Re: DSII damage chit chart.
From: "Phillip E. Pournelle" <pepourne@n...>
Date: Tue, 17 Feb 1998 12:49:03 -0800
Subject: Re: DSII damage chit chart.
At 12:41 PM 2/17/1998 -0700, Seidl wrote:
>On Tue, 17 Feb 1998 11:03:46 -0800, "George,Eugene M" writes:
>>For my $, I was willing to take a ding on skewing the probabilities
>>moving from the chit-draw to a d% based system, as long as all the
>>players in the game are using the same system I feel that there is
>>little lost. I am certainly unwilling to develop a system that takes
>>into account the probabilities of consecutive chit draws, that is
>>unecessary IMO. If anyone is willing to post the probability tables
I'd
>>look at 'em though.
>
>There is NO "taking account of the probabilities of consecutive chit
draws"!
>
>Just reroll any set of dice equal to a previous set till they are all
>unique numbers. This will give the same distribution as drawing chits.
>
>
>Lets do a simple example, 10 chits (all different) draw 2.
>
>If we actually draw the chits, we have a 1/10th chance of each chit on
>the first draw, and a 1/9th chance of each remaining chit on the
>second draw.
>
>If we roll a 10 sides die, we have a 1/10th chance of each number of
>the first roll. On the second roll we have a 1/10th chance of each
>number again, but 1 out of 10 throws results in a re-roll (i.e. we
>rolled the same number as the first roll). So the probability of
>getting any remaining number on the second roll is 0.1 + 0.01 + 0.001
>+ 0.0001 etc (up to a infinite number of re-rolls) = 0.111111111 ==
>1/9th.
>
>If you roll the first result, roll the second chit, just re-rolling
>any time you get the same number as a previous result, you should get
>the exact same distribution as drawing chits.
The fact is that we don't want this effect. We want a straight
draw, that
is why I use the percentage charts.
Gort, Klaatu barada nikto!