Event: League Championship

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Opponent Rating Result
Martyn J Harris 168 0 - 1
Phillip T Seery 163 ½ - ½
Ben Turner 107 1 - 0
Thomas Hughes 92 0 - 1
Nicholas T Evans 176 0 - 1
John D Lyth 181 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

15 = (887 + 400 * (1 - 3)) / 6)

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Opponent Rating Result
Jonathan Verden 88 1 - 0
John A Metcalfe 77 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

483 = (165 + 400 * (2 - 0)) / 2)