Term: Classic Attribute Score Numbering

Classic

  In older games, classic attribute scores used a different numbering system, that would ultimate give you a score and a modifier. This system harkens back to the days of Chainmail, and was adapted and refinded mechanically by Dave Arneson, one of the co-creators of D&D.   Classic scores started at 10 as the Average, and would have numbers added or subtracted accordingly. To find the modifier from the score, one would have to take that same number and  
  • 1. Subtract 10
  • 2. Divide the result by 2
  • Then 3. Round down
  As an example, A classic score of 18 and 19 would both equal a +4. A 17 would be a +3. Etc.   Needless to say, CHASE simple use the modifiers only. The chart below will help compare the two.  
Classic Score # C.H.A.S.E. Attribute # / Classic Score Modifier
0 -6 and below
1 -5
2-3 -4
4-5 -3
6-7 -2
8-0 -1
10-11   Average Person 0   Average Person
12-13 +1
14-15 +2
16-17 +3
18-19 +4
20-21   Super Human / Peak Human +5   Super Human / Peak Human
22-23 +6
24-25 +7
26-27 +8
28-29 +9
30-31   Peak of even the most creatures +10  
32-33 +11   Peak of even the most creatures
34-35 +12
36-37 +13
38-39 +14
40+   Near Divine, hard cap +15-19   Near Divine
+20   Hard cap without Divine aid.

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