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Difference between revisions of "Combat/Battle Opening"

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!Equipment Required<ref>[[Visible Bonus]]es or [[Improvement]]s '''do not''' count as equipment ASW (e.g. a +6 ASW equipment with +1 ASW bonus does not count as a +7 equipment but just as a +6 one).</ref><ref>When applicable, if all relevant ASW aircraft are in zero plane slots, and no bomber {{RedPlane}}/{{BluePlane}} with 1+ {{ASW}} are present in non-zero plane slot, the ship cannot OASW.</ref><ref>Regardless of their ASW stat, {{GreenPlane}}{{Night Fighter Aircraft}} [[Fighter]]s or {{YellowPlane}} [[Carrier Recon]]s cannot trigger any OASW.</ref>
 
!Equipment Required<ref>[[Visible Bonus]]es or [[Improvement]]s '''do not''' count as equipment ASW (e.g. a +6 ASW equipment with +1 ASW bonus does not count as a +7 equipment but just as a +6 one).</ref><ref>When applicable, if all relevant ASW aircraft are in zero plane slots, and no bomber {{RedPlane}}/{{BluePlane}} with 1+ {{ASW}} are present in non-zero plane slot, the ship cannot OASW.</ref><ref>Regardless of their ASW stat, {{GreenPlane}}{{Night Fighter Aircraft}} [[Fighter]]s or {{YellowPlane}} [[Carrier Recon]]s cannot trigger any OASW.</ref>
 
|-
 
|-
−
! Any [[DD|Destroyer]]/[[CL|Light Cruiser]]/[[CLT|Torpedo Cruiser]]/[[AO|Fleet Oiler]]/[[CT|Training Cruiser]]
+
! Any [[ASW Shelling]] capable ships
−
<!--{{Ship/Link|Yamato/Kai Ni}}<ref>Only if Yamato has been [[Modernization#ASW Modernization|ASW moded]] at some point.</ref>-->
+
([[DD]], [[CL]]([[CLT|T]]), [[CT]], [[AO]], ...)
−
| '''100+ ASW'''
+
|rowspan=4| '''100+ ASW'''
 
| {{Sonar}} '''1 [[Sonar]] Equipped'''
 
| {{Sonar}} '''1 [[Sonar]] Equipped'''
 
|-
 
|-
−
!rowspan=1|Any [[CVE|Escort Carriers (CVE)]]<!--NOTE: Theoretically any CVL should work, however only CVE can reach these ASW values-->
+
!rowspan=1|Any [[CVL]]/[[CVE]]
−
| '''100+ ASW'''
 
 
| {{Sonar}} '''+''' {{RedPlane}} / {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>'''[[Sonar]]''' + Any with '''1+ ASW'''
 
| {{Sonar}} '''+''' {{RedPlane}} / {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>'''[[Sonar]]''' + Any with '''1+ ASW'''
 
|-
 
|-
 
!{{Ship/Banner|Shinshuu Maru/Kai|small=true}}<br>{{ItemStack|item={{Ship/Banner|Yamato/Kai Ni Juu|small=true}}|text=Kai Ni Juu}}
 
!{{Ship/Banner|Shinshuu Maru/Kai|small=true}}<br>{{ItemStack|item={{Ship/Banner|Yamato/Kai Ni Juu|small=true}}|text=Kai Ni Juu}}
−
| '''100+ ASW'''
 
 
| {{Sonar}} '''+''' {{SPB}} / {{Autogyro}}<br>'''[[Sonar]]''' + [[SPB|Seaplane Bomber]] or [[Rotorcraft]]
 
| {{Sonar}} '''+''' {{SPB}} / {{Autogyro}}<br>'''[[Sonar]]''' + [[SPB|Seaplane Bomber]] or [[Rotorcraft]]
 
|-
 
|-
 
!{{Ship/Banner|Fusou/Kai Ni|small=true}}<br>{{Ship/Banner|Yamashiro/Kai Ni|small=true}}
 
!{{Ship/Banner|Fusou/Kai Ni|small=true}}<br>{{Ship/Banner|Yamashiro/Kai Ni|small=true}}
−
| '''100+ ASW'''
 
 
| {{Sonar}} '''+''' {{SPB}} / {{Autogyro}} / {{DepthCharge}}<br>'''[[Sonar]]''' + [[SPB|Seaplane Bomber]], or [[Rotorcraft]], or [[Depth Charge]]
 
| {{Sonar}} '''+''' {{SPB}} / {{Autogyro}} / {{DepthCharge}}<br>'''[[Sonar]]''' + [[SPB|Seaplane Bomber]], or [[Rotorcraft]], or [[Depth Charge]]
−
|-
 
−
! {{Ship/Banner|Isuzu/Kai Ni|small=true}}<br>{{Ship/Banner|Tatsuta/Kai Ni|small=true}}<br>{{ItemStack|item={{Ship/Banner|Yuubari/Kai Ni D|small=true}}|text=Kai Ni D}}<br>{{Ship/Banner|Jervis/Kai|small=true}}<br>{{Ship/Banner|Janus/Kai|small=true}}<br>{{Ship/Banner|Fletcher|small=true}}<br>{{Ship/Banner|Johnston|small=true}}<br>{{Ship/Banner|Samuel B. Roberts/Kai|small=true}}
 
