Event: Division 5

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Opponent	Rating	Result
Darius Kvitnickas	407	1 - 0
Geoffrey A Foxon	1485	1 - 0
Simon C Sellick	1570	1 - 0
Alan G Bice	1591	1 - 0
Joshua Coates	407	1 - 0
Ashton Grimmett	1603	1 - 0
David Brown	407	1 - 0
James Barter	407	1 - 0

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

1385 = (7877 + 400 * (8 - 0)) / 8)