PanzerBitz A Harmony of the Rulebooks
Rule:Subrule PanzerBlitz1 Panzer Leader2 Arab-Isreali Wars3 PanzerBlitz Q&A4 Other

Table of Contents
bulletOpportunity fire
Opportunity fire Nil Optional rule: Any enemy unit that expends ¼ (rounded down) or more of its movement allowance continuously in LOS of a friendly unit may be attacked by that unit using direct fire attack techniques. Opportunity fire attacks can be executed by certain units (specified in the Unit Function Table) during the enemy player's movement phase. As soon as a moving unit expends one fourth of its total movement allowance in hexes where it is spotted and where it is in the LOS/ LOF of an attacking unit, that moving unit is activated as a target for that attacking unit. The one fourth of its movement allowance must be expended while the moving unit is continuously in the attacking unit's LOS/LOF.    
  When attacked   As an enemy unit moves through the LOS of a friendly unit, it may be fired upon by that unit as it enters that hex which constitutes ¼ of its movement allowance expended in the friendly LOS (or any hex thereafter which is also in the LOS of the friendly unit). At that point, the non-moving player announces an opportunity fire attack. In order to execute opportunity fire attacks a unit must meet the following conditions:
a. Only units with opportunity fire capabilities (as indicated on the Unit Function Table) may make opportunity fire attacks.
b. As with all attacks, the attacking unit cannot be inverted and the target attacked must be within the attacking unit's range.
c. The attacking unit must have a LOS/ LOF to the target and the target unit must be spotted; in addition, LOS/ LOF and spotting must have been maintained continuously during the moving unit's expenditure of at least one fourth of its total movement, immediately prior to the attack (ie the target must be "activated" for that attacking unit.)
The attacking player may announce his attack whenever a moving unit expends movement points while it is activated as a target. The moving unit may also be attacked just as it becomes activated.
a. The moving unit gets to expend the movement points before the attack is resolved. If attacked while entering a new hex, it gets to occupy the new hex before the attack is resolved.
b. The moving unit pauses in the hex where it is positioned. The attack is resolved immediately...
c. The attacker may attack with as many of his units as he wishes, as long as each one is able to attack the moving unit. All of he units that attack at that time must be totaled into one attack strength making one attack.
d. Only the unit that is moving can be attacked.
  How attacked   The enemy unit’s movement is halted and the attack is immediately resolved. If the unit is dispersed, it is inverted and ends all movement. If the attack has not effect, the unit may resume its normal movement. An opportunity fire attack is resolved like a direct fire attack.
a. The WEC sections dealing with direct fire attacks are used to calculate the effective attacking strengths.
b. The attack strengths are totaled to calculate combat odds. If two or more units in the same hex overrun simultaneously the attacker may choose which unit(s) to attack; otherwise, he may attack only the moving unit. Defense strengths are totaled, with bonuses for fortifications and towns.
c. The die roll is modified appropriately for each defending unit. Being dispersed affects the die roll, and all  terrain and neutral counter modifiers affect the die roll (hull down shielding does affect the die roll).
d. Combat is resolved and the results are applied immediately. Eliminated units are removed and dispersed units are dispersed where they sit and may not finish their movement.

...and if the moving unit remains undispersed and uneliminated it may continue its movement.
  Recording   Units that fire in the enemy movement phase are not inverted. Instead, place “Opportunity Fire” counters on top of these units signifying that they may not fire or move in the next friendly player segment. The counters are removed at the end of the next player segment. As soon as the attack is resolved all of the attack units are inverted.    
  Towns and woods   Movement points expended by the enemy unit moving into forest and town hexes that are in the firing unit’s LOS do not count unless the target is spotted by a friendly unit as it does so. See above "...even if the moving unit is in a woods or town hex."    
  Limitation   Each firing unit may attack only once per enemy movement phase. A unit that expends less than one fourth of its movement allowance in enemy LOS/LOF is never activated and cannot be attacked.    
  Allowance     A unit can be seen and activated even while outside of the attacker's range, since LOS/LOF extends beyond a unit's range.    
  Spotting When a defender is in a woods or a town hex, he may not be fired upon by units which are not directly adjacent to him unless he has been “spotted.” When a defending enemy unit is in a woods or town hex, it may not be fired upon by friendly units which are not directly adjacent unless it has been “spotted” by at least one friendly unit. Units in a woods or town hex cannot be attacked unless they are "spotted". A unit in a town or woods hex is spotted if: a. It is under a "spotted" counter or  b. It is adjacent to an undispersed enemy unit.

