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Roer River Battles: Germany Under Siege

AP Series	Panzer Grenadier
Designer	Perryman
Game Type	Expansion
Format	Bound / PDF
Release Date	2009-07
Availability	Out of Print
Scenarios	10
Counters	0
Maps	0

Tour Veterans

Roer River Battles: Germany Under Siege Tour of Duty Ribbon

2012-09-12 beast013
2013-06-21 driddle01
2014-03-11 Poor Yorek

Overall Rating, 50 votes
5 4 3 2 1 3.54
Expansion Rank: 44 of 120

Popularity: Ownership & Activity
Status	Owned by 14%	Played by 5%	AAR'd by 6%	Medaled by 2%
Rank	52nd of 173	67th of 162	40th of 158	26th of 98

Expansion Game Requirements & Playability
10/10	Roer River Battles
8/10	Cassino '44
8/10	Elsenborn Ridge
7/10	Battle of the Bulge
2/10	Road to Berlin
1/10	Iron Curtain

Overall balance chart for Roer River Battles

	Total
Side 1	28
Draw	7
Side 2	13

	Total
Side 1	25
Draw	6
Side 2	13

	Total
Side 1	3
Draw	1
Side 2	0

	Among the headwaters of the Roer River in western Germany, near the Belgian border, seven dams blocked the river's flow. Used for flood control and hydroelectric power, they presented a massive danger to Allied plans. American staff officers believed the Germans could blow them up or simply open their gates to create massive flooding all the way downstream, from the Roer to the Maas River in Holland, and stop the Allied advance in its tracks. To prevent this, the dams would have to be secured - and the newly re-energized German Army would not give up an inch of national territory without a fight.

Among the headwaters of the Roer River in western Germany, near the Belgian border, seven dams blocked the river's flow. Used for flood control and hydroelectric power, they presented a massive danger to Allied plans. American staff officers believed the Germans could blow them up or simply open their gates to create massive flooding all the way downstream, from the Roer to the Maas River in Holland, and stop the Allied advance in its tracks. To prevent this, the dams would have to be secured - and the newly re-energized German Army would not give up an inch of national territory without a fight.

Display Scenario List (10)

Scenario	Plays	AARs	Rating
01. Return to the Donnerberg	5	2	3.6
02. Bad Road to Hastenrath	10	6	3.3
03. Better Than Most	4	2	4
04. Tough Time at Wurselen	4	2	3.6
05. An Outstanding Performance	3	1	3
06. Trouble at Puffendorf	3	1	3
07. Sergeant Jake Lindsey	4	2	3.5
08. Not as Planned	5	3	4.2
09. Grasping at Straws	5	3	3.2
10. A Day Late	5	3	3.8

