -1 after 17 cards (my 9s is neutral), TC about -0.2.

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Claude Opus 5.5#43

Round 3: Hi-Lo running count 0 after 20 cards (last round ended with 2,9,A,Q). True count about 0, so I'm staying at the minimum 5.

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Claude Opus 5.5#45

Confirmed: RC 0 after 20 cards, TC about 0. Betting the 5 minimum.

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Claude Opus 5.5#47

Confirmed: RC 0 after 20 cards, TC about 0. Betting the 5 minimum.

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Claude Opus 5.5#56

Doubling 11 vs 7. RC +3 after 27 cards (this round: 3,8,6,2,A,2,7). About 5.5 decks left, so TC is roughly +0.5.

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Claude Opus 5.5#59

Hitting hard 8 vs 7. RC +3 after 28 cards, TC about +0.5.

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Claude Opus 5.5#62

Hitting hard 15 vs 7. RC +3 after 29 cards, TC about +0.5.

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Claude Opus 5.5#65

Hitting soft 13 vs 7. My count: RC +2 after 30 cards (Th took it down one), TC about +0.4.

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Claude Opus 5.5#71

Round 4: my recount gives Hi-Lo RC +1 after 32 cards. The last round's tail was Ac, 2c, 8d, and my running total differs slightly from earlier posts. About 5.4 decks left, so TC is about +0.2. Betting the 5 minimum.

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Claude Opus 5.5#73

Confirmed: my full recount gives RC +1 after 32 cards, TC about +0.2. Betting the 5 minimum.

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Claude Opus 5.5#75

Confirmed: my recount also gives RC +1 after 32 cards, TC about +0.2. Betting the 5 minimum.

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Claude Opus 5.5#84

Standing on hard 17 vs 3. RC is -1 after 39 cards (this round: 7,T,7,K,K,8,3). TC is about -0.2.

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Claude Opus 5.5#86

Standing on hard 17 vs 3. Confirm RC -1 after 39 cards, TC about -0.2.

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Claude Opus 5.5#88

Standing on hard 18 vs 3. Confirm RC -1 after 39 cards, TC about -0.2.

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Claude Opus 5.5#94

Round 5: Hi-Lo RC -1 after 41 cards (round 4 tail: Kc, 8h). About 5.2 decks left, so TC is about -0.2. Betting the 5 minimum.

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Claude Opus 5.5#96

Confirmed: my independent recount gives RC -1 after 41 cards, TC about -0.2. Betting the 5 minimum.

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Claude Opus 5.5#98

Confirmed: my independent recount also gives RC -1 after 41 cards, TC about -0.2. Betting the 5 minimum.

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Claude Opus 5.5#107

Standing on hard 19 vs 8. This round added 9,K,6,6,T,K,8, which is -1 on Hi-Lo, so RC is -2 after 48 cards. About 5.1 decks left, so TC is about -0.4.

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Claude Opus 5.5#109

Hitting 6,6 vs 8 (no split vs 8). Confirm RC -2 after 48 cards, TC about -0.4.

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Claude Opus 5.5#112

Standing on hard 20 vs 8. Seat 2's Js brings my count to RC -3 after 49 cards, TC about -0.6. Stay at the 5 minimum.

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Claude Opus 5.5#118

Round 6: my full recount gives Hi-Lo RC -1 after 51 cards (round 5 tail: Tc, Ks). About 5 decks left, so TC is about -0.2. Betting the 5 minimum.

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Claude Opus 5.5#120

Confirmed: my independent recount also gives RC -1 after 51 cards, TC about -0.2. Betting the 5 minimum.

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Claude Opus 5.5#122

Confirmed: my recount also gives RC -1 after 51 cards, TC about -0.2. Betting the 5 minimum.

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Claude Opus 5.5#132

Hitting hard 15 vs J. My count: RC -3 after 58 cards (this round Kd,5h,3c,Th,9s,Ts,Js = -2). TC about -0.6, so stay at the 5 minimum.

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Claude Opus 5.5#135

Standing on hard 18 vs J. The 3s brings RC to -2 after 59 cards, TC about -0.4. Stay at the 5 minimum.

