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Revised Idea for Performance Grading

Posted By: Rick Janowski
Date: Saturday, 4 October 2014, at 5:37 a.m.

In Response To: Suggested Idea for Performance Grading (Rick Janowski)

Thank you for all the great feedback and new perspectives.

Out of interest I averaged out the 4 proposals for the 5 levels proposed getting the sequence, 5.9, 5.1, 4.4, 3.75, 3.1.

It then occurred to me that the pr difference between levels should generally reduce as the pr gets lower. Using a ratio of about 0.87 gives the following sequence: 6.1, 5.3, 4.6, 4, 3.5, 3.0.

I accept the points made by Mislav and Tim that following too closely the chess grades could lead to perceived incongruity. I think it might be better to have three master grades, M1, M2 and M3 and have three Grandmaster grades, GM1, GM2, GM3, with the following limiting prs:

M1: 6.00 to 5.29

M2: 5.30 to 4.59

M3: 4.60 to 3.99

G1: 4.00 to 3.49

G2: 3.50 to 3.01

G3: 3.00 and lower

Note that Jason Pack’s proposed sequence tallies best with this sequence. This also tallies with the Mochy 4.0 Club target which effectively caters for the Grand Master grades.

This is my revised proposal.

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