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Summer 2023 Event/E-7/Sandbox

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Sandbox Rules

This sandbox is to be used to construct an event guide for the above-mentioned event map. These guides are to all of the following requirements:

  • An overview of the map, including ship/equipment bonuses, Ship Locks, and special mechanics,
  • List of branching unlocking requirements (if there are multiple requirements, compositions for each path along with the below requirements will be needed to discuss the unlocking requirements in question),
  • A list of working compositions that work: (T=these must have possible alternatives for players who may or may not have all ships needed for a specific path),
    • The Paths said compositions will take (to explain each path the composition will/can take),
    • A summary or description of what kind of obstacles a composition will face.
  • A description of the boss node: what it consists of, and a descriptive guide on what the player should consider for a course of action to successfully win the battle,
  • Optional: Tips/guides to farm certain ships and/or resources (this can also require compositions, paths, and possible descriptions).

Editors are to construct their own version of the guide/part of the guide, and complete it in a timely fashion.

No editor is allowed to edit over other editors' work without the consent of the editor and his approval to do so.

Several versions will be constructed through this page and will be reviewed and approved by the staff/collaboration committee before being moved for the Summer 2023 Event, being reviewed and updated once more before it can be released.

Overall there should be 3 versions of the guide that have to be constructed, including: Preliminary > Polished > Finalized Guides

With each approval of each version of the guide, the said guide will be updated to the main page, and construction of the next version will begin.

All guides outside of the approved version will be removed and work will begin from the approved version to make it better for the next version until the finalized version is made.

Branching Table

E-7 Branching Rules (Start Points) ▼/▲
Nodes Rules
Start
1
  • Start point 2 locked: Single / SFF / CTF / STF / TCF
  • Start point 2 unlocked: Meet ANY of the following requirements:
    • Single / Striking Force Fleet
    • STF: Amount of (F)BB(V) ≥ 4
    • TCF
  • Start point 3 unlocked: Meet ANY of the following requirements:
    • Single / Striking Force Fleet
    • STF: Amount of (F)BB(V) ≥ 4
  • Tag requirements: (Hard only)
    • Summer 2023 Event Tag 1.png 2nd Fleet
    • Summer 2023 Event Tag 11.png American D-Day Landing Force
2
  • Meet ANY of the following requirements:
    • CTF
    • STF: Amount of (F)BB(V) ≤ 3
  • Tag requirements: (Hard only)
    • Summer 2023 Event Tag 6.png 1st Fleet
    • Summer 2023 Event Tag 9.png British Fleet Main Force
3
  • TCF
  • Summer 2023 Event Tag 10.png British D-Day Landing Force (Hard only)


E-7 Branching Rules (Part 1) ▼/▲
Nodes Rules
1
A
  • Single / Striking Force Fleet
C
  • Combined Fleet
A
A1
  • Does not meet the requirements to go to A2
A2
  • Meet ALL of the following requirements:
    • Amount of (F)BB(V) + CV(B) ≤ 1
    • Amount of CL ≥ 1
    • Amount of DD ≥ 2
      • If Slow fleet, then amount of DD + DE ≥ 4
A1
A2
  • Meet ALL of the following requirements:
    • Fleet contains either 2(F)BB(V) or 1CV(B)
    • Amount of CL ≥ 1
    • Amount of DD + DE ≥ 3
      • If fleet contains CV(B), then amount of DD + DE ≥ 4
B
  • Does not meet the requirements to go to A2
A2
A3

Active Branching

B
A3
A4
  • Single / Striking Force Fleet
A5
  • Combined Fleet
B
B1
  • Fail the LoS check
B2
  • Pass the LoS check
B2
B3

Active Branching

B4
C
A3

Active Branching

C1
C2
C3
  • Route to D or L locked
D
  • Route to L locked: Fixed Routing
  • Route to L unlocked: Does not meet the requirements to go to L
L
  • Meet ALL of the following requirements:
    • STF
    • Fast fleet
    • Fleet contains AR, AO or Akitsushima Kai
  • Note: See part 2 for further routing
D
E
  • Does not meet the requirements to go to F
F
  • TCF
  • Otherwise, meet ALL of the following requirements:
    • Amount of CL + DD ≥ 5
    • If Slow fleet, then amount of (F)BB(V) + CV(B/L) ≤ 5
F
G
  • Route to H locked
  • After route to H unlock: Slow fleet
H
  • Fast fleet


