Combat Tactics - Hearts Of Iron 4 Wiki

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A battle screen showing the selected tactics next to the commanding generals, separated by a chess piece icon (which when clicked shows all tactics). The attacker has chosen Unexpected Thrust, the defender Elastic Defense. The defender has Initiative, shown by the golden chevrons beneath its general.
Wiki letter w.png Please help improve this article or section by expanding it with: preferred tactics from NSB.

Combat tactics provide damage, movement speed, and combat width modifiers in land battles.

Tactics get re-selected every 12[1] hours from a weighted list of all available tactics. The side having Initiative gets an increased chance to counter their enemy's tactic. If a tactic gets countered, all its effects are disabled.

To determine Initiative, the leading generals' skill levels are compared. If either side has a higher recon value in one of their divisions (including reserves), it gets a bonus of 5[2] skill levels for this comparison. The side with the higher effective skill level gets Initiative, with ties favoring the defender.

The side losing this comparison has to pick their tactic first. This allows the side with Initiative, if a counter-tactic is available, to pick it in response with increased probability. Its weight gets a bonus of 35%[3] for every point of advantage in the skill comparison. But the side with the Initiative may still choose a tactic that is countered by the enemy, because its weight does not get reduced.

Contents

  • 1 Effects
  • 2 Phases
    • 2.1 Default
    • 2.2 Close combat
    • 2.3 Tactical withdrawal
    • 2.4 Seize bridge
    • 2.5 Hold bridge
  • 3 References

Effects[edit | edit source]

Despite what the tooltips show during battle, the attacker tactic damage and defender tactic damage do not change the soft and hard attack of divisions (i.e. their number of attacks). Instead they directly change the amount of damage successful hits cause.

Tactics combat width affects the base combat width of a battle, but not flanking combat width.

Attacking units by default have a movement penalty of -67%[4]. The tactics movement modifiers can offset or further increase this penalty, stacking additively.

Phases[edit | edit source]

Tactics are picked according to the current phase, with battles always starting at default. The phase may change in response to picks being made, as listed in the following sections of tactics per phase.[5]

Default[edit | edit source]

Ambox outdated info.png This is a community maintained wiki. If you spot a mistake, please help with fixing it.
Name Trigger Weight Counters Countered by Attacker tactic damage Defender tactic damage Tactics combat width Tactics movement Starts battle phase Requires doctrine
Attack.png

Attack

4 Counter-Attack Counter-Attack +5%
Assault.png

Assault

2, in urban terrain else 0.4

4, if has trait Aggressive Assaulter Aggressive Assaulter and in urban terrain else 0.8

Counter-Attack Counter-Attack +25% Close combat
Encirclement.png

Encirclement

  • Frontage filled
  • Has reserves.
  • At least 1 of the following:
  • Skill advantage is over 0.
  • Has trait Panzer Leader Panzer Leader.
  • Has trait Trickster Trickster.
4

8, if at least 1 of the following:

  • Has trait Panzer Expert Panzer Expert.
  • Has trait Combined Arms Expert Combined Arms Expert.
Tactical Withdrawal Tactical Withdrawal +25% +5% +50%
Shock.png

Shock

4

8, if has trait Aggressive Assaulter Aggressive Assaulter

Delay Delay Ambush Ambush −25%
Breakthrough.png

Breakthrough

At least 1 of the following:
  • Hardness over 50%.
  • Skill advantage is over 1.
4 Ambush Ambush Backhand Blow Backhand Blow +25% −15% +50%
  • Blitzkrieg Blitzkrieg
  • Combined Arms Combined Arms
  • Shock and Awe Shock and Awe
  • Assault Breakthrough Assault Breakthrough
  • Breakthrough Priority Breakthrough Priority
Blitz.png

Blitz

  • Hardness over 50%.
  • Does not have the Flag of Soviet Union Soviet focus: Focus SOV the glory of the red army communism.png The Glory of the Red Army
  • At least 1 of the following:
  • Skill is over 2.
  • Has trait Panzer Leader Panzer Leader.
  • Skill advantage is over 1.
4

8, if at least 1 of the following:

