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Difference between revisions of "Template:Anti-PT Imp Setups"

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* <math>\text{Hit Rate}_\text{vs.PT} \text{%} = \Big\lfloor \big\lfloor \lfloor \text{ACC}_\text{Standard} + \text{Mod}_\text{Amagiri} \rfloor \times \text{Mod}_\text{Formation} \times \text{Mod}_\text{Morale} \times \text{Mod}_\text{PT} + \text{Mod}_\text{Add} \big\rfloor \times \text{Mod}_\text{Vanguard} \times \text{Mod}_\text{Ship} \times \text{Mod}_\text{Equipment} \times \text{Mod}_\text{Night} \Big\rfloor - \text{EVA}_\text{PT} + 1 </math>
 
* <math>\text{Hit Rate}_\text{vs.PT} \text{%} = \Big\lfloor \big\lfloor \lfloor \text{ACC}_\text{Standard} + \text{Mod}_\text{Amagiri} \rfloor \times \text{Mod}_\text{Formation} \times \text{Mod}_\text{Morale} \times \text{Mod}_\text{PT} + \text{Mod}_\text{Add} \big\rfloor \times \text{Mod}_\text{Vanguard} \times \text{Mod}_\text{Ship} \times \text{Mod}_\text{Equipment} \times \text{Mod}_\text{Night} \Big\rfloor - \text{EVA}_\text{PT} + 1 </math>
  
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'''With:'''
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;With:
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* <math>\text{ACC}_\text{Standard}</math> is the standard accuracy described [[Accuracy,_Evasion_and_Criticals#Daytime_Shelling|here]]''
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* <math>\text{ACC}_\text{Standard}</math> the standard accuracy described [[Accuracy,_Evasion_and_Criticals#Daytime_Shelling|here]]''
 
** PT-Imps are "DDs" in the game, so the <math>\text{Mod}_\text{formation}</math> for vanguard is 0.88/1.32 for the top and bottom halves respectively.
 
** PT-Imps are "DDs" in the game, so the <math>\text{Mod}_\text{formation}</math> for vanguard is 0.88/1.32 for the top and bottom halves respectively.
 
** Historical accuracy bonuses during Events are included in the Standard Accuracy Term, i.e. it is affected by the <math>\text{Mod}_\text{PT}</math> modifier.
 
** Historical accuracy bonuses during Events are included in the Standard Accuracy Term, i.e. it is affected by the <math>\text{Mod}_\text{PT}</math> modifier.
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* <math>\text{EVA}_\text{PT}</math> is the PT estimated evasion {{Evasion}} described bellow,
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* <math>\text{EVA}_\text{PT}</math> the PT estimated evasion {{Evasion}} described bellow,
  
 
{|class="wikitable" style="text-align:center; margin:auto"
 
{|class="wikitable" style="text-align:center; margin:auto"
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'''The main Accuracy modifiers are:'''
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;The main Accuracy modifiers are:
 
* <math>\text{Mod}_\text{Amagiri}</math> being:
 
* <math>\text{Mod}_\text{Amagiri}</math> being:
 
** '''64''' for {{Ship/Link|Amagiri/Kai Ni|Amagiri/Kai Ni D|text=Amagiri Kai Ni/D}}
 
** '''64''' for {{Ship/Link|Amagiri/Kai Ni|Amagiri/Kai Ni D|text=Amagiri Kai Ni/D}}
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** '''0''' otherwise.
 
** '''0''' otherwise.
  
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* <math>\text{Mod}_\text{Formation}</math> is the Acc mod of each formation (see [[Combat#Formation_Selection|here]]),
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* <math>\text{Mod}_\text{Formation}</math> the Acc mod of each formation (see [[Combat#Formation_Selection|here]]),
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* <math>\text{Mod}_\text{Morale}</math> are the morale effects (see [[Morale and Fatigue#Morale Effects|here]])
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* <math>\text{Mod}_\text{Morale}</math> the morale effects (see [[Morale and Fatigue#Morale Effects|here]])
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* <math>\text{Mod}_\text{PT}</math> is '''0.42'''<!--0.35 x 1.2-->,
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* <math>\text{Mod}_\text{PT} = 0.42</math><!--0.35 x 1.2-->,
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* <math>\text{Mod}_\text{Add}</math> is '''24'''<!--(15+5) x 1.2-->,
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* <math>\text{Mod}_\text{Add} = 24</math><!--(15+5) x 1.2-->,
  
