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2010 Aug 23 9:58 AM

Abilities for general task resolution (2 of 2)

Yesterday, I wrote about a mechanic I found in the Ready Ref Sheets for resolving extraordinary character actions. If, instead of using the uniform distribution of a d100, you use bell curve probabilities by adding d6’s, you can tune the odds without resorting to +/- bonuses. Higher ability scores are relatively more helpful with this method, and you can use the mechanic to resolve both ordinary and extraordinary actions.

9 12 15 18
2d6 83.3% 100% 100% 100%
3d6 37.5% 74.1% 95.4% 100%
4d6 9.7% 33.6% 66.4% 90.3%
5d6 1.6% 9.8% 30.5% 60%
6d6 0.18% 2% 9.7% 27.9%
7d6 0.01% 0.3% 2.2% 9.4%
8d6 0% 0.03% 0.38% 2.4%

A fighter with a 15 strength wants to roll back a large boulder. The referee decides that it’s a quite difficult task, so the player must roll under his strength using 6d6. However, if the character spends a turn digging dirt from under one side of the boulder, the referee can let him roll 5d6 for his next attempt.

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