composer99
Posts: 2923
Joined: 6/6/2005 From: Ottawa, Canada Status: offline
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quote:
ORIGINAL: Courtenay What exactly is the rule for fractional odds if the odds are less than 1:1 and one is using fractional odds and the 2d10 table? MWiF is using a different interpretation of the rules than I do, but I am not at all sure that MWiF is wrong; I just reread the rules, and they are ambiguous. The fractional odds rule reads: quote:
Option 41: (Fractional odds) Round to a whole number in favor of the defender, then work out how far to the next odds ratio you are. Round this in favor of the defender to the next 10%. Roll a die just before rolling the combat die (you could roll it with the combat die if you want), to see if you find the result on the lower odds or the higher odds. If you roll the percentage or less, you resolve it on the next higher odds, otherwise on the lower odds. The 2d10 table rules state:quote:
Section 11.16.6. 2D10 Odds Modifier When playing with Fractional Odds (see Section 11.6.5), for odds of 1:1 and higher, the odds modifiers are considered linear (e.g., 3.65:1 gives you 7.3 die roll modifiers, while 3.64:1 gives you 7.2). I have always interpreted this to mean that if one has odds of less than 1:1, one does not use fractional odds. However, that is not what the rule says -- it says what to do if the odds are >= 1:1, not what to do if the odds are less. MWiF is giving some fractional odds to attacks at less than 1:1. For all I know, this is correct. Equally, it might be incorrect. Does anyone know for sure? It is not in the WiFFE FAQ. (For that matter, what is the rule if using the 1d10 table?) I can't see why you wouldn't implement fractional odds when attacking at odds ratios of less than 1:1. For the 1d10 table, the rule can be implemented exactly as written (with the benefit that the computer works out 'how far to the next odds ratio you are'). The difference, at least for the 2d10 table, is that odds ratios of 1:1 or better translate precisely into die roll modifiers, where each increase in the odds ratio is an additional +2 DRM (and each fractional increase in the odds ratio a fractional increase in the DRM). But at lower odds ratios, the decimal version of the ratio is always a number between 0 and 1, while the die roll modifiers range from negative to +1 (a 1:1 ratio gives a +2 die roll modifier), so it's not a linear relationship anymore. So instead of translating the odds ratios directly into die roll modifiers, like you can do for >= 1:1 odds, you have to work it out the way the rule does for the 1d10 table.
< Message edited by composer99 -- 8/28/2014 10:19:19 PM >
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