{
  "schema": 1,
  "event": "advance",
  "update": 1152,
  "from_stage": 21,
  "to_stage": 22,
  "curriculum_schedule": "v10",
  "win_rate": 0.775,
  "conversion_rate": 0.925,
  "death_rate": 0.15,
  "window_size": 40,
  "win_gate": 0.75,
  "from": {
    "maps": [
      "Pangaea",
      "Europe",
      "Asia",
      "World",
      "NorthAmerica",
      "SouthAmerica",
      "Africa",
      "Australia",
      "Caucasus",
      "BlackSea",
      "BetweenTwoSeas",
      "EastAsia",
      "MiddleEast",
      "Britannia",
      "GreatLakes",
      "Onion"
    ],
    "bots": 38,
    "nations": "4",
    "difficulty": "Easy",
    "decision_ticks": 15,
    "win_at": 0.75
  },
  "to": {
    "maps": [
      "Pangaea",
      "Europe",
      "Asia",
      "World",
      "NorthAmerica",
      "SouthAmerica",
      "Africa",
      "Australia",
      "Caucasus",
      "BlackSea",
      "BetweenTwoSeas",
      "EastAsia",
      "MiddleEast",
      "Britannia",
      "GreatLakes",
      "Onion"
    ],
    "bots": 42,
    "nations": "5",
    "difficulty": "Easy",
    "decision_ticks": 15,
    "win_at": 0.75
  },
  "summary": "Advanced stage 21→22 at update 1152 (WR=77.5% vs gate 75.0%; DR=15.0%; CR=92.5%). Pangaea+Europe+Asia+World+NorthAmerica+SouthAmerica+Africa+Australia+Caucasus+BlackSea+BetweenTwoSeas+EastAsia+MiddleEast+Britannia+GreatLakes+Onion bots=38 nations=4 Easy → Pangaea+Europe+Asia+World+NorthAmerica+SouthAmerica+Africa+Australia+Caucasus+BlackSea+BetweenTwoSeas+EastAsia+MiddleEast+Britannia+GreatLakes+Onion bots=42 nations=5 Easy."
}