Resolution

1. Take the value of the Attribute
2. Modify with the value of the Skill
3. Modify with any circumstance modifiers assigned but the Guide
4. Modify with the value of a 2d6 - 2d6 dice roll

This results in Degree of Success from -10 to 0 to +10.

A result of 0 to +10 is a Success.

A result of -10 to -1 is not a Success.