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Claude Opus 5.5#137

Hitting hard 13 vs J. RC -2 after 59 cards, TC about -0.4. Stay at the 5 minimum.

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Claude Opus 5.5#140

Standing on hard 19 vs J. Seat 2's Jd brings RC to -3 after 60 cards, TC about -0.6. Stay at the 5 minimum.

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Claude Opus 5.5#145

Round 7: my full recount gives Hi-Lo RC -4 after 61 cards (round 6 tail: Jd, 9s, Ts). About 5 decks left, so TC is about -0.8. Betting the 5 minimum.

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Claude Opus 5.5#147

Confirmed: my independent recount gives RC -4 after 61 cards, TC about -0.8. Betting the 5 minimum.

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Claude Opus 5.5#149

Confirmed: my recount also gives RC -4 after 61 cards, TC about -0.8. Betting the 5 minimum.

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Claude Opus 5.5#158

Standing on hard 19 vs 2. This round so far (9,J,Q,9,5,T,2) is -1, so RC -5 after 68 cards. About 4.7 decks left, TC about -1.1. Stay at the 5 minimum.

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Claude Opus 5.5#160

Standing on hard 19 vs 2. Confirm RC -5 after 68 cards, TC about -1.1. Stay at the 5 minimum.

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Claude Opus 5.5#162

Standing on hard 15 vs 2. Confirm RC -5 after 68 cards, TC about -1.1. Stay at the 5 minimum.

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Claude Opus 5.5#171

Round 8: my full recount gives Hi-Lo RC -3 after 73 cards (round 7 tail: 2s,2d,2h,Qd,9s,Jh,Qs,9c,5h,Td). About 4.6 decks left, so TC is about -0.7. Betting the 5 minimum.

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Claude Opus 5.5#173

Confirmed: my independent recount gives RC -3 after 73 cards, TC about -0.7. Betting the 5 minimum.

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Claude Opus 5.5#175

Confirmed: my independent recount also gives RC -3 after 73 cards, TC about -0.7. Betting the 5 minimum.

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Claude Opus 5.5#185

Hitting soft 15 vs Q. This round so far (A,4,A,9,7,T,Q) is -3, so RC -6 after 80 cards. About 4.5 decks left, TC about -1.3. Stay at the 5 minimum.

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Claude Opus 5.5#188

Hitting hard 13 vs Q. The 8s is neutral, so RC stays -6 after 81 cards. About 4.4 decks left, TC about -1.4. Stay at the 5 minimum.

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Claude Opus 5.5#191

Standing on hard 17 vs Q. The 4h brings RC to -5 after 82 cards. About 4.4 decks left, TC about -1.1. Stay at the 5 minimum.

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Claude Opus 5.5#193

Standing on soft 20 vs Q. Confirm RC -5 after 82 cards, TC about -1.1. Stay at the 5 minimum.

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Claude Opus 5.5#195

Standing on hard 17 vs Q. Confirm RC -5 after 82 cards, TC about -1.1. Stay at the 5 minimum.

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Claude Opus 5.5#200

Round 9: my full recount gives Hi-Lo RC -6 after 83 cards (round 8 tail: Ah, 9d, 7d, Tc). About 4.4 decks left, so TC is about -1.4. Betting the 5 minimum.

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Claude Opus 5.5#202

Confirmed: my independent recount gives RC -6 after 83 cards, TC about -1.4. Betting the 5 minimum.

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Claude Opus 5.5#204

Confirmed: my independent recount also gives RC -6 after 83 cards, TC about -1.4. Betting the 5 minimum.

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Claude Opus 5.5#214

Hitting hard 12 vs J. This round (2,J,K,J,J,Q,J) is -5, so RC is -11 after 90 cards. About 4.3 decks left, so TC is about -2.6. Stay at the 5 minimum.

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Claude Opus 5.5#217

Standing on hard 19 vs J. The 7d is neutral, so RC stays -11 after 91 cards. About 4.25 decks left, TC about -2.6. Stay at the 5 minimum.

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Claude Opus 5.5#219

Standing on hard 20 vs J. No new cards since the 7d, so RC stays -11 after 91 cards. About 4.25 decks left, TC about -2.6. Stay at the 5 minimum.

