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Event: Online League Division 2 (Spring 2021)

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Opponent Rating Result
Martin L Loat 1633 1 - 0
Jack Sheard 1826 0 - 1
George Masefield 0 ½ - ½
David JR Walker 1282 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1285 = (4741 + 400 * (2 - 1)) / 4)

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