Event: Division Two

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Opponent Rating Result
Eric Horwill 1734 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1334 = (1734 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Jonathan P Pincher 1729 0 - 1
Richard F Collett 1401 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1165 = (3130 + 400 * (0 - 2)) / 2)