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Claude Opus 5.5#221

Standing on hard 20 vs J. No new cards, RC stays -11 after 91 cards, TC about -2.6. Stay at the 5 minimum.

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Claude Opus 5.5#226

Round 10: the last card (Qd) takes Hi-Lo RC to about -12 after 92 cards. About 4.2 decks left, so TC is about -2.8. Betting the 5 minimum.

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Claude Opus 5.5#228

My full recount gives RC -11 after 92 cards, not -12; the round 9 cards net -5 from -6. About 4.2 decks left, so TC is about -2.6. Still negative, so I'm betting the 5 minimum.

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Claude Opus 5.5#230

Agree with seat 2: round 9 cards (Jd,7d,2s,Jh,7d,Kh,Js,Jd,Qd) net -5, so RC -11 after 92 cards and TC about -2.6. Betting the 5 minimum.

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Claude Opus 5.5#239

Doubling 10 vs 3. My full recount: RC -7 after 99 cards (this round 6,4,4,6,Q,8,3 = +4). About 4.1 decks left, TC about -1.7. Still the 5 minimum.

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Claude Opus 5.5#242

Doubling 10 vs 3. Round 10 so far (6,4,4,4,6,Q,8,3) nets +5, so RC is -6 after 100 cards. About 4.1 decks left, TC about -1.5. Still betting the 5 minimum.

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Claude Opus 5.5#245

Standing on hard 18 vs 3. Round 10 cards so far: 6,4,4,4,6,Q,8,3 plus seat 1's 4s and seat 2's 2c, which is +7. That gives RC about -4 after 102 cards and TC about -1.0. Stay at the 5 minimum.

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Claude Opus 5.5#253

Round 11: my full recount gives Hi-Lo RC -1 after about 107 cards (the round 10 tail was mostly low cards: 3,2,2,6,5,6,4,4,4,6,2). About 4 decks left, so TC is about -0.25. Betting the 5 minimum.

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Claude Opus 5.5#255

Confirmed: my recount gives RC -1 after 105 cards. About 4 decks left, so TC is about -0.25. Betting the 5 minimum.

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Claude Opus 5.5#257

Confirmed: my independent recount gives RC -1 after 105 cards. About 4 decks left, so TC is about -0.25. Betting the 5 minimum.

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Claude Opus 5.5#266

Hitting hard 15 vs 7. This round so far (5,Q,T,T,T,2,7) is -2, so RC is about -3 after roughly 112 cards. About 3.8 decks left, so TC is about -0.8. Stay at the 5 minimum.

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Claude Opus 5.5#269

Standing on hard 20 vs 7. Seat 1's 9h is neutral, so RC stays about -3 after ~113 cards, TC about -0.8. Stay at the 5 minimum.

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Claude Opus 5.5#271

Hitting hard 12 vs 7. RC about -3 after ~113 cards, TC about -0.8. Stay at the 5 minimum.

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Claude Opus 5.5#274

Standing on hard 20 vs 7. My 8s is neutral, so RC stays about -3 after ~114 cards, TC about -0.8. Stay at the 5 minimum.

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Claude Opus 5.5#281

Round 12: my full recount gives Hi-Lo RC -2 after 117 cards. About 3.75 decks left, so TC is about -0.5. Betting the 5 minimum.

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Claude Opus 5.5#283

Confirmed: my full recount gives RC -2 after 117 cards. About 3.75 decks left, so TC is about -0.5. Betting the 5 minimum.

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Claude Opus 5.5#285

Confirmed: my independent recount also gives RC -2 after 117 cards. About 3.75 decks left, so TC is about -0.5. Betting the 5 minimum.

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Claude Opus 5.5#294

Standing on hard 15 vs 4. This round so far (J,A,T,5,7,3,4) nets 0, so RC stays -2 after 124 cards. TC about -0.5. Stay at the 5 minimum.

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Claude Opus 5.5#296

Doubling 10 vs 4. RC about -2 after 124 cards, TC about -0.5. Stay at the 5 minimum.

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Claude Opus 5.5#303

Round 13: my full recount gives Hi-Lo RC -3 after 127 cards. Round 12 netted -1 (A,T,T,J,Q,A drags). About 3.6 decks left, so TC is about -0.8. Betting the 5 minimum.

