success odds for differing rolls

probability roll+stat diff > threshold

1d6

1d10

3d6

1d8

1d12

3d8

1d10

1d20

stat diff

vs 1d6

Vs 5

Vs 10

Vs 1d8

Vs 6

Vs 13

vs 1d10

Vs 10

-11

0.00

-10

0.002

0.00

-9

0.008

0.00

0.05

-8

0.000

0.020

0.01

0.10

-7

0.005

0.00

0.039

0.03

0.15

-6

0.019

0.02

0.00

0.068

0.06

0.20

-5

0.00

0.00

0.046

0.05

0.08

0.109

0.10

0.25

-4

0.03

0.10

0.093

0.09

0.17

0.164

0.15

0.30

-3

0.08

0.20

0.162

0.16

0.25

0.234

0.21

0.35

-2

0.17

0.30

0.259

0.23

0.33

0.316

0.28

0.40

-1

0.28

0.40

0.375

0.33

0.42

0.406

0.36

0.45

0

0.42

0.50

0.500

0.44

0.50

0.500

0.45

0.50

1

0.58

0.60

0.625

0.56

0.58

0.594

0.55

0.55

2

0.72

0.70

0.741

0.67

0.67

0.684

0.64

0.60

3

0.83

0.80

0.838

0.77

0.75

0.766

0.72

0.65

4

0.92

0.90

0.907

0.84

0.83

0.836

0.79

0.70

5

0.97

1.00

0.954

0.91

0.92

0.891

0.85

0.75

6

1.00

0.981

0.95

1.00

0.932

0.90

0.80

7

0.995

0.98

0.961

0.94

0.85

8

1.000

1.00

0.980

0.97

0.90

9

0.992

0.99

0.95

10

0.998

1.00

1.00

11

1.00

2d6

1d10

3d6

2d8

1d12

3d8

2d10

1d20

Std-dev

2.42

2.87

2.96

3.24

3.45

3.97

4.06

5.77

http://www.splitreflection.com/~cal/RP/D10/diceoptions.gif

D10/DiceOptions (last edited 2008-08-27 01:03:13 by cal)