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* <math>\text{Mod}_\text{Night}</math> is '''0.7''' during night battle, '''1''' during day battle.
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* <math>\text{Mod}_\text{Night}</math> being '''0.7''' during night battle, '''1''' during day battle.
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* <math>\text{Mod}_\text{Vanguard}</math> is '''1.2''' when using the '''{{ToolTip|[[Combat#Formation_Selection|Vanguard Formation]]|[[File:Vanguard.png]]}}'''.<ref>The formula is inconsistent for attackers with 2 small guns in vanguard formation. For the most part, underestimations (up to 10% difference in hit rate) are observed. It is not clear what may lead to this at the moment.</ref>
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* <math>\text{Mod}_\text{Vanguard}</math> being '''1.2''' when using the '''{{ToolTip|[[Combat#Formation_Selection|Vanguard Formation]]|[[File:Vanguard.png]]}}'''.<ref>The formula is inconsistent for attackers with 2 small guns in vanguard formation. For the most part, underestimations (up to 10% difference in hit rate) are observed. It is not clear what may lead to this at the moment.</ref>
  
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* <math>\text{Mod}_\text{Ship}</math> is the bonus given by ship types, described below,
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* <math>\text{Mod}_\text{Ship}</math> the bonus given by ship types, described below,
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* <math>\text{Mod}_\text{Equipment}</math> is the bonus given by equipment, described below,
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* <math>\text{Mod}_\text{Equipment}</math> the bonuses given by equipment, described below,
 
** When several equipment are used on a ship, it is then the product of those bonuses.
 
** When several equipment are used on a ship, it is then the product of those bonuses.
 
|}
 
|}
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|}
 
|}
  
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'''Notes:'''
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;Notes:
 
* It is recommended to use anti-PT setups on DDs only, such setups compromising overall combat effectiveness.
 
* It is recommended to use anti-PT setups on DDs only, such setups compromising overall combat effectiveness.
 
* Having a '''[[Reinforcement Expansion]]''' is important because it can save a ship slot by containing a machine gun or skilled lookouts.
 
* Having a '''[[Reinforcement Expansion]]''' is important because it can save a ship slot by containing a machine gun or skilled lookouts.

Revision as of 17:39, 28 August 2022


Anti-PT-ImpPT Imp Pack
Unlike most standard Abyssals, PT-Imp PacksPT Imp Pack are very small and fast.
  • All ship types suffer a severe Accuracy accuracy and Firepower firepower penalty against PT-Imp.
  • Attacking them with larger guns is not very effective, smaller guns being recommended instead.


Accuracy formula against PT-Imps
The Accuracy formula against PT-Imps:[1][2][3][4]
  • [math]\displaystyle{ \text{Hit Rate}_\text{vs.PT} \text{%} = \Big\lfloor \big\lfloor \lfloor \text{ACC}_\text{Standard} + \text{Mod}_\text{Amagiri} \rfloor \times \text{Mod}_\text{Formation} \times \text{Mod}_\text{Morale} \times \text{Mod}_\text{PT} + \text{Mod}_\text{Add} \big\rfloor \times \text{Mod}_\text{Vanguard} \times \text{Mod}_\text{Ship} \times \text{Mod}_\text{Equipment} \times \text{Mod}_\text{Night} \Big\rfloor - \text{EVA}_\text{PT} + 1 }[/math]
With
  • [math]\displaystyle{ \text{ACC}_\text{Standard} }[/math] the standard accuracy described here
    • PT-Imps are "DDs" in the game, so the [math]\displaystyle{ \text{Mod}_\text{formation} }[/math] for vanguard is 0.88/1.32 for the top and bottom halves respectively.
    • Historical accuracy bonuses during Events are included in the Standard Accuracy Term, i.e. it is affected by the [math]\displaystyle{ \text{Mod}_\text{PT} }[/math] modifier.
  • [math]\displaystyle{ \text{EVA}_\text{PT} }[/math] the PT estimated evasion Evasion described bellow,
PT-Imp stats
Type Luck Luck Eva Evasion [math]\displaystyle{ \text{EVA}_\text{PT} }[/math]
Line AheadLineAhead.png EchelonEchelon.png Line AbreastLineAbreast.png
PT Imp PackPT Imp Pack ? ? 81? 87? ?
PT Imp Pack IIPT Imp Pack II 60 220 80 87 85
PT Imp Pack IIIPT Imp Pack III 60 250 82 89 88
PT Imp Pack IVPT Imp Pack IV ? ? ? 84? ?