A unit in a clear terrain hex or a slope hex is spotted if it is in the LOS/LOF of an undispersed enemy unit.

Q: Can you explain “spotting” more?
A: There are four things to keep in mind:
First, since firing occurs prior to movement, a spotting unit must be in place at the beginning of the turn.
Second, even after a unit is spotted, the firing unit must still have a clear line-of-fire to the target (unless the optional Indirect Fire rule is being used).
Third, if the spotting unit moves away, the fire may no longer be directed at units that were previously spotted.
Fourth, if you are using the Indirect Fire rule, the cp unit must be able to see the spotting unit.
  Spotted To “spot” a unit in a town or woods hex, the attacker must have a friendly unit directly adjacent to the defender. Defending units are spotted:
If there is a friendly, undispersed, unit adjacent to the defending enemy unit.
If the defending unit has fired (used its attack strength in a non-CAT attack) while in the LOS of a friendly undispersed unit during the previous player segment and that friendly unit can still trace an unobstructed LOS to the target.
A "spotted" counter is placed on a unit if the unit meets the following conditions:

a. The counter must be inverted at the end of the movement phase.

b. The counter must be in a town or woods hex.

c. The counter must be in the LOS/LOF of an undispersed enemy unit.

Q: If a unit is fired upon from a woods hex or a town hex, can it return fire without meeting the spotting rule conditions?
A: No, it cannot. It can however in Panzer Leader.  
  Recording   Place a “spotted” marker on those enemy units that fire while in the LOS of friendly undispersed units as such firing occurs. The markers remain until the enemy units are no longer in friendly LOS or all friendly spotting units are subsequently dispersed, of the firing unit moves out of its initial firing hex into an unspotted town or woods hex. A unit that is moving is automatically spotted when it is in the LOS/LOF of an undispersed enemy unit, even if the moving unit is in a woods or town hex. To indicate this, a "Spotted" counter is placed on each [such] unit from the time that unit starts moving until it finishes moving.

"Spotted" counters are placed on a player's counters at the end of that player's movement phase.

"Spotted" counters are removed from a player's units at the beginning of that player's fire phase, or anytime that those units are not in the LOS/LOF of an undispersed enemy unit.

  Limitation Dispersed units may not be used for spotting. Spotting units must be undispersed at the time that they “direct” fire.

Friendly units that are dispersed by [enemy] fire cannot be used to fulfill the [spotting] requirement ... the spotting unit cannot have been dispersed since the target unit fired.

Truck and wagon units may not spot for any type of fire.

Trucks may not spot, and units loaded in trucks may not spot.   Q: Can trucks and wagons spot?
A: Yes, unlike Panzer Leader where they cannot spot.  
  Allowance The unit doing the spotting does not necessarily have to be involved in the attack upon the spotted unit.

The same unit may spot any number of adjacent enemy units.



Shaun Appleby
Revised: March 28, 2013
1 PanzerBlitz: Rules of Play, Avalon Hill Company, Baltimore, Maryland, 1970.
2 Panzer Leader: Rules of Play, Avalon Hill Company, Baltimore, Maryland, 1976.
2 The Arab-Israeli Wars: Rules of Play, Avalon Hill Company, Baltimore, Maryland, 1977.
4 "...all questions and clarifications in this article will be answered and defined solely by the letter and intent of the PanzerBlitz rules."
     PanzerBlitz Clarification and Answer Box, Arnold R Arvold, The Imaginative Strategist.

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