             itemSaku += itemInfo.api_saku * 0.99
         when 24
           itemSaku += itemInfo.api_saku * 0.91
+    shipSaku += Math.sqrt(shipPureSaku) * 1.69
   teitokuSaku = 0.61 * Math.floor((window._teitokuLv + 4) / 5) * 5
   totalSaku = shipSaku + itemSaku - teitokuSaku
   avgLv = totalLv / totalShip

      # 索敵スコア = 艦上爆撃機 × (1.04) + 艦上攻撃機 × (1.37) + 艦上偵察機 × (1.66) + 水上偵察機 × (2.00)
      #            + 水上爆撃機 × (1.78) + 小型電探 × (1.00) + 大型電探 × (0.99) + 探照灯 × (0.91)
      #            + √(各艦毎の素索敵) × (1.69) + (司令部レベルを5の倍数に切り上げ) × (-0.61)
      switch itemInfo.api_type[3]
        when 7
          itemSaku += itemInfo.api_saku * 1.04

    shipInfo = $ships[ship.api_ship_id]
    totalLv += ship.api_lv
    totalShip += 1
    shipPureSaku = ship.api_sakuteki[0]
    for itemId, slotId in ship.api_slot
      continue if itemId == -1
      item = _slotitems[itemId]