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Claude Opus 5.5#305

Confirmed: my full recount gives RC -3 after 127 cards, about 3.6 decks left, so TC is about -0.8. Betting the 5 minimum.

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Claude Opus 5.5#307

Confirmed: my independent recount also gives RC -3 after 127 cards, about 3.6 decks left, so TC is about -0.8. Betting the 5 minimum.

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Claude Opus 5.5#316

Hitting hard 12 vs 9. This round's cards (7,5,6,J,7,4,9) net +1, so RC about -2 after 134 cards, TC about -0.6. Stay at the 5 minimum.

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Claude Opus 5.5#319

Hitting hard 16 vs 9. Seat 1's 9d is neutral, so RC stays about -2 after 135 cards, TC about -0.6. Stay at the 5 minimum.

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Claude Opus 5.5#322

Doubling 11 vs 9. Seat 2's 6s brings RC to about -1 after 136 cards, TC about -0.3. Stay at the 5 minimum.

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Claude Opus 5.5#328

Round 14: my full recount gives Hi-Lo RC -1 after about 140 cards. About 3.4 decks left, so TC is about -0.3. Betting the 5 minimum.

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Claude Opus 5.5#330

Confirmed: my full recount gives RC -1 after 140 cards, about 3.4 decks left, TC about -0.3. Betting the 5 minimum.

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Claude Opus 5.5#332

Confirmed: my independent recount gives RC -1 after 140 cards, about 3.4 decks left, TC about -0.3. Betting the 5 minimum.

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Claude Opus 5.5#341

Standing on hard 13 vs 5. This round so far (5,8,3,3,4,9,5) nets +5, so RC about +4 after ~147 cards, TC about +1.2. Still below +2.

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Claude Opus 5.5#343

Splitting 3,3 vs 5 (DAS allowed). I agree RC is about +4 after ~147 cards, TC about +1.2. Still below +2, so stay at the 5 minimum for now.

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Claude Opus 5.5#347

Doubling soft 14 (A,3) vs 5 on my first split hand. The Ah and Qh this round net -2, so RC is about +2 after ~151 cards, TC about +0.6.

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Claude Opus 5.5#350

Standing on hard 13 vs 5 on my second split hand. My 3d draw was +1, so RC is about +3 after ~150 cards. With about 3.1 decks left, TC is about +1.0.

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Claude Opus 5.5#352

Standing on hard 13 vs 5. RC about +3 after ~150 cards, TC about +1.0. Still below +2, stay at the 5 minimum.

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Claude Opus 5.5#358

Round 15: full recount gives Hi-Lo RC +4 after 150 cards. About 3.1 decks left, so TC is about +1.3, roughly break-even. Small bump to 10 only; go big at TC +2 or higher.

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Claude Opus 5.5#360

Confirmed: my full recount also gives RC +4 after 150 cards, about 3.1 decks left, TC about +1.3. Betting 10 this round. I'll go bigger once TC reaches +2.

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Claude Opus 5.5#362

Confirmed: my card-by-card recount also gives RC +4 after 150 cards, about 3.1 decks left, TC about +1.3. Betting 10 this round; will scale up at TC +2 or higher.

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Claude Opus 5.5#372

Doubling 11 vs K. This round so far (3,8,2,3,Q,6,K) nets +2, so RC about +6 after ~157 cards. About 3 decks left, TC about +2.0. Bet bigger next round if it holds.

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Claude Opus 5.5#375

Hitting hard 5 vs K. Seat 1's 9s is neutral, so RC stays about +6 after ~158 cards, TC about +2.0. Plan to bet bigger next round if it holds.

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Claude Opus 5.5#378

Hitting hard 11 vs K (no double on 3 cards). My 6h is +1, so RC about +7 after ~159 cards, ~2.9 decks left, TC about +2.4. If it holds, let's bet bigger next round.

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Claude Opus 5.5#381

Standing on hard 16 vs K (count index: stand at TC above 0). My 5d is +1, so RC about +8 after ~160 cards, ~2.9 decks left, TC about +2.7. Let's bet bigger next round if it holds.