−
| '''Can OASW innately'''
 
−
| '''N/A'''
 
 
|-
 
|-
 
!{{Ship/Banner|Taiyou/Kai|small=true}}<br>{{Ship/Banner|Unyou/Kai|small=true}}<br>{{Ship/Banner|Shinyou/Kai|small=true}}<br>{{ItemStack|item={{Ship/Banner|Kaga/Kai Ni Go|small=true}}|text=Kai Ni Go}}
 
!{{Ship/Banner|Taiyou/Kai|small=true}}<br>{{Ship/Banner|Unyou/Kai|small=true}}<br>{{Ship/Banner|Shinyou/Kai|small=true}}<br>{{ItemStack|item={{Ship/Banner|Kaga/Kai Ni Go|small=true}}|text=Kai Ni Go}}
Line 48: Line 41:
 
| {{RedPlane}} / {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>Any with '''1+ ASW'''
 
| {{RedPlane}} / {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>Any with '''1+ ASW'''
 
|-
 
|-
−
! rowspan=2| Any [[DE|Coastal Defense Ship]]
+
! rowspan=2| Any [[DE]]
 
| '''60+ ASW'''
 
| '''60+ ASW'''
 
| {{Sonar}} '''1 [[Sonar]] Equipped'''
 
| {{Sonar}} '''1 [[Sonar]] Equipped'''
Line 55: Line 48:
 
| Total of '''4+ ASW''' from equipment
 
| Total of '''4+ ASW''' from equipment
 
|-
 
|-
−
! Any [[CVL|Light Aircraft Carrier]]
+
!rowspan=2| Any [[CVL]]/[[CVE]]
 
| '''50+ ASW'''
 
| '''50+ ASW'''
 
| {{Sonar}} '''+''' {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>'''[[Sonar]]''' + Any with '''[[ASW Aircraft|7+ ASW]]'''
 
| {{Sonar}} '''+''' {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>'''[[Sonar]]''' + Any with '''[[ASW Aircraft|7+ ASW]]'''
 
|-
 
|-
−
!rowspan=1|Any [[CVE|Escort Carriers (CVE)]]<!--NOTE: Theoretically any CVL should work, however only CVE can reach these ASW values-->
 
 
| '''65+ ASW'''
 
| '''65+ ASW'''
 
| {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>Any with '''[[ASW Aircraft|7+ ASW]]'''
 
| {{BluePlane}} / {{ASWPlane}} / {{Autogyro}}<br>Any with '''[[ASW Aircraft|7+ ASW]]'''
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| '''N/A'''
 
| '''N/A'''
 
| {{Autogyro}}{{Autogyro}}'''2 {{EquipmentLink|Ka Type Observation Autogyro|O Type Observation Autogyro Kai|O Type Observation Autogyro Kai Ni|text=Autogyros|link_category=Autogyros}}'''<br>-or-<br>{{Autogyro}}'''1 {{EquipmentLink|S-51J|S-51J Kai|text=Helicopter|link_category=Helicopters}}'''
 
| {{Autogyro}}{{Autogyro}}'''2 {{EquipmentLink|Ka Type Observation Autogyro|O Type Observation Autogyro Kai|O Type Observation Autogyro Kai Ni|text=Autogyros|link_category=Autogyros}}'''<br>-or-<br>{{Autogyro}}'''1 {{EquipmentLink|S-51J|S-51J Kai|text=Helicopter|link_category=Helicopters}}'''
 +
|-
 +
! {{Ship/Banner|Isuzu/Kai Ni|small=true}}<br>{{Ship/Banner|Tatsuta/Kai Ni|small=true}}<br>{{ItemStack|item={{Ship/Banner|Yuubari/Kai Ni D|small=true}}|text=Kai Ni D}}<br>{{Ship/Banner|Jervis/Kai|small=true}}<br>{{Ship/Banner|Janus/Kai|small=true}}<br>{{Ship/Banner|Fletcher|small=true}}<br>{{Ship/Banner|Johnston|small=true}}<br>{{Ship/Banner|Samuel B. Roberts/Kai|small=true}}
 +
|colspan=2| '''Can OASW innately'''
 
|}
 
|}
 
<references/>
 
<references/>

Revision as of 14:18, 31 December 2022

Combat Portal
AircraftAerial Combat ☀ Day Battle Night Battle PowerNight Battle
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Jet Assault  · AACI 		Battle Opening  · Artillery Spotting  · Anti-Submarine Warfare Cut-In
Support Expedition  · Special Attacks  · Anti-Installation  · Friendly Fleet  · Drop
Map Mechanics and Nodes  · Evacuation  · Damage Calculations  · Accuracy, Evasion and Criticals  · Shooting Order and Targeting


Battle Opening Breakdown

Battle Opening is one of the daytime combat intermediary phases, taking place immediately before the First shelling starts. In this phase, allied and enemy fleets launch attacks with the intent to disable or remove enemy targets before the combat proper starts. This grants either fleet substantial advantages by possibly disabling key ships on the opposing side.