E-7 Branching Rules (Part 2) ▼/▲
Nodes Rules
J
K

Active Branching

L
K
M
  • Does not meet the requirements to go to N
N
  • Amount of (F)BB(V) ≤ 3
L
N
  • Does not meet the requirements to go to T
T
  • Route to U is locked
  • Otherwise, meet ALL of the following requirements:
    • (F)BB(V) + CV(B/L) ≤ 5
    • Does not meet the requirements to go to U
U
  • Route to V is locked, then meet ALL of the following requirements:
    • (F)BB(V) + CV(B/L) ≤ 5
    • Amount of CL ≥ 2
    • Amount of DD ≥ 3
      • If Slow fleet, then amount of DD + DE ≥ 4
  • Route to V is unlocked, then meet ALL of the following requirements:
    • Fast fleet
    • (F)BB(V) + CV(B/L) ≤ 5
    • If Slow fleet, then amount of DD + DE ≥ 4
    • Does not meet the requirements to go to V
V
  • Fast+ fleet containing a Yamato-class ship
  • Otherwise, meet ALL of the following requirements:
    • Fast fleet
    • Amount of Yamato-class ships ≤ 1
    • Amount of (F)BB(V) + CV(B) ≤ 4
    • Amount of CL ≥ 2
    • Amount of DD ≥ 3
X
  • Meet ALL of the following requirements:
    • Fast+ fleet
    • Amount of Yamato-class ships = 0
N
O
  • Routed from K node
T
  • Routed from L node
O
P
  • CTF
  • STF
R
  • TCF
Q
N
  • Does not meet the requirements to go to O
O
  • If Slow fleet, then amount of BBV + CA(V) ≤ 3
U
V

???

X

???

X
W
  • Fail the LoS check
Y
  • Fleet contains AR, AO or Akitsushima Kai
  • Pass the LoS check
Z
  • Does not meet the requirements to go to Y
  • Pass the LoS check


Jiga's Guide

Map overview

E7 is a Combined fleet three-phase map consisting of two transport and three boss phases.

  • 3 LBAS are available on this map.
  • This map uses 5 locks:
    • Summer 2023 Event Tag 1.png 2nd Fleet (from on E-1 & E-3),
    • Summer 2023 Event Tag 6.png 1st Fleet (from on E-4 & E-6),
    • Summer 2023 Event Tag 9.png British Fleet Main Force (from on E-6),
    • Summer 2023 Event Tag 10.png British D-Day Landing Force (from on E-6),
    • Summer 2023 Event Tag 11.png American D-Day Landing Force.

Phase 0.5 - Unlock the Boss Node

A4 A5 B3 B4 C3
Hard S? x2 S? x2 S? S? x2 reach
Medium A+ x1 A+ x2? A+ x1 A+ x1 reach
Easy ? ? ? ? ?
Casual ? ? ? ? ?

  • Single Fleet/Striking Force Fleet: 0-1(F)BB(V), 0-1CV(B/L), 1CL, 3-5DD Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
  • Route: 1 A A2 A3 A4
  • LBAS range: 3
    • Bringing ASW power is required

  • STF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 2-3(F)BB(V), 1CV(B/L), 0-1CL, 0-2DD
    • Escort: 1CL, 3-5DD
  • Route: 1 C A3 A5
  • LBAS range: 6

  • Single Fleet/Striking Force Fleet: 0-1(F)BB(V), 0-1CV(B/L), 1CL, 3-5DD Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
  • Route: 1 A A2 B B2 B3
  • LBAS range: 6
  • Route: 1 A A2 B B2 red
  • LBAS range: 7
    • Bringing ASW power is required

  • STF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 2(F)BB(V), 1CVL, 1DD
    • Escort: 1CL, 4DD
  • STF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 2AV, 1CVL, 2CL, 1DD
    • Escort: 1CL, 5DD
  • TCF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 2AV, 4DD
    • Escort: 2CL, 5DD
  • Route: 1 C C1 C2 C3

Phase 1 - TP

Phase 1 is a "Transport Operation":

  • STF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 2(F)BB(V), 1-2CVL, 0-1CL, 1-3DD
    • Escort: 0-1CA(V), 1CL, 4-5DD
  • Route: 1 C C1 C2 D F G H

  • STF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 3(F)BB(V), 1CV, 1DD 1AV
    • Escort: 1CA(V), 1CL, 4-5DD
  • Route: 1 C C1 C2 D F G H

  • STF/TCF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 1BBV, 1CAV/CL, 4DD
    • Escort: 0-1CAV, 1-2CL, 4DD
  • Route: 1 C C1 C2 D F G H
    • This fleet is weaker but faster to clear the TP.

  • LBAS range: 5
  • The boss is an hard skin Installation (Pillboxes) and requires specialized gears to be defeated.

Phase 2 - Boss

The same boss node as of #Phase 1 - TP is faced here, sharing most characteristics.

  • This means that the precious phase's fleet can be reused.

  • STF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 2FBB, 2CVL, 1CA, 1CL
    • Escort: 1CA(V), 1CL(T), 4DD
  • Route: 1 C C1 C2 D F H

  • STF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 4(F)BB(V), 2CVL, 1DD, 1AV
    • Escort: 0-1CA(V), 1CL, 4-5DD
  • Route: 1 C C1 C2 D F H

  • STF/TCF: Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 1CVL, 1AV, 4DD
    • Escort: 1CA(V), 1CL, 4DD
  • Route: 1 C C1 C2 D F H

  • LBAS range: 5
  • The boss is an hard skin Installation (Pillboxes) and requires specialized gears to be defeated.