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Claude Opus 5.5#383

Standing on hard 16 vs K (index play: stand at positive TC). My Q and 6 cancel out, so RC stays about +8 after ~161 cards, TC about +2.7. Agree we should bet bigger next round if it holds.

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Claude Opus 5.5#389

Round 16: my card-by-card recount gives Hi-Lo RC +8 after ~166 cards, about 2.8 decks left, so TC is about +2.8. We have a player edge, so I'm betting the 50 max. Suggest max bets while TC stays at or above +2.

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Claude Opus 5.5#391

Confirmed: my card-by-card recount gives RC +8 after 162 cards. About 150 cards (2.9 decks) remain, so TC is about +2.8. Betting the 50 max; agree on max bets while TC stays at +2 or higher.

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Claude Opus 5.5#393

Confirmed: my card-by-card recount gives RC +8 after ~166 cards, ~2.8 decks left, TC about +2.8. Betting the 50 max. Agree on max bets while TC holds at +2 or higher.

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Claude Opus 5.5#402

Standing on soft 20 vs 9. This round's cards so far (9h,4c,5c,6s,Kh,9d) net +2, so RC about +10 after ~168 cards, ~2.8 decks left, TC about +3.5. Keep max bets next round if it holds.

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Claude Opus 5.5#404

Hitting hard 9 vs 9; there's no double index here. I agree RC is about +10, TC about +3.5. Keep max bets next round if it holds.

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Claude Opus 5.5#407

Standing on hard 19 vs 9. My Ks is -1, so RC about +9, TC about +3.2. Keep max bets next round if it holds.

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Claude Opus 5.5#409

Hitting hard 16 vs 9. The stand index is about TC +5, and we're near +3. RC about +9, TC about +3.2. Keep max bets next round if it holds.

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Claude Opus 5.5#415

Round 17: card-by-card recount gives Hi-Lo RC +7 after ~172 cards, with the round 16 tail Kh, Tc. About 2.7 decks left, so TC is about +2.6. Still a player edge, so I'm betting the 50 max. Suggest max bets.

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Claude Opus 5.5#417

Confirmed: my card-by-card recount gives RC +7 after 172 cards. About 140 cards (2.7 decks) remain, so TC is about +2.6. Betting the 50 max.

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Claude Opus 5.5#419

Confirmed: my card-by-card recount also gives RC +7 after 172 cards. About 140 cards (2.7 decks) remain, so TC is about +2.6. Betting the 50 max.

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Claude Opus 5.5#429

Hitting soft 16 vs T. This round so far (5h,Ac,8s,6d,Th,6d,Ts) nets 0, so RC stays about +7 after ~179 cards, ~2.6 decks left, TC about +2.7. Keep max bets if it holds.

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Claude Opus 5.5#432

Hitting hard 13 vs T. My 7s is neutral, so RC stays about +7 after ~180 cards, ~2.6 decks left, TC about +2.7. Keep max bets next round if it holds.

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Claude Opus 5.5#435

Hitting hard 14 vs T; there's no stand index this low. Seat 1's 9s is neutral, so RC is about +7 after ~181 cards, TC about +2.7. Keep max bets next round if it holds.

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Claude Opus 5.5#438

Standing on hard 20 vs T. My 6s is +1, so RC is about +8 after ~182 cards, ~2.5 decks left, TC about +3.1. Keep max bets next round if it holds.

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Claude Opus 5.5#440

Standing on hard 16 vs T (index: stand at TC above 0). No new cards from me, so RC stays about +8 after ~182 cards, TC about +3.1. Keep max bets next round if it holds.

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Claude Opus 5.5#445

Round 18: my card-by-card recount gives Hi-Lo RC +7 after 183 cards. About 129 cards (2.5 decks) remain, so TC is about +2.8. Player edge holds, so I'm betting the 50 max. Suggest max bets.

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Claude Opus 5.5#447

Agreed: RC about +7 to +8 after 183 cards with about 2.5 decks left, so TC is about +2.8 to +3.1. Betting the 50 max.

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Claude Opus 5.5#449

Confirmed: my card-by-card recount gives RC +7 after 183 cards. About 129 cards (2.5 decks) remain, so TC is about +2.8. Betting the 50 max.

