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Difference between revisions of "PT boat"

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'''[[PT boat]]s''' or "Patrol Torpedo boats", are a type of ship, counted as "Destroyers" (DD) in the game, with additional unique [[Accuracy]] and [[Evasion]] mechanics.
 
'''[[PT boat]]s''' or "Patrol Torpedo boats", are a type of ship, counted as "Destroyers" (DD) in the game, with additional unique [[Accuracy]] and [[Evasion]] mechanics.
 +
*So far, they are exclusive to [[Abyssal]]s, also being "[[Imp]]s".
  
 
=Ship List=
 
=Ship List=

Revision as of 16:55, 3 September 2023

PT boats or "Patrol Torpedo boats", are a type of ship, counted as "Destroyers" (DD) in the game, with additional unique Accuracy and Evasion mechanics.

Ship List

So far, PT boats are Abyssal exclusive ships:

Card Name Type HP Firepower Torpedo AA ASW Armor Evasion Armament Notes OASW Opening Torpedo Night Bombing AACI
PT Imp Pack PT Imp Pack
PT小鬼群
DD 9 9 88 12 ?? 19 ?? High-speed Abyssal Torpedo - Torpedo- Unequipped - - ${equipment_type}
Special Unit No No No No
PT Imp Pack II PT Imp Pack II
PT小鬼群
DD 9 9 98 18 ?? 29 ?? High-speed Abyssal Torpedo - TorpedoHigh-speed Abyssal Torpedo - Torpedo
Special Unit No No No No
PT Imp Pack II PT Imp Pack II
PT小鬼群
DD 9 9 98 18 ?? 29 ?? High-speed Abyssal Torpedo - TorpedoHigh-speed Abyssal Torpedo - Torpedo
Special Unit No No No No
PT Imp Pack III PT Imp Pack III
PT小鬼群
DD 15 15 98 18 ?? 29 ?? High-speed Abyssal Torpedo - TorpedoHigh-speed Abyssal Torpedo - Torpedo
Special Unit No No No No
PT Imp Pack IV PT Imp Pack IV
PT小鬼群
DD 18 18 118 24 ?? 39 ?? High-speed Abyssal Torpedo - TorpedoHigh-speed Abyssal Torpedo - Torpedo
Special Unit No No No No
Schnellboot Imp Pack Schnellboot Imp Pack
Schnellboot小鬼群
DD 19 19 102 23 ?? 37 ?? High-speed Abyssal Torpedo - TorpedoHigh-speed Abyssal Torpedo - TorpedoAbyssal 3.7cm FlaK - Anti-Aircraft Gun
Special Unit No No No No
Schnellboot Imp Pack II Schnellboot Imp Pack II
Schnellboot小鬼群
DD 29 29 102 33 ?? 37 ?? High-speed Abyssal Torpedo - TorpedoHigh-speed Abyssal Torpedo - TorpedoAbyssal 3.7cm FlaK - Anti-Aircraft Gun
Special Unit No No No No
Schnellboot Imp Pack Elite Schnellboot Imp Pack Elite
Schnellboot小鬼群- Elite
DD 39 39 122 43 ?? 47 ?? High-speed Abyssal Torpedo - TorpedoHigh-speed Abyssal Torpedo - TorpedoAbyssal 3.7cm FlaK - Anti-Aircraft Gun
Special Unit No No No No
Card Name Type HP Firepower Torpedo AA ASW Armor Evasion Armament Notes OASW Opening Torpedo Night Bombing AACI

Mechanics

Anti-PT boat
Unlike most standard Abyssals, "PT boats" (PT Imp PackPT Imp Pack & Schnellboot Imp PackSchnellboot Imp Pack) are "very small and fast".
  • All ship types suffer a severe Accuracy accuracy and Firepower firepower penalty against PT boats.
  • Attacking them with larger guns is not very effective, smaller guns being recommended instead.
  • Support Expeditions are not affect by any of the following[1].
Attack formula against PT boats
The Attack formula against PT boats:[2][3]
Jet Assault & Airstrike
  • [math]\displaystyle{ \text{Damage}_\text{PT}= \text{Atk}_\text{post-cap} \times \text{Rand} [0.5 ; 0.8] }[/math]


LBAS[4]
  • [math]\displaystyle{ \text{Damage}_\text{PT}= \text{Atk}_\text{post-cap} \times \text{Rand} [0.4 ; 0.7] }[/math]


Shelling
  • [math]\displaystyle{ \text{Damage}_\text{PT}= ( 0.3 \times \text{Atk}_\text{post-cap} + \sqrt{\text{Atk}_\text{post-cap}} + 10 ) \times \prod^{All Equipment}{\text{Mod}_\text{EquipmentAtk}} }[/math]


Opening & Closing Torpedo Salvos
  • [math]\displaystyle{ \text{Damage}_\text{PT}= 0.3 \times \text{Atk}_\text{post-cap} + \sqrt{\text{Atk}_\text{post-cap}} + 10 }[/math]


Night Battle
  • Night Battle data are unclear yet.


