From: Sunderland, UK
If Matrix wants to fix the land combat model, they'll need to do something like the following:
Rate units for morale/combat skill (quality) in addition to firepower. I usually use a scale of 0-6 for quality. A difference in 1 in quality is about the same as a shift of 1.5x in firepower ratio. The effects are different, though. Firepower ratio predicts ground gained and long-term casualties, while quality also predicts the chance for a local defensive collapse and disruption (short-term casualties) in addition to the nominal shift in firepower ratio.
To double the defensive casualties per attacker casualty, you need a firepower shift of about 6x. A hasty defence produces a firepower shift of about 2x, a prepared defence 3x, a fortified defence 4x or more, city, 4x, light forest, 1.5x, medium forest, 2.5x, heavy forest, 4x, hills, 2x, mountains, 4x, out of support, 0.5x, armoured in open terrain, 2x, combined arms armoured in rolling terrain, 2x, armoured in support of infantry in close terrain, 1.5x. Antitank negates the armoured shifts. Fortifications slow the advance.
A modified firepower ratio of 5-1 allows the attacking force to retreat the defence out of the way and penetrate.
A defence with significantly higher tactical mobility than the attackers can conduct a delay or mobile defence essentially forever as long as attrition is reasonable. Enough defensive troops to screen the front and provide a counterattack force are needed to do this.
Flanking assault halves the firepower shift for being on the defence. Note this only applies if the defending troops are in a hasty position or better. If the defending troops are conducting mobile warfare, their flanks are covered.
The attack can double its effective firepower by organising for a deliberate assault.
An attack off the march halves the effective firepower of the attacking side. Note that a river crossing or assault landing is basically an attack off the march, and a deliberate assault can make up for the firepower reduction due to the water obstacle.
The variation in one-day results at the division level corresponds to a range of firepower modifiers between about 0.5x and 2x.
< Message edited by herwin -- 5/27/2008 5:18:18 PM >
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