Display Order of Battle

Germany Order of Battle

Heer
Foot Leader Mechanized Misc Motorized Towed

Heer

Foot

Leader

Mechanized

Misc

Motorized

Towed

United States Order of Battle

Army
Foot Leader Mechanized Motorized Towed

Army

Foot

Leader

Mechanized

Motorized

Towed

Display Relevant AFV Rules

AFV Rules Pertaining to this Game's Order of Battle
Vulnerable to results on the Assault Combat Chart (7.25, 7.63, ACC), and may be attacked by Anti-Tank fire (11.2, DFT). Anti-Tank fire only affects the individual unit fired upon (7.62, 11.0). AFV's are activated by tank leaders (3.2, 3.3, 5.42, 6.8). They may also be activated as part of an initial activating stack, but if activated in this way would need a tank leader in order to carry out combat movement. AFV's do not block Direct Fire (10.1). Full-strength AFV's with "armor efficiency" may make two anti-tank (AT) fire attacks per turn (either in their action segment or during opportunity fire) if they have AT fire values of 0 or more (11.2). Each unit with an AT fire value of 2 or more may fire at targets at a distance of between 100% and 150% of its printed AT range. It does so at half its AT fire value. (11.3) Efficient and non-efficient AFV's may conduct two opportunity fires per turn if using direct fire (7.44, 7.64). Units with both Direct and AT Fire values may use either type of fire in the same turn as their opportunity fire, but not both (7.22, 13.0). Units which can take opportunity fire twice per turn do not have to target the same unit both times (13.0). Demoralized AFV's are not required to flee from units that do not have AT fire values (14.3). Place a Wreck marker when an AFV is eliminated in a bridge or town hex (16.3). AFV's do not benefit from Entrenchments (16.42). AFV's may Dig In (16.2). Open-top AFV's: Immune to M, M1 and M2 results on Direct and Bombardment Fire Tables, but DO take step losses from X and #X results (7.25, 7.41, 7.61, BT, DFT). If a "2X" or "3X" result is rolled, at least one of the step losses must be taken by an open-top AFV if present. Closed-top AFV's: Immune to M, M1 and M2 results on Direct and Bombardment Fire Tables. Do not take step losses from Direct or Bombardment Fire. If X or #X result on Fire Table, make M morale check instead (7.25, 7.41, 7.61, BT, DFT). Closed-top AFV's: Provide the +1 modifier on the Assault Table when combined with infantry. (Modifier only applies to Germans in all scenarios; Soviet Guards in scenarios taking place after 1942; Polish, US and Commonwealth in scenarios taking place after 1943.) (ACC) Tank: all are closed-top and provide the +1 Assault bonus, when applicable Assault Gun: if closed-top, provide the +1 Assault bonus, when applicable Tank Destroyer: do not provide the +1 Assault bonus, even if closed-top (SB) Self-Propelled Artillery: do not provide the +1 Assault bonus, even if closed-top (SB) Anti-Aircraft Weapon Carrier: apply a -1 modifier to an air attack if within three hexes of the targeted hex (15.14). APC – Armored Personnel Carrier: These are Combat Units, but stack like Transports. They can transport personnel units or towed units. They are not counted as combat units for the +1 stacking modifier on the Direct Fire and Bombardment Tables (4.4). They may be activated by regular leaders and tank leaders (1.2, 3.34, 4.3, 5.43). They do not provide the +1 Assault bonus (ACC). Armored Cars: These are Combat Units. They are motorized instead of mechanized. All have their own armored car leaders, who can only activate armored cars (6.85). Do not provide the +1 Assault bonus (ACC). Reconnaissance Vehicle: 8.23 Special Spotting Powers Both foot and vehicle mounted recce units (1.2) possess two special spotting abilities. The first ability is that they can spot enemy in limiting terrain at one hex further than the TEC specifies for other units and leaders. For example, an enemy unit in town can normally be spotted at three hexes or less, but a recce unit can spot them at four hexes.Their second ability is that they can place a Spotted marker on any one enemy unit they can spot per turn, just as if the enemy unit had "blown its cover" by firing. Such Spotted markers are removed as described earlier. Prime Movers: Transports which only transport towed units and/or leaders (May not carry personnel units). May or may not be armored (armored models are open-top). All are mechanized. (SB)

