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Data from TsunDB, maps used are 54-2 and 54-3
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Only the following attacks are used:
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1. Only one normal attacker
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2. One normal attacker + any number of B-25
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3. Any number of normal attackers + one B-25
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Normal attacker is defined to be one of the following
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九六式陸攻 (168), 一式陸攻 (169), 一式陸攻 二二型甲 (180), 一式陸攻 三四型 (186), 銀河 (187), SM.79 (431), SM.79 bis (432), SM.79 bis(熟練) (433)
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We found that
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1. The current accuracy formula slightly underestimates the hit rate. This may be due to unknown proficiency gain/loss during the battle which cannot be precisely tracked.
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2. There is a generic accuracy bonus in combined fleet combat
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3. B-25 likely has +2 accuracy bonus vs DD/CL(T), +3 accuracy bonus vs CA(V) and +4 accuracy bonus vs (F)BB(V)/CV(L).
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There is a possibility that the accuracy bonuses on DD and CL are different based on the firepower modifiers.
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Our current accuracy term formula
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AccTerm = (95 + 7*([accuracy] + [accuracy bonus])) * [morale mod] * [CF mod] + [proficiency bonus]
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where
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[accuracy bonus] is a special bonus for some attackers. It may depend on the ship type of the defender.
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[CF mod] = 1.1 if the attack is against a combined fleet.
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Please note that the findings are based on event data and there is no non-event data to check yet.
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The bonuses found may be specific to the on-going event.
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Earlier test on B-25
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https://twitter.com/Camellia_bb/status/1532006059174690816
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