  • Has trait Panzer Leader Panzer Leader.
  • Has trait Combined Arms Expert Combined Arms Expert.
Elastic Defense Elastic Defense +15% −15% +50%
  • Armored Spearhead Armored Spearhead
  • Mechanized Offensive Mechanized Offensive
  • Mechanized Offensive Mechanized Offensive
  • Mechanized Offensive Mechanized Offensive
  • Armored Operations Armored Operations
  • Deep Operations Deep Operations
Masterful Blitz.png

Masterful Blitz

  • Hardness over 50%.
  • Have the Flag of Soviet Union Soviet focus: Focus SOV the glory of the red army communism.png The Glory of the Red Army
  • At least 1 of the following:
  • Skill is over 2.
  • Has trait Panzer Leader Panzer Leader.
  • Skill advantage is over 1.
4

8, if at least 1 of the following:

  • Has trait Panzer Leader Panzer Leader.
  • Has trait Combined Arms Expert Combined Arms Expert.
Elastic Defense Elastic Defense +20% −20% +10% +50%
Seize Bridge.png

Seize Bridge

  • Has combat modifier: River Crossing.
  • At least 1 of the following:
  • Skill is over 3.
  • All of the following:
  • Has trait Offensive Doctrine Offensive Doctrine.
  • Skill is over 2.
2 +20% −5% −25% +10% Seize bridge
Mass Charge.png

Mass Charge

  • Frontage is filled.
  • Has reserves.
4 +10% +10% +50% People's Army People's Army
Banzai Charge.png

Banzai Charge

Country is Flag of Japan Japan. 4 Overwhelming Fire Overwhelming Fire +25% +10% +10%
Infiltration Assault (tactic).png

Infiltration Assault

4 +10% −5% Infantry Offensive Infantry Offensive
Well-Planned Attack.png

Well-Planned Attack

4 +15% Grand Assault Grand Assault
Relentless Assault.png

Relentless Assault

4 +20% +5% +15% Large Front Operations Large Front Operations
Unexpected Thrust.png

Unexpected Thrust

4 +15% +15% Mobile Warfare Mobile Warfare
Suppressive Barrage.png

Suppressive Barrage

4 +10% -20% Superior Firepower Superior Firepower
Defend.png

Defend

4 +5%
Counter-Attack.png

Counter-Attack

Skill advantage is over 0. 4

8, if has trait Unyielding Defender Unyielding Defender.

Attack AttackAssault Assault +25%
Delay (tactic).png

Delay

4 Shock Shock −25% −15% −25%
  • Delay Delay
  • Delay Delay
Tactical Withdrawal.png

Tactical Withdrawal

At least 1 of the following:
  • Skill advantage is over 0.
  • Has trait Trickster Trickster.
4 Encirclement Encirclement −25% −5% −25% Tactical withdrawal
  • Tactical Control Tactical Control
  • Advanced Firebases Advanced Firebases
Ambush.png

Ambush

At least 1 of the following:
  • Skill advantage is over 1.
  • Skill is over 2.
  • Has trait Trickster Trickster.
4 Shock Shock Breakthrough Breakthrough −25%
Elastic Defense (tactic).png

Elastic Defense

At least 1 of the following:
  • Has trait Defensive Doctrine Defensive Doctrine.
  • Skill is over 2.
4 Blitz BlitzMasterful Blitz Masterful Blitz −15% +10% −25%
  • Elastic Defense Elastic Defense
  • Mobile Defense Mobile Defense
  • Mechanized Offensive Mechanized Offensive
  • Armored Operations Armored Operations
  • Operational Concentration Operational Concentration
Backhand Blow (tactic).png

Backhand Blow

At least 1 of the following:
  • Skill is over 4.
  • All of the following:
  • Has trait Defensive Doctrine Defensive Doctrine.
  • Skill is over 3.
4 Breakthrough Breakthrough −20% +25% −30%
  • Backhand Blow Backhand Blow
  • Continuous Offensive Continuous Offensive
Hold Bridge.png

Hold Bridge

  • Has combat modifier: River Crossing.
  • At least 1 of the following:
  • Skill is over 2.
  • Has trait Defensive Doctrine Defensive Doctrine.
2 +20% −5% −25% +10% Hold bridge
Guerrilla Tactics.png

