Event: Division 3

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Opponent	Rating	Result
Keith W Roper	1710	0 - 1
Chris Budd	1693	0 - 1
Ray M Sayer	1468	½ - ½
Benjamin Humphreys	1588	0 - 1
Eddie Jones	1290	1 - 0
Jim Wellington	1543	1 - 0
Paul D Rees	1565	0 - 1
Nikolai Harrison	1448	0 - 1
Eddie Jones	1290	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1422 = (13595 + 400 * (3 - 5)) / 9)