| Condition
| Reduce Move by
|
| Heavy brush or thicket
| 2/3
|
| Light brush or forest
| 1/3
|
| Ice or slippery footing
| 1/3
|
| Steep slope or rough ground
| 1/2
|
| Knee-deep snow, water, or soft sand
| 1/3
|
| Waist-deep snow or water
| 1/2
|
| Shoulder-deep snow or water
| 2/3
|