{
  "dataset": "blackjack-rule-configuration-effects",
  "version": "1.0.0",
  "checked_date": "2026-08-30",
  "metadata": {
    "scope": "Human-readable marginal rule comparisons, not a complete blackjack edge calculator.",
    "warning": "Do not add marginal effects blindly; full rulesets and strategy assumptions interact.",
    "methodology_url": "/research/blackjack-analysis-methodology/"
  },
  "rows": [
    {
      "configuration": "3:2 payout baseline",
      "change": "Blackjack pays 3:2",
      "comparison": "baseline for payout comparison",
      "approx_effect_pp": "0.00",
      "meaning": "Reference point; not a complete-game house edge.",
      "source": "https://wizardofodds.com/games/blackjack/rule-variations/"
    },
    {
      "configuration": "6:5 payout",
      "change": "Blackjack pays 6:5 instead of 3:2",
      "comparison": "vs 3:2",
      "approx_effect_pp": "+1.39",
      "meaning": "Approximate increase in house advantage from this rule alone.",
      "source": "https://wizardofodds.com/games/blackjack/rule-variations/"
    },
    {
      "configuration": "H17",
      "change": "Dealer hits soft 17",
      "comparison": "vs S17",
      "approx_effect_pp": "+0.22",
      "meaning": "Approximate marginal rule cost; rules interact.",
      "source": "https://wizardofodds.com/games/blackjack/rule-variations/"
    },
    {
      "configuration": "DAS allowed",
      "change": "Double after split allowed",
      "comparison": "vs no DAS",
      "approx_effect_pp": "-0.14",
      "meaning": "Approximate player-beneficial marginal rule effect.",
      "source": "https://wizardofodds.com/games/blackjack/rule-variations/"
    },
    {
      "configuration": "Late surrender",
      "change": "Late surrender available",
      "comparison": "vs no surrender",
      "approx_effect_pp": "-0.08",
      "meaning": "Approximate player-beneficial marginal rule effect.",
      "source": "https://wizardofodds.com/games/blackjack/rule-variations/"
    }
  ]
}