It’s a blog post! 
More than a few OSR and NSR games rely on a roll-under-attribute system to determine the success or failure of actions under pressure. This approach has the benefit of being simple-- no skills to choose or track-- and it uses the full attribute scores, not just the modifiers. The downside is that it couples a core mechanic to what ultimately are a set of random numbers rolled at character generation. Here is a quick and dirty way to mitigate this mechanic…