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    "paired_primary_comparison": {
      "baseline_model_id": "rolling_series_elo",
      "primary_score": "log_loss",
      "score": "log_loss",
      "series": 1630,
      "candidate_score": 0.5849059308587136,
      "baseline_score": 0.6190452367842632,
      "candidate_minus_baseline": -0.03413930592554961,
      "confidence_level": 0.95,
      "confidence_interval": [
        -0.04701428607124107,
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      "noninferiority_margin": 0.005,
      "decision": "superior",
      "bootstrap": {
        "method": "paired circular moving-block bootstrap by ordered completed series",
        "replicates": 5000,
        "block_size_series": 8,
        "seed": 20260726
      }
    },
    "secondary_comparison": {
      "score": "log_loss",
      "series": 1630,
      "candidate_score": 0.5849059308587136,
      "baseline_score": 0.6931471805599453,
      "candidate_minus_baseline": -0.1082412497012318,
      "confidence_level": 0.95,
      "confidence_interval": [
        -0.12806789788595993,
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      "noninferiority_margin": 0.005,
      "decision": "superior",
      "bootstrap": {
        "method": "paired circular moving-block bootstrap by ordered completed series",
        "replicates": 5000,
        "block_size_series": 8,
        "seed": 20260726
      }
    },
    "claim_boundary": "a passing gate supports this frozen tournament and snapshot only; it is not a state-of-the-art claim"
  }
}