Phase 3 - Boss

  • CTF: Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 2(F)BB(V), 2CV(B), 0-1CVL/CAV, 1-2CL
    • Escort: 1CA(V)/CLT, 1CL, 4DD
  • Route: 2 I J K M O Q

  • CTF: Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 2(F)BB(V), 2CV(B), 1CAV/CL, 1AV
    • Escort: 1CA(V)/CLT, 1CL, 4DD
  • Route: 2 I J K M O Q

  • LBAS range: 5
  • The boss is an hard skin Installation (Pillboxes) and requires specialized gears to be defeated.

Phase 4 - TP

Phase 4 is a "Transport Operation":

The same boss node as of #Phase 3 - Boss is faced here, sharing most characteristics, however, the precious phase's fleet cannot be reused.

  • TCF:
    • Main: 1-2BBV, 0-1AV/LHA, 0-1DL, 4DD
    • Escort: 0-1CA(V), 1-2CL, 3-4DD Summer 2023 Event Tag 10.png
  • Route: 3 Q O R S P

  • TCF: Summer 2023 Event Tag 10.png
    • Main:
    • Escort:
  • Route: 3 Q O R S P

  • LBAS range: 5
  • The boss is an hard skin Installation (Pillboxes) and requires specialized gears to be defeated.
  • ASW Node Support/ASW LBAS on Node Q
  • Node R has PT boats and they will require specific set-ups to be defeated:
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]
  • PT boats are also present on the boss node

Phase 4.5 - Unlock the Boss Node

Once the ?? Boss unlocked, the following steps have to be performed to unlock the shortcuts:

W U X
Hard Reach x2 A+ x2 S
Medium Reach x1 A+ x2 S
Easy ? ? ?
Casual ? ? ?

  • STF: 3(F)BB(V), 1CV, 1CAV/CL, 1AV/LHA + 1CAV, 1CL, 4DD Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
  • Route: 2 I J L U X W
  • Can be done at once with nodes U & X

Phase 5 - Boss Chipping

See #Phase 6 - Boss LD for the improved comps to use in Last Dance.

  • STF: SLOW Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 3(F)BB(V), 1CV(B), 1CAV/AV, 1CL
    • Escort: 1CA(V)/AO, 1CL, 4DD
  • Route: 2 I J L U X Y Z
    • Any AO must be Kai

  • STF: Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 3(F)BB(V), 1CV(B), 1CAV/AV/LHA, 1CL
    • Escort: 1CA(V), 1CL, 4DD
  • Route: 2 I J L U X Z

Phase 5.5 - Unlock the Shortcuts + Debuff

Once LD has been reached, the following steps have to be performed to debuff the boss and additionally unlock the shortcuts to better reach it:

A5 B4 G H N P L U X? LBAS
Hard S? x2 S? x2 Reach A+ x2 AS A+ x2 AS A+ x2 S AS x3
Medium ? ? ? ? ? ? ? ? ? ?
Easy ? ? ? ? ? ? ? ? ? ?
Casual ? ? ? ? ? ? ? ? ? ?

AS
Hard 468
Medium 273
Easy 204
Casual 153

AS
Hard 468
Medium 273
Easy 204
Casual 153

AS
Hard 336
Medium 219
Easy 150
Casual 99

Once Debuff is complete the CG will change to the following:

European Little Sister Princess
Fortified Pillbox Princess

Phase 6 - Boss LD

#Phase 5 - Boss Chipping's fleets are still viable here.

  • STF: FAST Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 3(F)BB(V), 1CV(B), 1CAV, 1CL
    • Escort: 1CA(V), 1CL, 0-1CLT, 3-4DD
  • Route: 2 I J L V X Z

  • CTF: FAST Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 2(F)BB(V), 2CV(B), 1CAV, 1CL
    • Escort: 1CA(V), 1CL, 1CLT, 3DD
  • Route: 2 I J L V X Z

  • STF: FAST Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 2(F)BB(V), 2CVL, 2CL
    • Escort: 2(F)BB, 1CL, 3DD
  • Route: 2 I J L V X Z

  • STF: FAST Summer 2023 Event Tag 6.pngSummer 2023 Event Tag 9.png
    • Main: 3(F)BB(V), 1CV(B), 1AR/AV, 1CL
    • Escort: 1CA(V), 1CL, 4DD
  • Route: 2 I J L V X Y Z

  • STF: FAST+ Summer 2023 Event Tag 1.pngSummer 2023 Event Tag 11.png
    • Main: 4FBB, 1AV, 1CL
    • Escort: 1CAV, 1CL, 4DD
  • Route: 1 C C1 C2 L X Y Z
    • This fleet is not recommended.

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]

YY's Guide

Historical Bonuses

DISCLAIMER: This information is based on user-submitted data and is subject to revisions as more data is gathered. Any version of the ship receives the bonus regardless of remodel.

Ship Bonuses

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Equipment Bonuses

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Debuff

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