Stats, Calculations and you!

Strength - Damage, pure and simple
Agility - Dodge based on this
Quickness - Block based on this
Endurance - Your recovery or breath and health based on this
Skill - Submissions based on this
Charisma - Momentum based on this

10% chance to block if stats are even (block formula: 10 + ($attacker->quickness - $defender->quickness) )%
10% chance to dodge if stats are even (dodge formula: 10 + ($attacker->agility - $defender->agility) )%

5% chance to bleed if stats are even and move does 20 dam or more (bleed forumla: 5)%

50% chance to keep a submission hold if stats are even (Hold forumla: 50 + ($attacker->skill - $defender->skill) )%
5% chance to injure if stats are even and hold does 10 dam or more (Injury formula: 5)%
health*5 or breath%*5 chance to tap if stats are even (Tap formula: $defender->currenthealth or $defender->currentstamina (whichever is lower)*5 )%

health+breath% chance to kick out of each count of a pin if stats are even. (Kickout forumla: $defender->currenthealth + $defender->currentstamina)%