Guerrilla Tactics

At least 1 of the following:
  • Skill is over 2.
  • Has trait Trickster Trickster.
4 −70% −60% −50%
  • Guerrilla Warfare Guerrilla Warfare
  • Werwolf Guerrillas Werwolf Guerrillas
Overwhelming Fire.png

Overwhelming Fire

2 Banzai Charge Banzai Charge −10% +10%
  • Kampfgruppe Kampfgruppe
  • Overwhelming Firepower Overwhelming Firepower
  • Regimental Combat Teams Regimental Combat Teams
  • Assault Concentration Assault Concentration
  • Vast Offensives Vast Offensives

Close combat[edit | edit source]

Ambox outdated info.png This is a community maintained wiki. If you spot a mistake, please help with fixing it.
Name Trigger Weight Counters Countered by Attacker tactic damage Defender tactic damage Tactics combat width Tactics movement Starts battle phase Requires research
Close Quarters Attack.png Close Quarters Attack 4 +10% +5%
Close Quarters Storm.png Close Quarters Storm 2 +20% +20%
Close Quarters Withdraw.png Close Quarters Withdraw 1 −5% −5% Default
Close Quarters Defense.png Close Quarters Defense 4 +5% +10%
Close Quarters Local Strongpoint.png Close Quarters Local Strongpoint 2 −20%

Tactical withdrawal[edit | edit source]

Ambox outdated info.png This is a community maintained wiki. If you spot a mistake, please help with fixing it.
Name Trigger Weight Counters Countered by Attacker tactic damage Defender tactic damage Tactics combat width Tactics movement Starts battle phase Requires research
Tactical Withdrawal Attack.png Tactical Withdrawal Attack 4 −25% −10% −25%
Pursuit.png Pursuit 4 −15% −5% −25%
Intercept.png Intercept 4 −5% −10% Default
Withdrawal.png Withdrawal 4 −30% −5% −25%
Evade.png Evade 4 −40% −10% −25%

Seize bridge[edit | edit source]

Ambox outdated info.png This is a community maintained wiki. If you spot a mistake, please help with fixing it.
Name Trigger Weight Counters Countered by Attacker tactic damage Defender tactic damage Tactics combat width Tactics movement Starts battle phase Requires research
Hold Bridge (seize bridge).png Hold Bridge 4 +20% −25%
Defend Bridge.png Defend Bridge Skill is over 4. 4 Recapture Bridge Recapture Bridge +20% −10% −25%
Assault Bridge.png Assault Bridge 4 −5% −25%
Reckless Assault.png Reckless Assault Skill is under 3. 4 +25% −10% −25%
Recapture Bridge.png Recapture Bridge At least one of the following:
  • Skill is over 2.
  • Has trait Trickster Trickster.
4 Defend Bridge Defend Bridge +10% −5% −25% Hold bridge

Hold bridge[edit | edit source]

Ambox outdated info.png This is a community maintained wiki. If you spot a mistake, please help with fixing it.
Name Trigger Weight Counters Countered by Attacker tactic damage Defender tactic damage Tactics combat width Tactics movement Starts battle phase Requires research
Attack (hold bridge).png Attack 4 +10% −25%
Rush Bridge.png Rush Bridge Skill is over 4. 4 +20% −25%
Storm Bridge.png Storm Bridge 2 Defend Bridge Defend Bridge +20% +5% −25% Seize bridge
Hold Bridge (hold bridge).png Hold Bridge Skill is under 3. 2 +20% −10% −25%
Defend Bridge (hold bridge).png Defend Bridge At least one of the following:
  • Skill is over 2.
  • Has trait Trickster Trickster.
2 Storm Bridge Storm Bridge +10% +5% −25%

References[edit | edit source]

  1. Define NMilitary.TACTIC_SWAP_FREQUENCEY [sic]
  2. Define NMilitary.RECON_SKILL_IMPACT
  3. Define NMilitary.INITIATIVE_PICK_COUNTER_ADVANTAGE_FACTOR
  4. Define NMilitary.COMBAT_MOVEMENT_SPEED
  5. /Hearts of Iron IV/common/combat_tactics.txt.
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