Partials/Victory Conditions (Legacy)

Victory Conditions

 * Perfect S (完全勝利, Total Victory)
 * All enemy ships sunk and no damage taken.
 * S (勝利, Victory)
 * All enemy ships sunk and no allied ships sunk.
 * A (勝利, Victory)
 * Required number of enemy ships sunk (see below) and no allied ships sunk.
 * B (戦術的勝利, Tactical Victory)
 * Sinking the enemy flagship guarantees at least a B as long as no allied ships are sunk.
 * Enemy flagship sunk, friendly ship sunk and number of friendly ships sunk < number of enemy ships sunk.
 * Damage gauge at least 2.5 times higher enemy damage gauge.
 * This rate is the minimum requirement to clear maps without boss gauge.
 * C (戦術的敗北, Tactical Defeat)
 * Didn't clear any of the conditions for A or B, but enemy took over a certain amount of damage.
 * Damage gauge higher than enemy gauge, but not reaching 2.5 times as much.
 * Friendly ship sunk, damage gauge higher than enemy, but not 2.5 times as much.
 * Friendly ship sunk, enemy flagship sunk and number of friendly ships sunk lower than number of enemy ships sunk. It is possible to clear maps with boss gauges (eg. 4-4, 5-3, event maps) with a C if the enemy flagship is sunk.
 * D (敗北, Defeat)
 * Enemy took less than a certain amount of damage.
 * Both sides taking 0 damage is also D.
 * If your fleet consist only 1 ship and it is reaching Heavy Damage without meeting any winning requirements, it will instantly judged as D as well.
 * Damage gauge lower than enemy gauge.
 * Friendly ship sunk, not all enemy ships sunk, and gauge lower than enemy gauge.
 * E (全敗, Total Defeat)
 * Over a certain number of friendly ships sunk. (see below)
 * Friendly ship sunk while not meeting any victory conditions.
 * No damage done to enemy, while taking over a certain amount (Never happens in a fleet of 1).