Rules comparison · paired counterfactual
Compare blackjack rules and house edge.
Hold the shared scenario identity steady, change named rules and inspect the paired difference with interaction effects disclosed.
A fixed paired shared-seed specimen is shown before a live comparison is connected.
This illustrative fixed preview is not a live comparison, forecast or gambling result. Its paired shared-seed specimen is shown only to explain the workspace.
- Strategy
- Basic strategy
- Shoe policy
- Six decks · cut card
- Shared seed
- paired-rules-preview-v1
- Trials
- 100,000 displayed trials
Named rule changes
| Rule | Baseline | Candidate |
|---|---|---|
| Dealer card procedure | Hole card dealt | No hole card |
| Dealer blackjack check | Check under ace or ten | None |
| Dealer-blackjack liability | Original bet only | All committed bets |
| Double eligibility | Any first two cards | Hard 9–11 only |
| Resplit aces | Allowed | Not allowed |
| Surrender | Late surrender | None |
Preview dataset
Shared comparison scale
Both rulesets use one declared scale so the paired difference remains readable.
- Shared house-edge scale
- 0.0% to 1.0% shared scale
- House edge per initial wager
- Rules comparison preview v1
Illustrative paired shared-seed specimen
Rules comparison data table
| Ruleset | House edge |
|---|---|
| Baseline | 0.62% |
| Candidate | 0.51% |
Method and pairing identity
Keep both request identities, the shared seed, method and dataset with the paired comparison.
This illustrative fixed preview is not a live comparison, forecast or gambling result. Its paired shared-seed specimen is shown only to explain the workspace.
- Strategy
- Basic strategy
- Shoe policy
- Six decks · cut card
- Shared seed
- paired-rules-preview-v1
- Trials
- 100,000 displayed trials
- Method
- Illustrative fixed paired shared-seed preview · not live or authoritative
- Confidence
- Illustrative band only
- Model
- rules-compare-preview-v1
- Dataset
- illustrative-paired-counterfactual-v1
- Baseline request
- preview-baseline-01
- Candidate request
- preview-candidate-01
- Pairing identity
- shared-seed-specimen-01