This extension calculates and applies encumbrance penalties according to the 2010 edition of Basic Roleplaying. The rules are found on p. 180 and 261 (p. 182 and 263 in the PDF version).

The extension uses the following rules:

• Encumbrance penalty for physical skills: skill penalty per type of armor (if worn), includes all physical skills (including dodge).
• Encumbrance penalty for the dodge skill: ENC - ENC for worn (equipped) armor, i.e. carried armor does count for dodge penalty.
• Encumbrance penalty for perception skills: skill penalty per type of armor (if worn).