Defense bonus chart.mp2

This chart shows defense bonuses for the MP2 ruleset. It can be a frequently used reference.  

*Standard bonuses shown for Forts/Fortresses do not apply to all units. Please see Bases for details. 

Defense Bonus Chart

= fortified unit OR city without walls

Terrain	Natural Defense		Fort or  River		Fort and River		Fortress		Fortress and River
		1.5	1.33	2	1.75	2.62	2	3	2.66	4
Grassland	1×	1.5×	1.33×	2×	1.75×	2.62×	2×	3×	2.66×	4×
Plains	1×	1.5×	1.33×	2×	1.75×	2.62×	2×	3×	2.66×	4×
Desert	1×	1.5×	1.33×	2×	1.75×	2.62×	2×	3×	2.66×	4×
Tundra	1×	1.5×	1.33×	2×	1.75×	2.62×	2×	3×	2.66×	4×
Arctic	1×	1.5×	1.33×	2×	1.75×	2.62×	2×	3×	2.66×	4×
Forest	1.33×	2×	1.75×	2.62×	2.33×	3.5×	2.66×	4×	3.5×	5.25×
Swamp	1.33×	2×	1.75×	2.62×	2.33×	3.5×	2.66×	4×	3.5×	5.25×
Jungle	1.5×	2.25×	2×	3×	2.66×	4×	3×	4.5×	4×	6×
Hills	2×	3×	2.66×	4×	3.5×	5.25×	4×	6×	5.33×	8×
Mountains	3×	4.5×	4×	6×	5.33×	8×	6×	9×	8×	12×

Conversion Table for 1.67x in a Fortress

• Fortress gives 1.67x instead of 2x against Air, Armor, Helicopter.
• In this case, you can convert the number from above:

2x Fortress	1.67× Fortress
2×	1.67×
2.66×	2.22×
3×	2.5×
3.5×	2.92×
4×	3.33×
4.5×	3.75×
5.25×	4.38×
5.33×	4.45×
6×	5×
8×	6.67×
9×	7.5×
12×	10×

^{Numbers in above charts are accurate to within 0.02}