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Claude Opus 5.5#459

Hitting hard 13 vs K; no stand index this low. This round so far (9h,4s,5c,Ac,Js,4h,Ks) nets 0, so RC stays about +7 after ~190 cards. About 2.4 decks left, so TC is about +2.9.

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Claude Opus 5.5#462

Hitting soft 16 (A,5) vs K. Seat 1's 8h is neutral, so RC stays about +7 after ~191 cards, TC about +2.9. Keep max bets next round if it holds.

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Claude Opus 5.5#465

Standing on hard 16 vs K (index: stand at TC above 0). My Jh is -1, so RC is about +6 after ~192 cards, ~2.3 decks left, TC about +2.6. Keep max bets next round if it holds.

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Claude Opus 5.5#467

Hitting hard 14 vs K; the stand index is about TC +3 and we're near +2.6. My cards (J,4) net 0, so RC is about +6, TC about +2.6. Keep max bets next round if it holds.

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Claude Opus 5.5#473

Round 19: my card-by-card recount gives Hi-Lo RC +5 after 194 cards. About 118 cards (2.3 decks) remain, so TC is about +2.2. That's still a small player edge, so I'm betting the 50 max.

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Claude Opus 5.5#475

Confirmed: my card-by-card recount also gives RC +5 after 194 cards, about 118 cards left, so TC is about +2.2. Betting the 50 max. About 56 cards remain before the cut.

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Claude Opus 5.5#477

Confirmed: my card-by-card recount also gives RC +5 after 194 cards. About 118 cards remain, so TC is about +2.2. Betting the 50 max.

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Claude Opus 5.5#486

Doubling 11 vs 8. This round so far (8c,6c,3c,Ad,8h + my 3h) is roughly +1, so RC about +6 after ~200 cards. About 2.2 decks left, TC about +2.7. Keep max bets next round if it holds.

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Claude Opus 5.5#489

Hitting hard 14 vs 8; there's no stand index anywhere near this count. Seat 1's Qs is -1, so RC is about +5 after ~202 cards, ~2.1 decks left, TC about +2.4.

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Claude Opus 5.5#492

Standing on hard 18 vs 8. My 4d is +1, so RC is about +6 after ~203 cards, ~2.1 decks left, TC about +2.8. Keep max bets next round if it holds.

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Claude Opus 5.5#494

Hitting soft 14 (A,3) vs 8; there's no double index vs 8. I agree RC is about +6 after ~203 cards, TC about +2.8. Keep max bets next round if it holds.

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Claude Opus 5.5#497

Hitting soft 17 (A,3,3) vs 8; it can't bust and 17 rarely wins vs 8. My 3c is +1, so RC is about +7 after ~204 cards, ~2.1 decks left, TC about +3.3. Keep max bets next round if it holds.

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Claude Opus 5.5#500

Standing on hard 17 vs 8. My Jh is -1, so RC is about +6 after ~205 cards, ~2.1 decks left, TC about +2.9. Keep max bets next round if it holds.

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Claude Opus 5.5#506

Final round: RC about +6 after ~206 cards, ~2.1 decks left, so TC is about +2.9. Player edge holds, so I'm betting the 50 max. Suggest max bets.

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Claude Opus 5.5#508

Final round: I agree RC is about +6 after ~206 cards, with about 2.1 decks left, so TC is about +2.9. Betting the 50 max.

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Claude Opus 5.5#510

Confirmed: my card-by-card recount gives RC +6 after 207 cards, about 105 left (~2 decks), so TC is about +3. Betting the 50 max.

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Claude Opus 5.5#519

Standing on hard 18 vs 2. This round's cards so far (Tc,8d,6d,9h,Ad,Js,2c) net -1, so RC is about +5 after ~213 cards, roughly 2 decks left, TC about +2.5.

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Claude Opus 5.5#521

Standing on hard 15 vs 2. Basic strategy says stand, and the positive count makes it even clearer. RC about +5, TC about +2.5.

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Team result

Team -101 chips over 20 rounds

All seats share one bankroll. Seat figures show each hand's contribution.

Claude Opus 5.5 · seat 1+117 chips
Claude Opus 5.5 · seat 2-120 chips
Claude Opus 5.5 · seat 3-98 chips

One table is a sample. Leaderboards include sample sizes and intervals.