The main Accuracy modifiers are
  • [math]\displaystyle{ \text{Mod}_\text{Amagiri} }[/math] being:
  • [math]\displaystyle{ \text{Mod}_\text{Formation} }[/math] the Acc mod of each formation (see here),
  • [math]\displaystyle{ \text{Mod}_\text{Morale} }[/math] the morale effects (see here)
  • [math]\displaystyle{ \text{Mod}_\text{PT} = 0.42 }[/math],
  • [math]\displaystyle{ \text{Mod}_\text{Add} = 24 }[/math],
  • [math]\displaystyle{ \text{Mod}_\text{Night} }[/math] being 0.7 during night battle, 1 during day battle.
  • [math]\displaystyle{ \text{Mod}_\text{Vanguard} }[/math] being 1.2 when using the Vanguard FormationVanguard.png.[5]
  • [math]\displaystyle{ \text{Mod}_\text{Ship} }[/math] the bonus given by ship types, described below,
  • [math]\displaystyle{ \text{Mod}_\text{Equipment} }[/math] the bonuses given by equipment, described below,
    • When several equipment are used on a ship, it is then the product of those bonuses.


Amagiri Kai Ni/DAmagiri Kai Ni
Amagiri Kai Ni D has the ability to prioritize focusing on attacking PT-Imp with significantly increased accuracy if any are present.

  • Ships placed in the composition slots above and below her will gain a noticeable accuracy boost and will prioritize attacking PT-Imp if any are present.


Ship Type [math]\displaystyle{ \text{Mod}_\text{Ship} }[/math]
DD & DE 1.0
CL, CLT, & CT 0.82
All other types 0.7
Equipment [math]\displaystyle{ \text{Mod}_\text{Equipment} }[/math]
1st equipped 2nd equipped
Small Caliber Main GunHigh-Angle Gun Small Guns & Main High-Angle Guns[6] 1.3 1.15
Secondary GunHigh-Angle Gun Secondary Guns & Secondary High-Angle Guns 1.55 1
Anti-Aircraft Gun AA Guns 1.45 1.35
Lookout Skilled LookoutsSkilled Lookouts
Torpedo Squadron Skilled Lookouts 		1.75 1
Landing CraftArmed Armed BoatsArmed Daihatsu
Soukoutei (Armored Boat Class) 		1.45 1.3
SeaplaneSeaplane Fighter Seaplane Bombers & Seaplane Fighters 1.5 1
Dive Bomber Dive Bombers [7] 1.375 1.2
All other equipment 1
Notes
  • It is recommended to use anti-PT setups on DDs only, such setups compromising overall combat effectiveness.
  • Having a Reinforcement Expansion is important because it can save a ship slot by containing a machine gun or skilled lookouts.
  • Combining equipment is recommended to see significant boosts to accuracy.
  • Using other setups improving accuracy is also advisable:
References:
  1. ↑ https://twitter.com/Xe_UCH/status/1554299068486397953?s=20&t=OHU47ATyROzVxkmLVVTL-w
  2. ↑ https://docs.google.com/spreadsheets/d/1-T9OfSDOoLKQXtBDeP80izgWl3f5G_eqMQYLW-WbSnw/edit#gid=680928319
  3. ↑ https://twitter.com/Divinity_123/status/1492264067809038343
  4. ↑ https://docs.google.com/spreadsheets/d/1BpctZEkEF94iOR1I704d3Rn9kKg1gAj9tK4cXdq1CNs/edit#gid=0
  5. ↑ The formula is inconsistent for attackers with 2 small guns in vanguard formation. For the most part, underestimations (up to 10% difference in hit rate) are observed. It is not clear what may lead to this at the moment.
  6. ↑ Medium Main High-Angle Gun5inch Twin Dual-purpose Gun Mount (Concentrated Deployment)
    GFCS Mk.37 + 5inch Twin Dual-purpose Gun Mount (Concentrated Deployment)     may work too.
  7. ↑ JetsKikka Kai
    Jet Keiun Kai     may work too based on damage formula, but untested.
[edit]


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