Remembering Sir Richard (Otto) Clarke KCB OBE (13-viii-1910 21-vi-1975)

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John Upham
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Remembering Sir Richard (Otto) Clarke KCB OBE (13-viii-1910 21-vi-1975)

Post by John Upham » Mon Jun 21, 2021 10:26 am

Remembering Sir Richard (Otto) Clarke KCB OBE (13-viii-1910 21-vi-1975)

A leading statistician who wrote about grading systems for chess and devised the Clarke Grading System for the British Chess Federation.

Father of Charles Clarke MP


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