With
  • [math]\displaystyle{ \text{Atk}_\text{post-cap} }[/math] the post cap attack power defined here,
  • [math]\displaystyle{ \text{Mod}_\text{EquipmentAtk} }[/math] the bonuses given by equipment, described below.
Accuracy formula against PT boats
The Accuracy formula against PT boats:[5][6][7][8]
[math]\displaystyle{ \text{Hit Rate}_\text{vs.PT} \text{%} = \Big\lfloor ( 0.3 \times \text{Accuracy}_\text{Atk} + \sqrt{\text{Accuracy}_\text{Atk}} + 15 ) \times 1.2 \times \text{Mod}_\text{Ship} \times \Big( \prod^{All Equipment}{\text{Mod}_\text{EquipmentAcc}} \Big) \times \text{Mod}_\text{Night} \Big\rfloor - \text{EVA}_\text{PT} + 1 }[/math]
With
  • [math]\displaystyle{ \text{Acc}_\text{Atk} }[/math] the standard accuracy described here
    • PT boats are "DDs" in the game, so the [math]\displaystyle{ \text{Mod}_\text{formation} }[/math] for vanguard is 1.1 during shelling, and 1.2 during the torpedo phase.
    • 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 boats 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? ?
Schnellboot Imp PackSchnellboot Imp Pack ? ? ? ? ?
Schnellboot Imp Pack IISchnellboot Imp Pack II ? ? ? ? ?
Schnellboot Imp Pack EliteSchnellboot Imp Pack Elite ? ? ? ? ?


The main Accuracy modifiers are
  • [math]\displaystyle{ \text{Mod}_\text{Amagiri} }[/math] being include in [math]\displaystyle{ \text{Acc}_\text{Atk} }[/math]:
  • [math]\displaystyle{ \text{Mod}_\text{Ship} }[/math] the bonus given by ship types, described below,
  • [math]\displaystyle{ \text{Mod}_\text{EquipmentAcc} }[/math] the bonuses given by equipment, described below,
  • [math]\displaystyle{ \text{Mod}_\text{Night} }[/math] being 0.7 during night battle, 1 during day battle.


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

  • DD placed in the composition slots above and below her will gain a noticeable accuracy boost and will prioritize attacking PT boats if any are present.
  • The PT boat targeting rate is 100% for all affected ships [9].

During Events, some special bonuses may be added, with "historical" ships and equipment gaining some accuracy bonuses[10].

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{EquipmentAcc} }[/math] [math]\displaystyle{ \text{Mod}_\text{EquipmentAtk} }[/math]
1st equipped 2nd equipped 1st equipped 2nd equipped
Small Caliber Main GunSmall Caliber Main High-Angle GunSmall Small Caliber Main Guns[11] 1.3 1.15 1.5 2.11.5×1.4
Secondary GunSecondary High-Angle GunSec Secondary Guns[12] 1.55 1 1.3
Anti-Aircraft Gun Anti-Aircraft Guns 1.45 1.35 1.2 1.441.2×1.2
Lookout Skilled LookoutsSkilled Lookouts
Torpedo Squadron Skilled Lookouts
1.75 1 1.1
Landing CraftArmed Soukoutei (Armored Boat Class)Soukoutei (Armored Boat Class) 1.45 1.3 1.2 1.1
Armed DaihatsuArmed Daihatsu 1.45 1.3 1.2 1.1
Amphibious Vehicle Ka-Tsu TanksSpecial Type 4 Amphibious Tank
Special Type 4 Amphibious Tank Kai
[13][14]
1 1.3 1 1.1
Seaplane BomberBomberSeaplane Fighter Seaplane Bombers & Seaplane Fighters 1.5 1 1.2
Dive BomberJetFighterBomber1.pngJetFighterBomber2.png Dive Bombers & JetsKikka Kai
Jet Keiun Kai
1.375 1.2 1.4 1.821.4×1.3
All other equipment 1 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.
  • The Amphibious Vehicle Ka-Tsu TanksSpecial Type 4 Amphibious Tank
    Special Type 4 Amphibious Tank Kai
    bonus does not stack with the Landing Craft Armed BoatsSoukoutei (Armored Boat Class)
    Armed Daihatsu
    ones.
  • Using other setups improving accuracy is also advisable:
References:
[edit]

See Also