wiki:advantage probabilities
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wiki:advantage probabilities [2017/02/05 18:35] caleymccready |
wiki:advantage probabilities [2017/03/21 21:13] (current) caleymccready |
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| ====== Advantage probabilities ====== | ====== Advantage probabilities ====== | ||
| + | ~~NOTOC~~ | ||
| \\ | \\ | ||
| There are two types of [[combat#advantage]] | There are two types of [[combat#advantage]] | ||
| - | * For hit rolls and saving throws, you roll twice and take the higher result for advantage, or the lower result for disadvantage | + | * For hit rolls and ability checks, you roll twice and take the higher result for advantage, or the lower result for disadvantage |
| * For skill rolls, you roll an additional 3d6 for advantage, or you remove 3d6 for disadvantage | * For skill rolls, you roll an additional 3d6 for advantage, or you remove 3d6 for disadvantage | ||
| - | + | \\ | |
| - | ==== Hit rolls and saving throws ==== | + | ==== Hit rolls ==== |
| The following table shows the expected value when rolling a hit roll at disadvantage, normally, and at advantage | The following table shows the expected value when rolling a hit roll at disadvantage, normally, and at advantage | ||
| ^Dice Rolled^Disadvantage^Normal Roll^Advantage^ | ^Dice Rolled^Disadvantage^Normal Roll^Advantage^ | ||
| - | 3d6 1.0 1.5 2.0 | + | |3d6 |1.0 |1.5 |2.0| |
| - | 4d6 1.6 2.0 2.5 | + | |4d6 |1.6 |2.0 |2.5| |
| - | 5d6 1.9 2.5 3.1 | + | |5d6 |1.9 |2.5 |3.1| |
| - | 6d6 2.3 3.0 3.7 | + | |6d6 |2.3 |3.0 |3.7| |
| - | 7d6 2.8 3.5 4.2 | + | |7d6 |2.8 |3.5 |4.2| |
| - | 8d6 3.2 4.0 4.8 | + | |8d6 |3.2 |4.0 |4.8| |
| - | 9d6 3.7 4.5 5.3 | + | |9d6 |3.7 |4.5 |5.3| |
| - | 10d6 4.1 5.0 5.9 | + | |10d6 |4.1 |5.0 |5.9| |
| - | 11d6 4.6 5.5 6.4 | + | |11d6 |4.6 |5.5 |6.4| |
| - | 12d6 5.0 6.0 7.0 | + | |12d6 |5.0 |6.0 |7.0| |
| + | |||
| + | \\ | ||
| + | ==== Ability checks ==== | ||
| + | The following table shows the expected value when rolling an ability check at disadvantage, normally, and at advantage | ||
| + | |||
| + | ^Dice Rolled^Disadvantage^Normal^Advantage^ | ||
| + | |3d6| 8.8| 10.5| 12.2| | ||
| + | |4d6| 12.1| 14.0| 15.9| | ||
| + | |5d6| 15.3| 17.5| 19.7| | ||
| + | |6d6| 18.6| 21.0| 23.4| | ||
| + | |||
| + | \\ | ||
| + | ==== Skill rolls ==== | ||
| + | The expected value of adding 3d6 to a skill roll is roughly 0.5 | ||
| + | |||
| + | |||
wiki/advantage probabilities.1486337741.txt.gz · Last modified: 2017/02/05 18:35 by caleymccready
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