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

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'''The Accuracy formula against PT-IMPs:'''<ref>https://twitter.com/Xe_UCH/status/1554299068486397953?s=20&t=OHU47ATyROzVxkmLVVTL-w</ref><ref>https://docs.google.com/spreadsheets/d/1-T9OfSDOoLKQXtBDeP80izgWl3f5G_eqMQYLW-WbSnw/edit#gid=680928319</ref><ref>https://twitter.com/Divinity_123/status/1492264067809038343</ref><ref>https://docs.google.com/spreadsheets/d/1BpctZEkEF94iOR1I704d3Rn9kKg1gAj9tK4cXdq1CNs/edit#gid=0</ref>
 
'''The Accuracy formula against PT-IMPs:'''<ref>https://twitter.com/Xe_UCH/status/1554299068486397953?s=20&t=OHU47ATyROzVxkmLVVTL-w</ref><ref>https://docs.google.com/spreadsheets/d/1-T9OfSDOoLKQXtBDeP80izgWl3f5G_eqMQYLW-WbSnw/edit#gid=680928319</ref><ref>https://twitter.com/Divinity_123/status/1492264067809038343</ref><ref>https://docs.google.com/spreadsheets/d/1BpctZEkEF94iOR1I704d3Rn9kKg1gAj9tK4cXdq1CNs/edit#gid=0</ref>
  
−
* <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{Fatigue} \times \text{Mod}_\text{PT} \times \text{Mod}_\text{Add} \big\rfloor \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{Fatigue} \times \text{Mod}_\text{PT} \times \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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* <math>\text{Mod}_\text{Formation}</math> is the Acc mod of each formation (see [[Combat#Formation_Selection|here]]),
 
* <math>\text{Mod}_\text{Formation}</math> is the Acc mod of each formation (see [[Combat#Formation_Selection|here]]),
−
<!--* <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>-->
 
−
 
 
* <math>\text{Mod}_\text{Fatigue}</math> are the morale effects (see [[Morale and Fatigue#Morale Effects|here]])
 
* <math>\text{Mod}_\text{Fatigue}</math> are the morale effects (see [[Morale and Fatigue#Morale Effects|here]])
 
* <math>\text{Mod}_\text{PT}</math> is '''0.42''' (0.35 x 1.2),
 
* <math>\text{Mod}_\text{PT}</math> is '''0.42''' (0.35 x 1.2),
 
* <math>\text{Mod}_\text{Add}</math> is '''24''' (15 x 1.2),
 
* <math>\text{Mod}_\text{Add}</math> is '''24''' (15 x 1.2),
 +
 
* <math>\text{Mod}_\text{Night}</math> is '''0.7''' during night battle, '''1''' during day battle.
 
* <math>\text{Mod}_\text{Night}</math> is '''0.7''' during night battle, '''1''' during day battle.
 
* <math>\text{EVA}_\text{PT}</math> is described in the tab above,
 
* <math>\text{EVA}_\text{PT}</math> is described in the tab above,
 +
* <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>
  
 
* <math>\text{Mod}_\text{Ship}</math> is the bonus given by ship types, described below,
 
* <math>\text{Mod}_\text{Ship}</math> is the bonus given by ship types, described below,
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** 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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<!--'''{{Ship/Link|Amagiri/Kai Ni|Amagiri/Kai Ni D|text=Amagiri Kai Ni/D}}''' has the ability to prioritize focusing on attacking PT-Imp with increased accuracy if any are present.
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'''{{Ship/Link|Amagiri/Kai Ni|Amagiri/Kai Ni D|text=Amagiri Kai Ni/D}}''' also has the ability to prioritize focusing on attacking PT-Imp with increased accuracy if any are present.
−
*Ships placed in the composition slots above and below her will gain a small accuracy boost and will prioritize attacking PT-Imp if any are present.-->
+
*Ships placed in the composition slots above and below her will gain a small accuracy boost and will prioritize attacking PT-Imp if any are present.
  
 
{|class="wikitable" style="text-align:center; margin:auto"
 
{|class="wikitable" style="text-align:center; margin:auto"

Revision as of 06:38, 6 August 2022


Anti-PT-ImpPT Imp Pack Setups
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.
Estimated PT-Imps' evasion terms
Type Evasion Eva
Line AheadLineAhead.png Line AbreastLineAbreast.png EchelonEchelon.png
PT Imp PackPT Imp Pack 81 ? 87
PT Imp Pack IIPT Imp Pack II 81 86 88
PT Imp Pack IIIPT Imp Pack III 83 88 90
PT Imp Pack IVPT Imp Pack IV 84 ? ?

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{Fatigue} \times \text{Mod}_\text{PT} \times \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] is 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 0.42x modifier.
  • [math]\displaystyle{ \text{Mod}_\text{Amagiri} }[/math] is:
  • [math]\displaystyle{ \text{Mod}_\text{Formation} }[/math] is the Acc mod of each formation (see here),
  • [math]\displaystyle{ \text{Mod}_\text{Fatigue} }[/math] are the morale effects (see here)
  • [math]\displaystyle{ \text{Mod}_\text{PT} }[/math] is 0.42 (0.35 x 1.2),
  • [math]\displaystyle{ \text{Mod}_\text{Add} }[/math] is 24 (15 x 1.2),
  • [math]\displaystyle{ \text{Mod}_\text{Night} }[/math] is 0.7 during night battle, 1 during day battle.
  • [math]\displaystyle{ \text{EVA}_\text{PT} }[/math] is described in the tab above,
  • [math]\displaystyle{ \text{Mod}_\text{Vanguard} }[/math] is 1.2 when using the Vanguard FormationVanguard.png.[5]
  • [math]\displaystyle{ \text{Mod}_\text{Ship} }[/math] is the bonus given by ship types, described below,
  • [math]\displaystyle{ \text{Mod}_\text{Equipment} }[/math] is the bonus 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 also has the ability to prioritize focusing on attacking PT-Imp with increased accuracy if any are present.

  • Ships placed in the composition slots above and below her will gain a small 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 Machine 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.
Last Updated: 30/06/2022
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