Here's a 'visual' dice rolling method I came up with (for BRP) which works on the numbers rolled instead of doing calculations on the fly, which gives accurate probabilities of success for BRP. In practice however, my players were already used to the mathematical method, using 20% as a critical (the Elric! method) or special (as in BRP) so they found it a little harder to adjust, and we didn't really use this system in the end. The critical failure chance relative to your skill is easier to do w
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