Combat Maneuvers

Combat Maneuvers are abilities that can be used in fights to weaken or move enemies and they also may allow for Attacks of Opportunity.

Combat Maneuvers are obtained by choosing them as Feats. All Combat Maneuver Feats require either the Power Attack Feat and a minimum Strength of 13 or the Combat Expertise Feat and a minimum Intelligence of 13.

Use
A combat maneuver is successful when a d20 plus the attacker's Combat Maneuver Bonus meets or exceeds the targets Combat Maneuver Defense.

Combat Maneuver Bonus
 The chance of a successful Combat Maneuver is based on the attacker's Combat Maneuver Bonus or CMB.

The Feat Agile Maneuvers allows use of the Dexterity Modifier instead of Strength, though creatures that are size Tiny or smaller do not need the feat.

Combat Maneuver Defense
 Defense against Combat Maneuvers, or CMD, depends mainly on Strength and Dexterity.

Size Modifier
The special size modifier for both defense and attack are as follows:
 * Colossal +8
 * Gargantuan +4
 * Huge +2
 * Large +1
 * Medium +0
 * Small -1
 * Tiny -2
 * Diminutive -4
 * Fine -8

Feats That Influence Combat Maneuvers
Defensive Feats:
 * Coordinated Defense
 * Defensive Combat Training

Offensive Feats:
 * Coordinated Maneuvers
 * Tandem Trip (only Trip)
 * Fury's Fall (only Trip)
 * Agile Maneuvers (if your Dexterity Modifier is higher than your Strength Modifier)
 * Pummeling Bully (only Trip and only obtainable by Monks)
 * Power Attack
 * Great Cleave
 * Cleaving Finish

List of Combat Maneuvers

 * BAB