{
  "meta": {
    "name": "Season 9 — DeepSeek Pro A extension",
    "date": "2026-10-19",
    "publishedAt": "2026-10-19T00:06:57.872053+00:00",
    "status": "complete",
    "notice": "One completed DeepSeek-V4-Pro-0813 max A run (N=1) joins the 16 frozen S9 + Flash runs. All 4,800 prior results are preserved; only 640 new games were played. Pro has no A/B replication or gap estimate in this publication. B runs only if A places in the top 6 model table. The historical S9 board, title playoff and Flash extension remain unchanged. Opus and Fable also include only run A (N=1), because their second legs were skipped due to temporary technical issues. The remaining seven models have two independent runs (N=2).",
    "deferredRuns": [
      "s9_fable51_b",
      "s9_opus55_b"
    ],
    "goal": "One completed DeepSeek-V4-Pro-0813 A bot joins the frozen league (N=1), using the official native Harness at max reasoning.",
    "format": {
      "runsPerModel": 2,
      "models": 10,
      "entrants": 17,
      "gamesBudget": 300,
      "newModelRuns": 1,
      "wallClockHours": null,
      "effort": "DeepSeek Pro and Flash max; original S9 incumbents xhigh",
      "maps": "12 training maps and 8 sealed held-out maps, all eight factions; identical seed and faction from both seats.",
      "channels": {
        "claude": "Claude Code CLI",
        "codex": "Codex CLI 0.159.0",
        "deepseek": "DeepSeek official Harness 0.2.1-rc.2"
      }
    },
    "league": {
      "tag": "s9_deepseek_pro0813_max_a_league17",
      "games": 5440,
      "newGames": 640,
      "reusedGames": 4800,
      "pairings": 136,
      "newPairings": 16,
      "gamesPerPairing": 40,
      "seedsPerPairing": 20,
      "dayCap": 120,
      "failed": 4,
      "hangs": 4,
      "scoredGames": 5436,
      "hangRate": 0.0007,
      "maxHangRate": 0.01,
      "eliminations": 564,
      "dayCappedShare": 0.9032,
      "mde": 0.07,
      "metric": "Balanced median log((peak army + 1)/(opponent peak army + 1)); paired seeds and both seats. Eliminations are diagnostic only."
    },
    "enginePin": "19bde724ff62cf8fe56a6d8f398bf171374e3a51",
    "champion": null,
    "title": {
      "status": "historical_s9_unchanged",
      "note": "This extension does not award a title. The historical S9 board and title playoff remain unchanged."
    },
    "effortNote": "DeepSeek Pro and the two frozen Flash runs use max; the original 14 S9 runs retain xhigh. Scores describe model, native channel and effort together.",
    "aggregation": "Model score is the arithmetic mean of available run medians; A/B gap is their absolute difference. Single-run models remain N=1.",
    "h2h": {
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          "run": "gpt6astra_a",
          "id": "gpt-6-astra",
          "runRank": 1,
          "label": "Astra A",
          "overall": 0.5307,
          "pairingsWon": 14
        },
        {
          "run": "opus55_a",
          "id": "claude-opus-5-5",
          "runRank": 2,
          "label": "Opus 5.5 A",
          "overall": 0.5113,
          "pairingsWon": 14
        },
        {
          "run": "gpt6astra_b",
          "id": "gpt-6-astra",
          "runRank": 3,
          "label": "Astra B",
          "overall": 0.4906,
          "pairingsWon": 15
        },
        {
          "run": "gpt61sol_a",
          "id": "gpt-6.1-sol",
          "runRank": 4,
          "label": "6.1 Sol A",
          "overall": 0.4728,
          "pairingsWon": 13
        },
        {
          "run": "gpt61sol_b",
          "id": "gpt-6.1-sol",
          "runRank": 5,
          "label": "6.1 Sol B",
          "overall": 0.3986,
          "pairingsWon": 14
        },
        {
          "run": "sonnet55_a",
          "id": "claude-sonnet-5-5",
          "runRank": 6,
          "label": "Sonnet 5.5 A",
          "overall": 0.2893,
          "pairingsWon": 11
        },
        {
          "run": "fable51_a",
          "id": "claude-fable-5-1",
          "runRank": 7,
          "label": "Fable 5.1 A",
          "overall": 0.2205,
          "pairingsWon": 10
        },
        {
          "run": "sonnet55_b",
          "id": "claude-sonnet-5-5",
          "runRank": 8,
          "label": "Sonnet 5.5 B",
          "overall": 0.1875,
          "pairingsWon": 9
        },
        {
          "run": "gpt56sol_b",
          "id": "gpt-5.6-sol",
          "runRank": 9,
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          "overall": 0.0395,
          "pairingsWon": 7
        },
        {
          "run": "gpt56sol_a",
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          "runRank": 10,
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          "overall": 0.0034,
          "pairingsWon": 8
        },
        {
          "run": "deepseek_pro0813_max_a",
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          "runRank": 11,
          "label": "DeepSeek Pro 0813 A",
          "overall": -0.2198,
          "pairingsWon": 6
        },
        {
          "run": "deepseek1017_max_a",
          "id": "deepseek-flash",
          "runRank": 12,
          "label": "DeepSeek 1017 A",
          "overall": -0.3071,
          "pairingsWon": 4
        },
        {
          "run": "deepseek1017_max_b",
          "id": "deepseek-flash",
          "runRank": 13,
          "label": "DeepSeek 1017 B",
          "overall": -0.4437,
          "pairingsWon": 5
        },
        {
          "run": "gpt6luna_a",
          "id": "gpt-6-luna",
          "runRank": 14,
          "label": "6 Luna A",
          "overall": -0.8412,
          "pairingsWon": 3
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        {
          "run": "gpt6luna_b",
          "id": "gpt-6-luna",
          "runRank": 15,
          "label": "6 Luna B",
          "overall": -0.9907,
          "pairingsWon": 2
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          "run": "haiku45_b",
          "id": "claude-haiku-4-5",
          "runRank": 16,
          "label": "Haiku 4.5 B",
          "overall": -2.1062,
          "pairingsWon": 1
        },
        {
          "run": "haiku45_a",
          "id": "claude-haiku-4-5",
          "runRank": 17,
          "label": "Haiku 4.5 A",
          "overall": -3.4569,
          "pairingsWon": 0
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