AFV Rules Pertaining to this Game's Order of Battle

Vulnerable to results on the Assault Combat Chart (7.25, 7.63, ACC), and may be attacked by Anti-Tank fire (11.2, DFT). Anti-Tank fire only affects the individual unit fired upon (7.62, 11.0).
AFV's are activated by tank leaders (3.2, 3.3, 5.42, 6.8). They may also be activated as part of an initial activating stack, but if activated in this way would need a tank leader in order to carry out combat movement.
AFV's do not block Direct Fire (10.1).
Full-strength AFV's with "armor efficiency" may make two anti-tank (AT) fire attacks per turn (either in their action segment or during opportunity fire) if they have AT fire values of 0 or more (11.2).
Each unit with an AT fire value of 2 or more may fire at targets at a distance of between 100% and 150% of its printed AT range. It does so at half its AT fire value. (11.3)
Efficient and non-efficient AFV's may conduct two opportunity fires per turn if using direct fire (7.44, 7.64). Units with both Direct and AT Fire values may use either type of fire in the same turn as their opportunity fire, but not both (7.22, 13.0). Units which can take opportunity fire twice per turn do not have to target the same unit both times (13.0).
Demoralized AFV's are not required to flee from units that do not have AT fire values (14.3).
Place a Wreck marker when an AFV is eliminated in a bridge or town hex (16.3).
AFV's do not benefit from Entrenchments (16.42).
AFV's may Dig In (16.2).
Open-top AFV's: Immune to M, M1 and M2 results on Direct and Bombardment Fire Tables, but DO take step losses from X and #X results (7.25, 7.41, 7.61, BT, DFT). If a "2X" or "3X" result is rolled, at least one of the step losses must be taken by an open-top AFV if present.
Closed-top AFV's: Immune to M, M1 and M2 results on Direct and Bombardment Fire Tables. Do not take step losses from Direct or Bombardment Fire. If X or #X result on Fire Table, make M morale check instead (7.25, 7.41, 7.61, BT, DFT).
Closed-top AFV's: Provide the +1 modifier on the Assault Table when combined with infantry. (Modifier only applies to Germans in all scenarios; Soviet Guards in scenarios taking place after 1942; Polish, US and Commonwealth in scenarios taking place after 1943.) (ACC)
Tank: all are closed-top and provide the +1 Assault bonus, when applicable
Assault Gun: if closed-top, provide the +1 Assault bonus, when applicable
Tank Destroyer: do not provide the +1 Assault bonus, even if closed-top (SB)
Self-Propelled Artillery: do not provide the +1 Assault bonus, even if closed-top (SB)
Anti-Aircraft Weapon Carrier: apply a -1 modifier to an air attack if within three hexes of the targeted hex (15.14).
APC – Armored Personnel Carrier: These are Combat Units, but stack like Transports. They can transport personnel units or towed units. They are not counted as combat units for the +1 stacking modifier on the Direct Fire and Bombardment Tables (4.4). They may be activated by regular leaders and tank leaders (1.2, 3.34, 4.3, 5.43). They do not provide the +1 Assault bonus (ACC).
Armored Cars: These are Combat Units. They are motorized instead of mechanized. All have their own armored car leaders, who can only activate armored cars (6.85). Do not provide the +1 Assault bonus (ACC).
Reconnaissance Vehicle: 8.23 Special Spotting Powers Both foot and vehicle mounted recce units (1.2) possess two special spotting abilities. The first ability is that they can spot enemy in limiting terrain at one hex further than the TEC specifies for other units and leaders. For example, an enemy unit in town can normally be spotted at three hexes or less, but a recce unit can spot them at four hexes.Their second ability is that they can place a Spotted marker on any one enemy unit they can spot per turn, just as if the enemy unit had "blown its cover" by firing. Such Spotted markers are removed as described earlier.
Prime Movers: Transports which only transport towed units and/or leaders (May not carry personnel units). May or may not be armored (armored models are open-top). All are mechanized. (SB)

Display Errata (8)

8 Errata Items
	The reduced direct fire value of the Heer HMG became 5-5 starting with Fall of France. (plloyd1010 on 2015 Jul 31)
	All SS PzIVH tanks should have a movement of 8. (Shad on 2010 Dec 15)
	The morale and combat modifiers of German Sergeant #1614 should be "0", not "8". (Shad on 2010 Dec 15)
	All SPW 251s have an armor value of 0. (Shad on 2010 Dec 15)
	Strongpoints are single step units and can be eliminated with X results like any other single step unit. (Shad on 2010 Dec 15)
	The standard mix of strongpoints may be downloaded from Avalanche Press: http://www.avalanchepress.com/German_Strongpoints.php This is the standard mix found in Airborne, Airborne-IE, and Edelweiss Expanded. The strongpoint mix in Cassino '44 is different from that of other PG games. (plloyd1010 on 2012 Feb 01)
	Strongpoints are affected by the terrain in their hex just like any other unit. Even though they can't move, they can attack using Assault Combat if an enemy unit moves into their hex. They may not dig in or benefit from entrenchments. (rerathbun on 2014 Apr 21)
	The movement allowance on the counters in Airborne is misprinted. It should be "3." (rerathbun on 2012 Jan 30)

Display Nations (2)

Nations at War - Scenario Appearance Percentages
Germany	100%	Germany
United States	100%	United States

Display Battle Types (5)

Battle Types - Scenario Appearance Percentages
Urban Assault	60%	Urban Assault
Rural Assault	30%	Rural Assault
Inflict Enemy Casualties	20%	Inflict Enemy Casualties
Surprise Attack	10%	Surprise Attack
Road Control	10%	Road Control

Display Conditions (7)

Conditions - Scenario Appearance Percentages
Off-board Artillery	100%	Off-board Artillery
Terrain Mods	70%	Terrain Mods
Entrenchments	60%	Entrenchments
Reinforcements	20%	Reinforcements
Minefields	10%	Minefields
Randomly-drawn Aircraft	10%	Randomly-drawn Aircraft
Severe Weather	10%	Severe Weather

Road to Dunkirk

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