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Combat tactics[1] are determined for both sides at the beginning of a battle. Tactics last for 24-hour periods after which they are subject to change at the beginning of every 24 hour period the battle still goes on.

Each side has a weighted list of available tactics to choose from based on the current battle phase, commander skill (and reconnaissance advantage), researched techs and the fulfillment of other special prerequisites (as shown below). If successfully pulled through tactics may provide damage, defense, movement speed, and combat width modifiers. If an enemy's tactic is countered, they do not receive the benefits from their tactic choice.

Battle reports in progress show the combat tactics being used by each side for the current day, with a big red 'X' on a tactic if it is being countered. In the middle there is a button that displays a list of all available tactics (with unavailable tactics padlocked).

Note: Reconnaissance advantage is determined by comparing the sum of recon values in all divisions in combat of each side. It translates to a flat bonus equal to 5 leader skill points. The side with higher total leader skill points has combat "initiative" to pick a counter. The side with initiative will pick their tactic after the other side, and if a tactic is available to counter the other side's tactic its weight will be multiplied by 1 + 0.35 * difference in skill points. Reconnaissance advantage doesn't help dodge counters, that is, if the other side's tactic can't be countered and a certain available tactic is countered by the other side, this certain tactic has the same chance of being picked.

Contents

PhasesEdit

DefaultEdit

Name Trigger Weight Countered by         Starts battle phase Requires research
  Attack 4 Counter-Attack +5%
  Assault 2 Counter-Attack +25% Close combat
  Encirclement
  • Frontage filled
  • Has reserves.
  • At least 1 of the following:
4 Tactical Withdrawal +25% +5% +50%
  Shock 4 Ambush −25%
  Breakthrough At least 1 of the following:
4 Backhand Blow +25% −15% +50%
  Blitz
  • Hardness over 50%.
  • At least 1 of the following:
4 Elastic Defense +15% −15% +50%
  Seize Bridge
  • Has combat modifier: River Crossing.
  • At least 1 of the following:
  • Skill is over 3.
  • All of the following:
2 +20% −5% −25% +10% Seize bridge
  Mass Charge
  • Frontage is filled.
  • Has reserves.
4 +10% +10% +50%  People's Army
  Banzai Charge Country is   Japan. 4 Overwhelming Fire +25% +10% +10%
  Infiltration Assault 4 +10% −5%  Infantry Offensive
  Well-Planned Attack 4 +15%  Grand Assault
  Relentless Assault 4 +20% +5% +15%  Large Front Operations
  Unexpected Thrust 4 +15% +15%  Mobile Warfare
  Suppressive Barrage 4 +10% -20%  Superior Firepower


  Defend 4 +5%
  Counter-Attack Skill advantage is over 0. 4 +25%
  Delay 4 Shock −25% −15% −25%
  Tactical Withdrawal At least 1 of the following:
4 −25% −5% −25% Tactical withdrawal
  Ambush At least 1 of the following:
4 Breakthrough −25%
  Elastic Defense At least 1 of the following:
4 −15% +10% −25%
  Backhand Blow At least 1 of the following:
  • Skill is over 4.
  • All of the following:
4 −20% +25% −30%
  Hold Bridge
  • Has combat modifier: River Crossing.
  • At least 1 of the following:
2 +20% −5% −25% +10% Hold bridge
  Guerrilla Tactics At least 1 of the following:
4 −70% −60% −50%
  Overwhelming Fire 2 −10% +10%

Close combatEdit

Name Trigger Weight Countered by         Starts battle phase Requires research
  Close Quarters Attack 4 +10% +5%
  Close Quarters Storm 2 +20% +20%
  Close Quarters Withdraw 1 −5% −5% Default
  Close Quarters Defense 4 +5% +10%
  Close Quarters Local Strongpoint 2 −20%

Tactical withdrawalEdit

Name Trigger Weight Countered by         Starts battle phase Requires research
  Tactical Withdrawal Attack 4 −25% −10% −25%
  Pursuit 4 −15% −5% −25%
  Intercept 4 −5% −10% Default
  Withdrawal 4 −30% −5% −25%
  Evade 4 −40% −10% −25%

Seize bridgeEdit

Name Trigger Weight Countered by         Starts battle phase Requires research
  Hold Bridge 4 +20% −25%
  Defend Bridge Skill is over 4. 4 +20% −10% −25%
  Assault Bridge 4 −5% −25%
  Reckless Assault Skill is under 3. 4 +25% −10% −25%
  Recapture Bridge At least one of the following:
4 Defend Bridge +10% −5% −25% Hold bridge

Hold bridgeEdit

Name Trigger Weight Countered by         Starts battle phase Requires research
  Attack 4 +10% −25%
  Rush Bridge Skill is over 4. 4 +20% −25%
  Storm Bridge 2 Defend Bridge +20% +5% −25% Seize bridge
  Hold Bridge Skill is under 3. 2 +20% −10% −25%
  Defend Bridge At least one of the following:
2 +10% +5% −25%

FootnotesEdit

  1. See in /Hearts of Iron IV/common/combat_tactics.txt.