Event: Online League Division 2 (Spring 2021)

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Opponent	Rating	Result
Seyon Rajeev-Lazar	1420	0 - 1
Abu Hasan	1371	0 - 1
Alexander Horwood	1000	1 - 0
Kamaljit Sood	1078	1 - 0
Neville T Rowden	1251	1 - 0
Ashley R Anderson	0	1 - 0
Anthony Pearshouse	1499	0 - 1

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

1146 = (7619 + 400 * (4 - 3)) / 7)