rkr1958
Posts: 23483
Joined: 5/21/2009 Status: offline
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quote:
ORIGINAL: cfinch Just to check my understanding please, from this post: 1/21/2017 1:02:13 AM Odds of 12:13 are 5/6 of the way from 12:18 (2:3 = +1) and 12:12 (1:1 = +2), so the modifier is 1 + 5/6 = +1.8333 Then +5 for disorganized defenders and +0.5 for ARM div in a blitz Total is +7.333 ============================= you checked how far 12 was from 12:12 but not how far odds were from 1:1 which is 13:13! Also, I think you need to check to what % you have progressed from the lower to higher odds ratios (using half ratios = +1 e.g. 3:1 = +6 and 3.5:1 = +7) For Odds < 1:1 (over 1:1 you can double attack factors and divide by defense factors to get base +DRM) I believe it is correct to calculate as follows: multiply both attack and defense factors to make calc easier - 12:13 = 36:39 What odds are we "above" 2:3 = 26:39 need 13 to get from 2:3 to 1:1. We have 10 more than 26, so 10 / 13 = 0.769 So DRM = +1 for 3:2 and 0.769 for fractional (shown normally as 1.769) - correct? If this is correct then some other calcs until we get <3:2 are 12:13 36:39 (36-26 = 10 of 13 steps to 39 , 10/13 = 0.769 11:13 33:39 (33-26 = 7 of 13 steps to 39 , 7/13 = 0.538 10:13 30:39 (30-26 = 4 of 13 steps to 39 , 4/13 = 0.307 9:13 27:39 (27-26 = 1 of 13 steps to 39 , 1/13 = 0.077 all are +1 with fractional as above until we reach 8:13 48:78 < 2:3 (52:78) - recalc what are we higher than, 1:2 = 39:78 distance from 1:2 (39) to 2:3 (52) is 13 we have 48 so we are 9 over 39 9/13 = 0.692 So DRM = +0 for 1:2 and 0.692 for fractional 8:13 48:78 (48-39 = 9 of 13 steps to 39 , 9/13 = 0.692 7:13 42:78 (42-39 = 3 of 13 steps to 39 , 3/13 = 0.231
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Ronnie
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