Battle Opening has the following structure:

  • Opening ASW Shelling (OASW)
  • Opening Torpedo Salvo

In case neither fleets meet the requirements, the sub-phase will be skipped.

Opening ASW Shelling (OASW)

Commonly referred to as OASW (opening ASW). All eligible ships will perform a regular ASW Shelling attack, following range order in the same fashion as the First Shelling Phase. As these opening attacks happen before the Opening Torpedo Salvo, they may disable or even sink enemy submarines before they have a chance to attack.

OASW has the following trigger conditions:

  • Only ships listed below can trigger an OASW,
    • The ship is not required to be able to perform any ASW Shelling.
  • They must meet their specific ASW stat threshold and requirements, listed below,
OASW Ship ASW Stat Required[1] Equipment Required[2][3][4]
Any ASW Shelling capable ships

(DD, CL(T), CT, AO, ...)

100+ ASW SONAR 1 Sonar Equipped
Any CVL/CVE SONAR + Dive Bomber / Torpedo Bomber / Liaison Aircraft / Rotorcraft
Sonar + Any with 1+ ASW
Ship Banner Shinshuu Maru Kai.png
Ship Banner Yamato Kai Ni Juu.pngKai Ni Juu 		SONAR + Seaplane BomberBomber / Rotorcraft
Sonar + Seaplane Bomber or Rotorcraft
Ship Banner Fusou Kai Ni.png
Ship Banner Yamashiro Kai Ni.png 		SONAR + Seaplane BomberBomber / Rotorcraft / Depth Charges
Sonar + Seaplane Bomber, or Rotorcraft, or Depth Charge
Ship Banner Taiyou Kai.png
Ship Banner Unyou Kai.png
Ship Banner Shinyou Kai.png
Ship Banner Kaga Kai Ni Go.pngKai Ni Go 		N/A Dive Bomber / Torpedo Bomber / Liaison Aircraft / Rotorcraft
Any with 1+ ASW
Any DE 60+ ASW SONAR 1 Sonar Equipped
75+ ASW Total of 4+ ASW from equipment
Any CVL/CVE 50+ ASW SONAR + Torpedo Bomber / Liaison Aircraft / Rotorcraft
Sonar + Any with 7+ ASW
65+ ASW Torpedo Bomber / Liaison Aircraft / Rotorcraft
Any with 7+ ASW
Ship Banner Hyuuga Kai Ni.png N/A RotorcraftRotorcraft2 AutogyrosKa Type Observation Autogyro
O Type Observation Autogyro Kai
O Type Observation Autogyro Kai Ni
-or-
Rotorcraft1 HelicopterS-51J
S-51J Kai
Ship Banner Isuzu Kai Ni.png
Ship Banner Tatsuta Kai Ni.png
Ship Banner Yuubari Kai Ni D.pngKai Ni D
Ship Banner Jervis Kai.png
Ship Banner Janus Kai.png
Ship Banner Fletcher.png
Ship Banner Johnston.png
Ship Banner Samuel B. Roberts Kai.png 		Can OASW innately
  1. ↑ The Required ASW Stat does include Visible Bonuses, but does not include Improvements.
  2. ↑ Visible Bonuses or Improvements do not count as equipment ASW (e.g. a +6 ASW equipment with +1 ASW bonus does not count as a +7 equipment but just as a +6 one).
  3. ↑ When applicable, if all relevant ASW aircraft are in zero plane slots, and no bomber Dive Bomber/Torpedo Bomber with 1+ Anti-Submarine Warfare are present in non-zero plane slot, the ship cannot OASW.
  4. ↑ Regardless of their ASW stat, FighterNight Fighter Fighters or Reconnaissance Aircraft Carrier Recons cannot trigger any OASW.

See the list of Anti-submarine Weaponry and ASW Aircraft to better see what can help achieve OASW on a given ship.

Abyssals

Abyssal ships do not follow these rules. The following may perform OASW unconditionally:

Other abyssals cannot perform OASW.

Opening Torpedo Salvo

Commonly referred to as oTorp (opening torpedo). Eligible ships will fire an Opening Torpedo attack. This attack behaves similarly to the Closing Torpedo attack, with the difference that it will be launched regardless of the ship's damage state.

Opening Torpedo salvo has the following trigger conditions:

This phase follows the same rules as Closing Torpedo Salvo, with some exceptions:

  • Ships at Moderate or Heavy damage can still fire torpedoes.
  • If only submarines are left in the opposing fleet, torpedoes will randomly target them, never dealing damage, and always being displayed as "miss".

After the Opening Torpedo Salvo, the Day Battle Shelling starts (if there are any remaining ships on either side left).

See Also

v · e
Game Mechanics
Ship Mechanics • Equipment Mechanics
General Combat
Combat Calcultaions
Remodels/Upgrades
Others
Other
Defunct Mechanics
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